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CN202820377U - Movable sofa mechanical stretching device - Google Patents

Movable sofa mechanical stretching device Download PDF

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Publication number
CN202820377U
CN202820377U CN201220436809.5U CN201220436809U CN202820377U CN 202820377 U CN202820377 U CN 202820377U CN 201220436809 U CN201220436809 U CN 201220436809U CN 202820377 U CN202820377 U CN 202820377U
Authority
CN
China
Prior art keywords
connector
rotating shaft
connecting rod
leg connecting
rotationally connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201220436809.5U
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Chinese (zh)
Inventor
黄小卫
秦顺云
邹国礼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RUIMAI MACHINERY TECHNOLOGY (WUJIANG) Co Ltd
Original Assignee
RUIMAI MACHINERY TECHNOLOGY (WUJIANG) Co Ltd
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Publication date
Application filed by RUIMAI MACHINERY TECHNOLOGY (WUJIANG) Co Ltd filed Critical RUIMAI MACHINERY TECHNOLOGY (WUJIANG) Co Ltd
Priority to CN201220436809.5U priority Critical patent/CN202820377U/en
Application granted granted Critical
Publication of CN202820377U publication Critical patent/CN202820377U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a movable sofa mechanical stretching device which comprises a left side part, a right side part, a switch part and a locking spring. The left side part and the right side part are fixedly connected through a fixing part. The switch part is arranged on the left side part or the right side part. The left side part and the right side part are both provided with foot rests, first leg connecting rods, second leg connecting rods, third leg connecting rods, fourth leg connecting rods, fifth leg connecting rods, sixth leg connecting rods, slide connecting pieces, slide limiting connecting pieces, first slide connecting pieces, second slide connecting pieces, third slide connecting pieces, fourth slide connecting pieces, fifth slide connecting pieces, leg drive connecting pieces, front support pieces, back support pieces, auxiliary mounting pieces, mounting side plates, seat frame mounting plates, back pushing pieces, back limiting pieces, fixing connecting pieces, back connecting pieces, pull cable drive connecting pieces, connecting pipe drive connecting pieces and turn-up fixing pieces. According to the movable sofa mechanical stretching device, part combination, connecting points and position limiting are designed, a connecting rod drive device is designed, and the phenomenon that left parts and the right parts are not synchronous during a stretching process of the movable sofa mechanical stretching device is avoided.

Description

Active sofa mechanical stretching device
Technical field
The utility model relates to a kind of sofa seat chair apparatus, and particularly a kind of leg of putting can draw or launch the Multifunctional mechanical extending device of movable sofa that backrest angle can necessarily be regulated in.
Background technology
Present existing active sofa mechanical stretching device has the place of four great deficiencies: 1, sitting height is all generally higher, causes the user in the process of using, and both feet do not land, and shank of long duration has sense of fatigue, affects the comfortableness of sofa.2, the stamping parts of sofa bottom brandreth exposes, and the bottom can not coat fully when forcing the exploitation of function sofa, and mechanical extending device for sofa is seemed without security, affects the outward appearance of function sofa and the exploitation of use.3, sliding rail driving device forces left and right of function sofa asynchrony phenomenon to occur in stretching process, affects user's comfort level and Operational Figure Of Merit.4, in the use procedure, the part sinkage can appear in active sofa mechanical stretching device, cushion, affects active sofa mechanical stretching device service life, brings potential safety hazard to the user for this reason.
The utility model content
Technical problem to be solved in the utility model is to overcome existing above-mentioned deficiency in the prior art, and provide a kind of simple for structure, easy to use, the relative like product of sitting height is lower, stability is better, fastness is stronger, uses more widely active sofa mechanical stretching device.
The utility model solves the problems of the technologies described above the technical scheme that adopts: this active sofa mechanical stretching device, comprise left-hand side part, right side members, switch block, the first spring, the second spring, left-hand side part is fixedly connected with by fixed part with right side members, switch block is installed on left-hand side part or the right side members, it is characterized in that: described left-hand side part, right side members is provided with identical toe board, the first leg connecting rod, the second leg connecting rod, the 3rd leg connecting rod, the 4th leg connecting rod, the 5th leg connecting rod, the 6th leg connecting rod, the slip limit connector, the first sliding connector, the second sliding connector, the 3rd sliding connector, the 4th sliding connector, the 5th sliding connector, shank drives connector, the front support connector, the rear support connector, auxiliary installation piece, side plate is installed, sit the frame installing plate, the back of the body connects part, the backrest impeller, back of the body locating part, fixed connecting piece, back of the body connector, drag-line drives connector, tube connector drives connector, the flange fixture, fixed connecting piece is fixed on to be sat on the frame installing plate, the back of the body connects part and back of the body connector, back of the body locating part connects, side plate and slip limit connector are installed, the first sliding connector, the backrest impeller connects, the first sliding connector and the second sliding connector, the 5th sliding connector is rotationally connected, the 5th sliding connector and the 3rd sliding connector, the 4th sliding connector is rotationally connected, slip limit connector and the 3rd sliding connector, the 4th sliding connector is rotationally connected, auxiliary installation piece and the 3rd sliding connector, the rear support connector, the front support connector, the second sliding connector connects, sit frame installing plate and rear support connector, the front support connector, fixed connecting piece, tube connector drives connector, the 6th leg connecting rod, the 5th leg connecting rod connects, the rear support connector drives connector with shank and is connected, shank drives connector and is connected with the 6th leg connecting rod, the 6th leg connecting rod is connected with the 4th leg connecting rod, the 4th leg connecting rod and the 5th leg connecting rod, the 3rd leg connecting rod connects, the 5th leg connecting rod is connected with the second leg connecting rod, the 3rd leg connecting rod and the 4th leg connecting rod, the second leg connecting rod, the first leg connecting rod connects, toe board and the first leg connecting rod, the second leg connecting rod connects, drag-line drives connector and the 6th leg connecting rod, tube connector drives connector and connects, the flange fixture is fixed on to be installed on the side plate, the first limiting bush is installed on the second leg connecting rod, the second limiting bush is installed on the installation side plate, the 3rd limiting bush is installed on the back of the body locating part, the 4th limiting bush is installed tube connector and is driven on the connector, stop bridge is arranged on to be sat on the frame installing plate, banking pin is arranged on the backrest impeller, be provided with the second confined planes on the toe board, the first confined planes is set on the first leg connecting rod, the 5th confined planes is set on the slip limit connector, the 3rd confined planes is set on the fixed connecting piece, the 7th confined planes is set on the front support connector, on the back of the body locating part the 4th confined planes is set, drag-line drives on the connector the 6th confined planes is set, the first limiting bush and the second confined planes, the first confined planes cooperates, the second limiting bush cooperates with the 5th confined planes, the 3rd limiting bush cooperates with the 3rd confined planes, the 4th limiting bush cooperates with the 6th confined planes, stop bridge cooperates with the 7th confined planes, banking pin cooperates with the 4th confined planes, two the first springs respectively symmetry are installed in left-hand side part, the shank of right side members drives connector, tube connector drives between the connector, and two the second springs respectively symmetry are installed in left-hand side part, the fixed connecting piece of right side members, between the auxiliary installation piece.
The utility model has reduced the seat height of active sofa mechanical stretching device itself.The decline of seat height can be satisfied the designing requirement of the high function sofa of low seat on the one hand, simultaneously condition has been created for the comfortableness that increases seat cushion thickness and seat sense in the high relatively high area of seat.
The utility model has been optimized the brandreth height dimension on the height of traditional product, shorten the active sofa mechanical stretching device part, and comprehensive coating can be realized in the sofa bottom.The outward appearance of sofa is more attractive in appearance, and the user can be safer, has improved greatly the class of sofa.
The utility model has adopted driving rod drive to replace the traditional sliding rail driving device in market, can effectively stop the asynchrony phenomenon that the left and right parts of function sofa occur in motion process.That the user in use uses is more comfortable, the operation is sensitiveer.
The utility model increases flange supporting and location, the service life of greatly improving brandreth on the basis, installing hole location that keeps traditional product.Side plate increase flange fixture is installed, adopt the mode of riveted joint to connect (using more firm), traditional product is somebody's turn to do the location in the life-span, the user is between in use in the long situation, just brandreth can occur, cause damaging sofa, bring great potential safety hazard to the user.After this patent adopts the flange location, can prevent effectively that brandreth from sinking.The user feels more relieved, and has directly improved the service life of sofa.
Toe board described in the utility model and the first leg connecting rod are rotationally connected by the first rotating shaft; The first leg connecting rod and the 3rd leg connecting rod are rotationally connected by the 13 rotating shaft; The second leg connecting rod and toe board are rotationally connected by the 23 rotating shaft; The 3rd leg connecting rod and the second leg connecting rod are rotationally connected by the 12 rotating shaft; The 5th leg connecting rod and the 4th leg connecting rod are rotationally connected by the 14 rotating shaft, and the 5th leg connecting rod and the second leg connecting rod are rotationally connected by the 35 rotating shaft; The 4th leg connecting rod and the 3rd leg connecting rod are rotationally connected by the second rotating shaft; The 6th leg connecting rod and the 4th leg connecting rod are rotationally connected by the 34 rotating shaft; Sitting frame installing plate and the 5th leg connecting rod is rotationally connected by the 3rd rotating shaft, sitting frame installing plate and the 6th leg connecting rod is rotationally connected by the 24 rotating shaft, sitting frame installing plate and front support connector is rotationally connected by the 5th rotating shaft, sitting frame installing plate and rear support connector is rotationally connected by the 26 rotating shaft, sit frame installing plate and tube connector driving connector and be rotationally connected by the 32 rotating shaft, fixed connecting piece is installed in by the 3rd fixing hole, the 4th fixing hole, the 5th fixing hole and sits on the frame installing plate; Fixed connecting piece connects part with the back of the body and is rotationally connected by the 9th rotating shaft; The back of the body connects part and is rotationally connected by the tenth rotating shaft with back of the body connector; Back of the body connector is rotationally connected by the 21 rotating shaft with back of the body locating part; Back of the body locating part and backrest impeller are rotationally connected by the 27 rotating shaft; The backrest impeller is rotationally connected by the 20 rotating shaft with the installation side plate; Side plate and slip limit connector are installed are rotationally connected by the 17 rotating shaft, side plate and the first sliding connector are installed are rotationally connected by the 15 rotating shaft, the flange fixture is installed in by the first fixing hole, the second fixing hole and installs on the side plate; The first sliding connector and the second sliding connector are rotationally connected by the 4th rotating shaft, and the first sliding connector and the 5th sliding connector are rotationally connected by the 6th rotating shaft; The 5th sliding connector and the 4th sliding connector are rotationally connected by the 7th rotating shaft, slip limit connector and the 3rd sliding connector are rotationally connected by the 19 rotating shaft, the 5th sliding connector and the 3rd sliding connector are rotationally connected by the 28 rotating shaft, and the 5th sliding connector and the 3rd sliding connector are rotationally connected by the 19 rotating shaft; The 4th sliding connector and slip limit connector are rotationally connected by the 8th rotating shaft; The 3rd sliding connector and auxiliary installation piece are rotationally connected by the 18 rotating shaft; Auxiliary installation piece and front support connector are rotationally connected by the 36 rotating shaft, and auxiliary installation piece and rear support connector are rotationally connected by the 29 rotating shaft, and auxiliary installation piece and the second sliding connector are rotationally connected by the 16 rotating shaft; Tube connector drives connector and the 6th leg connecting rod is rotationally connected by the 33 rotating shaft; Rear support connector and shank drive connector and are rotationally connected by the 30 rotating shaft; Shank drives connector and the 6th leg connecting rod is rotationally connected by the 25 rotating shaft.
Switch block described in the utility model comprises and pulls support, stay cord, the drag-line switch, the drag-line back-moving spring, be provided with the second spring fitting rivet on the auxiliary installation piece of left-hand side part and right side members, be provided with the second spring mounting hole on the fixed connecting piece, tube connector drives on the connector and is provided with the first spring fitting rivet, being provided with the first spring flange on the shank driving connector buckles, the first both ends of the spring is hung in the first spring fitting rivet and the first spring flange buckles, the second spring is hung on the second spring fitting rivet and the second spring mounting hole, pulling support is installed on the seat frame installing plate, drag-line back-moving spring one end is installed in by drag-line line resigning hole and sits on the frame installing plate, the drag-line back-moving spring other end with pull support and be connected, one end of stay cord passes the drag-line installing hole and pulls support and be connected, and the stay cord other end is connected with the drag-line switch.
Fixed part described in the utility model comprises tube connector, strengthens torsion resistant tube, and the tube connector that tube connector is fixed on left-hand side part, right side members drives on the connector, strengthens torsion resistant tube and is fixed on the auxiliary installation piece of left-hand side part, right side members.
The utility model can be widely used in single position, Double-bit, and three people positions, the theater sofa, the design of the multiple combinations such as corner sofa design makes things convenient for customers with a large amount of new products of the product development of a series.
The utility model goes for manual and electronic mode, can directly apply to the manual mode controls such as circular drag-line type, meta drag-line type, built-in handle type, external joystick type, goes back useable electric moter and drives control.
The utility model also can be applicable to the chair lift Functional Design, because sitting height reduces, has promoted security and the class of sofa.
The utility model is to parts composition, tie point and spacing the redesign.Adopted driving rod drive, the user in use can be more comfortable; Increase the flange location, the service life of having improved brandreth; Reduce the whole height of brandreth, can realize that the sofa bottom coats comprehensively; Reduced brandreth sitting height size, be conducive to the exploitation that sofa extends, enriched the kind of function sofa, its sitting height is relatively lower, application is more extensive, convenient and practical.
Description of drawings
Fig. 1 is the utility model embodiment left-hand side part or right side members shank front and the self-locking unfolding mode schematic diagram when drawing in fully.
Fig. 2 is the rearview of Fig. 1.
Fig. 3 is the utility model embodiment left-hand side part or the right side members shank front schematic view when launching fully.
Fig. 4 is the rearview of Fig. 3.
Fig. 5 is the utility model embodiment left-hand side part or the right side members lying posture front schematic view when launching fully.
Fig. 6 is the rearview of Fig. 5.
Fig. 7 is the utility model embodiment self-locking and open mode schematic diagram.
Fig. 8 is complete Multifunctional mechanical extending device of movable sofa after the utility model embodiment connects by pipe fitting.
Among the figure: 1-the second leg connecting rod; 2-the 5th leg connecting rod; 3-front support connector; 4-sits the frame installing plate; 5-the 5th sliding connector; 6-the 4th sliding connector; The 7-fixed connecting piece; The 8-back of the body connects part; The 9-toe board; 10-the first sliding connector; 11-the second sliding connector; 12-installs side plate; 13-slip limit connector; 14-the 3rd sliding connector; 15-backrest impeller; 16-carries on the back locating part; 17-carries on the back connector; 18-pulls support; The 19-shank drives connector; The 20-drag-line drives connector; 21-rear support connector; The 22-tube connector drives connector; The 23-auxiliary installation piece; 24-flange fixture; 25-the 4th leg connecting rod; 26-the 6th leg connecting rod; 27-the 3rd leg connecting rod; 28-the first leg connecting rod; 29-the first rotating shaft; 30-the second rotating shaft; 31-the 3rd rotating shaft; 32-the 4th rotating shaft; 33-the 5th rotating shaft; 34-the 6th rotating shaft; 35-the 7th rotating shaft; 36-the 8th rotating shaft; 37-the 9th rotating shaft; 38-the tenth rotating shaft; 39-the 11 rotating shaft; 40-the 12 rotating shaft; 41-the 13 rotating shaft; 42-the 14 rotating shaft; 43-the 15 rotating shaft; 44-the 16 rotating shaft; 45-the first fixing hole; 46-the second fixing hole; 47-the 17 rotating shaft; 48-the 18 rotating shaft; 49-the 19 rotating shaft; 50-the 20 rotating shaft; 51-the 21 rotating shaft; 52-the 22 rotating shaft; 53-the 23 rotating shaft; 54-the 24 rotating shaft; 55-the 25 rotating shaft; 56-the 26 rotating shaft; 57-the 3rd fixing hole; 58-the 4th fixing hole; 59-the 5th fixing hole; 60-the 27 rotating shaft; 61-the 28 rotating shaft; 62-the 29 rotating shaft; 63-the 30 rotating shaft; 64-the 31 rotating shaft; 65-the 32 rotating shaft; 66-the 33 rotating shaft; 67-the 34 rotating shaft; 68-the 35 rotating shaft; 69-the first confined planes; 70-the second confined planes; 71-the 3rd confined planes; 72-the 4th confined planes; 73-the 5th confined planes; 74-the 6th confined planes; 75-the 7th confined planes; 76-the first spring flange buckles; 77-the first spring fitting rivet (the 4th limiting bush); 78-the second spring fitting rivet; 79-the second spring mounting hole; 80-the first spring; 81-pulls the support fixing hole; 82-the second spring; 83-the 3rd limiting bush; The 84-banking pin; 85-the second limiting bush; 86-the first pipe pipe fitting installing hole; 87-the second pipe pipe fitting installing hole; 88-the first limiting bush; The 89-stop bridge; 90-drag-line line resigning hole; 91-drag-line installing hole; 92-the first mounting-positioning holes; 93-the second mounting-positioning holes; 94-strengthens torsion resistant tube; The 95-tube connector; 96-the 6th locating hole; 97-the 7th locating hole; 98-the 8th locating hole; 99-the 9th locating hole; 100-the 36 rotating shaft; The 101-stay cord; 102-drag-line switch; 103-drag-line back-moving spring.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment.
The present embodiment active sofa mechanical stretching device comprises left-hand side part, right side members, switch block, fixed part and the first spring 80, the second spring 82, left-hand side part is fixedly connected with by fixed part with right side members, described left-hand side part, right side members is provided with identical toe board 9, the first leg connecting rod 28, the second leg connecting rod 1, the 3rd leg connecting rod 27, the 4th leg connecting rod 25, the 5th leg connecting rod 2, the 6th leg connecting rod 26, slip limit connector 13, the first sliding connector 10, the second sliding connector 11, the 3rd sliding connector 14, the 4th sliding connector 6, the 5th sliding connector 5, shank drives connector 19, front support connector 3, rear support connector 21, auxiliary installation piece 23, side plate 12 is installed, sit frame installing plate 4, the back of the body connects part 8, backrest impeller 15, back of the body locating part 16, fixed connecting piece 7, back of the body connector 17, drag-line drives connector 20, tube connector drives connector 22, flange fixture 24; Toe board 9 and the first leg connecting rod 28 are rotationally connected by the first rotating shaft 29; The first leg connecting rod 28 and the 3rd leg connecting rod 27 are rotationally connected by the 13 rotating shaft 41; The second leg connecting rod 1 is rotationally connected by the 23 rotating shaft 53 with toe board 9; The 3rd leg connecting rod 27 and the second leg connecting rod 1 are rotationally connected by the 12 rotating shaft 40; The 5th leg connecting rod 5 and the 4th leg connecting rod 25 are rotationally connected by the 14 rotating shaft 42, and the 5th leg connecting rod 5 and the second leg connecting rod 1 are rotationally connected by the 35 rotating shaft 68; The 4th leg connecting rod 25 and the 3rd leg connecting rod 27 are rotationally connected by the second rotating shaft 30; The 6th leg connecting rod 26 and the 4th leg connecting rod 25 are rotationally connected by the 34 rotating shaft 67; Seat frame installing plate 4 and the 5th leg connecting rod 2 are rotationally connected by the 3rd rotating shaft 31, seat frame installing plate 4 and the 6th leg connecting rod 26 are rotationally connected by the 24 rotating shaft 54, sitting frame installing plate 4 is rotationally connected by the 5th rotating shaft 33 with front support connector 3, sitting frame installing plate 4 is rotationally connected by the 26 rotating shaft 56 with rear support connector 21, sit frame installing plate 4 and be rotationally connected by the 32 rotating shaft 65 with tube connector driving connector 22, sit frame installing plate 4 and be fixedly connected with by the 3rd fixing hole 57, the 4th fixing hole 58, the 5th fixing hole 59 with fixed connecting piece 7; Fixed connecting piece 7 connects part 8 with the back of the body and is rotationally connected by the 9th rotating shaft 37; The back of the body connects part 8 and is rotationally connected by the tenth rotating shaft 38 with back of the body connector 17; Back of the body connector 17 is rotationally connected by the 21 rotating shaft 51 with back of the body locating part 16; Back of the body locating part 16 is rotationally connected by the 27 rotating shaft 60 with backrest impeller 15; Backrest impeller 15 is rotationally connected by the 20 rotating shaft 50 with installation side plate 12; Side plate 12 is installed to be rotationally connected by the 17 rotating shaft 47 with slip limit connector 13, side plate 12 and the first sliding connector 10 are installed are rotationally connected by the 15 rotating shaft 43, side plate 12 is installed is fixedly connected with by the first fixing hole 45, the second fixing hole 46 with flange fixture 24; The first sliding connector 10 and the second sliding connector 11 are rotationally connected by the 4th rotating shaft 32, and the first sliding connector 10 and the 5th sliding connector 5 are rotationally connected by the 6th rotating shaft 34; The 5th sliding connector 5 and the 4th sliding connector 6 are rotationally connected by the 7th rotating shaft 35, slip limit connector 13 and the 3rd sliding connector 14 are rotationally connected by the 19 rotating shaft 49, and the 5th sliding connector 5 and the 3rd sliding connector 14 are rotationally connected by the 28 rotating shaft 61; The 4th sliding connector 6 is rotationally connected by the 8th rotating shaft 36 with slip limit connector 13; The 3rd sliding connector 14 is rotationally connected by the 18 rotating shaft 48 with auxiliary installation piece 23; Auxiliary installation piece 23 is rotationally connected by the 36 rotating shaft 100 with front support connector 3, auxiliary installation piece 23 is rotationally connected by the 29 rotating shaft 62 with rear support connector 21, and auxiliary installation piece 23 and the second sliding connector 11 are rotationally connected by the 16 rotating shaft 44; Drag-line drives connector 20 and the 6th leg connecting rod 26 is rotationally connected by the 33 rotating shaft 66; Rear support connector 21 drives connector 19 with shank and is rotationally connected by the 30 rotating shaft 63; Shank drives connector 19 and the 6th leg connecting rod 26 is rotationally connected by the 25 rotating shaft 55.The first limiting bush 88 is installed on the second leg connecting rod 1, the second limiting bush 85 is installed in to be installed on the side plate 12, the 3rd limiting bush 83 is installed on the back of the body locating part 16, the 4th limiting bush 77 is installed tube connector and is driven on the connector 22, stop bridge 89 is arranged on to be sat on the frame installing plate 4, banking pin 84 is arranged on the backrest impeller 15, be provided with the second confined planes 70 on the toe board 9, the first confined planes 69 is set on the first leg connecting rod 28, the 5th confined planes 73 is set on the slip limit connector 13,7 arrange the 3rd confined planes 71 on the fixed connecting piece, the 7th confined planes 75 is set on the front support connector 3, on the back of the body locating part 16 the 4th confined planes 72 is set, drag-line drives on the connector 20 the 6th confined planes 74 is set, the first limiting bush 88 and the second confined planes 70, the first confined planes 69 cooperates, the second limiting bush 85 cooperates with the 5th confined planes 73, the 3rd limiting bush 83 cooperates with the 3rd confined planes 71, the 4th limiting bush 77 cooperates with the 6th confined planes 74, stop bridge 89 cooperates with the 7th confined planes 75, banking pin 84 cooperates with the 4th confined planes 72, two the first springs 80 respectively symmetry are installed in left-hand side part, the shank of right side members drives connector 19, tube connector drives between the connector 22, and two the second springs 82 respectively symmetry are installed in left-hand side part, the fixed connecting piece 7 of right side members, between the auxiliary installation piece 23.Left-hand side part, right side members are symmetrical mutually.
The switch block of the present embodiment can be installed on left-hand side part or the right side members, switch block comprises and pulls support 18, stay cord 101, drag-line switch 102, drag-line back-moving spring 103, be provided with the second spring fitting rivet 78 on the auxiliary installation piece 23 of left-hand side part and right side members, be provided with the second spring mounting hole 79 on the fixed connecting piece 7, tube connector drives on the connector 22 and is provided with the first spring fitting rivet 77, be provided with the first spring flange on the shank driving connector 19 and buckle 76, the first spring 80 two ends are hung in the first spring fitting rivet 77 and the first spring flange buckles on 76, the second spring 82 is hung on the second spring fitting rivet 78 and the second spring mounting hole 79, pulling support 18 is installed on the seat frame installing plate 4, drag-line back-moving spring 103 1 ends are installed in by drag-line line resigning hole 90 and sit on the frame installing plate 4, drag-line back-moving spring 103 other ends with pull support 18 and be connected, one end of stay cord 101 passes drag-line installing hole 91 and pulls support 18 and be connected, and stay cord 101 other ends are connected with drag-line switch 102.When the spring flange buckles between the 76, the 31 rotating shaft 64, the 32 rotating shaft 65 when producing angle a (as shown in Figure 7, be the spring flange buckle between the 76, the 31 rotating shaft 64 distance farthest), produce flex point herein, when drag-line drives connector 20 and up puts the 6th confined planes 74 and contact, active sofa mechanical stretching device is in locking state, simultaneously, the first spring 80 produces a tensile force f 3(as shown in Figure 7), make active sofa mechanical stretching device play the effect of self-locking.
The fixed part of the present embodiment comprises tube connector 95, strengthens torsion resistant tube 94, the tube connector that tube connector 95 is fixed on left-hand side part, right side members drives on the connector 22, strengthen torsion resistant tube 94 and be fixed on the auxiliary installation piece 23 of left-hand side part, right side members, formed the complete Multifunctional mechanical extending device of movable sofa of a cover.These pipe fittings in the fixed part adopt bolt (referring to Fig. 8) usually.
Fig. 2~Fig. 3 is that active sofa mechanical stretching device draws the process that shank launches fully in from putting leg, the user is by pulling drag-line switch 102, the synchronously pulling of stay cord 101 that is connected to this moment on the drag-line switch 102 pulls support 18, therefore pulls support 18 and can produce a downward pressure F2(as shown in Figure 7); When pressure F2 touched tube connector in the process that presses down and drives connector 22, the tensile force f 3 that produces in the reseting procedure of the first spring 80 can promote the 6th leg connecting rod 26; The 6th leg connecting rod 26 is rotationally connected by the 34 rotating shaft 67 and the 4th leg connecting rod 25; The 4th leg connecting rod 25 is rotationally connected by the 14 rotating shaft 42, the second rotating shaft 30 and the 5th leg connecting rod 2, the 3rd leg connecting rod 27; The 5th leg connecting rod 2 is rotationally connected with seat frame installing plate 4, the second leg connecting rod 1, the 4th leg connecting rod 25 by the 3rd rotating shaft 31, the 14 rotating shaft 42, the 35 rotating shaft 68; The 3rd leg connecting rod 27 is rotationally connected by the second rotating shaft 30, the 13 rotating shaft 41, the 12 rotating shaft 40 and the 4th leg connecting rod 25, the second leg connecting rod 1, the first leg connecting rod 28; Toe board 9 is rotationally connected by the 23 rotating shaft 53, the first rotating shaft 29 and the first leg connecting rod 28, the second leg connecting rod 1; Drag-line drives connector 20 and drives connector 22 and be rotationally connected by the 33 rotating shaft 66, the 31 rotating shaft 64 and the 6th leg connecting rod 26, tube connector; Fixed connecting piece 7 is fixed on by the 3rd fixing hole 57, the 4th fixing hole 58, the 5th fixing hole 59 and sits above the frame installing plate 4; The back of the body connects part 8 and is rotationally connected by the 9th rotating shaft 37, the tenth rotating shaft 38, the 21 rotating shaft 51, the 11 rotating shaft 39, the 27 rotating shaft 60 interlocks with back of the body connector 17, back of the body locating part 16, backrest impeller 15, fixed connecting piece 7; Side plate 12 is installed to be rotationally connected by the 20 rotating shaft 50, the 17 rotating shaft 47, the 15 rotating shaft 43 interlocks with slip limit connector 13, the first sliding connector 10, backrest impeller 15; The first sliding connector 10 and the second sliding connector 11, the 5th sliding connector 5 are rotationally connected by the 4th rotating shaft 32, the 6th rotating shaft 34 respectively, the 5th sliding connector 5 and the 3rd sliding connector 14, the 4th sliding connector 6 are rotationally connected by the 19 rotating shaft 49, the 7th rotating shaft 35 respectively, the 4th sliding connector 6 is rotationally connected by the 8th rotating shaft 36 with slip limit connector 13, and the 5th sliding connector 5 and the 3rd sliding connector 14 are rotationally connected by the 28 rotating shaft 61; Auxiliary installation piece 23 and the 3rd sliding connector 14, rear support connector 21, front support connector 3, the second sliding connector 11 are rotationally connected by the 18 rotating shaft 48, the 29 rotating shaft 62, the 36 rotating shaft 100, the 16 rotating shaft 44 interlocks respectively; Sitting frame installing plate 4 is rotationally connected by the 26 rotating shaft 56, the 5th rotating shaft 33, the 24 rotating shaft 54 with rear support connector 21, front support connector 3, the 6th leg connecting rod 26; Rear support connector 21 drives connector 19 with shank, the 6th leg connecting rod 26 is rotationally connected by the 30 rotating shaft 63, the 25 rotating shaft 55 interlocks; When shank during at rounding state, the locking position-limiting action that contacted with the second confined planes 70 on the toe board 9 of the first limiting bush 88 on the second leg connecting rod 1 is installed the second limiting bush 85 on the side plate 12 this moment and is contacted with the 5th confined planes 73 on the slip limit connector 13; When a driving force (normal conditions are to be delivered to by drag-line switch 102 pulling force to pull directed force F 2(that support 18 produces as shown in Figure 7) is arranged), when masterpiece is used on the drag-line driving connector 20, drag-line drives connector 20 and rotates around the 31 rotating shaft 64, therefore tube connector driving connector 22 produces when the first spring 80 resets under tensile force f 3 effects, orders about drag-line driving connector 20 and promotes motion forward of the 6th leg connecting rod 26 generations by the 33 rotating shaft 66; The 6th leg connecting rod 26 promotes the 4th leg connecting rod 25 by the 34 rotating shaft 67 and produces a motion forward; Under the promotion of the 4th leg connecting rod 25, make the 5th leg connecting rod 2, the 3rd leg connecting rod 27 produce a motion forward around the 14 rotating shaft 42 by the second rotating shaft 30, the 3rd rotating shaft 31; And the 3rd leg connecting rod makes the second leg connecting rod 1, the first leg connecting rod 28, toe board 9 produce a motion forward by the 13 rotating shaft 41, the 35 rotating shaft 68, the 12 rotating shaft 40, the first rotating shaft 29, the 23 rotating shaft 53, therefore makes whole active leg rest produce a stretching routine.When the first limiting bush 88 on the second leg connecting rod 1 when the first confined planes 69 on the first leg connecting rod 28 contacts, produce a position-limiting action, active leg rest reaches the full extension state, in the process that active leg rest stretches, sit under the effect of frame installing plate 4 by the 3rd rotating shaft 31, the 5th leg connecting rod 2 that the 24 rotating shaft 54 is rotationally connected, the 6th leg connecting rod 26 and produce a motion forward; The front support connector 3, the rear support connector 21 that when seat frame installing plate 4 travels forward, are rotationally connected by the 5th rotating shaft 33, the 29 rotating shaft 62, the 36 rotating shaft 100, the 26 rotating shaft 56, the fixed connecting piece 7 that is fixedly connected with by the 3rd fixing hole 57, the 4th fixing hole 58, the 5th fixing hole 59 produces a motion forward; The 9th rotating shaft 37 is by the tenth rotating shaft 38 on the fixed connecting piece 7, the 21 rotating shaft 51, the 11 rotating shaft 39, the 27 rotating shaft 60 drives the back of the body and connects part 8, back of the body connector 17, back of the body locating part 16,15 relative motions of backrest impeller, on the fixing left side of sofa both sides, right installation side plate 12 fixedly is rotationally connected under the effect of backrest impeller 15 by the 20 rotating shaft 50, makes backrest impeller 15 by the 27 rotating shaft 60, the 11 rotating shaft 39, the 21 rotating shaft 51, the tenth rotating shaft 38 drives back of the body locating part 16, back of the body connector 17, the back of the body connects part 8 relative motion backward; In this process, side plate 12 is installed, auxiliary installation piece 23, slip limit connector 13, the first sliding connector 10, the second sliding connector 11, the 3rd sliding connector 14, the 4th sliding connector 6, the 4th rotating shaft 32 that the 5th sliding connector 5 is rotationally connected, the 15 rotating shaft 43, the 16 rotating shaft 44, the 6th rotating shaft 34, the 7th rotating shaft 35, the 8th rotating shaft 36, the 19 rotating shaft 49, the 18 rotating shaft 48, the 17 rotating shaft 47, the 20 rotating shaft 50, the 28 rotating shaft 61 does not produce relative rotation, so rear support connector 21, shank drives connector 19 by the 30 rotating shaft 63, the 25 rotating shaft 55 produces a motion forward with the 6th leg connecting rod 26, and this section is described as putting in the process that leg stretches as a whole.
Fig. 5~Fig. 6 is that active sofa mechanical stretching device is deployed into the process that backrest is toppled over fully fully from putting leg, apply one such as the power F1(of figure direction as shown in Figure 5 when connect part 8 at the back of the body, generally namely rely on user's self gravity), the back of the body connects part 8 and rotates around the 9th rotating shaft 37, and the back of the body connects part 8 makes back of the body connector 17, back of the body locating part 16, backrest impeller 15 produce relative motion by the tenth rotating shaft 38, the 21 rotating shaft 51, the 11 rotating shaft 39, the 27 rotating shaft 60 again; The back of the body connects part 8 makes the fixed connecting piece 7 that is fixed on the seat frame installing plate 4 produce a motion forward by the 9th rotating shaft 37 again; When seat frame installing plate 4 travels forward, drive slip limit connector 13, the first sliding connector 28 by the 15 rotating shaft 43, motion forward of the 17 rotating shaft 47 generations; At this moment, make the first sliding connector 10, the second sliding connector 11, the 3rd sliding connector 14, the 4th sliding connector 6, the 5th sliding connector 5, slip limit connector 13 produce a motion forward by the 5th rotating shaft 32, the 6th rotating shaft 34, the 7th rotating shaft 35, the 8th rotating shaft 36, the 19 rotating shaft 49, the 28 rotating shaft 61; When the 3rd limiting bush 83 touched on the fixed connecting piece 7 the 3rd confined planes 71 on the back of the body locating part 16, backrest was in the state of toppling over fully.
The utility model has also been set up safe spacing: when the 3rd confined planes 71 lost efficacy on the 3rd limiting bush 83 and the fixed connecting piece 7 on the back of the body locating part 16, the 7th confined planes 75 just can touch on seat frame installing plate 4 upper limit bridges 89 and the front support connector 3.
Every simple deformation of the present utility model or equivalent transformation should be thought to fall into protection domain of the present utility model.

Claims (4)

1. active sofa mechanical stretching device, comprise left-hand side part, right side members, switch block, the first spring, the second spring, left-hand side part is fixedly connected with by fixed part with right side members, switch block is installed on left-hand side part or the right side members, it is characterized in that: described left-hand side part, right side members is provided with identical toe board, the first leg connecting rod, the second leg connecting rod, the 3rd leg connecting rod, the 4th leg connecting rod, the 5th leg connecting rod, the 6th leg connecting rod, the slip limit connector, the first sliding connector, the second sliding connector, the 3rd sliding connector, the 4th sliding connector, the 5th sliding connector, shank drives connector, the front support connector, the rear support connector, auxiliary installation piece, side plate is installed, sit the frame installing plate, the back of the body connects part, the backrest impeller, back of the body locating part, fixed connecting piece, back of the body connector, drag-line drives connector, tube connector drives connector, the flange fixture, fixed connecting piece is fixed on to be sat on the frame installing plate, the back of the body connects part and back of the body connector, back of the body locating part connects, side plate and slip limit connector are installed, the first sliding connector, the backrest impeller connects, the first sliding connector and the second sliding connector, the 5th sliding connector is rotationally connected, the 5th sliding connector and the 3rd sliding connector, the 4th sliding connector is rotationally connected, slip limit connector and the 3rd sliding connector, the 4th sliding connector is rotationally connected, auxiliary installation piece and the 3rd sliding connector, the rear support connector, the front support connector, the second sliding connector connects, sit frame installing plate and rear support connector, the front support connector, fixed connecting piece, tube connector drives connector, the 6th leg connecting rod, the 5th leg connecting rod connects, the rear support connector drives connector with shank and is connected, shank drives connector and is connected with the 6th leg connecting rod, the 6th leg connecting rod is connected with the 4th leg connecting rod, the 4th leg connecting rod and the 5th leg connecting rod, the 3rd leg connecting rod connects, the 5th leg connecting rod is connected with the second leg connecting rod, the 3rd leg connecting rod and the 4th leg connecting rod, the second leg connecting rod, the first leg connecting rod connects, toe board and the first leg connecting rod, the second leg connecting rod connects, drag-line drives connector and the 6th leg connecting rod, tube connector drives connector and connects, the flange fixture is fixed on to be installed on the side plate, the first limiting bush is installed on the second leg connecting rod, the second limiting bush is installed on the installation side plate, the 3rd limiting bush is installed on the back of the body locating part, the 4th limiting bush is installed tube connector and is driven on the connector, stop bridge is arranged on to be sat on the frame installing plate, banking pin is arranged on the backrest impeller, be provided with the second confined planes on the toe board, the first confined planes is set on the first leg connecting rod, the 5th confined planes is set on the slip limit connector, the 3rd confined planes is set on the fixed connecting piece, the 7th confined planes is set on the front support connector, on the back of the body locating part the 4th confined planes is set, drag-line drives on the connector the 6th confined planes is set, the first limiting bush and the second confined planes, the first confined planes cooperates, the second limiting bush cooperates with the 5th confined planes, the 3rd limiting bush cooperates with the 3rd confined planes, the 4th limiting bush cooperates with the 6th confined planes, stop bridge cooperates with the 7th confined planes, banking pin cooperates with the 4th confined planes, two the first springs respectively symmetry are installed in left-hand side part, the shank of right side members drives connector, tube connector drives between the connector, and two the second springs respectively symmetry are installed in left-hand side part, the fixed connecting piece of right side members, between the auxiliary installation piece.
2. active sofa mechanical stretching device according to claim 1, it is characterized in that: described toe board and the first leg connecting rod are rotationally connected by the first rotating shaft; The first leg connecting rod and the 3rd leg connecting rod are rotationally connected by the 13 rotating shaft; The second leg connecting rod and toe board are rotationally connected by the 23 rotating shaft; The 3rd leg connecting rod and the second leg connecting rod are rotationally connected by the 12 rotating shaft; The 5th leg connecting rod and the 4th leg connecting rod are rotationally connected by the 14 rotating shaft, and the 5th leg connecting rod and the second leg connecting rod are rotationally connected by the 35 rotating shaft; The 4th leg connecting rod and the 3rd leg connecting rod are rotationally connected by the second rotating shaft; The 6th leg connecting rod and the 4th leg connecting rod are rotationally connected by the 34 rotating shaft; Sitting frame installing plate and the 5th leg connecting rod is rotationally connected by the 3rd rotating shaft, sitting frame installing plate and the 6th leg connecting rod is rotationally connected by the 24 rotating shaft, sitting frame installing plate and front support connector is rotationally connected by the 5th rotating shaft, sitting frame installing plate and rear support connector is rotationally connected by the 26 rotating shaft, sit frame installing plate and tube connector driving connector and be rotationally connected by the 32 rotating shaft, fixed connecting piece is installed in by the 3rd fixing hole, the 4th fixing hole, the 5th fixing hole and sits on the frame installing plate; Fixed connecting piece connects part with the back of the body and is rotationally connected by the 9th rotating shaft; The back of the body connects part and is rotationally connected by the tenth rotating shaft with back of the body connector; Back of the body connector is rotationally connected by the 21 rotating shaft with back of the body locating part; Back of the body locating part and backrest impeller are rotationally connected by the 27 rotating shaft; The backrest impeller is rotationally connected by the 20 rotating shaft with the installation side plate; Side plate and slip limit connector are installed are rotationally connected by the 17 rotating shaft, side plate and the first sliding connector are installed are rotationally connected by the 15 rotating shaft, the flange fixture is installed in by the first fixing hole, the second fixing hole and installs on the side plate; The first sliding connector and the second sliding connector are rotationally connected by the 4th rotating shaft, the first sliding connector and the 5th sliding connector are rotationally connected by the 6th rotating shaft, the 5th sliding connector and the 4th sliding connector are rotationally connected by the 7th rotating shaft, slip limit connector and the 3rd sliding connector are rotationally connected by the 19 rotating shaft, the 5th sliding connector and the 3rd sliding connector are rotationally connected by the 28 rotating shaft, and the 5th sliding connector and the 3rd sliding connector are rotationally connected by the 19 rotating shaft; The 4th sliding connector and slip limit connector are rotationally connected by the 8th rotating shaft; The 3rd sliding connector and auxiliary installation piece are rotationally connected by the 18 rotating shaft; Auxiliary installation piece and front support connector are rotationally connected by the 36 rotating shaft, and auxiliary installation piece and rear support connector are rotationally connected by the 29 rotating shaft, and auxiliary installation piece and the second sliding connector are rotationally connected by the 16 rotating shaft; Tube connector drives connector and the 6th leg connecting rod is rotationally connected by the 33 rotating shaft; Rear support connector and shank drive connector and are rotationally connected by the 30 rotating shaft; Shank drives connector and the 6th leg connecting rod is rotationally connected by the 25 rotating shaft.
3. active sofa mechanical stretching device according to claim 1 and 2, it is characterized in that: described switch block comprises and pulls support, stay cord, the drag-line switch, the drag-line back-moving spring, be provided with the second spring fitting rivet on the auxiliary installation piece of left-hand side part and right side members, be provided with the second spring mounting hole on the fixed connecting piece, tube connector drives on the connector and is provided with the first spring fitting rivet, being provided with the first spring flange on the shank driving connector buckles, the first both ends of the spring is hung in the first spring fitting rivet and the first spring flange buckles, the second spring is hung on the second spring fitting rivet and the second spring mounting hole, pulling support is installed on the seat frame installing plate, drag-line back-moving spring one end is installed in by drag-line line resigning hole and sits on the frame installing plate, the drag-line back-moving spring other end with pull support and be connected, one end of stay cord passes the drag-line installing hole and pulls support and be connected, and the stay cord other end is connected with the drag-line switch.
4. active sofa mechanical stretching device according to claim 1 and 2, it is characterized in that: described fixed part comprises tube connector, strengthens torsion resistant tube, the tube connector that tube connector is fixed on left-hand side part, right side members drives on the connector, strengthens torsion resistant tube and is fixed on the auxiliary installation piece of left-hand side part, right side members.
CN201220436809.5U 2012-08-30 2012-08-30 Movable sofa mechanical stretching device Expired - Lifetime CN202820377U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220436809.5U CN202820377U (en) 2012-08-30 2012-08-30 Movable sofa mechanical stretching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220436809.5U CN202820377U (en) 2012-08-30 2012-08-30 Movable sofa mechanical stretching device

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CN202820377U true CN202820377U (en) 2013-03-27

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Application Number Title Priority Date Filing Date
CN201220436809.5U Expired - Lifetime CN202820377U (en) 2012-08-30 2012-08-30 Movable sofa mechanical stretching device

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104783525A (en) * 2015-05-06 2015-07-22 海盐全影家具科技有限公司 Telescopic device
CN104970612A (en) * 2015-06-24 2015-10-14 黄小卫 Multiple-leg-choice movable sofa machine stretching apparatus
WO2015172602A1 (en) * 2014-05-14 2015-11-19 黄小卫 Electromechanical extending device of movable sofa
CN105455470A (en) * 2015-12-22 2016-04-06 锐迈机械科技(吴江)有限公司 Mechanical device of geezer chair
CN105615377A (en) * 2016-03-15 2016-06-01 敏华品牌管理(天津)有限公司 Office and leisure automatic seat
CN105795775A (en) * 2016-04-29 2016-07-27 东莞市捷科五金有限公司 Structurally improved sofa chair frame
CN104799597B (en) * 2015-03-17 2017-05-10 永艺家具股份有限公司 Mechanical linkage device of sofa
CN107028405A (en) * 2017-04-28 2017-08-11 浙江飞力科技股份有限公司 The mechanical extending device of Disassembling sofa
CN110292272A (en) * 2019-05-30 2019-10-01 中源家居股份有限公司 A kind of mechanical extending device of Disassembling sofa
CN113796687A (en) * 2021-08-18 2021-12-17 锐迈机械科技(吴江)有限公司 Seat leg oblique-retracting device, seat support and seat unit

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015172602A1 (en) * 2014-05-14 2015-11-19 黄小卫 Electromechanical extending device of movable sofa
GB2545042A (en) * 2014-05-14 2017-06-07 Bruce Huang Electromechanical extending device of movable sofa
CN104799597B (en) * 2015-03-17 2017-05-10 永艺家具股份有限公司 Mechanical linkage device of sofa
CN104783525A (en) * 2015-05-06 2015-07-22 海盐全影家具科技有限公司 Telescopic device
CN104970612A (en) * 2015-06-24 2015-10-14 黄小卫 Multiple-leg-choice movable sofa machine stretching apparatus
CN104970612B (en) * 2015-06-24 2018-03-16 锐迈机械科技(吴江)有限公司 Leg multiselect active sofa mechanical stretching device
CN105455470B9 (en) * 2015-12-22 2020-11-13 锐迈机械科技(吴江)有限公司 Old man's chair mechanical device
CN105455470A (en) * 2015-12-22 2016-04-06 锐迈机械科技(吴江)有限公司 Mechanical device of geezer chair
CN105455470B (en) * 2015-12-22 2018-02-09 锐迈机械科技(吴江)有限公司 A kind of old-man chair mechanical device
CN108125435A (en) * 2015-12-22 2018-06-08 锐迈机械科技(吴江)有限公司 A kind of old-man chair mechanical device
CN105615377A (en) * 2016-03-15 2016-06-01 敏华品牌管理(天津)有限公司 Office and leisure automatic seat
CN105795775A (en) * 2016-04-29 2016-07-27 东莞市捷科五金有限公司 Structurally improved sofa chair frame
CN107028405A (en) * 2017-04-28 2017-08-11 浙江飞力科技股份有限公司 The mechanical extending device of Disassembling sofa
CN110292272A (en) * 2019-05-30 2019-10-01 中源家居股份有限公司 A kind of mechanical extending device of Disassembling sofa
CN113796687A (en) * 2021-08-18 2021-12-17 锐迈机械科技(吴江)有限公司 Seat leg oblique-retracting device, seat support and seat unit
CN113796687B (en) * 2021-08-18 2024-03-15 锐迈科技股份有限公司 Seat leg oblique folding device, seat support and seat unit

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Granted publication date: 20130327