CN220275244U - Zero gravity zero leans on wall zero displacement's chair frame - Google Patents
Zero gravity zero leans on wall zero displacement's chair frame Download PDFInfo
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- CN220275244U CN220275244U CN202321429062.5U CN202321429062U CN220275244U CN 220275244 U CN220275244 U CN 220275244U CN 202321429062 U CN202321429062 U CN 202321429062U CN 220275244 U CN220275244 U CN 220275244U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 33
- 238000005096 rolling process Methods 0.000 claims description 4
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- 238000000034 method Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a zero gravity zero wall-leaning zero displacement chair frame, wherein a track is arranged on a base assembly, the front end of the track is higher than the rear end of the track, and a seat frame assembly is slidably connected in the track; one end of the backrest connecting rod assembly is hinged to the rear end of the seat frame assembly; the front end of the seat frame assembly is provided with a leg supporting assembly, the root of the leg supporting assembly is provided with a front connecting supporting rod, and the front connecting supporting rod can rotate forwards around the hinge axis of the leg supporting assembly; the fixed end of the first reciprocating driving assembly is hinged to the rear end of the base assembly, and the telescopic end of the first reciprocating driving assembly is hinged to the rear end of the seat frame assembly; the fixed end of the second reciprocating driving assembly is hinged to the middle part of the rear end of the backrest connecting rod assembly, and the telescopic end of the second reciprocating driving assembly is hinged to the middle part of the seat frame assembly; the fixed end of the third reciprocating movement driving assembly is hinged to the middle of the seat frame assembly, and the telescopic end of the third reciprocating movement driving assembly is hinged to the middle of the front connecting support rod.
Description
Technical Field
The utility model relates to the technical field of sofas, in particular to a zero gravity zero-leaning wall zero-displacement chair frame.
Background
The functional sofa in the current market needs to be placed by a certain distance, so that the requirement on the use space is greatly increased, and a real zero-leaning wall sofa does not exist, wherein the zero-leaning wall refers to that the distance between a backrest and a wall surface is zero, and the backrest can be directly laid down when the sofa is used. The market lacks of zero force sofa, and zero gravity can make the people be in the state of relaxing. At present, the sofa in the market has a pulling phenomenon, when the lying angle of the backrest is increased, the distance between the backrest and the cushion is further and further increased, when a person leans against the backrest, the backrest and the back of the person generate relative motion, so that the phenomenon of pulling clothes is caused, and the person generates extreme uncomfortable feeling.
The device which combines pain points in the current market, realizes zero wall leaning, zero gravity and zero displacement and has no dragging phenomenon between the backrest and the back of a human body needs to be developed.
Disclosure of Invention
Therefore, the utility model provides a zero gravity zero wall-leaning zero displacement chair frame to solve the problems in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
according to a first aspect of the utility model, a zero gravity zero wall zero displacement chair frame comprises a track, a first reciprocating drive assembly, a second reciprocating drive assembly, a third reciprocating drive assembly, a seat frame assembly, a base assembly, a backrest connecting rod assembly, a front connecting support rod and a leg support assembly;
the track is arranged on the base assembly, the front end of the track is higher than the rear end of the track, and the seat frame assembly is in sliding connection with the track;
one end of the backrest connecting rod assembly is hinged to the rear end of the seat frame assembly;
the front end of the seat frame assembly is provided with the leg support assembly, the root of the leg support assembly is provided with the front connecting support rod, and the front connecting support rod can rotate forwards around the hinge axis of the leg support assembly;
the fixed end of the first reciprocating driving assembly is hinged to the rear end of the base assembly, and the telescopic end of the first reciprocating driving assembly is hinged to the rear end of the seat frame assembly;
the fixed end of the second reciprocating driving assembly is hinged to the middle part of the rear end of the backrest connecting rod assembly, and the telescopic end of the second reciprocating driving assembly is hinged to the middle part of the seat frame assembly;
the fixed end of the third reciprocating movement driving assembly is hinged to the middle of the seat frame assembly, and the telescopic end of the third reciprocating movement driving assembly is hinged to the middle of the front connecting support rod.
Further, the base assembly comprises a base and a rear fixing rod; the rear fixed rod is fixed on the base, the rear end of the track is fixed on the rear fixed rod, and the fixed end of the first reciprocating driving assembly is hinged to the middle part of the rear fixed rod;
the seat frame assembly comprises a front fixing rod and a seat frame, the front end of the seat frame is provided with the leg supporting assembly, the seat frame is slidably connected in the track, the front fixing rod is fixed in the middle of the seat frame, the telescopic end of the first reciprocating driving assembly is hinged to the rear end of the seat frame, the telescopic end of the second reciprocating driving assembly is hinged to the middle of the front fixing rod, and the fixed end of the third reciprocating driving assembly is hinged to the middle of the front fixing rod;
the backrest connecting rod assembly comprises a first connecting rod and a second connecting rod, the end part of the first connecting rod is fixed with the lower end of the second connecting rod, the upper end of the second connecting rod is hinged to the upper part of the rear end of the seat frame, and the fixed end of the second reciprocating movement driving assembly is hinged to the middle part of the first connecting rod.
Further, the track is an angled track with an obtuse angle;
or, the track is a curved track in the shape of a circular arc.
Further, an included angle is formed between a connecting line between the highest point of the front end of the track and the lowest point of the rear end of the track and the horizontal plane, so that the seat frame and the horizontal plane are at any angle between 0 and 40 degrees.
Further, the seat frame assembly further comprises a front roller and a rear roller, the front roller is rotatably arranged in the middle of the seat frame, the rear roller is rotatably arranged at the rear end of the seat frame, and the front roller and the rear roller are simultaneously connected in the track in a rolling manner; the number of the front rollers of each seat frame is at least one, and the number of the rear rollers of each seat frame is at least one.
Further, the seat frame assembly further comprises a connecting rod protruding portion, the connecting rod protruding portion protrudes upwards from the rear end of the seat frame, and the upper end of the second connecting rod is hinged to the upper end of the connecting rod protruding portion.
Further, the first reciprocating driving assembly is any one of a nut screw type electric push rod, a rack and pinion type electric push rod, an air cylinder and a hydraulic cylinder.
Further, the second reciprocating driving assembly is any one of a nut screw type electric push rod, a rack and pinion type electric push rod, an air cylinder and a hydraulic cylinder.
Further, the third reciprocating driving assembly is any one of a nut screw type electric push rod, a gear rack type electric push rod, an air cylinder and a hydraulic cylinder.
Further, the leg support assembly includes a third link, a fourth link, a fifth link, a sixth link, a seventh link, and a leg mounting plate; the rear end of the third connecting rod is hinged to the front end of the seat frame, the rear end of the fourth connecting rod is hinged to the front end of the seat frame, and the fourth connecting rod is located above the third connecting rod; the rear end of the fifth connecting rod is hinged to the front end of the third connecting rod, and the middle part of the fifth connecting rod is hinged to the middle part of the fourth connecting rod in a crossed manner; the rear end of the sixth connecting rod is hinged to the front end of the fourth connecting rod, the front end of the fifth connecting rod and the front end of the sixth connecting rod are both hinged to the leg mounting plate, and the seventh connecting rod is hinged to the middle of the sixth connecting rod.
Further, the device also comprises a rear connecting lug, wherein the rear connecting lug is fixed in the middle of the rear fixing rod, and the fixed end of the first reciprocating driving assembly is hinged to the rear connecting lug;
the front connecting lug is fixed in the middle of the front connecting support rod, and the telescopic end of the second reciprocating driving assembly is hinged to the front connecting lug.
The utility model has the following advantages: the three push rod motors of the first reciprocating driving assembly, the second reciprocating driving assembly and the third reciprocating driving assembly have the greatest advantages that the three push rod motors can be controlled independently more humanized, the required states of people can be achieved, for example, the leg connecting rod mechanisms can be stretched or contracted in any state, the seat frame can be moved forwards in any state, and zero-leaning wall zero gravity is achieved; the backrest can be used only on the premise that the seat frame moves forward.
Drawings
Fig. 1 is a plan view of an expanded state of a zero gravity zero wall zero displacement chair frame according to some embodiments of the present utility model.
Fig. 2 is a perspective view of an unfolded state of a chair frame with zero gravity and zero wall-leaning zero displacement according to some embodiments of the present utility model.
Fig. 3 is a perspective view of a chair frame in a retracted state with zero gravity and zero wall proximity and zero displacement according to some embodiments of the present utility model.
Fig. 4 is a plan view of a retracted state of a zero gravity zero wall zero displacement chair frame according to some embodiments of the present utility model.
Fig. 5 is a partially exploded side view of a zero gravity zero wall zero displacement chair frame according to some embodiments of the present utility model.
Fig. 6 is a partially exploded top view of a zero gravity zero wall zero displacement chair frame according to some embodiments of the present utility model.
Fig. 7 is a top view of a retracted state of a zero gravity zero wall zero displacement chair frame according to some embodiments of the present utility model.
Fig. 8 is a schematic view illustrating an expanded leg support assembly of a zero gravity zero wall zero displacement chair frame according to some embodiments of the present utility model.
In the figure: 1. the device comprises a track, 2, a front fixed rod, 201, a first reciprocating driving assembly, 202, a second reciprocating driving assembly, 203, a third reciprocating driving assembly, 3, a seat frame, 4, a rear fixed rod, 5, a front connecting support rod, 6, a connecting rod protruding part, 7, a first connecting rod, 8, a second connecting rod, 9, a cushion, 10, a leg pad, 11, a back pad, 12, a front roller, 13, a rear roller, 14, a third connecting rod, 15, a fourth connecting rod, 16, a fifth connecting rod, 17, a sixth connecting rod, 18, a seventh connecting rod, 19, a leg mounting plate, 20 and a base.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 8, a zero gravity zero wall zero displacement chair frame in the first aspect of the present utility model includes a track 1, a first reciprocating driving assembly 201, a second reciprocating driving assembly 202, a third reciprocating driving assembly 203, a seat frame assembly, a base assembly, a backrest link assembly, a front connection support bar 5 and a leg support assembly; the track 1 is arranged on the base assembly, the front end of the track 1 is higher than the rear end of the track 1, and the base frame assembly is slidably connected in the track 1; one end of the backrest connecting rod assembly is hinged to the rear end of the seat frame assembly; the front end of the seat frame assembly is provided with a leg supporting assembly, the root of the leg supporting assembly is provided with a front connecting supporting rod 5, and the front connecting supporting rod 5 can rotate forwards around the hinge axis of the leg supporting assembly; the fixed end of the first reciprocating driving assembly 201 is hinged at the rear end of the base assembly, and the telescopic end of the first reciprocating driving assembly 201 is hinged at the rear end of the seat frame assembly; the fixed end of the second reciprocating driving assembly 202 is hinged in the middle of the rear end of the backrest connecting rod assembly, and the telescopic end of the second reciprocating driving assembly 202 is hinged in the middle of the seat frame assembly; the fixed end of the third reciprocating driving assembly 203 is hinged at the middle part of the seat frame assembly, and the telescopic end of the third reciprocating driving assembly 203 is hinged at the middle part of the front connecting support rod 5.
It should be emphasized that the sliding connection referred to in this embodiment includes rollers, ball tracks and any other structure that can achieve a sliding connection in the track 1, as will be appreciated by those skilled in the art.
In the above embodiment, it should be noted that, the leg support assembly may adopt a specific link structure as shown in the drawings, or may adopt other link structures besides the drawings, and may be any link structure capable of realizing the action of the leg pad.
Working principle:
one end of the first reciprocating driving assembly 201 is installed on the rear fixing rod 4, and the other end of the first reciprocating driving assembly is installed on the seat frame and mainly takes charge of the forward movement of the whole seat frame assembly; one end of the second reciprocating driving assembly 202 is arranged on the first connecting rod 7, the other end is arranged on the front fixed rod 2, when the second reciprocating driving assembly 202 stretches, the second connecting rod 8 is driven to move, and the backrest is arranged on the second connecting rod 8, so that the backrest is driven to move; one end of the third reciprocating driving assembly 203 is mounted on the front fixing rod 2, and the other end is mounted on the front connecting support rod 5, mainly responsible for the movement of the leg link assembly.
The technical effects achieved by the embodiment are as follows: the three-push rod motor of the first reciprocating driving assembly 201, the second reciprocating driving assembly 202 and the third reciprocating driving assembly 203 has the greatest advantages that the three-push rod motor can be controlled independently more humanized, the required states of people can be achieved, for example, the leg connecting rod mechanism can be stretched or contracted in any state, the seat frame can be moved forwards in any state, and zero wall-leaning zero gravity is achieved; the backrest can be used only on the premise that the seat frame moves forward.
Example 2
As shown in fig. 1 to 8, a zero gravity zero wall zero displacement chair frame comprises the whole contents of embodiment 1, in addition to which the base assembly comprises a base 20 and a rear fixing rod 4; the rear fixing rod 4 is fixed on the base 20, the rear end of the track 1 is fixed on the rear fixing rod 4, and the fixed end of the first reciprocating driving assembly 201 is hinged to the middle of the rear fixing rod 4.
Optionally, the seat frame assembly includes front dead lever 2 and seat frame 3, and the front end of seat frame 3 is provided with shank supporting component, and seat frame 3 sliding connection is fixed with front dead lever 2 in track 1 in the middle part of seat frame 3, and the flexible end of first reciprocating drive assembly 201 articulates the rear end of seat frame 3, and the flexible end of second reciprocating drive assembly 202 articulates at the middle part of front dead lever 2, and the stiff end of third reciprocating drive assembly 203 articulates at the middle part of front dead lever 2.
Alternatively, the backrest link assembly includes a first link 7 and a second link 8, the end of the first link 7 is fixed to the lower end of the second link 8, the upper end of the second link 8 is hinged to the upper portion of the rear end of the seat frame 3, and the fixed end of the second reciprocating drive assembly 202 is hinged to the middle of the first link 7.
Example 3
As shown in fig. 1 to 8, a zero gravity zero wall zero displacement chair frame comprises the whole contents of embodiment 2, except that the track 1 is an angled track with an obtuse angle; or, the track 1 is a curved track of circular arc shape.
Optionally, an included angle is formed between the connecting line between the highest point of the front end of the track 1 and the lowest point of the rear end of the track 1 and the horizontal plane, so that the seat frame 3 and the horizontal plane are at any angle between 0 and 40 degrees; the specific angle is set according to actual requirements.
The technical effects achieved by the embodiment are as follows: by both types of rails 1 of the present embodiment, it is ensured that the sofa can stably slide to a zero gravity state.
Example 4
As shown in fig. 1 to 8, a zero gravity zero wall zero displacement chair frame comprises the whole content of embodiment 3, and in addition, a front roller 12 and a rear roller 13, wherein the front roller 12 is rotatably arranged in the middle of the seat frame 3, the rear roller 13 is rotatably arranged at the rear end of the seat frame 3, and the front roller 12 and the rear roller 13 are simultaneously connected in a rolling way in the track 1; specifically, the front roller 12 and the rear roller 13 are simultaneously connected to the side or top of the track 1 in a rolling manner; the number of the front rollers 12 of each seat frame 3 is at least one, and the number of the rear rollers 13 of each seat frame 3 is at least one; further, the number of rollers of the seat frame 3 on each side may be two, three, four or more.
Optionally, the seat frame assembly further includes a link protruding portion 6, the rear end of the seat frame 3 protrudes upward with the link protruding portion 6, and the upper end of the second link 8 is hinged to the upper end of the link protruding portion 6.
The technical effects achieved by the embodiment are as follows: by arranging the front roller 12 and the rear roller 13, the stability and smoothness of the sliding of the seat frame 3 in the track 1 are improved, and the friction force of the seat frame 3 in the moving process is obviously reduced; by providing the link projection 6, a sufficient space required for the backrest to move is ensured.
Example 5
As shown in fig. 1 to 8, a zero gravity zero wall zero displacement chair frame comprises the whole content of embodiment 4, except that the first reciprocating driving assembly 201 is any one of a nut screw type electric push rod, a rack and pinion type electric push rod, a cylinder and a hydraulic cylinder; the second reciprocating driving assembly 202 is any one of a nut screw type electric push rod, a gear rack type electric push rod, an air cylinder and a hydraulic cylinder; the third reciprocating driving assembly 203 is any one of a nut screw type electric push rod, a gear rack type electric push rod, an air cylinder and a hydraulic cylinder; the first reciprocating driving assembly 201, the second reciprocating driving assembly 202 and the third reciprocating driving assembly 203 can also be structures of other similar principles of the reciprocating driving assembly 2.
Example 6
As shown in fig. 1 to 8, a zero gravity zero wall zero displacement chair frame comprises the whole content of the embodiment 5, and in addition, comprises a back cushion 11, a seat cushion 9 and a leg cushion 10, wherein the back cushion 11 is mounted on the second connecting rod 8, the seat cushion 9 is mounted on the seat frame 3, and the leg cushion 10 is mounted at the front end of the leg support assembly.
The technical effects achieved by the embodiment are as follows: by providing the back cushion 11, the seat cushion 9 and the leg cushion 10, the comfort of the user is improved.
Example 7
As shown in fig. 1 to 8, a zero gravity zero wall zero displacement chair frame comprises the whole content of embodiment 6, and in addition, a rear connecting lug, wherein a rear connecting lug is fixed at the middle part of a rear fixing rod 4, and a fixed end of a first reciprocating motion driving assembly 201 is hinged on the rear connecting lug.
Optionally, the device further comprises a first middle connecting lug and a second middle connecting lug, wherein the first middle connecting lug and the second middle connecting lug are both fixed on the front fixing rod 2, the first middle connecting lug is positioned in front of the second middle connecting lug, the front end of the second reciprocating driving assembly 202 is hinged on the second middle connecting lug, and the rear end of the third reciprocating driving assembly 203 is hinged on the first middle connecting lug.
Optionally, the device further comprises a front connecting lug, the middle part of the front connecting support rod 5 is fixed with the front connecting lug, and the telescopic end of the third reciprocating driving assembly 203 is hinged on the front connecting lug.
The technical effects achieved by the embodiment are as follows: by providing the rear and front connection lugs, the efficiency of the installation of the first, second and third reciprocating drive assemblies 201, 202 and 203 is improved, facilitating disassembly and maintenance.
Example 8
As shown in fig. 1 to 8, a zero gravity zero wall zero displacement chair frame, including the entire contents of embodiment 7, in addition to the leg support assembly comprising a third link 14, a fourth link 15, a fifth link 16, a sixth link 17, a seventh link 18, and a leg mounting plate 19; the rear end of the third connecting rod 14 is hinged to the front end of the seat frame 3, the rear end of the fourth connecting rod 15 is hinged to the front end of the seat frame 3, and the fourth connecting rod 15 is located above the third connecting rod 14; the rear end of the fifth connecting rod 16 is hinged to the front end of the third connecting rod 14, and the middle part of the fifth connecting rod 16 is crosswise hinged to the middle part of the fourth connecting rod 15; the rear end of the sixth link 17 is hinged to the front end of the fourth link 15, the front end of the fifth link 16 and the front end of the sixth link 17 are both hinged to the leg mounting plate 19, the leg pad 10 is mounted on the leg mounting plate 19, and the seventh link 18 for supporting the leg pad 10 is hinged to the middle of the sixth link 17.
Besides the leg support assembly structure, a leg support assembly structure different from the above structure can be adopted according to actual requirements.
The technical effects achieved by the embodiment are as follows: by the specific structure of the leg support assembly, stable movement of the leg structure is realized.
In the description of the present utility model, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
In the description of the present specification, a description referring to terms "embodiment one", "embodiment two", "example", "specific example", or "some examples", etc., means that a specific method, apparatus, or feature described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, methods, apparatus, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (10)
1. The zero gravity zero wall zero displacement chair frame is characterized by comprising a track (1), a first reciprocating driving assembly (201), a second reciprocating driving assembly (202), a third reciprocating driving assembly (203), a seat frame assembly, a base assembly, a backrest connecting rod assembly, a front connecting support rod (5) and a leg support assembly;
the track (1) is arranged on the base assembly, the front end of the track (1) is higher than the rear end of the track (1), and the seat frame assembly is slidably connected in the track (1);
one end of the backrest connecting rod assembly is hinged to the rear end of the seat frame assembly;
the front end of the seat frame assembly is provided with the leg support assembly, the root of the leg support assembly is provided with the front connecting support rod (5), and the front connecting support rod (5) can rotate forwards around the hinge axis of the leg support assembly;
the fixed end of the first reciprocating driving assembly (201) is hinged to the rear end of the base assembly, and the telescopic end of the first reciprocating driving assembly (201) is hinged to the rear end of the seat frame assembly;
the fixed end of the second reciprocating driving assembly (202) is hinged to the middle part of the rear end of the backrest connecting rod assembly, and the telescopic end of the second reciprocating driving assembly (202) is hinged to the middle part of the seat frame assembly;
the fixed end of the third reciprocating driving assembly (203) is hinged to the middle of the seat frame assembly, and the telescopic end of the third reciprocating driving assembly (203) is hinged to the middle of the front connecting support rod (5).
2. A zero gravity zero wall zero displacement chair frame according to claim 1, wherein the base assembly comprises a base (20) and a rear fixing bar (4); the rear fixed rod (4) is fixed on the base (20), the rear end of the track (1) is fixed on the rear fixed rod (4), and the fixed end of the first reciprocating driving assembly (201) is hinged to the middle of the rear fixed rod (4);
the seat frame assembly comprises a front fixing rod (2) and a seat frame (3), the front end of the seat frame (3) is provided with the leg support assembly, the seat frame (3) is slidably connected in the track (1), the front fixing rod (2) is fixed in the middle of the seat frame (3), the telescopic end of the first reciprocating driving assembly (201) is hinged to the rear end of the seat frame (3), the telescopic end of the second reciprocating driving assembly (202) is hinged to the middle of the front fixing rod (2), and the fixed end of the third reciprocating driving assembly (203) is hinged to the middle of the front fixing rod (2);
the backrest connecting rod assembly comprises a first connecting rod (7) and a second connecting rod (8), wherein the end part of the first connecting rod (7) is fixed with the lower end of the second connecting rod (8), the upper end of the second connecting rod (8) is hinged to the upper part of the rear end of the seat frame (3), and the fixed end of the second reciprocating driving assembly (202) is hinged to the middle part of the first connecting rod (7).
3. A zero gravity zero wall zero displacement chair frame according to claim 1, wherein the track (1) is an angled track (1) with an obtuse angle;
or, the track (1) is a curved track (1) with a circular arc shape.
4. A zero gravity zero wall zero displacement chair frame according to claim 2, characterized in that the line between the highest point of the front end of the track (1) and the lowest point of the rear end of the track (1) forms an angle with the horizontal plane, whereby the seat frame (3) is at any angle between 0 ° and 40 ° with the horizontal plane.
5. The zero gravity zero wall zero displacement chair frame according to claim 4, wherein the seat frame assembly further comprises a front roller (12) and a rear roller (13), the front roller (12) is rotatably arranged in the middle of the seat frame (3), the rear roller (13) is rotatably arranged at the rear end of the seat frame (3), and the front roller (12) and the rear roller (13) are simultaneously connected in the track (1) in a rolling manner; the number of the front rollers (12) of each seat frame (3) is at least one, and the number of the rear rollers (13) of each seat frame (3) is at least one.
6. The zero gravity zero wall zero displacement chair frame according to claim 5, wherein the seat frame assembly further comprises a connecting rod protruding portion (6), the connecting rod protruding portion (6) protrudes upwards from the rear end of the seat frame (3), and the upper end of the second connecting rod (8) is hinged to the upper end of the connecting rod protruding portion (6).
7. The zero gravity zero wall zero displacement chair frame according to claim 1, wherein the first reciprocating drive assembly (201) is any one of a nut screw type electric push rod, a rack and pinion type electric push rod, an air cylinder and a hydraulic cylinder.
8. The zero gravity zero wall zero displacement chair frame according to claim 1, wherein the second reciprocating drive assembly (202) is any one of a nut screw type electric push rod, a rack and pinion type electric push rod, an air cylinder and a hydraulic cylinder.
9. The zero gravity zero wall zero displacement chair frame according to claim 1, wherein the third reciprocating drive assembly (203) is any one of a nut screw type electric push rod, a rack and pinion type electric push rod, an air cylinder and a hydraulic cylinder.
10. A zero gravity zero wall zero displacement chair frame according to claim 6, wherein the leg support assembly comprises a third link (14), a fourth link (15), a fifth link (16), a sixth link (17), a seventh link (18) and a leg mounting plate (19); the rear end of the third connecting rod (14) is hinged to the front end of the seat frame (3), the rear end of the fourth connecting rod (15) is hinged to the front end of the seat frame (3), and the fourth connecting rod (15) is located above the third connecting rod (14); the rear end of the fifth connecting rod (16) is hinged to the front end of the third connecting rod (14), and the middle part of the fifth connecting rod (16) is hinged to the middle part of the fourth connecting rod (15) in a crossed manner; the rear end of the sixth connecting rod (17) is hinged to the front end of the fourth connecting rod (15), the front end of the fifth connecting rod (16) and the front end of the sixth connecting rod (17) are both hinged to the leg mounting plate (19), and the seventh connecting rod (18) is hinged to the middle of the sixth connecting rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429062.5U CN220275244U (en) | 2023-06-06 | 2023-06-06 | Zero gravity zero leans on wall zero displacement's chair frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429062.5U CN220275244U (en) | 2023-06-06 | 2023-06-06 | Zero gravity zero leans on wall zero displacement's chair frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220275244U true CN220275244U (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321429062.5U Active CN220275244U (en) | 2023-06-06 | 2023-06-06 | Zero gravity zero leans on wall zero displacement's chair frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220275244U (en) |
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2023
- 2023-06-06 CN CN202321429062.5U patent/CN220275244U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240420 Address after: No. 113, 11th Street, Hangzhou Economic and Technological Development Zone, Zhejiang Province, 311217 Patentee after: KUKA HOME Co.,Ltd. Country or region after: China Address before: Building 1, No. 2, Chusiwan South Road, Yulin Street, Xinchang County, Shaoxing City, Zhejiang Province, 312500 (residence application) Patentee before: Zhejiang Aoli Intelligent Technology Co.,Ltd. Country or region before: China |