Dental chair anti-falling device
By designing a dental chair seat anti-falling device with a motor-driven rotating shaft and screw rod, the problem of the existing device not supporting the feet is solved, achieving effective support for the patient's feet and preventing them from falling, and can Adjust the device according to the needs of different groups of people.
Patent Information
- Application Number
- CN202420879962.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The existing dental chair seat anti-fall device does not support the feet, causing the patient to easily slide down when lying down.
A dental chair seat anti-falling device is designed, which includes a base, a support cover, a guide rod, a connecting seat, a chair seat plate, a backrest assembly, a fixing plate, a leg support plate, a foot pedal, a foot pedal adjustment component and an armrest. The motor drives the rotating shaft and screw to adjust the position of the leg rest and foot pedal to provide foot support and prevent slipping.
It effectively supports the patient's feet to prevent slipping, and can adjust the position of the foot pedal according to the needs of different groups of people to meet a variety of use needs.
Smart Images

Figure CN222367955U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of medical equipment, and in particular to a dental chair seat anti-fall device. Background Art
[0002] The dental chair is used for oral surgery and examination and treatment of oral diseases. The existing dental chair seat anti-drop device:
[0003] After searching, the patent document with publication number: CN211610596U discloses a dental chair seat anti-drop device, which relates to the field of medical auxiliary equipment, including a fixed base, an electric control box is arranged on the upper outer surface of the fixed base, a seat surface is arranged on the upper outer surface of the electric control box, and a leg drag surface is arranged on the outer surface of one end of the seat surface. Through the setting of the movable hand guard, the movable hand guard can prevent the dental patient from accidentally slipping on the dental chair when receiving treatment, thereby ensuring the safety of the patient when using it. Through the setting of the storage bag, the storage bag can facilitate the patient to place the patient's mobile phone keys and other personal items when receiving treatment, preventing the items in the patient's pocket from accidentally falling when receiving treatment on the dental chair, which is more convenient to use. Through the setting of the electric lift, the electric lift is convenient for medical staff to adjust the height of the dental chair to reach the most suitable position during treatment, and the effect of use is better than that of the traditional method.
[0004] However, the above patent does not have a support mechanism for the feet, which causes the patient to easily slide down when lying down. Therefore, we propose a dental chair seat anti-falling device to solve the above problem. Utility Model Content
[0005] In order to improve the problem that there is no support mechanism for the feet, which causes the patient to easily slide down when lying down, the present application provides a dental chair seat anti-fall device.
[0006] The present application provides a dental chair seat anti-fall device that adopts the following technical solution:
[0007] A dental chair seat anti-drop device, comprising: a base;
[0008] A support sleeve is fixedly arranged on the top of the base, and four support sleeves are provided, and guide rods for lifting and lowering are slidably installed in the four support sleeves;
[0009] A connecting seat is fixedly arranged on the top of the four guide rods, and a seat plate is fixedly connected to the top of the connecting seat;
[0010] A backrest assembly is provided on the seat plate;
[0011] A fixed plate, fixedly mounted on the seat plate, two fixed plates are provided, and a same first rotating shaft is rotatably mounted on the two fixed plates;
[0012] A leg support plate, fixedly arranged on the first rotating shaft, for supporting the patient's legs;
[0013] A foot pedal is slidably arranged on the leg support plate and is used for the patient to step on it;
[0014] A foot pedal adjustment component is provided on the leg support plate and is used to adjust the position of the foot pedal;
[0015] An armrest is fixed on the seat plate, and two armrests are provided to prevent the patient from falling from the side.
[0016] Furthermore, the foot pedal adjustment assembly includes a first motor, a screw is fixedly mounted on the output shaft of the first motor, the screw is threadedly connected to the foot pedal, a rectangular groove is opened on the top of the leg support plate, and the foot pedal is slidably mounted in the rectangular groove.
[0017] Furthermore, a second motor is fixedly mounted on the outer side of the fixed plate, and an output shaft of the second motor is fixedly connected to one end of the first rotating shaft.
[0018] Furthermore, the backrest assembly includes a second rotating shaft, a backrest plate and a third motor for driving the second rotating shaft. A rotating groove is opened on the seat plate, the second rotating shaft is rotatably installed in the rotating groove, the backrest plate is fixed on the second rotating shaft, the third motor is fixed on the outer side of the seat plate, and the output shaft of the third motor is fixedly connected to one end of the second rotating shaft for driving the second rotating shaft to rotate.
[0019] Furthermore, a cylinder is fixedly installed on the top of the base, and an output shaft of the cylinder is fixedly connected to the connecting seat for driving the connecting seat to rise and fall.
[0020] Furthermore, a headrest is fixedly connected to the top of the backrest, and the headrest is used to support the patient's head.
[0021] In summary, the present application includes at least one of the following beneficial technical effects:
[0022] The first rotating shaft is driven to rotate by the second motor, and the first rotating shaft drives the leg support plate to rotate to adjust the angle of the leg support plate. The second rotating shaft is driven to rotate by the third motor, and the second rotating shaft drives the backrest plate to rotate to adjust the angle of the backrest plate. The patient sits on the chair seat board, leans against the backrest plate, and the leg support plate supports the legs, and then steps on the foot pedal to prevent slipping. The screw rod is driven to rotate by the first motor to move the foot pedal threadedly connected to the screw rod, and the position of the foot pedal is adjusted to adapt to different groups of people. The connecting seat can be raised and lowered by the cylinder, and then the height of the chair seat board can be adjusted to meet different usage requirements;
[0023] The utility model can support the feet to prevent slipping, and can be adjusted to meet the use needs of different groups of people. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the overall structure of this application;
[0025] Figure 2 It is a partial top view of the structure of the present application;
[0026] Figure 3 It is a structural diagram of embodiment 2 of the present application.
[0027] Figure numerals: 1. base; 2. support sleeve; 3. guide rod; 4. connecting seat; 5. seat plate; 6. rotating seat; 7. fixed plate; 8. first rotating axis; 9. leg support plate; 10. rectangular groove; 11. foot pedal; 12. first motor; 13. screw; 14. second motor; 15. armrest; 16. second rotating axis; 17. back plate; 18. cylinder. DETAILED DESCRIPTION
[0028] The following is combined with Figure 1-3 This application is described in further detail. Example
[0029] A dental chair seat anti-drop device, comprising: a base 1;
[0030] A support sleeve 2 is fixedly arranged on the top of the base 1. Four support sleeves 2 are provided. A guide rod 3 for lifting and guiding is slidably installed in each of the four support sleeves 2.
[0031] A connecting seat 4 is fixedly arranged on the top of the four guide rods 3, and a seat plate 5 is fixedly connected to the top of the connecting seat 4;
[0032] A backrest assembly, arranged on the seat plate 5;
[0033] A fixed plate 7 is fixedly mounted on the seat plate 5. Two fixed plates 7 are provided. A same first rotating shaft 8 is rotatably mounted on the two fixed plates 7.
[0034] A leg support plate 9 is fixedly mounted on the first rotating shaft 8 and is used to support the patient's legs;
[0035] A foot pedal 11 is slidably arranged on the leg support plate 9 for the patient to step on;
[0036] A foot pedal adjustment assembly is provided on the leg support plate 9 and is used to adjust the position of the foot pedal 11;
[0037] The armrest 15 is fixedly arranged on the seat plate 5. Two armrests 15 are provided. The patient holds the two armrests 15 with both hands to prevent the patient from falling from the side.
[0038] Reference Figure 1 , 2 The foot pedal adjustment assembly includes a first motor 12, a screw 13 is fixedly mounted on the output shaft of the first motor 12, the screw 13 is threadedly connected to the foot pedal 11, a rectangular groove 10 is opened on the top of the leg support plate 9, and the foot pedal 11 is slidably installed in the rectangular groove 10.
[0039] Reference Figure 2 A second motor 14 is fixedly mounted on the outer side of the fixed plate 7 , and an output shaft of the second motor 14 is fixedly connected to one end of the first rotating shaft 8 .
[0040] Reference Figure 1 The backrest assembly includes a second rotating shaft 16, a backrest plate 17 and a third motor for driving the second rotating shaft 16. A rotating groove is opened on the seat plate 5, and the second rotating shaft 16 is rotatably installed in the rotating groove. The backrest plate 17 is fixed to the second rotating shaft 16, and the third motor is fixed to the outer side of the seat plate 5. The output shaft of the third motor is fixedly connected to one end of the second rotating shaft 16 for driving the second rotating shaft 16 to rotate.
[0041] Reference Figure 1 A cylinder 18 is fixedly installed on the top of the base 1, and the output shaft of the cylinder 18 is fixedly connected to the connecting seat 4 for driving the connecting seat 4 to rise and fall.
[0042] Reference Figure 1 A headrest is fixedly connected to the top of the backrest 17, and the headrest is used to support the patient's head.
[0043] The implementation principle of the dental chair seat anti-fall device in the embodiment of the present application is as follows: the first rotating shaft 8 is driven to rotate by the second motor 14, and the first rotating shaft 8 drives the leg support plate 9 to rotate, and the angle of the leg support plate 9 is adjusted; the second rotating shaft 16 is driven to rotate by the third motor, and the second rotating shaft 16 drives the back plate 17 to rotate, and the angle of the back plate 17 is adjusted; the patient sits on the chair seat plate 5, leans against the back plate 17, and the leg support plate 9 supports the legs, and then steps on the foot pedal 11 to prevent slipping; the screw rod 13 is driven to rotate by the first motor 12, so that the foot pedal 11 threadedly connected to the screw rod 13 moves, and the position of the foot pedal 11 is adjusted to adapt to different groups of people; the connecting seat 4 can be raised and lowered by the cylinder 18, and then the height of the chair seat plate 5 can be adjusted to meet different usage requirements. Example
[0044] Reference Figure 3The difference from the first embodiment is that the "top of the connecting seat 4 is fixedly connected to the seat plate 5" in the first embodiment is changed to "the top of the connecting seat 4 is rotatably mounted with a rotating seat 6, and the top of the rotating seat 6 is fixedly connected to the bottom of the seat plate 5". Through this change, the seat plate 5 can be easily rotated.
[0045] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A dental chair seat anti-drop device, characterized in that: include: Base (1); A support sleeve (2) is fixedly mounted on the top of the base (1), four support sleeves (2) are provided, and guide rods (3) for lifting and lowering guidance are slidably mounted in the four support sleeves (2); A connecting seat (4) is fixedly arranged on the top of the four guide rods (3), and a chair seat plate (5) is fixedly connected to the top of the connecting seat (4); A backrest assembly, arranged on the seat plate (5); A fixed plate (7) is fixedly mounted on the seat plate (5), two fixed plates (7) are provided, and a same first rotating shaft (8) is rotatably mounted on the two fixed plates (7); A leg support plate (9) fixedly disposed on the first rotating shaft (8) and used for supporting the patient's legs; A foot pedal (11) is slidably disposed on the leg support plate (9) and is used for the patient to step on it; A foot pedal adjustment assembly, disposed on the leg support plate (9), and used for adjusting the position of the foot pedal (11); An armrest (15) is fixedly arranged on the seat plate (5), and two armrests (15) are provided to prevent the patient from falling from the side.
2. The dental chair seat anti-drop device according to claim 1, characterized in that: The foot pedal adjustment assembly comprises a first motor (12), a screw rod (13) is fixedly mounted on the output shaft of the first motor (12), the screw rod (13) is threadedly connected to the foot pedal (11), a rectangular groove (10) is formed on the top of the leg support plate (9), and the foot pedal (11) is slidably mounted in the rectangular groove (10).
3. The dental chair seat anti-drop device according to claim 2, characterized in that: A second motor (14) is fixedly mounted on the outer side of the fixed plate (7), and an output shaft of the second motor (14) is fixedly connected to one end of the first rotating shaft (8).
4. The dental chair seat anti-drop device according to claim 3, characterized in that: The backrest assembly comprises a second rotating shaft (16), a backrest plate (17) and a third motor for driving the second rotating shaft (16); a rotating groove is provided on the seat plate (5); the second rotating shaft (16) is rotatably mounted in the rotating groove; the backrest plate (17) is fixedly mounted on the second rotating shaft (16); the third motor is fixedly mounted on the outer side of the seat plate (5); and an output shaft of the third motor is fixedly connected to one end of the second rotating shaft (16) for driving the second rotating shaft (16) to rotate.
5. The dental chair seat anti-drop device according to claim 4, characterized in that: A cylinder (18) is fixedly mounted on the top of the base (1), and an output shaft of the cylinder (18) is fixedly connected to the connecting seat (4) for driving the connecting seat (4) to move up and down.
6. The dental chair seat anti-drop device according to claim 5, characterized in that: A headrest is fixedly connected to the top of the backrest (17), and the headrest is used to support the patient's head.
Citation Information
Patent Citations
Anti-falling device for dental chair seat
CN211610596U