CN214048221U - Novel mechanical extension of motor drive money device - Google Patents

Abstract

The utility model discloses a novel motor drive money machinery extends device. This novel motor drive money machinery of improvement extends device includes the left side part and the right side part of symmetry, and the left side part includes shank extension mechanism, bedplate link gear and back mechanism, bedplate link gear includes preceding installed part, the one end pin joint of preceding installed part is in the front portion of bottom connecting rod, another tip pin joint of preceding installed part has preceding installed part one, the middle part pin joint of preceding installed part has preceding installed part two, the other end pin joint of preceding installed part two has side connecting rod spare, the front end pin joint of side connecting rod spare has the middle part of preceding installed part one, the rear end pin joint of side connecting rod spare has the back to rotate, the back rotates the pin joint and has the back installed part, the other end pin joint of back installed part is in bottom connecting rod rear end, the back rotates the piece and the preceding pin joint of rotating the piece has the assembly curb plate together. The utility model provides a current bedplate link gear structure complicated, spare part is more, and the cost of manufacture is high, the high problem of jamming risk.

Description

Novel mechanical extension of motor drive money device

Technical Field

The utility model relates to a house field of making, in particular to novel motor drive type machinery extends device.

Background

Nowadays, the sitting health problem of people is increasingly prominent, and in order to solve the health problem brought to human bodies by sitting for a long time, various leisure chairs, massage chairs, zero-gravity sofas and functional sofas with various postures and function changes are developed. Wherein the multifunctional electric sofa has a wider application prospect. The multifunctional sofa or the chair can realize the stable transformation from sitting posture, leisure posture to lying posture, and meet various requirements of sitting posture, leisure posture, sleeping posture and the like.

A sofa linking frame device with the prior publication No. CN210330014U, a stretching frame, especially a seat plate linking mechanism, is disclosed, as shown in fig. 1-2, the seat plate linking mechanism 32 is rotatably connected to the strip-shaped bottom frame 11 through a first supporting member 321 and a second supporting member 322, the seat plate linking mechanism 32 includes an L-shaped seat frame mounting plate 323, a first connecting rod 324, a second connecting rod 325 and a third connecting rod 326, one end of the first connecting rod 324 is connected to a first seat frame bracket 327, the other end of the first connecting rod 324 is connected to a third seat frame bracket 329, one end of the second connecting rod 325 is connected to the first supporting member 321, the other end of the second connecting rod 325 is connected to a second seat frame bracket 328, one end of the third connecting rod 326 is connected to a second seat frame bracket 328, the other end of the third connecting rod 326 is connected to the leg stretching mechanism 33, the first seat frame bracket 327, the second connecting rod 325, the third connecting rod 326, the leg stretching mechanism 32, and the leg stretching mechanism, A second seat frame bracket 328 and a third seat frame bracket 329 are provided on the L-shaped seat frame mounting plate 323. The structure is complicated, and spare part is more, not only increases the material expense, prolongs the production line moreover, leads to the cost of manufacture high to require height, have the risk of jamming to the assembly.

In addition, in the process of adjusting the sitting posture to the leisure posture in the prior art, the backrest mechanism moves forwards along with the integral mechanical stretching device, particularly in the application of two-person sofa and three-person sofa with tea tables in two or two positions, the backrest mechanism is adjusted to the leisure posture from the sitting posture in one position, and the backrest mechanism is dislocated with the backrest mechanisms in other positions, so that the integral aesthetic property is greatly influenced; secondly, in the process of adjusting the sitting posture to the leisure posture, the backrest mechanism also sinks while moving forwards, and the risk of the mechanical stretching device colliding with the ground can exist after long-term movement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model discloses having carried out the structural redesign, having satisfied that the structure is simplified, weight reduction, cost of manufacture are low, production efficiency is high, avoids the risk of sinking, and the leisure appearance is more pleasing to the eye, also reduces the novel motor drive money mechanical stretching device of jamming risk simultaneously.

In order to achieve the above object, the utility model discloses a novel mechanical extension of motor drive money device adopts's technical scheme is:

the utility model provides a novel motor drive money machinery extends device, left side part and right side part including the symmetry, the left side part includes shank extension mechanism, bedplate link gear and back mechanism, bedplate link gear includes preceding installed part, the one end pin joint of preceding installed part is in the front portion of bottom connecting rod, another tip pin joint of preceding installed part has preceding movable part one, the middle part pin joint of preceding installed part has preceding movable part two, the other end pin joint of preceding movable part two has side connecting rod spare, the front end pin joint of side connecting rod spare is in the middle part of preceding movable part one, the rear end pin joint of side connecting rod spare has the back to rotate, the pin joint of back rotation spare has back installed part, the other end pin joint of back installed part is in bottom connecting rod rear end, the back rotates the piece and the preceding movable part pin joint has the assembly curb plate together. The front mounting part is pivoted with the first front rotating part and the second front rotating part, the rear mounting part is pivoted with the rear rotating part, the first front rotating part and the second front rotating part are directly pivoted with the rear rotating part through the side connecting rod part, and the rear rotating part and the front rotating part are pivoted with the side plates at the same time to complete the linkage of the seat plate.

Preferentially, be provided with actuating mechanism between left side part and the right side part, actuating mechanism includes dead lever and actuating lever, and the dead lever rigid coupling extends the mechanism in the shank, and the actuating lever pin joint rotates the piece in the back, is provided with reciprocating motion device on the dead lever, and reciprocating motion device orders about actuating lever reciprocating motion. The driving rod is pivoted with the rear rotating part, so that the degree of freedom of the driving rod is improved, the phenomenon of pause and contusion when the seat plate linkage mechanism extends is avoided, and the motion stability and the comfort level of a user are improved.

Preferably, the reciprocating device includes a driving motor hinged to the fixing rod, the driving motor drives the sliding block to slide on the sliding rail, and the sliding block is hinged to the driving rod.

Preferably, a front supporting piece is fixedly connected between the front mounting pieces on the left side and the right side, the front supporting piece is provided with a first avoidance notch, a rear supporting piece is fixedly connected between the rear mounting pieces on the left side and the right side, and the rear supporting piece is provided with a second avoidance notch. The first avoidance notch prevents the reciprocating motion device from interfering with the front supporting piece in the motion process, and the second avoidance notch prevents the reciprocating motion device from interfering with the rear supporting piece in the motion process.

Preferentially, shank extension mechanism includes the bracket assembly plate, and the bracket assembly plate pin joint has shank connecting rod one and shank connecting rod two, and the other end pin joint of shank connecting rod one has shank connecting rod three, and the other end pin joint of shank connecting rod three is in the assembly curb plate, and the other end pin joint of shank connecting rod two has shank connecting rod four, and the other end pin joint of shank connecting rod four is in the assembly curb plate.

Preferably, the backrest mechanism comprises a backrest mounting plate pivoted with the assembling side plate, the other end of the backrest mounting plate is pivoted with a rear supporting connecting rod, and the other end of the rear supporting connecting rod is pivoted with a rear rotating piece.

Preferably, still include the base, the base includes bilateral symmetry's bottom connecting rod, and bottom connecting rod both ends rigid coupling has the bottom sprag pole.

Preferably, a protection member is fixedly connected to the rear part of the assembling side plate.

Compared with the prior art, the utility model, have following advantage:

1. the front mounting part is pivoted with the first front rotating part and the second front rotating part, the rear mounting part is pivoted with the rear rotating part, the first front rotating part and the second front rotating part are directly pivoted with the rear rotating part through the side connecting rod part, and the rear rotating part and the front rotating part are pivoted with the side plates at the same time to complete the linkage of the seat plate. And the prior art: the first support member 321 is pivotally connected to the first seat frame support 327 and the second link 325, the middle portion of the first seat frame support 327 is pivotally connected to the first link 324, the first link 324 is pivotally connected to the third seat frame support 329, the third seat frame support 329 is pivotally connected to the second support member 322 and the L-shaped seat frame mounting plate 323, the other end portion of the first seat frame support 327 is pivotally connected to the L-shaped seat frame mounting plate 323, the second link 325 is pivotally connected to the second seat frame support 328, the second seat frame support 328 is pivotally connected to the third link 326, and the third link 326 is pivotally connected to the second extending member 332, so as to complete seat plate linkage. Compared with the prior art, the utility model omits the third connecting rod 326 and the second seat frame bracket 328, thereby simplifying the structure, reducing the weight, reducing the manufacturing cost, improving the production efficiency and reducing the clamping stagnation risk while ensuring the linkage function;

2. in the process of adjusting the sitting posture to the leisure posture, only the leg extension mechanism is completely unfolded, the seat plate linkage mechanism and the backrest mechanism are kept in the contraction state, and the backrest mechanisms of the sofa are in the contraction state in the styles of two-person sofa and two-person sofa with tea tables, and three-person sofa, so that the attractiveness of the sofa is greatly improved; in the process of adjusting the sitting posture to the leisure posture, only the leg stretching mechanism is completely unfolded, so that the risk of sinking of the mechanical stretching device is avoided to a greater extent, and the product is more stable.

3. The driving rod is pivoted with the rear rotating part, so that the degree of freedom of the driving rod is improved, the phenomenon of pause and contusion when the seat plate linkage mechanism extends is avoided, and the motion stability and the comfort level of a user are improved;

4. the first avoidance notch prevents the reciprocating motion device from interfering with the front supporting piece in the motion process, and the second avoidance notch prevents the reciprocating motion device from interfering with the rear supporting piece in the motion process.

Drawings

FIG. 1 is a view of a sofa linkage bracket assembly of grant publication No. CN 210330014U;

FIG. 2 is a view of a sofa linkage bracket assembly of grant publication No. CN 210330014U;

fig. 3 is a schematic structural view of a novel motor-driven mechanical stretching device of the present invention;

FIG. 4 is a schematic front view of the left side member in a seated position;

FIG. 5 is a rear schematic view of the left side member in a seated position;

FIG. 6 is a schematic front view of the left side member in the leisure position;

FIG. 7 is a rear schematic view of the left side member in the relaxed position;

FIG. 8 is a schematic front view of the left side member in a recumbent position;

FIG. 9 is a schematic rear view of the left side member in a recumbent position;

FIG. 10 is a schematic view of a drive mechanism;

FIG. 11 is a schematic view of the front and rear supports;

fig. 12 is a schematic structural view of the seat plate linkage mechanism.

Wherein 1 a base, 11 a bottom link, 12 a bottom support bar, 2 a left side member, 21 a leg extension mechanism, 211 a leg rest mounting plate, 212 a leg link one, 213 a leg link two, 214 a leg link three, 215 a leg link four, 22 a seat plate linkage mechanism, 221 a front mounting member, 222 a front rotating member one, 223 a front rotating member two, 224 a side link member, 225 a rear rotating member, 226 a rear mounting member, 227 a mounting side plate, 228 a protector member, 23 a backrest mechanism, 231 a back mounting plate, 232 a rear support link, 241 a first shaft, 242 a second shaft, 243 a third shaft, 244 a fourth shaft, 245 a fifth shaft, 246 a sixth shaft, 247 a seventh shaft, 248 an eighth shaft, 249 a ninth shaft, 250 a tenth shaft, 251 a tenth shaft, 252 a twelfth shaft, 253 a tenth shaft, 254 a tenth shaft, 255 a fifteenth shaft, 256 a sixteenth shaft, 257 a seventeenth shaft, 258 an eighteenth shaft, 259 a nineteenth shaft, 260 a twentieth shaft, a first limit pin 271, 272 second limit pin, 273 third limit pin, 274 fourth limit pin, 275 fifth limit pin, 281 first limit surface, 282 second limit surface, 283 third limit surface, 284 fourth limit surface, 285 fifth limit surface, 286 sixth limit surface, 287 seventh limit surface, 3 right side component, 4 driving mechanism, 41 fixed rod, 42 driving rod, 421 connecting piece, 43 reciprocating motion device, 431 driving motor, 432 slider, 433 slide rail, 5 front support piece, 51 first avoidance gap, 6 rear support piece, 61 second avoidance gap.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and specific embodiments, which are to be understood as illustrative only and not limiting in scope, and modifications of the various equivalent forms of the present invention, similar to the structure of the present invention, which are obvious to those skilled in the art after reading the present invention, will fall within the scope defined by the appended claims.

As shown in fig. 3 to 12, a novel motor-driven mechanical stretching device comprises a base 1, the base comprises a bottom connecting rod 11 which is bilaterally symmetrical, two ends of the bottom connecting rod are fixedly connected with a bottom supporting rod 12, the left bottom connecting rod is pivoted with a left part 2, the right bottom connecting rod is pivoted with a right part 3, the left part and the right part are mutually symmetrical, the left part comprises a leg stretching mechanism 21, a seat plate linkage mechanism 22 and a backrest mechanism 23, the seat plate linkage mechanism comprises a front mounting part 221, one end of the front mounting part is pivoted to the front part of the left bottom connecting rod through a first shaft 241, the other end of the front mounting part is pivoted to a front rotating part 222 through a second shaft 242, the middle part of the front mounting part is pivoted to a front rotating part two 223 through a third shaft 243, the other end of the front rotating part two is pivoted to a side connecting rod 224 through a fourth shaft 244, the front end of the side connecting rod is pivoted to the middle part of the front rotating part through a fifth shaft 245, the rear end of the side link piece is pivoted with a rear rotating piece 225 through a sixth shaft 246, the rear rotating piece is pivoted with a rear mounting piece 226 through a seventh shaft 247, the inner side of the rear rotating piece is provided with a first limit pin 271, the rear mounting piece is provided with a first limit surface 281 matched with the first limit pin, the other end of the rear mounting piece is pivoted with the rear end of the bottom link through an eighth shaft 248, the rear rotating piece is pivoted with an assembling side plate 227 through a ninth shaft 249, the outer side of the rear rotating piece is provided with a second limit pin 272, the assembling side plate is provided with a second limit surface 282 matched with the second limit pin, the first front rotating piece is pivoted with the assembling side plate through a tenth shaft 250, the outer side of the first front rotating piece is provided with a third limit pin 273, the assembling side plate is provided with a third limit surface 283 matched with the third limit pin, the rear part of the assembling side plate is fixedly connected with a protecting piece 228, the leg stretching mechanism comprises a leg supporter assembling plate 211, the leg assembling plate is pivoted with a leg link rod 212 through a tenth shaft 251, the leg rest assembly plate is pivoted with a leg link II 213 through a twelfth shaft 252, the other end of the leg link I is pivoted with a leg link III 214 through a thirteenth shaft 253, the other end of the leg link III is pivoted with the assembly side plate through a twelfth shaft 254, the other end of the leg link II is pivoted with a leg link IV 215 through a fifteenth shaft 255, the other end of the leg link IV is pivoted with the assembly side plate through a sixteenth shaft 256, the leg link IV is provided with a fourth limit surface 284 matched with the third limit pin, a fourth limit pin 274 is arranged on the inner side of the leg link I, a fifth limit surface 285 matched with the fourth limit pin is arranged on the leg link II, a fifth limit pin 275 is arranged on the inner side of the leg link III, a sixth limit surface 286 and a seventh limit surface 287 matched with the fifth limit pin are arranged on the leg link II, the backrest mechanism comprises a backrest mounting plate 231, and the backrest mounting plate is pivoted with the assembly side plate through a seventeenth shaft 257, the other end of the backrest mounting plate is pivoted with a rear supporting connecting rod 232 through an eighteenth shaft 258, the other end of the rear supporting connecting rod is pivoted with a rear rotating part through a nineteenth shaft 259, a driving mechanism 4 is mounted between a left side part and a right side part and comprises a fixed rod 41 and a driving rod 42, the fixed rod is mounted between a left leg connecting rod and a right leg connecting rod, two ends of the driving rod are fixedly connected with connecting pieces 421, the connecting pieces are hinged with the rear rotating part through a twentieth shaft 260, a reciprocating device 43 is mounted on the fixed rod and drives the driving rod to reciprocate, the reciprocating device comprises a driving motor 431 hinged with the fixed rod, the driving motor drives a sliding block 432 to slide on a sliding rail 433, the sliding block is hinged with the driving rod, a front supporting piece 5 is fixedly connected between front mounting pieces on the left side and the right side, a first avoiding gap 51 is formed in the front supporting piece and avoids the reciprocating device from interfering with the front supporting piece in the moving process, and a rear supporting piece 6 is fixedly connected between the rear mounting pieces at the left side and the right side, and a second avoidance notch 62 is formed in the rear supporting piece and used for avoiding the interference phenomenon between the reciprocating motion device and the rear supporting piece in the motion process.

The utility model discloses a concrete working process and principle:

during the position of sitting, leg extension mechanism, bedplate link gear and back mechanism all are in the contraction state, and the slider is nearest with driving motor, and five spacer pins all are in operating condition, and first spacer pin conflicts the first spacing face promptly, and the spacing face of second spacer pin conflict second, and the spacing face of third and fourth is contradicted simultaneously to the third spacer pin, and the spacing bush (not drawn in the spacing bush picture) is cup jointed in the fourth spacer pin outside, and spacing bush conflicts the fifth spacing face, and the spacing face of fifth spacer pin conflict sixth.

When the leisure appearance is adjusted to the position of sitting, start driving motor, the slider is to keeping away from driving motor's direction motion, under the effect of actuating lever, shank extension mechanism is in the state of expanding completely, bedplate link gear and back mechanism keep the contraction state, the fourth spacer pin breaks away from the fifth spacing face promptly, the seventh spacing face of fifth spacer pin conflict, it is in the state of expanding completely to keep shank extension mechanism, the fourth spacing face breaks away from the third spacer pin, the third spacer pin only conflicts the third spacing face, first spacer pin keeps conflicting first spacing face, the second spacer pin keeps conflicting the second spacing face, keep bedplate link gear and back mechanism to be in the contraction state.

When the leisure appearance is adjusted the appearance of lying, continue to start driving motor, the slider continues to move to the direction of keeping away from driving motor, under the effect of actuating lever, shank extension mechanism, bedplate link gear and back mechanism all are in the state of expanding, the fourth spacer pin breaks away from the fifth spacing face promptly, the fifth spacer pin contradicts the seventh spacing face, keep shank extension mechanism to be in the state of expanding completely, the third spacer pin breaks away from the third spacing face, first spacer pin breaks away from first spacing face, the second spacer pin breaks away from the second spacing face, make bedplate link gear and back mechanism all be in the state of expanding.

Therefore, in the process of adjusting the sitting posture to the leisure posture of the utility model, only the leg extension mechanism is completely unfolded, the seat board linkage mechanism and the backrest mechanism are kept in the contraction state, when the utility model is applied to the styles of two-person sofa and two-person sofa with tea table, the individual position of the sofa does not affect the overall beauty when adjusting the state; in the process of adjusting the sitting posture to the leisure posture, only the leg stretching mechanism is completely unfolded, so that the risk of sinking of the mechanical stretching device is avoided to a greater extent, and the product is more stable.

As shown in fig. 12, the utility model discloses a bedplate link gear includes preceding installed part, preceding movable part one, preceding movable part two, side link spare, the back rotates the piece, back installed part and assembly curb plate, seven plates accomplish the linkage, two plates have been reduced for prior art, the structure has been simplified, weight has been lightened, the cost of manufacture has been reduced, production efficiency has been improved, the jamming risk is reduced, and through the mounting means who changes the actuating lever, improve its degree of freedom, appear the phenomenon of contusion when avoiding bedplate link gear to extend, improve motion stationarity and user's comfort level.

Claims (8)

1. The utility model provides a novel mechanical extension of motor drive money device which characterized in that: including the left side part and the right side part of symmetry, the left side part includes shank extension mechanism, bedplate link gear and back mechanism, bedplate link gear includes preceding installed part, the one end pin joint of preceding installed part is in the front portion of bottom connecting rod, another tip pin joint of preceding installed part has preceding installed part one, the middle part pin joint of preceding installed part has preceding installed part two, the other end pin joint of preceding installed part two has side connecting rod spare, the front end pin joint of side connecting rod spare is in the middle part of preceding installed part one, the rear end pin joint of side connecting rod spare has the back to rotate, the pin joint of back rotation spare has back installed part, the other end pin joint of back installed part is in bottom connecting rod rear end, the back rotates the piece and rotates the piece pin joint simultaneously and has the assembly curb plate before.

2. The novel mechanical extension device of motor-driven type of claim 1, characterized in that: be provided with actuating mechanism between left side part and the right side part, actuating mechanism includes dead lever and actuating lever, and the dead lever rigid coupling extends the mechanism in the shank, and the actuating lever pin joint rotates the piece in the back, is provided with reciprocating motion device on the dead lever, and reciprocating motion device orders about actuating lever reciprocating motion.

3. The novel mechanical extension device of motor-driven type of claim 2, characterized in that: the reciprocating motion device comprises a driving motor hinged with the fixed rod, the driving motor drives the sliding block to slide on the sliding rail, and the sliding block is hinged with the driving rod.

4. The novel mechanical extension device of motor-driven type of claim 1, characterized in that: a front supporting piece is fixedly connected between the front mounting pieces on the left side and the right side, a first avoidance notch is formed in the front supporting piece, a rear supporting piece is fixedly connected between the rear mounting pieces on the left side and the right side, and a second avoidance notch is formed in the rear supporting piece.

5. The novel mechanical extension device of motor-driven type of claim 1, characterized in that: the leg stretching mechanism comprises a leg assembly plate, a leg connecting rod I and a leg connecting rod II are pivoted on the leg assembly plate, a leg connecting rod III is pivoted at the other end of the leg connecting rod I, the other end of the leg connecting rod III is pivoted on the assembly side plate, a leg connecting rod IV is pivoted at the other end of the leg connecting rod II, and the other end of the leg connecting rod IV is pivoted on the assembly side plate.

6. The novel mechanical extension device of motor-driven type of claim 1, characterized in that: the backrest mechanism comprises a backrest mounting plate pivoted with the assembling side plate, the other end of the backrest mounting plate is pivoted with a rear supporting connecting rod, and the other end of the rear supporting connecting rod is pivoted with a rear rotating piece.

7. The novel mechanical extension device of motor-driven type of claim 1, characterized in that: the base comprises a left bottom connecting rod and a right bottom connecting rod which are symmetrical, and two ends of the bottom connecting rod are fixedly connected with bottom supporting rods.

8. The novel mechanical extension device of motor-driven type of claim 1, characterized in that: and a protecting piece is fixedly connected to the rear part of the assembling side plate.

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