CN217661322U

CN217661322U - Seat adjusting device

Info

Publication number: CN217661322U
Application number: CN202220243543.6U
Authority: CN
Inventors: 巩珊; 倪裕玲
Original assignee: Jinhua central hospital
Current assignee: Jinhua central hospital
Priority date: 2022-01-05
Filing date: 2022-01-28
Publication date: 2022-10-28
Anticipated expiration: 2032-01-28

Abstract

The utility model relates to a seat adjusting device, the on-line screen storage device comprises a base, the frame that sets up on the base, set up the vertical lift device who is used for installing the seat in the frame, vertical lift device is including two slide rails that are located the seat back and are parallel to each other, support the pedestal with sliding of two slide rail sliding connection settings again, realize the regulation of seat height from top to bottom through vertical lift device, and slide and be provided with the connecting seat again in supporting the pedestal, be equipped with seat front and back adjusting part in the connecting seat, the regulation of position around the seat is realized to adjusting part through the seat front and back. Compare the position of seat among the prior art and can not adjust, the technical scheme of the utility model make the seat all can adjust in two positions at same sliding support internal, training person's seat just can adjust to the best training position that accords with self most, improves the training effect, and does not have the order to distinguish between the position control of two directions.

Description

Seat adjusting device

Technical Field

The utility model belongs to the technical field of medical rehabilitation apparatus, concretely relates to seat adjusting device for low limbs muscle training apparatus.

Background

The Chinese patent of the grant publication No. CN111714841B lower limb rehabilitation trainer and the training method thereof discloses a lower limb rehabilitation trainer, wherein a counterweight area is arranged in a vertical frame, a leg bending training rod is arranged at the front end of a seat, and the end part of the leg bending training rod is movably connected with the lower end of a swing rod; and a counterweight block device is arranged in the counterweight area, one end of the nylon winding belt is connected with the counterweight block device, and the other end of the nylon winding belt is connected with the gear disc through a guide mechanism. This low limbs rehabilitation training device can be according to different patients' demand, adjusts the position of the mechanism of cranking leg to the muscle that realizes recovered different positions obtains taking exercise.

According to the technical scheme, the seat cannot be adjusted up and down and front and back, the training action of the lower limb rehabilitation training device is completed by sitting on the seat, and due to different physical signs of each person, the suitable positions of the seat, front and back, are different for each trainer, so that the seat needs to be further designed to be adjustable in position, the seat is in the best position when the trainer trains, and the rehabilitation efficiency is improved.

Disclosure of Invention

To the defect that above-mentioned prior art exists, the utility model aims to solve the technical problem that a seat adjusting device for low limbs muscle training apparatus is provided, this adjusting device can carry out the seat around the position with about the position adjust respectively to make training person's seat be in best training position.

The invention aims to be realized by the following technical scheme: the utility model provides a seat adjusting device, includes the base, and the vertical frame of installing on the base is equipped with the vertical lift device who is used for installing the seat in the frame, and vertical lift device is including being located two slide rails that seat back one side is fixed to be set up on the frame perpendicularly and be parallel to each other, with two slide rail sliding connection's the support pedestal that slides, slides and support the pedestal and include the connecting seat, is equipped with seat front and back adjusting part in the connecting seat.

Preferably, the vertical lifting device also comprises a screw rod transmission mechanism which is arranged on one side of the slide rail in parallel; the screw rod transmission mechanism is internally provided with a transmission nut, and the transmission nut is connected with the sliding support base body to drive the sliding support base body to slide up and down. The vertical lifting device is used for adjusting the up-down height of the seat so as to adapt to different trainers. The screw rod transmission has better precision, and the driven motor is a stepping motor with self-locking or a motor with a brake, so that the well-adjusted position can be ensured to be stable.

Preferably, the sliding support seat body comprises two sliding sleeves which are respectively in sliding fit with the two sliding rails, and a connecting seat which is connected with the two sliding sleeves is arranged on one side far away from the seat. The arrangement adopts the matching of two sliding rails and the sliding sleeve, so that the movement of the connecting seat is integrally stable and parallel, and the screw rod transmission mechanism is easier to drive.

Preferably, the connecting seat is provided with a seat front-back adjusting assembly, the seat front-back adjusting assembly comprises an air cylinder, sliding sleeve guide assemblies and a seat mounting seat, the air cylinder is arranged at the center of the surface of the connecting seat and is far away from one side of the seat, the sliding sleeve guide assemblies are respectively arranged at two sides of the air cylinder, and the seat mounting seat is arranged at one side close to the seat; therefore, the seat can be adjusted up and down and also can be adjusted in the front and back positions.

The sliding sleeve guide assembly comprises a sliding rod and a sliding seat, and the end part of the sliding rod and the end part of a piston rod in the air cylinder are respectively connected with the seat backup plate. The sliding sleeve guide assembly enables the seat to be in a relatively stable state in the adjusting process of the front position and the rear position and after the adjustment is completed.

Preferably, the frame is provided with distance sensors for monitoring the moving distance of the vertical lifting device respectively near the upper top and the lower bottom. The distance sensor enables the seat to be adjusted up and down only within a certain height range, so as to ensure safety.

To sum up, compared with the prior art, the utility model has the following advantages:

the utility model discloses set up the base, the base sets up the frame, set up the vertical lift device who is used for installing the seat in the frame, vertical lift device including being located two slide rails that the back of the seat is parallel to each other, support the pedestal with sliding of two slide rail sliding connection settings again, realize the regulation of height about the seat through vertical lift device, and slide and be provided with the connecting seat again in supporting the pedestal, be equipped with seat front and back adjusting part in the connecting seat, adjusting part realizes the regulation of position around the seat through seat front and back adjusting part.

Compare the position of seat among the prior art and can not adjust, the technical scheme of the utility model make the seat all can adjust in two positions at same sliding support internal, training person's seat just can adjust to the best training position that accords with self most, improves the training effect, and does not have the order to distinguish between the position control of two directions.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the chair of the present invention;

fig. 3 is a schematic view of a rear view of the present invention.

The labels in the figure are:

a seat 001; the distance sensor 002; a base 100; a frame 200; a vertical lifting device 300; a slide rail 310; a sliding sleeve 311; a connecting seat 312; a sliding support base 320; a screw drive 330; a drive nut 331; a seat fore-aft adjustment assembly 400; a cylinder 410; a sliding sleeve guide assembly 420; a seat mount 430; a seat pan 431; a seat back 432; the pad 433 is tilted.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example (b):

as shown in fig. 1 to 3, a seat adjusting device is installed in a lower limb training apparatus for adjusting the up-down height position and the front-rear position of a seat 001 in the lower limb training apparatus.

The adjusting device mainly comprises a base 100 and a frame 200 vertically installed on the base 100, wherein a vertical lifting device 300 for installing the seat 001 is arranged in the frame 200.

The vertical lifting device 300 comprises two sliding rails 310 which are positioned on one side of the back surface of the seat 001, are fixedly arranged on the frame 200, are vertical to each other, and are parallel to each other, the upper ends and the lower ends of the two sliding rails 310 are fixedly connected with the frame 200 through supports, a sliding support seat body 320 is connected with the two sliding rails 310 in a sliding manner, and a screw rod transmission mechanism 330 is arranged on one side of the sliding rails 310 in parallel; the screw rod transmission mechanism 330 is provided with a transmission nut 331, and the transmission nut 331 is connected with the sliding support base body 320 to drive the sliding support base body to slide up and down. The screw drive 330 is provided with a motor for driving the screw, and the motor is a stepping motor with self-locking or a motor with a brake, so that the locking at the adjusted position can be ensured.

The sliding support base 320 includes two sliding sleeves 311 respectively sliding-fitted with the two sliding rails 310, and a connecting base 312 detachably and fixedly connecting the two sliding sleeves 311 with bolts on one side far away from the seat 001.

A seat front-back adjusting assembly 400 is arranged on the connecting seat 312, and the seat front-back adjusting assembly 400 comprises an air cylinder 410 fixedly arranged at the center of the plate surface of the connecting seat 312 and far away from one side of the seat 001, guide assemblies 420 respectively sliding on two sides of the air cylinder 410, and a seat mounting seat 430 arranged at one side close to the seat 001; the seat can not only realize the up-down position adjustment, but also realize the front-back position adjustment. The seat mount 430 includes a seat bottom 431, a seat back 432 vertically connected to the seat bottom 431, and a tilt pad 433 provided between the seat bottom 431 and the seat back 432.

The sliding sleeve guide assembly 420 comprises a sliding rod and a sliding seat which are slidably engaged with each other, and an end of the sliding rod and an end of a piston rod in the air cylinder 410 are respectively and fixedly connected with the seat back plate 432 through bolts. The sliding sleeve guide assembly is used for enabling the seat to be in a relatively stable state in the process of adjusting the front position and the rear position and after the adjustment is completed.

The frame 200 is provided with distance sensors 002 for monitoring the moving distance of the vertical elevating device 300 near the upper top and near the lower bottom, respectively. The distance sensor 002 allows the seat to be adjusted up and down only within a certain height range to ensure safety.

Adjustment of seat position:

1. adjusting the up-down position, starting a motor in the screw rod transmission mechanism 330, moving the transmission nut 331 up and down in the process of engaging with the screw rod, so as to drive the sliding support seat body 320 to move correspondingly, wherein the seat 001 is installed on the seat installation seat 430, the seat installation seat 430 is installed on the connection seat 312, the connection seat 312 belongs to a part in the sliding support seat body 320, and therefore the seat 001 is adjusted correspondingly along with the up-down movement of the sliding support seat body 320;

2. the front and back position is adjusted by starting the air cylinder 410 in the seat front and back adjusting assembly 400, the end of the piston rod in the air cylinder 410 is connected with the seat back plate 432, the front and back position of the seat 001 is adjusted by extending and contracting the piston rod of the air cylinder 410, and the sliding sleeve guiding assemblies 420 on both sides of the air cylinder 410 provide stability for the front and back movement of the seat 001.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a seat adjusting device, including base (100), vertical frame (200) of installing on base (100), a serial communication port, be equipped with vertical lift device (300) that are used for installing seat (001) in frame (200), vertical lift device (300) is including being located fixed two slide rails (310) that set up perpendicularly and be parallel to each other on frame (200) in seat (001) back one side, with two slide rails (310) sliding connection's the support pedestal (320) that slides, the support pedestal (320) that slides includes connecting seat (312), be equipped with seat front and back adjusting part (400) in connecting seat (312).

2. The seat adjusting apparatus according to claim 1, wherein the vertical lifting device (300) further comprises a screw transmission (330) disposed in parallel on one side of the slide rail (310).

3. The seat adjusting device of claim 2, wherein the screw rod transmission mechanism (330) is provided with a transmission nut (331), and the transmission nut (331) is connected with the sliding support base body (320) to drive the sliding support base body to slide up and down.

4. The seat adjusting device of claim 1, wherein the sliding support base (320) comprises two sliding sleeves (311) slidably engaged with the two sliding rails (310), and a connecting base (312) connects the two sliding sleeves (311) at a side away from the seat (001).

5. The seat adjusting apparatus of claim 1, wherein the seat front-rear adjusting assembly (400) comprises a cylinder (410) disposed at a center of a plate surface perpendicular to the connecting seat (312) and at a side far from the seat (001), sliding sleeve guide assemblies (420) disposed at both sides of the cylinder (410), and a seat mounting seat (430) disposed at a side near the seat (001).

6. The seat adjustment apparatus according to claim 5, wherein the seat mount (430) comprises a seat pan (431), a seat back plate (432) vertically connected to the seat pan (431), and a tilt pad (433) provided between the seat pan (431) and the seat back plate (432).

7. The seat adjustment device of claim 6, wherein the sliding sleeve guide assembly (420) comprises a sliding rod and a sliding seat, and an end of the sliding rod and an end of a piston rod in the cylinder (410) are respectively connected with the seat back plate (432).

8. The seat adjusting apparatus according to claim 1, wherein the frame (200) is provided with distance sensors (002) for monitoring the moving distance of the vertically movable device (300) near the upper top portion and near the lower bottom portion, respectively.