CN207928087U - a kind of lifting seat frame - Google Patents

Abstract

The utility model discloses a kind of lifting seat frames,It include supporting rack,Seat and driving seat are with respect to the seat lift structure that supporting rack lifts,The seat lift structure includes the lifting seat that the opposite supporting rack of fixed seating bottom slides up and down,Two folding liftable framves are at least connected between the lifting seat and supporting rack,It is connected with transverse shifting part between adjacent folding liftable frame,The both ends of the transverse shifting part are pivotally connected with the folding liftable frame of both sides respectively,Driving device is equipped on support frame as described above,It is fixed on the output shaft of driving device and the transverse shifting part is driven to move back and forth and the deviation output of synchronous drive folding liftable frame folding liftable,The transverse shifting part deviates the position in the output shaft axle center with the pivoting point for deviateing output,The limiting device in the opposite supporting rack swing of limitation seat is equipped between support frame as described above and seat.A kind of above-mentioned lifting seat frame has the advantages that simple in structure, safety is good, Automatic Control.

Description

A kind of lifting seat frame

【Technical field】

The utility model is related to a kind of lifting seat frames.

【Background technology】

Infants' product such as rocking chair, perambulator, swing, has become the necessity during child growth at present.City at present Seat on the products such as rocking chair or perambulator on field, most of to be all integrally fixed on supporting rack, the height at seat is difficult to adjust, It has been difficult to meet the needs of people.

The rocking chair or perambulator or seat etc. of seat height can be adjusted now with a small part, although compared to the above structure Product is provided with the function of lifting, brings the promotion using function to user, but has the disadvantage that：Elevating mechanism is Purely mechanic mechanism will be operated manually, use is not convenient enough, troublesome in poeration when needing lifting by operator.

Therefore, the utility model is based on above deficiency and generates.

【Utility model content】

The utility model aim is to overcome the deficiencies in the prior art, provide it is a kind of it is simple in structure, safety is good, full-automatic The lifting seat frame of control.

The utility model is achieved through the following technical solutions：

A kind of lifting seat frame includes supporting rack 1, and seat 2 and driving seat are with respect to the seat liter that supporting rack lifts Descending mechanism 3, the seat lift structure 3 includes the lifting seat 30 that the opposite supporting rack of 2 bottom of fixed seating slides up and down, in institute It states and is at least connected with two folding liftable framves 31 between lifting seat 30 and supporting rack 1, connected between adjacent folding liftable frame 31 There is transverse shifting part 32, the both ends of the transverse shifting part 32 are pivotally connected with the folding liftable frame 31 of both sides respectively, in the support Frame 1 is equipped with driving device 4, be fixed on the output shaft of driving device 4 drive the transverse shifting part 32 move back and forth and The deviation output 40 of 31 folding liftable of synchronous drive folding liftable frame, the transverse shifting part 32 and deviation output 40 Pivoting point deviates the position in the output shaft axle center, and supporting rack opposite at limitation seat is equipped between support frame as described above and seat The limiting device 5 of swing.

As preferred embodiments of the present invention, further it is limited to：The folding liftable frame 31 includes pivot joint Upper folded piece 311 together and lower folded piece 312, upper end and the lifting seat 30 of the upper folded piece 311 are pivotally connected, lower folded piece 312 lower end is pivotally connected with support frame as described above 1, the end of the transverse shifting part 32 and the upper folded piece 311 and lower folded piece Pivot node pivot joint between 312.

As preferred embodiments of the present invention, further it is limited to：The folding liftable frame 31, transverse shifting Part 32 is two, and the both sides of the driving device 4 are respectively provided with an output shaft, described inclined on an output shaft A transverse shifting part 32 is driven to be moved back and forth in the side of driving device from output 40, on another described output shaft The deviation output 40 drive another transverse shifting part 32 moved back and forth in the other side of driving device.

As preferred embodiments of the present invention, further it is limited to：The driving device 4 includes driving motor 41, scroll bar 42 is connected on the motor shaft of driving motor, and main turbine 43, the output of main turbine 43 are engaged on the scroll bar 42 Axis, which is equipped with, deviates output 40.

As preferred embodiments of the present invention, further it is limited to：Include that setting exists in the limiting device 5 On supporting rack 1 for the lifting seat 30 lifting across limit hole 51, be vertically provided with limit raised line in 51 inner wall of limit hole 52, it is equipped with limit pulley 21 on 30 outer wall of the lifting seat, is equipped with and the limit raised line 52 on the limit pulley 21 Coordinate and limits the lifting seat 30 with respect to the limiting slot 22 that support frame as described above 1 swings back and forth.

As preferred embodiments of the present invention, further it is limited to：Include that setting exists in the limiting device 5 The limit hole 51 slided up and down for the lifting seat 30 on supporting rack 1, the outer wall of the lifting seat 30 and the limit hole 51 Inner wall contacts.

As preferred embodiments of the present invention, further it is limited to：Support frame as described above 1 includes bottom plate 11, Pedestal 111 is fixed on 11 inner wall of bottom plate, 312 lower end of lower folded piece is articulated on the pedestal 111, the driving dress 4 are set to be also disposed on the pedestal 111.

As preferred embodiments of the present invention, further it is limited to：Upper cover 12 is fixed on bottom plate 11, The limit hole 51 is arranged in the upper cover 12.

As preferred embodiments of the present invention, further it is limited to：Between on the outer wall of the lifting seat 30 Every equipped with multigroup pulley mounting plate 23, every group of pulley mounting plate 23 is made of two clamping plates, is formed between two clamping plates for putting The vertical holding tank 231 for setting the limit pulley 21 is connected with the company for being pivotally connected the limit pulley 21 on two clamping plates Spindle.

Compared with prior art, the utility model has the following advantages：

1, seat is risen or is landed with respect to supporting rack by seat lift structure, realized to seat liter by limits device Angle holding effect during drop so that seat is almost unchanged with respect to the angle of supporting rack, keeps the stability of lifting.

2, folding is pulled by the deviation output in driving motor output shaft drives the transverse shifting part to move back and forth The upper folded piece and lower folded piece of folded crane carry out folding or opening, and the full automatic lifting for realizing seat is easy to operate, fast It is prompt.

3, the utility model is simple in structure, has a safety feature, and is suitble to promote and apply.

【Description of the drawings】

Fig. 1 is the stereogram of the utility model.

Fig. 2 is the stereogram for removing part supporting rack of the utility model.

Fig. 3 is the explosive view removed after the supporting rack of part of the utility model.

Fig. 4 is topology view after partial enlargement at the A of Fig. 3.

【Specific implementation mode】

The utility model is further described below in conjunction with the accompanying drawings：Picture 1-4, the utility model discloses a kind of liftings Seat frame includes supporting rack 1, seat 2 and driving seat with respect to the seat lift structure 3 that supporting rack lifts, the seat Elevating mechanism 3 includes the lifting seat 30 that the opposite supporting rack of 2 bottom of fixed seating slides up and down, in the lifting seat 30 and branch It is at least connected with two folding liftable framves 31 between support 1, transverse shifting part 32 is connected between adjacent folding liftable frame 31, The both ends of the transverse shifting part 32 are pivotally connected with the folding liftable frame 31 of both sides respectively, and driving dress is equipped on support frame as described above 1 4 are set, is fixed on the output shaft of driving device 4 and drives the transverse shifting part 32 to move back and forth and synchronous drive is folded and risen The deviation output 40 of 31 folding liftable of frame drops, and the transverse shifting part 32 deviates described defeated with the pivoting point for deviateing output 40 The position in shaft axle center is equipped with the limiting device 5 in the opposite supporting rack swing of limitation seat between support frame as described above and seat. Seat is risen or landed with respect to supporting rack by seat lift structure, is realized in seat lifting process by limits device Angle holding acts on so that seat is almost unchanged with respect to the angle of supporting rack, keeps the stability of lifting.

In order to further increase the utility model lifting stability, the folding liftable frame 31 include be articulated in one The upper folded piece 311 and lower folded piece 312 risen, upper end and the lifting seat 30 of the upper folded piece 311 are pivotally connected, lower folded piece 312 Lower end and support frame as described above 1 be pivotally connected, the end of the transverse shifting part 32 and the upper folded piece 311 and lower folded piece 312 Between pivot node pivot joint.When work, 32 horizontal direction of driving device driving transverse shifting part moves back and forth, to drive Upper folded piece 311 and lower folded piece 312 it is folded against or open so that seat with respect to supporting rack vertical direction decline or liter It rises, it is easy to operate, quick.

On the basis of the above, in order to further promoted the utility model lifting stability and fixing, the folding Folded crane 31, transverse shifting part 32 are two, and the both sides of the driving device 4 are respectively provided with an output shaft, one The deviation output 40 on the output shaft drives a transverse shifting part 32 to be carried out in the side of driving device to move back Dynamic, the deviation output 40 on another described output shaft drives another transverse shifting part 32 in the another of driving device Side is moved back and forth.When the driving device work, two output shafts are carried out at the same time rotation, drive two deviation outputs 40 are carried out at the same time rotation, and two are deviateed output 40 and respectively a transverse shifting part 32 driven to be come in the both sides of driving device Return is dynamic, to which the upper folded piece 311 of Foldable crane 31 and lower folded piece 312 carry out folding or opening.

Include driving motor 41 to realize that Automatic Control drives descending operation, the driving device 4, driving motor It is connected with scroll bar 42 on motor shaft, main turbine 43 is engaged on the scroll bar 42, the output shaft of main turbine 43, which is equipped with, to be deviateed Output 40.When needing to be lifted the seat, 41 power supply of driving motor is connected, control driving motor 41 rotates clockwise, institute Stating driving motor 41 drives worm screw 42 to be rotated, and scroll bar 42 drives main turbine 43 to be rotated, to drive deviation output 40 are rotated, and are realized eccentric output power, are driven the transverse shifting part 32 to move back and forth, the transverse shifting part 32 is in quilt In 40 drawing process of deviation output, pull-up side is rotated upwards to far from folding with the end edge that output 40 is pivotally connected is deviateed Folded 31 direction of crane movement, finally stretches the upper folded piece 311 of folding liftable frame 31 and lower folded piece 312 opening, seat Opposite supporting rack rises to peak, and the raised operation in seat is completed.When needing to fall the seat, control driving motor into Rotation, the transverse shifting part 32 are pulled reset, the upper folded piece 311 of the folding liftable frame 31 and lower folding to row counterclockwise Part 312 is ultimately at folding state, realizes step-down operation of the seat with respect to supporting rack.

In order to avoid opposite supporting rack shakes back and forth during lifting at the seat, the safe handling of product is improved Can, include the limit hole 51 slided up and down for the lifting seat 30 being arranged on supporting rack 1 in the limiting device 5, it is described The outer wall of lifting seat 30 is contacted with 51 inner wall of the limit hole.

In order to avoid opposite supporting rack shakes back and forth during lifting at the seat, the safe handling of product is improved Can, the limiting device 5 can also take the concrete structure of the limiting device 5 of second of embodiment replacement or more, the present embodiment Concrete structure it is as follows：On supporting rack 1 for the lifting seat 30 lifting across limit hole 51, in 51 inner wall of limit hole It is vertically provided with limit raised line 52, limit pulley 21 is equipped on 30 outer wall of the lifting seat, is set on the limit pulley 21 Have and coordinates with the limit raised line 52 and limit the lifting seat 30 with respect to the limiting slot 22 that support frame as described above 1 swings back and forth.This The limiting device 5 of embodiment more stablize with respect to the limiting device 5 of the first embodiment with it is firm.

The supporting rack 1 of the utility model includes bottom plate 11, and pedestal 111, the lower folding are fixed on 11 inner wall of bottom plate 312 lower end of part is articulated on the pedestal 111, and the driving device 4 is also disposed on the pedestal 111.It is fixed on bottom plate 11 There are upper cover 12, the limit hole 51 to be arranged in the upper cover 12.

In order to reinforce limiting pulley and limit the positive frictional force between raised line, it is spaced on the outer wall of the lifting seat 30 Equipped with multigroup pulley mounting plate 23, every group of pulley mounting plate 23 is made of two clamping plates, is formed between two clamping plates for placing The vertical holding tank 231 of the limit pulley 21 is connected with the connection for being pivotally connected the limit pulley 21 on two clamping plates Axis.

Claims (9)

1. a kind of lifting seat frame includes supporting rack (1), seat (2) and driving seat are with respect to the seat that supporting rack lifts Elevating mechanism (3), it is characterised in that the seat lift structure (3) includes the opposite supporting rack of fixed seating (2) bottom or more The lifting seat (30) of sliding is at least connected with two folding liftable framves (31) between the lifting seat (30) and supporting rack (1), It is connected with transverse shifting part (32) between adjacent folding liftable frame (31), the both ends of the transverse shifting part (32) are respectively with two The folding liftable frame (31) of side is pivotally connected, and driving device (4), the output shaft in driving device (4) are equipped on support frame as described above (1) On be fixed with the transverse shifting part (32) driven to move back and forth and the deviation of synchronous drive folding liftable frame (31) folding liftable Output (40), the transverse shifting part (32) deviate the position in the output shaft axle center with the pivoting point for deviateing output (40) It sets, the limiting device (5) in the opposite supporting rack swing of limitation seat is equipped between support frame as described above and seat.

2. a kind of lifting seat frame according to claim 1, it is characterised in that the folding liftable frame (31) includes pivot joint Upper folded piece (311) together and lower folded piece (312), upper end and the lifting seat (30) of the upper folded piece (311) are pivotally connected, The lower end of lower folded piece (312) is pivotally connected with support frame as described above (1), end and the upper folded piece of the transverse shifting part (32) (311) the pivot node pivot joint between lower folded piece (312).

3. a kind of lifting seat frame according to claim 1, it is characterised in that the folding liftable frame (31), transverse shifting Part (32) is two, and the both sides of the driving device (4) are respectively provided with an output shaft, the institute on an output shaft It states and deviates output (40) a transverse shifting part (32) is driven to be moved back and forth in the side of driving device, described in another The deviation output (40) on output shaft drives another transverse shifting part (32) to be come in the other side of driving device Return is dynamic.

4. a kind of lifting seat frame according to claim 2 or 3, it is characterised in that the driving device (4) includes driving Motor (41) is connected with scroll bar (42) on the motor shaft of driving motor, main turbine (43) is engaged on the scroll bar (42), main The output shaft of turbine (43), which is equipped with, deviates output (40).

5. a kind of lifting seat frame according to claim 2 or 3, which is characterized in that in the limiting device (5) including setting Set on supporting rack (1) the confession lifting seat (30) lifting across limit hole (51), in limit hole (51), inner wall is vertically set It is equipped with limit raised line (52), limit pulley (21) is equipped on the lifting seat (30) outer wall, on the limit pulley (21) The lifting seat (30) is limited with respect to the limit that support frame as described above (1) swings back and forth equipped with coordinating with the limit raised line (52) Slot (22).

6. a kind of lifting seat frame according to claim 2 or 3, which is characterized in that in the limiting device (5) including setting Set the limit hole (51) that the confession lifting seat (30) on supporting rack (1) slides up and down, the outer wall of the lifting seat (30) with Limit hole (51) the inner wall contact.

7. a kind of lifting seat frame according to claim 2, which is characterized in that support frame as described above (1) includes bottom plate (11), Pedestal (111) is fixed on bottom plate (11) inner wall, lower folded piece (312) lower end is articulated on the pedestal (111), institute Driving device (4) is stated to be also disposed on the pedestal (111).

8. a kind of lifting seat frame according to claim 7, which is characterized in that be fixed with upper cover on bottom plate (11) (12), the limit hole (51) is arranged in the upper cover (12).

9. a kind of lifting seat frame according to claim 5, which is characterized in that between on the outer wall of the lifting seat (30) Every equipped with multigroup pulley mounting plate (23), every group of pulley mounting plate (23) is made of two clamping plates, is formed and is used between two clamping plates In the vertical holding tank (231) for placing the limit pulley (21), it is connected on two clamping plates and is slided for being pivotally connected the limit Take turns the connecting shaft of (21).