CN109393798B - Wire control device for adjusting leaning and leaning degree and tightness degree of seat back frame - Google Patents
Wire control device for adjusting leaning and leaning degree and tightness degree of seat back frame Download PDFInfo
- Publication number
- CN109393798B CN109393798B CN201811293290.8A CN201811293290A CN109393798B CN 109393798 B CN109393798 B CN 109393798B CN 201811293290 A CN201811293290 A CN 201811293290A CN 109393798 B CN109393798 B CN 109393798B
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- tightness
- back frame
- adjusting
- tilting
- control device
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000004308 accommodation Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 210000004197 pelvis Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 210000000689 upper leg Anatomy 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
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
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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
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/0248—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by chains, ropes or belts
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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 relates to the field of seats, in particular to a wire control device for adjusting the leaning and the tightness of a back frame of a seat. A wire control device for adjusting the inclination and the tightness of a back frame of a seat comprises a back frame inclination adjusting wire control device and a back frame tightness adjusting wire control device which are arranged in the seat; the back frame tilting adjustment wire control device comprises a back frame connecting tail plate, a tilting adjustment mechanism, a tilting pull rope and a tilting adjustment handle, wherein one end of the tilting pull rope is connected with the tilting adjustment mechanism, and the other end of the tilting pull rope is connected with the tilting adjustment handle; the back frame tightness adjusting wire control device comprises an tightness adjusting control rod, a first tightness stay rope, a second tightness stay rope and a tightness adjusting mechanism. The invention designs a back frame tilting adjustment wire control device and a back frame tightness adjustment wire control device, realizes the seat with the back frame tilting and tightness adjustment through wire control, and can easily adjust the back frame to a comfortable angle through a simple mechanical mechanism.
Description
Technical Field
The invention relates to the field of seats, in particular to a wire control device for adjusting the leaning and the tightness of a back frame of a seat.
Background
Various parts of the body, such as the thigh, pelvis and lower spine, are directly associated and have a kinematic relationship as they move. Thus, when a customer transitions between postures in a sitting position, the load distribution (between the back and pelvis) and the required support (e.g., amount of contour) change, which may be reflected in the user's adjustment of the seat back frame in the sitting position, sometimes requiring a greater back frame tilt angle, sometimes requiring a smaller back frame tilt angle, and sometimes requiring the back frame to conform to the back. In the past, the seat is realized through a relatively complex mechanism and is forward-inclined adjusting function, and the existing wire control products in the market are only partially provided with the wire control function, and the inclination and tightness adjustment of the back frame is never realized.
In addition, the seat with simple structure and adjustable back frame inclination and tightness can be realized through the wire control.
Disclosure of Invention
The technical aim of the invention is realized by the following technical scheme:
a wire control device for adjusting the inclination and the tightness of a back frame of a seat comprises a back frame inclination adjusting wire control device and a back frame tightness adjusting wire control device which are arranged in the seat;
the back frame tilting adjustment wire control device comprises a back frame connecting tail plate, a tilting adjustment mechanism, a tilting pull rope and a tilting adjustment handle, wherein the back frame connecting tail plate is used for connecting a seat with a back frame, the tilting adjustment mechanism can be connected with the back frame connecting tail plate, one end of the tilting pull rope is connected with the tilting adjustment mechanism, and the other end of the tilting pull rope is connected with the tilting adjustment handle;
the back frame tightness adjustment wire control device comprises an tightness adjustment control rod, a first tightness stay rope, a second tightness stay rope and a tightness adjustment mechanism;
one end of the first elastic pull rope is connected with the elastic adjusting control rod, and the other end of the first elastic pull rope is connected with the elastic adjusting mechanism;
one end of the second elastic pull rope is connected with the elastic adjusting control rod, and the other end of the second elastic pull rope is connected with the elastic adjusting mechanism.
The technical scheme has the advantages that:
the back frame leaning and pitching adjusting wire control device is arranged in the seat, the leaning and pitching adjusting handle is pulled to control the leaning and pitching pull rope to be tensioned or loosened, the connection relation between the leaning and pitching adjusting mechanism and the back frame connecting tail plate is changed, the leaning and pitching degree of the back frame connecting tail plate is adjusted under the action of the gravity of a user, the leaning and pitching degree of the whole back frame is adjusted, and the user can easily adjust the back frame to a comfortable angle through a simple mechanical mechanism.
The back frame tightness adjusting wire control device is arranged, the tightness adjusting control rod is rotated, the first tightness pull rope and the second tightness pull rope are wound on the tightness adjusting control rod, the tightness of the first tightness pull rope and the tightness of the second tightness pull rope are changed, meanwhile, the first tightness pull rope and the second tightness pull rope jointly act to drive the tightness adjusting mechanism, the state of the tightness adjusting mechanism is changed, and then the tightness of the back frame is adjusted.
As an optimization of the technical scheme, the tilting adjustment mechanism comprises a buckle fixing piece, a push-pull piece, a fixing plate and a first elastic piece, wherein the buckle fixing piece is connected with the back frame connecting tail plate and can move relative to the back frame connecting tail plate, the push-pull piece penetrates through the buckle fixing piece and can push and pull the buckle fixing piece, the fixing plate is used for fixing the tilting stay rope shell, and the first elastic piece is arranged on the push-pull piece and is used for connecting the buckle fixing piece and the fixing plate;
and part of rope cores of the tilting ropes are connected with the push-pull piece. The tilt stay cord is arranged in the push-pull piece to pull the push-pull piece through a rope core, the push-pull piece is used for pulling the buckle fixing piece to change from a connection state with the back frame connection tail plate to a non-connection state, the tilt angle is adjusted to be in place, the push-pull piece is reset by the elastic force of the first elastic piece after being adjusted, the push-pull piece is used for pushing the buckle fixing piece to reset, and the buckle fixing piece is used for changing from the non-connection state with the back frame connection tail plate to the connection state, so that adjustment is completed.
As the preference of the technical scheme, the push-pull piece comprises a head, a tail end column barrel and a connecting column crossing the buckle fixing piece;
one end of the connecting column is connected with the end head, and the other end of the connecting column is connected with the end tail column cylinder.
As the optimization of the technical scheme, the buckle fixing piece comprises an inserting plate and a connecting plate connected with one end of the inserting plate, and a through hole is formed in the connecting plate;
the connecting column passes through the through hole.
As the preference of this technical scheme, the spliced pole surface is provided with the second elastic component, second elastic component one end with the end is connected, the other end with the connecting plate is connected.
As the preferable choice of the technical scheme, the end tail column casing is provided with a first accommodating cavity;
the end of the rope core is provided with an end fixing piece;
the end fixing piece and part of the rope core penetrate through the end tail column barrel device and are arranged in the first accommodating cavity. The first accommodating cavity is used for providing an accommodating area of the end fixing piece and ensuring connection of the tilting stay rope and the push-pull piece.
As the preferable choice of the technical proposal, the tightness adjusting mechanism comprises a thread rotating component and a tightness component connected with the thread rotating component;
the thread rotating assembly comprises a thread rotating disc connected with the first elastic pull rope and the second elastic pull rope and a lifting piece arranged at the center of the thread rotating disc;
the tightness assembly comprises a cross rod connected with the lifting piece and a tightness adjusting threaded rod connected to the cross rod.
As the preference of this technical scheme, elasticity regulation threaded rod surface cover is put in pressure spring. The elastic adjusting threaded rod is lifted along with the lifting piece, so that the pressure spring sleeved on the outer surface of the elastic adjusting threaded rod is changed, the spring stress angle of the pressure spring is changed, and the tightness of the back frame is adjusted.
As the preference of this technical scheme, the screw thread rolling disc is provided with the internal thread, the lifter with the junction of screw thread rolling disc is provided with corresponding external screw thread.
Preferably, the lifting piece comprises a supporting part with a groove and a threaded rod arranged below the supporting part;
the middle part of the tightness adjusting threaded rod is buckled in the groove of the supporting part and supported by the supporting part.
Drawings
FIG. 1 is a schematic view of a wire control device for adjusting the tilting and tightness of a seat back frame according to the present invention;
FIG. 2 is a schematic diagram showing an internal structure of a wire control device for adjusting the tilting and tightness of a back frame of a seat according to the present invention;
FIG. 3 is a cross-sectional view of a wire control device for adjusting the pitch and tightness of a seat back frame according to the present invention;
FIG. 4 is a detail view at A in FIG. 3;
FIG. 5 is a cross-sectional view of the pitch adjustment mechanism of the present invention;
FIG. 6 is a cross-sectional view of the tilt adjustment mechanism of the present invention in various states;
FIG. 7 is a block diagram of a tilt adjustment handle of the present invention;
FIG. 8 is a detail view at B in FIG. 7;
FIG. 9 is a schematic view of a wire control device for adjusting the tilting and tightness of a seat back frame according to the present invention;
fig. 10 is a schematic view of a threaded rotation assembly of the present invention.
The seat cushion comprises a seat cushion chassis, a 21-upper cover, a 4-seat cushion lifting wire control device, a 5-back frame tilting wire control device, a 51-back frame connecting tail plate, a 52-tilting adjusting mechanism, a 52.1-buckle fixing piece, a 52.11-inserting plate, a 52.12-connecting plate, a 52.2-push-pull piece, a 52.21-end socket, a 52.22-end tail column tube, a 52.23-connecting column, a 52.4-first elastic piece, a 53-tilting pull rope, a 53.1-rope core, a 53.2-end fixing piece, a 54-tilting adjusting handle, a 54.1-pull wire accommodating part, a 54.3-first positioning concave part, a 54.4-second positioning concave part, a 6-back frame tightness adjusting wire control device, a 61-tightness adjusting control rod, a 62-first tightness pull rope, a 63-second tightness pull rope, a 64-adjusting mechanism, a 64.1-threaded rotating assembly, a 64.11-threaded rotating disc, a 64.12-lifting piece 64.2-tightness assembly, a 64.21-64.22-adjusting threaded rod.
Detailed Description
The following specific examples are intended to be illustrative of the invention and are not intended to be limiting, as modifications of the invention will be apparent to those skilled in the art upon reading the specification without inventive contribution thereto, and are intended to be protected by the patent law within the scope of the appended claims.
Example 1
As shown in fig. 1-2, a wire control device for adjusting the tilting and tightness of a back frame of a seat is provided.
A wire control device for adjusting the inclination and the tightness of a back frame of a seat comprises a back frame inclination adjusting wire control device 5 and a back frame tightness adjusting wire control device 6 which are arranged in the seat;
the back frame tilting adjustment wire control device 5 comprises a back frame connection tail plate 51 used for being connected with a back frame, a tilting adjustment mechanism 52 capable of being connected with the back frame connection tail plate 51, a tilting pull rope 53 and a tilting adjustment handle 54, wherein one end of the tilting pull rope 53 is connected with the tilting adjustment mechanism 52, and the other end of the tilting pull rope 53 is connected with the tilting adjustment handle 54.
The back frame tilting adjustment wire control device 1 is arranged in the seat, the tilting adjustment handle 54 is pulled to control the tilting pull rope 53 to be tensioned or loosened, so that the connection relation between the tilting adjustment mechanism 52 and the back frame connection tail plate is changed, the tilting degree of the back frame connection tail plate is adjusted under the action of the gravity of a user, the tilting degree of the whole back frame is adjusted, and the user can easily adjust the back frame to a comfortable angle through a simple mechanical mechanism.
Further, the tilting drive-by-wire handle 54 includes a first positioning recess 54.3 and a second positioning recess 54.4 that can be in bump contact with the upper cover 21 of the seat cushion chassis 2, when the tilting drive-by-wire handle is in a wire pulling state (when the seat angle needs to be adjusted), the second positioning recess 54.4 is connected with the upper cover 21, and the lifting rope is in a force-involved state; the first positioning recess 54.3 is connected to the upper cover 21 when in the loose wire condition (when no adjustment of the seat angle is required).
The tilt adjusting handle 54 is provided with a stay wire accommodating portion 54.1 near the upper cover 21, and an end fixing piece 53.2 capable of accommodating the tilt pull cord 53 in the stay wire accommodating portion 54.1 is used for being connected with the tilt pull cord 53 to control the tilt pull cord 53 when the tilt adjusting handle 54 is pulled up and down.
Further, because the pull rope is utilized to perform the line control, the installation position of the tilting line control handle 54 can be selected according to the requirements of different customer groups, so that the device is more suitable for the use habit of more types of customers, and is convenient for the customers to control the lifting of the seat and is more convenient for operation.
The lifting pull rope penetrates through the through hole of the pull wire limiting block, and a pull rope connecting part is arranged at one end of the lifting pull rope in the direction of penetrating towards the pull wire limiting block.
The back frame tightness adjustment wire control device 6 comprises a tightness adjustment control rod 61, a first tightness pull rope 62, a second tightness pull rope 63 and a tightness adjustment mechanism 64;
one end of the first elastic cord 62 is connected with the elastic adjustment control rod 61, and the other end is connected with the elastic adjustment mechanism 64;
one end of the second elastic cord 63 is connected to the elastic adjustment lever 61, and the other end is connected to the elastic adjustment mechanism 64.
The back frame tightness adjusting wire control device is arranged, the tightness adjusting control rod is rotated, the first tightness pull rope and the second tightness pull rope are wound on the tightness adjusting control rod, the tightness of the first tightness pull rope and the tightness of the second tightness pull rope are changed, meanwhile, the first tightness pull rope and the second tightness pull rope jointly act to drive the tightness adjusting mechanism, the state of the tightness adjusting mechanism is changed, and then the tightness of the back frame is adjusted.
Example 2
As shown in fig. 1 to 8, based on embodiment 1, the difference from embodiment 1 is that:
the tilt adjusting mechanism 52 comprises a buckle fixing piece 52.1 connected with the back frame connecting tail plate 51 and capable of moving relative to the back frame connecting tail plate 51, a push-pull piece 52.2 penetrating through the buckle fixing piece 52.1 and capable of pushing and pulling the buckle fixing piece 52.1, a fixing plate for fixing the outer shell of the tilt pull rope 53, and a first elastic piece 52.4 arranged on the push-pull piece 52.2 and connected with the buckle fixing piece 52.1 and the fixing plate;
part of the rope core 53.1 of the tilt rope 53 is connected to the push-pull member 52.2.
As shown in fig. 6, the tilt stay 53 pulls the push-pull member 52.2 through the rope core 53.1 installed in the push-pull member 52.2, the push-pull member 52.2 pulls the buckle fixing member 52.1 to change from a connection state with the back frame connection tail plate 51 to a disconnection state, the tilt angle is adjusted, after the tilt angle is adjusted in place, the push-pull member 52.2 is reset by the elastic force of the first elastic member, the push-pull member 52.2 pushes the buckle fixing member 52.1 to reset, and the buckle fixing member 52.1 changes from the disconnection state with the back frame connection tail plate to the connection state, thereby completing the adjustment.
Further, the tilt adjusting handle 54 is moved up and down to be positioned, and the buckle fixing piece 52.1 is pulled to move through the tilt pulling rope 53 to lock or unlock the back frame connecting tail plate 51, so as to control the tilt free movement (0-25 ︒) or 4-gear fixed angle (0 ︒, 6.25 ︒, 12.5 ︒, 16.75 ︒) of the back frame.
The push-pull member 52.2 includes a head 52.21, a tail barrel 52.22 and a connecting post 52.23 transverse to the snap fastener 52.1;
the connecting post 52.23 is connected to the end 52.21 at one end and to the end tail cylinder 52.22 at the other end.
The fastening member 52.1 includes a socket 52.11 and a connection plate 52.12 connected to one end of the socket 52.11, and a through hole is formed in the connection plate 52.12.
The outer surface of the connecting post 52.23 is provided with a second elastic element, one end of the second elastic element is connected with the end 52.21, and the other end of the second elastic element is connected with the connecting plate 52.12.
The connecting post 52.23 passes through the through hole, the connecting post 52.23 is fixed in the connecting plate 52.12, the second elastic member is sleeved on the outer surface of the connecting post 52.23, and the second elastic member is provided to fix the connecting plate 52.12 and the push-pull member 52.2 better, because the connecting plate 52.12 is connected with the end tail cylinder 52.22 on the other side connected with the second elastic member, and because the barrel diameter of the end tail cylinder 52.22 is larger than the aperture of the through hole, and the spring force of the second elastic member is added to fix the connecting plate 52.12 better.
The end post barrel 52.22 is provided with a first accommodating cavity;
the end of the rope core 53.1 is provided with an end fixing piece 53.2;
the end fixing piece 53.2 and part of the rope core 53.1 pass through the end post 52.22 and are arranged in the first accommodating cavity. The first receiving cavity is used for providing a receiving area of the end fixing piece 53.2, so as to ensure the connection between the tilting rope 53 and the push-pull piece 52.2.
Example 3
As shown in fig. 1, 2, and 9 to 10, the difference from embodiment 1 is that:
the slack adjuster mechanism 64 includes a threaded swivel assembly 64.1 and a slack assembly 64.2 coupled to the threaded swivel assembly 64.1;
the screw rotating assembly 64.1 includes a screw rotating plate 64.11 connected to the first and second elastic cords 62 and 63 and a lifter 64.12 provided at the center of the screw rotating plate 64.11;
the dancer assembly 64.2 includes a cross bar 64.21 coupled to the lifter 64.12, and a dancer threaded rod 64.22 coupled to the cross bar 64.21.
And a pressure spring is sleeved on the outer surface of the tightness adjusting threaded rod 64.22.
The elastic adjusting threaded rod 64.22 changes the pressure spring sleeved on the outer surface of the elastic adjusting threaded rod 64.22 after the lifting piece 64.12 is lifted, and the spring stress angle of the pressure spring is changed accordingly, so that the tightness of the back frame is adjusted.
The screw rotating disc 64.11 is provided with an internal screw thread, and the joint of the lifter 64.12 and the screw rotating disc 64.11 is provided with a corresponding external screw thread. When the user needs to adjust the tightness of the back basket by using the seat, the tightness adjusting control rod 61 is rotated, one end of the first tightness stay 62 and one end of the second tightness stay 63 are wound on the tightness adjusting control rod 61, so that when the first tightness stay 62 and the second tightness stay 63 rotate along with the tightness adjusting control rod 61, the parts wound on the tightness adjusting control rod 61 are changed (increased or decreased), simultaneously, the other ends of the first tightness stay 62 and the second tightness stay 63 are wound on the threaded rotating disc 64.11, and the first tightness stay 62 and the second tightness stay 63 act on the threaded rotating disc 64.11, so that the threaded rotating disc 64.11 rotates. The screw rotating disc 64.11 is provided with an internal thread, and a corresponding external thread is provided at the connection part between the lifting member 64.12 and the screw rotating disc 64.11, at this time, the screw rotating disc 64.11 and the lifting member 64.12 form a screw rod structure, and when the screw rotating disc 64.11 rotates, the lifting member 64.12 ascends or descends under the rotation action of the screw rotating disc 64.11.
The lifter 64.12 includes a supporting part having a groove and a threaded rod disposed under the supporting part;
the middle part of the tightness adjusting threaded rod 64.22 is buckled in the groove of the supporting part and supported by the supporting part.
Further, the tilt adjusting handle 54 is moved up and down to be positioned, and the buckle fixing piece 52.1 is pulled to move through the tilt pulling rope 53 to lock or unlock the back frame connecting tail plate 51, so as to control the tilt free movement (0-25 ︒) or 4-gear fixed angle (0 ︒, 6.25 ︒, 12.5 ︒, 16.75 ︒) of the back frame. The cushion lifting drive-by-wire adjusting device 4 is synchronously driven to move at an angle of 2.5:1. The locking is performed by the push-pull piece 52.2 (when the push-pull piece 52.2 is pulled or pushed, the back frame connecting tail plate 51 is in a state of clamping the buckle fixing piece 52.1 under the action of external force and cannot be braked immediately, and when the back frame connecting tail plate 51 is loose after the external force is eliminated, the buckle fixing piece 52.1 can move under the action of the push-pull piece 52.2 so as to release the locking).
Claims (8)
1. The wire control device for adjusting the leaning and the tightness of the back frame of the seat is characterized by comprising a back frame leaning and leaning adjusting wire control device (5) and a back frame tightness adjusting wire control device (6) which are arranged in the seat;
the back frame tilting adjustment wire control device (5) comprises a back frame connection tail plate (51) used for being connected with a back frame, a tilting adjustment mechanism (52) capable of being connected with the back frame connection tail plate (51), a tilting pull rope (53) and a tilting adjustment handle (54), wherein one end of the tilting pull rope (53) is connected with the tilting adjustment mechanism (52), and the other end of the tilting pull rope is connected with the tilting adjustment handle (54);
the back frame tightness adjustment wire control device (6) comprises an tightness adjustment control rod (61), a first tightness stay cord (62), a second tightness stay cord (63) and a tightness adjustment mechanism (64);
one end of the first elastic stay cord (62) is connected with the elastic adjustment control rod (61), and the other end of the first elastic stay cord is connected with the elastic adjustment mechanism (64);
one end of the second elastic pull rope (63) is connected with the elastic adjustment control rod (61), and the other end of the second elastic pull rope is connected with the elastic adjustment mechanism (64);
the tilting adjustment mechanism (52) comprises a buckle fixing piece (52.1) which is connected with the back frame connecting tail plate (51) and can move relative to the back frame connecting tail plate (51), a push-pull piece (52.2) which penetrates through the buckle fixing piece (52.1) and can push and pull the buckle fixing piece (52.1), a fixing plate for fixing the tilting stay rope (53) outer shell sleeve and a first elastic piece (52.4) which is arranged on the push-pull piece (52.2) and is connected with the buckle fixing piece (52.1) and the fixing plate; part of rope cores (53.1) of the tilting ropes (53) are connected with the push-pull piece (52.2);
the tightness adjusting mechanism (64) comprises a threaded rotating component (64.1) and a tightness component (64.2) connected with the threaded rotating component (64.1);
the thread rotating assembly (64.1) comprises a thread rotating disc (64.11) connected with the first elastic pull rope (62) and the second elastic pull rope (63) and a lifting piece (64.12) arranged at the center of the thread rotating disc (64.11); the tightening assembly (64.2) comprises a cross rod (64.21) connected with the lifting piece (64.12), and a tightening threaded rod (64.22) connected to the cross rod (64.21).
2. A wire control device for adjusting the pitch and tightness of a seat back frame according to claim 1, characterized in that said push-pull member (52.2) comprises a head (52.21), a tail end cylinder (52.22) and a connecting post (52.23) traversing said snap fastener (52.1);
one end of the connecting column (52.23) is connected with the end head (52.21), and the other end of the connecting column is connected with the end tail column (52.22).
3. The wire control device for adjusting the tilting and tightness of a back frame of a seat according to claim 2, wherein the fastening and fixing piece (52.1) comprises a plugboard (52.11) and a connecting board (52.12) connected with one end of the plugboard (52.11), and a through hole is formed in the connecting board (52.12);
the connection post (52.23) passes through the through hole.
4. A wire control device for adjusting the pitch and tightness of a back frame of a seat according to claim 3, wherein a second elastic member is provided on the outer surface of the connecting post (52.23), one end of the second elastic member is connected to the end (52.21), and the other end is connected to the connecting plate (52.12).
5. A wire control device for adjusting the pitch and tightness of a seat back frame according to claim 2, wherein the end tail cylinder (52.22) has a first accommodation cavity therein;
the end of the rope core (53.1) is provided with an end fixing piece (53.2);
the end fixing piece (53.2) and part of the rope core (53.1) pass through the end tail column tube (52.22) to be arranged in the first accommodating cavity.
6. The wire control device for adjusting the tilting and tightness of a back frame of a seat according to claim 1, wherein the outer surface of the tightness adjusting threaded rod (64.22) is sleeved with a pressure spring.
7. The wire control device for adjusting the tilting and tightness of a seat back frame according to claim 1, wherein the threaded rotating disc (64.11) is provided with internal threads, and the connection part of the lifting piece (64.12) and the threaded rotating disc (64.11) is provided with corresponding external threads.
8. The wire control device for adjusting the pitch and back frame of a seat according to claim 1, wherein the lifting member (64.12) comprises a support portion having a groove and a threaded rod disposed under the support portion;
the middle part of the tightness adjusting threaded rod (64.22) is buckled in the groove of the supporting part and supported by the supporting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811293290.8A CN109393798B (en) | 2018-11-01 | 2018-11-01 | Wire control device for adjusting leaning and leaning degree and tightness degree of seat back frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811293290.8A CN109393798B (en) | 2018-11-01 | 2018-11-01 | Wire control device for adjusting leaning and leaning degree and tightness degree of seat back frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109393798A CN109393798A (en) | 2019-03-01 |
| CN109393798B true CN109393798B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811293290.8A Active CN109393798B (en) | 2018-11-01 | 2018-11-01 | Wire control device for adjusting leaning and leaning degree and tightness degree of seat back frame |
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| CN (1) | CN109393798B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11751691B2 (en) * | 2020-05-28 | 2023-09-12 | Anji Deka Office System Co., Ltd. | Seat connecting device with adjustable backrest |
| CN111972897A (en) * | 2020-07-23 | 2020-11-24 | 中山市美斯赫家具有限公司 | Chassis with improved structure |
| CN113229663B (en) * | 2021-05-25 | 2022-02-15 | 安吉德卡办公系统有限公司 | Chair back adjusting mechanism |
| CN114056195B (en) * | 2021-12-21 | 2023-11-07 | 长沙礼恩派拉线工业有限公司 | Multifunctional automobile seat compensation and reset mechanism |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556163A (en) * | 1994-08-17 | 1996-09-17 | Eac Corporation | Automatically adjustable office and task chairs |
| JP3060601U (en) * | 1998-12-28 | 1999-09-07 | 子 文 曹 | Chair cushion lifting device and backrest stepless tilt angle adjustment device |
| TW526737U (en) * | 2001-11-08 | 2003-04-01 | Jeng-Feng Liou | Tilting device for backrest of chair |
| JP2003111638A (en) * | 2001-10-03 | 2003-04-15 | Hiroshi Udo | Automatic inclining chair |
| TW567793U (en) * | 2002-10-24 | 2003-12-21 | Cheng-Feng Liu | Adjustable chair |
| KR20060010948A (en) * | 2004-07-29 | 2006-02-03 | 기아자동차주식회사 | Walk-in device for second seat of vehicle |
| CN201609222U (en) * | 2010-02-03 | 2010-10-20 | 梁贵开 | Metal seat stand structure of a multifunctional revolving chair |
| CN202981018U (en) * | 2012-12-27 | 2013-06-12 | 谭干荣 | Seat chassis with backrest adjustable in angle of inclination |
| IT201600074410A1 (en) * | 2016-07-15 | 2018-01-15 | Sabelt Spa | Adjustable monocoque seat for sports cars. |
| CN107874429A (en) * | 2017-11-20 | 2018-04-06 | 蔡樟鹏 | A kind of disconnected arm disabled person washing device for hair |
| CN207821475U (en) * | 2017-10-26 | 2018-09-07 | 安吉德卡办公系统有限公司 | A kind of elevating and locking mechanism of swivel chair |
| CN209252095U (en) * | 2018-11-01 | 2019-08-16 | 安吉德卡办公系统有限公司 | A kind of adjusting seat tool back frame reclining and elastic wire-controlled apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202160996U (en) * | 2011-07-04 | 2012-03-14 | 陈育成 | Multifunctional chassis with improved structure |
-
2018
- 2018-11-01 CN CN201811293290.8A patent/CN109393798B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556163A (en) * | 1994-08-17 | 1996-09-17 | Eac Corporation | Automatically adjustable office and task chairs |
| JP3060601U (en) * | 1998-12-28 | 1999-09-07 | 子 文 曹 | Chair cushion lifting device and backrest stepless tilt angle adjustment device |
| JP2003111638A (en) * | 2001-10-03 | 2003-04-15 | Hiroshi Udo | Automatic inclining chair |
| TW526737U (en) * | 2001-11-08 | 2003-04-01 | Jeng-Feng Liou | Tilting device for backrest of chair |
| TW567793U (en) * | 2002-10-24 | 2003-12-21 | Cheng-Feng Liu | Adjustable chair |
| KR20060010948A (en) * | 2004-07-29 | 2006-02-03 | 기아자동차주식회사 | Walk-in device for second seat of vehicle |
| CN201609222U (en) * | 2010-02-03 | 2010-10-20 | 梁贵开 | Metal seat stand structure of a multifunctional revolving chair |
| CN202981018U (en) * | 2012-12-27 | 2013-06-12 | 谭干荣 | Seat chassis with backrest adjustable in angle of inclination |
| IT201600074410A1 (en) * | 2016-07-15 | 2018-01-15 | Sabelt Spa | Adjustable monocoque seat for sports cars. |
| CN207821475U (en) * | 2017-10-26 | 2018-09-07 | 安吉德卡办公系统有限公司 | A kind of elevating and locking mechanism of swivel chair |
| CN107874429A (en) * | 2017-11-20 | 2018-04-06 | 蔡樟鹏 | A kind of disconnected arm disabled person washing device for hair |
| CN209252095U (en) * | 2018-11-01 | 2019-08-16 | 安吉德卡办公系统有限公司 | A kind of adjusting seat tool back frame reclining and elastic wire-controlled apparatus |
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