Novel dental bent handpiece with measuring and expanding integrated function

Abstract

The utility model relates to a novel dental bent handpiece with an integrated measuring and expanding function, which comprises a main body shell and a handpiece shell connected with the main body shell, an elbow connecting piece is arranged at the end part of the main body shell, a gear shaft fixing piece is arranged in the main body shell, and the elbow connecting piece is propped against the gear shaft fixing piece through a spring thimble and is electrically connected with the gear shaft fixing piece; a machine core clamping ring and a file handle sleeve which are electrically connected are arranged in the machine head shell, the gear shaft fixing piece is electrically connected with the machine core clamping ring, main body insulating layers are arranged between the elbow connecting piece and the main body shell, between the gear shaft fixing piece and the main body shell, and machine head insulating layers are arranged between the machine core clamping ring and the machine head shell and between the file handle sleeve and the machine head shell. According to the novel dental bent handpiece with the measuring and expanding integrated function, provided by the utility model, the bent handpiece is improved from the inside, and root measuring function conduction is integrated in the bent handpiece.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dental instrument technical field, especially a new type has the dental bending handpiece of measuring and expanding integrated function. BACKGROUND

[0002] The existing measuring and expanding integrated root canal preparation machine in the market needs to be connected with a wire and a root canal file during work, or the file clamp fixed on the outside of the bending handpiece can realize the measuring and expanding function, and in order to avoid the short circuit of the root measuring line and the labial hook line, a silica gel sleeve needs to be installed on the outside of the bending handpiece, or the shell material of the bending handpiece is directly changed from metal material to non-conductive plastic material, so that the short circuit problem of the root measuring function is solved, and the bending handpiece is not clean in structure and appearance. SUMMARY

[0003] Therefore, the utility model aims at the shortage of the prior art, and provides a new type of dental bending handpiece with measuring and expanding integrated function, which is improved from the inside to realize the integration of the root measuring function.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A new type of dental bending handpiece with measuring and expanding integrated function, comprising a main body shell and a machine head shell connected thereto, the main body shell is provided with a bend connecting piece at the end, a tooth shaft fixing piece is arranged in the main body shell, the bend connecting piece is abutted to the tooth shaft fixing piece through a spring thimble and is electrically connected thereto, a machine core snap ring and a file handle sleeve electrically connected are arranged in the machine head shell, the tooth shaft fixing piece is electrically connected with the machine core snap ring, a main body insulating layer is arranged between the bend connecting piece, the tooth shaft fixing piece and the main body shell, and a machine head insulating layer is arranged between the machine core snap ring, the file handle sleeve and the machine head shell.

[0006] In order to better realize the utility model, the main body insulating layer is an insulating sleeve in the above structure.

[0007] In order to better realize the utility model, the machine head insulating layer is also an insulating sleeve in the above structure.

[0008] In order to better realize the utility model, the main body insulating layer and the machine head insulating layer are both PEEK material in the above structure.

[0009] In order to better realize the utility model, the main body shell is metal material in the above structure.

[0010] In order to better realize the utility model, the machine head shell is metal material in the above structure.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The novel dental bending handpiece with the measuring and expanding integrated functions provided by the utility model solves the non-integral phenomenon of the measuring and expanding integrated bending handpiece in structure, and the bending handpiece used by the root canal preparation machine with the measuring and expanding integrated functions in the market is more neat and has higher integrity in structure and appearance, is improved in internal structure while retaining the traditional appearance, and uses internal mechanical parts to build a telecommunication signal conduction path, so that the root measuring function conduction is integrated in the bending handpiece. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0014] Figure 1 It is the front view of the dental bending handpiece of the utility model;

[0015] Figure 2 It is Figure 1 the sectional view of A-A in it.

[0016] In the drawing:

[0017] 1-main body shell, 2-machine head shell, 3-bend connecting piece, 4-tooth shaft fixing part, 5-spring thimble, 6-machine core snap ring, 7-file handle sleeve, 8-main body insulating layer, 9-machine head insulating layer. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0019] In the description of the utility model, it needs to explain, unless otherwise stated, the meaning of "a plurality of" is two or more than two;The terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element referred to must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0020] In the description of the utility model, it also needs to explain, unless otherwise stated and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] Please refer to Figure 1 And Figure 2 The utility model provides a novel dental bending handpiece with the functions of measurement and expansion, which comprises a main body shell 1 and a handpiece shell 2 connected thereto, the main body shell 1 is made of metal material, the handpiece shell 2 is made of metal material, the shell made of metal material is more durable, and plays the roles of protection, anti-static and anti-interference. The main body shell 1 is provided with an elbow connecting piece 3 at one end, a tooth shaft fixing piece 4 is arranged in the main body shell 1, the elbow connecting piece 3 is abutted to the tooth shaft fixing piece 4 through a spring thimble 5 and is electrically connected thereto, a movement clasp ring 6 and a file handle sleeve 7 electrically connected are arranged in the handpiece shell 2, the tooth shaft fixing piece 4 is electrically connected with the movement clasp ring 6, main body insulating layers 8 are arranged between the elbow connecting piece 3, the tooth shaft fixing piece 4 and the main body shell 1, movement clasp rings 6, file handle sleeves 7 and handpiece insulating layers 9 are arranged between the main body shell 2, the main body insulating layer 8 is an insulating sleeve, and the handpiece insulating layer 9 is also an insulating sleeve. In the embodiment, the main body insulating layer 8 and the handpiece insulating layer 9 are both made of PEEK material. The application solves the non-integral phenomenon of the measurement and expansion integrated bending handpiece in structure, the bending handpiece used by the root canal preparation machine with the functions of measurement and expansion in the market is more clean and integrated in structure and appearance, retains the traditional appearance while improving the internal structure, uses internal mechanical parts to build a telecommunication signal transmission path, and realizes the integration of root measurement function transmission in the bending handpiece.

[0022] The structure can be specifically divided into three parts, wherein the first part is a conducting part, which is the focus of the application, and a signal conducting path (bend connecting piece 3-spring needle 5-tooth shaft fixing piece 4-core snap ring 6-file handle sleeve 7) is built in the internal mechanical parts, and the root measurement function is integrated in the bend mobile phone;

[0023] The second part is an insulation part, namely the main body insulation layer 8 and the head insulation layer 9, which plays a separating role, insulates the bend mobile phone shell from the measurement conducting structure of the conducting part, and ensures that the conducting structure of the conducting part does not have a short circuit problem;

[0024] The third part is a shell part, including the main body shell 1 and the head shell 2, which mainly plays a protection role, protects the internal parts structure of the bend mobile phone, prevents static electricity, and prevents interference.

[0025] The application optimizes the structure of the root measurement function while ensuring the normal use of the measurement and expansion function and the appearance without obvious change, and further improves the measurement, protection, structural consistency, static electricity prevention and interference prevention.

[0026] The above is only a specific implementation of the application, but the protection scope of the application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the application, which should be covered within the protection scope of the application. Therefore, the protection scope of the application should be subject to the protection scope of the claims.

Claims

1. A novel dental handpiece with integrated measurement and expansion functions, characterized in that: The device includes a main body shell (1) and a head shell (2) connected thereto. The main body shell (1) is provided with an elbow connector (3) at its end. A gear shaft fixing member (4) is provided inside the main body shell (1). The elbow connector (3) is electrically connected to the gear shaft fixing member (4) by a spring pin (5). A core retaining ring (6) and a file handle sleeve (7) are electrically connected inside the head shell (2). The gear shaft fixing member (4) is electrically connected to the core retaining ring (6). A main body insulation layer (8) is provided between the elbow connector (3), the gear shaft fixing member (4) and the main body shell (1). A head insulation layer (9) is provided between the core retaining ring (6), the file handle sleeve (7) and the head shell (2).

2. A novel dental handpiece with integrated measurement and expansion functions according to claim 1, characterized in that: The main insulating layer (8) is an insulating sleeve.

3. A novel dental handpiece with integrated measurement and expansion functions according to claim 2, characterized in that: The head insulation layer (9) is also an insulation sleeve.

4. A novel dental handpiece with integrated measurement and expansion functions according to claim 3, characterized in that: Both the main insulating layer (8) and the head insulating layer (9) are made of PEEK material.

5. A novel dental handpiece with integrated measurement and expansion functions according to claim 1, characterized in that: The main outer shell (1) is made of metal.

6. A novel dental handpiece with integrated measurement and expansion functions according to claim 1, characterized in that: The machine head shell (2) is made of metal.

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