CN114009999A - Sliding turnover mechanism, headrest adjusting device and headrest support - Google Patents
Sliding turnover mechanism, headrest adjusting device and headrest support Download PDFInfo
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- CN114009999A CN114009999A CN202111361016.1A CN202111361016A CN114009999A CN 114009999 A CN114009999 A CN 114009999A CN 202111361016 A CN202111361016 A CN 202111361016A CN 114009999 A CN114009999 A CN 114009999A
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- 230000007306 turnover Effects 0.000 title claims abstract description 74
- 230000007246 mechanism Effects 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 11
- 238000011084 recovery Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
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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
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
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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
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
Abstract
The invention discloses a sliding turnover mechanism, a headrest adjusting device and a headrest support, which comprise a turnover connecting piece and a lifting assembly, wherein the lifting assembly comprises a moving piece and a fixed assembly; be provided with spacing deflection piece on the fixed subassembly, be provided with on the upset connecting piece with spacing deflection piece matched with spacing face, the moving part is used for driving the upset connecting piece and slides for fixed subassembly, and after spacing face and spacing deflection piece contacted, the moving part continued to promote and makes the upset connecting piece rotate for fixed subassembly. The invention has the advantages of simple structure, stable movement, reduced manufacturing and mounting steps and cost saving.
Description
Technical Field
The invention relates to the technical field of furniture, in particular to a sliding turnover mechanism, a headrest adjusting device and a headrest support.
Background
The functional sofa is more and more popular in life as a part of smart home. The functional sofa usually has the functions of adjusting posture and changing form, and can adjust different parts such as legs, a backrest, a headrest, a waist and the like so as to adapt to different crowds and different sitting postures, find the most comfortable angle of the body and relax the body.
The sofa with the backrest angle adjusting function in the prior art usually cannot adjust the position of the headrest independently, or needs manual adjustment, and the adjustment of the headrest is not convenient enough. Some devices can meet the requirement of convenient adjustment, but have the disadvantages of complicated adjustment structure, large volume, difficult manufacture and installation, high cost, poor reliability and no anti-pinch function.
Disclosure of Invention
The invention aims to solve the technical problems that the existing sliding turnover mechanism for adjusting the angle of the sofa headrest is complex in structure, large in size, poor in reliability and difficult to manufacture and install.
In order to solve the technical problems, the application provides a sliding turnover mechanism aiming at the defects of the prior art, which comprises a turnover connecting piece and a lifting assembly, wherein the lifting assembly comprises a moving piece and a fixed assembly, and the turnover connecting piece is used for being rotationally connected with the moving piece;
the fixed component is provided with a limiting deflection piece, the turning connecting piece is provided with a limiting surface matched with the limiting deflection piece, the moving piece is used for driving the turning connecting piece to move relative to the fixed component, and after the limiting surface is contacted with the limiting deflection piece, the moving piece continues to push to enable the turning connecting piece to rotate relative to the fixed component.
Furthermore, the limiting surface comprises a limiting guide part, and the limiting guide part is connected with the limiting deflection part in a sliding manner in the rotating process of the turnover connecting piece.
Furthermore, the moving part with the one end that the upset connecting piece is connected is provided with the banking pin, the banking pin be used for with the bottom surface cooperation restriction of upset connecting piece the turned angle of upset connecting piece.
Furthermore, the limiting deflection piece is a limiting pin, and a rotating bushing is sleeved on the limiting pin.
Further, fixed subassembly includes fixed part and installation department, the fixed part with installation department integrated into one piece, fixed connection or components of a whole that can function independently set up, spacing deflection piece sets up on the installation department.
Further, a guide rail groove body is arranged on the fixing portion, a sliding groove body matched with the guide rail groove body is arranged on the moving piece, and the sliding groove body is matched with the guide rail groove body to enable the moving piece to slide relative to the fixing assembly.
Furthermore, a lifting connecting piece is arranged on the moving piece, one end of the lifting connecting piece is hinged to the overturning connecting piece, and the other end of the lifting connecting piece is used for being connected with a lifting rod.
Preferably, the movable member is provided with a guide sliding groove, the fixed assembly is provided with a sliding member matched with the guide sliding groove, and the sliding member is connected with the guide sliding groove in a sliding manner.
Furthermore, a lifting connecting part is arranged between two end parts of the movable part and is used for being connected with a lifting rod.
Furthermore, the turnover device also comprises an elastic recovery piece, wherein one end of the elastic recovery piece is connected with the turnover connecting piece, and the other end of the elastic recovery piece is used for being connected with the movable piece and one end, hinged with the turnover connecting piece, of the movable piece.
The application also provides a headrest adjusting device which comprises a turnover connecting piece, a lifting assembly, a lifting rod and a driving mechanism, wherein the lifting assembly comprises a moving piece and a fixed assembly;
the fixed component is provided with a limiting deflection piece, the turning connecting piece is provided with a limiting surface matched with the limiting deflection piece, the moving piece is used for driving the turning connecting piece to move relative to the fixed component, and when the limiting surface is contacted with the limiting deflection piece, the moving piece continues to push to enable the turning connecting piece to rotate relative to the fixed component;
the lifting rod is used for connecting the moving piece and the driving mechanism, the maximum sliding distance of the moving piece is 100-170 mm in the process that the driving mechanism drives the lifting rod to drive the moving piece to lift and the overturning connecting piece to overturn, and meanwhile, the maximum adjusting angle of the overturning connecting piece is 40-70 degrees.
The device further comprises a fixed rod, two ends of the fixed rod are respectively connected with the fixed assembly, the distance from the fixed rod to the bottom end of the fixed assembly in the vertical direction is 300-400mm, and the middle of the fixed rod is used for being connected with the driving mechanism.
Further, the driving mechanism comprises a driving motor, a driving guide rail and a sliding block, the sliding block is used for being connected with the lifting rod, and the driving motor is used for driving the sliding block to drive the lifting rod to slide along the driving guide rail.
The application still provides a headrest support, including headrest board, back frame and headrest adjusting device, the headrest board be used for with the upset connecting piece is connected and is adjusted the headrest angle, fixed subassembly with the installation curb plate of back frame is connected, the width of installation curb plate is 50mm-70 mm.
Preferably, the headrest plate comprises first and second hinged adjustment plates, the first adjustment plate being rotatable relative to the second adjustment plate.
The embodiment of the invention has the following beneficial effects:
the lifting assembly drives the turnover connecting piece to lift so as to realize the switching of the high backrest and the low backrest of the sofa, the sliding lifting assembly is matched with the limiting deflection piece to rotate the turnover connecting piece, the angle adjustment of the headrest of the sofa is realized, the turnover connecting piece deflects by the resistance of the limiting deflection piece, the rotating motion is stable, the manufacturing and installation steps are reduced, and the cost is effectively reduced.
The vertical distance from the fixed rod to the bottom end of the fixed component of the turnover mechanism is 300-400mm, and after the turnover mechanism is assembled with the sofa backrest, the width of the backrest installation side plate can be 50-70 mm.
The elastic restoring piece is arranged between the turnover connecting piece and the moving piece, so that the turnover connecting piece can be successfully recovered through the elastic restoring piece, and the turnover connecting piece has an anti-pinch function.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a slide and turn mechanism according to embodiment 1;
FIG. 2 is a schematic view showing the structure of the flip connector according to embodiment 1;
FIG. 3 is a side view of the sliding and inverting mechanism of embodiment 1;
FIG. 4 is a bottom view of the landing member sockets of embodiment 1;
FIG. 5 is a schematic view of the sliding and flipping mechanism of embodiment 1 with the fixing portion and the mounting portion separately disposed;
fig. 6 is a schematic structural view showing the unfolding of the headrest plate of the headrest bracket according to embodiment 1;
fig. 7 is a schematic structural view of the headrest plate of the headrest bracket according to embodiment 1, folded;
fig. 8 is a side view of the headrest bracket of embodiment 2;
fig. 9 is a schematic structural view of a headrest bracket according to embodiment 2.
Wherein the reference numerals in the figures correspond to: 1-turnover connecting piece, 11-limiting surface, 12-adjusting plate connecting surface, 111-limiting guiding part, 2-lifting assembly, 21-moving piece, 211-sliding groove body, 222-guide rail groove body, 212-lifting connecting piece, 213-guiding sliding groove, 224-sliding piece, 214-lifting connecting part, 22-fixing assembly, 221-limiting deflection piece, 2211-rotating bush, 22 a-fixing part, 22 b-mounting part, 23-limiting piece, 3-lifting rod, 4-fixing rod, 5-driving mechanism, 51-driving motor, 52-driving guide rail, 53-sliding block, 6-elastic restoring piece, 7-headrest plate, 8-backrest frame and 81-mounting side plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In addition, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides a sliding turnover mechanism which can be used for angle adjustment of a part of structure relative to a sofa body in common furniture, for example, the sliding turnover mechanism can be arranged on the sofa body and used for adjusting the angle of the legs, the backrest, the headrest or the waist of the sofa relative to the sofa body. In the embodiment of the application, the sliding turnover mechanism is arranged on the sofa backrest frame and is used for adjusting the height of the sofa backrest and the angle of the headrest.
Example 1
As shown in fig. 1-5, the present embodiment 1 provides a sliding turnover mechanism, which includes a turnover connection member 1 and a lifting assembly 2, where the lifting assembly 2 includes a movable member 21 and a fixed member 22, the movable member 21 is configured to move relative to the fixed member 22, and the turnover connection member 1 is configured to be rotatably connected to the movable member 21; the fixed component 22 is provided with a limiting deflection piece 221, the turnover connecting piece 1 is provided with a limiting surface 11 matched with the limiting deflection piece 221, the movable piece 21 is used for driving the turnover connecting piece 1 to move relative to the fixed component 22, and after the limiting surface 11 is contacted with the limiting deflection piece 221, the movable piece 21 continues to push to enable the turnover connecting piece 1 to rotate relative to the fixed component 22.
Specifically, as shown in fig. 2, the turning connector includes an integrally formed adjustment plate connection surface 12 and a limiting surface 11, the adjustment plate connection surface 12 is used for being connected with an adjustment plate such as a headrest plate, and the limiting surface 11 includes a limiting guide portion 111, in the rotation process of the turning connector 1, the limiting guide portion 111 is slidably connected with the limiting deflection member 221. Specifically, the limiting guide portion 111 is an inclined surface, and when the movable member 21 drives the flip connection member 1 to move upward until the limiting guide portion 111 contacts with the limiting deflection member 221, the movable member 21 continues to push, so that the flip connection member 1 deflects to one side under the resistance of the limiting deflection member 221.
Specifically, one end of the movable member 21 connected to the flip connection member 1 is provided with a limiting member 23, and the limiting member 23 is used for cooperating with the bottom surface of the flip connection member 1 to limit the rotation angle of the flip connection member 1. Specifically, the bottom surface of the flip connector 1 is provided with two contact planes which are matched with the limiting member 23 and can be opened and closed at different heights. The limiting part 23 can be limiting devices such as limiting rivets, limiting pins and limiting blocks, and the rotating angle of the turnover connecting piece 1 is limited so that the turnover connecting piece can be prevented from being normally retracted and the comfort level of the turnover connecting piece is reduced due to the influence of excessive adjustment.
Specifically, the limit deflection member 221 is a limit pin on which a rotating bushing 2211 is sleeved. In this embodiment, the fixing assembly 22 includes a fixing portion 22a and a mounting portion 22b, the limit deflecting member 221 is disposed on the mounting portion 22b, and the fixing portion 22a and the mounting portion 22b are fixedly connected and fixedly connected to the backrest frame by a fastener such as a rivet or a screw. In some embodiments, as shown in fig. 5, the mounting portions 22b may be provided separately from the fixing portions 22a and fixed to the back frame, respectively. In some embodiments, the mounting portion 22b may also be integrally formed with the fixing portion 22 a. Specifically, when the movable element 21 drives the roll-over connection element 1 to move along the fixing element 22 to the roll-over connection element 1 to abut against the limit deflection element 221, the rotation bushing 2211 of the limit deflection element 221 is in rolling connection with the limit guide portion 111, and the resistance of the limit deflection element 221 causes the roll-over connection element 1 to rotate. The rotating bushing 2211 is not easy to generate noise and has the advantages of easy maintenance and good smoothness.
Specifically, in the present embodiment, as shown in fig. 4, a guide rail groove 222 is disposed on the fixing portion 22a, a sliding groove 211 matched with the guide rail groove 222 is disposed on the movable element 21, and the sliding groove 211 and the guide rail groove 222 are matched to slide so that the movable element 21 slides relative to the fixing component 22. In this embodiment, the rail groove body 222 slides in a sleeved manner with the sliding groove body 211, the sliding groove body 22 is further provided with a rolling element and an embedded frame for enabling the sliding groove body 211 to slide smoothly, the rolling elements are uniformly distributed on the embedded frame, a sliding surface of the sliding groove body 211 contacts with the rolling element, friction force in a power transmission process is reduced through a rolling manner, power transmission efficiency is improved, and the guide rail is high in guide precision, portable and stable in movement and good in wear resistance. In practical applications, the movable member 21 moves up and down relative to the fixed member 22 and includes, but is not limited to, moving up and down relative to the fixed member by means of a threaded rotating structure, a sliding sleeve, a push rod, a sliding groove, or a sliding rail.
Specifically, in the present embodiment, the movable member 21 is provided with a lifting connection member 212, one end of the lifting connection member 212 is hinged to the turnover connection member 1, and the other end of the lifting connection member 212 is used for being connected to the lifting rod 3. Specifically, the lifting connection member 212 may be integrally formed with the movable member 21, the lifting connection member 212 may also be fixed to the movable member 21 by screws, bolts, rivets, or other fasteners or welding methods, one end of the lifting connection member 212 is rotatably connected to the flip connection member 1 by a rotatable hinge member, the other end of the lifting connection member 212 is provided with a bending connection portion, which is connected to the lifting rod 3 by the bending connection portion, and the lifting rod 3 is used for connecting and driving the movable member 21 to slide.
Specifically, the sliding turnover mechanism further comprises an elastic restoring piece 6, one end of the elastic restoring piece 6 is connected with the turnover connecting piece 1, and the other end of the elastic restoring piece 6 is used for being connected with the movable piece 21. In this embodiment, the other end of the resilient restoring member 6 is connected to the elevation connecting member 212. In this embodiment, the elastic restoring member 6 is a spring member, and a certain elastic restoring force is maintained between the flip connector 1 and the lifting connector 212 due to the elasticity of the elastic restoring member. When the turnover connecting piece 1 is driven to rotate and retract, because of the elastic force of the elastic restoring piece 6, the recovery force of the turnover connecting piece is smaller than the recovery force generated by the driving mechanism for directly driving the lifting rod and the moving piece, so that in the process of recovering the turnover connecting piece by driving the headrest plate, the clamping force of the headrest plate for clamping the hand or the object can be greatly reduced, and because the elastic force of the elastic restoring piece can easily pull the headrest plate open, the gap between the headrest plate and the backrest frame is enlarged, the clamped object is taken out, and the anti-clamping effect is achieved.
Specifically, the embodiment further provides a headrest adjusting device, which includes the above-mentioned sliding and tilting mechanism, and further includes a lifting rod 3 and a driving mechanism 5, wherein the lifting rod 3 is used for connecting the movable member 21 and the driving mechanism 5, and in the process that the driving mechanism 5 drives the lifting rod 3 to drive the movable member 21 to lift and the tilting connecting member 1 to tilt, the maximum sliding distance of the movable member 21 is 100mm-170mm, and the maximum adjusting angle of the tilting connecting member 1 is 40 ° to 70 °. Preferably, the maximum sliding distance of the movable piece 21 may be 130mm to 170 mm. In this embodiment, the maximum sliding distance of the movable member relative to the fixed member may be 100mm, 110mm, 130mm, 150mm, 160mm or 170mm, and the maximum adjustment angle of the flip connector 1 may be 40 °, 45 °, 50 °, 55 °, 60 ° or 70 °. The sofa backrest combines the height conversion and the angle adjustment, and improves the comfort of the sofa.
This application slip tilting mechanism can be for two sets of symmetry setting, and lifter 3 sets up between two sets of slip tilting mechanisms, and lifter 3 is used for being connected with actuating mechanism 5. The sliding turnover mechanism further comprises a fixing rod 4, two ends of the fixing rod 4 are respectively connected with the two fixing assemblies 22, and the middle of the fixing rod 4 is used for being connected with a driving mechanism 5. The distance from the fixed rod 4 to the bottom end of the fixed component 22 in the vertical direction is 300mm-400 mm. In particular, it may be 300mm, 320mm, 350mm, 380mm or 400 mm. In the present embodiment, it may be preferably 350 mm. Compared with the traditional headrest support, the whole height of the headrest adjusting device is lower, so that the headrest adjusting device can be used for a shorter sofa backrest, and the backrest is adjustable in height, so that the selection of the style of the sofa backrest is increased, and the function and the comfort level of the backrest are also increased.
Preferably, in this embodiment, the driving mechanism 5 is a slider motor, and includes a driving motor 51, a driving rail 52 and a slider 53, where the slider 53 is used for connecting with the lifting rod 3, and the driving motor 51 is used for driving the slider 53 to drive the lifting rod 3 to move along the driving rail 52. In this embodiment, the motor end of slider motor passes through the motor connecting piece and is connected with dead lever 4, and slider 53 is fixed at the middle part of lifter 3, because this embodiment lifting unit is the ball slide rail that cup joints, and slider 53 is fixed on lifter 3, and it is better to control synchronous stability, so motor linear motion direction need be unanimous with slide rail direction of motion. In other possible embodiments, the driving mechanism 5 may also be a linear push rod motor, a driving cylinder, a hydraulic cylinder, or other driving structures that can drive the lifting rod to move up and down, and a linear output end of the driving mechanism is connected to the lifting rod 3.
Specifically, in some possible embodiments, the driving source 50 may be disposed between the top frame of the backrest frame and the lifting rod 3, a motor end of the driving motor is connected with the top frame of the backrest frame through a motor connecting member, and a linear output end of the driving motor is drivingly connected with the lifting rod 3. The embodiment also provides a headrest bracket, as shown in fig. 6, 7 and 8, comprising a headrest plate 7, a backrest frame 8 and sliding turnover mechanisms, wherein the headrest plate 7 is used for being connected with the turnover connecting piece 1 and adjusting the angle of the headrest, two groups of sliding turnover mechanisms are symmetrically arranged on the inner side of a mounting side plate 81 of the backrest frame 8 through a fixing assembly 22, and the width of the mounting side plate 81 is 50mm-70 mm. Preferably, the maximum width of the mounting side plate may be 50mm, 55mm, 60mm, 65mm, 68mm or 70 mm. Compare in traditional sofa back, the curb plate width is narrower in this application installation, and the thickness of sofa back frame is thinner, is favorable to reducing the back volume, improves the pleasing to the eye degree of sofa outward appearance, realizes ultra-thin type sofa design.
In some embodiments, the headrest plate 7 may include first and second hinged adjustment plates, the first adjustment plate being rotatable relative to the second adjustment plate. Specifically, in practical application, first regulating plate is connected with the upset connecting piece, and the second regulating plate can rotate for first regulating plate, and the second regulating plate makes user's head in the adjustment process can lean back slightly for keep suitable curvature between head and the neck, relax the cervical vertebra. A limiting component for limiting the rotation angle of the first adjusting plate can be arranged between the first adjusting plate and the second adjusting plate so as to limit the maximum rotation angle of the second adjusting plate.
In this embodiment, when adjusting the angle of the sofa headrest, the movable member 21 slides upward relative to the fixed member 22 to drive the turnover connecting member 1 and the headrest plate 7 to move linearly upward, and after the limiting surface 11 of the turnover connecting member 1 contacts with the limiting deflection member 221 arranged at one end of the fixed member 22, the turnover connecting member 1 drives the headrest plate to rotate to one side of the backrest frame based on the force of the movable member 21 driving the turnover connecting member 1 to move upward and the resistance of the limiting deflection member 221 to the limiting surface.
The switching of sofa height, short back can be realized to this embodiment lifting unit drives the lift connecting piece lift. The sliding lifting group price and the limiting deflection piece are matched to enable the turnover connecting piece to rotate, so that the angle adjustment of the sofa headrest is realized, the mode that the turnover connecting piece deflects through the resistance of the limiting deflection piece is realized, the structure is simple, the rotating motion is stable, the manufacturing and mounting steps are reduced, and the cost is effectively reduced. An elastic restoring piece 6 is arranged between the turnover connecting piece 1 and the lifting connecting piece 212, when the turnover connecting piece 1 is driven to rotate and restore, the headrest plate can be easily pulled open due to the elastic force of the elastic restoring piece 6, the gap between the headrest plate and the backrest frame is enlarged, and therefore the anti-pinch effect is achieved.
Example 2
As shown in fig. 9, the lifting assembly 2 in embodiment 2 is different from embodiment 1, and the lifting assembly 2 in embodiment 2 is different from embodiment 1 in that a guide sliding groove 213 is disposed on the movable element 21, a sliding member 224 engaged with the guide sliding groove 213 is disposed on the fixed element 22, the sliding member 224 is configured to be slidably connected with the guide sliding groove 213, and the guide sliding groove 213 is engaged with the sliding member 224 to slide the movable element 21 relative to the fixed element 22. In embodiment 2, the sliding member 224 is a sliding pin, at least two sliding pins are fixed on the fixed component 22, the sliding pin is installed in the guiding sliding groove 213, and the guiding sliding groove 213 and the sliding pin are slidably connected such that the movable member 21 can slide relative to the fixed component 22.
Specifically, in the present embodiment, the movable member 21 is hinged to one end of the flipping connecting member 1, the other end of the flipping connecting member 1 is connected to the headrest plate 7, and the movable member 21 drives the flipping connecting member 1 and the headrest plate 7 to move along the fixing member 22. A lifting connection portion 214 is provided between both end portions of the movable element 21, and the lifting connection portion 214 is used to connect to the lifting rod 3. Specifically, the middle portion of the movable member 21 is provided with a lifting connection portion 214 bent inward, the lifting rod 3 is fastened and connected to the lifting connection portion 214 by a fastening member such as a bolt or a screw, and the movable member 21 is driven to slide by the movement of the lifting rod 3.
In this embodiment, the driving motor 51 drives the slider 53 to drive the lifting rod 3 to slide along the driving guide rail 52, the slider 53 may be connected with the lifting rod 3 in a plug-in manner, so that the installation is convenient, and the linear motion direction of the motor may not be completely consistent with the motion direction of the slide rail.
This application slip tilting mechanism realizes the switching of sofa height, short back and the angular adjustment of sofa headrest through slip lifting unit and spacing deflection piece cooperation, compares in the headrest structure that adopts complicated link mechanism to carry out angle modulation, and this application simple structure, motion are lightly steady, manufacturing and installation steps reduce, have greatly reduced space and cost demand. An elastic restoring piece is arranged between the turnover connecting piece and the moving piece, and the turnover connecting piece can be smoothly recovered through the elastic restoring piece and has an anti-pinch function. The utility model provides an angle and the headrest of thin sofa back are adjusted to less the ability of being applied to of slip tilting mechanism volume.
The foregoing is a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (15)
1. The sliding turnover mechanism is characterized by comprising a turnover connecting piece (1) and a lifting assembly (2), wherein the lifting assembly (2) comprises a moving piece (21) and a fixed assembly (22), and the turnover connecting piece (1) is used for being rotatably connected with the moving piece (21);
the overturning device is characterized in that a limiting deflection piece (221) is arranged on the fixed component (22), a limiting surface (11) matched with the limiting deflection piece (221) is arranged on the overturning connecting piece (1), the moving piece (21) is used for driving the overturning connecting piece (1) to move relative to the fixed component (22), and when the limiting surface (11) is contacted with the limiting deflection piece (221), the moving piece (21) continues to push to enable the overturning connecting piece (1) to rotate relative to the fixed component (22).
2. A sliding turnover mechanism as claimed in claim 1, characterised in that the stop surface (11) comprises stop guides (111), the stop guides (111) being slidably connected to the stop deflector (221) during rotation of the turnover connection member (1).
3. The sliding turnover mechanism of claim 1, wherein a limiting member (23) is disposed at an end of the movable member (21) connected to the turnover connection member (1), and the limiting member (23) is configured to cooperate with a bottom surface of the turnover connection member (1) to limit a rotation angle of the turnover connection member (1).
4. A sliding turnover mechanism as claimed in claim 1 in which the stop deflector (221) is a stop pin on which a rotating bush (2211) is sleeved.
5. The sliding turnover mechanism of claim 1, wherein the fixing assembly (22) comprises a fixing portion (22a) and a mounting portion (22b), the fixing portion (22a) and the mounting portion (22b) are integrally formed, fixedly connected or separately arranged, and the limiting deflection member (221) is arranged on the mounting portion (22 b).
6. The sliding turnover mechanism of claim 5, wherein a guide rail groove (222) is arranged on the fixed portion (22a), a sliding groove (211) matched with the guide rail groove (222) is arranged on the movable member (21), and the sliding groove (211) is matched with the guide rail groove (222) to enable the movable member (21) to slide relative to the fixed assembly (22).
7. A sliding turnover mechanism as claimed in claim 6, characterised in that the movable member (21) is provided with a lifting connection member (212), one end of the lifting connection member (212) is hinged to the turnover connection member (1), and the other end of the lifting connection member (212) is used for connecting with the lifting rod (3).
8. A sliding and overturning mechanism according to claim 1, characterized in that a guiding chute (213) is provided on said movable member (21), a sliding member (224) cooperating with said guiding chute (213) is provided on said fixed member (22), and said sliding member (224) is slidably connected with said guiding chute (213).
9. A sliding turnover mechanism as claimed in claim 8, characterised in that a lifting connection (214) is provided between the ends of the movable member (21), the lifting connection (214) being adapted to be connected to a lifting rod (3).
10. A sliding turnover mechanism as claimed in claim 1 further including a resilient return member (6), one end of the resilient return member (6) being connected to the turnover connection member (1), the other end of the resilient return member (6) being adapted to be connected to the movable member (21) and the end of the turnover connection member (1) which is hinged to the movable member.
11. The headrest adjusting device is characterized by comprising a turnover connecting piece (1), a lifting assembly (2), a lifting rod (3) and a driving mechanism (5), wherein the lifting assembly (2) comprises a moving piece (21) and a fixed assembly (22), and the turnover connecting piece (1) is used for being rotatably connected with the moving piece (21);
the fixed component (22) is provided with a limiting deflection piece (221), the overturning connecting piece (1) is provided with a limiting surface (11) matched with the limiting deflection piece (221), the moving piece (21) is used for driving the overturning connecting piece (1) to move relative to the fixed component (22), and when the limiting surface (11) is contacted with the limiting deflection piece (221), the moving piece (21) continues to push to enable the overturning connecting piece (1) to rotate relative to the fixed component (22);
the lifting rod (3) is used for connecting the moving piece (21) and the driving mechanism (5), the maximum sliding distance of the moving piece (21) is 100-170 mm in the process that the driving mechanism (5) drives the lifting rod (3) to drive the moving piece (21) to lift and the overturning connecting piece (1) overturns, and meanwhile, the maximum adjusting angle of the overturning connecting piece (1) is 40-70 degrees.
12. The headrest adjusting apparatus as claimed in claim 11, further comprising a fixing rod (4), wherein two ends of the fixing rod (4) are respectively connected to the fixing assemblies (22), a distance from the fixing rod (4) to a bottom end of the fixing assembly (22) in a vertical direction is 300mm-400mm, and a middle portion of the fixing rod (4) is used for being connected to the driving mechanism (5).
13. The headrest adjusting apparatus according to claim 11, wherein the driving mechanism (5) includes a driving motor (51), a driving rail (52) and a sliding block (53), the sliding block (53) is configured to be connected to the lifting rod (3), and the driving motor (51) is configured to drive the sliding block (53) to drive the lifting rod (3) to slide along the driving rail (52).
14. A headrest bracket, characterized by comprising a headrest plate (7), a backrest frame (8) and the headrest adjusting device as claimed in any one of claims 11 to 13, wherein the headrest plate (7) is used for connecting with the flip link (1) and adjusting the headrest angle, the fixing member (22) is connected with a mounting side plate (81) of the backrest frame (8), and the width of the mounting side plate (81) is 50mm to 70 mm.
15. Headrest support according to claim 14, characterized in that said headrest plate (7) comprises a first and a second articulated adjustment plate, said first adjustment plate being rotatable with respect to said second adjustment plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111361016.1A CN114009999B (en) | 2021-11-17 | Sliding turnover mechanism, headrest adjusting device and headrest support | |
| PCT/CN2022/117603 WO2023087862A1 (en) | 2021-11-17 | 2022-09-07 | Flipping and adjusting mechanism, headrest-flipping device and headrest support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111361016.1A CN114009999B (en) | 2021-11-17 | Sliding turnover mechanism, headrest adjusting device and headrest support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114009999A true CN114009999A (en) | 2022-02-08 |
| CN114009999B CN114009999B (en) | 2024-04-26 |
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Country or region after: China Address after: 215200 west side of Tongjin Avenue, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant after: Ruimai Technology Co.,Ltd. Address before: 215200 west side of Tongjin Avenue, Wujiang Economic Development Zone, Suzhou City, Jiangsu Province Applicant before: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) Co.,Ltd. Country or region before: China |
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