CN111870439A - A seat lift displacement machine - Google Patents

Abstract

A displacement machine for lifting a seat comprises a base frame, universal casters arranged on the base frame, a vertical pipe, a foot support frame, a foot support plate, a pushing handle and a seat, wherein the seat comprises a left half seat and a right half seat; the left supporting tube is detachably matched with one vertical tube, and the right supporting tube is detachably matched with the other vertical tube; the left half seat and the right half seat are detachably matched; the method is characterized in that: the foot support frame comprises a transverse pipe in the left-right direction and two foot support fixing rods; the foot support device comprises a base frame, a base support frame, a lifting device, a foot support frame, a base support pipe and a lifting device, wherein the base support pipe is matched with the base frame in a supporting mode, the lifting device is matched with a transverse pipe and a vertical pipe, and the foot support frame, the base support pipe and the vertical pipe move upwards or downwards along with the lifting device. The lifting device is operated, the chair is lifted, the left half chair seat and the right half chair seat are rotated, the left half chair seat and the right half chair seat can be separated from the vertical pipe, and the operation is convenient.

Description

A seat lift displacement machine

technical field

The invention relates to a walking device for people with disabilities, in particular to a displacement machine.

Background technique

In the current prior art, a displacement machine includes a base frame, a universal caster on the base frame, a riser, a foot support support frame, a foot support plate, a push handle and a seat. The seat includes a left half seat and a right half seat. Half seat, left half seat includes left half seat plate, left backrest, right armrest and left support tube, right half seat includes right half seat plate, right backrest, right armrest and right support tube, foot rest support frame and stand The tube is fixedly connected; the foot support plate is connected with the foot support support frame, and the foot support plate is symmetrically arranged on the foot support support frame; The pusher is connected with the left support pipe, and the other pusher is connected with the right support pipe; the left half seat and the right half seat can be detachably matched. The existing problems are: it is inconvenient to lift the seat; it is inconvenient to disassemble the left half seat and the right additional seat.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a displacement machine for lifting the seat, which has the characteristics of convenient lifting and lowering of the seat, and convenient disassembly of the left half seat and the right additional seat.

The present invention is realized as follows: a displacement machine for lifting and lowering a seat includes a base frame, a universal caster provided on the base frame, a riser, a foot support support frame, a foot support plate, a push handle and a seat, and the seat includes The left half seat and the right half seat, the left half seat includes the left half seat plate, the left backrest, the right armrest and the left support tube, and the right half seat includes the right half seat plate, the right backrest, the right armrest and the right support tube; The foot support plate is connected with the foot support support frame, and the foot support plate is arranged symmetrically on the left and right sides of the foot support support frame; Pipe connection, another push handle is connected with the right support pipe; the left half seat and the right half seat can be detachably matched; its special feature is: the foot support support frame includes a horizontal pipe in the left and right directions and two foot support fixing rods ;

Also includes bottom support tubes and lifting devices,

The bottom support pipe is supported and matched with the base frame, the lifting device is matched with the lateral pipe and the vertical pipe, and the foot support support frame, the bottom support pipe and the vertical pipe move upward or downward with the lifting device.

Preferably, the lifting device includes a seat tube, a transmission rod with two worm parts, a driven wheel, a screw, an upper tube seat with an upper opening, a lower tube seat with a lower opening, and a bearing,

The bottom plate of the upper tube seat is provided with a through hole and an upper connecting tube, and the top plate of the lower tube seat is provided with a through hole and a lower connecting tube.

The driven wheel includes worm gear teeth arranged on the outer circumferential surface, an inner threaded hole arranged in the center, and a shaft head arranged at both ends of the inner threaded hole;

The transverse tube is fixedly connected with the seat tube, and a wheel hole is arranged at the connection between the transverse tube and the seat tube; the driven wheel is arranged in the seat tube, the upper tube seat and the lower tube seat are respectively arranged in the upper end and the lower end of the seat tube, and the upper The connecting seat and the shaft head of the driven wheel are fixedly connected with the inner ring of a bearing, and the lower connecting pipe of the lower seat tube and the shaft head of the driven wheel are fixedly connected with the inner ring of the other bearing; The worm part is engaged through the wheel hole; the lower end of the stand pipe is inserted into the upper pipe seat and fixedly connected together, the upper end of the bottom support pipe is inserted into the lower seat body and fixedly connected together; the lower end of the screw rod is fixedly connected with the base frame, The screw is screwed with the inner thread hole of the driven wheel, and the screw extends into the riser.

Preferably: it also includes two pivot seats and a drive wheel with a handle, the pivot seats are arranged in both ends of the transverse tube, the transmission rod is rotatably matched with the pivot seat; the driving wheel is fixedly connected to one end of the transmission rod.

Preferably: it also includes a connecting device, the connecting device includes a flanged connecting sleeve, a fastening cover and a connecting rod with a locking head, the connecting sleeve includes a locking hole, an annular baffle and an annular support platform, and the locking hole includes The axial part and the circumferential part; the fastening cover includes a center hole on the top cover plate and a radial inlet and outlet hole communicated with the center hole;

The left support pipe and the right support pipe are provided with connecting rod fixing holes, one connecting rod is inserted into the connecting rod fixing hole of the left support pipe, and the locking head is fitted with the left support pipe; the other connecting rod is inserted into the right support pipe. In the connecting rod fixing hole, the locking head fits with the right support tube;

The connecting sleeve is inserted into the standpipe, the annular baffle is fitted with the end of the standpipe, the fastening cover is fixedly connected with the upper end of the standpipe, the axial portion of the locking hole is opposite to the radial inlet and outlet holes of the fastening cover, and the locking The head mates with the locking hole.

Preferably: the left backrest and the right backrest are connected by a detachable connecting device.

Preferably: the detachable connecting device includes a slot-shaped locking frame plate, a knob of a polished rod screw and a pre-embedded nut; the rear wall of the slot-shaped locking frame plate is provided with a connecting hole, and the front wall is provided with a fitting groove;

The left seat half is provided with a connecting pipe;

The end of the left backrest of the right seat half is located in the slot-shaped locking frame plate, the connecting pipe is fitted into the fitting groove, the polished rod screw passes through the connecting hole, and the connecting pipe is screwed with the nut of the knob.

Preferably: the detachable connecting device is a belt.

Preferably: the detachable connecting device includes a locking rod and a locking plate, the locking plate is provided with a locking groove, the locking rod is fixed on the right backrest, the locking plate is pivotally connected to the left backrest, the locking groove and the locking rod Cooperate.

Preferably, the left half-hole and the right half-hole are respectively provided on the left half-seat plate and the right half-seat plate, and the left half-hole and the right half-hole are butted together.

The present invention is a displacement machine for lifting the seat. Due to the adoption of such a structure, the lifting device is operated, the seat is lifted and lowered, and the left half seat and the right half seat are rotated. Separate and easy to operate.

Description of drawings

FIG. 1 is one of the perspective views of the present invention.

FIG. 2 is a second perspective view of the present invention.

Figure 3 is one of the exploded perspective views of the present invention.

FIG. 4 is a partial enlarged view of FIG. 3 .

FIG. 5 is a cross-sectional view of the present invention.

FIG. 6 is an enlarged view of the portion A in FIG. 5 .

FIG. 7 is an enlarged view of the portion B in FIG. 5 .

FIG. 8 is an A-A view of FIG. 5 .

9 is a perspective cross-sectional view of the footrest support frame of the present invention.

Fig. 10 is the second exploded perspective view of the present invention.

Fig. 11 is a partial perspective view of the lifting device of the present invention.

Figure 12 is the third exploded perspective view of the present invention.

Fig. 13 is one of the perspective views of the left seat half of the present invention.

Fig. 14 is the second perspective view of the right seat half of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, a displacement machine for seat lifting includes a base frame 1, a universal caster 2 arranged on the base frame, a riser 3, a foot support support frame 4, a foot support plate 5, a push handle 6 and a seat Chair 7, the base frame 1 is in the shape of a frame with one end open, a pair of universal casters are arranged at the closed end of the base frame 1, and the other pair is arranged at the open end of the base frame; the seat 7 includes a left half seat 71 and a right half seat The seat 72, the left half seat 71 includes a left half seat plate 711, a left backrest 712, a right armrest 713 and a left support tube 714, and the right half seat 72 includes a right half seat plate 721, a right backrest 722, a right armrest 723 and a right The support tube 724; the left half seat plate 711 and the right half seat plate 721 are connected to form a seat plate; the foot support plate 5 is connected with the foot support support frame 4, and the foot support plate 5 is arranged symmetrically on the foot support frame 5; the left support tube 714 is detachably matched with a stand pipe 3, the right support pipe 724 is detachably matched with another stand pipe 3, the push handle 6 is connected with the left support pipe 714, and the other push handle 6 is connected with the right support pipe 724; the left half seat 71 and The right seat half 72 can be detachably matched; the foot support bracket 4 includes a lateral tube 41 in the left and right directions and two foot support fixing rods 42;

Also includes the bottom support tube 8 and the lifting device,

The bottom support tube 8 supports and cooperates with the base frame 1 , the lifting device cooperates with the horizontal tube 41 and the vertical tube 8 , and the foot support frame 4 , the bottom support tube 8 and the vertical tube 3 move upward or downward with the lifting device.

The lifting device includes a seat tube 91, a transmission rod 92 provided with two worm parts 921, a driven wheel 93, a screw 94, an upper tube seat 95 with an upper opening, a lower tube seat 96 with a lower opening, and a bearing 97,

The bottom plate of the upper tube seat 95 is provided with a through hole and an upper connecting pipe, the open end of the upper tube seat 95 is provided with an annular baffle plate, the top plate of the lower tube seat 96 is provided with a through hole and a lower The lower open end is provided with a circular baffle,

The driven wheel 93 includes worm gear teeth 931 arranged on the outer circumferential surface, an inner threaded hole arranged in the center, and a shaft head arranged at both ends of the inner threaded hole;

The lateral tube 41 is fixedly connected with the seat tube 91 , a wheel hole 911 is provided at the connection between the lateral tube 41 and the seat tube 91 ; the driven wheel 93 is arranged in the seat tube 91 , and the upper tube seat 95 and the lower tube seat 96 are respectively arranged in the seat tube 91 In the upper and lower ends of the upper tube seat 95, the upper connecting seat of the upper tube seat 95 and the shaft head of the driven wheel 93 are fixedly connected with the inner ring of a bearing 97, and the flange is matched with the end of the seat tube 91 to stop; the lower connection of the lower seat tube 96 The shaft head of the tube and the driven wheel 94 is fixedly connected with the inner ring of the other bearing 97, and the annular baffle of the lower seat tube 96 cooperates with the lower end of the seat tube 91 to stop; engages with the worm part 921 through the wheel hole 911; the lower end of the stand pipe 3 is inserted into the upper pipe seat 95 and fixedly connected together; the upper end of the bottom support pipe 8 is inserted into the lower seat body 96 and fixedly connected together; the screw 94 The lower end is fixedly connected with the base frame 1, the screw 94 is screwed with the inner threaded hole of the driven wheel 93, and the screw extends 94 into the riser 3;

It also includes two pivot bases 10 and a drive wheel 11 with a handle. The pivot base 10 is arranged in the countersunk holes 411 at both ends of the transverse tube 41, and the transmission rod 92 is rotatably matched with the pivot base 10; the drive wheel 11 and One end of the transmission rod 92 is fixedly connected;

It includes the end cover 12, the two ends of the transverse tube 41 are inserted into the end cover, the end plate of the end cover 12 adjacent to the driving wheel is provided with a shaft hole, and the transmission rod extends through the end cover 12 to connect with the driving wheel.

When in use, hold the handle to rotate the driving wheel 11 clockwise, the transmission rod 92 rotates, the worm part 921 drives the driven wheel 93, the inner threaded hole of the driven wheel 93 rotates with the screw 94, the foot support frame 4, the bottom support tube 8, the seat The pipe 91 and the riser 3 move upward together, and the left seat half 71 and the right seat half 72 move upward synchronously.

The left half seat plate 711 and the right half seat plate 721 are respectively provided with a left half hole and a right half hole, and the left half hole and the right half hole are butted together. For those who cannot walk, sit on the seat board, urinate, etc.

As a further improvement of the present invention: as shown in FIG. 3 , FIG. 4 , and FIG. 7 , a connecting device is also included. The connecting device includes a flanged connecting sleeve 13 , a fastening cover 14 and a connecting rod 15 with a locking head 151 . , the connecting sleeve 13 includes a locking hole 131, an annular baffle 132 and an annular supporting platform 133, the locking hole 131 includes an axial portion 1311 and a circumferential portion 1312; the fastening cover 14 includes a central hole 141 provided on the top cover plate and a radial inlet and outlet holes 142 communicating with the central hole;

The left support pipe 714 and the right support pipe 724 are provided with connecting rod fixing holes, one connecting rod 15 is inserted into the connecting rod fixing hole of the left support pipe 714, and the locking head 151 is fitted with the left support pipe; the other connecting rod 15 is inserted into the connecting rod fixing hole of the right support tube 724, and the locking head 151 is fitted with the right support tube 714;

The connecting sleeve 13 is inserted into the standpipe 3 , the annular baffle 132 is attached to the end of the standpipe 3 , the fastening cover 14 is fixedly connected to the upper end of the standpipe 3 , the axial portion 1311 of the locking hole 131 is connected to the fastening cover The radial inlet and outlet holes 142 of 14 are opposite to each other, and the locking head 151 is matched with the locking hole;

For example, the right support tube 724 is opposite to the center hole 141 of the fastening cover 14, the locking head 151 is opposite to the radial inlet and outlet holes 142, the right support tube 724 moves relative to the fastening cover 14, the right support tube 724 is matched with the center hole, and the lock is closed. The head 151 enters the lower end of the axial portion 1311 through the radial inlet and outlet holes 142; then rotates, the right support tube 724, the locking head 151 enters the closed end of the circumferential portion 1312, and the lower end of the right support tube 724 supports and cooperates with the annular support platform 133;

When the present invention is used, in the state shown in FIG. 1, the left seat half 71 is rotated counterclockwise, and the right seat half 72 is rotated clockwise, as shown in FIG. 2; in the state shown in FIG. 2, the locking head 151 and the shaft The direction portion 1311 and the radial inlet and outlet holes 142 are opposite to each other, and then the left seat half 71 is moved upward to realize the separation of the left seat half 71 from the standpipe 3 , and the operation is convenient.

The left backrest 712 and the right backrest 722 are connected by a detachable connecting device; as shown in FIG. 8 and FIG. 12 , the detachable connecting device includes a slot-shaped locking frame plate 16, a polished rod screw 17 and a knob of a pre-embedded nut 18; a connecting hole 161 is provided on the rear wall of the slot-shaped locking frame plate 16, and a fitting groove 162 is provided on the front wall;

The left seat half 71 is provided with a connecting pipe 715;

The end of the left backrest 722 of the right seat half 72 is located in the slot-shaped locking frame plate 16, the connecting pipe 715 is fitted into the fitting groove 162, and the polished rod screw 17 passes through the connecting hole 161, the connecting pipe 715 and the knob. 18 nuts are screwed together.

The detachable connecting device is a strap.

The detachable connecting device includes a locking rod and a locking plate, the locking plate is provided with a locking groove, the locking rod is fixed on the right backrest, the locking plate is pivotally connected to the left backrest, and the locking groove cooperates with the locking rod.

As shown in Figures 1 and 2, the left seat half 71 also includes a frame-shaped support frame with one end open, the frame-shaped support frame 716, and the frame-shaped support frame 716 includes a backrest seat 7161 at the closed end and an armrest seat 7162 at the open end, The left backrest 712 is connected with the top of the backrest seat 7161, and the armrest 713 is connected with the top of the armrest seat 7612; the right half seat 72 and the left half seat 71 are structurally opposite and symmetrical;

The open end of the frame-shaped support frame 716 is fixedly connected with the left support tube 714 , and the connecting tube 715 is provided at the closed end of the frame-shaped support frame 716 . The closed end of the frame-shaped support frame 725 of the right seat half 72 is located within the slot-lock frame plate 16 .

The foregoing are merely preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made, which are also regarded as the protection scope of the present invention.

Claims (9)

1. A seat lifting displacement machine comprises a base frame, universal casters arranged on the base frame, a vertical pipe, a foot support frame, a foot supporting plate, a pushing hand and a seat, wherein the seat comprises a left half seat and a right half seat; the foot supporting plates are connected with the foot support supporting frame, and the foot supporting plates are arranged on the foot support supporting frame in a left-right symmetrical mode; the left supporting tube is detachably matched with one vertical tube, the right supporting tube is detachably matched with the other vertical tube, the pushing hand is connected with the left supporting tube, and the other pushing hand is connected with the right supporting tube; the left half seat and the right half seat are detachably matched; the method is characterized in that: the foot support frame comprises a transverse pipe in the left-right direction and two foot support fixing rods;

also comprises a bottom supporting pipe and a lifting device,

the base support tube is matched with the base frame support, the lifting device is matched with the transverse tube and the vertical tube, and the foot support frame, the base support tube and the vertical tube move upwards or downwards along with the lifting device.

2. The seat lifting and lowering displacement machine of claim 1, wherein: the lifting device comprises a seat tube, a transmission rod provided with two worm parts, a driven wheel, a screw rod, an upper tube seat with an upper opening, a lower tube seat with a lower opening and a bearing,

the bottom plate of the upper tube seat is provided with a through hole and an upper connecting tube, the top plate of the lower tube seat is provided with a through hole and a lower connecting tube,

the driven wheel comprises worm gear teeth arranged on the outer circumferential surface, an internal thread hole arranged in the center and shaft heads arranged at two ends of the internal thread hole;

the transverse pipe is fixedly connected with the seat pipe, and a wheel hole is formed in the joint of the transverse pipe and the seat pipe; the driven wheel is arranged in the seat tube, the upper tube seat and the lower tube seat are respectively arranged in the upper end and the lower end of the seat tube, the upper connecting seat of the upper tube seat and the shaft head of the driven wheel are fixedly connected with an inner ring of a bearing, and the lower connecting tube of the lower tube seat and the shaft head of the driven wheel are fixedly connected with an inner ring of another bearing; the transmission shaft is pivoted in the transverse pipe, and the driven wheel is meshed with the worm part through a wheel hole; the lower end of the vertical pipe is inserted into the upper pipe seat and fixedly connected together, and the upper end of the bottom support pipe is inserted into the lower pipe seat and fixedly connected together; the lower end of the screw rod is fixedly connected with the base frame, the screw rod is screwed with the internal thread hole of the driven wheel, and the screw rod extends into the vertical tube.

3. The seat lifting and lowering displacement machine according to claim 2, wherein: the driving wheel is provided with a handle, two pivoting seats and a driving rod, wherein the pivoting seats are arranged in two ends of the transverse pipe, and the driving rod is in rotating fit with the pivoting seats; the driving wheel is fixedly connected with one end of the transmission rod.

4. The seat lifting and lowering displacement machine of claim 1, wherein: the connecting device comprises a connecting sleeve with a flange, a fastening cover and a connecting rod with a locking head, the connecting sleeve comprises a locking hole, an annular baffle and an annular supporting platform, and the locking hole comprises an axial part and a circumferential part; the fastening cover comprises a top cover plate and a fastening cover, wherein the top cover plate is provided with a central hole and a radial inlet and outlet hole communicated with the central hole;

the left supporting tube and the right supporting tube are provided with connecting rod fixing holes, a connecting rod is inserted into the connecting rod fixing hole of the left supporting tube, and the locking head is attached to the left supporting tube; the other connecting rod is inserted into a connecting rod fixing hole of the right supporting tube, and the locking head is attached to the right supporting tube;

the connecting sleeve is inserted into the vertical pipe, the annular baffle is attached to the end part of the vertical pipe, the fastening cover is fixedly connected with the upper end of the vertical pipe, the axial part of the locking hole is opposite to the radial inlet and outlet hole of the fastening cover, and the locking head is matched with the locking hole.

5. The seat lifting and lowering displacement machine of claim 1, wherein: the left backrest and the right backrest are connected through a detachable connecting device.

6. The seat lifting and lowering displacement machine of claim 1, wherein: the detachable connecting device comprises a groove-shaped locking frame plate, a polished rod screw and a knob of an embedded nut; the rear wall plate of the groove-shaped locking frame plate is provided with a connecting hole, and the front wall plate is provided with an embedded groove;

the left half seat is provided with a connecting pipe;

the end part of the left half backrest of the right half seat is positioned in the groove-shaped locking frame plate, the connecting pipe is embedded with the embedding groove, and the polished rod screw penetrates through the connecting hole and the connecting pipe to be screwed with the nut of the knob.

7. The seat lifting and lowering displacement machine of claim 1, wherein: the detachable connecting device is a belt.

8. The seat lifting and lowering displacement machine of claim 1, wherein: the detachable connecting device comprises a locking rod and a locking plate, the locking plate is provided with a locking groove, the locking rod is fixed on the right backrest, the locking plate is pivoted on the left backrest, and the locking groove is matched with the locking rod.

9. A seat lifting and lowering displacement machine according to claims 1, 2, 3, 4, 5, 6, 7 or 8, characterized in that: and the left half seat plate and the right half seat plate are respectively provided with a left half hole and a right half hole, and the left half hole is in butt joint with the right half hole.

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