Electric broken file taking device

Abstract

The utility model discloses an electric broken file taking device which comprises a shell, and a clamping structure is arranged at the top of the shell. A motor and a transmission structure in transmission connection with the motor are arranged in the shell, and a battery and a control panel which are electrically connected with the motor are further arranged in the shell; the transmission structure comprises a transmission seat, a transmission gear, a transmission nut and a transmission screw rod are arranged in the transmission seat, the transmission gear is arranged on a driving shaft of the motor and is in meshed connection with one end of the transmission nut, one end of the transmission screw rod is in threaded connection with the transmission nut, and the other end of the transmission screw rod is in threaded connection with the transmission nut. The transmission screw rod can move back and forth in the axial direction; the other end of the transmission lead screw corresponds to the clamping structure and can extrude and drive the clamping structure. The transmission lead screw is driven to axially and horizontally move in the mode that the motor drives the gear to conduct transmission, the clamping structure is extruded and driven to achieve clamping and loosening of clamping operation, and the problems that manual force control is not uniform, and manual operation is inconvenient are solved.

Description

Technical Field

[0001] The utility model belongs to the field of dental surgical instruments and relates to an electric file removal device. Background Art

[0002] In dental surgery, the broken file removal device can effectively handle broken or stuck file needles during treatment. It can accurately locate and safely remove broken files, reducing damage to surrounding tissues. It is an indispensable tool in dental surgery.

[0003] At present, all broken file removal devices are operated manually. The clamping operation of the manual broken file removal device requires a long time of clamping action, which is not only extremely physically demanding, but also makes the operation process extremely difficult and inconvenient. What is more noteworthy is that it is difficult to achieve uniform control of the clamping speed during manual clamping, which directly affects the accuracy and stability of the operation.

[0004] Due to laborious operation and uneven speed control, not only work efficiency is reduced, but the risk of operational errors may also increase, affecting the final effect and quality.

[0005] Therefore, it is necessary to improve the existing file removal device to overcome the defects in the prior art. Utility Model Content

[0006] In order to solve the above technical problems, the purpose of the utility model is to provide an electric file removal device which is labor-saving and easy to operate.

[0007] The purpose of the utility model is achieved through the following technical solutions:

[0008] An electric file removal device comprises a housing, a clamping structure is arranged on the top of the housing; a motor and a transmission structure connected to the motor are arranged in the housing, and a battery and a control board electrically connected to the motor are also arranged in the housing;

[0009] The transmission structure includes a transmission seat, in which a transmission gear, a transmission nut and a transmission screw are arranged. The transmission gear is arranged on the driving shaft of the motor, and the transmission gear is meshed and connected with one end of the transmission nut. One end of the transmission screw is threadedly connected with the transmission nut, so that the transmission screw can move forward and backward in the axial direction; the other end of the transmission screw corresponds to the clamping structure and can squeeze and drive the clamping structure.

[0010] As a further improvement of an embodiment of the utility model, an axially distributed internal thread groove is provided in the transmission nut, one end of the transmission screw is inserted from the other end of the transmission nut and an external thread matching the internal thread groove is provided on its surface.

[0011] As a further improvement of an embodiment of the utility model, limit rods are arranged on both sides of the transmission screw, and a horizontal sliding groove for inserting one end of the limit rod is arranged on the transmission seat.

[0012] As a further improvement of an embodiment of the utility model, a steering bearing is arranged in the transmission seat, and the steering bearing is sleeved on the transmission nut.

[0013] As a further improvement of an embodiment of the utility model, one end of the transmission nut is circumferentially provided with a plurality of key slots, and the transmission gear is provided with a plurality of snap-in keys inserted into the key slots.

[0014] As a further improvement of an embodiment of the utility model, a bearing seat is arranged between the transmission seat and the motor, a bearing is arranged in the bearing seat, and the bearing is arranged at the connection between the keyway and the clamping key.

[0015] As a further improvement of an embodiment of the utility model, a motor bracket is arranged in the shell, and the motor is arranged on the motor bracket.

[0016] As a further improvement of one embodiment of the utility model, the shell is composed of an upper shell and a lower shell, and the upper shell and the lower shell are fixedly connected; the rear section of the shell is a battery slot for placing the battery, the middle section of the shell is a motor slot for placing the power supply motor, and the front section of the shell is a transmission slot for placing the transmission structure.

[0017] As a further improvement of an embodiment of the utility model, a guide member is arranged in the shell, the guide member is located at the front end of the transmission seat, and a through hole for the transmission screw to pass through is arranged on the guide member.

[0018] As a further improvement of an embodiment of the utility model, a button electrically connected to the control panel is provided on the shell.

[0019] The above technical solution has the following beneficial effects: the transmission screw is driven to move axially horizontally by the motor-driven gear transmission, and the clamping structure is extruded to realize clamping and loosening, which solves the problems of inconsistent manual force control and inconvenient manual operation, making the operation convenient and reducing the difficulty of getting started. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0021] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0022] Figure 1 The present invention is a three-dimensional structural schematic diagram.

[0023] Figure 2 The utility model is provided with a schematic diagram of a top view structure.

[0024] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure along the AA direction.

[0025] Figure 4 This is a right side structural schematic diagram provided by the utility model.

[0026] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure along the BB direction.

[0027] Figure 6 This is a schematic diagram of the local first state structure provided by the utility model.

[0028] Figure 7 This is a schematic diagram of the local second state structure provided by the utility model.

[0029] Figure 8 The utility model is a schematic diagram of the transmission screw structure.

[0030] Fig. 9 This is a schematic diagram of the transmission nut structure provided by the utility model.

[0031] In the figure: 1-housing; 2-clamping structure; 21-slider; 3-button; 4-battery; 5-motor; 6-control board; 7-transmission seat; 8-steering bearing; 9-transmission screw; 10-transmission nut; 101-keyway; 102-internal thread groove; 103-flange; 11-limiting rod; 12-motor bracket; 13-bearing seat; 14-horizontal slide groove; 15-bearing; 16-transmission gear; 17-guide member. DETAILED DESCRIPTION

[0032] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0033] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0034] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention. Example

[0035] See also Figure 1-Figure 9 As shown, an electric file removal device includes a housing 1, a clamping structure 2 is arranged on the top of the housing 1, a motor 5 and a transmission structure connected to the motor 5 are arranged in the housing 1, and a battery 4 and a control board 6 electrically connected to the motor 5 are also arranged in the housing 1. A button 3 electrically connected to the control board 6 is arranged on the housing 1. The on-site personnel can start or shut down the electric file removal device by pressing the button 3, and drive a pair of clamping claws on the clamping structure 2 to clamp or release. The control board 6 is used to control the power on and off of the motor 5 by the battery 4. When the power is on, the motor 5 is started and in a continuous driving state; when the power is off, the motor 5 stops running.

[0036] Specifically, the housing 1 is composed of an upper housing and a lower housing, which are connected to form a whole by snaps or seals. The rear section of the housing 1 is a battery slot for placing the battery 4, the middle section of the housing 1 is a motor slot for placing the power supply 5, and the front section of the housing is a transmission slot for placing the transmission structure. The clamping structure 2 is assembled at the front end (i.e., the top position) of the housing 1, and the buttons 3 are distributed in the front section area of ​​the housing. The on-site personnel hold the device to operate the buttons 3.

[0037] The transmission structure in this embodiment includes a transmission seat 7 fixed in the housing 1, and a transmission gear 16, a transmission nut 10 and a transmission screw 9 are arranged in the transmission seat 7. The transmission gear 16 is arranged on the driving shaft of the motor 5, and one end of the transmission nut 10 is circumferentially provided with a plurality of key slots 101, and the transmission gear 16 has a plurality of snap-in keys inserted into the key slots 101, so that the transmission gear 16 is meshed and connected with one end of the transmission nut 10, and the motor 5 can drive the transmission nut 10 to rotate axially.

[0038] An axially distributed internal thread groove 102 is provided in the transmission nut 10, and one end of the transmission screw 9 is inserted from the other end of the transmission nut 10 and provided with an external thread matching the internal thread groove on its surface, so as to realize the threaded connection between the transmission screw 9 and the transmission nut 10. Limit rods 11 are provided on both sides of the transmission screw 9, and a horizontal slide groove 14 for inserting one end of the limit rod 11 is provided on the transmission seat 7. When the motor 5 drives the transmission nut 10 to rotate forward or reverse, the transmission screw 9 is limited by the horizontal slide groove 14 and the limit rod 11, and can only move forward and backward within the range limited by the horizontal slide groove 14.

[0039] When the transmission screw 9 moves forward, it contacts the slider 21 on the clamping structure 2 and pushes the slider 21 forward, so that the pair of clamping claws on the clamping structure 2 are clamped; when the transmission screw 9 moves backward, the slider 21 moves backward under the action of the spring inside the clamping structure 2, so that the pair of clamping claws on the clamping structure 2 are loosened. The clamping structure 2 in this embodiment is a finished product, which is the sleeve part of the root canal file extractor (product model: UDG-QDZ-A) produced by Yirui Company, and belongs to the scope of the prior art.

[0040] Further, a motor bracket 12 is provided in the motor slot of the housing 1, and the motor 5 is fixedly mounted on the motor bracket 12. The motor bracket 12 is customized according to the internal conditions of the motor and the housing 1, and can be more firmly mounted in the housing 1, so that the motor 5 is more firmly mounted.

[0041] A bearing seat 13 is provided between the transmission seat 7 and the motor 5. A bearing 15 is provided in the bearing seat 13. The bearing 15 is provided at the connection between the keyway 101 and the clamping key. The use of the bearing 15 makes the meshing assembly between the transmission nut 10 and the transmission gear 16 more stable, and the power of the motor 5 can be better transmitted to the transmission nut 10.

[0042] Furthermore, a steering bearing 8 is provided in the transmission seat 7 . There are two steering bearings 8 , which are sleeved on both sides of the flange 103 of the transmission nut 10 , so that the transmission nut 10 in the transmission seat 7 can rotate axially more stably.

[0043] Further, a guide member 17 is provided in the housing 1, and the guide member 17 is located at the front end of the transmission seat 7. A through hole for the transmission screw 9 to pass through is provided on the guide member 17, so that the transmission screw 9 can move more stably in the front and rear directions.

[0044] The utility model transmits the power of the motor 5 to the transmission nut 10 through the transmission gear 16, so that the transmission nut 10 rotates forward or reversely, and the transmission screw 9 and the transmission nut 10 form a structure similar to the screw drive, so that the transmission screw 9 moves within the limited range of the horizontal slide 14, and controls the clamping and loosening of the clamping structure 2. The problem of inconsistent manual force control and inconvenient manual operation is solved, and the operation is convenient and the difficulty of getting started is reduced.

[0045] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0046] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0047] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0048] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electric file removal device, comprising a housing, wherein a clamping structure is provided on the top of the housing; characterized in that: The housing is provided with a motor and a transmission structure connected to the motor in a transmission manner, and the housing is also provided with a battery and a control board electrically connected to the motor; The transmission structure includes a transmission seat, in which a transmission gear, a transmission nut and a transmission screw are arranged. The transmission gear is arranged on the driving shaft of the motor, and the transmission gear is meshed and connected with one end of the transmission nut. One end of the transmission screw is threadedly connected with the transmission nut, so that the transmission screw can move forward and backward in the axial direction; the other end of the transmission screw corresponds to the clamping structure and can squeeze and drive the clamping structure.

2. The electric file removal device according to claim 1, characterized in that: An axially distributed internal thread groove is arranged in the transmission nut, one end of the transmission screw is inserted from the other end of the transmission nut and an external thread matching the internal thread groove is arranged on its surface.

3. The electric file removal device according to claim 1, characterized in that: Limiting rods are arranged on both sides of the transmission screw rod, and a horizontal sliding groove for inserting one end of the limiting rod is arranged on the transmission seat.

4. The electric file removal device according to claim 3, characterized in that: A steering bearing is arranged in the transmission seat, and the steering bearing is sleeved on the transmission nut.

5. The electric file removal device according to claim 1, characterized in that: One end of the transmission nut is circumferentially provided with a plurality of key slots, and the transmission gear is provided with a plurality of clamping keys inserted into the key slots.

6. The electric file removal device according to claim 5, characterized in that: A bearing seat is arranged between the transmission seat and the motor, a bearing is arranged in the bearing seat, and the bearing is arranged at the connection point between the key slot and the clamping key.

7. The electric file removal device according to claim 1, characterized in that: A motor bracket is arranged in the shell, and the motor is arranged on the motor bracket.

8. The electric file removal device according to claim 1, characterized in that: The shell is composed of an upper shell and a lower shell, and the upper shell and the lower shell are fixedly connected; the rear section of the shell is a battery slot for placing a battery, the middle section of the shell is a motor slot for placing a power supply motor, and the front section of the shell is a transmission slot for placing a transmission structure.

9. The electric file removal device according to claim 1, characterized in that: A guide piece is arranged in the shell body, the guide piece is located at the front end of the transmission seat, and a through hole for the transmission screw rod to pass through is arranged on the guide piece.

10. The electric file removal device according to claim 1, characterized in that: The shell is provided with a button electrically connected to the control panel.

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