Chair special for oral cavity and dental department

Abstract

The special chair comprises a base, a cushion, a backrest, a headrest, a driving assembly and a buffering assembly, the cushion is movably installed on the top of the base, the backrest is movably installed on the side, located on the cushion, of the top of the base, and the headrest is fixedly connected to the side, away from the cushion, of the outer wall of the backrest. An adjusting assembly used for adjusting the angle of the backrest is installed between the base and the backrest, and a buffering assembly used for buffering is installed between the base and the cushion. The adjusting assembly comprises a movable shaft, first lug plates, second lug plates, a lead screw, a movable block, a screw hole, a movable shaft rod, a mounting hole and a connecting rod, the movable shaft is fixedly connected to the side, close to the cushion, of the bottom of the backrest, and the two first lug plates used for mounting the movable shaft are fixedly connected to the top of the base. According to the utility model, the angle of the backrest can be adjusted and personalized support can be provided according to the body types and requirements of different patients, so that the patient can keep a comfortable body position in the treatment process, and the treatment adaptability of the patient is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of special chairs for oral dentistry, and in particular relates to a special chair for oral dentistry. Background Art

[0002] With the development of society, people are paying more and more attention to oral health. The field of oral care has also made significant progress, with the emergence of various advanced technologies and equipment, providing patients with a better and more comfortable treatment experience. During the oral treatment process, the patient's chair plays a vital role.

[0003] Oral treatment usually requires the patient to maintain a certain position in the chair so that the doctor can operate smoothly.

[0004] However, traditional dental chairs are not convenient for adjusting the backrest angle, which will bring a series of problems. First, it cannot provide personalized support for patients with different body shapes and treatment needs, causing patients to feel uncomfortable during treatment and even affecting their cooperation with the treatment. Secondly, for some treatment operations that require special postures, such as treatment at the back of the mouth, the fixed-angle backrest cannot meet the doctor's operating requirements, which may increase the difficulty and risk of treatment. Furthermore, maintaining an uncomfortable posture for a long time may cause muscle fatigue and tension in the patient, increase discomfort after treatment, and may even cause other physical problems. In addition, for some patients with special physical conditions, such as the elderly, pregnant women, or patients with spinal diseases, the non-adjustable backrest angle may cause them great inconvenience and pain. Utility Model Content

[0005] In response to the above-mentioned shortcomings, the present invention provides a special oral dental chair that can adjust the backrest angle according to the body shape and needs of different patients, provide personalized support, enable patients to maintain a comfortable position during treatment, reduce discomfort, and thus improve patients' treatment cooperation.

[0006] The utility model is realized through the following technical solutions:

[0007] The seat cushion is movably mounted on the top of the seat cushion, and the backrest is movably mounted on the top of the seat cushion. The headrest is fixedly connected to the outer wall of the backrest away from the seat cushion on the side. An adjustment assembly is installed between the base and the backrest, and the adjustment assembly can adjust the deflection angle of the backrest relative to the seat cushion. A buffer assembly is installed between the base and the seat cushion, and the buffer assembly includes a limit rod and a buffer spring sleeved on the limit rod, the limit rod is fixed to the bottom of the seat cushion, and a limit hole matching the limit rod is opened on the base, the limit rod is inserted into the limit hole and can slide along the extension direction of the limit hole, and the buffer spring is located between the bottom of the seat cushion and the top of the base.

[0008] Furthermore, the adjustment assembly includes a movable shaft, a first ear plate, a second ear plate, a screw, a movable block, a screw hole, a movable shaft, a mounting hole and a connecting rod. The movable shaft is fixedly connected to the side of the bottom of the backrest close to the seat cushion, and the top of the base is fixedly connected to two first ear plates for installing the movable shaft. The top of the base is fixedly connected to two second ear plates distributed in a straight shape, and screws are installed on the two second ear plates. The movable block is installed on the screw. Screw holes corresponding to the screws are opened inside the movable block. The outer walls of the movable block are fixedly connected to the movable shafts at both ends, and mounting holes are opened at both outer walls of the backrest. A connecting rod is installed between the movable shafts and the mounting holes on each side.

[0009] Furthermore, one end of the screw rod is fixedly connected to a turning handle, which is located on the outer wall of the base.

[0010] Furthermore, the buffer components are provided in a plurality of groups, and the buffer components are evenly distributed in a matrix along the top surface of the base.

[0011] Furthermore, a stopper is fixedly connected to the bottom of the limiting rod, and the stopper is located at the bottom of the limiting hole.

[0012] Furthermore, two storage drawers are movably installed inside the base, and buckle grooves are provided on the outer walls of the storage drawers.

[0013] Furthermore, leather sponge pads are fixedly installed on the top of the seat cushion, backrest and headrest.

[0014] Furthermore, armrests are fixedly connected to both sides of the top of the base.

[0015] Furthermore, a universal wheel set is fixedly installed on the bottom of the base.

[0016] Beneficial effects of the utility model:

[0017] Compared with the prior art, by setting a first ear plate, a screw rod, a movable block, a screw hole, a movable shaft rod, a connecting rod and a turning handle, when the backrest angle needs to be adjusted, the screw rod can be driven to rotate by rotating the turning handle. When the rotating screw rod rotates, the movable block is driven to move parallely by the cooperation of the screw hole, and the movable shaft rod is driven to move parallely together. At this time, because one end of the backrest is movably mounted on the first ear plate, and the two sides of the backrest are movably connected to the movable shaft rod through the connecting rod, when the movable shaft rod moves, the backrest can be adjusted to the first ear plate as the center point. It can be realized that the backrest angle can be adjusted according to the body shape and needs of different patients, providing personalized support, so that the patient can maintain a comfortable position during treatment, reduce discomfort, and thus improve the patient's cooperation with treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram from a first perspective for illustrating an exemplary embodiment of a dental chair according to the present invention;

[0019] Figure 2 A schematic structural diagram from a second perspective for illustrating an exemplary embodiment of a dental chair according to the present invention;

[0020] Figure 3 A schematic diagram illustrating the structure of a dental chair according to the present invention when adjusting the backrest angle in a schematic embodiment;

[0021] Figure 4 A schematic cross-sectional view illustrating an exemplary embodiment of a dental chair according to the present invention;

[0022] Figure 5 To illustrate Figure 4 A schematic diagram of the partially enlarged structure at point A in the middle;

[0023] Figure 6 To illustrate Figure 4 Schematic diagram of the structure with a partial enlargement at point B.

[0024] List of parts and reference numerals:

[0025] 1. Base; 2. Seat cushion; 3. Backrest; 4. Headrest; 5. Armrest; 6. Adjustment assembly; 61. Movable shaft; 62. First ear plate; 63. Second ear plate; 64. Screw; 65. Moving block; 66. Screw hole; 67. Movable shaft; 68. Mounting hole; 69. Connecting rod; 610. Turn handle; 7. Buffer assembly; 71. Limit rod; 72. Limit hole; 73. Buffer spring; 74. Stop block; 8. Storage drawer; 81. Buckle slot; 9. Universal wheel assembly; 10. Leather sponge pad. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] It should be noted that the directional terms such as left, right, up, down, front and back in the embodiments of the present invention are merely relative concepts or are based on the normal use state of the product, that is, the direction of movement of the product, and should not be considered as limiting.

[0028] In addition, it should be noted that the dynamic terms such as "relative motion" mentioned in the embodiments of the present invention not only refer to changes in position, but also include movements such as rotation and rolling in which there is no relative change in position but the state is changed.

[0029] Finally, it should be noted that when a component is referred to as being "located on" or "disposed on" another component, it can be on the other component or there may be an intervening component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0030] like Figures 1 to 6 The oral dental chair shown in the figure includes a base 1, a seat cushion 2, a backrest 3, a headrest 4, a drive assembly 6 and a buffer assembly 7. The seat cushion 2 is movably installed on the top of the base 1, and the backrest 3 is movably installed on the top of the base 1 on one side of the seat cushion 2. The outer wall of the backrest 3 is fixedly connected to the headrest 2 on the side away from the seat cushion 2. An adjustment assembly 6 is installed between the base 1 and the backrest 3. The adjustment assembly 6 can adjust the deflection angle of the backrest 3 relative to the seat cushion 2. A buffer assembly 7 is installed between the base 1 and the seat cushion 2. The buffer assembly 7 includes a limiting rod 71 and a buffer spring 73 sleeved on the limiting rod 71. The limiting rod 71 is fixed to the bottom of the seat cushion 2. A limiting hole 72 cooperating with the limiting rod 71 is opened on the base 1. The limiting rod 71 is inserted into the limiting hole 72 and can slide along the extension direction of the limiting hole 72. The buffer spring 73 is located between the bottom of the seat cushion 2 and the top of the base 1.

[0031] In one embodiment, when in use, the patient can lie flat on top of the seat cushion 2 and the backrest 3. If the treatment requires adjusting the backrest angle, the angle of the backrest 3 can be adjusted through the adjustment component 6, while the patient's back is lifted up, so that medical staff can perform treatment. At the same time, when the patient adjusts his sitting position, the adjustment component 6 can reduce sudden impacts and vibrations, making the patient feel more stable and comfortable, which helps to relieve their tension during the treatment process.

[0032] Preferably, the adjustment assembly 6 includes a movable shaft 61, a first ear plate 62, a second ear plate 63, a screw rod 64, a moving block 65, a screw hole 66, a movable shaft rod 67, a mounting hole 68 and a connecting rod 69. The bottom of the backrest 3 is fixedly connected to the side of the seat cushion 2. The top of the base 1 is fixedly connected to two first ear plates 62 for mounting the movable shaft 61. The top of the base 1 is fixedly connected to two second ear plates 63 distributed in a straight shape. The two second ear plates 63 are mounted with screw rods 64, and the moving block 65 is mounted on the screw rod 64. The interior of the moving block 65 is provided with screw holes 66 corresponding to the screw rods 64. The outer walls of the moving block 65 are both fixedly connected with movable shaft rods 67. The outer walls of the backrest 3 are both provided with mounting holes 68. A connecting rod 69 is installed between the movable shaft rods 67 and the mounting holes 68 on each side.

[0033] In one embodiment, when in use, the screw rod 64 is rotated to drive the movable block 65 to move parallel to each other through the cooperation of the screw hole 66, and at the same time drives the movable shaft 67 to move parallel to each other. At this time, because one end of the backrest 3 is movably mounted on the first ear plate 62, and the two sides of the backrest 3 are movably connected to the movable shaft 67 through the connecting rod 69, when the movable shaft 67 moves, the angle of the backrest 3 can be adjusted with the first ear plate 62 as the center point.

[0034] Preferably, one end of the screw rod 64 is fixedly connected to a turning handle 610 , and the turning handle 610 is located on the outer wall of the base 1 .

[0035] In one embodiment, when in use, the screw rod 64 can be rotated by rotating the handle 610 to adjust the angle of the backrest 3 .

[0036] Preferably, the buffer components 7 are provided in a plurality of groups, and the buffer components 7 are evenly distributed in a matrix along the top surface of the base 1 .

[0037] In one embodiment, when in use, if the patient rocks on the top of the seat cushion 2, the buffer spring 73 can play a buffering role; at the same time, the cooperation between the limiting rod 71 and the limiting hole 72 can prevent the position of the seat cushion 2 from being offset.

[0038] Preferably, a stopper 74 is fixedly connected to the bottom of the limiting rod 71 , and the stopper 74 is located at the bottom of the limiting hole 72 .

[0039] In one embodiment, during use, the stopper 74 can prevent the limiting rod 71 from being separated from the limiting hole 72 .

[0040] Preferably, two storage drawers 8 are movably installed inside the base 1 , and buckle grooves 81 are provided on the outer walls of the storage drawers 8 .

[0041] In one embodiment, when in use, the therapeutic device can be stored inside the storage drawer 8. When it needs to be taken out, the storage drawer 8 can be pulled out through the buckle slot 81.

[0042] Preferably, leather sponge pads 10 are fixedly installed on the tops of the seat cushion 2, the backrest 3 and the headrest 4.

[0043] In one embodiment, when in use, the leather sponge pad 10 can provide a certain degree of support and cushioning to the patient's body during treatment, thereby reducing the discomfort of lying on the chair for a long time.

[0044] Preferably, armrests 5 are fixedly connected to both sides of the top of the base 1.

[0045] In one embodiment, when in use, the patient can place both hands on the top of the armrest 5 to help the patient maintain body balance and stability during treatment and reduce shaking and uneasiness.

[0046] Preferably, a universal wheel set 9 is fixedly mounted on the bottom of the base 1 .

[0047] In one embodiment, when in use, the position of the device can be moved by the universal wheel set 9 .

[0048] When using the above-mentioned oral dental chair, first, the equipment is moved to a suitable position by the universal wheel set 9, and then the patient can lie flat on the top of the seat cushion 2 and the backrest 3. If the treatment requires adjusting the backrest angle, the screw rod 64 can be driven to rotate by rotating the handle 610. When the screw rod 64 rotates, the moving block 65 is driven to move parallel to the screw hole 66, and the movable shaft 67 is driven to move parallel to the screw hole 66. At this time, because one end of the backrest 3 is movably mounted on the first ear plate 62, and the two sides of the backrest 3 are movably connected to the movable shaft 67 through the connecting rod 69, when the movable shaft 67 moves, the backrest 3 can be adjusted in angle with the first ear plate 62 as the center point.

[0049] At the same time, during the treatment process, the patient can place both hands on the top of the armrest 5 to help the patient maintain body balance and stability during the treatment process, reduce shaking and uneasiness. In addition, if the patient shakes on the top of the cushion 2, the buffer spring 73 can play a buffering role.

[0050] The foregoing is merely an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should all be included within the scope of the claims of the present application.

Claims

1. A dental chair, characterized in that: The seat cushion comprises a bottom portion and a bottom portion, and the bottom portion is provided with a limit hole, the limit hole being provided on the bottom portion, the limit hole being inserted into the limit hole and being able to slide along the extension direction of the limit hole, and the buffer spring being located between the bottom portion of the seat cushion and the top portion of the base; The adjusting assembly includes a movable shaft, a first ear plate, a second ear plate, a screw rod, a movable block, a screw hole, a movable shaft rod, a mounting hole and a connecting rod. The bottom of the backrest is fixedly connected to a movable shaft on the side close to the seat cushion. The top of the base is fixedly connected to two first ear plates for mounting the movable shaft. The top of the base is fixedly connected to two second ear plates distributed in a straight shape. Screw rods are installed on the two second ear plates. The movable block is installed on the screw rod. Screw holes corresponding to the screw rods are opened inside the movable block. The outer walls of the movable block are fixedly connected to the movable shaft rods. The outer walls of the backrest are opened to the two mounting holes. A connecting rod is installed between the movable shaft rods and the mounting holes on each side.

2. The oral dental chair according to claim 1, characterized in that: One end of the screw rod is fixedly connected to a turning handle, and the turning handle is located on the outer wall of the base.

3. The oral dental chair according to claim 1, characterized in that: The buffer components are provided in a plurality of groups, and the buffer components are evenly distributed in a matrix along the top surface of the base.

4. The oral dental chair according to claim 3, characterized in that: The bottom of the limiting rod is fixedly connected with a stopper, and the stopper is located at the bottom of the limiting hole.

5. The oral dental chair according to claim 1, characterized in that: Two storage drawers are movably installed inside the base, and buckle grooves are provided on the outer walls of the storage drawers.

6. The oral dental chair according to claim 1, characterized in that: Leather sponge pads are fixedly installed on the tops of the seat cushion, backrest and headrest.

7. The oral dental chair according to claim 1, characterized in that: Both sides of the top of the base are fixedly connected with armrests.

8. The oral dental chair according to claim 1, characterized in that: A universal wheel set is fixedly installed on the bottom of the base.

Images