CN216247165U

CN216247165U - Root canal file fatigue test device

Info

Publication number: CN216247165U
Application number: CN202122797998.0U
Authority: CN
Inventors: 王勇; 陈军
Original assignee: Suzhou Huarong Medical Instrument Co ltd
Current assignee: Suzhou Huarong Medical Instrument Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the field of root canal file testing, and discloses a root canal file fatigue testing device which comprises a main frame and a hollow auxiliary frame, wherein a guide hole is formed in the top of the main frame, a vertical guide piece in sliding contact with the guide hole is arranged at the bottom of the hollow auxiliary frame, a motor is arranged at the top of the hollow auxiliary frame, a rotary disc is arranged at the shaft end of the motor, a square block is arranged at the end part of the rotary disc, two locking screws are connected to the square block in a threaded manner, a testing block is arranged on the main frame, an arc-shaped hole is formed in the top of the testing block, a matching block is arranged on the main frame, a limiting structure is arranged on the hollow auxiliary frame, the limiting structure is matched with the matching block for use, the limiting structure comprises a main moving piece and an auxiliary moving piece, an inner support is arranged in the hollow auxiliary frame, and a sliding hole is formed in the side surface of the inner support. The utility model has the following advantages and effects: can conveniently fix the root canal file to the test procedure is simple.

Description

Root canal file fatigue test device

Technical Field

The utility model relates to the technical field of root canal file testing, in particular to a root canal file fatigue testing device.

Background

Periapical disease and endodontic disease are common diseases in the stomatology department, preservation of the patient's teeth, pulp is the therapeutic objective of modern dentistry, and root canal therapy is currently the most common and effective treatment. Root canal file is the essential instrument in the root canal therapy process, and a good root canal file needs to possess good cutting performance, chip removal performance and fatigue resistance ability.

Before producing the root canal file among the prior art, need carry out the fatigue test to the root canal file to avoid breaking off when using, but at present be not convenient for fix the root canal file when testing the root canal file, and loaded down with trivial details to the root canal file test procedure, it is inconvenient to use.

Therefore, it is necessary to design a root canal file fatigue testing device which can conveniently fix the root canal file and has a simple testing process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a root canal file fatigue testing device which has the effects of conveniently fixing a root canal file and being simple in testing process.

The technical purpose of the utility model is realized by the following technical scheme: including body frame and cavity auxiliary frame, the guide hole has been seted up at the top of body frame, the bottom of cavity auxiliary frame is provided with the perpendicular guide piece with guide hole sliding contact, the top of cavity auxiliary frame is provided with the motor, the axle head of motor is provided with the carousel, the tip of carousel is provided with the square, threaded connection has two locking screws on the square, be provided with the test piece on the body frame, the arc hole has been seted up at the top of test piece, be provided with the collocation piece on the body frame, be provided with limit structure on the cavity auxiliary frame, limit structure uses with the cooperation of collocation piece.

The utility model is further provided with: the limiting structure comprises a main moving part and an auxiliary moving part, an inner support is arranged in the hollow auxiliary frame, a sliding hole is formed in the side face of the inner support, the main moving part is slidably mounted in the sliding hole, the auxiliary moving part is fixedly arranged at the bottom of the main moving part, a positioning groove is formed in the side face of the matching block, the auxiliary moving part is clamped with the positioning groove, a spring is welded between the main moving part and the side wall of the hollow auxiliary frame, a rotating shaft is rotatably connected to the hollow auxiliary frame, and a cam which is in contact with the main moving part is fixedly arranged at the top end of the rotating shaft.

The utility model is further provided with: the side surface of the vertical guide piece is fixedly provided with a limiting piece, the side wall of the guide hole is provided with a limiting groove, and the bottom of the limiting piece is attached to the inner wall of the bottom of the limiting groove.

Through adopting above-mentioned technical scheme, can carry on spacingly to vertical guide spare.

The utility model is further provided with: the bottom of the square block is provided with a circular groove.

The utility model is further provided with: the test block is located directly below the square.

Through adopting above-mentioned technical scheme, be convenient for test the root canal file.

The utility model is further provided with: the top of the main frame is attached to the hollow auxiliary frame.

Through adopting above-mentioned technical scheme, carry on spacingly to hollow auxiliary frame.

The utility model has the beneficial effects that:

1. according to the utility model, the motor, the square block, the locking screw, the test block and the arc-shaped hole are arranged, the handle part on the root canal file is pressed and fixed through the locking screw, the working part on the root canal file is positioned in the arc-shaped hole, the handle part on the root canal file can be rotated only by starting the motor, the fracture time of the root canal file is recorded, and the test process is simple;

2. according to the utility model, through the arranged limiting structure, only the rotating shaft needs to be rotated, the cam extrudes the main moving part to enable the main moving part to move until the auxiliary moving part moves out of the positioning groove, and at the moment, the hollow auxiliary frame can be pulled up, so that the tested root canal file can be conveniently taken down, and a new root canal file can be installed, and the use is convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a root canal file fatigue testing device provided by the utility model.

Fig. 2 is a schematic cross-sectional structural view of a fatigue testing device for an endodontic file according to the present invention.

Fig. 3 is a schematic view of a portion a of fig. 2.

In the figure, 1, a main frame; 2. a hollow auxiliary frame; 3. a vertical guide member; 4. a limiting member; 5. a motor; 6. a turntable; 7. a square block; 8. locking screws; 9. a test block; 10. an arc-shaped hole; 11. matching blocks; 12. internal bracing; 13. a main moving piece; 14. an auxiliary moving piece; 15. a spring; 16. a rotating shaft; 17. a cam.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1, 2 and 3, the utility model provides a root canal file fatigue testing device, which comprises a main frame 1 and a hollow auxiliary frame 2, wherein the top of the main frame 1 is provided with a guide hole, the bottom of the hollow auxiliary frame 2 is provided with a vertical guide part 3 in sliding contact with the guide hole, the top of the hollow auxiliary frame 2 is provided with a motor 5, the shaft end of the motor 5 is provided with a rotary table 6, the end part of the rotary table 6 is provided with a square block 7, the square block 7 is in threaded connection with two locking screws 8, the main frame 1 is provided with a testing block 9, the top of the testing block 9 is provided with an arc-shaped hole 10, the main frame 1 is provided with a matching block 11, the hollow auxiliary frame 2 is provided with a limiting structure, the limiting structure is matched with the matching block 11 for use, the file handle part on the root canal file is pressed and fixed through the locking screws 8, the working part on the root canal file is positioned in the arc-shaped hole 10, the motor 5 is started, so that the rotary table 6, the square block 7 and the handle part on the root canal file can synchronously rotate, until the root canal file breaks, the time of record test, the convenience carries out fatigue test to the root canal file.

As shown in fig. 2 and 3, the limiting structure comprises a main moving part 13 and an auxiliary moving part 14, an inner support 12 is arranged in the hollow auxiliary frame 2, a sliding hole is formed in the side surface of the inner support 12, the main moving part 13 is slidably mounted in the sliding hole, the auxiliary moving part 14 is fixedly arranged at the bottom of the main moving part 13, a positioning groove is formed in the side surface of the matching block 11, the auxiliary moving part 14 is clamped with the positioning groove, a spring 15 is welded between the main moving part 13 and the side wall of the hollow auxiliary frame 2, a rotating shaft 16 is rotatably connected to the hollow auxiliary frame 2, a cam 17 which is in contact with the main moving part 13 is fixedly arranged at the top end of the rotating shaft 16, after the test is completed, the rotating shaft 16 is rotated, the cam 17 synchronously rotates and presses the main moving piece 13, the main moving piece 13 presses the spring 15 and drives the auxiliary moving piece 14 to move, make the assistance move out the constant head tank 14, can stimulate cavity auxiliary frame 2 this moment, conveniently take off the root canal file and fix new root canal file, it is easy and simple to handle.

According to the illustration in fig. 1, the test block 9 is located right below the block 7, and the top of the main frame 1 is attached to the hollow auxiliary frame 2 to limit the main frame 1.

According to fig. 2 and 3, the side surface of the vertical guide member 3 is fixedly provided with a limiting member 4, the side wall of the guide hole is provided with a limiting groove, the bottom of the limiting member 4 is attached to the inner wall of the bottom of the limiting groove, the vertical guide member 3 can be limited, and the bottom of the block 7 is provided with a circular groove.

The root canal file fatigue testing device provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are set forth only to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A root canal file fatigue test device is characterized by comprising a main frame (1) and a hollow auxiliary frame (2), the top of the main frame (1) is provided with a guide hole, the bottom of the hollow auxiliary frame (2) is provided with a vertical guide piece (3) which is in sliding contact with the guide hole, the top of the hollow auxiliary frame (2) is provided with a motor (5), the shaft end of the motor (5) is provided with a turntable (6), a square block (7) is arranged at the end part of the rotary table (6), two locking screws (8) are connected to the square block (7) in a threaded manner, the main frame (1) is provided with a test block (9), the top of the test block (9) is provided with an arc-shaped hole (10), the main frame (1) is provided with a matching block (11), the hollow auxiliary frame (2) is provided with a limiting structure, and the limiting structure is matched with the matching block (11) for use.

2. The fatigue testing device for the root canal file according to claim 1, wherein the limiting structure comprises a main moving part (13) and an auxiliary moving part (14), an inner support (12) is arranged in the hollow auxiliary frame (2), a sliding hole is formed in the side surface of the inner support (12), the main moving part (13) is slidably mounted in the sliding hole, the auxiliary moving part (14) is fixedly arranged at the bottom of the main moving part (13), a positioning groove is formed in the side surface of the matching block (11), the auxiliary moving part (14) is clamped with the positioning groove, a spring (15) is welded between the main moving part (13) and the side wall of the hollow auxiliary frame (2), a rotating shaft (16) is rotatably connected to the hollow auxiliary frame (2), and a cam (17) in contact with the main moving part (13) is fixedly arranged at the top end of the rotating shaft (16).

3. The fatigue testing device for the root canal file according to claim 1, wherein the side surface of the vertical guide member (3) is fixedly provided with a limiting member (4), the side wall of the guide hole is provided with a limiting groove, and the bottom of the limiting member (4) is attached to the inner wall of the bottom of the limiting groove.

4. The fatigue testing device for the root canal file according to claim 1, wherein the bottom of the square block (7) is provided with a circular groove.

5. A fatigue testing device for an endodontic file according to claim 1, wherein said test block (9) is located right below the block (7).

6. The fatigue testing device for the root canal file according to claim 1, wherein the top of the main frame (1) is attached to the hollow auxiliary frame (2).