CN209969761U - Rotary hard alloy file - Google Patents

Abstract

The utility model relates to a hard alloy rotary file, which comprises a hand-held ring and a file component, wherein a micro straight cylinder motor is movably connected with a fixed installation edge ring through a screw thread, the motors with different output quantities can be selected and replaced according to different file power requirements, the volume is small, the weight is light, the control can be realized by holding the hand-held ring by a worker, the output end of the micro straight cylinder motor is electrically connected with a rotating shaft, the arrangement of a rotating shaft limiting sleeve can effectively prevent the loosening of the joint, the power output stability is increased, the double insurance of the rotating shaft limiting sleeve and an insulating filling material can prevent the damage of electric power leakage to equipment, the service life of the equipment is prolonged, the rotating shaft drives a wedge-shaped file to rotate, the worker can hold the equipment to move to connect, the object is processed, and a rubber sleeve provides certain buffer force for the processing process of the hard alloy rotary file, avoid wedge file and object to carry out the rigidity contact of continuation, prevent that wedge file from taking place to bend, reinforcing practicality.

Description

Rotary hard alloy file

Technical Field

The utility model belongs to the technical field of the file technique and specifically relates to a rotatory file of carbide.

Background

The file is heat-treated with carbon tool steel T12 or T13 after, again with the work part quenching make, it is a small-size production instrument, a hand tool for filing the work piece, a surface course is done micro-processing to metals, timber, leather, current file adopts the handle to add the structure of file knife face, hold the file by the manpower and continuously give an emergency, process the object surface, the staff holds and sends out the operation inconvenience, current file structure adopts the mode of electronic rotation, convenient operation, but bulky, heavy in weight, the structure mounting is complicated, inconvenient maintenance and change, electric power leaks easily and causes the harm to equipment, long service life, the file carries out the rigidity contact of continuation with the object and easily takes place to bend, the practicality is not strong.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, it is necessary to provide a hard alloy rotary file which has simple structure installation, convenient maintenance and replacement, small volume, light weight, prevents the electric power leakage from damaging the equipment, prolongs the service life of the equipment, avoids the wedge-shaped file from continuously and rigidly contacting with the object, prevents the wedge-shaped file from bending, and enhances the practicability.

The utility model provides a rotatory file of carbide, including hand ring and file subassembly, the surface processing of holding the ring has the frosting, it cup joints on the middle part outer wall of file subassembly to hold the ring fixed, the file subassembly includes wedge file, move the protection lantern ring, the axis of rotation, decide the protection lantern ring, link up the gum cover, link up a section of thick bamboo subassembly, fixed installation arris ring and miniature straight section of thick bamboo motor, the left end portion cross-section of wedge file is square, the right-hand member cross-section of wedge file is circular, the right-hand member portion of wedge file and the one end fixed connection of axis of rotation, the junction cover of wedge file and axis of rotation has the protection lantern ring that moves, move the protection lantern ring and decide the protection lantern ring parallel and level, decide the protection lantern ring fixed mounting in the junction of axis of rotation and linking gum cover, decide the right side outer wall and link up gum cover fixed connection of the protection lantern ring, link up the gum cover and link up a section of, The inner wall of the connecting cylinder shell is fixedly connected with one end of the retainer, the other end of the retainer is fixed on the outer wall of the rotating shaft limiting sleeve, the left end part of the rotating shaft limiting sleeve is connected with the rotating shaft, the right end part of the rotating shaft limiting sleeve is fixedly connected with the fixed mounting edge ring, a threaded hole is formed in the fixed mounting edge ring, and the threaded hole is clamped with the thread on the outer surface of the miniature straight cylinder motor.

Preferably, an insulating filling material is arranged between the rotating shaft limiting sleeve and the inner wall of the connecting cylinder shell.

Preferably, the retainers are provided with four groups, and the four groups of retainers are annularly arranged on the outer wall of the rotating shaft limiting sleeve at equal angles.

Preferably, the engaging rubber sleeve is made of elastic hard colloid material.

Preferably, the output end of the miniature straight-tube motor penetrates through the fixed mounting edge ring to be electrically connected with the rotating shaft in the rotating shaft limiting sleeve.

The hard alloy rotary file is characterized in that the micro straight-tube motor is movably connected with the fixed installation edge ring through threads, the structure installation is simple, the maintenance and the replacement are convenient, the motors with different output quantities can be selected and replaced according to different file power requirements, the practicability is enhanced, the size is small, the weight is light, a worker can control the hard alloy rotary file by holding the hand ring by hand, the output end of the micro straight-tube motor penetrates through the fixed installation edge ring to be electrically connected with the rotating shaft in the rotating shaft limiting sleeve, the rotating shaft limiting sleeve is arranged to effectively prevent the joint from loosening, the power output stability is increased, the rotating shaft limiting sleeve and the insulating filling material are double-insurance, the damage to equipment caused by electric leakage is prevented, the service life of the equipment is prolonged, the rotating shaft drives the wedge-shaped file to rotate, the worker holds the equipment to move to process objects, and the connecting rubber sleeve provides a certain buffer force for the processing process of the hard alloy rotary file, avoid wedge file and object to carry out the rigidity contact of continuation, prevent that wedge file from taking place to bend, reinforcing practicality.

Drawings

Fig. 1 is a schematic view of the overall external structure of an embodiment of the present invention;

fig. 2 is a schematic view of the overall external structure of an embodiment of the present invention;

fig. 3 is a schematic structural view of an engagement cylinder assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of a fixed installation edge ring structure of the embodiment of the present invention.

In the figure: 1. a hand-held ring; 11. sanding surface; 2. a rasp assembly; 21. a wedge-shaped file; 22. a movable protective lantern ring; 23. a rotating shaft; 24. fixing a protective lantern ring; 25. connecting the rubber sleeve; 26. an engagement cylinder assembly; 261. a connecting cylinder shell; 262. a rotating shaft limiting sleeve; 263. a holder; 264. an insulating filler material; 27. fixedly installing a ridge ring; 271. a threaded hole; 28. a miniature straight-tube motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description will be made in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1, a hard alloy rotary file according to an embodiment of the present invention includes a hand ring 1 and a file assembly 2, a frosted surface 11 is formed on an outer surface of the hand ring 1, the hand ring 1 is fixedly sleeved on an outer wall of a middle portion of the file assembly 2, the file assembly 2 includes a wedge-shaped file 21, a movable protection collar 22, a rotation shaft 23, a fixed protection collar 24, a connection rubber sleeve 25, a connection cylinder assembly 26, a fixed installation ridge ring 27 and a micro straight cylinder motor 28, a cross section of a left end portion of the wedge-shaped file 21 is square, a cross section of a right end portion of the wedge-shaped file 21 is circular, a right end portion of the wedge-shaped file 21 is fixedly connected to one end of the rotation shaft 23, the movable protection collar 22 is sleeved at a connection portion of the wedge-shaped file 21 and the rotation shaft 23, the movable protection collar 22 is flush with the fixed protection collar 24, the fixed protection collar 24 is fixedly installed at a connection portion of the rotation shaft 23 and the connection rubber sleeve 25, a right side outer wall of, the connecting rubber sleeve 25 is communicated with the connecting cylinder assembly 26, the connecting cylinder assembly 26 comprises a connecting cylinder shell 261, a rotating shaft limiting sleeve 262, a holding frame 263 and insulating filling materials 264, the inner wall of the connecting cylinder shell 261 is fixedly connected with one end of the holding frame 263, the other end of the holding frame 263 is fixed on the outer wall of the rotating shaft limiting sleeve 262, the left end of the rotating shaft limiting sleeve 262 is connected with the rotating shaft 23, the right end of the rotating shaft limiting sleeve 262 is fixedly connected with a fixed installation edge ring 27, a threaded hole 271 is arranged inside the fixed installation edge ring 27, the threaded hole 271 is clamped with the thread on the outer surface of the miniature straight cylinder motor 28, the insulating filling materials 264 are arranged between the rotating shaft limiting sleeve 262 and the inner wall of the connecting cylinder shell 261, the holding frame 263 is provided with four groups, the four groups of holding frames 263 are annularly arranged on the outer wall of the rotating shaft limiting sleeve 262 at equal angles, the output end of the miniature straight-tube motor 28 passes through the fixed mounting edge ring 27 and is electrically connected with the rotating shaft 23 in the rotating shaft limiting sleeve 262.

The working principle is as follows: miniature straight section of thick bamboo motor 28 passes through screw thread and fixed installation arris ring 27 swing joint, the handheld ring 1 of holding of staff can realize the control to this carbide rotary file, miniature straight section of thick bamboo motor 28's output is passed and is decided installation arris ring 27 and axis of rotation 23 at the inside electric connection of pivot limit sleeve 262, the setting up of pivot limit sleeve 262 prevents effectively that the junction from taking off, pivot limit sleeve 262 and the 264 double insurance of insulating filler material, prevent that electric power leakage from causing the harm to equipment, axis of rotation 23 drives wedge file 21 rotatory, staff's handheld device removes, process the object, link up gum cover 25 and provide certain cushion effect for this carbide rotary file's course of working, avoid wedge file 21 and object to carry out the rigid contact of continuation, prevent that wedge file 21 from taking place to bend.

In summary, the following steps: the hard alloy rotary file has the advantages that the micro straight-tube motor 28 is movably connected with the fixed installation ridge ring 27 through the threads, the structure installation is simple, the maintenance and the replacement are convenient, the motors with different output quantities can be selected and replaced according to different file power requirements, the practicability is enhanced, the size is small, the weight is light, the control on the hard alloy rotary file can be realized by a worker holding the hand holding ring 1, the output end of the micro straight-tube motor 28 penetrates through the fixed installation ridge ring 27 to be electrically connected with the rotating shaft 23 in the rotating shaft limiting sleeve 262, the arrangement of the rotating shaft limiting sleeve 262 effectively prevents the connecting part from loosening, the power output stability is increased, the rotating shaft limiting sleeve 262 and the insulating filling material 264 are double-insurance, the damage to the equipment caused by electric leakage is prevented, the service life of the equipment is prolonged, the rotating shaft 23 drives the wedge-shaped file 21 to rotate, the worker holds the equipment to move, linking up gum cover 25 and providing certain cushion effect for the course of working of this rotatory file of carbide, avoid wedge file 21 and object to carry out the rigidity contact of continuation, prevent that wedge file 21 from taking place to bend, reinforcing practicality.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims (5)

1. A carbide rotary file, includes hand ring (1) and file subassembly (2), its characterized in that: the outer surface of the hand-held ring (1) is processed with a frosted surface (11), the hand-held ring (1) is fixedly sleeved on the outer wall of the middle part of the file assembly (2), the file assembly (2) comprises a wedge-shaped file (21), a movable protection lantern ring (22), a rotating shaft (23), a fixed protection lantern ring (24), a connecting rubber sleeve (25), a connecting cylinder assembly (26), a fixed installation prismatic ring (27) and a micro straight cylinder motor (28), the cross section of the left end part of the wedge-shaped file (21) is square, the cross section of the right end part of the wedge-shaped file (21) is circular, the right end part of the wedge-shaped file (21) is fixedly connected with one end of the rotating shaft (23), the movable protection lantern ring (22) is sleeved at the joint of the wedge-shaped file (21) and the rotating shaft (23), the movable protection lantern ring (22) is flush with the fixed protection lantern ring (24), the fixed protection lantern ring (24) is fixedly installed at the joint of the rotating shaft, decide right side outer wall and the linking gum cover (25) fixed connection of protection lantern ring (24), link up gum cover (25) and link up a subassembly (26) intercommunication, link up a subassembly (26) including linking a section of thick bamboo shell (261), pivot spacing sleeve (262), holder (263) and insulating filler material (264), the inner wall of linking a section of thick bamboo shell (261) and the one end fixed connection of holder (263), the other end of holder (263) is fixed on the outer wall of pivot spacing sleeve (262), the left end portion of pivot spacing sleeve (262) meets with axis of rotation (23), the right end portion and the surely installing arris ring (27) fixed connection of pivot spacing sleeve (262), the inside of surely installing arris ring (27) is equipped with screw hole (271), screw hole (271) and the screw thread block of miniature straight section of thick bamboo motor (28) surface.

2. The rotary hard alloy file according to claim 1, wherein: and an insulating filling material (264) is arranged between the rotating shaft limiting sleeve (262) and the inner wall of the connecting cylinder shell (261).

3. The rotary hard alloy file according to claim 1, wherein: four groups of holding frames (263) are arranged, and the four groups of holding frames (263) are annularly arranged on the outer wall of the rotating shaft limiting sleeve (262) in an equal angle.

4. The rotary hard alloy file according to claim 1, wherein: the connecting rubber sleeve (25) is made of elastic hard rubber materials.

5. The rotary hard alloy file according to claim 1, wherein: the output end of the miniature straight-tube motor (28) penetrates through the fixed mounting edge ring (27) and is electrically connected with the rotating shaft (23) in the rotating shaft limiting sleeve (262).

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