Multi-angle adjustable dental handpiece head

Abstract

The utility model discloses a multi-angle adjustable dental handpiece handpiece which comprises a handpiece shell, a handpiece connecting handle arranged at the lower end of the handpiece shell, a motor arranged inside the handpiece shell, a rotating shaft I arranged at one end of the motor, and a rotating shaft II arranged at the other end of the motor, one end of the first rotating shaft penetrates through the machine head shell to be provided with a machine needle, the other end of the machine head shell is provided with a worm, a rotating structure is arranged in the middle of the bottom end in the machine head shell, and a connecting structure vertically penetrates through the machine head shell. Compared with the prior art, the dental handpiece has the advantages that the dental handpiece head can be rotated at multiple angles, and the handpiece head and the oral cavity of a patient can be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of dental mobile phones, in particular to a multi-angle adjustable dental mobile phone head. Background Art

[0002] During oral surgery, it is often necessary to cut, drill and grind teeth, so dental high-speed mobile phones are an indispensable medical device. Dental high-speed mobile phones are also divided into many categories, and different types of dental high-speed mobile phones have different functions. In an oral surgery, due to the complexity of the operation, it is necessary to replace multiple dental high-speed mobile phones for different operations so that the surgery can be completed safely and efficiently. The existing dental mobile phone head technology has the following problems: it is not convenient to rotate at multiple angles, and it is not convenient to perform multi-angle surgery on teeth.

[0003] The patent number CN215349584U in the prior art discloses a rotating handpiece of a dental high-speed handpiece, including a handpiece shell, a handpiece connecting handle, a high-speed handpiece body and a high-speed fluid inlet. The upper outer wall of the high-speed handpiece body is sleeved with a handpiece shell for protection. The outer wall of the handpiece shell is a longitudinal annular structure with multiple high-speed fluid inlets for gas circulation. Through the rotation of the impeller blades, the impeller blades will contact the fixed ball. When the fixed ball contacts the impeller blades, the cross-shaped pin will be pushed downward, so that the cross-shaped pin is inserted into the inside of the excretion through-hole to clean the dental plaque inside the excretion through-hole. When the impeller blades are separated from the fixed ball, the telescopic spring will extend, so that the fixed ball and the cross-shaped pin will return to their initial position, so that the telescopic dust removal needle mechanism can reciprocate for cleaning, thereby preventing dental plaque from clogging the excretion through-hole and improving work efficiency.

[0004] However, the patents in the prior art have the following disadvantages:

[0005] (1) The existing technology uses the impeller blades to drive the device to rotate, and there is no structure that can adjust the rotation angle of the dental handpiece head, which may make it inconvenient for doctors to operate deep in the patient's mouth;

[0006] (2) The prior art uses a telescopic needle to clean the dental plaque remaining on the inner wall of the device, but does not have a water pipe for cleaning, which makes it inconvenient to clean the dental handpiece and the inside of the patient's mouth. Utility Model Content

[0007] The technical problem to be solved by the present invention is to overcome the above technical defects and provide a multi-angle adjustable dental handpiece head which can not only rotate the dental handpiece head at multiple angles but also clean the handpiece and the patient's oral cavity.

[0008] In order to solve the above problems, the technical solution of the utility model is as follows: a multi-angle adjustable dental handpiece head, comprising a handpiece housing, a handpiece connecting handle provided at the lower end of the handpiece housing, one end of the handpiece housing being rotatably connected to the handpiece connecting handle, a motor being provided inside the handpiece housing, a rotating shaft 1 being provided at one end of the motor, a rotating shaft 2 being provided at the other end of the motor, a turning needle being provided at one end of the rotating shaft 1 penetrating the handpiece housing, a worm being provided at the other end of the handpiece housing, a rotating structure being provided in the middle of the bottom end of the handpiece housing, and a connecting structure being vertically provided inside the handpiece housing;

[0009] Preferably, the rotating structure includes a rotating plate, a connecting plate is provided on the upper end of the rotating plate, the connecting plate is rotatably connected to the rotating plate, a connecting rod is provided on the upper end of the other end of the connecting plate, and a gear is provided on the upper end of the connecting rod;

[0010] Preferably, the connecting structure includes an adjusting rod, a turbine is provided at the lower end of the adjusting rod, a gear column is provided at the lower end of the turbine, a limit plate is provided at the upper end of the adjusting rod, a positioning rod is provided at one end of the limit plate, and the positioning rod is fixedly connected to the upper end of the head shell through a support plate.

[0011] Furthermore, the positioning rod includes a shell, a moving rod is provided inside the shell, a pull ring is provided at one end of the moving rod, a limit plate is inserted at the other end of the moving rod, a moving plate is provided at the end of the moving rod located inside the shell away from the pull ring, and a spring is provided on the surface of the moving rod.

[0012] Furthermore, one end of the spring is fixedly connected to the movable plate, and the other end of the spring is fixedly connected to the inside of the shell.

[0013] Furthermore, a water tank is provided at one end of the mobile phone connecting handle, a hose is provided at the upper end of the water tank through the bottom end of the head shell, the other end of the hose is connected to the needle through a pipe, cleaning tubes are provided at both ends of the needle, and a camera is provided under the needle.

[0014] Furthermore, an annular groove is provided on the upper end of the head housing where the adjustment rod is located, and a protrusion is provided on the lower end of the limiting plate for use in conjunction with the annular groove.

[0015] Furthermore, protective brackets are provided at the outer ends of the rotating structure and the connecting structure.

[0016] The advantages of this utility model compared with the existing technology are:

[0017] (1) The utility model drives the needle to rotate by installing a motor, and the motor drives the worm to rotate at the same time. The connection structure can control the meshing contact of the worm, the turbine, the gear column, and the gear under the limitation of the positioning rod, so that the rotation structure can control the rotation of the handpiece on the handpiece connection handle, thereby facilitating the doctor to perform surgery in the blind spots deep in the patient's mouth;

[0018] (2) The utility model facilitates cleaning of the dental handpiece head and the inside of the patient's mouth by installing a water tank, a hose, a cleaning tube, a camera, and a ring groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a three-dimensional multi-angle adjustable dental handpiece head Figure 1 .

[0020] Figure 2 The utility model is a three-dimensional multi-angle adjustable dental handpiece head Figure 2 .

[0021] Figure 3 The utility model is a three-dimensional diagram of a positioning pin of a multi-angle adjustable dental handpiece head.

[0022] Figure 4 The utility model is a three-dimensional multi-angle adjustable dental handpiece head Figure 3 .

[0023] As shown in the figure: 1. Head shell; 2. Mobile phone connecting handle; 3. Motor; 4. Rotating axis 1; 5. Rotating axis 2; 6. Needle; 7. Worm; 8. Rotating structure; 9. Connecting structure; 10. Rotating plate; 11. Connecting plate; 12. Connecting rod; 13. Gear; 14. Adjusting rod; 15. Turbine; 16. Gear column; 17. Limiting plate; 18. Positioning rod; 19. Housing; 20. Moving rod; 21. Pull ring; 22. Moving plate; 23. Spring; 24. Water tank; 25. Hose; 26. Cleaning tube; 27. Camera; 28. Ring groove. DETAILED DESCRIPTION

[0024] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings, wherein the same components are represented by the same reference numerals.

[0025] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the accompanying drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0026] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0027] like Figures 1 to 4As shown, a multi-angle adjustable dental handpiece head includes a head shell 1, a handpiece connecting handle 2 is installed at the lower end of the head shell 1, and the head shell 1 can be rotated at the connection between the upper end of the handpiece connecting handle 2 and the head shell 1. The head shell 1 is installed with a needle 6 at the end of the head shell 1 adjacent to the handpiece connecting handle 2. The needle 6 is used to perform surgery on the patient's teeth. The needle 6 is driven to rotate by a motor 3. The motor 3 is located inside the head shell 1 and is connected to the needle 6 through a rotating shaft 4 to facilitate the rotation of the needle 6.

[0028] Two cleaning tubes 26 are symmetrically installed on the surface of the needle 6. The cleaning tubes 26 are connected to the hose 25 inside the head shell 1 through the inside of the needle 6. The hose 25 is connected to the water tank 24 installed at the lower end of the head shell 1. Mouthwash liquid for cleaning the oral cavity is placed in the water tank 24, which is convenient for cleaning the needle 6 and the inside of the patient's mouth by spraying it through the cleaning tubes 26. A camera 27 is installed on the head shell 1 below the needle 6. The camera 27 can be connected to an external display to facilitate the doctor to observe the patient's oral cavity and gums.

[0029] The motor 3 is provided with a second rotating shaft 5 at one end away from the first rotating shaft 4 , and a worm 7 is provided on the second rotating shaft 5 . When the motor 3 rotates, the worm 7 is driven to rotate at the same time.

[0030] A rotating structure 8 is installed in the middle of the bottom end of the head shell 1. The rotating structure 8 includes a rotating plate 10. The rotating plate 10 is controlled to rotate by an external motor device in the mobile phone connecting handle 2. A connecting plate 11 is rotatably installed on the other end of the rotating plate 10. A connecting rod 12 is rotatably installed on the other end of the connecting plate 11. A gear 13 is installed on the upper end of the connecting rod 12, and the connecting rod 12 is installed at the inner edge of the gear 13.

[0031] The connecting structure 9 includes an adjusting rod 14, a turbine 15 is installed at the lower end of the adjusting rod 14, the turbine 15 can engage with the worm 7, a gear column 16 is installed at the lower end of the turbine 15, the gear column 16 can engage with the gear 13, and the connecting structure 9 is fixed by a positioning rod 18. By removing the positioning rod 18 from the limit plate 17, the connecting structure 9 moves downward, so that the turbine 15 engages with the worm 7 and the gear column 16 engages with the gear 13, so that the connecting structure 9 can control the motor 3 to rotate at the upper end of the mobile phone connecting handle 2 through the head shell 1.

[0032] The external motor device drives the rotating plate 10 to rotate, thereby driving the connecting plate 11 to rotate, thereby driving the gear to move along with the connecting rod 12, and the motor 3 drives the worm 7 to rotate, thereby driving the turbine 15 to rotate, thereby driving the gear 13 to rotate through the gear column 16.

[0033] The rotation principle is a double rocker mechanism. In the four-bar linkage, the rod opposite to the shortest rod is used as the frame, which is a double rocker mechanism. The shortest rod is equivalent to the radius of the turbine 15. The other three rods are: from the fixed point of the center of the motor 3 to the center of the turbine 15, from the center of the connecting rod 12 to the connection point between the rotating plate 10 and the external motor, and from the connection between the rotating plate 10 and the external motor to the center of the motor 3. The above structures are all from a top-down perspective. When the turbine 15 rotates at a certain angular velocity, the connecting plate 11, connecting rod 12, gear 13 part and the turbine 15, gear column 16 part will swing back and forth through motion transmission, thus forming a double rocker phenomenon.

[0034] The positioning rod 18 is installed at the upper end of the head shell 1 through the support plate. The positioning rod 18 includes a shell 19, which is installed inside the support plate. A moving rod 20 is installed inside the shell 19. The moving rod 20 is used to connect the limit plate 17 to limit the adjustment rod 14, which can control whether the head rotates. By pulling the pull ring 21, the moving plate 22 drives the moving rod 20 to disengage from the limit plate 17 and compress the spring 23. The spring 23 is used to reset the moving plate 22 and the moving rod 20, so as to facilitate re-fixing the limit plate 17.

[0035] An annular groove 28 is provided at the upper end of the head housing 1 at the adjusting rod 14 , and a protrusion is installed at the lower end of the limiting plate 17 for use with the annular groove 28 , so that the limiting plate 17 can be snapped onto the head housing 1 when it moves downward, thereby facilitating the rotation of the adjusting rod 14 .

[0036] Protective brackets are installed at the outer ends of the rotating structure 8 and the connecting structure 9 to avoid damage.

[0037] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A multi-angle adjustable dental handpiece head, characterized by: The invention comprises a head shell (1), wherein a mobile phone connecting handle (2) is provided at the lower end of the head shell (1), one end of the head shell (1) is rotatably connected to the mobile phone connecting handle (2), a motor (3) is provided inside the head shell (1), one end of the motor (3) is provided with a rotating shaft (4), the other end of the motor (3) is provided with a rotating shaft (5), one end of the rotating shaft (4) passes through the head shell (1) and is provided with a needle (6), the other end of the head shell (1) is provided with a worm (7), a rotating structure (8) is provided in the middle of the bottom end of the head shell (1), and a connecting structure (9) is vertically passed through the head shell (1); The rotating structure (8) comprises a rotating plate (10), a connecting plate (11) is provided at the upper end of the rotating plate (10), the connecting plate (11) is rotatably connected to the rotating plate (10), a connecting rod (12) is provided at the upper end of the other end of the connecting plate (11), and a gear (13) is provided at the upper end of the connecting rod (12); The connecting structure (9) comprises an adjusting rod (14), a turbine (15) is provided at the lower end of the adjusting rod (14), a gear column (16) is provided at the lower end of the turbine (15), a limiting plate (17) is provided at the upper end of the adjusting rod (14), a positioning rod (18) is provided at one end of the limiting plate (17), and the positioning rod (18) is fixedly connected to the upper end of the head housing (1) through a support plate.

2. The multi-angle adjustable dental handpiece according to claim 1, characterized in that: The positioning rod (18) includes a shell (19), a moving rod (20) is provided inside the shell (19), a pull ring (21) is provided at one end of the moving rod (20), and the other end of the moving rod (20) is connected to the limit plate (17), and a moving plate (22) is provided at one end of the moving rod (20) located inside the shell (19) away from the pull ring (21), and a spring (23) is provided on the surface of the moving rod (20).

3. The multi-angle adjustable dental handpiece according to claim 2, characterized in that: One end of the spring (23) is fixedly connected to the moving plate (22), and the other end of the spring (23) is fixedly connected to the inside of the housing (19).

4. The multi-angle adjustable dental handpiece according to claim 1, characterized in that: A water tank (24) is provided at one end of the mobile phone connection handle (2), a hose (25) is provided at the upper end of the water tank (24) penetrating the bottom end of the head shell (1), the other end of the hose (25) is connected to the needle (6), cleaning tubes (26) are provided at both ends of the needle (6), and a camera (27) is provided below the needle (6).

5. The multi-angle adjustable dental handpiece according to claim 1, characterized in that: The upper end of the head housing (1) is provided with an annular groove (28) at the adjusting rod (14), and the lower end of the limiting plate (17) is provided with a protrusion used in conjunction with the annular groove (28).

6. The multi-angle adjustable dental handpiece according to claim 1, characterized in that: The outer ends of the rotating structure (8) and the connecting structure (9) are provided with protective brackets.

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