CN109349858B - Head over-and-under type back cushion - Google Patents
Head over-and-under type back cushion Download PDFInfo
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- CN109349858B CN109349858B CN201811262801.XA CN201811262801A CN109349858B CN 109349858 B CN109349858 B CN 109349858B CN 201811262801 A CN201811262801 A CN 201811262801A CN 109349858 B CN109349858 B CN 109349858B
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- rod
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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
- A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
- A47C20/02—Head -, foot -, or like rests for beds, sofas or the like of detachable or loose type
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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
- A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
- A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
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- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention discloses a head lifting type back cushion, which relates to the field of sofas and comprises a base, a back cushion, a rotating rod and a sliding rod, wherein one side of the base is fixedly connected with the back cushion, a sliding groove is formed in the upper end of the back cushion, the sliding rod is in sliding connection with the sliding groove, a sliding end is arranged at the upper end of the sliding rod, a positioning mechanism is arranged at the bottom of the sliding rod, the bottom of one side of the back cushion is movably connected with the edge, facing the base, of the upper end of the back cushion through a hinge mechanism, a placing groove is formed in one side, facing the sliding rod, of the back cushion, one end of the rotating rod is rotatably connected with the bottom of the placing groove, the other end of the rotating rod is fixedly connected with a locking mechanism, and when the back cushion needs to.
Description
Technical Field
The invention belongs to the field of sofas, and particularly relates to a head lifting type back cushion.
Background
In daily life of people, the sofa becomes common furniture, and compared with a seat, the sofa can provide more comfort for people. With the continuous improvement of living standard of people, the requirements of people on furniture are higher and higher, and the common sofa with single function is gradually abandoned by people.
In the prior art, the back cushion of the sofa is inconvenient to fix, and for people with high height, the head of the people cannot comfortably lean against the back cushion due to the fixed height of the back cushion, so that unpleasant experience is caused.
Disclosure of Invention
The invention aims to provide a head lifting type headrest, which aims to solve all or one of the problems in the background technology.
In order to solve the technical problems, the invention adopts the technical scheme that: a head lifting type back cushion comprises a base, a back cushion, a rotating rod and a sliding rod, wherein one side of the base is fixedly connected with a backrest, a sliding groove is formed in the upper end of the backrest, side grooves are symmetrically formed in two sides of the lower end of the sliding groove, the sliding rod is in sliding connection with the sliding groove, a sliding end is arranged at the upper end of the sliding rod, a positioning mechanism is arranged at the bottom of the sliding rod, one end of the positioning mechanism is in sliding connection with the side grooves, the other end of the positioning mechanism is movably connected with the sliding rod, the bottom of one side of the back cushion is movably connected with the edge of the upper end of the backrest, which faces towards the base, through a hinge mechanism, a placing groove is formed in one side of the back cushion, which faces towards the sliding rod, one end of the rotating rod is rotatably connected with the bottom of the placing groove, the other end of the rotating rod is fixedly, and a button electrically connected with the locking mechanism is arranged at the upper end of the back cushion.
Furthermore, the positioning mechanism comprises a bottom plate, a conductive copper plate and a positioning rod, wherein two ends of the bottom plate are slidably connected with side grooves, the middle position of the bottom plate is fixedly connected with the vertical rod, the upper end of the part of the bottom plate slidably connected with the side grooves is provided with a conductive block, the upper end of each side groove is internally provided with a connecting groove, the opening of each connecting groove faces the conductive block, the lower end of each sliding rod is internally provided with a contraction cavity, the upper ends of the contraction cavities are bilaterally and symmetrically provided with positioning grooves, the conductive copper plate is slidably connected with the connecting grooves, the two sides of the lower end of the conductive copper plate are symmetrically provided with second springs, one end of each second spring is fixedly connected with the conductive copper plate, the other end of each second spring is fixedly connected with the lower side wall of the connecting groove, the upper end of the vertical rod is slidably connected with the contraction cavity, and the upper end surface, first electro-magnet is connected with the button electricity, the up end of montant still with the one end fixed connection of first spring, the other end of first spring and the last lateral wall fixed connection who contracts the chamber, locating lever and constant head tank swing joint, the bottom and the location chamber sliding connection of locating lever, the bottom face of locating lever and the one end fixed connection of third spring, the other end and the bottom lateral wall fixed connection in location chamber of third spring, the bottom lateral wall in location chamber still with second electro-magnet fixed connection, electrically conductive copper is connected with the second electro-magnet electricity, the conducting block is connected with the power electricity.
Furthermore, the locking mechanism comprises a locking end head, a push rod, a locking rod and an unlocking rod, the end surface of the locking end head facing the rotating rod is fixedly connected with one end of the rotating rod, the end surface of the locking end head facing the sliding end head is provided with a rectangular groove, the insides of the left side wall and the right side wall of the rectangular groove are symmetrically provided with cavities, the inside of the upper side wall of the rectangular groove is provided with an inner cavity, the bottom of the locking rod is slidably connected with the cavities, the front end of the locking rod is movably connected with the locking groove, the bottom end surface of the locking rod is fixedly connected with one end of a fourth spring, the other end of the fourth spring is fixedly connected with the bottom side wall of the cavity, the bottom side wall of the cavity is also fixedly connected with a third electromagnet, the push rod is slidably connected with the inner cavity, the inside of the push rod is provided with a buffer, the one end and the cushion chamber sliding connection of unblock pole, the partial cover that the unblock pole is located the inner chamber has the fifth spring, the one end of fifth spring and the upper end fixed connection of inner chamber, the other end of fifth spring and the terminal surface fixed connection of catch bar, the left and right sides symmetry of catch bar is equipped with the gangbar, gangbar and inner chamber sliding connection, the gangbar is equipped with the boss towards the top position of the side of catch bar, the another side and the sixth spring one end fixed connection of gangbar, the other end of sixth spring and the lateral wall fixed connection of inner chamber, the boss of catch bar both sides is connected with the positive negative pole electricity of third electro-magnet respectively, the tip both sides of catch bar are equipped with electrically conductive copper sheet, the electrically conductive copper sheet of catch bar tip both sides is connected with the positive negative pole electricity of power.
Furthermore, the hinge mechanism comprises a lower hinge plate, an upper hinge plate and a fixing plate, wherein the lower hinge plate is fixed at the edge of the upper end surface of the backrest, which faces the base, the upper edge of the lower hinge plate, which faces the base, is hinged with the upper hinge plate, a supporting plate groove with an upward opening is formed in the upper hinge plate, the fixing plate is fixedly connected with one side of the headrest, which faces the backrest, the lower end surface of the fixing plate is fixedly connected with the supporting plate, and the supporting plate is movably connected with the supporting plate groove.
Furthermore, a back cushion is arranged on one side, facing the base, of the backrest, and the thickness of the back cushion is equal to that of the back cushion.
Further, the length of the placing groove is larger than the sum of the length of the rotating rod and the length of the locking mechanism.
Further, the depth of the sliding groove is greater than the sum of the length of the sliding rod and the height of the bottom plate.
The invention has the beneficial effects that: when a person with a higher height sits on the sofa, the headrest can be manually pulled up on one side of the headrest to change the horizontal placement of the headrest into the vertical placement and is fixed through the positioning mechanism, so that the head of the person with the higher height can also comfortably lean against the headrest, and in addition, when the headrest needs to be cleaned and replaced, the headrest can be conveniently detached through the locking mechanism 6 and the hinging mechanism 7.
Drawings
The contents of the drawings and the reference numerals in the drawings are briefly described as follows:
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic structural view of the hinge mechanism of FIG. 1;
FIG. 4 is a schematic view of the internal structure of the locking mechanism of FIG. 1;
fig. 5 is a schematic view of the construction of the slip tip of fig. 1.
Wherein, 1-base, 2-backrest, 3-back cushion, 4-back cushion, 5-positioning mechanism, 6-locking mechanism, 7-hinge mechanism, 8-sliding end, 9-rotating rod, 10-sliding rod, 11-placing groove, 12-button, 13-sliding groove, 14-side groove, 15-locking groove, 51-bottom plate, 52-vertical rod, 53-conductive block, 54-contraction cavity, 55-conductive copper plate, 56-second spring, 57-connecting groove, 58-first spring, 59-first electromagnet, 510-positioning cavity, 511-positioning groove, 512-positioning rod, 513-third spring, 61-locking end, 62-rectangular groove, 63-inner cavity, 64-pushing rod, 65-buffer cavity, 66-locking rod, 67-cavity, 68-fourth spring, 69-third electromagnet, 610-unlocking rod, 611-threaded hole, 612-fifth spring, 613-boss, 614-linkage plate, 615-sixth spring, 71-lower hinge plate, 72-upper hinge plate, 73-fixing plate, 74-supporting plate and 75-supporting plate groove.
Detailed Description
The following embodiments are provided to describe the embodiments of the present invention, and to further describe the detailed description of the embodiments of the present invention, such as the shapes, configurations, mutual positions and connection relationships of the components, the functions and operation principles of the components, the manufacturing processes and operation methods, etc., so as to help those skilled in the art to more fully, accurately and deeply understand the inventive concept and technical solutions of the present invention.
As shown in fig. 1 to 5, a head lifting type headrest comprises a base 1, a headrest 4, a rotating rod 9 and a sliding rod 10, wherein one side of the base 1 is fixedly connected with a backrest 2, a sliding groove 13 is arranged inside the upper end of the backrest 2, side grooves 14 are symmetrically arranged on two sides of the lower end of the sliding groove 13, the sliding rod 10 is slidably connected with the sliding groove 13, a sliding end 8 is arranged at the upper end of the sliding rod 10, a positioning mechanism 5 is arranged at the bottom of the sliding rod 10, one end of the positioning mechanism 5 is slidably connected with the side grooves 14, the other end of the positioning mechanism 5 is movably connected with the sliding rod 10, the bottom of one side of the headrest 4 is movably connected with the edge of the upper end of the backrest 2 facing the base 1 through a hinge mechanism 7, a placing groove 11 is arranged on one side of the headrest 4 facing the sliding rod 10, one end of the rotating rod 9 is rotatably connected with the bottom of the placing groove 11, and the other end of the rotating, and locking grooves 15 are formed in two sides of the sliding end 8, the locking mechanism 6 is movably connected with the locking grooves 15, and a button 12 electrically connected with the locking mechanism 6 is arranged at the upper end of the back cushion 4.
In this embodiment, the positioning mechanism 5 includes a bottom plate 51, a conductive copper plate 55 and a positioning rod 512, two ends of the bottom plate 51 are slidably connected to the side groove 14, a middle position of the bottom plate 51 is fixedly connected to the vertical rod 52, a conductive block 53 is disposed at an upper end of a portion where the bottom plate 51 is slidably connected to the side groove 14, a connecting groove 57 is disposed inside an upper end of the side groove 14, an opening of the connecting groove 57 faces the conductive block 53, a contracting cavity 54 is disposed inside a lower end of the sliding rod 10, positioning grooves 511 are symmetrically disposed at left and right upper ends of the contracting cavity 54, a positioning cavity 510 is disposed at an upper end of the connecting groove 57, the conductive copper plate 55 is slidably connected to the connecting groove 57, second springs 56 are symmetrically disposed at two sides of a lower end of the conductive copper plate 55, one end of each second spring 56 is fixedly connected to the conductive copper plate 55, and the other end of each, the upper end of the vertical rod 52 is connected with the contraction cavity 54 in a sliding manner, the upper end surface of the vertical rod 52 and the upper side wall of the contraction cavity 54 are respectively and fixedly connected with a first electromagnet 59, the first electromagnet 59 is electrically connected with the button 12, the upper end surface of the vertical rod 52 is also fixedly connected with one end of a first spring 58, the other end of the first spring 58 is fixedly connected with the upper side wall of the contraction cavity 54, the positioning rod 512 is movably connected with the positioning groove 511, the bottom end of the positioning rod 512 is connected with the positioning cavity 510 in a sliding manner, the bottom end surface of the positioning rod 512 is fixedly connected with one end of a third spring 513, the other end of the third spring 513 is fixedly connected with the bottom side wall of the positioning cavity 510, the bottom side wall of the positioning cavity 510 is also fixedly connected with a second electromagnet, the conductive copper plate 55 is electrically connected with a second electromagnet, the conductive block 53 is electrically connected with a power supply, need fixed motionless just can be to its supporting role of head, can play the fixed action to back cushion 4 when back cushion 4 changes vertical the placing through positioning mechanism 5, in addition when needing back cushion 4 to change again and keeping flat, through button 12, be that positioning mechanism 5 loosens slide bar 10.
In this embodiment, the locking mechanism 6 includes a locking end 61, a pushing rod 64, a locking rod 66 and an unlocking rod 610, the locking end 61 is fixedly connected with one end of the rotating rod 9 towards the end face of the rotating rod 9, the locking end 61 is provided with a rectangular groove 62 towards the end face of the sliding end 8, the inside of the left and right side walls of the rectangular groove 62 is symmetrically provided with a cavity 67, the inside of the upper side wall of the rectangular groove 62 is provided with an inner cavity 63, the bottom of the locking rod 66 is slidably connected with the cavity 67, the front end of the locking rod 66 is movably connected with the locking groove 15, the bottom end face of the locking rod 66 is fixedly connected with one end of a fourth spring 68, the other end of the fourth spring 68 is fixedly connected with the bottom side wall of the cavity 67, the bottom side wall of the cavity 67 is also fixedly connected with a third electromagnet 67, the pushing rod 64 is slidably connected with the inner cavity 63, a threaded hole 611 is formed in the middle of the upper side wall of the inner cavity 63, the unlocking rod 610 is in threaded connection with the threaded hole 611, one end of the unlocking rod 610 is in sliding connection with the buffer cavity 65, a fifth spring 612 sleeves the part of the unlocking rod 610 located in the inner cavity 63, one end of the fifth spring 612 is fixedly connected with the upper end of the inner cavity 63, the other end of the fifth spring 612 is fixedly connected with the end face of the pushing rod 64, linkage rods 614 are symmetrically arranged on the left side and the right side of the pushing rod 64, the linkage rods 614 are in sliding connection with the inner cavity 63, a boss 613 is arranged above the side face of the linkage rod 614 facing the pushing rod 64, the other side face of the linkage rod 614 is fixedly connected with one end of a sixth spring 615, the other end of the sixth spring 615 is fixedly connected with the side wall of the inner cavity 63, the bosses 613 on the two sides of the pushing rod 64 are respectively electrically connected with the positive electrode, the conductive copper sheets on the two sides of the end part of the push rod 64 are respectively electrically connected with the positive electrode and the negative electrode of a power supply, when the back cushion 4 needs to be disassembled, the rotating rod 9 and the sliding rod 10 need to be separated, the rotating rod 9 and the sliding rod 10 can be separated through the locking mechanism 6, and when the back cushion 4 is installed, the rotating rod 9 and the sliding rod 10 are locked through the locking mechanism 6.
In this embodiment, the hinge mechanism 7 includes a lower hinge plate 71, an upper hinge plate 72 and a fixing plate 73, the lower hinge plate 71 is fixed at the edge of the upper end surface of the backrest 2 facing the base 1, the lower hinge plate 71 is hinged with the upper hinge plate 72 at the edge of the upper edge of the base 1, a supporting plate slot 75 with an upward opening is formed in the upper hinge plate 72, the fixing plate 73 is fixedly connected with one side of the headrest 4 facing the backrest 2, the lower end surface of the fixing plate 73 is fixedly connected with the supporting plate 74, the supporting plate 74 is movably connected with the supporting plate slot 75, when the headrest 4 is separated, the hinge portion between the headrest 4 and the backrest 2 also needs to be normally separated, and the hinge mechanism 7 can separate the hinge portion.
In this embodiment, back 2 is equipped with cushion 3 towards one side of base 1, makes the people who sits on the sofa more comfortable, the thickness of cushion 3 equals with the thickness of back cushion 4, when making back cushion 4 vertical place, does not produce the dislocation between back cushion 4 and the cushion 3, makes people's head more comfortable.
In this embodiment, the length of the placement groove 11 is greater than the sum of the length of the rotating lever 9 and the length of the locking mechanism 6, so that the rotating lever 9 and the locking mechanism 6 can be retracted into the placement groove 11.
In this embodiment, the depth of the sliding groove 13 is greater than the sum of the length of the sliding rod 10 and the height of the bottom plate 51, so that the sliding rod 10 and the bottom plate 51 can be completely retracted into the sliding groove 13.
When the headrest 4 needs to be taken down for cleaning or replacement, the unlocking rod 610 is rotated to drive the pushing rod 64 to move upwards against the fifth spring 612, when the conductive copper sheets at the two ends of the pushing rod 64 are in contact with the boss 613, the third electromagnet 69 is powered to enable the locking rod 66 to move towards the direction close to the third electromagnet 69 against the elastic force of the fifth spring 68, so that the locking rod 66 is separated from the locking groove 15, the headrest 4 is taken down, and the supporting plate 74 is separated from the supporting plate groove 75 when the headrest 4 is taken down. When installing the headrest 4, the stay plate 74 is first inserted into the stay plate groove 75, and then the sliding end 8 is inserted into the rectangular groove 62, and when the locking groove 15 coincides with the locking lever 66, the installation is completed.
Based on the above, when a person with a high height sits on the sofa, the headrest can be manually pulled up from one side of the headrest, the headrest is changed from horizontal placement to vertical placement, and the headrest is fixed through the positioning mechanism, so that the head of the person with the high height can also comfortably lean against the headrest, and in addition, when the headrest needs to be cleaned and replaced, the headrest can be conveniently detached through the locking mechanism 6 and the hinging mechanism 7.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the precise form disclosed, and that various insubstantial modifications of the inventive concepts and solutions, or their direct application to other applications without such modifications, are intended to be covered by the scope of the invention. The protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. A head over-and-under type back cushion which characterized in that: comprises a base (1), a back cushion (4), a rotating rod (9) and a sliding rod (10), one side of the base (1) is fixedly connected with the back (2), a sliding groove (13) is arranged inside the upper end of the back (2), side grooves (14) are symmetrically arranged on two sides of the lower end of the sliding groove (13), the sliding rod (10) is slidably connected with the sliding groove (13), a sliding end (8) is arranged on the upper end of the sliding rod (10), a positioning mechanism (5) is arranged at the bottom of the sliding rod (10), one end of the positioning mechanism (5) is slidably connected with the side grooves (14), the other end of the positioning mechanism (5) is movably connected with the sliding rod (10), the bottom of one side of the back cushion (4) is movably connected with the upper end of the back (2) towards the edge of the base (1) through a hinge mechanism (7), a placing groove (11) is arranged on one side of the back cushion (4) towards one side of the sliding rod (10), the one end of dwang (9) is rotated with the bottom of standing groove (11) and is connected, the other end and locking mechanism (6) fixed connection of dwang (9), the both sides of slip end (8) are equipped with locking groove (15), locking mechanism (6) and locking groove (15) swing joint, the upper end of back cushion (4) is equipped with button (12) of being connected with locking mechanism (6) electricity.
2. The elevating headrest for heads of claim 1, wherein: the positioning mechanism (5) comprises a bottom plate (51), a conductive copper plate (55) and positioning rods (512), the two ends of the bottom plate (51) are in sliding connection with side grooves (14), the middle position of the bottom plate (51) is fixedly connected with a vertical rod (52), the upper ends of the parts of the bottom plate (51) and the side grooves (14) in sliding connection are provided with conductive blocks (53), connecting grooves (57) are arranged inside the upper ends of the side grooves (14), the opening of the connecting grooves (57) faces the conductive blocks (53), a contraction cavity (54) is arranged inside the lower end of the sliding rod (10), positioning grooves (511) are symmetrically arranged at the upper ends of the contraction cavity (54), a positioning cavity (510) is arranged at the upper end of the connecting grooves (57), the conductive copper plate (55) is in sliding connection with the connecting grooves (57), second springs (56) are symmetrically arranged at the two sides of the lower end of the conductive copper plate (55, one end of the second spring (56) is fixedly connected with the conductive copper plate (55), the other end of the second spring (56) is fixedly connected with the lower side wall of the connecting groove (57), the upper end of the vertical rod (52) is slidably connected with the shrinkage cavity (54), the upper end surface of the vertical rod (52) and the upper side wall of the shrinkage cavity (54) are respectively and fixedly connected with a first electromagnet (59), the first electromagnet (59) is electrically connected with the button (12), the upper end surface of the vertical rod (52) is also fixedly connected with one end of a first spring (58), the other end of the first spring (58) is fixedly connected with the upper side wall of the shrinkage cavity (54), the positioning rod (512) is movably connected with the positioning groove (511), the bottom end of the positioning rod (512) is slidably connected with the positioning cavity (510), the bottom end surface of the positioning rod (512) is fixedly connected with one end of a third spring (513), and the other end of the third spring (513) is fixedly connected with the bottom side wall of the positioning cavity (510), the bottom side wall of the positioning cavity (510) is fixedly connected with a second electromagnet, the conductive copper plate (55) is electrically connected with the second electromagnet, and the conductive block (53) is electrically connected with a power supply.
3. The elevating headrest for heads of claim 2, wherein: locking mechanism (6) is including locking end (61), catch bar (64), check lock lever (66) and unblock pole (610), locking end (61) is towards the terminal surface of dwang (9) and the one end fixed connection of dwang (9), and locking end (61) is equipped with rectangular channel (62) towards the terminal surface of slip end (8), the inside symmetry of lateral wall is equipped with cavity (67) about rectangular channel (62), and the inside of lateral wall is equipped with inner chamber (63) on rectangular channel (62), the bottom and cavity (67) sliding connection of check lock lever (66), the front end and the locking groove (15) swing joint of check lock lever (66), the bottom end face of check lock lever (66) and the one end fixed connection of fourth spring (68), the other end and the bottom side wall fixed connection of cavity (67) of fourth spring (68), the bottom side wall of cavity (67) still with third electro-magnet (67) fixed connection, the utility model discloses a novel mechanical lock, including catch bar (64), catch bar (64) and inner chamber (63) sliding connection, the inside of catch bar (64) is equipped with cushion chamber (65), the intermediate position of lateral wall is equipped with screw hole (611) on inner chamber (63), unblock pole (610) and screw hole (611) threaded connection, the one end and cushion chamber (65) sliding connection of unblock pole (610), the part cover that unblock pole (610) is located inner chamber (63) has fifth spring (612), the one end of fifth spring (612) and the upper end fixed connection of inner chamber (63), the other end of fifth spring (612) and the terminal surface fixed connection of catch bar (64), the left and right sides symmetry of catch bar (64) is equipped with gangbar (614), gangbar (614) and inner chamber (63) sliding connection, upper position that gangbar (614) are towards the side of catch bar (64) is equipped with boss (613), another side and sixth spring (615) one end fixed connection of gangbar (614), the other end of the sixth spring (615) is fixedly connected with the side wall of the inner cavity (63), bosses (613) on two sides of the push rod (64) are respectively and electrically connected with the positive electrode and the negative electrode of the third electromagnet (69), conductive copper sheets are arranged on two sides of the end part of the push rod (64), and the conductive copper sheets on two sides of the end part of the push rod (64) are respectively and electrically connected with the positive electrode and the negative electrode of the power supply.
4. The elevating headrest for heads of claim 1, wherein: hinge mechanism (7) are including lower articulated plate (71), go up articulated plate (72) and fixed plate (73), articulated plate (71) are fixed down in the edge of the up end of back (2) towards base (1), lower articulated plate (71) towards the top edge of base (1) with last articulated plate (72) articulated, the inside of going up articulated plate (72) is equipped with opening ascending bracing plate groove (75), fixed plate (73) and back cushion (4) are towards one side fixed connection of back (2), the lower terminal surface and the fagging (74) fixed connection of fixed plate (73), fagging (74) and fagging groove (75) swing joint.
5. The elevating headrest for heads of claim 1, wherein: one side of the backrest (2) facing the base (1) is provided with a back cushion (3), and the thickness of the back cushion (3) is equal to that of the back cushion (4).
6. The elevating headrest for heads of claim 1, wherein: the length of the placing groove (11) is larger than the sum of the length of the rotating rod (9) and the length of the locking mechanism (6).
7. The elevating headrest for heads of claim 2, wherein: the depth of the sliding groove (13) is larger than the sum of the length of the sliding rod (10) and the height of the bottom plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262801.XA CN109349858B (en) | 2018-10-27 | 2018-10-27 | Head over-and-under type back cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262801.XA CN109349858B (en) | 2018-10-27 | 2018-10-27 | Head over-and-under type back cushion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109349858A CN109349858A (en) | 2019-02-19 |
| CN109349858B true CN109349858B (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811262801.XA Active CN109349858B (en) | 2018-10-27 | 2018-10-27 | Head over-and-under type back cushion |
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| CN (1) | CN109349858B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113186805B (en) * | 2021-04-13 | 2022-12-13 | 山东大成钢结构工程有限公司 | Prefabricated member of steel structure of assembled bridge |
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| CN202445590U (en) * | 2012-02-13 | 2012-09-26 | 徐文红 | Automatic bed head adjusting device |
| CN107848625A (en) * | 2015-03-31 | 2018-03-27 | 祖迪雅克座椅美国有限责任公司 | The headrest adjustable that laterally can be leaned on and hide |
| CN106361048A (en) * | 2016-11-08 | 2017-02-01 | 锐迈机械科技（吴江）有限公司 | Sofa headrest driving device |
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| CN109349858A (en) | 2019-02-19 |
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Address after: 331 tangling Guquan Road, Qiaocheng District, Bozhou City, Anhui Province, 236800 Patentee after: ANHUI HAOSHENG WOOD INDUSTRY Co.,Ltd. Address before: 236000 313, building 17, electronic industrial park, Linquan Economic Development Zone, Fuyang City, Anhui Province Patentee before: ANHUI HAOSHENG WOOD INDUSTRY Co.,Ltd. |