Motor tail plate fixing structure convenient to disassemble

Abstract

The utility model discloses a motor tail plate fixing structure convenient to disassemble, which comprises a motor, a magnet is arranged in the middle of the tail part of the motor, a lead is arranged far away from the magnet, a fixing structure is arranged outside the tail end of the motor, the tail end of the motor is connected with a tail plate through the fixing structure, and the tail plate is controlled by the motor to be placed outside the motor. The detachable motor tail plate is simple in structure, convenient to operate, maintain and use, detachable and closer to use scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to oral cavity medical field, concretely relates to a motor tail plate fixing structure convenient to dismount. BACKGROUND

[0002] The dental root canal preparation machine is an oral cavity medical instrument for root canal preparation.

[0003] The motor tail plate fixing structure commonly used in the existing market usually fixes the tail plate in the interior of the motor, which is inconvenient for maintenance. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model aims at providing a motor tail plate fixing structure convenient to dismount.

[0005] In order to realize the technical purpose, the utility model provides a motor tail plate fixing structure convenient to dismount, which comprises a motor, a magnet is arranged in the middle of the tail of the motor and a lead wire is arranged away from the magnet, a fixing structure is arranged on the outer tail end of the motor, and a tail plate is connected to the fixing structure through the fixing structure.

[0006] Preferably, the fixing structure comprises a support, a plurality of screw columns are arranged in the circumferential direction of the support, a first groove is formed in the surface of the screw column, and a protrusion higher than the first groove is arranged in the middle of the first groove.

[0007] Preferably, a second groove matched with the diameter of the motor is formed in the bottom surface of the support, an arc-shaped groove is arranged away from the second groove, and a circular hole for the motor magnet to pass through is formed in the second groove.

[0008] Preferably, a welding port is formed in the surface of the tail plate, a half-moon groove matched with the screw column is formed in the periphery of the tail plate, and the tail plate is rotationally matched with the protrusion through a bolt to be tightly fixed on the surface of the support.

[0009] Preferably, the lead wire of the motor passes through the arc-shaped groove and is welded to the tail plate, and the tail end of the motor is fixed to the support through a screw.

[0010] Preferably, a chamfer is formed in the surface of the second groove, and a root cleaning groove is arranged in the inner bottom wall of the second groove.

[0011] The utility model has the advantages that the motor control tail plate is arranged outside the motor, the motor tail plate is fixed to the motor through the support, the structure is simple, operation and maintenance are convenient, the motor tail plate can be dismounted, and the utility model is more suitable for use.

[0012] The motor control tail plate is arranged outside the motor, the motor tail plate is fixed to the motor through the support, the structure is simple, operation and maintenance are convenient, the motor tail plate can be dismounted, and the utility model is more suitable for use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic view of the utility model;

[0014] Figure 2 It is the tail plate structure schematic view of the utility model;

[0015] Figure 3 It is the support piece structure schematic view of the utility model;

[0016] Figure 4 It is the motor structure schematic view of the utility model;

[0017] Figure 5 It is the support piece bottom structure schematic view of the utility model.

[0018] In the drawing: 1, motor 101, magnet 102, lead 2, tail plate 201, recess 202, welding interface 3, support piece 301, screw column 302, first recess 303, protrusion 304, second recess 305, arc-shaped groove 306, round hole 307, root cleaning recess. DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0020] As shown in the figure, the specific embodiment described in the utility model is a motor tail plate fixing structure convenient to disassemble, comprising motor 1, the middle of the tail of motor 1 is provided with magnet 101 and is provided with lead 102 away from magnet 101, the tail end of motor 1 is provided with fixing structure, and tail plate 2 is connected through fixing structure.

[0021] Tail plate 2 is used to control motor 1, magnet 101 is fixedly connected with motor shaft, motor 1 rotates, magnetic field changes, and tail plate 2 has the chip that responds to the change of magnetic field, thereby detecting and controlling the rotating speed.

[0022] Fixing structure includes support piece 3, and the circumferential direction of support piece 3 is provided with multiple screw columns 301, the surface of screw column 301 is provided with first recess 302, the middle of first recess 302 is provided with protrusion 303 higher than first recess 302, the surface of tail plate 2 is provided with half-moon recess 201 matched with screw column 301, and tail plate 2 is fixed on the surface of support piece 3 by the rotation cooperation of bolt and protrusion 303.

[0023] Protrusion 303 is higher than first recess 302, and the thickness of tail plate 2 is slightly thicker than protrusion 303, so that tail plate 2 and support piece 3 are better installed, and first recess 302 is provided to avoid that tail plate 2 cannot be installed in place due to the slight fillet at the root of screw column 301.

[0024] Specifically, three screw columns 301 are arranged in the circumferential direction of the support 3, and semilunar grooves 201 are arranged on the periphery of the tail plate 2 and matched with the outer walls of the screw columns 301, wherein a bolt hole is arranged in the middle of the surface of the protrusion 303 and a bolt is connected to the bolt hole, the tail plate 2 is pressed by rotating the bolt in the bolt hole of the protrusion 303 downward, and the tail plate 2 is fixed to the surface of the support 3.

[0025] A second groove 304 is arranged on the bottom surface of the support 3 and matched with the diameter of the motor 1, an arc-shaped groove 305 is arranged on the support 3 away from the second groove 304, the lead 102 of the motor 1 passes through the arc-shaped groove 305 and is welded to the tail plate 2, a round hole 306 is arranged in the second groove 304 for the magnet 101 of the motor 1 to pass through, and the tail end of the motor 1 is fixed to the support 3 by a screw.

[0026] The surface of the tail plate 3 is provided with a welding port 202 for welding with the lead.

[0027] Specifically, the lead 102 of the tail end of the motor 1 passes through the arc-shaped groove 305, the tail end of the motor 1 is matched with the inner wall of the support 3, two screw holes are respectively and symmetrically arranged in the inner bottom of the second circular groove and the tail end of the motor 1, the screw holes are matched with each other, and the motor 1 is fixed to the support 3 by a connecting bolt.

[0028] The surface of the second groove 304 is provided with a chamfer, and a cleaning groove 307 is arranged on the inner bottom wall of the second groove 304.

[0029] Specifically, the chamfer plays a guiding role in the installation of the motor 1, and the cleaning groove 307 is used for avoiding clearance, so as to avoid that the installation precision is affected due to inaccurate machining, for example, the chamfer is generated.

[0030] Working principle: first, the tail end of the motor 1 is installed to the support 3, the lead 102 passes through the arc-shaped groove 305 of the support 3, is positioned between the two screw holes, and is installed to the screw hole, the positioning and installation of the motor 1 to the support 3 are realized, the tail plate 2 is connected to the screw column 301 of the support 3 by a bolt, the fixation between the tail plate 2 and the support 3 is realized, finally, the motor 1 is welded to the tail plate 2, the tail plate 2 is installed to the outside of the motor 1, the overall structure is simple, the operation and maintenance are convenient, the motor 1 is detachable, and the use scene is closer.

[0031] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any slight modification, equivalent replacement and improvement made according to the technical essence of the present application to the above embodiment shall be included in the protection scope of the technical scheme of the present application.

Claims

1. A detachable motor tailplate fixing structure, comprising a motor (1), wherein a magnet (101) is disposed in the middle of the tail of the motor (1) and a lead wire (102) is disposed away from the magnet (101), characterized in that: The motor (1) has a fixed structure on the outside of its tail end, and a tail plate (2) is connected to the fixed structure.

2. The easily detachable motor tailplate fixing structure according to claim 1, characterized in that: The fixing structure includes a support member (3), and the support member (3) has multiple screw posts (301) arranged in the circumferential direction. A first groove (302) is formed on the surface of the screw post (301), and a protrusion (303) higher than the first groove (302) is provided in the middle of the first groove (302).

3. The easily detachable motor tailplate fixing structure according to claim 2, characterized in that: The bottom surface of the support member (3) is provided with a second groove (304) that is adapted to the diameter of the motor (1). The support member (3) is provided with an arc groove (305) away from the second groove (304). The second groove (304) is provided with a round hole (306) for the magnet (101) of the motor (1) to pass through.

4. The easily detachable motor tailplate fixing structure according to claim 2, characterized in that: The tail plate has a welding port (202) on its surface and a crescent groove (201) around its periphery that matches the screw post (301). The tail plate (2) is pressed and fixed to the surface of the support member (3) by rotating the bolt with the protrusion (303).

5. The easily detachable motor tailplate fixing structure according to claim 3, characterized in that: The lead wire (102) of the motor (1) passes through the arc groove (305) and is welded to the tail plate (2). The tail end of the motor (1) is fixed to the support (3) by screws.

6. The easily detachable motor tailplate fixing structure according to claim 3, characterized in that: The surface of the second groove (304) is chamfered, and the inner bottom wall of the second groove (304) is provided with a root clearing groove (307).

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