CN115153232A - Zero Gravity Electric Recliner Mechanism - Google Patents
Zero Gravity Electric Recliner Mechanism Download PDFInfo
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- CN115153232A CN115153232A CN202210906567.XA CN202210906567A CN115153232A CN 115153232 A CN115153232 A CN 115153232A CN 202210906567 A CN202210906567 A CN 202210906567A CN 115153232 A CN115153232 A CN 115153232A
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- connecting 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
- 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 inclination
- A47C1/0242—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable inclination by electric motors
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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
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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
- A47C7/50—Supports for the feet or the legs
- A47C7/506—Supports for the feet or the legs of adjustable type
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a zero-gravity electric reclining chair mechanism. The zero-gravity electric deck chair mechanism comprises a left iron frame unit and a right iron frame unit and an intermediate support, wherein an inclined connecting rod assembly convenient to incline is arranged on the iron frame unit, the inclined connecting rod assembly comprises an inclined connecting rod assembly, a seventh connecting rod, an eighth connecting rod and a ninth connecting rod, one end of the sixth connecting rod is connected with the seventh connecting rod, the other end of the sixth connecting rod is connected with the eighth connecting rod, the ninth connecting rod is connected with the seventh connecting rod, the ninth connecting rod is connected with the eighth connecting rod, the ninth connecting rod is connected with a fifth connecting point, and the left iron frame unit and the right iron frame unit are respectively arranged on two sides of the intermediate support. The invention is provided with the inclined connecting rod assembly, the inclination angle is increased, the extension height of the front end connecting rod assembly is increased, the zero-gravity posture with larger inclination angle is achieved, and the comfort level is improved.
Description
Technical Field
The invention relates to the technical field of electric reclining chairs, in particular to a zero-gravity electric reclining chair mechanism.
Background
With the improvement of living standard of people, functional reclining chairs are more and more common in life. With the wide application of functional reclining chairs, the requirement on the comfort of the reclining chair is higher and higher. Functional reclining chairs are typically fitted with mechanical extension devices to enable the reclining chair to be adjustable between standing, sitting, TV, and lying positions.
For more comfortable experience, the human body inclination angle is optimized according to the pressure reduction function designed by the ergonomic principle and the physiological curve of the human body, the stress points of the human body are dispersed, the body weight born by each stress point is greatly reduced, the most uniform and comfortable support is provided for the human body, the heart and the legs are positioned on the same horizontal line, the working pressure of the heart is reduced, and the blood circulation is promoted, namely, the zero-gravity posture. However, the technical scheme adopted by the prior zero-gravity reclining chair has a small inclination angle and insufficient structural stability.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects in the prior art and provides a zero-gravity electric reclining chair mechanism with larger inclination angle.
The technical scheme adopted by the invention for solving the technical problems is as follows: a zero-gravity powered recliner mechanism comprising:
the iron frame units are symmetrically arranged on the left side and the right side and respectively comprise a T-shaped inserting piece, a middle component and a front end connecting rod component which are sequentially connected;
the middle bracket is used for connecting the left iron frame unit and the right iron frame unit;
the middle assembly comprises an inclined connecting rod assembly and a transmission connecting rod assembly, the inclined connecting rod assembly comprises a sixth connecting rod, a seventh connecting rod, an eighth connecting rod and a ninth connecting rod, one end of the sixth connecting rod is connected with the seventh connecting rod at a fourteenth connecting point, the other end of the sixth connecting rod is connected with the eighth connecting rod at a fifteenth connecting point, the ninth connecting rod is connected with the seventh connecting rod at an eighteenth connecting point, the ninth connecting rod is connected with the eighth connecting rod at a sixteenth connecting point, the ninth connecting rod is connected with a fifth connecting point of the middle bracket at a seventeenth connecting point, and the left iron frame unit and the right iron frame unit are respectively arranged on two sides of the middle bracket;
the transmission connecting rod assembly is pushed forwards or pulled back to drive the front end connecting rod assembly to expand or retract, and the inclined connecting rod assembly is driven to incline or return to be normal.
Further, the drive link assembly comprises a tenth link, an eleventh link and a twelfth link, the tenth link is connected with the seventh link at a nineteenth connection point, the tenth link is connected with the eleventh link at a twentieth connection point, the tenth link is connected with the twelfth link at a twenty-first connection point, and the eleventh link is connected with a thirteenth link on the front end link assembly at a twenty-third connection point; and a spring convenient for pulling back the transmission connecting rod assembly is arranged at the eleventh connecting point on the sixth connecting rod, and the other end of the spring is connected to the twenty-second connecting point of the eleventh connecting rod.
Further, the front end connecting rod assembly comprises a thirteenth connecting rod and a fourteenth connecting rod, the thirteenth connecting rod is connected with the sixth connecting rod at a twenty-seventh connecting point, and the fourteenth connecting rod is connected with the sixth connecting rod at a twenty-eighth connecting point; the fourteenth connecting rod is sequentially connected with a sixteenth connecting rod and a nineteenth connecting rod end to end, and the thirteenth connecting rod is sequentially connected with a fifteenth connecting rod and a twentieth connecting rod end to end; a seventeenth connecting rod and an eighteenth connecting rod are further connected between the fifteenth connecting rod and the nineteenth connecting rod, the seventeenth connecting rod is connected with the fifteenth connecting rod at a thirtieth connecting point, the other end of the seventeenth connecting rod is connected with the eighteenth connecting rod at a thirty-second connecting point, the middle part of the seventeenth connecting rod is connected with the sixteenth connecting rod at a thirty-eleventh connecting point, and the eighteenth connecting rod is connected with the nineteenth connecting rod at a thirty-third connecting point; the fourteenth connecting rod is connected with the fifteenth connecting rod at a twenty-ninth connecting point;
and the nineteenth connecting rod is provided with a first mounting plate convenient for mounting the first footrest plate, and the twentieth connecting rod is provided with a second mounting plate convenient for mounting the second footrest plate.
Further, the middle support comprises a first connecting pipe, a first connecting rod, a base, a first connecting assembly, a first electric push rod, a second electric push rod, a first connecting rod assembly, a second connecting rod assembly and a second connecting assembly;
the end part of the first connecting pipe is connected with the seventh connecting rod at a twelfth connecting point, the push rod end of the first electric push rod is connected with the base frame of the base, the motor end of the first electric push rod is connected with the fifth connecting pipe of the second connecting assembly, the push rod end of the second electric push rod is connected with the second connecting pipe of the first connecting assembly, and the motor end of the second electric push rod is connected with the fourth connecting pipe of the second connecting assembly;
a base connecting sheet is arranged on the base frame, one end of a fourth connecting rod of the first connecting rod assembly is connected with the base connecting sheet at a first connecting point, and the other end of the fourth connecting rod is connected with a fifth connecting rod of the second connecting rod assembly;
one end of the first connecting rod is connected to a second connecting point on the base connecting sheet, and the other end of the first connecting rod is connected with a fifth connecting rod of the second connecting rod assembly; and a sixth connecting point and a seventh connecting point are arranged on a second connecting sheet of the second connecting assembly, the first pin shaft passes through the connecting holes in the sixth connecting point and the fifth connecting rod and the twenty-fifth connecting point of the twelfth connecting rod to connect the second connecting sheet, the fifth connecting rod and the twelfth connecting rod, and the second pin shaft passes through the arc-shaped groove in the seventh connecting point and the fifth connecting rod and the twenty-sixth connecting point of the twelfth connecting rod.
Furthermore, the twentieth connecting rod is provided with a sliding groove, the nineteenth connecting rod is provided with a second limiting lug, the second limiting lug is embedded into the sliding groove, and the second limiting lug moves relative to the sliding groove;
when the front-end connecting rod assembly is unfolded or retracted, the second limiting convex block and the sliding groove are matched to act, and the first mounting plate and the second mounting plate are always located on the same plane, so that the foot rest plate is guaranteed to act stably.
Furthermore, a second supporting rod for improving the stability of the left piece and the right piece is arranged at a tenth connecting point at the rear lower end of the sixth connecting rod, and a second buffer sleeve is connected onto the second supporting rod; the fourth connecting rod of the first connecting rod assembly is provided with a first supporting rod used for improving the stability of the transmission connecting rod assembly, the first supporting rod is connected with a first buffer sleeve, and the second supporting rod and the first supporting rod are respectively contacted with or separated from the base.
Furthermore, a first limiting bump for limiting the eleventh connecting rod is arranged on the thirteenth connecting rod.
Furthermore, a supporting sheet is arranged on the ninth connecting rod, and the supporting sheet is in contact with or separated from the base connecting sheet.
The invention has the beneficial effects that: the invention has simple structure, reasonable design and simple and convenient operation, and has the following advantages:
(1) The inclined four-connecting-rod assembly is arranged to realize a zero-gravity lying posture, the T-shaped inserting piece is laid flat under the posture, the inclination angle is increased, the extension height of the front-end connecting-rod assembly is increased, a zero-gravity posture with a larger inclination angle is achieved, and the comfort level is improved;
(2) The foot rest plate mounting assembly is composed of the second mounting plate and the first mounting plate, the first mounting plate and the second mounting plate can be more flexibly closed and separated through the matching of the thirteenth connecting rod, the fourteenth connecting rod, the fifteenth connecting rod, the sixteenth connecting rod, the seventeenth connecting rod, the eighteenth connecting rod, the nineteenth connecting rod and the twentieth connecting rod, and the two mounting plates are retracted to close when being retracted, so that the occupied space is small; when the leg rest is stretched, the stretching length of the foot rest plate mounting assembly is increased, legs and feet can be better supported, the lying comfort is improved, and the use requirements of users with different heights are met;
(3) The first support rod and the second support rod are arranged, when the first support rod and the second support rod are respectively contacted with the base frame, the deformation of the middle support and the middle assembly is prevented, and meanwhile, the stability of the invention is improved;
(4) The second limiting lug is in contact with the supporting plate to limit the fifth connecting rod, so that the fifth connecting rod is prevented from excessively descending; the first limiting bump limits the tenth connecting rod, so that the retraction state of the multi-connecting-rod mechanism is kept conveniently.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of the zero gravity lying position of the present invention;
FIG. 2 is a perspective view of FIG. 1 from another perspective;
FIG. 3 is an exploded view of the zero-gravity lying position of the present invention;
FIG. 4 is an exploded view of the intermediate bracket;
FIG. 5 is a schematic view of a first electric putter in use;
FIG. 6 is a schematic view of the left sideframe unit;
FIG. 7 is a schematic structural view of the right sideframe unit;
FIG. 8 is a front view of the right sideframe unit;
FIG. 9 is a schematic structural view of the tilting link assembly;
FIG. 10 is a front view of the zero-gravity lying position of the invention;
FIG. 11 is a front view of the TV pose of the present invention;
FIG. 12 is a front view of the seated position of the present invention;
fig. 13 is a front view of the standing position of the present invention.
In the figure: 1000. middle support, 2000, iron frame unit;
1010. a first connecting pipe 1020, a first connecting rod 1100, a base 1200, a first connecting assembly 1300, a first electric push rod 1400, a second electric push rod 1500, a first connecting rod assembly 1600, a second connecting rod assembly 1700, a second connecting assembly;
1110. the base comprises a base frame, 1120, a base connecting piece, 1210, a second connecting pipe, 1220, a first connecting piece, 1510, a third connecting pipe, 1520, a fourth connecting rod, 1530, a first supporting rod, 1540, a first buffer sleeve, 1610, a fourth connecting pipe, 1620, a fifth connecting rod, 1710, a fifth connecting pipe, 1720 and a second connecting piece;
1130. the motor comprises a first motor base, 1122, a first connecting point, 1124, a second connecting point, 1230, a second motor base, 1630, a third motor base, 1622, a third connecting point, 1624, a fourth connecting point, 1626, a connecting hole, 1628, an arc-shaped groove, 1629, a fifth connecting point, 1730, a fourth motor base, 1722, a sixth connecting point, 1724 and a seventh connecting point;
2010.T type insert, 2200. Inclined connecting rod component, 2300. Transmission connecting rod component, 2400. Front end connecting rod component;
2012. eighth connection point, 2014 ninth connection point;
2210. a second support bar, 2220, a sixth link, 2222, a tenth connection point, 2224, an eleventh connection point, 2230, a seventh link, 2232, a twelfth connection point, 2234, a thirteenth connection point, 2236, a fourteenth connection point, 2240, an eighth link, 2242, a fifteenth connection point, 2250, a ninth link, 2252, a sixteenth connection point, 2254, a seventeenth connection point, 2256, a support plate, 2258, an eighteenth connection point, 2260, a second cushion collar;
2310. a tenth link, 2312 nineteenth connection point, 2314 twentieth connection point, 2316 twenty first connection point, 2320 eleventh link, 2322 twenty second connection point, 2324 twenty third connection point, 2330 twelfth link, 2332 twenty fourth connection point, 2334 twenty fifth connection point, 2336 twenty sixth connection point, 2340 spring;
2410. the connecting rod assembly comprises a thirteenth connecting rod, 2412, a twenty-seventh connecting point, 2414, a first limit bump, 2420, a fourteenth connecting rod, 2422, a twenty-eighth connecting point, 2424, a twenty-ninth connecting point, 2430, a fifteenth connecting rod, 2432, a thirtieth connecting point, 2440, a sixteenth connecting rod, 2442, a thirty-eleventh connecting point, 2450, a seventeenth connecting rod, 2460, an eighteenth connecting rod, 2462, a thirty-second connecting point, 2464, a thirty-third connecting point, 2470, a nineteenth connecting rod, 2472, a second limit bump, 2474, a first mounting plate, 2480, a twentieth connecting rod, 2482, a second mounting plate, 2484 and a sliding chute.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
A zero-gravity powered recliner mechanism as shown in fig. 1-10, comprising:
the left iron frame unit 2000 comprises a T-shaped insert 2010, an inclined connecting rod assembly 2200, a transmission connecting rod assembly 2300 and a front end connecting rod assembly 2400;
a right-side hob unit 2000 symmetrically arranged with the left-side hob unit 2000;
a middle bracket 1000 comprising a first connection pipe 1010, a first link 1020, a base 1100, a first connection assembly 1200, a first electric push rod 1300, a second electric push rod 1400, a first link assembly 1500, a second link assembly 1600, and a second connection assembly 1700;
the two ends of the first connecting pipe 1010 are connected with the seventh connecting rod 2230 at a twelfth connecting point 2232, the push rod end of the first electric push rod 1300 is connected with the first motor seat 1130 on the base frame 1110, the motor end of the first electric push rod 1300 is connected with the fourth motor seat 1730 on the fifth connecting pipe 1710, the push rod end of the second electric push rod 1400 is connected with the second motor seat 1230 on the second connecting pipe 1210, the motor end of the second electric push rod 1400 is connected with the third motor seat 1630 on the fourth connecting pipe 1610, one end of the fourth connecting rod 1520 is connected with the first connecting point 1122 on the base connecting piece 1120, the other end of the fourth connecting rod is connected with the third connecting point 1622 on the fifth connecting rod 1620, one end of the first connecting rod 1020 is connected with the second connecting point 1124 on the base connecting piece 1120, the other end of the fourth connecting point 1624 on the fifth connecting rod 1620, the sixth connecting point 1722 on the second connecting piece 1720 passes through the connecting hole 1626 on the fifth connecting rod 1620 and is connected with the twenty-fifth connecting point 2334 on the twelfth connecting piece 2330 of the left and right connecting pieces, and 2338 on the twelfth connecting pieces 2338; the left and right fourth connecting rods 1520 are connected by a third connecting pipe 1510, so that the stability and firmness of the fourth connecting rods 1520 are improved;
the first electric push rod 1300 pushes the fifth connecting pipe 1710 to enable the second connecting piece 1720 to rotate around the sixth connecting point 1722, and when the seventh connecting point 1724 slides to the front end of the arc-shaped groove, the first electric push rod 1300 continues to push the fifth connecting pipe 1710 to enable the second connecting rod assembly 1600 to be lifted relative to the base 1100;
the motor ends of the first electric push rod 1300 and the second electric push rod 1400 are positioned at the same side of the zero-gravity electric reclining chair mechanism, so that the stability of the whole zero-gravity electric reclining chair mechanism in the operation process is ensured; in addition, the first connection assembly 1200 that descends is not disturbed when the zero-gravity powered recliner mechanism is in the zero-gravity reclining position.
The left and right iron frame units 2000 each comprise a T-shaped insert 2010, a middle assembly and a front end connecting rod assembly 2400 connected in sequence;
the T-shaped inserting piece 2010 is connected with the first connecting piece 1220 at the eighth connecting point 2012 and is connected with the sixth connecting rod 2220 at the ninth connecting point 2014, and when the second electric push rod 1400 extends and contracts, the T-shaped inserting piece 2010 is driven to rotate around the ninth connecting point 2014, so that the T-shaped inserting piece 2010 is laid or erected;
the intermediate assembly includes a tilt linkage assembly 2200 and a drive linkage assembly 2300. The inclined connecting rod assembly 2200 is used for inclining the lying posture to a zero gravity posture with a low head and a high foot, the transmission connecting rod assembly 2300 is used for transmitting the power of the first electric push rod 1300 to the telescopic movement of the front end connecting rod assembly 2400 and the inclined movement of the inclined connecting rod assembly 2200, and the front end connecting rod assembly 2400 is used for unfolding and folding the front end connecting rod;
the tilting link assembly 2200 includes a sixth link 2220, a seventh link 2230, an eighth link 2240, and a ninth link 2250, the sixth link 2220 is connected at one end to the seventh link 2230 at a fourteenth connection point 2236, the sixth link 2220 is connected at the other end to the eighth link 2240 at a fifteenth connection point 2242, the ninth link 2250 is connected to the seventh link 2230 at an eighteenth connection point 2258, the ninth link 2250 is connected at a sixteenth connection point 2252 to the eighth link 2240, the ninth link 2250 is connected at a seventeenth connection point 2254 to a fifth connection point 1629 on the second link 1600 in the middle bracket 1000, and the left and right two hob units 2000 are mounted on both sides of the middle bracket 1000, respectively; seventh link 2230 is a V-shaped rod, and ninth link 2250 has one end connected to the V-shaped tip of seventh link 2230 at an eighteenth connection point 2258.
The transmission link assembly 2300 comprises a tenth link 2310, an eleventh link 2320, a twelfth link 2330 and a spring 2340, the tenth link 2310 is connected with the seventh link 2230 at a nineteenth connection point 2312, the tenth link 2310 is connected with the eleventh link 2320 at a twentieth connection point 2314, the tenth link 2310 is connected with the twelfth link 2330 at a twenty-first connection point 2316, the eleventh link 2320 is connected with a thirteenth link 2410 on the front end link assembly 2400 at a twenty-third connection point 2324, forward pushing or backward pulling of the transmission link assembly 2300 drives the front end link assembly 2400 to expand or retract and drives the tilting link assembly 2200 to tilt or return; a spring 2340 for facilitating the pulling back of the driving link assembly 2300 is provided at an eleventh connection point 2224 of the sixth link 2220 of the tilting link assembly 2200, and the other end of the spring 2340 is connected to a twenty-second connection point 2322 of the eleventh link 2320.
The front end linkage 2400 includes a thirteenth link 2410 and a fourteenth link 2420, the thirteenth link 2410 and the fourteenth link 2420 being connected to the sixth link 2220 at a twenty-seventh connection point 2412 and a twenty-eighth connection point 2422, respectively; the fourteenth connecting rod 2420 is sequentially connected with a sixteenth connecting rod 2440 and a nineteenth connecting rod 2470 end to end, the thirteenth connecting rod 2410 is sequentially connected with a fifteenth connecting rod 2430 and a twentieth connecting rod 2480 end to end, and a sliding groove 2484 on the twentieth connecting rod 2480 is connected with the nineteenth connecting rod 2470 at a second limit bump 2472; a seventeenth link 2450 and an eighteenth link 2460 are further connected between the fifteenth link 2430 and the nineteenth link 2470, the seventeenth link 2450 is connected with the fifteenth link 2430 at a thirtieth connection point 2432, the other end of the seventeenth link 2450 is connected with the eighteenth link 2460 at a thirty-second connection point 2462, the seventeenth link 2450 is connected with the sixteenth link 2440 at a thirty-eleventh connection point 2442 in the middle, and the eighteenth link 2460 is connected with the nineteenth link 2470 at a thirty-third connection point 2464; the fourteenth link 2420 is connected to the fifteenth link 2430 at a twenty-ninth connection point 2424; the nineteenth link 2470 is provided with a first mounting plate 2474 to facilitate mounting of the first footrest plate, and the twentieth link 2480 is provided with a second mounting plate 2482 to facilitate mounting of the second footrest plate.
In the front end link mechanism 2400, the second mounting plate 2482 and the first mounting plate 2474 form a footrest mounting assembly, and the first mounting plate 2474 and the second mounting plate 2482 can be more flexibly closed and separated through the cooperation of the thirteenth connecting rod 2410, the fourteenth connecting rod 2420, the fifteenth connecting rod 2430, the sixteenth connecting rod 2440, the seventeenth connecting rod 2450, the eighteenth connecting rod 2460, the nineteenth connecting rod 2470 and the twentieth connecting rod 2480, and when the front end link mechanism is contracted, the two mounting plates are retracted and closed, so that the occupied space is small; when stretching, the stretching length of the footrest mounting assembly is increased, so that legs and feet can be better supported, the lying comfort is improved, and the use requirements of users with different heights are met. The leg extension of people is convenient, the comfort level is improved, in addition, the long leg and the common people can both use the chair, and the application range is wider.
A sliding groove 2484 is formed in the twentieth connecting rod 2480, a second limiting bump 2472 is arranged in the middle of the nineteenth connecting rod 2470, the second limiting bump 2472 is embedded into the sliding groove 2484, and the second limiting bump 2472 moves relative to the sliding groove 2484; when the front end linkage 2400 is unfolded or retracted, the second limiting bump 2472 cooperates with the sliding groove 2484 to ensure that the second mounting plate 2482 and the first mounting plate 2474 are always in the same plane.
A tenth connecting point 2222 at the rear lower end of the sixth connecting rod 2220 is provided with a second supporting rod 2210 for improving the stability of the left piece and the right piece, and the supporting rod is connected with a second buffer sleeve 2260; the fourth link 1520 is provided with a first support bar 1530 for improving stability of the intermediate bracket 1000, the support bar is connected with a first buffer 1540, and the second support bar 2210 and the first support bar 1530 are respectively contacted with or separated from the base 1100.
A first limiting bump 2414 is arranged on the thirteenth connecting rod 2410, a limiting groove corresponding to the first limiting bump 2414 is arranged on the eleventh connecting rod 2320, and when the zero-gravity electric reclining chair mechanism is in a sitting posture and a standing posture, the first limiting bump 2414 is matched with the limiting groove to limit the retracting position of the front-end connecting rod assembly 2400.
A support sheet 2256 is disposed on the ninth link 2250, and the support sheet 2256 contacts or separates from the base connection sheet 1120 to assist in limiting the descending height of the middle bracket 1000, and to enhance the stability of the zero-gravity electric reclining mechanism when the mechanism is in a sitting, lying and TV posture.
Anti-skid legs are mounted at four corners of the base 1100.
Example 1
As shown in fig. 1, 2 and 10, the zero-gravity powered recliner mechanism is in a zero-gravity recumbent position. Under this posture, the second electric push rod 1400 retracts to drive the first connection assembly 1200 to move in the motor retracting direction, and drive the T-shaped inserting piece 2010 to rotate around the ninth connection point 2014 to be laid flat.
The first electric push rod 1300 retracts to drive the seventh connecting point 1724 on the second connecting assembly 1700 to perform backward circular motion around the sixth connecting point 1722, and the corresponding twenty-sixth connecting point 2336 on the twelfth connecting rod 2330 connected with the second connecting assembly 1700 also performs backward circular motion around the twenty-fifth connecting point 2334 to move from the front end to the rear end of the arc-shaped groove 1628, so that the twenty-fourth connecting point 2332 of the twelfth connecting rod 2330 rotates upwards and forwards, the tenth connecting rod 2310 moves upwards and forwards, and the corresponding twentieth connecting point 2314 moves upwards and forwards, so that the eleventh connecting rod 2320 is pushed to move upwards and forwards, the thirteenth connecting rod 2410 is further pushed to rotate around the twenty-seventh connecting point 2412 to open, and the front-end connecting rod mechanism 4 is driven to unfold; meanwhile, the thirteenth connecting point 2234 of the seventh connecting rod 2230 makes an arc motion around the eighteenth connecting point 2258 rotating upward and forward along with the motion of the tenth connecting rod 2310, and the fourteenth connecting point 2236 of the seventh connecting rod 2230 connected to the sixth connecting rod 2220 rotates and descends around the eighteenth connecting point 2258, so as to drive the rear end of the sixth connecting rod 2220 to descend, so that the lying posture is further inclined, and thus the zero-gravity lying posture with the head lowered and the feet raised is achieved.
In the unfolding process of the front end link mechanism 2400, the transmission link assembly 2300 pushes the thirteenth link 2410 to extend towards the front end, so as to drive the fourteenth link 2420, the fifteenth link 2430, the sixteenth link 2440, the seventeenth link 2450 and the eighteenth link 2460 to unfold, and the nineteenth link 2470 rises and is laid flat; the second limit tab 2472 on the nineteenth link 2470 slides within the slot 2484 on the twentieth link 2480, such that the second mounting plate 2482 on the twentieth link 2480 and the first mounting plate 2474 on the nineteenth link 2470 are always in the same plane.
When the zero-gravity electric reclining chair mechanism is in a zero-gravity lying posture, the second support bar 2210 and the first support bar 1530 are respectively in contact with the base 1100, so that the deformation of the left and right iron frame units 2000 and the middle bracket 1000 is prevented, and the stability of the zero-gravity electric reclining chair mechanism is improved. The support piece 2256 contacts the base connection piece 1120 to limit the descending height of the ninth link 2250, and since the left and right two iron frame units 2000 are connected to the fifth connection point 1629 of the second link 1600 in the middle rack through the seventeenth connection point 2254, the descending height of the middle rack 1000 is correspondingly limited.
Example 2
As shown in fig. 3, 6, 7, 8 and 11, the zero-gravity powered recliner mechanism is in a TV-position. During the adjustment from the zero-gravity lying position to the TV position in embodiment 1, the second electric push rod 1400 is extended and the T-shaped insert piece 2010 is rotated and erected.
When the zero-gravity electric reclining chair mechanism is in a TV posture state, the second support bar 2210 and the first support bar 1530 are respectively in contact with the base 1100, so that the deformation of the left and right two iron frame units 2000 and the middle bracket 1000 is prevented, and the stability of the zero-gravity electric reclining chair mechanism is improved. The support piece 2256 contacts the base connection piece 1120 to limit the descending height of the ninth link 2250, and accordingly, the descending height of the middle bracket 1000.
Example 3
As shown in fig. 12, the zero-gravity powered recliner mechanism is in a sitting position. In the process of adjusting the TV posture to the sitting posture according to embodiment 2, the first electric push rod 1300 extends to drive the seventh connection point 1724 on the second connection assembly 1700 to perform forward circular motion around the sixth connection point 1722, and the corresponding twenty-sixth connection point 2336 on the twelfth connection rod 2330 connected to the second connection assembly 1700 also performs forward circular motion around the twenty-fifth connection point 2334, and moves from the rear end to the front end of the arc groove 1628, so that the twenty-fourth connection point 2332 of the twelfth connection rod 2330 rotates backward and downward to drive the tenth connection rod 2310 to move backward and downward, and the corresponding twentieth connection point 2314 moves backward and downward to pull the eleventh connection rod 2320 to move backward and downward and further pull the thirteenth connection rod 2410 to rotate and retract around the twenty-seventh connection point 2412 to drive the front-end connection assembly 2400 to retract.
When the zero-gravity electric reclining chair mechanism is in a sitting posture state, the first support rod 1530 is in contact with the base 1100, so that the deformation of the middle bracket 1000 is prevented, and meanwhile, the stability of the zero-gravity electric reclining chair mechanism is improved. The support piece 2256 contacts the base connection piece 1120 to limit the descending height of the ninth link 2250, and accordingly, the descending height of the middle bracket 1000. The first limit bump 2414 is matched with the limit groove on the eleventh connecting rod 2320 to limit the retracted position of the front end connecting rod assembly 2400.
Example 4
As shown in fig. 5 and 13, the zero-gravity powered recliner mechanism is in a standing position. In the process of adjusting the sitting posture to the standing posture according to embodiment 3, the first electric push rod 1300 continues to extend to drive the second connecting assembly 1700 to drive the second connecting assembly 1600 to lift upwards, and drive the first connecting rod 1020 and the first connecting assembly 1500 to rotate around the second connecting point 1124 and the first connecting point 1122 on the base connecting piece 1120 and lift upwards, so as to rotate and lift the two iron frame units 2000 connected to the two sides of the second connecting assembly 1600.
When the zero-gravity electric recliner mechanism is in a standing position, the second support bar 2210 and the first support bar 1530 are separated from the base 1100, and the support piece 2256 is separated from the base connection piece 1120. The first limit bump 2414 is matched with the limit groove on the eleventh connecting rod 2320 to limit the retracted position of the front end connecting rod assembly 2400.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While particular embodiments of the present invention have been described in the foregoing specification, various modifications and alterations to the previously described embodiments will become apparent to those skilled in the art from this description without departing from the spirit and scope of the invention.
Claims (8)
1. A zero-gravity electric reclining chair mechanism is characterized in that: the method comprises the following steps:
the iron frame unit (2000) comprises a T-shaped inserting piece (2010), a middle component and a front end connecting rod component (2400) which are sequentially connected;
a middle bracket (1000) for connecting the two iron frame units (2000) on the left and right sides;
the middle assembly includes a tilting link assembly (2200) and a transmission link assembly (2300), the tilting link assembly (2200) includes a sixth link (2220), a seventh link (2230), an eighth link (2240) and a ninth link (2250), one end of the sixth link (2220) is connected to the seventh link (2230) at a fourteenth connection point (2236), the other end of the sixth link (2220) is connected to the eighth link (2240) at a fifteenth connection point (2242), the ninth link (2250) is connected to the seventh link (2230) at an eighteenth connection point (2258), the ninth link (2250) is connected to the eighth link (2240) at a sixteenth connection point (2252), the ninth link (2250) is connected to a fifth connection point (1629) of the middle bracket (1000) at a seventeenth connection point (2254), and the left and right two iron bracket units (2000) are mounted to both sides of the middle bracket (1000), respectively;
the transmission connecting rod assembly (2300) is pushed forwards or pulled back to drive the front end connecting rod assembly (2400) to expand or retract, and drive the inclined connecting rod assembly (2200) to incline or return to the right.
2. The zero-gravity powered recliner mechanism of claim 1, wherein: the drive link assembly (2300) comprises a tenth link (2310), an eleventh link (2320) and a twelfth link (2330), the tenth link (2310) is connected to the seventh link (2230) at a nineteenth connection point (2312), the tenth link (2310) is connected to the eleventh link (2320) at a twentieth connection point (2314), the tenth link (2310) is connected to the twelfth link (2330) at a twenty-first connection point (2316), the eleventh link (2320) is connected to the thirteenth link (2410) on the front end link assembly (2400) at a twenty-third connection point (2324); a spring (2340) convenient for the transmission connecting rod assembly (2300) to pull back is arranged at an eleventh connecting point (2224) on the sixth connecting rod (2220), and the other end of the spring (2340) is connected to a twenty-second connecting point (2322) of the eleventh connecting rod (2320).
3. The zero-gravity powered recliner mechanism of claim 1, wherein: the front end link assembly (2400) includes a thirteenth link (2410) and a fourteenth link (2420), the thirteenth link (2410) being connected to the sixth link 2220 at a twenty-seventh connection point (2412), the fourteenth link (2420) being connected to the sixth link 2220 at a twenty-eighth connection point (2422); the fourteenth connecting rod (2420) is sequentially connected with a sixteenth connecting rod (2440) and a nineteenth connecting rod (2470) end to end, and the thirteenth connecting rod (2410) is sequentially connected with a fifteenth connecting rod (2430) and a twentieth connecting rod (2480) end to end; a seventeenth connecting rod (2450) and an eighteenth connecting rod (2460) are connected between the fifteenth connecting rod (2430) and the nineteenth connecting rod (2470), the seventeenth connecting rod (2450) is connected with the fifteenth connecting rod (2430) at a thirtieth connecting point (2432), the other end of the seventeenth connecting rod (2450) is connected with the eighteenth connecting rod (2460) at a thirty-second connecting point (2462), the middle part of the seventeenth connecting rod (2450) is connected with the sixteenth connecting rod (2440) at a thirty-eleventh connecting point (2442), and the eighteenth connecting rod (2460) is connected with the nineteenth connecting rod (2470) at a thirty-third connecting point (2464); a fourteenth link (2420) is connected to a fifteenth link (2430) at a twenty-ninth connection point (2424);
the nineteenth connecting rod (2470) is provided with a first mounting plate (2474) facilitating mounting of the first footrest plate, and the twentieth connecting rod (2480) is provided with a second mounting plate (2482) facilitating mounting of the second footrest plate.
4. The zero-gravity powered recliner mechanism of claim 1, wherein: the middle bracket (1000) comprises a first connecting pipe (1010), a first connecting rod (1020), a base (1100), a first connecting assembly (1200), a first electric push rod (1300), a second electric push rod (1400), a first connecting rod assembly (1500), a second connecting rod assembly (1600) and a second connecting assembly (1700);
the end of the first connecting pipe (1010) is connected with the seventh connecting rod (2230) at a twelfth connecting point (2232), the push rod end of the first electric push rod (1300) is connected with the base frame (1110) of the base (1100), the motor end of the first electric push rod (1300) is connected with the fifth connecting pipe (1710) of the second connecting assembly (1700), the push rod end of the second electric push rod (1400) is connected with the second connecting pipe (1210) of the first connecting assembly (1200), and the motor end of the second electric push rod (1400) is connected with the fourth connecting pipe (1610) of the second connecting assembly (1600);
a base connecting piece (1120) is installed on the base frame (1110), one end of a fourth connecting rod (1520) of the first connecting rod assembly (1500) is connected with the base connecting piece (1120) at a first connecting point (1122), and the other end of the fourth connecting rod (1520) is connected with a fifth connecting rod (1620) of the second connecting rod assembly (1600);
one end of the first connecting rod (1020) is connected to a second connecting point (1124) on the base connecting sheet (1120), and the other end of the first connecting rod (1020) is connected with a fifth connecting rod (1620) of the second connecting rod assembly (1600); a sixth connection point (1722) and a seventh connection point (1724) are arranged on the second connection plate (1720) of the second connection assembly (1700), a first pin is arranged through the sixth connection point (1722), the connection hole (1626) on the fifth link (1620) and the twenty-fifth connection point (2334) of the twelfth link (2330) to connect the second connection plate (1720), the fifth link (1620) and the twelfth link (2330), and a second pin is arranged through the seventh connection point (1724), the arc-shaped groove (1628) on the fifth link (1620) and the twenty-sixth connection point (2336) of the twelfth link (2330).
5. The zero-gravity powered recliner mechanism of claim 3, wherein: the twentieth connecting rod (2480) is provided with a sliding groove (2484), the nineteenth connecting rod (2470) is provided with a second limiting lug (2472), the second limiting lug (2472) is embedded into the sliding groove (2484), and the second limiting lug (2472) moves relative to the sliding groove (2484);
when the front end connecting rod assembly (2400) is unfolded or retracted, the second limiting bump (2472) and the sliding groove (2484) are matched to act, the first mounting plate (2474) and the second mounting plate (2482) are always in the same plane, and therefore the stable action of the footrest is guaranteed.
6. The zero-gravity powered recliner mechanism of claim 4, wherein: a tenth connecting point (2222) at the rear lower end of the sixth connecting rod (2220) is provided with a second supporting rod (2210) for improving the stability of the left piece and the right piece, and the second supporting rod (2210) is connected with a second buffer sleeve (2260); a first supporting rod (1530) used for improving the stability of the transmission connecting rod assembly (2300) is arranged on a fourth connecting rod (1520) of the first connecting rod assembly (1500), a first buffer sleeve (1540) is connected to the first supporting rod (1530), and the second supporting rod (2210) and the first supporting rod (1530) are respectively contacted with or separated from the base (1100).
7. The zero-gravity powered recliner chair mechanism of claim 3, wherein: a first limit bump (2414) for limiting the eleventh connecting rod (2320) is arranged on the thirteenth connecting rod (2410).
8. The zero-gravity powered recliner mechanism of claim 4, wherein: and a support sheet (2256) is arranged on the ninth connecting rod (2250), and the support sheet (2256) is in contact with or separated from the base connecting sheet (1120).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906567.XA CN115153232A (en) | 2022-07-29 | 2022-07-29 | Zero Gravity Electric Recliner Mechanism |
| US17/952,180 US12082698B2 (en) | 2022-07-29 | 2022-09-23 | Mechanism for zero-gravity reclining chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210906567.XA CN115153232A (en) | 2022-07-29 | 2022-07-29 | Zero Gravity Electric Recliner Mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN115153232A true CN115153232A (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210906567.XA Pending CN115153232A (en) | 2022-07-29 | 2022-07-29 | Zero Gravity Electric Recliner Mechanism |
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| CN (1) | CN115153232A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20260108064A1 (en) * | 2024-10-22 | 2026-04-23 | Motomotion China Corporation | Inclinable chair |
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