Dental chair for positioning head of patient
By designing fixing components and snap-on assemblies on the dental chair, the stable fixing position and headrest adjustment limit of the headrest for patients with different heights is solved, and the existing dental chairs cannot adjust the headrest is improved, improving the patient's comfort and treatment efficiency.
Patent Information
- Application Number
- CN202420829687.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-04-22
AI Technical Summary
The existing dental chairs cannot adjust the headrest when facing patients of different heights, resulting in inconvenience in the treatment and reducing comfort.
A dental chair is designed, including a body and an extension plate, with a moving groove and a headrest on the extension plate surface, and a fixing assembly and a snap assembly are provided on the headrest. The fixing assembly enables the head to be fixed by a screw and a stabilizing plate, and the snapping assembly enables the adjustment and limit of the headrest through a sleeve, a slide and a press rod.
The design allows for stable and fixed positioning of different sizes of head circumference, reducing head swing, meeting the needs of patients of different heights, while ensuring stability and comfort of the headrest.
Smart Images

Figure CN222889153U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical machinery, in particular to a dental chair for positioning a patient's head. Background Art
[0002] With the development of science and technology, medical robots are increasingly used in surgical treatments. In recent years, intelligent robots have also begun to be used in oral implant treatments. Therefore, dental chairs that work with intelligent robots are of utmost importance.
[0003] Publication No. CN213666527U discloses a dental chair for oral intelligent implantation. By adjusting the angles between the head positioning devices, the head of different patients can be positioned, effectively preventing the patient's head from shaking significantly and affecting the smooth progress of the treatment process, ensuring the safety of the patient during the treatment process. The patent has a simple structure and is convenient and quick to adjust, ensuring a smoother diagnosis and treatment process, thereby improving the diagnosis and treatment efficiency. However, the patent still has the following problems in actual use:
[0004] By adjusting the angles between the head positioning devices, the heads of different patients can be positioned, effectively preventing the patients' heads from shaking drastically and affecting the smooth progress of the treatment process, thereby ensuring the safety of the patients during treatment. However, when facing patients of different heights, the headrest cannot be adjusted, which makes it inconvenient for patients to sit on the dental chair for treatment, and also reduces the comfort of the patients during treatment.
[0005] A dental chair for positioning a patient's head is proposed to solve the above-mentioned problems. Utility Model Content
[0006] The purpose of the utility model is to provide a dental chair for positioning the patient's head, so as to solve the problem proposed in the above background technology that the positioning of different patients' heads is currently achieved by adjusting the angles between the head positioning devices, effectively preventing the patient's head from shaking significantly and affecting the smooth progress of the treatment process, and ensuring the safety of the patient during the treatment process. However, when facing patients of different heights, the headrest cannot be adjusted, which makes it inconvenient for the patient to sit on the dental chair for treatment, and also reduces the patient's comfort during treatment.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dental chair for positioning a patient's head, comprising a body and an extension plate, wherein the top surface of the body is fixedly connected to the extension plate;
[0008] A movable groove is provided on the surface of the extension plate, a headrest is slidably connected to the surface of the extension plate, a fixing assembly is symmetrically arranged on the surface of the headrest, the fixing assembly comprises a stabilizing plate fixedly connected to the headrest, a screw is connected to the inner thread of the stabilizing plate, a connecting block is fixedly connected to the middle of the top surface of the headrest, and a card slot is provided inside the movable groove;
[0009] Also includes:
[0010] A buckle assembly is provided inside the connection block;
[0011] The buckle assembly includes a sleeve connected to the connecting block, a slide groove is provided inside the sleeve, and a pressure rod is slidably connected inside the slide groove;
[0012] Wherein, a blocking plate is fixedly connected to the bottom surface of the pressure rod, a clamping rod is fixedly connected to the middle of the bottom surface of the blocking plate, and a second spring is sleeved on the surface of the clamping rod.
[0013] Preferably, the bottom surface of the second spring is fixedly connected to a rotating plate, the top surface of the second spring is fixedly connected to the blocking plate, and sliding grooves are symmetrically provided on both sides of the sleeve near the bottom, and the sliding grooves are slidably connected to the rotating plate.
[0014] Preferably, a limiting groove is provided on the surface of the sleeve near the top, the limiting groove is internally slidably connected to a limiting block, the bottom surface of the limiting block is fixedly connected to the pressure rod, and the clamping rod is through-connected to the rotating plate.
[0015] Preferably, one side surface of the screw is rotatably connected to a bearing seat, and the side surface of the bearing seat away from the screw is fixedly connected to a connecting plate.
[0016] Preferably, a plurality of grooves are formed on a surface of one side of the connecting plate away from the bearing seat, a telescopic rod is fixedly installed inside the groove, a first spring is sleeved on a surface of the telescopic rod away from the groove, a foam pad is fixedly connected to one surface of the first spring, the other surface of the first spring is fixedly connected to the groove, and a surface of the telescopic rod away from the first spring is fixedly connected to the foam pad.
[0017] Preferably, the clamping rod is clamped and connected with the clamping slot.
[0018] Preferably, the sleeve is slidably connected to the movable groove.
[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: the dental chair for positioning the patient's head can fix the head circumferences of different sizes by setting a fixing component, thereby ensuring that the patient's head will not be offset. At the same time, by setting a buckle component, the headrest can be adjusted to limit the position, thereby ensuring the comfort of the patient's head, so that the patient can be treated better, thereby meeting the needs of patients of different heights. The specific contents are as follows:
[0020] 1. By setting a fixing component, the screw is rotated to engage with the threaded texture inside the stabilizing plate, so that the screw moves, and the movement of the screw can drive the movement of the connecting plate, and the movement of the connecting plate can drive the movement of the foam pad. After the foam pad contacts and squeezes the patient's head, the foam pad moves, and the movement of the foam pad causes the movement of the first spring and the telescopic rod. At the same time, the characteristics of the first spring squeeze the foam pad, so that the foam pad squeezes the patient's head, so that the patient's head can be fixed, thereby ensuring that the patient's head will not be deviated during treatment;
[0021] 2. By setting a fixing component and pressing the pressure rod on the fixing component, the pressure rod can drive the movement of the blocking plate, and the movement of the blocking plate can drive the card rod to descend, so that the card rod enters the inside of the card slot. After the pressure rod descends to a certain distance, the pressure rod is rotated so that the limit block on the pressure rod and the limit slot are cross-shaped, so that the pressure rod can be limited, thereby achieving the limiting effect after the headrest is adjusted. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0023] Figure 2 It is a schematic diagram of the overall operation structure of the utility model;
[0024] Figure 3 This is a schematic diagram of the side view structure of the extension plate in the utility model;
[0025] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure of the middle A area;
[0026] Figure 5 For this utility model Figure 3 Schematic diagram of the enlarged structure of the middle B area;
[0027] Figure 6 It is a schematic diagram of the overall structure of the buckle assembly in the utility model.
[0028] In the figure: 1. main body; 2. extension plate; 3. movable groove; 4. headrest; 5. fixing assembly; 501. stabilizing plate; 502. screw; 503. bearing seat; 504. connecting plate; 505. groove; 506. telescopic rod; 507. first spring; 508. foam pad; 6. connecting block; 7. slot; 8. buckle assembly; 801. sleeve; 802. slide groove; 803. pressure rod; 804. blocking plate; 805. clamping rod; 806. second spring; 807. rotating plate; 808. sliding groove; 809. limit groove; 810. limit block. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] See also Figure 1-6 The utility model provides a technical solution: a dental chair for positioning a patient's head, comprising a body 1 and an extension plate 2, wherein the top surface of the body 1 is fixedly connected to the extension plate 2; a movable groove 3 is provided on the surface of the extension plate 2, a headrest 4 is slidably connected to the surface of the extension plate 2, a fixing assembly 5 is symmetrically arranged on the surface of the headrest 4, the fixing assembly 5 comprises a stabilizing plate 501 fixedly connected to the headrest 4, a screw 502 is threadedly connected to the inner part of the stabilizing plate 501, a connecting block 6 is fixedly connected to the middle of the top surface of the headrest 4, and a clamping groove 7 is provided inside the movable groove 3; further comprising: a buckle assembly 8 is arranged inside the connecting block 6; wherein the buckle assembly 8 comprises a sleeve 801 connected through the connecting block 6, a slide groove 802 is provided inside the sleeve 801, and a pressure rod 803 is slidably connected to the inner part of the slide groove 802; wherein a blocking plate 804 is fixedly connected to the bottom surface of the pressure rod 803, a clamping rod 805 is fixedly connected to the middle of the bottom surface of the blocking plate 804, and a second spring 806 is sleeved on the surface of the clamping rod 805, such as Figure 1-6 As shown, by setting the fixing component 5, it is possible to stabilize the heads of different patients, thereby reducing the swing amplitude of the patients' heads. By setting the buckle component 8, the headrest 4 can be adjusted to perform a limiting function, so that it can be used to meet the needs of patients of different heights. At the same time, a moving block is installed on one side surface of the headrest 4, and the moving block is a T-shaped block. At the same time, the moving groove 3 is a T-shaped groove, so that the headrest 4 will not fall off when sliding on the extension plate 2. At the same time, the main body 1 is a dental chair in the prior art.
[0031] The bottom surface of the second spring 806 is fixedly connected with a rotating plate 807, the top surface of the second spring 806 is fixedly connected with the blocking plate 804, the sleeve 801 is symmetrically provided with sliding grooves 808 on both sides near the bottom, the sliding grooves 808 are slidably connected with the rotating plate 807, the surface of the sleeve 801 near the top is provided with a limiting groove 809, the inner sliding connection of the limiting groove 809 is connected with a limiting block 810, the bottom surface of the limiting block 810 is fixedly connected with the pressure rod 803, the clamping rod 805 is connected with the rotating plate 807 through, as shown in Figures 3, 5, and 6, by pressing the fixing assembly 5 The pressure rod 803 can drive the movement of the blocking plate 804, and the movement of the blocking plate 804 can drive the lowering of the locking rod 805, so that the locking rod 805 enters the inside of the locking groove 7. After the pressure rod 803 is lowered to a certain distance, the pressure rod 803 is rotated so that the limit block 810 on the pressure rod 803 and the limit groove 809 are in a cross shape, so that the headrest 4 can be limited, thereby the headrest 4 can be limited after adjustment. At the same time, the second spring 806 is a rubber composite spring in the prior art, and the elastic force of the rubber composite spring is relatively large.
[0032] One side surface of the screw rod 502 is rotatably connected to a bearing seat 503, and the side surface of the bearing seat 503 away from the screw rod 502 is fixedly connected to a connecting plate 504. The side surface of the connecting plate 504 away from the bearing seat 503 is provided with a plurality of grooves 505, and a telescopic rod 506 is fixedly installed inside the groove 505. The side surface of the telescopic rod 506 away from the groove 505 is sleeved with a first spring 507, and one side surface of the first spring 507 is fixedly connected to a foam pad 508, and the other side surface of the first spring 507 is fixedly connected to the groove 505, and the side surface of the telescopic rod 506 away from the first spring 507 is fixedly connected to the foam pad 508. Figure 4 As shown, by rotating the screw rod 502, the screw rod 502 is engaged with the thread texture inside the connecting plate 504, so that the screw rod 502 moves, and the movement of the screw rod 502 can drive the movement of the connecting plate 504, and the movement of the connecting plate 504 can drive the movement of the foam pad 508. After the foam pad 508 contacts and squeezes the patient's head, the foam pad 508 moves, and the movement of the foam pad 508 causes the first spring 507 and the telescopic rod 506 to move. At the same time, through the characteristics of the first spring 507, the foam pad 508 is squeezed, so that the foam pad 508 squeezes the patient's head, so that the patient's head can be fixed. At the same time, the first spring 507 is also a rubber composite spring in the prior art, and the rubber composite spring has a large elastic force.
[0033] The clamping rod 805 is engaged with the clamping slot 7, and the sleeve 801 is slidably connected with the movable slot 3. Figure 5As shown, by the engagement between the locking rod 805 and the locking slot 7 , the headrest 4 can be limited after adjustment, thereby ensuring the stability of the headrest 4 .
[0034] Working principle: Before using this dental chair for positioning the patient's head, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 6 As shown, firstly, a fixing component 5 is set, and the screw rod 502 is rotated so that the screw rod 502 is meshed and connected with the thread texture inside the connecting plate 504, so that the screw rod 502 moves, and the movement of the screw rod 502 can drive the movement of the connecting plate 504, and the movement of the connecting plate 504 can drive the movement of the foam pad 508, and after the foam pad 508 contacts and squeezes the patient's head, the foam pad 508 moves, and the movement of the foam pad 508 causes the first spring 507 and the telescopic rod 506 to move, and at the same time, due to the characteristics of the first spring 507, the foam pad 508 is squeezed, so that the foam pad 508 squeezes the patient's head, so that the patient's head can be fixed.
[0035] Secondly, by setting up the fixing component 5 and pressing the pressure rod 803 on the fixing component 5, the pressure rod 803 can drive the movement of the blocking plate 804, and the movement of the blocking plate 804 can drive the locking rod 805 to descend, so that the locking rod 805 enters the inside of the locking groove 7. After the pressure rod 803 descends to a certain distance, the pressure rod 803 is rotated so that the limit block 810 on the pressure rod 803 and the limit groove 809 are in a cross shape, so that the headrest 4 can be limited, thereby making it possible to limit the headrest 4 after adjustment.
[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A dental chair for positioning a patient's head, comprising a body (1) and an extension plate (2), wherein the top surface of the body (1) is fixedly connected to the extension plate (2); A movable groove (3) is provided on the surface of the extension plate (2); a headrest (4) is slidably connected to the surface of the extension plate (2); a fixing assembly (5) is symmetrically arranged on the surface of the headrest (4); the fixing assembly (5) comprises a stabilizing plate (501) fixedly connected to the headrest (4); a screw rod (502) is internally threadedly connected to the stabilizing plate (501); a connecting block (6) is fixedly connected to the middle of the top surface of the headrest (4); and a clamping groove (7) is provided inside the movable groove (3); It is characterized in that Also includes: A buckle assembly (8) is provided inside the connection block (6); The buckle assembly (8) comprises a sleeve (801) penetratingly connected to the connection block (6), a slide groove (802) is provided inside the sleeve (801), and a pressure rod (803) is slidably connected inside the slide groove (802); The bottom surface of the pressure rod (803) is fixedly connected to a blocking plate (804), the middle of the bottom surface of the blocking plate (804) is fixedly connected to a clamping rod (805), and the surface of the clamping rod (805) is sleeved with a second spring (806).
2. A dental chair for positioning a patient's head according to claim 1, characterized in that: The bottom surface of the second spring (806) is fixedly connected to a rotating plate (807), the top surface of the second spring (806) is fixedly connected to the blocking plate (804), and sliding grooves (808) are symmetrically provided on both sides of the sleeve (801) near the bottom, and the sliding grooves (808) are slidably connected to the rotating plate (807).
3. A dental chair for positioning a patient's head according to claim 1, characterized in that: A limiting groove (809) is provided on the surface of the sleeve (801) close to the top, the limiting groove (809) is internally slidably connected to a limiting block (810), the bottom surface of the limiting block (810) is fixedly connected to the pressure rod (803), and the clamping rod (805) is connected to the rotating plate (807) through it.
4. A dental chair for positioning a patient's head according to claim 1, characterized in that: A bearing seat (503) is rotatably connected to one side surface of the screw rod (502), and a connecting plate (504) is fixedly connected to one side surface of the bearing seat (503) away from the screw rod (502).
5. A dental chair for positioning a patient's head according to claim 4, characterized in that: A plurality of grooves (505) are formed on a surface of one side of the connecting plate (504) away from the bearing seat (503); a telescopic rod (506) is fixedly installed inside the groove (505); a first spring (507) is sleeved on a surface of the telescopic rod (506) away from the groove (505); a foam pad (508) is fixedly connected to a surface of one side of the first spring (507); the other side of the first spring (507) is fixedly connected to the groove (505); and a surface of the telescopic rod (506) away from the first spring (507) is fixedly connected to the foam pad (508).
6. A dental chair for positioning a patient's head according to claim 1, characterized in that: The clamping rod (805) is clamped and connected with the clamping slot (7).
7. A dental chair for positioning a patient's head according to claim 1, characterized in that: The sleeve (801) is slidably connected to the movable groove (3).
Citation Information
Patent Citations
Dental chair for intelligent oral implant
CN213666527U