Handle and handheld dental medical instrument

Abstract

The utility model belongs to the technical field of dental medical equipment, and relates to a handle which comprises a first shell, a second shell and at least one fixing assembly. The first shell is arranged on the second shell, the butt joint side of the first shell is provided with at least one first connecting piece, and the butt joint side of the second shell is provided with at least one second connecting piece; the fixing assembly comprises a fixing piece, a buckle groove is formed in the fixing piece, and the first connecting piece and the second connecting piece are arranged in the buckle groove from the opposite sides of the fixing piece respectively and fixedly connected with the fixing piece. The utility model further provides a handheld dental medical instrument. According to the technical scheme, the assembling efficiency of the handle and the structural stability after assembling can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dental medical equipment, more particularly, to a handle and a handheld dental medical instrument. BACKGROUND

[0002] In the field of dental medical treatment, various devices are needed for treatment, such as dental cleaning machines, bone knife machines, periodontal treatment instruments, etc. Such devices are usually composed of a handle and a working tip, wherein the handle includes a shell and a battery and a plurality of control circuit boards integrated in the shell.

[0003] In the assembly process of the dental medical equipment, after the installation of the battery and the control circuit board is completed, the shell needs to be assembled. The existing shell is usually assembled by screws to form a complete shell. The assembly process is time-consuming and low in efficiency. CONTENT OF THE UTILITY MODEL

[0004] The technical problem to be solved by the embodiments of the present application is that the assembly of the existing handle shell is time-consuming and low in efficiency.

[0005] In order to solve the above technical problem, the embodiments of the present application provide a handle which adopts the technical scheme as follows:

[0006] A handle includes a first shell, a second shell and at least one fixing assembly.

[0007] The first shell is arranged on the second shell, and the butt joint side of the first shell is provided with at least one first connecting piece, and the butt joint side of the second shell is provided with at least one second connecting piece.

[0008] The fixing assembly includes a fixing piece, and the fixing piece is provided with a buckle groove, and the first connecting piece and the second connecting piece are respectively placed into the buckle groove from the opposite sides of the fixing piece and fixedly connected with the fixing piece.

[0009] Further, the opposite ends of the fixing piece are respectively provided with a first guide inclined surface and a second guide inclined surface.

[0010] The first guide inclined surface and the buckle groove form a first stop platform, the first stop platform abuts against the first connecting piece to realize the fixed connection between the first shell and the fixing piece; and the second guide inclined surface and the buckle groove form a second stop platform, the second stop platform abuts against the second connecting piece to realize the fixed connection between the second shell and the fixing piece.

[0011] Further, the fixing assembly further includes a pressing piece and a locking piece, the pressing piece is arranged on one side of the fixing piece provided with the buckle groove; and the locking piece is connected with the pressing piece and used to drive the pressing piece to move towards one side of the fixing piece.

[0012] Further, the locking piece is a locking screw, the fixing piece is provided with a threaded hole, the locking screw is threadedly matched with the threaded hole, and the end of the locking screw is fixedly connected with the pressing piece through the threaded hole.

[0013] Further, the handle further comprises at least one alignment structure, and the alignment structure is arranged at the opposite side of the first shell and the second shell.

[0014] Further, the alignment structure is an even number.

[0015] A plurality of alignment structures are symmetrically arranged at the abutting sides of the first shell and the second shell.

[0016] Further, the alignment structure comprises an alignment piece and an alignment groove, one of the alignment piece and the alignment groove is arranged at the abutting side of the first shell, and the other is arranged at the abutting side of the second shell.

[0017] Further, the handle further comprises at least two buckle structures, and the number of the at least two buckle structures is an even number.

[0018] A plurality of buckle structures are symmetrically arranged at the abutting sides of the first shell and the second shell.

[0019] Further, the buckle structure comprises a clamping tenon and a clamping groove, one of the clamping tenon and the clamping groove is arranged at the abutting side of the first shell, and the other is arranged at the abutting side of the second shell.

[0020] In order to solve the above-mentioned problems, the embodiment of the present application further provides a handheld dental medical instrument, which adopts the following technical scheme:

[0021] The handheld dental medical instrument comprises the handle as described above.

[0022] Compared with the prior art, the embodiment of the present application has the following beneficial effects:

[0023] The handle provided by the present application strengthens the connection stability of the first shell and the second shell after assembly by arranging the fixing assembly between the first shell and the second shell, and arranging the buckle groove on the fixing piece to be matched with the first connecting piece and the second connecting piece respectively, thereby improving the structural stability and assembly efficiency of the handle. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the scheme of the present application, the drawings required to be used in the following embodiment description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Figure 1 is a structural schematic diagram of a handle of an embodiment of the present application;

[0026] Figure 2 is a structural exploded schematic diagram of a handle of an embodiment of the present application;

[0027] Figure 3 is a partial cutaway schematic diagram of a handle of an embodiment of the present application;

[0028] Figure 4 is a structural schematic diagram of a fixing assembly of an embodiment of the present application;

[0029] Figure 5 is a structural schematic diagram of a fixing member of an embodiment of the present application.

[0030] Reference signs:

[0031] 1, first housing; 11, first connecting member; 2, second housing; 21, second connecting member; 3, fixing assembly; 31, fixing member; 311, buckle groove; 312, first guide inclined surface; 313, second guide inclined surface; 314, threaded hole; 315, first stop platform; 316, second stop platform; 32, pressing member; 33, locking member; 4, alignment structure; 41, alignment member; 42, alignment groove; 5, buckle structure; 51, clamping tenon; 52, clamping groove. DETAILED DESCRIPTION

[0032] 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 in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "include" and "comprise", and variations thereof, are intended to cover a non-exclusive inclusion; the terms "first", "second", and the like, are used to distinguish one element from another, and are not intended to imply a particular order.

[0033] Reference to an "embodiment" herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0034] Referring to Figure 1 , Figure 2 The handle provided by the embodiments of the application comprises a first shell 1, a second shell 2, and at least one fixing assembly 3 connected between the first shell 1 and the second shell 2.

[0035] In the embodiment, the docking side of the first shell 1 refers to a side of the first shell 1 facing the second shell 2, and the docking side of the second shell 2 refers to a side of the second shell 2 facing the first shell 1.

[0036] In some embodiments, the first shell is arranged on the second shell, and in the embodiment, the handle further comprises at least one alignment structure 4 arranged at opposite sides of the first shell 1 and the second shell 2, the first shell 1 and the second shell 2 are guided and connected through the alignment structure 4, and the docking side of the first shell 1 is provided with at least one first connecting piece 11, and the docking side of the second shell 2 is provided with at least one second connecting piece 21.

[0037] In some embodiments, the fixing assembly 3 comprises a fixing piece 31 provided with a buckle groove 311, and the first connecting piece 11 and the second connecting piece 21 are respectively arranged in the buckle groove 311 from opposite sides of the fixing piece 31 and fixedly connected with the fixing piece 31.

[0038] In the embodiment, the number of the first connecting pieces 11, the second connecting pieces 21, and the fixing assemblies 3 is consistent, and one first connecting piece 11 and one second connecting piece 21 are correspondingly inserted into opposite sides of the fixing assembly 3.

[0039] The handle provided by the application plays a guiding role in the assembly of the first shell 1 and the second shell 2 through the arrangement of the alignment structure 4, so as to improve the assembly efficiency of the handle, and the connection stability after the assembly of the first shell 1 and the second shell 2 is strengthened through the arrangement of the fixing assembly 3 and the cooperation of the buckle groove 311 on the fixing piece 31 with the first connecting piece 11 and the second connecting piece 21, so as to improve the structural stability and the assembly efficiency of the handle.

[0040] Referring to Figures 2 to 4As shown in the figure, in some embodiments, the fixing assembly 3 comprises a fixing piece 31, which is provided with a buckle groove 311, and the first connecting piece 11 and the second connecting piece 21 are at least partially placed in the buckle groove 311 and fixedly connected with the fixing piece 31.

[0041] In the embodiment, the end of the first connecting piece 11 is bent at least once to form a first hook portion, and after the end of the first connecting piece 11 is placed in the buckle groove 311, the first hook portion abuts against the side wall of the buckle groove 311, thereby realizing the fixed connection between the first connecting piece 11 and the fixing piece 31.

[0042] The end of the second connecting piece 21 is bent at least once to form a second hook portion, and after the end of the second connecting piece 21 is placed in the buckle groove 311, the second hook portion abuts against the side wall of the buckle groove 311, thereby realizing the fixed connection between the second connecting piece 21 and the fixing piece 31.

[0043] The embodiment of the application realizes the stability of the connection structure between the first connecting piece 11, the second connecting piece 21 and the fixing piece 31 by providing the buckle groove 311 on the fixing piece 31 and cooperating the buckle groove 311 with the end of the first connecting piece 11 and the end of the second connecting piece 21, thereby improving the structural stability of the handle.

[0044] Please refer to Figure 3 , Figure 5 As shown in the figure, in the embodiment, the opposite ends of the fixing piece 31 are respectively provided with a first guide inclined surface 312 and a second guide inclined surface 313.

[0045] Please refer to Figure 5 As shown in the figure, in the embodiment, a first stop table 315 is formed between the first guide inclined surface 312 and the buckle groove 311, the first stop table 315 abuts against the first connecting piece 11, thereby realizing the fixed connection between the first shell 1 and the fixing piece 31; a second stop table 316 is formed between the second guide inclined surface 313 and the buckle groove 311, the second stop table 316 abuts against the second connecting piece 21, thereby realizing the fixed connection between the second shell 2 and the fixing piece 31.

[0046] Please refer to Figure 3As shown, during assembly, the first connecting piece 11 moves along the first guide slope 312 towards the buckle groove 311, the first guide slope 312 guides the first connecting piece 11 to elastically deform inward until the first connecting piece 11 is placed into the buckle groove 311 beyond the first stop table 315, the first barb of the first connecting piece 11 abuts against the first stop table 315, thereby limiting the first connecting piece 11 from being separated from the buckle groove 311, and further achieving the fixed connection between the first shell 1 and the fixing member 31; the second connecting piece 21 moves along the second guide slope 313 towards the buckle groove 311, the second guide slope 313 guides the second connecting piece 21 to elastically deform inward until the second connecting piece 21 is placed into the buckle groove 311 beyond the second stop table 316, the second barb of the second connecting piece 21 abuts against the second stop table 316, thereby limiting the second connecting piece 21 from being separated from the buckle groove 311, and further achieving the fixed connection between the second shell 2 and the fixing member 31.

[0047] The first guide slope 312 and the second guide slope 313 are arranged to guide the first connecting piece 11 and the second connecting piece 21 into the buckle groove 311 respectively, thereby improving the assembly efficiency of the handle.

[0048] Since the fixing assembly 3 and the first connecting piece 11 and the second connecting piece 21 can have relative displacement and relative rotation in the horizontal direction, which can cause unstable connection, in some embodiments, the fixing assembly 3 further comprises a pressing member 32 and a locking member 33.

[0049] The pressing member 32 is arranged on one side of the fixing member 31 where the buckle groove 311 is arranged; the locking member 33 is connected with the pressing member 32 and is used to drive the pressing member 32 to move towards one side of the fixing member 31.

[0050] The pressing member 32 and the locking member 33 are arranged to, after the first connecting piece 11 and the second connecting piece 21 are both placed into the buckle groove 311, drive the pressing member 32 to move towards one side of the fixing member 31 by the locking member 33, thereby pressing the first connecting piece 11 and the second connecting piece 21 in the buckle groove 311, and further improving the connection strength between the first connecting piece 11, the second connecting piece 21 and the fixing member 31, thereby improving the structural stability of the handle.

[0051] Please refer to Figure 4 , Figure 5 In this embodiment, the locking member 33 is a locking screw, the fixing member 31 is provided with a threaded hole 314, the locking screw is threadedly connected with the threaded hole 314, and the end of the locking screw is fixedly connected with the pressing member 32 through the threaded hole 314.

[0052] The locking piece 33 of the embodiment of the present application adopts a locking screw, and through thread cooperation, the compression effect on the first connecting piece 11 and the second connecting piece 21 can be stably improved, so as to ensure that the first connecting piece 11 and the second connecting piece 21 can be stably connected with the fixing piece 31.

[0053] In some embodiments, the fixing assembly 3 is arranged at the end of one side of the handle, in particular, the fixing assembly 3 is arranged at the end of the side of the handle away from the treatment end.

[0054] In the embodiment of the present application, the fixing assembly 3 is arranged at the end of the side of the handle away from the treatment end, which can facilitate the assembly of the fixing assembly 3, the first connecting piece 11 and the second connecting piece 21, improve the assembly efficiency of the handle; in addition, when disassembling, after the assembly of the fixing assembly 3, the first connecting piece 11 and the second connecting piece 21 is disassembled, the first shell 1 and the second shell 2 can be separated from the end, thereby improving the disassembly efficiency of the handle.

[0055] Please refer to Figure 2 In some embodiments, the number of the alignment structures 4 is even; and a plurality of the alignment structures 4 are symmetrically arranged at the abutting positions of the first shell 1 and the second shell 2.

[0056] In the embodiment, the alignment structure 4 includes an alignment piece 41 and an alignment groove 42, one of the alignment piece 41 and the alignment groove 42 is arranged at the abutting side of the first shell 1, and the other is arranged at the abutting side of the second shell 2; in particular, the two sides of the alignment piece 41 form guiding inclined surfaces inclined from the top to the two sides, and the alignment piece 41 can be quickly and accurately aligned with the alignment groove 42 through the cooperation of the guiding inclined surfaces and the alignment groove 42, thereby improving the alignment efficiency of the first shell 1 and the second shell 2.

[0057] In the embodiment of the present application, the even number of alignment structures 4 can ensure that the first shell 1 and the second shell 2 can be accurately abutted when assembled, thereby improving the assembly efficiency of the handle.

[0058] Please continue to refer to Figure 2 In some embodiments, the handle further includes at least two buckle structures 5, and the number of the at least two buckle structures 5 is even; and a plurality of the buckle structures 5 are symmetrically arranged at the abutting positions of the first shell 1 and the second shell 2.

[0059] In the embodiment, the buckle structure 5 comprises a tenon 51 and a slot 52, one of which is arranged on the abutting side of the first shell 1, and the other is arranged on the abutting side of the second shell 2. Specifically, the end of the tenon 51 is bent at least once to form a hook, and the slot 52 is provided with a limiting groove matched with the hook. When the tenon 51 is placed in the slot 52, the hook is matched with the limiting groove, so that the end of the first shell 1 away from the fixing assembly 3 can also be stably connected with the second shell 2.

[0060] The embodiment of the application further sets the buckle structure 5, and the connection stability between the first shell 1 and the second shell 2 is improved by setting the buckle structure 5, so that the structural strength of the handle is improved.

[0061] The embodiment of the application further provides a handheld dental medical instrument, which comprises a working tip and the handle as described above, wherein the working tip is detachably arranged on the treatment end of the handle.

[0062] The handheld dental medical instrument provided by the application uses the buckle groove 311 arranged on the fixing member 31 to be matched with the first connecting member 11 and the second connecting member 21 respectively, so that the connection stability after the first shell 1 and the second shell 2 are assembled is strengthened, and the structural stability and the assembly efficiency of the handle are improved.

[0063] Obviously, the above-described embodiments are only some of the embodiments of the application, but not all the embodiments. The preferred embodiments of the application are shown in the drawings, but the patent scope of the application is not limited. The application can be realized in many different forms, and the purpose of providing these embodiments is to make the disclosure of the application more thorough and comprehensive. Although the application is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features. Any equivalent structure made by referring to the content of the specification and the drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the application.

Claims

1. A handle characterized in that, The handle comprises a first shell, a second shell and at least one fixing assembly; The first shell is arranged on the second shell, and the abutting side of the first shell is provided with at least one first connecting piece, and the abutting side of the second shell is provided with at least one second connecting piece; The fixing assembly comprises a fixing piece, and the fixing piece is provided with a buckle groove, and the first connecting piece and the second connecting piece are respectively arranged in the buckle groove from the opposite sides of the fixing piece and fixedly connected with the fixing piece.

2. The handle of claim 1, wherein The opposite ends of the fixing piece are respectively provided with a first guide inclined surface and a second guide inclined surface; The first guide inclined surface and the buckle groove form a first stop table, the first stop table abuts against the first connecting piece, and the first shell and the fixing piece are fixedly connected; the second guide inclined surface and the buckle groove form a second stop table, the second stop table abuts against the second connecting piece, and the second shell and the fixing piece are fixedly connected.

3. The handle of claim 2, wherein, The fixing assembly further comprises a pressing piece and a locking piece, the pressing piece is arranged on the side of the fixing piece provided with the buckle groove; the locking piece is connected with the pressing piece and used for driving the pressing piece to move towards the side of the fixing piece.

4. The handle of claim 3, wherein The locking piece is a locking screw, the fixing piece is provided with a threaded hole, the locking screw is in threaded connection with the threaded hole, and the end of the locking screw is fixedly connected with the pressing piece through the threaded hole.

5. Handle according to any one of claims 1 to 4, characterized in that The handle further comprises at least one alignment structure, and the alignment structure is arranged at the opposite sides of the first shell and the second shell.

6. The handle of claim 5, wherein The alignment structure is an even number; A plurality of alignment structures are symmetrically arranged at the abutting sides of the first shell and the second shell.

7. The handle of claim 6, wherein The alignment structure comprises an alignment piece and an alignment groove, one of the alignment piece and the alignment groove is arranged at the abutting side of the first shell, and the other is arranged at the abutting side of the second shell.

8. The handle of claim 1, wherein The handle further comprises at least two buckle structures, and the number of the buckle structures is an even number; A plurality of buckle structures are symmetrically arranged at the abutting sides of the first shell and the second shell.

9. The handle of claim 8, wherein, The buckle structure comprises a clamping tenon and a clamping groove, one of the clamping tenon and the clamping groove is arranged at the abutting side of the first shell, and the other is arranged at the abutting side of the second shell.

10. A handheld dental medical instrument, characterized in that, The handle comprises the handle according to any one of claims 1 to 9.

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