CN2509936Y

CN2509936Y - Electric lifting seat

Info

Publication number: CN2509936Y
Application number: CN 01256661
Authority: CN
Inventors: 高航
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-11-23
Filing date: 2001-11-23
Publication date: 2002-09-11
Anticipated expiration: 2011-11-23

Abstract

The utility model provides an electro-mobile lift chair, comprising a foot carrier, lift barrel assembly, a seat shelf, armrests and a back-rest. An outer barrel of which one end extends into the foot carrier is arranged in the lift barrel assembly, an inner barrel is arranged in the outer barrel, a lift groove is arranged between the inner barrel and the outer barrel, one end of the lift barrel extends into the lift groove and the other end is connected with the seat shelf. The utility model is characterized in that a motor is arranged, the outlet end of the motor extends into the lift barrel and is provided with a worm coact, a worm wheel meshed with the worm coact is arranged in the lift barrel, one end of a ball guide screw positioned in the inner barrel extends into a hole of the worm wheel and is combined with the hole, a ball nut engaged with the ball guide screw is connected with the lift barrel. The utility model has the advantages of convenient operation and usage, comfort, high automation level, and long durability.

Description

The electric up-down seat

Technical field:

The utility model relates to a kind of lifting seat, particularly be a kind of electric up-down seat.

Background technology:

When existing artificial lifting seat will carry out lifting, the people must stand up, and very trouble is used inconvenient; And the existing pneumatic or lifting seat that surges is to adopt pneumatic or the lifting of surging all needs pin to step on, and is pretty troublesome.

The utility model content:

The purpose of this utility model is in order to overcome above deficiency, to provide a kind of easy for operation, the liftable that automated procedures are high, comfortable electric up-down seat.

The purpose of this utility model is achieved like this:

The utility model electric up-down seat comprises sufficient frame, the lifting tube assembly, the seat frame, handrail, backrest, there is an end to stretch into urceolus in the sufficient frame in the lifting tube assembly, be positioned at the inner core of urceolus, the lifting groove is arranged between inner/outer tube, lifting tube one end stretches in the lifting groove and the other end is connected with a frame, it is characterized in that motor is arranged, motor output end stretches in the lifting tube and on it worm screw is housed, worm gear with worm engaging is arranged in the lifting tube, an end of ball screw that is arranged in the ball wire bar pair of inner core stretches into worm wheel aperture and becomes one with it, the ball nut that cooperates with ball screw is connected with lifting tube, the electronic press button of control motor can be loaded on the handrail, manipulate very conveniently, ball wire bar pair can adopt the patent No. 01214561.0 from spacing ball wire bar pair.

Spring base is arranged at above-mentioned lifting tube bottom, on the lifting tube with the bottom opposite position on spring-leaf retainer is arranged, spring is positioned between spring base and spring-leaf retainer, utilize the spring boosting power, assist motor to make reset rapidly rising, power saving, seat rotates by spring-leaf retainer, utilize the spring boosting power, assist motor that seat is risen rapidly and reset.

Above-mentioned urceolus stretches on the periphery of sufficient frame the overcoat of taper fit with it, easy accessibility, connect reliable.

Above-mentioned sufficient frame has between frame with seat and is enclosed within the flexible dust cover that is connected with sufficient frame, seat on the urceolus.

Have in the above-mentioned seat with fixing present frame on the back of the body of the seat frame rod hinge connection axle that inclines, be connected to the backrest connecting plate of carrying on the back a two ends of inclining, backrest is contained on the backrest connecting plate, has two ends to be connected to a frame and the back of the body axle that inclines in the seat and goes up and be subjected to motor-operated incline line thruster assembly of axle swing of the back of the body that makes.

In the above-mentioned line thruster assembly cylindrical shell is arranged, be contained in the connector that cylindrical shell one end is connected with the seat frame, be arranged on the end of ball screw of ball wire bar pair of cylindrical shell worm gear is housed, be contained on the motor output shaft with the worm gear engaged worm, the ball nut that cooperates with ball screw be enclosed within its outer fairlead and become one, the connector that is positioned at the cylindrical shell other end is with to be fixed on the push rod that the back of the body inclines on the axle hinged.

Have an end to be enclosed within the back of the body in the above-mentioned seat and incline and be slidingly matched with it on the axle and support bar on the fixing present frame of the other end, support bar plays a supportive role, and increases the incline intensity of axle of the back of the body.

The above-mentioned back of the body axle that inclines comprises major axis, be contained in the long cover at major axis two ends respectively, stretch on the spring shaft in the long cover clockwork spring is housed, bearing block, spring shaft fixed head are housed on the spring shaft termination, bearing block is connected with seat frame support plate, the backrest connecting plate is connected with the spring shaft fixed head, the starting power reset response.

Above-mentioned long cover is connected convenient disassembly with incline axle, spring shaft of the back of the body respectively by straight pin.

Referring to Fig. 1～Fig. 7, when needing the lifting seat, connect power supply, the start button switch rotates thereby the motor drives worm screw drives worm gear, and ball screw rotates, and drives the lifting tube rising thereby ball nut rotates up seat is risen; Oppositely start press button, motor reverse rotation, drive worm screw, worm gear, the rotation of ball screw direction descend seat thereby lifting tube is descended.When need adjusting backrest angle, start line thruster assembly press button, thereby the rotation of motor drives ball worn makes the ball worm gear move and drive the back of the body axle that inclines and rotate and adjust the angle of backrest along ball screw.

Compare with existing lifting seat, the utility model is easy for operation, automaticity is high, and liftable is comfortable, power saving.

Description of drawings:

Fig. 1 is the utility model structural representation.

Fig. 2 is the right view of Fig. 1.

Fig. 3 is a lifting tube assembly structure schematic diagram.

Fig. 4 is a seat frame, line thruster assembly, carries on the back the shaft position schematic diagram that inclines.

Fig. 5 is for carrying on the back the axle construction schematic diagram that inclines.

Fig. 6 is a line thruster assembly structure schematic diagram.

Fig. 7 is that the A of Fig. 6 is to view.

The specific embodiment:

Comprise sufficient frame, lifting tube assembly 2, seat frame 3, be loaded on the seat cushion 4 of a frame 3 referring to Fig. 1, Fig. 2, the utility model, handrail 5, backrest 6 is loaded on the back pad 7 on the backrest 6.Around the foot frame universal wheel 8 is housed, the overcoat 9 that contains internal taper hole is housed in its center mounting hole.

Referring to Fig. 1, Fig. 3, taper fit is with it stretched in the internal taper hole of sufficient frame overcoat 9 in the bottom of the urceolus 10 in the lifting tube assembly 2.Be positioned at lifting groove 12 between the inner core 11 of urceolus and urceolus, lifting tube 13 1 ends stretch in the lifting groove and the other end is connected with a frame.Spring base 14 is arranged at lifting tube bottom, on the lifting tube with bottom spring base opposite position on rotatable spring-leaf retainer 15 is arranged, spring 16 is positioned between spring-leaf retainer and spring base.Motor 17 output shafts stretch in the lifting tube and on it worm screw 18 are housed, and are positioned at the worm gear 19 and worm screw 18 engagements of lifting tube.Ball screw 21 one ends of the patent No. 01214561.0 in spacing ball wire bar pair 20 that adopt stretch in the worm wheel aperture and become one with it, and the ball nut 22 that cooperates with ball screw is connected with lifting tube, and retainer 23 is arranged on it.The press button 24 of control motor 17 is contained on the handrail.Be positioned at a frame and flexible dust cover 25 between sufficient frame and comprise that being enclosed within the outer end of lifting tube assembly is connected and is connected dirt-proof boot 26 on the sufficient frame, is enclosed within the snakelike dustproof pipe 27 that the outer two ends of lifting tube assembly are connected with seat frame, dustproof adapter sleeve respectively.

Referring to Fig. 4～Fig. 7, the back of the body axle that inclines 28 comprises major axis 29, is contained in the long cover 31 at major axis two ends respectively by straight pin 30, stretch in the long cover 31 and by straight pin 32 and the long spring shaft 33 that is connected that overlaps, clockwork spring 34 is contained on the spring shaft.Bearing block 35, spring shaft fixed head 36 are equipped with in the spring shaft termination, the two ends of seat frame connecting rod 37 are connected on bearing block 34 and the hinged present frame, two backrest connecting plates 38 are connected on the spring shaft fixed head, and backrest 6 passes through fixture---be bolted on the two backrest connecting plates.On the fixing present frame of support bar 39 1 ends and the other end is sleeved on the back of the body and inclines and be slidingly matched with it on the axle.On the cylindrical shell 41 1 end connectors 42 fixing present frames in the line thruster assembly 40.What be arranged in cylindrical shell is equipped with worm gear 45 on an end of the ball screw 44 of spacing ball wire bar pair 43, be contained on motor 47 output shafts with worm gear engaged worm 46, the ball nut 48 that cooperates with ball screw is integral with the fairlead 49 that is enclosed within outside it, attaching nut 50 links into an integrated entity with fairlead, connector 51 1 ends be threaded with attaching nut 50 and the other end with to be fixed on the push rod of carrying on the back on the axle that inclines 52 hinged.Retainer 53 is arranged in spacing ball wire bar pair.The press button 54 of motor 47 is contained on the handrail.Electric cabinet 55, battery 56 are contained on the frame by control box pressing plate 57, battery pressing plate 58 respectively.

Claims

1, the electric up-down seat, comprise sufficient frame, the lifting tube assembly, the seat frame, handrail, backrest, there is an end to stretch into urceolus in the sufficient frame in the lifting tube assembly, be positioned at the inner core of urceolus, the lifting groove is arranged between inner/outer tube, lifting tube one end stretches in the lifting groove and the other end is connected with a frame, it is characterized in that motor is arranged, motor output end stretches in the lifting tube and on it worm screw is housed, worm gear with worm engaging is arranged in the lifting tube, an end of ball screw that is arranged in the ball wire bar pair of inner core stretches into worm wheel aperture and becomes one with it, and the ball nut that cooperates with ball screw is connected with lifting tube.

2, electric up-down seat according to claim 1 is characterized in that spring base is arranged at lifting tube bottom, on the lifting tube with the bottom opposite position on spring-leaf retainer is arranged, spring is positioned between spring base and spring-leaf retainer.

3, electric up-down seat according to claim 1 and 2 is characterized in that on urceolus stretches into the periphery of sufficient frame the overcoat of taper fit with it being arranged.

4, electric up-down seat according to claim 1 and 2 is characterized in that having between frame with seat at sufficient frame being enclosed within the flexible dust cover that is connected with sufficient frame, seat on the urceolus.

5, electric up-down seat according to claim 1 and 2, it is characterized in that having with fixing present frame on the back of the body of the seat frame rod hinge connection axle that inclines, be connected to the backrest connecting plate of carrying on the back a two ends of inclining, backrest is contained on the backrest connecting plate, has two ends to be connected to a frame and the back of the body axle that inclines in the seat and goes up and be subjected to motor-operated incline line thruster assembly of axle swing of the back of the body that makes.

6, electric up-down seat according to claim 5, it is characterized in that in the online thruster assembly cylindrical shell being arranged, be contained in the connector that cylindrical shell one end is connected with the seat frame, be arranged on the end of ball screw of ball wire bar pair of cylindrical shell worm gear is housed, be contained on the motor output shaft with the worm gear engaged worm, the ball nut that cooperates with ball screw be enclosed within its outer fairlead and become one, the connector that is positioned at the cylindrical shell other end is with to be fixed on the push rod that the back of the body inclines on the axle hinged.

7, electric up-down seat according to claim 5 is characterized in that having an end to be enclosed within the back of the body and inclines and be slidingly matched with it on the axle and support bar on the fixing present frame of the other end.

8, electric up-down seat according to claim 5, it is characterized in that the back of the body axle that inclines comprises major axis, be contained in the long cover at major axis two ends respectively, stretch on the spring shaft in the long cover clockwork spring is housed, bearing block, spring shaft fixed head are housed on the spring shaft termination, bearing block is connected with seat frame support plate, and the backrest connecting plate is connected with the spring shaft fixed head.

9, electric up-down seat according to claim 8 is characterized in that long cover is connected with incline axle, spring shaft of the back of the body respectively by straight pin.