End structure of ultrasonic scaler

Abstract

The utility model relates to the field of oral medical instruments, and discloses an end structure of an ultrasonic scaler, which comprises a mounting rod, a working tip, a rotating component, an adjusting component and a connecting component, the working tip is connected with the mounting rod; the connecting assembly is arranged between the mounting rod and the working tip; the rotating assembly is arranged in the mounting rod; and the adjusting assembly is arranged outside the mounting rod. Through the cooperation of the rotating assembly and the adjusting assembly, a doctor can flexibly adjust the angle of the working tip according to the positions and angles of different teeth in the oral cavity of a patient, and when the mounting rod is held, the operation can be carried out by shifting the knob with a single finger, so that the mounting rod can be more accurately contacted with the surfaces of the teeth needing to be cleaned; and the cleaning efficiency and effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oral cavity medical instrument field especially to an ultrasonic dental cleaning machine end structure. BACKGROUND

[0002] The dental cleaning machine working tip is the end execution component of the ultrasonic dental cleaning machine, which generates mechanical energy through high-frequency vibration and transmits to the tooth surface to achieve the purpose of removing dental calculus, dental plaque and the like. The working tip is usually made of titanium alloy or medical stainless steel, which has good elasticity and wear resistance.

[0003] Patent publication number CN213346098U discloses an ultrasonic dental cleaning machine working tip capable of preventing the working tip from breaking at the needle tip part. The ultrasonic dental cleaning machine working tip comprises a base body, an S-shaped connecting end is arranged on the base body, a stainless steel pipe is connected to the connecting end, one end of the stainless steel pipe is connected to the connecting end, and the other end is provided with a PEEK pipe, and a stainless steel wire is arranged on the PEEK pipe. The use of the ultrasonic dental cleaning machine working tip can greatly improve the safety.

[0004] However, the working tip and the connecting end in the above-mentioned patent are fixedly connected, and it is inconvenient for doctors to adjust the angle of the working tip according to the position and angle of different teeth in the patient's oral cavity during actual use, so that the working tip is not easy to accurately contact the tooth surface that needs to be cleaned, resulting in reduced cleaning efficiency and effect. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem proposed in the above-mentioned background art and provides an ultrasonic dental cleaning machine end structure.

[0006] The utility model solves the technical problem by adopting the following technical scheme:

[0007] An ultrasonic dental cleaning machine end structure comprises a mounting rod, a working tip, a rotating assembly, an adjusting assembly, and a connecting assembly.

[0008] The working tip is connected to the mounting rod.

[0009] The connecting assembly is arranged between the mounting rod and the working tip.

[0010] The rotating assembly is arranged inside the mounting rod.

[0011] The adjusting assembly is arranged outside the mounting rod.

[0012] Preferably, the connecting assembly comprises a nut and a connecting head.

[0013] The nut is installed at the tail end of the working tip, the connecting head is rotationally connected to the top end of the mounting rod, the outer wall of the connecting head is provided with threads, and the threads are threadedly connected between the nut and the connecting head.

[0014] Preferably, the rotating assembly comprises a sleeve, a limiting strip, a screw rod and a clamping tooth.

[0015] The limiting strip is fixedly connected to the outer wall of the sleeve, and the inner wall of the mounting rod is provided with a sliding groove movably connected with the limiting strip.

[0016] The top end of the screw rod is fixedly connected to the bottom end of the connecting head, the screw rod is rotatably connected to the inner wall of the mounting rod, the inner wall of the sleeve is provided with a spiral groove, and the spiral groove is movably connected with the screw rod.

[0017] The outer wall of the connecting head is provided with an annular groove, the clamping tooth is fixedly connected to the inside of the annular groove, and the inner wall of the mounting rod is provided with a clamping groove movably connected with the clamping tooth.

[0018] Preferably, the adjusting assembly comprises a knob, a rotating shaft, a gear and a rack.

[0019] The knob is located outside the mounting rod, the rotating shaft is fixedly connected to the center of the knob, and the gear is fixedly connected with the rotating shaft.

[0020] The outer wall of the mounting rod is provided with a notch, the rack is movably connected in the notch, the inner side of the rack is fixedly connected with the sleeve, and the outer side of the rack is meshingly connected with the gear.

[0021] The utility model discloses a beneficial effect:

[0022] The utility model discloses a rotating assembly and adjusting assembly cooperate, and the angle of the working tip is flexibly adjusted according to the position and angle of different teeth in the oral cavity of patient for doctor, and when holding the mounting rod, the operation can be carried out by using single finger to drive the knob, so that it can contact the tooth surface that needs to be cleaned more accurately, and the cleaning efficiency and effect are improved. DRAWINGS

[0023] Figure 1 It is the overall structure schematic diagram of the end structure of the ultrasonic dental cleaning machine.

[0024] Figure 2 It is the mounting rod structure schematic diagram of the end structure of the ultrasonic dental cleaning machine.

[0025] Mark explanation: 1, mounting rod;11, sleeve;12, limiting strip;13, screw rod;14, clamping tooth;15, connecting head;2, working tip;3, nut;4, adjusting assembly;41, knob;42, rotating shaft;43, gear;44, rack. PREFERRED EMBODIMENT

[0026] The concept and technical effect of the utility model will be described below in combination with examples, so that the purpose, features and effects of the utility model can be fully understood.

[0027] The application designs an end structure of an ultrasonic dental scaler, as shown in the accompanying drawings Figure 1 , which comprises a mounting rod 1, a working tip 2, a rotating assembly, an adjusting assembly 4, and a connecting assembly.

[0028] The working tip 2 is connected with the mounting rod 1, and a through hole for water flow is formed in the working tip 2. The mounting rod 1 is connected with the ultrasonic dental scaler device, and the ultrasonic dental scaler provides water for cooling the mounting rod 1 and the working tip 2.

[0029] The connecting assembly is arranged between the mounting rod 1 and the working tip 2.

[0030] The rotating assembly is arranged in the mounting rod 1.

[0031] The adjusting assembly 4 is arranged outside the mounting rod 1.

[0032] As shown in the accompanying drawings Figure 2 , the connecting assembly comprises a nut 3 and a connecting head 15.

[0033] The nut 3 is mounted at the tail end of the working tip 2, and the connecting head 15 is rotationally connected at the top end of the mounting rod 1. A thread is formed on the outer wall of the connecting head 15, and the thread is in threaded connection with the nut 3.

[0034] The rotating assembly comprises a sleeve 11, a limiting strip 12, a screw rod 13, and a clamping tooth 14.

[0035] The limiting strip 12 is fixedly connected to the outer wall of the sleeve 11, and a sliding groove is formed in the inner wall of the mounting rod 1 and movably connected with the limiting strip 12.

[0036] The top end of the screw rod 13 is fixedly connected with the bottom end of the connecting head 15, and the screw rod 13 is rotationally connected to the inner wall of the mounting rod 1. A helical groove is formed in the inner wall of the sleeve 11 and movably connected with the screw rod 13.

[0037] An annular groove is formed in the outer wall of the connecting head 15, and the clamping tooth 14 is fixedly connected inside the annular groove. A clamping groove is formed in the inner wall of the mounting rod 1 and movably connected with the clamping tooth 14. The clamping tooth 14 is made of elastic plastic material, and the angle of each clamping groove is 15 degrees.

[0038] A through hole is formed in the center of the connecting head 15 and the screw rod 13, and the position of the through hole coincides with the position of the internal passage of the working tip 2, so as to facilitate water flow.

[0039] The adjusting assembly 4 comprises a knob 41, a rotating shaft 42, a gear 43, and a rack 44.

[0040] The knob 41 is located outside the mounting rod 1, the rotating shaft 42 is fixedly connected at the center of the knob 41, and the gear 43 is fixedly connected with the rotating shaft 42.

[0041] The outer wall of the mounting rod 1 is provided with a notch, and the rack 44 is movably connected in the notch, the inner side of the rack 44 is fixedly connected with the sleeve 11, and the outer side of the rack 44 is meshingly connected with the gear 43.

[0042] Working principle: the working tip 2 is connected with the mounting rod 1 through the threaded connection between the nut 3 and the connecting head 15, in use, the doctor holds the mounting rod 1, rotates the knob 41 through the fingers, the knob 41 drives the rotating shaft 42 and the gear 43 to rotate, the gear 43 drives the rack 44 to move, the rack 44 drives the sleeve 11 to move, the sleeve 11 moves radially under the limiting action of the limiting strip 12, the screw rod 13 is driven to rotate through the helical groove, the connecting head 15 and the working tip 2 are driven to rotate through the screw rod 13, thereby angle adjustment is carried out, the rotating motion of the screw rod 13 and the sleeve 11 is converted into the screw motion, the rotating speed is slowed down through the increase of the moving distance, thereby fine angle adjustment can be carried out, in the adjustment process, the clamping teeth 14 are gradually separated from the clamping grooves under the elastic action of the clamping teeth 14, after the adjustment is completed, the clamping teeth 14 are stopped in the clamping grooves at the current position to fix the connecting head 15 and the screw rod 13, and the connecting head 15 and the working tip 2 are prevented from rotating independently.

[0043] The above embodiments are only part of the embodiments of the present application, not all the embodiments, based on the embodiments of the present application, other embodiments obtained by the person skilled in the art without creative labor all belong to the protection scope of the present application.

Claims

1. An ultrasonic dental unit tip structure, characterized by: The utility model provides a kind of adjustable installation rod, including installation rod (1), working tip (2), rotating assembly, adjusting assembly (4), connecting assembly; The working tip (2) is connected with the installation rod (1); The connecting assembly is arranged between the installation rod (1) and the working tip (2); The rotating assembly is arranged inside the installation rod (1); The adjusting assembly (4) is arranged outside the installation rod (1).

2. An ultrasonic dental unit end structure according to claim 1, wherein: The connecting assembly includes nut (3), connecting head (15); The nut (3) is installed at the tail end of the working tip (2), the connecting head (15) is rotatably connected at the top end of the installation rod (1), the outer wall of the connecting head (15) is provided with a thread, and the thread is threadedly connected between the nut (3).

3. An ultrasonic dental unit end structure according to claim 2, wherein: The rotating assembly includes sleeve (11), limiting strip (12), screw rod (13), clamping tooth (14); The limiting strip (12) is fixedly connected to the outer wall of the sleeve (11), and the inner wall of the installation rod (1) is provided with a sliding groove movably connected with the limiting strip (12); The top end of the screw rod (13) is fixedly connected with the bottom end of the connecting head (15), the screw rod (13) is rotatably connected to the inner wall of the installation rod (1), the inner wall of the sleeve (11) is provided with a spiral groove, and the spiral groove is movably connected with the screw rod (13); The outer wall of the connecting head (15) is provided with an annular groove, the clamping tooth (14) is fixedly connected inside the annular groove, and the inner wall of the installation rod (1) is provided with a clamping groove movably connected with the clamping tooth (14).

4. An ultrasonic dental unit end structure according to claim 3, wherein: The adjusting assembly (4) includes knob (41), rotating shaft (42), gear (43), rack (44); The knob (41) is located outside the installation rod (1), the rotating shaft (42) is fixedly connected at the center of the knob (41), and the gear (43) is fixedly connected with the rotating shaft (42); The outer wall of the installation rod (1) is provided with a notch, the rack (44) is movably connected in the notch, the inner side of the rack (44) is fixedly connected with the sleeve (11), and the outer side of the rack (44) is meshingly connected with the gear (43).

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