Dental laser with atomizing head

Abstract

The invention relates to the field of dental equipment, in particular to a dental laser with an atomizing head, which comprises an L-shaped handle, a sealing disc and an atomizing mechanism, a mounting cavity is formed in one end of the L-shaped handle, a positioning column is coaxially arranged in the mounting cavity, and a positioning groove for placing the laser head is formed in the positioning column; the sealing disc is coaxially arranged at the opening end of the mounting cavity, and a gas channel and a liquid channel are further formed in the upper portion of the L-shaped handle; the atomizing mechanism comprises a hollow ring which is coaxially and rotatably arranged in the mounting cavity; an annular liquid inlet groove and an annular air inlet groove are formed in the hollow ring, and an inverted-eight-shaped drainage plate is arranged in the hollow ring. An annular opening is formed in the bottom of the hollow ring, an annular sliding groove is formed in the sealing disc, a connecting ring capable of synchronously rotating along with rotation of the hollow ring is arranged in the annular sliding groove, and a plurality of spraying holes are formed in the connecting ring in the circumferential direction. Through the rotating connecting ring, the coverage area of water mist is increased, and the atomization effect of the water mist is improved through the drainage plate.

Description

Technical Field

[0001] This invention relates to the field of dental equipment, and more specifically, to a dental laser with an atomizing head. Background Technology

[0002] A dental laser is a medical device that uses narrow-directional light radiation to affect oral tissues. It is used to remove cavities, cysts, clean plaque, and perform other tasks; it requires an atomizing head to operate.

[0003] Chinese Patent CN118078484A discloses a laser atomizing head that sprays water mist at an angle and a dental laser, relating to the field of dental laser technology. In one aspect, a laser atomizing head that sprays water mist at an angle includes a head, within which a laser working tip is provided. The head has a mounting cavity and a water passage and an air passage connected to the mounting cavity. A water mist nozzle is provided within the mounting cavity, and the laser working tip passes through the water mist nozzle. The water mist nozzle has a water mist channel whose extension path intersects with the laser path emitted by the laser working tip. In another aspect, a dental laser includes a body, with the aforementioned laser atomizing head that sprays water mist at an angle located at the end of the body. The body has a water pipe extending into the water passage and an air pipe extending into the air passage.

[0004] In this patent, the way the water mist channel is set up may result in blind spots in the liquid spraying, leading to incomplete cooling; and the limited contact range between the gas and the liquid in the atomization chamber may result in a low degree of atomization, thus affecting the cooling effect. Summary of the Invention

[0005] The main objective of this invention is to provide a dental laser with an atomizing head, which increases the coverage area of ​​the water mist through a rotating connecting ring and improves the atomization effect of the water mist through a drainage plate.

[0006] To achieve the above objectives, the present invention provides a dental laser with an atomizing head, comprising an L-shaped handle, a sealing plate, and an atomizing mechanism; one end of the L-shaped handle is provided with a cylindrical mounting cavity, and a positioning post is coaxially disposed within the mounting cavity, with a positioning groove on the positioning post for placing the laser head; the sealing plate is coaxially disposed at the opening end of the mounting cavity, and the end of the L-shaped handle away from the mounting cavity is provided with a gas channel and a liquid channel communicating with the mounting cavity; the atomizing mechanism is disposed within the mounting cavity and enables the gas and liquid entering the mounting cavity to atomize through mutual impact; the atomizing mechanism includes a hollow ring coaxially rotatably disposed within the mounting cavity, the hollow ring being horizontal. In the configuration, the hollow ring has an annular liquid inlet groove and an annular air inlet groove near the inner and outer walls of its top. Multiple inclined plates are circumferentially arranged within both the annular liquid inlet groove and the annular air inlet groove, forming a 30-60° angle with the radial direction of the hollow ring. An inverted octagonal guide plate is located inside the hollow ring. An annular opening is located at the bottom of the hollow ring, and an annular groove is provided on the sealing disc. A connecting ring that rotates synchronously with the hollow ring is located within the annular groove, and multiple injection holes are circumferentially arranged on the connecting ring. An obstacle hole for the laser head to pass through is located at the center of the sealing disc, and the obstacle hole is coaxially corresponding to the positioning groove.

[0007] Preferably, the two diversion plates are provided with annular mesh covers at their opposite ends. The two annular mesh covers are coaxial and corresponding with a distance of 5-10 mm. The mesh holes of the annular mesh covers are frustoconical in shape, and the ends with the larger diameter of the two corresponding mesh holes are far apart from each other.

[0008] Preferably, an inverted Y-shaped sputtering plate is also provided between the two diversion plates. The top of the sputtering plate is located between the two annular mesh covers, and multiple protruding particles are provided on the outer walls of the two sides of the sputtering plate near the corresponding annular mesh covers.

[0009] Preferably, the atomizing mechanism further includes an annular gathering cover; the cross-section of the annular gathering cover is an inverted isosceles trapezoid, the annular gathering cover is fixedly disposed at the bottom of the hollow ring and coaxially corresponding to the annular opening, the bottom of the annular gathering cover is fixedly connected to the top of the connecting ring, and the inner wall of the annular gathering cover is provided with a plurality of annular sputtering grooves for dispersing water mist, the cross-section of the annular sputtering grooves is a right-angled triangle.

[0010] Preferably, the outer wall of the annular gathering cover is uniformly provided with a plurality of protrusions, and a plurality of striking balls are fixedly provided on the side of the sealing disc facing the mounting cavity by a plurality of elastic rods. The elastic rods are arranged along the circumference of the sealing disc and located on both sides of the annular gathering cover. The striking balls are in contact with the outer wall of the annular gathering cover, and the striking balls are adapted to the protrusions to realize intermittent striking of the annular gathering cover.

[0011] Preferably, the cross-sections of the gas channel and the liquid channel are both inverted isosceles trapezoids, and the cross-sectional area of ​​the gas channel and the liquid channel near the mounting cavity is smaller than the cross-sectional area away from the mounting cavity.

[0012] Preferably, an annular lighting lamp is fixedly installed on the side of the sealing disc away from the mounting cavity. The lighting lamp is arranged coaxially with the clearance hole, and the illumination direction of the lighting lamp is towards the working end of the laser head.

[0013] Preferably, the outer peripheral wall of the sealing disc is provided with external threads, the inner wall of the opening end of the mounting cavity is provided with internal threads, the sealing disc and the L-shaped handle are connected by threaded sealing, and the mating surface of the sealing disc and the mounting cavity is provided with an annular sealing gasket.

[0014] The advantages of this application compared to the prior art are: 1. This application utilizes the cooperation between the connecting ring and the hollow ring. When the connecting ring rotates, the spray holes on the connecting ring allow water mist to fully cover the laser processing area, thereby ensuring a cooling effect.

[0015] 2. This application, through the cooperation of a hollow ring, a sputtering plate, and an annular converging hood, enables water mist to sequentially contact the guide plate, the sputtering plate, and the annular converging hood, thereby allowing the water mist to be impacted multiple times and improving the atomization effect of the water mist.

[0016] 3. This application, through the combination of a striking ball and an annular converging shroud, enables the striking ball to strike the annular converging shroud, thereby further dispersing and sputtering the water mist in contact with the annular sputtering groove, making it easier for the water mist to be blown by the gas. Attached Figure Description

[0017] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention, making other features, objects, and advantages of the invention more apparent. The illustrative embodiments of the invention illustrated in the drawings and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings: Figure 1 This is the three-dimensional representation of the present invention. Figure 1 ; Figure 2 This is a side view of the present invention; Figure 3 yes Figure 2 A planar sectional view along the AA direction; Figure 4 yes Figure 3 Enlarged view of a section at point B in the middle; Figure 5 This is a partial exploded perspective view of the present invention.

[0018] The numbers in the above figure are: 1-L-shaped handle; 11-Mounting cavity; 12-Positioning post; 121-Positioning groove; 13-Gas passage; 14-Liquid passage; 2-Sealing disc; 21-Annular groove; 22-Connecting ring; 23-Injection hole; 24-Allowing hole; 25-Elastic rod; 26-Striking ball; 27-Lighting lamp; 3-Atomizing mechanism; 31-Hollow ring; 311-Annular liquid inlet groove; 312-Annular air inlet groove; 313-Annular opening; 32-Inclined plate; 33-Draining plate; 331-Annular mesh cover; 332-Sputtering plate; 34-Annular gathering cover; 341-Annular sputtering groove; 342-Protrusion. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0020] See Figures 1 to 5 As shown, a dental laser with an atomizing head includes an L-shaped handle 1, a sealing plate 2, and an atomizing mechanism 3. One end of the L-shaped handle 1 has a cylindrical mounting cavity 11, within which a positioning post 12 is coaxially arranged. The positioning post 12 has a positioning groove 121 for placing the laser head. The sealing plate 2 is coaxially arranged at the opening end of the mounting cavity 11. The end of the L-shaped handle 1 away from the mounting cavity 11 has a gas channel 13 and a liquid channel 14 communicating with the mounting cavity 11. The atomizing mechanism 3 is disposed within the mounting cavity 11 and enables the gas and liquid entering the mounting cavity 11 to atomize through mutual impact. The atomizing mechanism 3 includes a hollow ring 31 coaxially rotatably disposed within the mounting cavity 11. The hollow ring 31 is horizontally positioned, with its top... The inner and outer walls of the cavity are respectively provided with annular liquid inlet grooves 311 and annular air inlet grooves 312. Both annular liquid inlet grooves 311 and annular air inlet grooves 312 are provided with multiple inclined plates 32 circumferentially arranged. The inclined plates 32 form an angle of 30-60° with the radial direction of the hollow ring 31. The hollow ring 31 is provided with an inverted octagonal guide plate 33. The bottom of the hollow ring 31 is provided with an annular opening 313. The sealing disk 2 is provided with an annular sliding groove 21. The annular sliding groove 21 is provided with a connecting ring 22 that can rotate synchronously with the rotation of the hollow ring 31. The connecting ring 22 is provided with multiple injection holes 23 circumferentially arranged. The center of the sealing disk 2 is provided with a clearance hole 24 for the laser head to pass through. The clearance hole 24 is coaxially corresponding to the positioning groove 121.

[0021] The laser head is mounted on the positioning post 12 via the positioning groove 121. The sealing disc 2 is coaxially and sealingly connected to the opening end of the mounting cavity 11, thereby sealing the opening of the mounting cavity 11. When operation is required, the laser head is powered on, and external gas and liquid enter the mounting cavity 11 through the gas channel 13 and the liquid channel 14, respectively. The liquid channel 14 and the gas channel 13 correspond one-to-one with the annular liquid inlet groove 311 and the annular air inlet groove 312, respectively. Gas and liquid can enter the hollow ring 31 through the annular liquid inlet groove 311 and the annular air inlet groove 312, and are guided by the inverted octagonal guide plate 33, allowing the gas to flow smoothly into the hollow ring 31. The gas and liquid collide with each other, thereby improving the atomization effect. The atomized water mist can enter the corresponding injection hole 23 through the annular opening 313 at the lower end of the hollow ring 31, thereby cooling the laser part. Secondly, due to the setting of the inclined plate 32, the gas and liquid can contact the corresponding inclined plate 32, so that the hollow ring 31 can rotate around its circumference, thereby increasing the contact probability between the liquid and gas in the hollow ring 31 and further improving the atomization effect. Furthermore, the connecting ring 22 can rotate synchronously with the rotation of the hollow ring 31, so that the water mist can fully cover the laser processing area, thereby avoiding the generation of blind spots.

[0022] See Figure 4 As shown, the two diversion plates 33 are provided with annular mesh covers 331 at their opposite ends. The two annular mesh covers 331 are coaxial and corresponding with a distance of 5-10mm. The mesh of the annular mesh cover 331 is frustum shaped, and the ends with the larger diameter of the two corresponding meshes are far apart from each other.

[0023] The two annular mesh covers 331 on the two guide plates 33 correspond one-to-one. When the gas and liquid flow, they can perform secondary distribution of the gas and liquid. The distance between the two annular mesh covers 331 is 5-10mm, which allows the gas and liquid to come into contact and collide when the gas and liquid flow speed is relatively fast, making the gas and liquid more dispersed. Secondly, since the mesh is truncated cone-shaped and the ends of the two annular mesh covers 331 with larger mesh openings are far apart, the gas and liquid can move from the end with the larger mesh diameter to the end with the smaller mesh diameter when flowing, thereby pressurizing the gas and liquid and further increasing the collision speed of the liquid and gas. When the hollow ring 31 rotates, the two annular mesh covers 331 can cut the gas and liquid accordingly, further dispersing them and improving the atomization effect.

[0024] It should be noted that, in this invention, the opposing ends are the ends that are close to each other, and the opposing ends are the ends that are far apart from each other.

[0025] See Figure 4As shown, an inverted Y-shaped sputtering plate 332 is also provided between the two diversion plates 33. The top of the sputtering plate 332 is located between the two annular mesh covers 331. Multiple protruding particles are provided on the outer walls of both sides of the sputtering plate 332 near the corresponding annular mesh cover 331.

[0026] By providing a sputtering plate 332, the gas and liquid located between the two guide plates 33 can be dispersed in a secondary manner. Furthermore, both sides of the sputtering plate 332 are provided with protruding particles, which allow the liquid to collide with the protruding particles during the liquid's fall, thus dispersing the liquid. The dispersed liquid can then come into contact with the gas, thereby improving the atomization effect.

[0027] See Figure 4 As shown, the atomizing mechanism 3 also includes an annular gathering cover 34; the cross-section of the annular gathering cover 34 is an inverted isosceles trapezoidal shape, the annular gathering cover 34 is fixedly installed at the bottom of the hollow ring 31 and coaxially corresponds to the annular opening 313, the bottom of the annular gathering cover 34 is fixedly connected to the top of the connecting ring 22, and the inner wall of the annular gathering cover 34 is provided with a plurality of annular sputtering grooves 341 for dispersing water mist, the cross-section of the annular sputtering grooves 341 is a right-angled triangle shape.

[0028] By providing an annular gathering cover 34, not only can the water mist be guided to enter the spray hole 23 more quickly, avoiding water mist waste, but also the inner wall of the annular gathering cover 34 is provided with multiple annular sputtering grooves 341. The annular sputtering grooves 341 are right-angled triangular in shape, so that the water mist after contacting the sputtering plate 332 can make secondary contact with the annular sputtering grooves 341, thereby making it more atomized and allowing it to be sprayed out of the spray hole 23 more quickly under the propulsion of the gas, improving the atomization effect.

[0029] See Figure 4 and Figure 5 As shown, the outer wall of the annular gathering cover 34 is uniformly provided with a plurality of protrusions 342. The sealing disk 2 facing the mounting cavity 11 is fixedly provided with a plurality of striking balls 26 by a plurality of elastic rods 25. The elastic rods 25 are arranged along the circumference of the sealing disk 2 and are located on both sides of the annular gathering cover 34. The striking balls 26 are in contact with the outer wall of the annular gathering cover 34, and the striking balls 26 are adapted to the protrusions 342 to realize intermittent striking of the annular gathering cover 34.

[0030] To further improve the dispersion of water mist on the annular sputtering tank 341, a striking ball 26 is provided by the elastic rod 25. In the initial state, under the elastic force of the elastic rod 25, the striking ball 26 is in contact with the outer wall of the annular gathering cover 34. As the hollow ring 31 rotates, the annular gathering cover 34 rotates synchronously, and the striking ball 26 can contact the protrusion 342, thereby moving away from the annular gathering cover 34. Subsequently, under the elastic force of the elastic rod 25, the striking ball 26 can strike the annular gathering cover 34, thereby further dispersing and sputtering the water mist in contact with the annular sputtering tank 341, making it easier to be blown by the gas.

[0031] See Figure 4 As shown, the cross-sections of the gas channel 13 and the liquid channel 14 are both inverted isosceles trapezoids, and the cross-sectional area of ​​the gas channel 13 and the liquid channel 14 near the mounting cavity 11 is smaller than the cross-sectional area away from the mounting cavity 11.

[0032] By setting the gas channel 13 and the liquid channel 14 into an inverted isosceles trapezoidal shape, when the gas and liquid enter the hollow ring 31, they can move from the end with a larger cross-sectional area to the end with a smaller moving area, thereby increasing the impact velocity of the gas and liquid in multiple stages and improving the atomization effect.

[0033] See Figure 1 As shown, an annular lighting lamp 27 is fixedly installed on the side of the sealing disk 2 away from the mounting cavity 11. The lighting lamp 27 is coaxially arranged with the clearance hole 24, and the illumination direction of the lighting lamp 27 is towards the working end of the laser head.

[0034] By incorporating an illumination lamp 27 and a power supply terminal on the positioning post 12 for supplying power to the illumination lamp 27, and connecting the sealing disc 2 in the inner wall area of ​​the connecting ring 31 to the power supply terminal, not only can power be supplied to the illumination lamp 27, but the middle area of ​​the sealing disc can also be fixed to prevent it from shaking. When the laser head is working, the light source of the illumination lamp 27 can illuminate the working area of ​​the laser head, thereby facilitating the observation of the laser area by the staff and improving its practicality.

[0035] The outer peripheral wall of the sealing disc 2 is provided with external threads, the inner wall of the opening end of the mounting cavity 11 is provided with internal threads, the sealing disc 2 and the L-shaped handle are connected by threaded sealing, and the mating surface of the sealing disc 2 and the mounting cavity 11 is provided with an annular sealing gasket.

[0036] The threaded sealing connection not only facilitates installation by staff but also allows for inspection and maintenance of the equipment inside the installation cavity 11. At the same time, it also improves the sealing effect and prevents water and gas leakage.

[0037] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A dental laser with an atomizing head, characterized in that, Includes an L-shaped handle, a sealing disc, and an atomizing mechanism; One end of the L-shaped handle is provided with a cylindrical mounting cavity, and a positioning post is coaxially arranged inside the mounting cavity. The positioning post has a positioning groove for placing the laser head. The sealing plate is coaxially arranged at the opening end of the mounting cavity. The end of the L-shaped handle away from the mounting cavity is provided with a gas channel and a liquid channel that communicate with the mounting cavity. The atomizing mechanism is set inside the mounting cavity and enables the gas and liquid entering the mounting cavity to impact and atomize each other; the atomizing mechanism includes a hollow ring that is coaxially rotatably set inside the mounting cavity. The hollow ring is set in a horizontal state. The top of the hollow ring is provided with an annular liquid inlet groove and an annular air inlet groove near the inner and outer walls, respectively. Multiple inclined plates are circumferentially arranged in both the annular liquid inlet groove and the annular air inlet groove. The inclined plates form an angle of 30-60° with the radial direction of the hollow ring. The hollow ring has an inverted octagonal drainage plate inside; the bottom of the hollow ring has an annular opening, and the sealing plate has an annular groove. A connecting ring that can rotate synchronously with the rotation of the hollow ring is installed in the annular groove. The connecting ring has multiple injection holes circumferentially. The center of the sealing plate has a clearance hole for the laser head to pass through, and the clearance hole is coaxially corresponding to the positioning groove.

2. A dental laser with an atomizing head according to claim 1, characterized in that, Two drainage plates are provided with annular mesh covers at their opposite ends. The two annular mesh covers are coaxial and corresponding with a spacing of 5-10 mm. The mesh openings of the annular mesh covers are frustoconical in shape, and the ends with the larger diameter of the two corresponding mesh openings are far apart from each other.

3. A dental laser with an atomizing head according to claim 1, characterized in that, An inverted Y-shaped sputtering plate is also provided between the two diversion plates. The top of the sputtering plate is located between the two annular mesh covers. Multiple protruding particles are provided on the outer walls of the two sides of the sputtering plate near the corresponding annular mesh covers.

4. A dental laser with an atomizing head according to claim 3, characterized in that, The atomizing mechanism also includes a ring-shaped focusing shroud; The annular gathering cover has an inverted isosceles trapezoidal cross-section. The annular gathering cover is fixedly installed at the bottom of the hollow ring and coaxially corresponds to the annular opening. The bottom of the annular gathering cover is fixedly connected to the top of the connecting ring. The inner wall of the annular gathering cover is provided with multiple annular sputtering grooves for dispersing water mist. The cross-section of the annular sputtering groove is a right-angled triangle.

5. A dental laser with an atomizing head according to claim 4, characterized in that, The outer wall of the annular gathering cover is uniformly provided with multiple protrusions. On the side of the sealing disc facing the mounting cavity, multiple striking balls are fixedly provided by multiple elastic rods. The elastic rods are arranged along the circumference of the sealing disc and located on both sides of the annular gathering cover. The striking balls are in contact with the outer wall of the annular gathering cover, and the striking balls are adapted to the protrusions to realize intermittent striking of the annular gathering cover.

6. A dental laser with an atomizing head according to claim 1, characterized in that, Both the gas channel and the liquid channel have inverted isosceles trapezoidal cross-sections, and the cross-sectional area of ​​the gas channel and the liquid channel near the mounting cavity is smaller than the cross-sectional area away from the mounting cavity.

7. A dental laser with an atomizing head according to claim 1, characterized in that, A ring-shaped lighting lamp is fixedly installed on the side of the sealing disc away from the mounting cavity. The lighting lamp is arranged coaxially with the clearance hole, and the lighting direction of the lighting lamp is towards the working end of the laser head.

8. A dental laser with an atomizing head according to claim 1, characterized in that, The outer peripheral wall of the sealing disc is provided with external threads, the inner wall of the opening end of the mounting cavity is provided with internal threads, the sealing disc and the L-shaped handle are connected by threaded sealing, and the mating surface of the sealing disc and the mounting cavity is provided with an annular sealing gasket.

Images