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CN-116370110-B - Doctor chair with adjustable seat

CN116370110BCN 116370110 BCN116370110 BCN 116370110BCN-116370110-B

Abstract

The invention discloses a seat adjustable doctor seat, which comprises a seat, armrests and a walking wheel assembly, wherein the seat comprises a seat part with a base and a cushion, a chair part with a backrest and a back cushion, and a seat rod, the base comprises a fixed seat, a sliding seat and a seat plate, the backrest comprises a lower leaning rod and an upper leaning rod, when the upper leaning rod and the lower leaning rod are relatively rotated and folded, the back cushion and the cushion are relatively close and are arranged in an up-down fit manner, the sliding seat comprises a seat body, a control arm rod and a mounting seat, the seat plate is mounted on the mounting seat, the doctor seat further comprises a seat adjusting structure, and the seat adjusting structure comprises a turnover mechanism and a lifting mechanism. The invention can not only implement the fore-and-aft and up-and-down adjustment of the seat, but also implement the angle adjustment of the seat part and the armchair part, especially the armchair part itself can also be highly adjusted, thus meeting the requirement that the seat support of the seat forms the best support under the required angle and height when different doctors work or rest.

Inventors

  • CHEN YUHAO
  • YANG CHU

Assignees

  • 康辉医疗科技(苏州)有限公司

Dates

Publication Date
20260505
Application Date
20211119

Claims (9)

  1. 1. The seat comprises a seat part with a base and a cushion, a chair part with a backrest and a cushion and a seat rod, and is characterized in that the base comprises a fixed seat, a sliding seat arranged on the fixed seat in a sliding way along the front-back direction of the fixed seat, and a seat plate arranged on the sliding seat, wherein a sliding rail extending along the front-back direction is arranged on the fixed seat, the cushion is arranged on the seat plate, the backrest comprises a lower leaning rod with the lower end part in butt joint with the sliding seat, an upper leaning rod which rotates with the lower leaning rod and is movably adjusted along the length direction of the lower leaning rod, the cushion is arranged on the lower leaning rod or/and the upper leaning rod, when the upper leaning rod and the lower leaning rod are relatively rotated and folded, the cushion is relatively close to the cushion and is relatively attached to the upper leaning rod and the lower leaning rod, the sliding seat body arranged on the sliding seat body, an operating arm rod which is connected with the seat body and can be relatively locked with the fixed seat body, and a mounting seat arranged on the seat body, and the seat plate is arranged on the mounting seat plate. The installation seat comprises a seat bucket with an upward opening, a connecting rod fixed on the seat body, a seat sleeve arranged in the seat bucket and provided with a seat sleeve butted with the connecting rod, a seat plate is connected to the upper part of the front end part of the seat bucket through a horizontally extending pivot, a chute arranged from top to bottom is formed at the front end part of the seat bucket, a control arm rod extends forwards from the front end part of the seat body and is positioned below the seat part, the control arm rod is rotatably arranged on the seat body from the rear end part, a tension spring for keeping the control arm rod and the seat body relatively attached is arranged between the control arm rod and the seat body, a plurality of inserting grooves distributed along the front-rear direction are formed on the fixed seat, inserting connectors matched with the inserting grooves are formed on the control arm rod, the control arm rod is separated from the fixed seat under the external force and keeps unlocking, the seat rod comprises an inner sleeve rod and an outer sleeve rod, the doctor seat also comprises a seat adjusting structure, and the seat adjusting structure comprises a turnover mechanism arranged between the slide seat and a seat plate to drive the seat plate to turn around in the horizontal direction and a lifting mechanism for driving the inner sleeve rod and the outer sleeve rod to relatively extend or shorten.
  2. 2. The adjustable seat physician's chair of claim 1, wherein the seat plate is pivotally connected to the front end of the slide base by a pivot, and wherein the seat plate conceals the flip mechanism between the seat plate and the slide base.
  3. 3. The adjustable chair seat physician's seat of claim 1 wherein the inner sleeve is fixed to the physician's seat chassis from a lower end, the outer sleeve is disposed in a vertically relative motion along a length of the inner sleeve, and an upper end is fixed to the fixed base.
  4. 4. The adjustable chair of claim 2 or 3, wherein the plurality of inserting grooves are arranged side by side and form two rows, the inserting heads are positioned on two opposite sides of the control arm rod, and the two tension springs are correspondingly distributed on two opposite sides of the control arm rod.
  5. 5. The adjustable seat of claim 1, wherein the turnover mechanism comprises a sliding block arranged in the sliding groove in a sliding way, a connecting module fixed at the rear part of the seat plate, a stay rod with two ends rotatably connected between the sliding block and the connecting module, and a locking piece for locking the sliding block and the seat bucket relatively, wherein the stay rod is a telescopic rod and is an air cylinder, an oil cylinder or an electric cylinder.
  6. 6. The adjustable seat of claim 5, wherein an inner support is further provided in the bucket, the inner support comprising a diagonal brace having one end portion fixed to the front end of the bucket and the other end portion supported on the sleeve, and a support plate for positioning the diagonal brace on the bucket floor.
  7. 7. The adjustable seat pan physician chair of claim 6, wherein the flip mechanism further comprises a top support member mounted on the inner support frame and disposed between the front and rear portions of the seat pan, the top support member comprising a first member disposed on the diagonal support and a second member disposed on the seat pan, wherein the first member and the second member are coupled for universal rotation.
  8. 8. The adjustable seat as set forth in claim 1, wherein a notch is formed in the rear portions of the seat pan and the seat cushion, the lower arm is connected to the slide base from a lower end portion thereof via a connecting shaft, an upper end portion of the lower arm extends out of the notch and is positioned above the seat cushion, the upper arm includes a first arm rotatably and horizontally locked to an upper portion of the lower arm, a second arm movably provided to the first arm in a longitudinal direction of the first arm, and a locking portion for locking the first arm and the second arm relative to each other, and the seat cushion is provided to an upper portion of the second arm.
  9. 9. The adjustable chair seat doctor seat of claim 1 wherein the number of the seat rods is two, a rod sleeve is formed on the periphery of each inner sleeve rod, balls are arranged on the rod sleeves, the inner wall of each outer sleeve rod is attached to the balls and moves up and down along the length direction of each inner sleeve rod, and the lifting mechanism comprises a power lifting rod arranged between a chassis of the doctor seat and the fixed seat and a limiting module arranged at the lower end part of each inner sleeve rod and protruding outwards from the periphery.

Description

Doctor chair with adjustable seat The application relates to a divisional application with the application date of 2021, 11-19, the application number of 2021113756962 and the name of a doctor seat. Technical Field The invention belongs to the field of medical instruments, and particularly relates to a doctor seat with an adjustable seat. Background It is known that when a doctor performs an examination or treatment operation for a long time, physical fatigue is likely to occur, and if the fatigue of the limb cannot be relieved, the operation is unstable, and the result of the treatment or examination is directly affected. Currently, for a doctor's seat, it includes a seat, armrests and a walking wheel assembly, wherein the seat and armrests are generally fixed and cannot be adjusted, so that the seat and armrests cannot be supported at proper angles and positions (mainly front and back and up and down) when the doctor has a rest or works, and the common seat is difficult to meet the needs of work or rest due to the difference of the physique of the doctor. Disclosure of Invention The invention aims to solve the technical problem of overcoming the defects in the prior art and providing an improved seat adjustable doctor seat. The seat comprises a seat part with a base and a cushion, a chair part with a backrest and a cushion, and a seat rod, wherein the seat comprises a fixed seat, a sliding seat arranged on the fixed seat in a sliding way along the front and back directions of the fixed seat, a seat plate arranged on the sliding seat, a sliding rail extending along the front and back directions is arranged on the fixed seat, the cushion is arranged on the seat plate, the backrest comprises a lower leaning rod with the lower end part in butt joint with the sliding seat, an upper leaning rod which rotates with the lower leaning rod and is movably adjusted along the length direction of the lower leaning rod, the cushion is arranged on the lower leaning rod or/and the upper leaning rod, when the upper leaning rod and the lower leaning rod are relatively rotated and folded, the cushion and the cushion are relatively close to each other and are relatively attached to each other, the sliding seat comprises a seat body arranged on the sliding rail, a control arm rod which is connected with the seat body and can be relatively locked with the fixed seat, a mounting seat arranged on the seat body, and a mounting seat arranged on the seat plate is arranged on the mounting seat, the control arm is stressed by external force, the control arm is kept to be separated from the lower leaning rod, the lower leaning rod is in a sliding seat, the sliding seat is driven by the external force, the sliding arm is in the sliding seat body and the sliding seat, the sliding seat is driven by the sliding seat, the seat is in the sliding seat, and the sliding seat is driven by the seat, and the sliding seat, and the seat is also comprises a sleeve rod and the outer sleeve is arranged in a horizontal direction. Preferably, the inner sleeve rod is fixed on the chassis of the doctor seat from the lower end part, the outer sleeve rod is arranged in a vertically relative motion along the length direction of the inner sleeve rod, and the upper end part is fixed on the fixed seat. In some embodiments, the seat pan is pivotally connected to the front end of the slide base by a pivot, and the seat pan conceals the flip mechanism between the seat pan and the slide base. Thus, the back end of the seat board is driven to swing up and down, and the angle of the seat board can be adjusted. According to a specific implementation and preferred aspect of the invention, the control arm extends forwards from the front end of the seat body and is located below the seat part, the control arm is rotatably arranged on the seat body from the rear end, tension springs which keep the control arm and the seat body relatively attached are arranged between the control arm and the seat body, a plurality of inserting grooves which are distributed along the front-rear direction are formed on the fixed seat, inserting connectors which are matched with the inserting grooves are formed on the control arm, the control arm is turned upwards around the rear end during adjustment, the tension springs are stressed, the inserting connectors of the control arm are separated from the inserting grooves, the seat part moves forwards and backwards, the control arm loses external force, the tension springs are reset, and the inserting connectors are inserted into the inserting grooves. Here, by controlling the motion and the reset of the arm lever, the front and back position adjustment of the seat can be positioned, which is very convenient. In some specific embodiments, the plurality of inserting grooves are arranged side by side and form two rows, the inserting heads are located at two opposite sides of the control arm rod, and the two tension springs are correspondingly distri