CN210060520U

CN210060520U - Knife handle convenient for adjusting internal clearance

Info

Publication number: CN210060520U
Application number: CN201920688349.7U
Authority: CN
Inventors: 陈文泉
Original assignee: DONGGUAN KAILONG INDUSTRIAL Co Ltd
Current assignee: DONGGUAN KAILONG INDUSTRIAL Co Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-02-14
Anticipated expiration: 2029-05-15

Abstract

The utility model provides a handle of a knife convenient to adjust internal clearance, decide meson including chuck, handle of a knife body, chuck seat, back lid, adjustable ring and chuck, the chuck arrange inside the chuck seat in, the adjustable ring through combine with chuck seat rear portion, stable the chuck, the adjustable ring front end be equipped with inside sunken step, the middle part is equipped with outside bellied backstop strip, the inside accommodation space of placing the adjustable ring that is equipped with of handle of a knife body, leave the regulation clearance between the backstop strip of handle of a knife body and adjustable ring. The novel adjustable cutter is provided with the adjustable ring, and the tightness of the cutter can be set and adjusted by using the adjustable ring so as to prevent the cutter from being stuck; the adjusting ring is provided with the step, so that certain space ventilation can be ensured during rotation adjustment, and the problem that one side is subjected to resistance due to overhigh air pressure is solved; a gap is reserved between the stop strip and the cutter handle body after assembly, so that the gap of the adjusting ring can be adjusted more conveniently.

Description

Knife handle convenient for adjusting internal clearance

Technical Field

The utility model relates to a motor shaft field, in particular to electric axis cutter.

Background

The common multiple problems of electric main shaft cutter, the circumstances such as the clamping unstability that the cutter was made, it is ubiquitous to the unstable phenomenon of clamping, this is mainly because the adjustable ring needs to leave little gap with between the chuck to reach mutual pressfitting, nevertheless also because this gap reason makes clamping process appear the left and right deviation, leads to product manufacturing difficulty, precision not high. The existing solution is to reduce the pressing amount of the spring to be removed by adjusting the nut on the clamp spring, but for adjustment, the whole tool needs to be dismantled to realize, and the disassembly and the assembly are inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at the not enough of prior art, provide the to-be-solved technical problem of the utility model is to provide a handle of a knife structure that is convenient for need not wholly demolish can carry out the cutter and adjust.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

handle of a knife convenient to adjust internal clearance, including chuck, handle of a knife body, chuck seat, back lid and chuck decide meson, the chuck arrange inside the chuck seat in, it still includes the adjustable ring, the adjustable ring through combine with chuck seat rear portion, stabilize the chuck, the adjustable ring front end be equipped with inside sunken step, the middle part is equipped with outside bellied backstop strip, the inside accommodation space that places the adjustable ring that is equipped with of handle of a knife body, leave the regulation clearance between the backstop strip of handle of a knife body and adjustable ring.

As a further description of the above knife handle convenient for adjusting the internal clearance, the rear portion of the knife handle body is combined with the rear cover, and the front end of the rear cover abuts against one side of the accommodating space in the knife handle body through the adjusting ring.

As a further description of the above knife handle convenient for adjusting the internal clearance, the inside and the outside of the chuck base are respectively provided with an inner snap spring and an outer snap spring, and the inner snap spring and the outer snap spring are located on different vertical planes.

As a further description of the handle convenient for adjusting the internal clearance, the handle body is internally provided with an adjusting screw and an adjusting nut, the rear part of the adjusting ring is provided with an adjusting hole, the adjusting screw is embedded into the adjusting hole and fixed with each other, the adjusting nut and the handle body are connected and fixed, and the adjusting nut and the adjusting screw are matched and fixed with each other.

As a further description of the above knife handle facilitating the adjustment of the internal clearance, the chuck fixing member is disposed inside the chuck base, and a steel ball is disposed between the chuck fixing member and the outer clamp spring.

The utility model has the advantages that: the reinforced adjusting ring is arranged, so that stable manufacturing of precision can be facilitated by the aid of the reinforced adjusting ring, and the chuck is stabilized by the aid of the reinforced adjusting ring, so that left and right deviations of the chuck in production are prevented; a step is arranged in the adjusting ring, the front end of the step is tightly matched with the inner cavity of the tool handle body, and a gap is reserved between the step and the inner cavity of the tool handle body and used for adjusting the shaft core; the rear end of the adjusting ring and the rear cover are provided with a gap with inclination, so that the adjusting ring can conveniently avoid the position space in the adjusting process, and the precision and the stability in the large-batch manufacturing process can be improved.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is another cross-sectional view of the visual system;

FIG. 3 is a block diagram of the adjustment ring;

fig. 4 is an overall structural view.

Detailed Description

The invention is further explained below with reference to the drawings:

in the following embodiments, directional terms such as "up, down, left, and right" are only directions referring to the drawings, and therefore, the directional terms are used for illustration and are not used to limit the present invention.

As shown in fig. 1-4, handle of a knife convenient to adjust internal clearance, including chuck 1, handle of a knife body 2, chuck seat 3, back lid 4 and chuck stator 5, chuck 1 arrange inside chuck seat 3 in, it still includes adjustable ring 6, the adjustable ring through with 3 rear portions of chuck seat combine, stabilize

chuck

1, 6 front ends of adjustable ring be equipped with inside sunken step 61, the middle part is equipped with outside bellied backstop strip 62, handle of a knife body 2 inside be equipped with the accommodation space of placing adjustable ring 6, leave regulation clearance 63 between the backstop strip of handle of a knife body and adjustable ring. The adjusting ring is provided with the step, so that certain space ventilation can be ensured during rotation adjustment, and the problem that one side is subjected to resistance due to overhigh air pressure is solved; a gap is reserved between the stop strip and the cutter handle body after assembly, so that the gap of the adjusting ring can be adjusted more conveniently.

As a further description of the above-mentioned tool holder convenient for adjusting the internal clearance, the rear portion of the tool holder body 2 is combined with the rear cover 4, and the front end of the rear cover is abutted against one side of the accommodating space in the tool holder body through the adjusting ring 6.

As a further description of the tool holder convenient for adjusting the internal clearance, the inside and the outside of the chuck base 3 are respectively provided with an inner snap spring 71 and an outer snap spring 72, and the inner snap spring 71 and the outer snap spring 72 are located on different vertical planes. The arrangement of the inner clamp spring and the outer clamp spring aims at better clamping the chuck base 3 and the chuck.

As a further description of the handle convenient for adjusting the internal clearance, the handle body is further internally provided with an adjusting screw 81 and an adjusting nut 82, the rear part of the adjusting ring is provided with an adjusting hole 9, the adjusting screw is embedded into the adjusting hole 9 and mutually fixed, the adjusting nut 82 is fixedly connected with the inside of the handle body 2, and the adjusting nut and the adjusting screw are mutually matched and fixed. In the adjusting nut, the upper part and the lower part are respectively provided with internal threads and external threads which are respectively combined and fixed with the adjusting screw and the inner side of the knife handle body, and the structure of the adjusting hole can also be effectively matched with the adjusting screw to carry out positioning and locking.

As a further description of the above-mentioned tool shank for conveniently adjusting the internal clearance, the collet 5 is disposed inside the collet base 3, and a steel ball 10 is disposed between the collet 5 and the outer clamp spring 72. The steel ball can avoid the displacement problem caused by the friction between the inner and outer clamp springs and other components.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. Handle of a knife convenient to adjust internal clearance, decide the meson including chuck, handle of a knife body, chuck seat, back lid and chuck, the chuck arrange inside the chuck seat, its characterized in that: the adjustable clamp is characterized by further comprising an adjusting ring, the adjusting ring is combined with the rear portion of the clamp seat to stabilize the clamp, the front end of the adjusting ring is provided with an inward sunken step, the middle portion of the adjusting ring is provided with an outward convex stop strip, the inside of the knife handle body is provided with an accommodating space for placing the adjusting ring, and an adjusting gap is reserved between the knife handle body and the stop strip of the adjusting ring.

2. The tool shank for facilitating adjustment of an internal clearance of claim 1, wherein: the rear part of the knife handle body is combined with the rear cover, and the front end of the rear cover is propped against one side of the accommodating space in the knife handle body through the adjusting ring.

3. The tool shank for facilitating adjustment of an internal clearance of claim 1, wherein: the inside and outside of the chuck base are respectively provided with an inner snap spring and an outer snap spring which are positioned on different vertical planes.

4. The tool shank for facilitating adjustment of an internal clearance of claim 1, wherein: the adjustable screwdriver is characterized in that an adjusting screw and an adjusting nut are further arranged in the screwdriver handle body, an adjusting hole is formed in the rear portion of the adjusting ring, the adjusting screw is embedded into the adjusting hole and fixed to the adjusting hole, the adjusting nut and the screwdriver handle body are connected and fixed to each other, and the adjusting nut and the adjusting screw are matched and fixed to each other.

5. A tool shank to facilitate adjustment of an internal clearance according to claim 3, wherein: the chuck fixing medium is arranged on the inner side of the chuck base, and a steel ball is arranged between the chuck fixing medium and the outer clamp spring.