CN2682932Y

CN2682932Y - Divan electric telescoping device

Info

Publication number: CN2682932Y
Application number: CN 200420021835
Authority: CN
Inventors: 谢启定
Original assignee: DAYA ELECTROMECHANICAL CO LTD SHANGHAI
Current assignee: DAYA ELECTROMECHANICAL CO LTD SHANGHAI
Priority date: 2004-04-08
Filing date: 2004-04-08
Publication date: 2005-03-09
Anticipated expiration: 2014-04-08

Abstract

The utility model relates to a telescoping device to unfold a sofa into a bed, in particular to an electric telescoping device of a sofa bed used for office nap, temporary household bed, leisure field, etc. The device is composed of an electric motor, a fixed pulley, a steel cable, a backrest, a driving device, etc. A direct current electric motor drives a bobbin line driving wheel through a worm-wheel worm reducer, and the supporting base of the bobbin line driving wheel is fixed to a frame. The steel cable is reeled on the bobbin line driving wheel, and one leadout end from the bottom of the bobbin line driving wheel bypasses the fixed pulley to fix on a sliding bush. The other end is fixed on a pin bracket to adjust the telescoping state of the steel cable tightly through tightening a drag hook, and one side of the direct current electric motor is provided with a sport assembly with the backrest swaying. The utility model has the advantages of that the single person sofa of the device has no difference with ordinary sofa when the sofa is received, when the backrest is put flat, a legrest pad or a bed tail is extend and ascend from a cushion to form a comfortable single person bed. The divan electric telescoping device has simple structure, reliable operation and low cost.

Description

The electrical retractor of divan

Technical field

The utility model relates to and a kind of sofa is launched into the retractor device of bed, refers to a kind of electrical retractor that is used for the divan located in office afternoon nap, family interim visitor shop, leisure field etc. especially.

Background technology

At present, there have sale that sofa is launched as the product of bed use on the market to be a lot, but mostly are manual expansion mode, minority can involve great expense with the divan of electronic expansion, and shape unlike sofa more as bed, can not be placed directly in graceful place, such as office, parlor etc.

Summary of the invention

In order to overcome above-mentioned weak point, main purpose of the present utility model aims to provide a kind of divan, and it can be applicable to the place that the short time has a rest, and does not influence the device of the appearance and modeling of sofa again.

The technical problems to be solved in the utility model is: solve problems such as the cost height, the external form that exist in the prior art are not attractive in appearance; Solve the structural design of tailstock part, extension and riser and action thereof and problem such as finish automatically.

The technical scheme that its technical problem that solves the utility model adopts is: this device is by motor, fixed pulley, steel wire rope, parts such as backrest and transmission mechanism are formed, direct current generator A drives the serving driving wheel by worm type of reduction gearing, the bearing of serving driving wheel and frame fixation, steel wire rope is wrapped on the serving driving wheel, and of drawing from serving driving wheel below walks around fixed pulley, be fixed on the sliding sleeve, the other end is fixed on the pin carriage, by tightening up the flexible state that drag hook is used for tightening steel wire rope, be provided with the motion assembly that backrest waves in a side of direct current generator.

The steel wire rope of the electrical retractor of described divan, when the serving driving wheel turns round counterclockwise, steel wire rope is walked around fixed pulley traction sliding sleeve, make the pin carriage along the slide rail advance the puck, after the pin carriage was walked out the sofa bottom fully, four connecting rods were connected with the steel wire tightrope, four connecting rods are subjected to the tension of the steel wire tightrope of regular length, move no longer forward in four connecting rod tops, but motion is forward continued in the bottom, so the pin pad is pulled up; Perhaps be inverse process:

When the serving driving wheel turned round clockwise, described rope traction pin carriage moved backward, and four connecting rods are limited by top, can not move, move in the bottom backward, and the pin pad is toppled over forward, so can enter the sofa bottom, finish the telescopic process of pin pad or tailstock.

The motion assembly that the backrest of the electrical retractor of described divan waves is made up of parts such as direct current generator B, decelerator, rocking bar, strut and backrests, when decelerator rotates, rocking bar moves in a circle, and the guiding strut rises, descends, and drives the action that backrest is holded up, set level.

The retractor device of the pin pad of the electrical retractor of described divan is made up of an one slide rail and four steamboats, four steamboats drive the pin pad and seesaw, it is simple in structure, processing and assembling are all unlike the requirement height of two one slide rails, and the embedded nylon jacket of sliding sleeve can not need intermittent oiling and maintenance.

Four connecting rods of the electrical retractor of described divan are parallel-crank mechanism, and promptly the parallelogram four-bar linkage of Zeng Jiaing makes seesawing of pin carriage become the motion of rising and descending, and do not need to increase in addition to drive, and have reduced cost.

The beneficial effects of the utility model are: the armchair made from this device, when accepting and common sofa do not have difference; Work as backrest fold-down, after pin pad or tailstock stretch out under the cushion and raise, form a comfortable single bed; This apparatus structure is simple, and is reliable, and cost is low.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Accompanying drawing 1 is the vertical view of the utility model general structure;

Accompanying drawing 2 is front views of the utility model general structure;

Accompanying drawing 3 is the utility model working state schematic representations;

Accompanying drawing 4 is structural representations of the utility model embodiment backrest oscillating motion assembly;

Label declaration in the accompanying drawing:

1-direct current generator A; 11-pin pad;

2-serving driving wheel; The 13-decelerator;

The 3-fixed pulley; The 14-rocking bar;

The 4-steel wire rope; The 15-strut;

5-tightens up drag hook; The 16-backrest;

The 6-slide rail; The 18-bearing;

The 7-sliding sleeve; The 19-framework;

8-pin carriage; 20-direct current generator B;

9-four connecting rods;

10-steel wire tightrope;

The specific embodiment

See also shown in the accompanying drawing 1, the utility model is by motor, fixed pulley 3, steel wire rope 4, parts such as backrest 16 and transmission mechanism are formed, direct current generator A1 drives serving driving wheel 2 by worm type of reduction gearing 13, the bearing 18 of serving driving wheel 2 is fixing with framework 19, steel wire rope 4 is wrapped on the serving driving wheel 2, and of drawing from serving driving wheel 2 belows walks around fixed pulley 3, be fixed on the sliding sleeve 7, the other end is fixed on the pin carriage 8, by tightening up the flexible state that drag hook 5 is used for tightening steel wire rope 4, be provided with the motion assembly that backrest waves in the side of direct current generator A1.

See also shown in the accompanying drawing 2,3, the steel wire rope 4 of the electrical retractor of described divan, when serving driving wheel 2 turned round counterclockwise, steel wire rope 4 was walked around fixed pulley 3 traction sliding sleeves 7, makes pin carriage 8 along slide rail 6 advance the pucks, after pin carriage 8 is walked out the sofa bottom fully, four connecting rods 9 are connected with steel wire tightrope 10, and four connecting rods 9 are subjected to the tension of the steel wire tightrope 10 of regular length, move no longer forward in four connecting rods, 9 tops, but motion is forward continued in the bottom, so pin pad 11 is pulled up; Perhaps be inverse process:

When serving driving wheel 2 turns round clockwise, 8 motions backward of described steel wire rope 4 traction pin carriages, four connecting rods 9 are limited by top, can not move, move in the bottom backward, and pin pad 11 is toppled over forward, so can enter the sofa bottom, finish the telescopic process of pin pad (tailstock).

See also shown in the accompanying drawing 4, the motion assembly that the backrest of the electrical retractor of described divan waves is made up of parts such as direct current generator B20, decelerator 13, rocking bar 14, strut 15 and backrests 16, when decelerator 13 rotates, rocking bar 14 moves in a circle, guiding strut 15 rises, descends, and drives the action that backrest 16 is holded up, set level.

The retractor device of the pin pad 11 of the electrical retractor of described divan is made up of an one slide rail and four steamboats, four steamboats drive pin pad 11 and seesaw, it is simple in structure, processing and assembling are all unlike the requirement height of two one slide rails, and sliding sleeve 7 embedded nylon jacket can not need intermittent oiling and maintenance.

Four connecting rods 9 of the electrical retractor of described divan are parallel-crank mechanism, and promptly parallelogram four connecting rods 9 mechanisms of Zeng Jiaing make seesawing of pin carriage 8 become the motion of rising and descending, and do not need to increase in addition to drive, and have reduced cost.

Claims

1, a kind of electrical retractor of divan, this device has motor, fixed pulley, steel wire rope, backrest and transmission mechanism, it is characterized in that: direct current generator A (1) drives serving driving wheel (2), the bearing (18) of serving driving wheel (2) is fixing with framework (19), steel wire rope (4) is wrapped on the serving driving wheel (2), and of drawing from serving driving wheel (2) below walks around fixed pulley (3), be fixed on the sliding sleeve (7), the other end is fixed on the pin carriage (8), tighten up the flexible state that drag hook (5) tightens steel wire rope (4), be provided with the motion assembly that backrest waves in the side of direct current generator A (1).

2, the electrical retractor of divan according to claim 1, it is characterized in that: described steel wire rope (4) is walked around fixed pulley (3) traction sliding sleeve (7), pin carriage (8) is along slide rail (6) advance the puck, four connecting rods (9) are connected with steel wire tightrope (10), four connecting rods (9) are subjected to the tension of regular length steel wire tightrope (10), its top is motion forward not, and move forward in the bottom, pin pad (11) pull-up; Perhaps:

Described steel wire rope (4) traction pin carriage (8) moves backward, and four connecting rods (9) are not moved by top, moves in the bottom backward, and pin pad (11) is toppled over forward.

3, the electrical retractor of divan according to claim 1, it is characterized in that: the motion assembly that described backrest waves is made up of direct current generator B (20), decelerator (13), rocking bar (14), strut (15) and backrest (16), decelerator (13) rotates, rocking bar (14) is a circular motion, strut (15) is rising, decline, and drive backrest (16) is holded up, set level.

4, the electrical retractor of divan according to claim 2 is characterized in that: the retractor device of described pin pad (11) is made up of an one slide rail and four steamboats, and four steamboats drive pin pad (11) and seesaw.

5, the electrical retractor of divan according to claim 2 is characterized in that: described four connecting rods (9) are parallel-crank mechanism.