High-speed dental handpiece

Abstract

The utility model relates to the technical field of medical instruments, and provides a high-speed dental handpiece. Comprising a machine head assembly and a handle assembly, the machine head assembly is connected with the handle assembly, and a visualization assembly is arranged on the machine head assembly; wherein a first mounting cavity is formed in a machine head body in the machine head assembly, and an endoscope body in the visual assembly is arranged in the first mounting cavity; the end, close to the machine head body, of a handle body of the handle assembly is provided with a disassembling open groove, and the disassembling open groove extends to the connecting transition position of the handle body and the machine head body. And the first mounting cavity is communicated with the dismounting open groove. The mobile phone has the beneficial effects that the sealing block is arranged on the dismounting slot of the mobile phone, the endoscope body, the front-end flat cable and the connector can be sealed in the handle body, the rotary cover arranged on the handle body in a sleeving manner is arranged outside the sealing block, and the sealing block can be completely exposed or completely covered by the rotation of the rotary cover, so that the sealing effect is further improved.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a high-speed dental handpiece. Background Technology

[0002] Endoscopes are widely used in high-speed dental handpieces. However, in existing high-speed dental handpieces, disposable handpieces need to be replaced after each use. When replacing the handpiece, the endoscope embedded in the head of the high-speed dental handpiece is not convenient for reuse. Furthermore, when designing an endoscope removal structure, the sealing effect of the removal structure affects the user experience of the handpiece.

[0003] Therefore, this utility model is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a high-speed dental handpiece to solve the technical problems existing in the prior art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: a high-speed dental handpiece, comprising: a head assembly and a handle assembly, wherein the head assembly is connected to the handle assembly, and a visualization component is provided on the head assembly;

[0006] The head assembly has a first mounting cavity on its head body, in which the endoscope body of the visualization assembly is disposed; the handle assembly has a disassembly slot at one end of its handle body near the head body, and the disassembly slot extends to the transition point between the handle body and the head body; the first mounting cavity communicates with the disassembly slot.

[0007] A sealing block is provided on the disassembly slot, and a rotating cover is provided on the outside of the sealing block and fitted on the handle body. The rotating cover can be rotated to completely expose or completely cover the sealing block. The rotation axis of the arc-shaped cover of the rotating cover coincides with the central axis of the handle body.

[0008] The endoscope body can be removed from the first mounting cavity and taken out through the disassembly slot.

[0009] In an optional embodiment, the sealing block includes a first sealing portion and a second sealing portion, wherein the width of the first sealing portion is smaller than the width of the second sealing portion; and the front end of the first sealing portion is a bevel.

[0010] In an optional embodiment, a first baffle and a second baffle are provided at the bottom of the first sealing part, and a guide channel is formed between the first baffle and the second baffle.

[0011] In an optional embodiment, the bottom of the first sealing part is further provided with an arc-shaped surface, which extends from one end of the guide channel to the inclined surface.

[0012] In an optional embodiment, a first insert block and a second insert block are respectively provided on both sides of the second sealing part, and a main relief cavity is formed between the first insert block and the second insert block.

[0013] In an optional embodiment, a first clearance cavity is formed inside the first insertion block, and a first limiting block is disposed in the first clearance cavity;

[0014] The second insert has a second clearance cavity inside, and a second limiting block is provided in the second clearance cavity.

[0015] In an optional embodiment, the endoscope body is connected to the female connector of the connector via a front-end ribbon cable, and the female connector of the connector is connected to the rear-end ribbon cable;

[0016] The connection end of the front-end cable is welded to the top of the sub-base, and the sub-base and the female base are detachably connected.

[0017] In an optional embodiment, the two sides of the sub-base are respectively a first connecting portion and a second connecting portion, the first connecting portion being provided with a first limiting hole, and the second connecting portion being provided with a second limiting hole.

[0018] In an optional embodiment, a first contact surface and a second contact surface are formed on both sides of the female seat, respectively.

[0019] The beneficial effects of this utility model are as follows:

[0020] (1) The disassembly slot of the mobile phone is provided with a sealing block, which can seal the endoscope body, front end cable and connector in the handle body. The sealing block is provided with a rotating cover on the handle body. The rotating cover can be rotated to completely expose or completely cover the sealing block, further improving the sealing effect.

[0021] (2) After the handpiece is used, disconnect the male and female connectors, remove the endoscope body from the first mounting cavity, and then remove the integrated endoscope body, front cable and connector by disassembly and slotting; then install the endoscope body, front cable and connector into a new high-speed dental handpiece that does not have an endoscope body. The endoscope body can be reused, saving the cost of use. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 A schematic diagram of the overall structure of a high-speed dental handpiece provided in an embodiment of this utility model. Figure 1 .

[0024] Figure 2 This is a partial structural schematic diagram of a high-speed dental handpiece provided in an embodiment of the present invention.

[0025] Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle.

[0026] Figure 4 A schematic diagram of the overall structure of a high-speed dental handpiece provided in an embodiment of this utility model. Figure 2 .

[0027] Figure 5 This is a schematic diagram of the connector provided in one embodiment of the present invention.

[0028] Figure 6 A schematic diagram of the structure of the head assembly provided in an embodiment of this utility model. Figure 1 .

[0029] Figure 7 A schematic diagram of the structure of the head assembly provided in an embodiment of this utility model. Figure 2 .

[0030] Figure 8 This is a schematic diagram of the nozzle assembly provided in one embodiment of the present invention.

[0031] Figure 9 This is a schematic diagram of the tail connector provided in one embodiment of the present invention.

[0032] Figure 10 A schematic diagram of the overall structure of a high-speed dental handpiece provided in an embodiment of this utility model. Figure 3 .

[0033] Figure 11 This is a schematic diagram of the structure of a rotating cover provided in an embodiment of the present invention.

[0034] Figure 12 A schematic diagram of the structure of a sealing block provided in an embodiment of this utility model. Figure 1 .

[0035] Figure 13 A schematic diagram of the structure of a sealing block provided in an embodiment of this utility model. Figure 2 .

[0036] The attached figures are labeled as follows:

[0037] 1-Head assembly, 11-First mounting cavity, 12-Groove, 13-Second mounting cavity, 14-Output end, 15-Head body;

[0038] 2-Handle assembly, 21-Tail connector, 211-First interface, 212-Second interface, 213-Third interface, 214-Fourth interface, 215-Fifth interface, 22-Handle body, 23-Disassembly slot;

[0039] 3-Visualization component, 31-Endoscope body, 32-Lens, 33-Cover, 34-Support ring, 35-LED light, 36-Rear cable, 37-Front cable, 38-Connector.

[0040] 4- Nozzle assembly, 41- Connecting post, 42- Guide cap, 43- Medium channel, 44- Curved surface.

[0041] 5-Connector, 51-Subsidiary, 511-First limiting hole, 512-Second limiting hole, 513-First connecting part, 514-Second connecting part, 52-Female connector, 521-First contact surface, 522-Second contact surface;

[0042] 6-Rotating cover, 61-Arc-shaped cover body, 62-First convex edge, 63-Second convex edge;

[0043] 7-Sealing block, 71-First sealing part, 711-Arc-shaped surface, 712-Guide channel, 713-Second baffle, 714-First baffle, 72-Second sealing part, 721-First limiting block, 722-Second limiting block, 723-First insert block, 724-Second insert block, 725-First clearance cavity, 726-Second clearance cavity, 727-Main clearance cavity, 73-Inclined surface. Detailed Implementation

[0044] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0045] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be directly or indirectly located on that other component. When a component is referred to as "connected to" another component, it can be directly or indirectly connected to that other component. The terms "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate orientations or positions based on the accompanying drawings, and are for ease of description only, and should not be construed as limiting the technical solution. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. "Multiple" means two or more, and "several" means any number including one, unless otherwise explicitly specified.

[0046] Please see the appendix Figure 1-13 The purpose of this embodiment is to provide a high-speed dental handpiece, including: a head assembly 1 and a handle assembly 2, the head assembly 1 being connected to the handle assembly 2, and a visualization component 3 being provided on the head assembly 1; wherein, the head body 15 of the head assembly 1 has a first mounting cavity 11, and the endoscope body 31 of the visualization component 3 is disposed in the first mounting cavity 11; the handle body 22 of the handle assembly 2 has a disassembly slot 23 at one end near the head body 15, and the disassembly slot 23 extends to the transition point between the handle body 22 and the head body 15; the first mounting cavity 11 communicates with the disassembly slot 23; a sealing block 7 is provided on the disassembly slot 23, and a rotating cover 6 is provided on the outside of the sealing block 7 and fitted on the handle body 22, the rotating cover 6 can be rotated to completely expose or completely cover the sealing block 7; the endoscope body 31 can be removed from the first mounting cavity 11 and taken out through the disassembly slot 23. The disassembly slot 23 of the mobile phone is equipped with a sealing block 7, which can seal the endoscope body 31, the front end cable 37, and the connector 5 in the handle body. The sealing block 7 is also equipped with a rotating cover that is fitted on the handle body 22. The rotating cover 6 can be rotated to completely expose or completely cover the sealing block 7, further improving the sealing effect and facilitating movement and disassembly.

[0047] Specifically, the rotating cover 6 includes an arc-shaped cover body 61, the rotation axis of which coincides with the central axis of the handle body 22; the two ends of the arc-shaped cover body 61 are respectively provided with an outwardly extending first protrusion 62 and a second protrusion 63, the first protrusion 62 and the second protrusion 63 facilitate the rotation of the arc-shaped cover body 61. It should be noted that the arc-shaped cover body 61 matches the external shape of the handle body 22.

[0048] In this embodiment, the sealing block 7 includes a first sealing part 71 and a second sealing part 72. The width of the first sealing part 71 is smaller than the width of the second sealing part 72. The front end of the first sealing part 71 is a slope 73. A first baffle 714 and a second baffle 713 are provided at the bottom of the first sealing part 71, and a guide channel 712 is formed between the first baffle 714 and the second baffle 713. An arc-shaped surface 711 is also provided at the bottom of the first sealing part 71, extending from one end of the guide channel 712 to the slope 73. The arc-shaped surface 711 can fit against the surface of the front-end cable 37, and the front-end cable 37 passes through the guide channel 712, which is conducive to the regular extension of the front-end cable 37 and improves the service life of the front-end cable 37 to a certain extent.

[0049] Furthermore, a first insertion block 723 and a second insertion block 724 are respectively provided on both sides of the second sealing part 72, forming a main clearance cavity 727 between the first insertion block 723 and the second insertion block 724. A first clearance cavity 725 is formed inside the first insertion block 723, and a first limiting block 721 is provided in the first clearance cavity 725; a second clearance cavity 726 is formed inside the second insertion block 724, and a second limiting block 722 is provided in the second clearance cavity 726. The endoscope body 31 is connected to the female connector 51 of the connector 5 via a front end cable 37, and the female connector 52 of the connector 5 is connected to the rear end cable 36; the connecting end 38 of the front end cable 37 is welded to the top of the female connector 51, and the female connector 51 and the female connector 52 are detachably connected. A first connecting part 513 and a second connecting part 514 are respectively provided on both sides of the female connector 51. A first limiting hole 511 is provided on the first connecting part 513, and a second limiting hole 512 is provided on the second connecting part 514. The female connector 52 has a first contact surface 521 and a second contact surface 522 formed on both sides. It should be noted that the first insert 723 contacts and limits the second contact surface 522, and the second insert 724 contacts and limits the first contact surface 521. At this time, the first clearance cavity 725 matches the second connecting part 514, the second clearance cavity 726 matches the first connecting part 513, and the first limiting block 721 is inserted into the second limiting hole 512, and the second limiting block 722 is inserted into the first limiting hole 511, thus completing the connection between the sealing block 7 and the connector 5 and the disassembly slot 23.

[0050] In this embodiment, the endoscope body 31 is connected to the female connector 51 of the connector 5 via a front-end ribbon cable 37, and the female connector 52 is connected to the rear-end ribbon cable 36. The connecting end 38 of the front-end ribbon cable 37 is soldered to the top of the female connector 51, and the female connector 51 and the female connector 52 are detachably connected. There are various ways to detachably connect the female connector 51 and the female connector 52, as long as they are detachably connected and electrically conductive, those skilled in the art can choose according to the actual situation.

[0051] After the handpiece is used, the rotating cover 6 is rotated to fully expose the sealing block 7. The sealing block 7 is removed, and the connection between the male connector 51 and the female connector 52 is disconnected. The endoscope body 31 is then removed from the first mounting cavity 11. The integrated endoscope body 31, front-end cable 37, and male connector 51 are then removed through the disassembly and slotting 23. The endoscope body 31, front-end cable 37, and male connector 51 are then installed into a new high-speed dental handpiece that does not have an endoscope body 31. The endoscope body 31 is inserted into the first mounting cavity 11 of the new disposable handpiece, and the male connector 51 is inserted into the female connector 52 of the new disposable handpiece. The sealing block 7 is then reinstalled, and the rotating cover 6 is rotated to completely cover the sealing block 7. The endoscope body 31 is reusable, saving on usage costs.

[0052] It should be noted that the head assembly 1 is also provided with a nozzle assembly 4. The axis of the nozzle assembly 4 and the visualization assembly 3 are parallel to that of the nozzle assembly 4. The endoscope body 31 of the visualization assembly 3 is positioned facing the output end 14 of the head assembly 1. The nozzle assembly 4 changes the direction and shape of the medium and transmits the medium to the front of the endoscope body 31.

[0053] The nozzle assembly 4 includes a connecting post 41, with a guide cap 42 positioned above it. The diameter of the guide cap 42 is larger than that of the connecting post 41. A slot is formed on the guide cap 42, creating an arc-shaped surface 44 on its inner side. The opening of the slot faces the endoscope body 31. The media channel 43 inside the connecting post 41 extends into the slot. In this embodiment, the medium passing through the nozzle assembly 4 is either gas or liquid. This structure allows the medium to change its flow direction and shape under the action of the arc-shaped surface 44, forming a curtain of air or water of a certain thickness. This curtain covers the entire sapphire lens and adheres to its surface, preventing other impurities from entering the lens area and ensuring a clear field of vision. The connecting post 41 of the nozzle assembly 4 is fixedly installed in the second mounting cavity 13 of the head assembly 1.

[0054] Specifically, the front end of the endoscope body 31 can be inserted into the cover 33, and the end of the cover 33 is a lens 32. The cover 33 and the lens 32 are integrally formed, and multiple LED lights 35 are evenly arranged on the outer periphery of the cover 33. The cover 33 is fixedly connected to the support ring 34, and the support ring 34 is fixedly installed in the top groove 12 of the first mounting cavity 11. The multiple LED lights 35 are fixedly installed on the support ring 34, and after the multiple LED lights 35 are installed, they are located in the top groove 12. Moreover, the cover 33 is opaque, so that the light source generated by the LED lights no longer passes through the sapphire lens, avoiding glare and improving the clarity of the endoscope image.

[0055] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-speed dental handpiece, characterized in that, include: The head assembly (1) and the handle assembly (2) are provided with a visual component (3). The head assembly (1) is connected to the handle assembly (2). The head assembly (1) has a first mounting cavity (11) on its head body (15), and the endoscope body (31) of the visualization assembly (3) is disposed in the first mounting cavity (11); the handle body (22) of the handle assembly (2) has a disassembly slot (23) at one end near the head body (15), and the disassembly slot (23) extends to the connection transition between the handle body (22) and the head body (15); the first mounting cavity (11) communicates with the disassembly slot (23); A sealing block (7) is provided on the disassembly slot (23). A rotating cover (6) is provided on the outside of the sealing block (7) and fitted on the handle body (22). The rotating cover (6) can completely expose or completely cover the sealing block (7) by rotating. The rotation axis of the arc-shaped cover (61) of the rotating cover (6) coincides with the central axis of the handle body (22). The endoscope body (31) can be removed from the first mounting cavity (11) and taken out through the disassembly slot (23).

2. The high-speed dental handpiece as described in claim 1, characterized in that, The sealing block (7) includes a first sealing part (71) and a second sealing part (72), wherein the width of the first sealing part (71) is smaller than the width of the second sealing part (72); the front end of the first sealing part (71) is a slope (73).

3. The high-speed dental handpiece as described in claim 2, characterized in that, The bottom of the first sealing part (71) is provided with a first baffle (714) and a second baffle (713), and a guide channel (712) is formed between the first baffle (714) and the second baffle (713).

4. The high-speed dental handpiece as described in claim 3, characterized in that, The bottom of the first sealing part (71) is also provided with an arc-shaped surface (711), which extends from one end of the guide channel (712) to the inclined surface (73).

5. The high-speed dental handpiece as described in claim 4, characterized in that, The second sealing part (72) is provided with a first insert (723) and a second insert (724) on both sides, and a main relief cavity (727) is formed between the first insert (723) and the second insert (724).

6. The high-speed dental handpiece as described in claim 5, characterized in that, The first insert (723) has a first clearance cavity (725) inside, and a first limiting block (721) is provided in the first clearance cavity (725); The second insert (724) has a second relief cavity (726) inside, and a second limiting block (722) is provided in the second relief cavity (726).

7. The high-speed dental handpiece as described in claim 6, characterized in that, The endoscope body (31) is connected to the female connector (51) of the connector (5) via the front end cable (37), and the female connector (52) of the connector (5) is connected to the rear end cable (36). The connecting end (38) of the front-end cable (37) is welded to the top of the sub-base (51), and the sub-base (51) is detachably connected to the female base (52).

8. The high-speed dental handpiece as described in claim 7, characterized in that, The two sides of the sub-base (51) are a first connecting part (513) and a second connecting part (514), respectively. The first connecting part (513) is provided with a first limiting hole (511), and the second connecting part (514) is provided with a second limiting hole (512).

9. The high-speed dental handpiece as described in claim 7, characterized in that, The female base (52) has a first contact surface (521) and a second contact surface (522) formed on both sides respectively.

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