CN114028152B

CN114028152B - Dental patient chair and adjusting method thereof

Info

Publication number: CN114028152B
Application number: CN202111528893.3A
Authority: CN
Inventors: 陈华志; 陈大毅
Original assignee: Guangdong Haokangda Technology Co ltd
Current assignee: Guangdong Haokangda Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-11-29
Anticipated expiration: 2041-12-14
Also published as: CN114028152A

Abstract

The application discloses a dental patient chair and an adjusting method thereof, comprising a seat cushion, a chair back and a self-adaptive air bag structure connected with the seat cushion and the chair back, wherein the self-adaptive air bag structure is used for supporting the waist of a patient; the self-adaptive air bag structure comprises an air bag layer, a supporting layer for connecting the chair back and the seat cushion, a wrapping layer wrapping the air bag layer and the supporting layer, a detector and a control assembly; a plurality of accommodating cavities filled with air are arranged in the air bag layer, and the accommodating cavities are arranged side by side and connected with the control assembly; the detector is arranged on the wrapping layer and used for detecting the pressure applied to the air bag layer by the patient and transmitting a pressure signal to the control assembly, and the control assembly adjusts the air content in the accommodating cavity according to the pressure signal so that the surface of the self-adaptive air bag structure is tightly attached to the waist of the patient to form a wrapping type support. The application has the effects of bringing comfort to patients, relieving waist fatigue, eliminating the tension and insecurity of the patients and keeping the treated posture for a longer time.

Description

Dental patient chair and adjusting method thereof

Technical Field

The application relates to the field of dental treatment equipment, in particular to a dental patient chair and an adjusting method thereof.

Background

The dental comprehensive treatment table or the dental comprehensive treatment machine or the dental comprehensive treatment chair is used for medical equipment for dental treatment, and is suitable for doctors to check and treat various dental diseases of patients. The dental patient chair, which is a part of a dental unit or a dental unit chair, can also be used as a stand-alone device, which is a device for supporting and positioning a patient during examination or treatment.

Referring to fig. 1, the dental patient chair comprises a seat cushion 1 and a chair back 2, wherein the chair back 2 is rotatably connected to the seat cushion 1 through a rotating rod 12, if a doctor needs to perform an operation on the oral cavity of a patient, the patient usually sits on the seat cushion 1, and the angle between the chair back 2 and the seat cushion 1 is adjusted to enable the patient to lie on the dental patient chair, so that the doctor can conveniently perform treatment on the oral cavity of the patient; however, the chair back 2 and the seat cushion 1 are connected through the rotating rod 12, so that a gap exists between the chair back 2 and the seat cushion 1, and a patient is easy to feel uncomfortable due to lack of support on the waist of the patient when lying on the dental patient chair for an operation, and cannot be cooperatively treated for a long time.

In order to eliminate the uncomfortable feeling of the patient, usually, the protection pad is placed at the neutral position of the chair back and the seat cushion to protect the waist of the patient, and due to the difference of the heights, body types and the like of different patients, the adaptation degree of different patients to the protection pad is different, the protection pad cannot be automatically adjusted according to different patients, and the comfortable feelings of different patients cannot be effectively improved.

Disclosure of Invention

In order to bring comfort to the patient and eliminate the sense of insecurity of the patient, the present application provides a dental patient chair and a method of adjusting the same.

In a first aspect, the present application provides a dental patient chair comprising a seat cushion, a chair back pivotally connected to the seat cushion, and an adaptive air cell structure connected to the seat cushion and the chair back, the adaptive air cell structure being configured to support a waist of a patient;

the self-adaptive air bag structure comprises an air bag layer, a supporting layer used for connecting the chair back and the seat cushion, a wrapping layer wrapping the air bag layer and the supporting layer, a detector and a control assembly; a plurality of accommodating cavities filled with air are formed in the air bag layer, and the accommodating cavities are arranged side by side and are connected with the control assembly;

the detector is arranged on the wrapping layer and used for detecting the pressure applied on the air bag layer by the patient and transmitting a pressure signal to the control assembly, and the control assembly adjusts the air content in the accommodating cavity according to the pressure signal so as to enable the surface of the self-adaptive air bag structure to be tightly attached to the waist of the patient.

A certain gap exists between a seat cushion and a chair back of the existing dental patient chair, when a patient lies on the dental patient chair for a long time, the waist of the patient is easy to be uncomfortable because the waist of the patient can be suspended for a long time, and the patient can usually use the waist support seat cushion to be attached to the waist of the patient, so that the gap among the seat cushion, the chair back and the waist is filled; however, in actual conditions, the difference between the body size and the height of the patient is large, according to the state of an illness or a treatment part of the patient, a dentist needs to operate a patient chair during treatment, the angle between a seat cushion and a chair back is adjusted, so that the dentist can conveniently treat the oral cavity of the patient, the angle of the chair back of the patient is changed, a waist protection cushion is fixed and unchanged, the waist protection cushion cannot adjust the clinging and effective supporting condition between the waist protection cushion and the waist of the patient according to the angle change of the waist of the patient, and the patient cannot feel comfortable.

In order to bring comfort and safety to a patient, the self-adaptive air bag structure is provided with a detector and a control assembly, the detector can detect the pressure applied to an air bag layer by the patient and convert the pressure into a pressure signal to be transmitted to the control assembly, and the control assembly analyzes the pressure signal and adjusts the air content of an accommodating cavity in the air bag layer according to the pressure signal so that the waist of the patient is tightly attached to the self-adaptive air bag structure; when the angle between the chair back and the seat cushion changes, the self-adaptive air bag structure can also change along with the angle, and the air content in the accommodating cavity is adjusted according to the waist conditions of different patients, so that the self-adaptive air bag structure is always attached to the waist of the patient, the unsafe feeling of the patient is relieved, and the comfort of the patient is provided.

Preferably, the control assembly comprises a processor and a controller, wherein the processor is used for receiving the pressure signal transmitted by the detector, processing the pressure signal and transmitting the pressure signal to the controller; the controller receives the pressure signal of the processor and deflates and inflates the accommodating cavity according to the pressure signal.

By adopting the technical scheme, the processor receives the pressure signal of the patient on the air bag layer transmitted by the detector, and the signal obtained by processing the pressure signal by the processor is transmitted to the controller, so that the controller realizes deflation and inflation of the accommodating cavity; the change of the air content of the accommodating cavity can be realized through the transmission of signals, namely, the air content in the accommodating cavity can be changed according to the pressure values of different patients, so that the self-adaptive air bag structure can be better clung to the waist of the patient.

Preferably, one detector is correspondingly arranged above each accommodating cavity, the accommodating cavities are separated by partition layers, each accommodating cavity is independently arranged, the detectors respectively detect the pressure applied to the accommodating cavities by the patient and transmit pressure signals to the control assembly, so that the control assembly respectively adjusts the air content in each accommodating cavity.

By adopting the technical scheme, a detector is arranged above each accommodating cavity, each detector can detect a pressure value, so that the control assembly can respectively and independently adjust the air content in each accommodating cavity, and the air content of each accommodating cavity can be adjusted to enable each patient to feel comfortable; every holds the chamber simultaneously and all is equipped with the interlayer and separates, makes every hold the chamber independent setting, helps every air content who holds the intracavity of control assembly individual control, makes gasbag layer and patient's waist laminating inseparabler.

Preferably, a plurality of adjustment gears are preset in the processor, each gear includes a pressure parameter and an air content parameter corresponding to the pressure parameter, the processor is configured to select a proper gear from the gears according to the pressure value obtained by the detector, and the controller is configured to adjust the air content in the accommodating chamber to correspond to the air content parameter corresponding to the proper gear.

By adopting the technical scheme, when the waist of the patient is tightly attached to the self-adaptive air bag structure, the processor receives the pressure signal, adapts the pressure signal to a plurality of adjustment gears, selects two pressure parameters which are most similar to the pressure signal, and determines the air content parameter corresponding to the pressure parameter, thereby determining the proper gear; the processor selects a proper gear and then transmits the air to the controller, and the controller can adjust the air content in the accommodating cavity corresponding to the pressure signal to the air content parameter of the proper gear, so that the air content in the accommodating cavity is adapted to the back of the patient.

Preferably, each air bag layer is provided with an inflation tube and an air release tube, the inflation tube and the air release tube are communicated with the accommodating cavity, and the inflation tube is connected with an external air pump; the air release pipe is connected with the air release switch, and the controller is connected with the external air pump and the air release switch so as to adjust the air content in the accommodating cavity.

Through adopting above-mentioned technical scheme, be provided with gas tube and air release pipe respectively holding the intracavity, will aerify and set up with the gassing is independent, and then the effectual air content that holds the intracavity remains throughout at relatively stable state, and when the patient moved the health, the patient produced the change to the pressure value on gasbag layer, and the gas tube can in time be adjusted with air release pipe and hold the air content of intracavity to make that self-adaptation gasbag structure can be better hug closely with patient's back.

Preferably, an automatic adjusting mode and a manual adjusting mode are arranged in the processor, the automatic adjusting mode automatically adjusts the air content of the accommodating cavity according to the pressure value detected by the detector, and the manual adjusting mode manually adjusts the air content of the accommodating cavity by the patient himself;

the dental patient chair also comprises a remote controller, the remote controller is connected with the controller, and a mode selection button, an air bag selection button, an air content increasing button and an air content decreasing button are arranged on the remote controller; the mode selection button is used for selecting a mode, the air bag selection button is used for selecting an accommodating cavity requiring sufficient air, and the air content increasing button and the air content reducing button are used for increasing or reducing the air content of the selected accommodating cavity.

By adopting the technical scheme, the patient can adjust the air content in the accommodating cavity by using different modes according to the actual condition of the patient, and when the patient selects the automatic adjusting mode, the processor automatically adjusts the air content in the accommodating cavity according to the pressure value detected by the detector; when the patient selected the manual mode of regulation, then the patient need select the chamber that holds that needs fill the gassing through gasbag selection button, increases the button and air content reduces the button through air content and adjusts the air content increase and decrease that holds the intracavity, realizes the air content that the manual regulation held the intracavity to reach and hold the chamber and support comfortable effect to patient's waist.

Preferably, the seatpad is close to the mounting groove has been seted up to the one end of the back of the chair, the lateral wall fixed mounting on parcel layer has the mounting panel, the mounting panel passes through the installed part screw thread and installs the seatpad is located the position of mounting groove.

Through adopting above-mentioned technical scheme, self-adaptation gasbag structure is connected with the mounting panel, and the mounting panel screw thread is installed on the seatpad, and the patient can manually adjust the position that the self-adaptation gasbag was fixed at the seatpad to be convenient for adjust the posture that the patient lies on patient's chair, help improving the harm that bad posture brought patient's health.

In a second aspect, the present application provides a method of adjusting a dental patient chair, comprising the steps of:

s1, adjusting the angle of a seat cushion and a chair back;

s2, acquiring a pressure value applied to the air bag layer by the waist of the patient;

and S3, adjusting the gas content in the accommodating cavity according to the pressure value so that the surface of the self-adaptive air bag structure is tightly attached to the waist of the patient.

By adopting the technical scheme, the waist of the patient is tightly attached to the self-adaptive air bag structure by using the adjusting method, the air content in the accommodating cavity is adjusted by the self-adaptive air bag structure through the pressure value of the patient to the air bag layer, the self-adaptive air bag structure can adapt to different patients and form an inclusion support for the back of the patient, and the space between the chair back and the seat cushion is filled to bring comfort and safety to the patient.

Preferably, the method for adjusting the gas content in the accommodating chamber according to the pressure value in step S3 includes:

n preset pressure parameters A1, A2 and A3 \8230, 8230and An are preset in the processor, n air content parameters V1, V2 and V3 \8230, 8230and Vn are also arranged in the processor, wherein n is a positive integer and is more than or equal to 2, the pressure signal received by the processor is X, and the range of two adjacent preset pressure parameters corresponds to one air content parameter; that is to say that the first and second electrodes,

if the A1 is not more than and X is less than A2, the processor selects gear 1 as a proper gear and transmits a signal of the proper gear to the controller; the controller receives the signal of the processor and deflates and inflates the accommodating cavity to enable the air content in the accommodating cavity to be V1;

if X = An, the processor selects Vn as a proper gear and transmits a signal of the proper gear to the controller; the controller receives the signal of the processor and deflates and inflates the accommodating cavity, so that the air content in the accommodating cavity is Vn.

By adopting the technical scheme, the processor automatically matches in a plurality of preset pressure parameters according to the acquired pressure signal to obtain a preset pressure parameter range where the pressure signal is located, and can determine the corresponding air content parameter in the preset pressure parameter range so as to determine a proper gear; the treater is transmitted the air content parameter of suitable gear to the controller again in, makes the controller control hold the chamber and deflate and inflate, and then realizes that automatically regulated holds the air content of intracavity, makes the self-adaptation gasbag structure can make corresponding reaction to the pressure value of gasbag layer according to different patients to make the waist of hugging closely the patient that the self-adaptation gasbag structure can be better, the tension when eliminating the patient and treating, bring the patient comfort for.

In a third aspect, the present application provides a dental unit or dental unit chair adapted for use in a dental unit or dental unit, comprising a dental patient chair as described above.

By adopting the technical scheme, the dental patient chair is used on the dental comprehensive treatment table or the dental comprehensive treatment machine or the dental comprehensive treatment chair, the self-adaptive air bag structure on the patient chair effectively relieves the unsafe feeling of the patient and eliminates the tension feeling of the patient during treatment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the detector can detect the pressure applied to the air bag layer by the patient and convert the pressure into a pressure signal, and the pressure signal is transmitted to the control assembly to analyze the pressure signal and adjust the air content of the accommodating cavity in the air bag layer according to the pressure signal, so that the waist of the patient is tightly attached to the self-adaptive air bag structure;

2. each detector can detect a pressure value, so that the control component can respectively and independently regulate the air content in each accommodating cavity, and the air content of each accommodating cavity can be regulated to enable each patient to feel good comfort;

3. the patient can select the automatic adjustment mode or the manual adjustment mode according to the actual condition requirement of the patient, so that the adaptation degree of the patient and the self-adaptive air bag structure is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of a patient chair according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a sectional view of the overall structure of the adaptive airbag structure in the embodiment of the present application.

Fig. 5 is a schematic diagram of an adjustment method according to an embodiment of the present application.

Fig. 6 is a schematic view of the patient chair rotated by 100 ° in the embodiment of the present application.

Fig. 7 is a schematic structural view of the patient chair rotated by 150 ° in the embodiment of the present application.

Description of reference numerals:

1. a seat cushion; 11. mounting grooves; 12. rotating the rod; 2. a chair back; 3. a self-adaptive airbag structure; 31. an air bag layer; 311. an accommodating chamber; 3111. a first accommodating chamber; 3112. a second accommodating chamber; 3113. a third accommodating chamber; 312. an interlayer; 32. a support layer; 33. a wrapping layer; 331. mounting a plate; 332. a mounting member; 34. a detector; 35. a control component; 351. a processor; 352. a controller; 36. an inflation tube; 37. discharging the air pipe; 4. a remote controller; 41. an air content increasing button; 42. an air content reduction button; 43. a mode selection button; 44. an airbag selection button.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a dental patient chair.

Referring to fig. 1, dental patient's chair is equipped with dwang 12 including seatpad 1 and the back of the chair 2 between seatpad 1 and the back of the chair 2, and dwang 12 is the arc pole, and dwang 12 one end and back of the chair 2 fixed connection, the other end rotate with seatpad 1 bottom and be connected, make to have the space between the back of the chair 2 and the seatpad 1, when the patient sits at seatpad 1, adjust seatpad 1 and the angle of the back of the chair 2 to make things convenient for the dentist to treat the patient.

Referring to fig. 2 and 3, one end of the seat cushion 1 close to the seat back 2 is provided with a mounting groove 11, and the mounting groove 11 extends along a direction perpendicular to the length direction of the seat cushion 1; a self-adaptive air bag structure 3 is arranged in a gap between the seat cushion 1 and the chair back 2, the waist of the patient is abutted against the self-adaptive air bag structure 3, and the self-adaptive air bag structure 3 comprises a wrapping layer 33, a supporting layer 32 and an air bag layer 31; the wrapping layers 33 wrap the air bag layer 31 and the supporting layer 32, and one side of the wrapping layer 33 is fixed on the chair back 2; one side fixedly connected with mounting panel 331, mounting panel 331 is parallel with the extending direction of mounting groove 11, mounting panel 331 card is gone into in the mounting groove 11, the relative both ends of mounting panel 331 all are equipped with installed part 332, installed part 332 is the bolt, installed part 332 wears to locate mounting panel 331 screw thread and installs the position that is located mounting groove 11 at seatpad 1, the position of self-adaptation gasbag structure 3 between seatpad 1 and back of the chair 2 can be adjusted to rotatory installed part 332, thereby improve the comfort level of patient on patient's chair.

Referring to fig. 4, the supporting layer 32 is installed between the wrapping layer 33 and the air bag layer 31, the supporting layer 32 is located on one side of the wrapping layer 33 far away from the patient, the supporting layer 32 is a sponge layer, and the supporting layer 32 is connected with the chair back 2 and the seat cushion 1, so that the patient can fill the gap between the chair back 2 and the seat cushion 1 and support the waist when lying on the treatment chair, and the unsafe feeling of the patient caused by hanging the waist is eliminated.

Be provided with a plurality of chambeies 311 that hold in the gasbag layer 31, a plurality of chambeies 311 that hold set up side by side, gasbag layer 31 is provided with the three chamber 311 that holds in the embodiment of this application, every holds and all is provided with interlayer 312 between the chamber 311, make every chamber 311 independent setting that holds, it has the air to hold the intussuseption of chamber 311, when the patient lies on patient's chair, patient's waist and 3 looks butt of self-adaptation gasbag structure, the air that holds in the chamber 311 forms the filling support of following shape to patient's waist, filled the space between 2 patient's waists of the back of the chair, it is tired to eliminate patient's waist, and the comfort is improved.

Referring to fig. 4 and 5, the adaptive air bag structure 3 further includes a plurality of detectors 34 and a plurality of control assemblies 35, the detectors 34 are all installed in the wrapping layer 33, one detector 34 is correspondingly arranged above each accommodating cavity 311, when a patient lies on the patient chair, pressure applied to each accommodating cavity 311 in the adaptive air bag structure 3 by the patient is converted into a pressure signal through the detectors 34, the detectors 34 transmit the pressure signal to the control assemblies 35, and the control assemblies 35 can adjust air in the accommodating cavities 311 after processing the pressure signal, so that automatic deflation and inflation of the accommodating cavities 311 are realized.

The control components 35 are arranged in the airbag layer 31, each control component 35 corresponds to one accommodating cavity 311, the control component 35 comprises a processor 351 and a controller 352, the processor 351 can receive the pressure signal transmitted by the detector 34, process the pressure signal and transmit the pressure signal to the controller 352; be provided with a plurality of adjustment gears in the treater 351, each adjustment gear includes pressure parameter and air content parameter, and each pressure parameter all corresponds air content parameter, and when treater 351 received the pressure signal that detector 34 transmitted, suitable gear is selected from a plurality of gears to treater 351 can be according to pressure signal, and convey to controller 352, and corresponding accommodation cavity 311 is adjusted to the air content in the pressure signal that treater 351 sent is received to controller 352, and controller 352 deflates or inflates accommodation cavity 311 according to pressure signal.

The air bag layer 31 is provided with an inflation tube 36 and an air release tube 37 in each accommodating cavity 311, the inflation tube 36 and the air release tube 37 are positioned on one side of the air bag layer 31 close to the support layer 32, each inflation tube 36 and each air release tube 37 are respectively communicated with one corresponding accommodating cavity 311, the inflation tube 36 and each air release tube 37 are connected with a controller 352, and one ends of the inflation tubes 36 and the air release tubes 37 far away from the accommodating cavities are connected with an external air pump; when the controller 352 receives a pressure signal that the accommodating cavity 311 needs to be inflated, the external air pump inflates the accommodating cavity 311 through the inflation tube 36; when the controller 352 receives a pressure signal to deflate the accommodating cavities 311, the air in the accommodating cavities 311 is exhausted from the air-exhausting pipe 37, so that the air bag layer 31 can adjust the air content in each accommodating cavity 311 according to the waist of the patient.

Referring to fig. 4, an automatic adjustment mode and a manual adjustment mode are further provided in the processor 351, the patient can adjust the air content in the accommodating cavity 311 in different modes according to the actual situation of the patient, the adaptive air bag structure 3 is further provided with a remote controller 4, the remote controller 4 is provided with an air content increasing button 41, an air content decreasing button 42, a mode selection button 43 and an air bag selection button 44, and the patient can switch the automatic adjustment mode or the manual adjustment mode by pressing the mode selection button 43; when the patient selects the automatic adjustment mode, the patient picks up the remote controller 4 and presses the automatic adjustment mode, and the processor 351 automatically adjusts the air content in the accommodating chamber 311 according to the pressure value detected by the detector 34; when the patient selects the manual adjustment mode, the patient uses the remote controller 4 to press the manual adjustment mode, then presses the air bag selection button 44 to select the accommodating cavity 311 to be controlled, and then presses the air content increasing button 41 or the air content decreasing button 42 according to the actual situation to realize the inflation or deflation of the accommodating cavity 311, thereby providing a plurality of adjustment modes for the patient to select.

The embodiment of the application discloses a working method of a dental patient chair, which comprises the following steps:

s1: a patient sits on the seat cushion 1, and the angles of the seat cushion 1 and the chair back 2 are adjusted according to the treatment requirement;

s2: the patient lies on the patient chair, the waist of the patient applies pressure to the adaptive air bag structure 3, and meanwhile the detector 34 in the adaptive air bag structure 3 acquires the pressure applied to the air bag layer 31 by the waist of the patient;

s3: the detector 34 transmits the acquired pressure signal to the processor 351, and the processor 351 processes the pressure signal and transmits the signal to the controller 352;

s4: the controller 352 controls the operation of the inflation tube 36 and the deflation tube 37 to adjust the gas content in the receiving cavity 311 so that the surface of the adaptive air bag structure 3 can abut against the waist of the patient.

For example, the processor 351 is provided with 10 preset pressure parameters: 280N, 310N, 340N, 370N, 400N, 430N, 460N, 490N, 520N, 550N; also provided in the processor 351 are 10 air content parameters: 56L, 52L, 48L, 44L, 40L, 36L, 32L, 28L, 24L, 20L.

Be equipped with 3 in the gasbag layer 31 and hold chamber 311, be first holding chamber 3111, second holding chamber 3112 and third holding chamber 3113 respectively.

Referring to fig. 6, in the embodiment of the present application, if the angle between the seat back 2 and the seat cushion 1 is 100 °, wherein the detected pressure value corresponding to the first accommodating cavity 3111 is 280N, the processor 351 selects the gear 1 as a proper gear, and transmits a signal of the proper gear to the controller 352, and the controller 352 receives the signal and inflates the accommodating cavity 311, so that the air content in the accommodating cavity 311 is 56L;

if the detected pressure value corresponding to the second accommodating cavity 3112 is 350N, the processor 351 selects the gear 3 as a proper gear, and transmits a signal of the proper gear to the controller 352, and the controller 352 receives the signal and inflates the accommodating cavity 311, so that the air content in the accommodating cavity 311 is 48L;

if the detected pressure value corresponding to the third accommodating cavity 3113 is 290N, the processor 351 selects the gear 1 as the proper gear, and transmits a signal of the proper gear to the controller 352, and the controller 352 receives the signal and inflates the accommodating cavity 311, so that the air content in the accommodating cavity 311 is 56L.

Referring to fig. 7, in the embodiment of the present invention, if the angle between the seat back 2 and the seat cushion 1 is 150 °. If the detected pressure value corresponding to the first accommodating cavity 3111 is 390N, the processor 351 selects gear 4 as a proper gear, and transmits a signal of the proper gear to the controller 352, and the controller 352 receives the signal and inflates the accommodating cavity 311, so that the air content in the accommodating cavity 311 is 44L;

if the detected pressure value corresponding to the second accommodating cavity 3112 is 470N, the processor 351 selects the gear 7 as a proper gear, and transmits a signal of the proper gear to the controller 352, and the controller 352 receives the signal and inflates the accommodating cavity 311, so that the air content in the accommodating cavity 311 is 32L;

the detected pressure value corresponding to the third accommodating cavity 3113 is 410N, then the processor 351 selects the gear 5 as a proper gear, and transmits a signal of the proper gear to the controller 352, and the controller 352 receives the signal and inflates the accommodating cavity 311, so that the air content in the accommodating cavity 311 is 40L.

Self-adaptation gasbag structure 3 can be according to patient's the different angles of lying on patient's chair, use different preset pressure parameter and the air content parameter that corresponds with pressure parameter, thereby the regulation holds the air content in the chamber 311, make self-adaptation gasbag structure 3's outward appearance and patient's waist hug closely, eliminate the unsafe sense that the space between the back of the chair 2 and the seatpad 1 brought the patient, the patient can also hold the air content in the chamber 311 according to the manual regulation of demand of self simultaneously, bring the good comfort of patient.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A dental patient chair, characterized in that: the waist support comprises a seat cushion (1), a chair back (2) rotationally connected with the seat cushion (1), and a self-adaptive air bag structure (3) connected with the seat cushion (1) and the chair back (2), wherein the self-adaptive air bag structure (3) is used for supporting the waist of a patient;

the self-adaptive air bag structure (3) comprises an air bag layer (31), a supporting layer (32) for connecting the chair back (2) and the seat cushion (1), a wrapping layer (33) wrapping the air bag layer (31) and the supporting layer (32), a detector (34) and a control assembly (35); a plurality of accommodating cavities (311) filled with air are formed in the air bag layer (31), and the accommodating cavities (311) are arranged side by side along the length direction of the chair back (2) and are connected with the control assembly (35);

the detector (34) is arranged on the wrapping layer (33) and used for detecting the pressure exerted on the air bag layer (31) by the patient and transmitting a pressure signal to the control component (35), and the control component (35) adjusts the air content in the accommodating cavity (311) according to the pressure signal so as to enable the surface of the adaptive air bag structure (3) to be tightly attached to the waist of the patient;

the detector (34) is correspondingly arranged above each accommodating cavity (311), the accommodating cavities (311) are separated by partition layers (312), each accommodating cavity (311) is independently arranged, the detectors (34) respectively detect the pressure applied to the accommodating cavities (311) by a patient and transmit pressure signals to the control assembly (35), so that the control assembly (35) respectively adjusts the air content in each accommodating cavity (311); a mounting groove (11) is formed in one end, close to the chair back (2), of the seat cushion (1), a mounting plate (331) is fixedly mounted on the outer side wall of the wrapping layer (33), and the mounting plate (331) is mounted at the position, located in the mounting groove (11), of the seat cushion (1) through mounting pieces (332) in a threaded mode; the control assembly (35) includes a processor (351) and a controller (352), the processor (351) being configured to receive the pressure signal from the detector (34), process the pressure signal, and transmit the pressure signal to the controller (352); the controller (352) receives a pressure signal of the processor (351) and deflates and inflates each accommodating cavity (311) according to the pressure signal; each air bag layer (31) is provided with an inflation tube (36) and an air discharge tube (37), the inflation tube (36) and the air discharge tube (37) are communicated with the accommodating cavity (311), and the inflation tube (36) is connected with an external air pump; the air discharging pipe (37) is connected with an air discharging switch, and the controller (352) is connected with an external air pump and the air discharging switch so as to adjust the air content in the accommodating cavity (311).

2. A dental patient chair according to claim 1, wherein: a plurality of adjusting gears are preset in the processor (351), each gear comprises a pressure parameter and an air content parameter corresponding to the pressure parameter, the processor (351) is used for selecting a proper gear from the gears according to the pressure value obtained by the detector (34), and the controller (352) is used for adjusting the air content in the accommodating cavity (311) to correspond to the air content parameter corresponding to the proper gear.

3. A dental patient chair according to claim 2, wherein: an automatic adjustment mode and a manual adjustment mode are arranged in the processor (351), the automatic adjustment mode automatically adjusts the air content of the accommodating cavity (311) according to the pressure value detected by the detector, and the manual adjustment mode manually adjusts the air content of the accommodating cavity (311) by the patient;

the dental patient chair further comprises a remote controller (4), the remote controller (4) is connected with the controller (352), and a mode selection button (43), an air bag selection button (44), an air content increasing button (41) and an air content decreasing button (42) are arranged on the remote controller (4); the mode selection button (43) is used for selecting a mode, the air bag selection button (44) is used for selecting the accommodating cavity (311) needing to be filled with air, and the air content increasing button (41) and the air content decreasing button (42) are used for increasing or decreasing the air content of the selected accommodating cavity (311).

4. A dental patient chair adjustment method for a dental patient chair according to any of claims 1-3, comprising the steps of:

s1, adjusting the angle between a seat cushion (1) and a chair back (2);

s2, acquiring a pressure value applied to the air bag layer (31) by the waist of the patient;

s3, adjusting the gas content in the accommodating cavity (311) according to the pressure value so as to enable the surface of the self-adaptive air bag structure (3) to be attached to the waist of the patient.

5. Method for adjusting a dental patient chair according to claim 4, wherein the method for adjusting the gas content in the housing chamber (311) according to the pressure value in step S3 comprises:

n preset pressure parameters A1, A2 and A3 \8230, 8230and An are preset in the processor (351), n air content parameters V1, V2 and V3 \8230, 8230and Vn are also arranged in the processor (351), wherein n is a positive integer and is not less than 2, the pressure signal received by the processor (351) is X, and the range of two adjacent preset pressure parameters corresponds to one air content parameter; that is to say that the temperature of the molten steel,

if the A1 is not more than and X is less than A2, the processor (351) selects the gear 1 as a proper gear and transmits a signal of the proper gear to the controller (352); the controller (352) receives the signal of the processor (351) and deflates or inflates the accommodating cavity (311) to enable the air content in the accommodating cavity (311) to be V1;

if X = An, the processor (351) selects the gear n as a proper gear and transmits a signal of the proper gear to the controller (352); the controller (352) receives the signal of the processor (351) and deflates or inflates the accommodating cavity (311) to enable the air content in the accommodating cavity (311) to be Vn.

6. A dental unit or a dental unit chair, comprising a dental patient chair according to any of claims 1-3.