Root canal washing device

Abstract

The utility model belongs to the technical field of dental instruments, and relates to a root canal washing device which comprises an internal assembly, an integrally-designed shell and a shell end sealing structure arranged on the shell. The shell is further provided with a mounting cavity for mounting the internal assembly, at least part of the internal assembly is detachably connected with the shell, and the shell end sealing structure is detachably connected with an opening of the mounting cavity; a traditional upper shell and lower shell splicing structure is arranged into the integrated shell, the situation of offset between the upper shell and the lower shell can be avoided, meanwhile, at least part of the internal assembly is detachably connected with the shell, the internal assembly is conveniently inserted into the installation cavity and taken out, and disassembly and assembly are easy.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dental instruments, more particularly, to a root canal irrigator. BACKGROUND

[0002] The root canal irrigator is a medical device for endodontic treatment. It uses high-frequency oscillation signals generated by a high-frequency oscillation circuit to excite the working tip to resonate and penetrate into the root canal for cleaning and disinfecting the root canal.

[0003] At present, the shell of the root canal irrigator is basically a split structure, which has a split joint, and problems such as split difference between the upper and lower shells and inconvenient disassembly and assembly. CONTENT OF THE UTILITY MODEL

[0004] The technical problem to be solved by the technical scheme of the present application is the waterproofing problem of the split joint of the root canal irrigator in the prior art.

[0005] To solve the above technical problems, the present application provides a root canal irrigator, which adopts the technical scheme as follows: an internal component, an integrally designed shell, and a shell end sealing structure arranged on the shell.

[0006] The shell is further provided with a mounting cavity for mounting the internal component, at least part of the internal component is detachably connected with the shell, and the shell end sealing structure is detachably connected with the opening of the mounting cavity.

[0007] Further, the internal component is snap-connected with the inner wall of the shell.

[0008] Further, the inner wall of the shell is provided with at least two clamping grooves, the internal component includes a rear shell fixing member, the rear shell fixing member is provided with clamping tongues matched with the clamping grooves, the shell end sealing structure includes a thrust piece, the thrust piece is arranged between the at least two clamping tongues, and the thrust piece is used to keep the clamping tongues embedded in the clamping grooves.

[0009] Further, the shell end sealing structure further includes a rear shell and a fixing member, the rear shell is detachably connected with the shell, one end of the rear shell abuts against the thrust piece, and the fixing member penetrates through the thrust piece to be connected with the rear shell fixing member.

[0010] Further, the shell end sealing structure further includes a first sealing member and a second sealing member, the first sealing member is arranged between the shell and the rear shell, and is used to seal the gap between the shell and the rear shell; the second sealing member is arranged between the fixing member and the rear shell, and is used to seal the gap between the fixing member and the rear shell.

[0011] Further, the root canal washing device further comprises a vibration source, the vibration source comprising an output shaft; the shell is provided with a needle tip hole, the inner component further comprises a front fixing frame, the front fixing frame is provided with a through hole, and the output shaft passes through the through hole and the needle tip hole; the output shaft is arranged on the vibration source, and the front fixing frame is fixedly connected with the vibration source.

[0012] Further, the inner component further comprises a sealing sleeve, and the sealing sleeve is arranged between the output shaft and the inner wall of the shell.

[0013] Further, the sealing sleeve comprises a sealing part arranged on the output shaft; the inner component further comprises a sheath spring, the sheath spring is arranged on the sealing part, and the sealing part is further provided with a flange, and the sheath spring is arranged between the front fixing frame and the flange.

[0014] Further, the inner wall of the shell is provided with a first step structure and a second step structure arranged adjacent to the first step structure, the sealing sleeve is tightly matched with the first step structure, the front fixing frame is provided with a boss which is tightly matched with the second step structure, and the inner component further comprises a sealing vibration isolation ring, the sealing vibration isolation ring is arranged outside the boss and adjacent to the sealing sleeve.

[0015] Further, the sealing vibration isolation ring and the sealing sleeve are provided with elastic convex patterns outside.

[0016] Compared with the prior art, the application has the following beneficial effects: the traditional upper and lower shell splicing structure is arranged as an integrated shell, so that the gap between the upper and lower shells can be avoided, and at least part of the inner component is detachably connected with the shell, so that the inner component is easy to be inserted into the mounting cavity and taken out, and the disassembly and assembly are easy. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the scheme of the application, the drawings needed in the following embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 is an exploded view of the root canal washing device of the embodiment of the application;

[0019] Figure 2 is an exploded view of the inner component;

[0020] Figure 3 is a transverse sectional view of the root canal washing device of the embodiment of the application;

[0021] Figure 4 yes Figure 3 Enlarged diagram of A in the middle;

[0022] Figure 5 This is a longitudinal sectional view of the root canal septic apparatus according to an embodiment of this application;

[0023] Figure 6 yes Figure 5 Enlarged diagram of B in the diagram;

[0024] Figure 7 yes Figure 5 An enlarged diagram of C in the diagram.

[0025] Reference numerals: 1. Vibration source; 2. Internal component; 21. Rear shell fixing member; 211. Tongue; 212. Battery compartment; 11. Output shaft; 23. Front fixing bracket; 231. Through hole; 232. Boss; 24. Sealing bushing; 241. Sealing part; 242. Flange; 25. Sheath spring; 26. Sealing vibration isolation ring; 27. Circuit board; 28. Battery; 3. Outer shell; 31. Pin tip hole; 32. Mounting cavity; 33. Slot; 34. First step structure; 35. Second step structure; 4. Shell end sealing structure; 41. Thrust member; 42. Rear shell; 43. Fixing member; 44. First seal; 45. Second seal; 46. Third seal. Detailed Implementation

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0027] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0028] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

[0029] As attachedFigure 1 To the attached Figure 7 As shown in the figure, a kind of root canal washing device, comprising: internal component 2 and the shell 3 of integrated design and the shell end closure structure 4 set on the shell 3;

[0030] The shell 3 is also provided with mounting cavity 32 for the installation of the internal component 2, at least part of the internal component 2 is detachably connected with the shell 3, and the shell end closure structure 4 is detachably connected with the opening of the mounting cavity 32.

[0031] In the root canal washing device in the embodiment, the traditional upper and lower shell splicing structure is arranged as an integrated shell, which can avoid the occurrence of gap between the upper and lower shells, and at least part of the internal component 2 is detachably connected with the shell 3, so that the internal component 2 is easily inserted into and taken out of the mounting cavity 32, and the root canal washing device is easily disassembled.

[0032] Further, the shell of the root canal washing device is basically an upper and lower shell splicing structure, and there are problems such as unattractive appearance and hand scratching, the integrated shell 3 of the present application improves the appearance of the root canal washing device, the user holds comfortably, avoids the occurrence of hand scratching feeling, and improves the user experience. For the internal component 2, at least part of the internal component 2 is combined to form a whole or all parts are combined to form a whole, which facilitates the whole to be installed into the mounting cavity 32, and of course the parts of the internal component 2 can also be installed into the mounting cavity 32 in sequence.

[0033] As shown in the figure Figure 1 To the attached Figure 4 Further, the internal component 2 is snap-connected with the inner wall of the shell 3, which ensures that the relative position of the internal component 2 in the shell 3 does not change, reduces the shaking of the internal component 2, and the snap-connection is easy to disassemble and easy to operate.

[0034] Further, the inner wall of the shell 3 is provided with at least two clamping grooves 33, the internal component 2 includes a rear shell fixing member 21, the rear shell fixing member 21 is provided with a clamping tongue 211 matched with the clamping groove 33, and the shell end closure structure 4 includes a thrust piece 41, the thrust piece 41 is arranged between the at least two clamping tongues 211, and the thrust piece 41 is used to keep the clamping tongue 211 embedded in the clamping groove 33.

[0035] When the root canal washing device is used, the root canal washing device is in a state of vibration as a whole, so that the internal component 2 is affected by vibration and the position in the shell 3 changes, therefore the thrust piece 41 is arranged to reduce the probability of the clamping tongue 211 falling out of the clamping groove 33, reduce the displacement of the internal component 2 in the shell 3, and affect the use of the root canal washing device.

[0036] In the installation, the inner assembly 2 is pushed into the shell 3, the latch 211 is clamped into the clamping groove 33, and then the thrust piece 41 is installed between the latches 211, that is, the thrust piece 41 provides a thrust to the latches 211 as a limiting structure, so that the latches 211 are always embedded into the clamping groove 33.

[0037] As shown in Figs. 1 to 3, further, the shell end closing structure 4 further comprises a rear shell 42 and a fixing piece 43, the rear shell 42 is detachably connected with the shell 3; one end of the rear shell 42 abuts against the thrust piece 41, and the fixing piece 43 penetrates the thrust piece 41 and is connected with the rear shell fixing piece 21. Figure 1 Figure 5 Figure 7 As shown in Figs. 1 to 3, further, the shell end closing structure 4 further comprises a rear shell 42 and a fixing piece 43, the rear shell 42 is detachably connected with the shell 3; one end of the rear shell 42 abuts against the thrust piece 41, and the fixing piece 43 penetrates the thrust piece 41 and is connected with the rear shell fixing piece 21.

[0038] The fixing piece 43 serves to connect the rear shell 42 and the rear shell fixing piece 21, tightly fixes the rear shell 42 on the shell 3, and abuts against the thrust piece 41 at one end, so as to fix the position of the thrust piece 41, further improving the structural stability of the root canal irrigator.

[0039] Further, the fixing piece 43 is configured as a screw, and the fixing piece 43 is threadedly connected with the thrust piece 41 and the rear shell fixing piece 21.

[0040] As shown in Figs. 1 to 3, further, the shell end closing structure 4 further comprises a rear shell 42 and a fixing piece 43, the rear shell 42 is detachably connected with the shell 3; one end of the rear shell 42 abuts against the thrust piece 41, and the fixing piece 43 penetrates the thrust piece 41 and is connected with the rear shell fixing piece 21. Figure 1 Figure 4 Figure 5 Figure 7 As shown in Figs. 1 to 3, further, the shell end closing structure 4 further comprises a rear shell 42 and a fixing piece 43, the rear shell 42 is detachably connected with the shell 3; one end of the rear shell 42 abuts against the thrust piece 41, and the fixing piece 43 penetrates the thrust piece 41 and is connected with the rear shell fixing piece 21.

[0041] Further, the fixing piece 43 is further sleeved with the third sealing piece 46, and the first sealing piece 44, the second sealing piece 45 and the third sealing piece 46 are configured as sealing rubber rings.

[0042] As shown in Figs. 1 to 3, further, the shell end closing structure 4 further comprises a rear shell 42 and a fixing piece 43, the rear shell 42 is detachably connected with the shell 3; one end of the rear shell 42 abuts against the thrust piece 41, and the fixing piece 43 penetrates the thrust piece 41 and is connected with the rear shell fixing piece 21. Figure 2 Figure 3 Figure 5 Figure 6 ​​​​​​​​As shown, further, the root canal irrigator also comprises a vibration source 1, the vibration source 1 comprising an output shaft 11; the shell 3 is provided with a needle tip hole 31, the internal assembly 2 further comprises a front fixing frame 23, the front fixing frame 23 is provided with a through hole 231, the output shaft 11 passes through the through hole 231 and the needle tip hole 31; the output shaft 11 is arranged on the vibration source 1, and the front fixing frame 23 is fixedly connected with the vibration source 1. The front fixing frame 23 is used for fixing the positions of the output shaft 11 and the vibration source 1 in the shell 3, further reducing the change of the positions of the output shaft 11 and the vibration source 1, and affecting the use of the root canal irrigator.

[0043] Further, during installation, the vibration source 1 and the front fixing frame 23 are fixedly connected, so that the internal assembly 2 is assembled to form an integrated design, then the internal assembly 2 is placed into the shell 3 from the opening of the installation cavity 32, the vibration source 1 passes through the needle tip hole 31, and the installation cavity 32 is closed by the shell end closure structure 4, so as to fix the vibration source 1 and the internal assembly 2 in the shell 3, which facilitates the integral insertion of the internal assembly 2 into the installation cavity 32 and facilitates disassembly.

[0044] As shown in the accompanying drawings, Figure 2 to the accompanying drawings, Figure 3 and the accompanying drawings, Figure 5 to the accompanying drawings, Figure 6 As shown, further, the internal assembly 2 further comprises a sealing shaft sleeve 24, which is arranged between the output shaft 11 and the inner wall of the shell 3. The sealing shaft sleeve 24 is used for sealing the gap between the output shaft 11 and the shell 3, preventing water from seeping in, and solving the problem of the waterproofness of the shell with the upper and lower shell structure in the prior art.

[0045] Further, the sealing shaft sleeve 24 is made of an elastic material, such as silica gel material.

[0046] As shown in the accompanying drawings, Figure 2 to the accompanying drawings, Figure 3 and the accompanying drawings, Figure 5 to the accompanying drawings, Figure 6 As shown, further, the sealing shaft sleeve 24 comprises a sealing portion 241 sleeved on the output shaft 11; the internal assembly 2 further comprises a sheath spring 25, the sheath spring 25 is sleeved on the sealing portion 241, and the sealing portion 241 is further provided with a flange 242, and the sheath spring 25 is arranged between the front fixing frame 23 and the flange 242.

[0047] The sheath spring 25 provides certain damping and sealing effects, reduces the shaking at the output shaft 11, facilitates the more accurate control of the output shaft 11 by the operator, and also makes the operator feel more comfortable during the root canal treatment.

[0048] As shown in the accompanying drawings,Figure 2 to the Figure 3 and the Figure 5 to the Figure 6 As shown, further, the inner wall of the shell 3 is provided with a first step structure 34 and a second step structure 35 adjacent to the first step structure 34, the sealing sleeve 24 is closely matched with the first step structure 34, the front fixed frame 23 is provided with a boss 232 closely matched with the second step structure 35, and the internal assembly 2 further comprises a sealing vibration isolation ring 26, which is sleeved outside the boss 232 and is provided adjacent to the sealing sleeve 24.

[0049] The first step structure 34 cooperates with the sealing sleeve 24 to fix the relative position between the sealing sleeve 24 and the first step structure 34; similarly, the second step structure 35 cooperates with the front fixed frame 23 to fix the relative position between the second step structure 35 and the front fixed frame 23, thereby indirectly fixing the relative position between the second step structure 35 and the output shaft 11 and the vibration source 1, and further reducing the occurrence of position deviation between the internal assembly 2 and the vibration source 1.

[0050] As shown in the Figure 2 to the Figure 3 and the Figure 5 to the Figure 6 As shown, further, the sealing vibration isolation ring 26 and the outside of the sealing sleeve 24 are provided with elastic ridges. The elastic ridges can play a role in closely matching with the shell 3, and also play a role in waterproofing, thereby further improving the waterproofing of the root canal irrigator.

[0051] More specifically, the elastic ridges are tooth-shaped protrusions. The sealing vibration isolation ring 26 and the sealing sleeve 24 are made of silica gel material.

[0052] More specifically, the internal assembly 2 further comprises a circuit board 27 and a battery 28; the circuit board 27 is fixedly connected with the rear shell fixing member 21, the rear shell fixing member 21 is provided with a battery compartment 212, the battery 28 is arranged in the battery compartment 212, the battery compartment 212 is electrically connected with the circuit board 27, the circuit board 27 is communicatively connected with the vibration source 1, the circuit board 27 sends a vibration signal to the vibration source 1, the vibration source 1 vibrates to drive the output shaft 11 to vibrate, thereby cleaning the root canal.

[0053] Obviously, the above-described embodiments are only some embodiments but not all the embodiments of the present application, the preferred embodiments of the present application are shown in the drawings, but do not limit the patent scope of the present application. The present application can be implemented in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent replacements to some technical features therein. Any equivalent structure made by using the content of the specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A root canal irrigator, characterized by, The root canal irrigator comprises: an inner assembly and an integral housing and a shell end closure structure arranged on the housing; the housing is further provided with a mounting cavity for mounting the inner assembly, at least part of the inner assembly is detachably connected with the housing, and the shell end closure structure is detachably connected with an opening of the mounting cavity.

2. The root canal irrigator of claim 1, wherein, The inner assembly is snap-connected with an inner wall of the housing.

3. The root canal irrigator of claim 2, wherein, The inner wall of the housing is provided with at least two clamping grooves, the inner assembly comprises a rear shell fixing member, the rear shell fixing member is provided with clamping tongues matched with the clamping grooves, the shell end closure structure comprises a thrust member, the thrust member is arranged between the at least two clamping tongues, and the thrust member is used for keeping the clamping tongues embedded in the clamping grooves.

4. The root canal irrigator of claim 3, wherein, The shell end closure structure further comprises a rear shell and a fixing member, the rear shell is detachably connected with the housing, one end of the rear shell abuts against the thrust member, and the fixing member penetrates through the thrust member and is connected with the rear shell fixing member.

5. The root canal irrigator of claim 4, wherein, The shell end closure structure further comprises a first sealing member and a second sealing member, the first sealing member is arranged between the housing and the rear shell, and is used for sealing a gap between the housing and the rear shell; the second sealing member is arranged between the fixing member and the rear shell, and is used for sealing a gap between the fixing member and the rear shell.

6. A root canal irrigator according to any one of claims 1-5, characterized in that, The root canal irrigator further comprises a vibration source, the vibration source comprises an output shaft, the housing is provided with a needle tip hole, the inner assembly further comprises a front fixing frame, the front fixing frame is provided with a through hole, the output shaft is arranged through the through hole and the needle tip hole, the output shaft is arranged on the vibration source, and the front fixing frame is fixedly connected with the vibration source.

7. The root canal irrigator of claim 6, wherein, The inner assembly further comprises a sealing sleeve, the sealing sleeve is arranged between the output shaft and an inner wall of the housing.

8. The root canal irrigator of claim 7, wherein, The sealing sleeve comprises a sealing part sleeved on the output shaft, the inner assembly further comprises a sheath spring, the sheath spring is sleeved on the sealing part, the sealing part is further provided with a flange, and the sheath spring is arranged between the front fixing frame and the flange.

9. The root canal irrigator of claim 7, wherein, The inner wall of the housing is provided with a first step structure and a second step structure arranged adjacent to the first step structure, the sealing sleeve is tightly matched with the first step structure, the front fixing frame is provided with a boss tightly matched with the second step structure, the inner assembly further comprises a sealing vibration isolation ring, the sealing vibration isolation ring is sleeved outside the boss and arranged adjacent to the sealing sleeve.

10. The root canal irrigator of claim 9, wherein, The sealing vibration isolation ring and the sealing sleeve are provided with elastic convex patterns outside.

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