CN112353158B - High-stability multifunctional lifting chair for old people - Google Patents
High-stability multifunctional lifting chair for old people Download PDFInfo
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- CN112353158B CN112353158B CN202011404426.5A CN202011404426A CN112353158B CN 112353158 B CN112353158 B CN 112353158B CN 202011404426 A CN202011404426 A CN 202011404426A CN 112353158 B CN112353158 B CN 112353158B
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- wall
- block
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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
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs Characterized By Structure (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses a high-stability multifunctional lifting chair for old people, which relates to the technical field of lifting chair equipment for the old people and comprises a base, a first cavity, a hydraulic cylinder, a supporting rod, a fixed block, a base, a backrest, a connecting rod, a push rod, a movable block, a second cavity, a first rack, a supporting frame, a roller, a limiting block, a reset spring, a first gear, a second rack, a first sliding block, a second sliding block, a first compression spring, an annular turntable, a first through groove, a magnet, an electromagnet, a switch, a third cavity, a fourth cavity, a second gear, a third rack, a second compression spring, a pull rod, a limiting hole, a moving block and an extension spring. When the base rises, the movable blocks are mutually far away, the supporting effect of the device is enhanced, the rollers are automatically retracted when the base is fixed, the base is in contact with the ground, the supporting effect of the device is enhanced, and when the backrest rotates, the positions of the base and the backrest are adjusted, so that the gravity center of the device is unchanged, and the stability of the device is ensured.
Description
Technical Field
The invention relates to the technical field of lifting chair equipment for old people, in particular to a high-stability multifunctional lifting chair for the old people.
Background
With the continuous development of the economy and society, the population is increasingly aged, however, the household market of the old is still blank, and special household products suitable for the old are difficult to buy in the market. Elderly people have difficulty in moving in daily life due to the aging and the progressive decline of body. The lifting chair is a novel chair, and the seat board can be lifted so as to adapt to the sitting posture or standing posture of people with different heights. The old people need to select the lifting chair with higher safety for use because of inconvenient actions of the old people when selecting the lifting chair.
The existing multifunctional old man lifting chair is weak in supporting effect on the base when being used, stability of the whole structure of the lifting chair is affected, and therefore safety of the device is affected.
Disclosure of Invention
The invention aims to provide a high-stability multifunctional lifting chair for old people, which solves the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a multi-functional old man's lift chair of high stability, includes the base, the inside first cavity that has seted up of base, first cavity inner wall bottom is equipped with the pneumatic cylinder, the pneumatic cylinder top is equipped with the bracing piece, bracing piece one end extends to the base top to be connected with the fixed block, the fixed block top is equipped with sliding connection's base, base outer wall one side is equipped with the back of rotating the connection, the base outside is equipped with supporting mechanism, the inside balance mechanism that is equipped with of base.
Further, the supporting mechanism comprises a connecting rod, the connecting rod is symmetrically arranged at two sides of the bottom of the supporting rod, the connecting rod is rotationally connected with the supporting rod, push rods which are in sliding connection are symmetrically arranged at two sides of the inner wall of the first cavity, one ends of the two push rods are respectively rotationally connected with the two connecting rods, the other ends of the two push rods extend to the outer side of the base and are sleeved with movable blocks, a second cavity is formed in the bottom of the movable blocks, a first rack which is in sliding connection is arranged on one side, close to the base, of the inner wall of the second cavity, one end of the first rack extends to the lower side of the movable block and is provided with a supporting frame, a roller which is rotationally connected is arranged at the bottom of the supporting frame, the other end of the first rack extends to the upper side of the movable block and is provided with a limiting block, one end of the limiting block is provided with a reset spring which is fixedly connected with the top of the movable block, the first gear is meshed with the first rack, a second rack is connected with the first rack in a sliding way on one side of the inner wall of the second cavity, which is far away from the first rack, the second rack is meshed with the first gear, a first sliding block and a second sliding block are connected with one side of the outer wall of the second cavity, which is far away from the base, the first sliding block is fixedly connected with the second rack, the second sliding block is positioned below the first sliding block, a first compression spring is arranged at the bottom of the first sliding block, the first compression spring is fixedly connected with the top of the second sliding block, an annular rotary table connected in a rotating way is sleeved on the upper part of the second cavity in a matching way on the outer wall of the base, a plurality of first through grooves matched with the limiting blocks are formed in the top of the annular rotary table, the support frame top is equipped with magnet, second cavity inner wall one side in magnet top is equipped with the electro-magnet, magnet with the magnetism of the adjacent one side of electro-magnet outer wall is the same, base outer wall one side is equipped with the switch, the switch with electro-magnet electric connection.
Further, the sliding groove matched with the push rod is formed in the base, so that the movement direction of the push rod is limited, and the stability of the push rod when driving the movable block to move is ensured.
Further, the second cavity inner wall is provided with a first sliding rail matched with the first rack, so that the movement direction of the first rack is limited, and the stability of the roller in up-and-down movement is ensured.
Further, the outer wall of the base is sleeved with ball bearings matched with the annular rotary table, and the ball bearings are arranged to replace rotation, so that the annular rotary table is ensured to rotate smoothly.
Further, the rubber blocks are arranged at the bottoms of the second sliding blocks in a matching mode, friction force between the second sliding blocks and the ground is increased, the base is prevented from moving left and right, and stability of the device is guaranteed.
Further, the second sliding rail matched with the first sliding block is arranged on the outer wall of the movable block, so that the movement direction of the first sliding block is limited, and the stability of the first sliding block when the first sliding block drives the second sliding block to move is ensured.
Further, the balance mechanism includes the third cavity, the third cavity set up in base outer wall bottom, the fixed block with third cavity inner wall top sliding connection, the base inside in the fourth cavity has been seted up to back below, back the outer wall in the inside cover of fourth cavity is equipped with the second gear, fourth cavity inner wall one side is equipped with the third gear that rotates to be connected, the third gear with second gear assorted, fourth cavity bottom is equipped with sliding connection's third rack, third rack one end extends to third cavity inside and with fixed block fixed connection, the fixed block is close to back one side and is equipped with the second compression spring, the second compression spring other end with third cavity inner wall sliding connection, the base outer wall in fixed block one side is equipped with sliding connection's pull rod, pull rod one end extends to inside the third cavity, the fixed block outer wall be close to one side pull rod one side set up a plurality of with pull rod assorted spacing hole, the third rack one end extends to the third cavity inside and with fixed block fixed connection, the second compression spring other end is equipped with the base one side is close to the other end, the base is equipped with the extension spring one side.
Further, an auxiliary rod is horizontally arranged on one side of the inner wall of the third cavity, the auxiliary rod is in sliding connection with the fixed block, the moving direction of the fixed block is limited, and the stability of the base during left-right movement is guaranteed.
Further, the second through groove matched with the third rack is formed in the base, so that the movement direction of the third rack is limited, and the stability of the third rack when driving the base to move is guaranteed.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, after a required position is selected by arranging the push rod, the movable block, the first rack, the first gear and the second slider, the annular turntable is rotated, so that the first through groove is aligned with the limiting block, the gravity of the device overcomes the elasticity of the reset spring, the whole device moves downwards, the roller and the support frame move to the inside of the second cavity, the base is contacted with the bottom of the movable block and the ground, the first rack moves upwards to drive the second rack to move downwards through the first gear, the first slider moves downwards along with the first rack to drive the second slider to move downwards, the first compression spring is compressed, the friction force between the second slider and the ground is increased, the stability of the device is ensured, when the base rises, the support rod drives the connecting rod to move, the push rod is driven to move, the two movable blocks move away from the base, the distance between the two movable blocks is more and more along with the rising of the base, the played stabilizing effect is stronger, the repulsive force is larger and stronger, the elasticity of the reset spring is larger than the gravity of the whole device when the position is required to be replaced, the whole device is required to move upwards, the roller is pushed to move upwards, and the annular turntable is contacted with the limiting block to the position is pushed upwards to be replaced.
2. According to the invention, the third gear, the third rack, the third cavity and the pull rod are arranged, the pull rod is pulled to be far away from the limiting hole, the fixed block is in sliding connection with the third cavity again, when the backrest rotates rightwards, the gravity center of the device is offset rightwards, the second gear is driven to move, the third gear moves along with the second gear, when the third rack is driven to move, the fixed block and the base are driven to move relatively, the fixed block is fixed in position, all the bases drive the backrest to move leftwards, the gravity center of the device is moved to the original position again, the influence of gravity center offset on the stability of the device is avoided, and the working effect of the device is ensured.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a front cross-sectional view of the entirety of the present invention;
FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the present invention at B in FIG. 1;
FIG. 4 is a front cross-sectional view of the movable block in another operational state of the present invention;
FIG. 5 is a top view of the annular turntable of the present invention;
FIG. 6 is a side view of the base of the present invention;
FIG. 7 is an enlarged schematic view of the present invention at C in FIG. 1;
in the figure: 1. a base; 2. a first cavity; 3. a hydraulic cylinder; 4. a support rod; 5. a fixed block; 6. a base; 7. a backrest; 8. a connecting rod; 9. a push rod; 10. a movable block; 11. a second cavity; 12. a first rack; 13. a support frame; 14. a roller; 15. a limiting block; 16. a return spring; 17. a first gear; 18. a second rack; 19. a first slider; 20. a second slider; 21. a first compression spring; 22. an annular turntable; 23. a first through groove; 24. a magnet; 25. an electromagnet; 26. a switch; 27. a third cavity; 28. a fourth cavity; 29. a second gear; 30. a third gear; 31. a third rack; 32. a second compression spring; 33. a pull rod; 34. a limiting hole; 35. a moving block; 36. and (5) stretching the spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a high-stability multifunctional old man lift chair, includes base 1, first cavity 2 has been seted up to inside base 1, first cavity 2 inner wall bottom is equipped with pneumatic cylinder 3, pneumatic cylinder 3 top is equipped with bracing piece 4, bracing piece 4 one end extends to base 1 top to be connected with fixed block 5, fixed block 5 top is equipped with sliding connection's base 6, base 6 outer wall one side is equipped with the back 7 of rotation connection, base 1 outside is equipped with supporting mechanism, supporting mechanism includes connecting rod 8, connecting rod 8 symmetry set up in bracing piece 4 bottom both sides, connecting rod 8 with bracing piece 4 rotates to be connected, first cavity 2 inner wall bilateral symmetry is equipped with sliding connection's push rod 9, two push rod 9 one end respectively with two connecting rod 8 rotates to be connected, two push rod 9 other ends extend to the base 1 outside and overlap and be equipped with movable block 10, second cavity 11 has been seted up to the fixed block 10 bottom, second cavity 11 inner wall is close to base 1 one side is equipped with sliding connection's first rack 12, first rack 12 is equipped with first rack 13 and the first rack 13 of being equipped with first rack-rest bar 10 and the first rack bar 16 is equipped with first rack bar 16, the first rack bar 16 is connected to one side of extension, first rack bar 16 is equipped with first rack bar 16, the top is equipped with the movable connection, first rack bar 16 is equipped with one side of rack bar 16 is equipped with the rack bar 17 and is connected to one side of extension, and is equipped with the top of rack bar is 16, the second rack 18 is meshed with the first gear 17, a first slide block 19 and a second slide block 20 which are in sliding connection are arranged on one side, away from the base 1, of the outer wall of the second cavity 11, the first slide block 19 is fixedly connected with the second rack 18, the second slide block 20 is located below the first slide block 19, a first compression spring 21 is arranged at the bottom of the first slide block 19, the first compression spring 21 is fixedly connected with the top of the second slide block 20, an annular rotary disc 22 which is in rotary connection is sleeved on the outer wall of the base 1 above the second cavity 11 in a matched mode, a plurality of first through grooves 23 which are matched with the limiting blocks 15 are formed in the top of the annular rotary disc 22, a magnet 24 is arranged on the top of the supporting frame 13, an electromagnet 25 is arranged above the magnet 24 on one side of the inner wall of the second cavity 11, a switch 26 is arranged on one side, adjacent to the outer wall of the electromagnet 25, and the switch 26 is electrically connected with the electromagnet 25.
The sliding groove matched with the push rod 9 is formed in the base 1, so that the movement direction of the push rod 9 is limited, and the stability of the push rod 9 when driving the movable block 10 to move is ensured.
The inner wall of the second cavity 11 is provided with a first sliding rail matched with the first rack 12, so that the movement direction of the first rack 12 is limited, and the stability of the roller 14 during up-and-down movement is ensured.
The outer wall of the base 1 is sleeved with ball bearings matched with the annular turntable 22, and the rotation is replaced by arranging the ball bearings, so that the smoothness of the annular turntable 22 during rotation is ensured.
The rubber blocks are arranged at the bottoms of the second sliding blocks 20 in a matching mode, friction force between the second sliding blocks 20 and the ground is increased, the base 1 is prevented from moving left and right, and stability of the device is guaranteed.
The second sliding rail matched with the first sliding block 19 is arranged on the outer wall of the movable block 10, so that the movement direction of the first sliding block 19 is limited, and the stability of the first sliding block 19 when driving the second sliding block 20 to move is ensured.
The implementation mode specifically comprises the following steps: when in use, through arranging the push rod 9, the movable block 10, the first rack 12, the first gear 17 and the second slide block 20, when in operation, the roller 14 is positioned below the base 1, the device is manually pushed to a required place, after the position is selected, the annular turntable 22 is manually rotated to align the first through groove 23 with the limiting block 15, at the moment, the limiting block 15 can drive the first rack 12 to pass through the first through groove 23, the gravity of the device overcomes the elasticity of the return spring 16 due to the gravity of the device, the first rack 12 drives the support frame 13 to move, the roller 14 moves along with the roller 14, the roller 14 is relatively close to the second cavity 11 until the roller 14 is completely retracted into the second cavity 11, the integral height of the device is reduced, the base 1 and the bottom of the movable block 10 are simultaneously contacted with the ground, the first rack 12 drives the first gear 17 to rotate, the second rack 18 moves downwards along with the first rack 12, the first slide block 19 is driven to move downwards, the first slide block 19 drives the second slide block 20 to move downwards through the first compression spring 21, after the second slide block 20 contacts the ground, the first slide block 19 continues to move downwards, the first compression spring 21 is compressed, the pressure between the second slide block 20 and the ground is increased, so that the friction force between the two is increased, the stability of the base 1 is ensured, when the hydraulic cylinder 3 starts to work, the supporting rod 4 is pushed to rise, the connecting rod 8 is driven to move, the push rod 9 is driven to move, the movable block 10 moves along the direction away from the base 1, the distance between the two movable blocks 10 is further and further along with the rising of the height of the base 6 within a certain range, the working range is gradually enlarged, the working range of the movable block 10 is gradually enlarged when the lifting chair rises, the supporting effect is gradually increased, the device is prevented from inclining due to the rising of the base 6, the stability of the device is guaranteed, when the device needs to be replaced, the switch 26 is pressed, the electromagnet 25 starts to work, the magnets 24 and one side adjacent to the outer wall of the electromagnet 25 are the same in magnetism, repulsive force is generated between the magnets, the second cavity 11 and the support frame 13 are driven to be relatively far away, when the sum of the repulsive force and the elastic force of the reset spring 16 is larger than the gravity of the device, the roller 14 moves in the direction away from the second cavity 11, after the movement is finished, the annular turntable 22 rotates to enable the first through groove 23 to be not aligned with the limiting block 15 any more, the switch 26 is closed, the annular turntable 22 has a limiting effect on the limiting block 15, the roller 14 is in contact with the ground again, the base 1 and the movable block 10 are not in contact with the ground any more, and the device can be pushed to replace the position again.
Referring to fig. 1 and 7, the present invention provides the following technical solutions: the utility model provides a high-stability's multi-functional old man lift chair, still including set up in the inside balance mechanism of base 6, balance mechanism includes third cavity 27, third cavity 27 set up in base 6 outer wall bottom, fixed block 5 with third cavity 27 inner wall top sliding connection, base 6 inside in lean against 7 below and seted up fourth cavity 28, lean against 7 outer wall in fourth cavity 28 inside cover is equipped with second gear 29, fourth cavity 28 inner wall one side is equipped with the third gear 30 of swivelling joint, third gear 30 with second gear 29 assorted, fourth cavity 28 bottom is equipped with sliding connection's third rack 31, third rack 31 one end extends to third cavity 27 is inside and with fixed block 5 fixed connection, fixed block 5 is close to lean against 7 one side and is equipped with second compression spring 32, the second compression spring 32 other end with third cavity 27 inner wall sliding connection, base 6 outer wall in fixed block 5 one side is equipped with second gear 29, third gear 30 with one side is equipped with the slider 33 in the fixed block 33 is equipped with to the second tension spring 33, the other end is equipped with a plurality of tension spring 33 in the base 35 is connected to one side is close to the outer wall 35, and is equipped with the extension spring 33.
An auxiliary rod is horizontally arranged on one side of the inner wall of the third cavity 27 and is in sliding connection with the fixed block 5, so that the movement direction of the fixed block 5 is limited, and the stability of the base 6 during the left-right movement is ensured.
The second through groove matched with the third rack 31 is formed in the base 6, so that the movement direction of the third rack 31 is limited, and the stability of the third rack 31 when driving the base 6 to move is ensured.
The implementation mode specifically comprises the following steps: when in use, through arranging the third gear 30, the third rack 31, the third cavity 27 and the pull rod 33, in the working process, if the old needs to adjust the angle of the backrest 7, the gravity center of the device is easy to change, the stability of the device is reduced, the moving block 35 is manually pulled to drive the pull rod 33 to move, the pull rod 33 slides out of the limit hole 34 in the fixed block 5, the fixed block 5 is in sliding connection with the third cavity 27 again to push the backrest 7 to change the angle, the second gear 29 is driven to start rotating, the third gear 30 rotates along with the second gear, the third rack 31 is driven to move rightwards, the fixed block 5 moves along with the base 6, and the fixed block 5 moves relatively due to the fixed position of the fixed block 5, the base 6 drives the backrest 7 to integrally move leftwards, the pull rod 33 is released, after the pull rod 33 is aligned with the other limiting hole 34, the extension spring 36 starts to work, the moving block 35 is pushed to move close to the base 6, the pull rod 33 is driven to move, the pull rod 33 slides into the other limiting hole 34, the relative position of the fixed block 5 and the base 6 is fixed, the position of the backrest 7 is fixed along with the fixed block, when the backrest 7 rotates rightwards, the integral gravity center of the device is shifted rightwards, the gravity center of the device is always kept in place by simultaneously moving the base 6 and the backrest 7 leftwards, and the gravity center shifting of the device is avoided by rotating the backrest 7, so that the position of the device is shifted, and the safety of the device is ensured.
The working principle of the invention is as follows:
referring to fig. 1-6 of the specification, by arranging the push rod 9, the movable block 10, the first rack 12, the first gear 17 and the second slider 20, after selecting a required position, rotating the annular turntable 22 to align the first through groove 23 with the limiting block 15, the gravity of the device overcomes the elastic force of the return spring 16, the whole device moves downwards, the roller 14 and the support frame 13 move to the inside of the second cavity 11, the base 1 contacts with the bottom of the movable block 10, the first rack 12 moves upwards to drive the second rack 18 to move downwards through the first gear 17, the first slider 19 moves downwards to drive the second slider 20 to move downwards, the first compression spring 21 is compressed, the friction force between the second slider 20 and the ground is increased, and the stability of the device is ensured, when the base 6 rises, the supporting rod 4 drives the connecting rod 8 to move, thereby driving the push rod 9 to move, the two movable blocks 10 move away from the base 1, in a certain range, along with the rising of the base 6, the distance between the two movable blocks 10 is more and more long, the stability effect is stronger and stronger, the device is prevented from inclining because of the rising of the base 6, the stability of the device is ensured, when the device needs to be replaced, the switch 26 is pressed, the repulsive force is generated by the electromagnet 25 and the magnet 24, the repulsive force plus the elastic force of the reset spring 16 is larger than the gravity of the device, the device integrally moves upwards, the roller 14 is contacted with the ground away from the second cavity 11, the rotating annular turntable 22 limits the limiting block 15, and the replacement position of the device can be pushed.
Further, referring to fig. 1 and 7 of the specification, by setting the third gear 30, the third rack 31, the third cavity 27 and the pull rod 33, the pull rod 33 is pulled to be far away from the limiting hole 34, the fixing block 5 is slidably connected with the third cavity 27 again, when the backrest 7 rotates rightwards, the gravity center of the device is offset rightwards, the second gear 29 is driven to move, the third gear 30 moves along with the second gear, the third rack 31 is driven to move, the fixing block 5 and the base 6 are driven to move relatively, the fixing block 5 is fixed, all the bases 6 drive the backrest 7 to move leftwards, the gravity center of the device is moved to the original position again, the influence of the gravity center offset on the stability of the device is avoided, and the working effect of the device is ensured.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a multi-functional old man's lift chair of high stability, includes base (1), its characterized in that: the novel multifunctional portable electric power generation device is characterized in that a first cavity (2) is formed in the base (1), a hydraulic cylinder (3) is arranged at the bottom of the inner wall of the first cavity (2), a supporting rod (4) is arranged at the top of the hydraulic cylinder (3), one end of the supporting rod (4) extends to the upper portion of the base (1) and is connected with a fixed block (5), a base (6) in sliding connection is arranged at the top of the fixed block (5), a backrest (7) in rotary connection is arranged on one side of the outer wall of the base (6), a supporting mechanism is arranged on the outer side of the base (1), and a balancing mechanism is arranged in the base (6);
the supporting mechanism comprises a connecting rod (8), the connecting rod (8) is symmetrically arranged on two sides of the bottom of the supporting rod (4), the connecting rod (8) is rotationally connected with the supporting rod (4), two push rods (9) which are in sliding connection are symmetrically arranged on two sides of the inner wall of the first cavity (2), one ends of the two push rods (9) are respectively rotationally connected with the two connecting rods (8), the two ends of the push rods (9) extend to the outer side of the base (1) and are sleeved with movable blocks (10), a second cavity (11) is formed in the bottom of the movable blocks (10), a first rack (12) which is in sliding connection is arranged on one side of the inner wall of the second cavity (11) close to the base (1), one end of the first rack (12) extends to the lower side of the movable blocks (10) and is provided with a supporting frame (13), the bottom of the supporting frame (13) is provided with a roller (14) which is in rotational connection, the other end of the first rack (12) extends to the upper side of the movable blocks (10) and is provided with a limiting block (15), the bottom of the limiting block (15) is provided with a reset spring (16), one side of the reset spring (16) is fixedly connected with the first rack (17) on one side of the first side of the movable blocks (17), the first gear (17) is meshed with the first rack (12), a second rack (18) which is in sliding connection is arranged on one side of the inner wall of the second cavity (11) far away from the first rack (12), the second rack (18) is meshed with the first gear (17), a first sliding block (19) and a second sliding block (20) which are in sliding connection are arranged on one side of the outer wall of the second cavity (11) far away from the base (1), the first sliding block (19) is fixedly connected with the second rack (18), the second sliding block (20) is positioned below the first sliding block (19), a first compression spring (21) is arranged at the bottom of the first sliding block (19), the first compression spring (21) is fixedly connected with the top of the second sliding block (20), a ring-shaped rotary table (22) which is in rotary connection is sleeved on the upper part of the second cavity (11) in a matching mode is arranged, a plurality of first through grooves (23) which are in the limiting blocks (15) are formed in the top of the ring-shaped rotary table (22), a plurality of magnets (24) are arranged on the top of the ring-shaped rotary table, magnets (22) are arranged on one side of the same as the first supporting frame (24) and the upper side of the second cavity (11) in a magnetic state, magnets (25) are arranged on one side of the electromagnet (25), a switch (26) is arranged on one side of the outer wall of the base (6), and the switch (26) is electrically connected with the electromagnet (25);
the balance mechanism comprises a third cavity (27), the third cavity (27) is arranged at the bottom of the outer wall of the base (6), the fixed block (5) is slidably connected with the top of the inner wall of the third cavity (27), a fourth cavity (28) is arranged in the base (6) below the backrest (7), a second gear (29) is sleeved on the outer wall of the backrest (7) in the fourth cavity (28), a third gear (30) which is rotationally connected is arranged on one side of the inner wall of the fourth cavity (28), the third gear (30) is matched with the second gear (29), a third rack (31) which is slidably connected is arranged at the bottom of the fourth cavity (28), one end of the third rack (31) extends into the third cavity (27) and is fixedly connected with the fixed block (5), a second compression spring (32) is arranged on one side of the fixed block (5) close to the backrest (7), a third gear (30) which is rotationally connected with the inner wall (29), a third rack (31) which is slidably connected with the fixed block (27) is arranged on one side of the base (33), the fixed block (5) outer wall is close to one side of the pull rod (33) and is provided with a plurality of limiting holes (34) matched with the pull rod (33), the other end of the pull rod (33) is sleeved with a moving block (35) outside the base (6), one side of the moving block (35) is close to the base (6) and is provided with an extension spring (36), and the other end of the extension spring (36) is fixedly connected with the outer wall of the base (6).
2. The high-stability multifunctional senior citizen lifting chair of claim 1 wherein: the inside of the base (1) is provided with a chute matched with the push rod (9).
3. The high-stability multifunctional senior citizen lifting chair of claim 1 wherein: the inner wall of the second cavity (11) is provided with a first sliding rail matched with the first rack (12).
4. The high-stability multifunctional senior citizen lifting chair of claim 1 wherein: the outer wall of the base (1) is sleeved with a ball bearing matched with the annular turntable (22).
5. The high-stability multifunctional senior citizen lifting chair of claim 1 wherein: rubber blocks are arranged at the bottoms of the second sliding blocks (20) in a matching mode.
6. The high-stability multifunctional senior citizen lifting chair of claim 1 wherein: the outer wall of the movable block (10) is provided with a second sliding rail matched with the first sliding block (19).
7. The high-stability multifunctional senior citizen lifting chair of claim 1 wherein: an auxiliary rod is horizontally arranged on one side of the inner wall of the third cavity (27), and the auxiliary rod is in sliding connection with the fixed block (5).
8. The high-stability multifunctional senior citizen lifting chair of claim 1 wherein: the base (6) is internally provided with a second through groove matched with the third rack (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011404426.5A CN112353158B (en) | 2020-12-03 | 2020-12-03 | High-stability multifunctional lifting chair for old people |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011404426.5A CN112353158B (en) | 2020-12-03 | 2020-12-03 | High-stability multifunctional lifting chair for old people |
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| CN112353158A CN112353158A (en) | 2021-02-12 |
| CN112353158B true CN112353158B (en) | 2023-09-08 |
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| CN202011404426.5A Active CN112353158B (en) | 2020-12-03 | 2020-12-03 | High-stability multifunctional lifting chair for old people |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112932134A (en) * | 2021-03-09 | 2021-06-11 | 陈勐一 | Office chair with inclination adjusting structure |
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| CN112353158A (en) | 2021-02-12 |
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