Dental handheld bending machine with water filter and atomizer closing switch

Abstract

The utility model relates to the technical field of dental medical instruments, in particular to a dental handheld bending machine with a water filter and an atomizer closing switch, which comprises a machine head and a machine body, a water spraying seat for cooling a machine needle is arranged on the machine head, the machine body comprises a machine body shell and a machine body lining main body, and a water pipe and an air pipe which are communicated with the water spraying seat are arranged between the machine body shell and the machine body lining main body. A transmission assembly is arranged in the machine body lining body, a water filter and a ventilation switch which are connected with a water pipe and an air pipe respectively are arranged at the tail end of the machine body lining body, and the operation end of the ventilation switch is exposed out of the bottom of the machine body lining body. The water pipe and the air pipe are arranged at the same time, and the ventilation switch and the water filter are arranged in the air inlet channel and the water inlet channel respectively, so that two cooling and flushing modes of water mist spraying and water spraying can be achieved through the ventilation switch, switching is convenient, impurities can be filtered through the water filter, and the cooling and flushing efficiency is improved. Potential safety hazards and influence on the service life of the bending machine are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of dental medical instruments, in particular to a dental handheld contra-angle machine with a water filter and an atomizer closing switch. Background Art

[0002] The dental handheld contra-angle machine is a commonly used medical device in the dental department. It is used to drill, cut, grind, polish and other operations on the patient's teeth. Debris will be generated during use. These debris need to be cleaned in time, otherwise it will affect the treatment. In addition, the needle will generate a lot of heat when rotating. Therefore, the dental handheld contra-angle machine needs to have a water spray function to play a role in flushing and cooling. Dental handheld contra-angle machines are usually divided into high-speed dental handheld contra-angle machines and low-speed dental handheld contra-angle machines. Among them, high-speed dental handheld contra-angle machines are usually driven by high-speed turbines, with high speeds but low torques, and cannot be used in some application scenarios that require large torques. Low-speed dental handheld contra-angle machines generate large torques, and usually use a transmission shaft and gear transmission to drive the movement in the handpiece to rotate. Therefore, it is not convenient to directly set a cooling water pipe inside the machine body. The utility model patent (CN216570261U) previously applied by the applicant discloses a low-speed dental handpiece with an external water pipe and multi-point water spraying. An external water pipe is set on the handpiece for flushing and cooling, but the external water pipe will bring some inconvenience during use. In addition, in some application scenarios, in order to increase the flushing and cooling effects, the water spray seat is required to spray water mist onto the needle. However, in some special application scenarios, such as when the patient's oral wound is relatively large, spraying water mist onto the needle may easily cause oral wound infection or other injuries. Therefore, the market urgently needs a dental handheld contra-angle machine that has both water mist and water spray for cooling and flushing. Utility Model Content

[0003] In order to overcome the above-mentioned deficiencies of the prior art, the utility model aims to provide a dental hand-held contra-angle machine with a water filter and an atomizer closing switch.

[0004] The utility model task is achieved through the following technical solutions:

[0005] A dental handheld contra-angle machine with a water filter and an atomizer closing switch comprises a handpiece and a body, wherein the handpiece comprises a handpiece shell, a movement disposed in the handpiece shell and used for driving a turning needle to rotate, and a water spray seat disposed at the front end of the handpiece shell and used for cooling the turning needle, wherein the body comprises a body shell and a body lining body, wherein the body lining body is disposed in the body shell and a hollow interlayer is disposed therebetween, wherein a transmission assembly for transmitting and connecting the movement is disposed in the body lining body, a water pipe and an air pipe connected to the water spray seat are disposed in the hollow interlayer, a water inlet channel and an air inlet channel respectively connected to the water pipe and the air pipe are disposed at the rear end of the body lining body, a water filter for filtering impurities is disposed in the water inlet channel, a ventilation switch for controlling the on-off of the air path is disposed in the air inlet channel, and an operating end of the ventilation switch is exposed at the bottom of the body lining body.

[0006] As a preferred technical solution, the water filter is detachably mounted on the fuselage lining body, and the detachable end of the water filter is exposed at the bottom of the fuselage lining body.

[0007] As a preferred technical solution, the fuselage lining body is a sleeve-shaped structure, and the tail end of the fuselage lining body is provided with a boss protruding outward, the water filter and the ventilation switch are embedded in the boss, and the inner side wall of the fuselage lining body is provided with a water inlet and an air inlet respectively connecting the water inlet channel and the air inlet channel.

[0008] As a preferred technical solution, both ends of the water filter and the ventilation switch are respectively provided with sealing rings for sealing connection with the fuselage lining body.

[0009] As a preferred technical solution, the tail end of the fuselage is also provided with a locking ring for locking the fuselage outer shell and the fuselage lining body together.

[0010] As a preferred technical solution, it also includes a driving motor, which is installed at the rear end of the fuselage and can be detachably connected to the transmission assembly to drive the movement to rotate through the transmission assembly.

[0011] The utility model discloses a dental hand-held contra-angle machine with a water filter and an atomizer closing switch, which has the following beneficial effects:

[0012] 1. A water pipe and an air pipe are provided at the same time, and a ventilation switch is provided in the air inlet passage. When the flushing and cooling effects need to be increased, the water pipe and the air pipe can supply water and air to the water spray seat at the same time, so that the water and air are mixed in the water spray seat to form water mist and spray out. In special application scenarios where water mist needs to be avoided, the doctor can control the air pipe to stop supplying air through the ventilation switch, so that the water spray seat only sprays water to the needle to avoid infection of the oral wound by water mist, thereby realizing both water mist spray and water spray cooling flushing modes, which can be switched at will according to needs, and the switching operation is convenient.

[0013] 2. A fuselage lining body is arranged inside the fuselage outer shell, a transmission component is arranged inside the fuselage lining body, and a water pipe and an air pipe are arranged in a hollow interlayer between the fuselage lining body and the fuselage outer shell, so that the water pipe and the air pipe will not interfere with the transmission component, and the water pipe and the air pipe can be arranged inside the fuselage without affecting operation and use.

[0014] 3. A water filter is installed in the water inlet channel to filter out impurities in the cooling water during use, to prevent impurities from causing infection to the oral wound and posing a safety hazard, and to prevent impurities from remaining and clogging the inside of the bending machine, affecting the service life of the bending machine.

[0015] 4. The operating end of the ventilation switch is exposed at the bottom of the fuselage lining body, which is convenient for doctors to switch between water mist spray and water spray modes during use. The disassembly end of the water filter is exposed at the bottom of the fuselage lining body, which is convenient for inspection or replacement of the water filter. The structural design is reasonable and ingenious.

[0016] The concept, specific structure and effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, features and effects of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the external structure of a dental hand-held contra-angle machine with a water filter and an atomizer closing switch in an embodiment;

[0018] Figure 2 yes Figure 1 Schematic diagram of the structure after part of the fuselage shell is hidden;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of a dental hand-held contra-angle machine at the axis of the ventilation switch and the water filter;

[0020] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure of part A.

[0021] Among them: head 1, head shell 11, water spray seat 12, fuselage 2, fuselage shell 21, fuselage lining main body 22, water inlet 221, air inlet 222, shoulder 223, transmission assembly 23, water pipe 24, air pipe 25, water filter 26, disassembly end 261, ventilation switch 27, operation end 271, sealing ring 28, locking ring 29. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] It should be noted that when an element is referred to as being "connected" or "communicating with" another element, it may be directly connected to another element or there may be an intermediate element at the same time. Unless otherwise specified, it may be a non-detachable connection or a detachable connection. Similar expressions are for illustrative purposes only and are not used to limit the present invention.

[0024] like Figure 1-4 As shown, a dental hand-held contra-angle machine with a water filter and an atomizer closing switch comprises a handpiece 1 and a body 2. The handpiece 1 comprises a handpiece shell 11, a movement disposed in the handpiece shell 11 and used to drive the turning needle to rotate (the movement and the turning needle are not shown in the drawings), and a water spray seat 12 disposed at the front end of the handpiece shell 11 and used to cool the turning needle. The body 2 comprises a body shell 21 and a body lining body 22. The body lining body 22 is disposed in the body shell 21 and a hollow interlayer is provided between the two. The body lining main body 22 is provided with a transmission assembly 23 for transmission connection movement, the hollow interlayer is provided with a water pipe 24 and an air pipe 25 connected to the water spray seat 12, the tail end of the body lining main body 22 is provided with a water inlet channel and an air inlet channel respectively connected to the water pipe 24 and the air pipe 25, the water inlet channel is provided with a water filter 26 for filtering impurities, the air inlet channel is provided with a ventilation switch 27 for controlling the on and off of the air path, and the operating end 271 of the ventilation switch 27 is exposed at the bottom of the body lining main body 22. The water filter 26 used in this embodiment can be a filter in the prior art, and the patent does not limit its specific structure and model. The ventilation switch 27 used in this embodiment can be an air valve type switch in the prior art, wherein the operating end 271 of the ventilation switch 27 is preferably a screw head-shaped knob, which is easy to operate and does not affect the installation of the motor, and the patent does not limit its specific structure and model.

[0025] The dental handheld contra-angle machine with a water filter and an atomizer closing switch provided in the present embodiment is provided with a water pipe 24 and an air pipe 25 to supply water and air to the water spray seat 12 respectively, and a ventilation switch 27 is provided in the air inlet channel. When the flushing and cooling effects need to be increased, the water pipe 24 and the air pipe 25 are used to supply water and air to the water spray seat 12 at the same time, so that the water and air are mixed in the water spray seat 12 to form water mist for spraying; in special application scenarios where water mist needs to be avoided, the doctor can control the air pipe 25 to stop supplying air through the ventilation switch 27, so that the water spray seat 12 only sprays water to the needle to avoid infection of the oral wound by water mist, thereby realizing both water mist spraying and water spraying cooling and flushing modes, which can be switched arbitrarily according to needs, and the operating end 271 of the ventilation switch 27 is exposed on the body lining main body 2 2, when in use, it is convenient for doctors to flexibly switch between the two cooling and flushing modes of water spray and water spray, which is easy to operate and has a reasonable and ingenious structural design; in addition, by arranging the fuselage lining main body 22 in the fuselage shell 21, the transmission component 23 is arranged in the fuselage lining main body 22, and the water pipe 24 and the air pipe 25 are arranged in the hollow interlayer between the fuselage lining main body 22 and the fuselage shell 21, so that the water pipe 24 and the air pipe 25 will not interfere with the transmission component 23, so that the water pipe 24 and the air pipe 25 can be arranged inside the fuselage 2 without affecting the operation and use; in addition, by arranging the water filter 26 in the water inlet channel, impurities in the cooling water can be filtered during use to prevent the impurities from infecting the oral wound, and impurities can also be prevented from remaining and clogging the inside of the bending machine, affecting the service life of the bending machine.

[0026] As a preferred solution of this embodiment, the water filter 26 is detachably mounted on the fuselage lining body 22, and the disassembly end 261 of the water filter 26 is exposed at the bottom of the fuselage lining body 22. The disassembly end 261 of the water filter 26 is preferably a screw head-shaped knob, which is convenient for inspection or replacement of the water filter 26, and the structural design is reasonable and ingenious.

[0027] As a preferred solution of this embodiment, the fuselage lining main body 22 is a sleeve-shaped structure, and the tail end of the fuselage lining main body 22 is provided with a boss 223 protruding outward, and the water filter 26 and the ventilation switch 27 are both embedded in the boss 223, and the inner side wall of the fuselage lining main body 22 is provided with a water inlet 221 and an air inlet 222 respectively connected to the water inlet channel and the air inlet channel. In this solution, the water filter 26 and the ventilation switch 27 are both embedded in the boss 223, with a compact structural design, a reasonable layout, small space occupancy, and a firm structure that is not easily damaged.

[0028] As a preferred solution of this embodiment, both ends of the water filter 26 and the ventilation switch 27 are respectively provided with sealing rings 28 for sealing connection with the fuselage lining body 22 to facilitate sealing.

[0029] As a preferred solution of this embodiment, the tail end of the fuselage 2 is also provided with a locking ring 29 for locking the fuselage outer shell 21 and the fuselage lining main body 22 together. The outer wall of the locking ring 29 is provided with an external thread to match the internal thread of the inner wall of the fuselage outer shell 21, and convex rings are provided on both the inner and outer sides of the tail to press the tail ends of the fuselage outer shell 21 and the fuselage lining main body 22 together. The structural design is reasonable and ingenious.

[0030] As a preferred solution of this embodiment, the present invention further includes a driving motor (not shown in the drawings), which is mounted at the rear end of the body 2 and can be detachably connected to the transmission assembly 23, and is used to drive the movement to rotate through the transmission assembly 23. In other solutions, the present invention may not have its own driving motor, and the user may purchase a driving motor commonly used in the prior art.

[0031] The preferred embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

Claims

1. A dental hand-held contra-angle machine with a water filter and an atomizer closing switch, comprising a handpiece and a body, wherein the handpiece comprises a handpiece housing, a movement disposed in the handpiece housing and used to drive the turning needle to rotate, and a water spray seat disposed at the front end of the handpiece housing and used to cool the turning needle, characterized in that: The fuselage includes a fuselage outer shell and a fuselage lining main body, the fuselage lining main body is placed in the fuselage outer shell and a hollow interlayer is provided between the two, a transmission component for transmitting and connecting the movement is provided in the fuselage lining main body, a water pipe and an air pipe connected to the water spray seat are provided in the hollow interlayer, a water inlet channel and an air inlet channel respectively connected to the water pipe and the air pipe are provided at the tail end of the fuselage lining main body, a water filter for filtering impurities is provided in the water inlet channel, a ventilation switch for controlling the on-off of the air path is provided in the air inlet channel, and the operating end of the ventilation switch is exposed at the bottom of the fuselage lining main body.

2. The dental hand-held contra-angle machine with a water filter and an atomizer closing switch according to claim 1, characterized in that: The water filter is detachably mounted on the fuselage lining body, and a detachable end of the water filter is exposed at the bottom of the fuselage lining body.

3. The dental hand-held contra-angle machine with a water filter and an atomizer closing switch according to claim 2, characterized in that: The fuselage lining body is a sleeve-shaped structure, and the rear end of the fuselage lining body is provided with a boss protruding outward, the water filter and the ventilation switch are both embedded in the boss, and the inner side wall of the fuselage lining body is provided with a water inlet and an air inlet respectively connecting the water inlet channel and the air inlet channel.

4. The dental hand-held contra-angle machine with a water filter and an atomizer closing switch according to claim 3, characterized in that: Both ends of the water filter and the ventilation switch are respectively provided with sealing rings for sealing connection with the fuselage lining body.

5. The dental hand-held contra-angle machine with a water filter and an atomizer closing switch according to claim 1, characterized in that: The tail end of the fuselage is also provided with a locking ring for locking the fuselage outer shell and the fuselage lining body together.

6. The dental hand-held contra-angle machine with a water filter and an atomizer closing switch according to claim 1, characterized in that: It also includes a driving motor, which is installed at the rear end of the fuselage and can be detachably connected to the transmission assembly, and is used to drive the movement to rotate through the transmission assembly.

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