CN213330902U

CN213330902U - Expanding drill bit

Info

Publication number: CN213330902U
Application number: CN202022292086.3U
Authority: CN
Inventors: 方世军; 方哲峰; 俞奇刚
Original assignee: Hangzhou Anka Tools Co ltd
Current assignee: Hangzhou Anka Tools Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-01
Anticipated expiration: 2030-10-15

Abstract

The utility model relates to a reamer bit technical field just discloses a reamer bit, including the drill bit, the right-hand member of drill bit rotates and is connected with the movable sleeve, the handle hole has been seted up on the movable sleeve surface, the inside sliding connection of handle hole has the first in command, the first in command surface is provided with the dog, the quantity of dog is two, two the dog distributes the front and back both sides in handle hole, the front end sliding connection of the first in command has the sliding shaft. This reamer bit, through the second spring to the offset that takes place between first fixed column and the second fixed column carry out shock attenuation and buffering, carry out the second grade shock attenuation to the vibrations that the drill bit takes place at work to weaken the energy of the vibrations that the device produced in the course of the work, and then alleviate the strong tremble sense that the staff produces by the device vibrations at work, increase staff's comfort level, reduce the intensity of labour of arm, improve the work efficiency of reaming work.

Description

Expanding drill bit

Technical Field

The utility model relates to a reamer bit technical field specifically is a reamer bit.

Background

Drilling reaches the processing hole purpose through the drilling on the plane, the reaming is a processing method with the hole expansion on former porose basis, at the in-process of geological exploration, because topography and environment are complicated, some ground conditions on building site often are unsuitable machine and drill and ream, can only the manual work drill and ream, and the reaming drill device of most of current hand-held types, at the during operation, violent tremble and the vibrations sense that the device can produce, lead to the staff when using, often shaken the arm and tingled, the arm is sour and painful, not only make work efficiency low, still make work experience uncomfortable, make the device not humanized extremely enough.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a reaming bit which has simple operation and compact structure, can lighten the strong vibration sense of workers caused by the vibration of the device during the work and the labor intensity of the workers, meanwhile, the comfort in the working process is increased, the device is more humanized, and the like, and the problems that in the geological exploration process, because of the complex terrain and environment, the ground conditions of some construction sites are often not suitable for drilling and reaming by machines, and only manual drilling and reaming can be performed, while the existing hand-held reamer devices, when the device works, severe trembling and vibration feeling can be generated by the device, so that workers are often shaken to make arms numb and aching when using the device, the working efficiency is low, the working experience is extremely uncomfortable, and the device is not humanized.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reamer bit, includes the drill bit, the right-hand member of drill bit rotates and is connected with the movable sleeve, the handle hole has been seted up on the movable sleeve surface, the inside sliding connection in handle hole has the first in command, the first in command surface is provided with the dog, the quantity of dog is two, two the dog distributes both sides around the handle hole, the front end sliding connection in first in command has the sliding shaft, the rear end fixedly connected with third spring of sliding shaft.

Preferably, the ball is inlayed in the right-hand member surface activity of drill bit, the quantity of ball is two, two the ball longitudinal symmetry distributes on the drill bit surface, the rolling groove has been seted up to the inner wall of movable sleeve, the inside in rolling groove is provided with first spring, the quantity of first spring is two, two first spring distributes at the front and back both ends in the inside in rolling groove, the surface of ball is connected with the inner wall rotation in rolling groove.

Preferably, the number of the third springs is two, the two third springs are symmetrically distributed at the front end and the rear end of the sliding shaft, the first fixing column is fixedly connected to the front end of the first handle, the number of the first fixing columns is two, the two first fixing columns are vertically symmetrically distributed on the surface of the front end of the first handle, the front end of the first fixing column is slidably connected with the connecting shaft, and the surface of the connecting shaft is provided with the second spring.

Preferably, the front end of the connecting shaft is connected with a second fixing column in a sliding mode, the front end of the second fixing column is fixedly connected with a second handle, the second handle is provided with a structure the same as that of the first handle, and the second handle is also connected with the inside of the handle hole in a sliding mode.

Preferably, the number of the handle holes is two, and the two handle holes are symmetrically distributed on the surface of the movable sleeve in the front-back direction.

Preferably, the number of the rolling grooves is two, the same structure is arranged in the two rolling grooves, and the two rolling grooves are vertically and symmetrically distributed on the inner wall of the movable sleeve.

(III) advantageous effects

Compared with the prior art, the utility model provides a reamer bit possesses following beneficial effect:

1. the reaming drill bit slides in the handle hole through the first handle and the second handle, the sliding amplitude of the first handle and the sliding amplitude of the second handle are limited through the stop block, when the first handle and the second handle slide, the sliding shaft moves back and forth in the first handle and the second handle, the third springs at the left end and the right end of the sliding shaft are simultaneously extruded, the movement of the sliding shaft is buffered through the third springs, the sliding shaft is prevented from being broken due to stress fatigue in long-time reciprocating motion, the service life of the device is shortened, when the first handle and the second handle move relatively, the first fixed column and the second fixed column move relatively simultaneously, the second spring is used for damping and buffering impact generated between the first fixed column and the second fixed column, secondary damping is performed on vibration generated during the operation of the drill bit, and therefore the energy of the vibration generated during the operation process of the device is weakened, further, the strong vibration sense generated by the vibration of the device during the work of the workers is relieved, the comfort level of the workers is increased, the labor intensity of the arms is reduced, and the working efficiency of the hole expanding work is improved.

2. This reamer bit, rotate at the roll inslot portion through the ball, make the drill bit can rotate at the roll inslot portion, when the ball removes the both ends to the roll groove, ball and first spring contact, compress first spring, and then cushion the ball at the inside motion of roll inslot, and then when the drill bit takes place vibrations and displacement, cushion and the shock attenuation to the drill bit, the vibrations that take place at the work to the drill bit carry out the one-level shock attenuation, thereby weaken the energy of the vibrations that the device produced in the course of the work, and then alleviate the strong tremble sense that the staff produced by the device vibrations at the work, alleviate staff's intensity of labour, increase the comfort in the course of the work simultaneously, make the device set up more humanized.

Drawings

Fig. 1 is a schematic view of a reamer head structure according to the present invention;

FIG. 2 is a schematic view of the internal structure of the movable sleeve of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the sliding shaft of the present invention;

fig. 5 is a schematic diagram of a second spring structure of the present invention.

In the figure: the spring comprises a drill bit 1, a movable sleeve 2, a ball 3, a rolling groove 4, a first spring 5, a first handle 6, a handle hole 7, a stop dog 8, a second handle 9, a first fixed column 10, a second spring 11, a second fixed column 12, a sliding shaft 13, a connecting shaft 14 and a third spring 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a reaming drill bit, including a drill bit 1, a movable sleeve 2 rotatably connected to a right end of the drill bit 1, two balls 3 movably embedded on a surface of the right end of the drill bit 1, two balls 3 being symmetrically distributed on a surface of the drill bit 1, rolling grooves 4 formed on an inner wall of the movable sleeve 2, first springs 5 disposed inside the rolling grooves 4, two first springs 5 being disposed at front and rear ends of the inside of the rolling grooves 4, two rolling grooves 4 being disposed inside the rolling grooves 4, the same structure being disposed inside the two rolling grooves 4, the two rolling grooves 4 being symmetrically distributed on the inner wall of the movable sleeve 2, the surfaces of the balls 3 being capable of rotating inside the rolling grooves 4, and being capable of moving back and forth inside the rolling grooves 4 by the balls 3, when the balls 3 move to two ends of the rolling groove 4, the balls 3 are in contact with the first spring 5 to compress the first spring 5, the movement of the balls 3 in the rolling groove 4 is buffered through the elasticity of the first spring 5, and then the drill bit 1 is buffered and damped when the drill bit 1 vibrates and displaces, and the vibration of the drill bit 1 in the working process is subjected to primary damping, so that the energy of the vibration generated by the device in the working process is weakened, and further the strong vibration sense generated by the vibration of the device in the working process of a worker is lightened, the labor intensity of the worker is lightened, meanwhile, the comfortable sensation in the working process is increased, the device is more humanized, the handle holes 7 are formed in the surface of the movable sleeve 2, the number of the handle holes 7 is two, the two handle holes 7 are symmetrically distributed on the surface of the movable sleeve 2 in the front and back direction, the first handle 6 is connected in the handle holes 7 in a sliding manner, the surface of the first handle 6 is provided with two check blocks 8, the two check blocks 8 are distributed on the front side and the rear side of the handle hole 7, the spacing distance between the two check blocks 8 is slightly larger than the thickness of the handle hole 7, the front end of the first handle 6 is connected with a sliding shaft 13 in a sliding manner, the rear end of the sliding shaft 13 is fixedly connected with a third spring 15, the rear end of the third spring 15 is fixedly connected inside the first handle 6, the number of the third spring 15 is two, the two third springs 15 are symmetrically distributed on the front end and the rear end of the sliding shaft 13, the front end of the first handle 6 is fixedly connected with a first fixed column 10, the number of the first fixed columns 10 is two, the two first fixed columns 10 are vertically and symmetrically distributed on the front end surface of the first handle 6, the front end of the first fixed column 10 is connected with a connecting shaft 14 in a sliding manner, the surface of the connecting shaft 14 is provided with a second, the front end of the second fixed column 12 is fixedly connected with a second handle 9, the second handle 9 is provided with the same structure as the first handle 6, the second handle 9 is also connected with the inside of the handle hole 7 in a sliding way, the first handle 6 and the second handle 9 slide in the handle hole 7, the sliding amplitude of the first handle 6 and the second handle 9 is limited by the stop 8, when the first handle 6 and the second handle 9 slide, the sliding shaft 13 moves forwards and backwards in the first handle 6 and the second handle 9, meanwhile, the third springs 15 at the left end and the right end of the sliding shaft 13 are extruded, the movement of the sliding shaft 13 is buffered by the third springs 15, the sliding shaft 13 is prevented from being fatigue fracture in long-time reciprocating movement, the service life of the device is shortened, when the first handle 6 and the second handle 9 move relatively, the first fixed column 10 and the second fixed column 12 move relatively simultaneously, meanwhile, the second spring 11 is used for damping and buffering the impact between the first fixing column 10 and the second fixing column 12, and secondary damping is performed on the vibration of the drill bit 1 in the working process, so that the energy of the vibration generated by the device in the working process is weakened, and the strong vibration sense generated by the vibration of the device in the working process of workers is relieved.

The working principle is as follows:

the drill bit 1 can rotate in the rolling groove 4 by rotating the ball 3 in the rolling groove 4, when the ball 3 moves to two ends of the rolling groove 4, the ball 3 is contacted with the first spring 5 to compress the first spring 5, so that the movement of the ball 3 in the rolling groove 4 is buffered, and further when the drill bit 1 vibrates and displaces, the drill bit 1 is buffered and damped, primary damping is carried out on the vibration of the drill bit 1 in the working process, so that the energy of the vibration generated by the device in the working process is weakened, further, strong vibration sense generated by the vibration of the device in the working process of the working personnel is lightened, the labor intensity of the working personnel is lightened, meanwhile, the comfortable feeling in the working process is increased, the device is more humanized, the first handle 6 and the second handle 9 slide in the handle hole 7, the sliding amplitude of the first handle 6 and the second handle 9 is limited by the stop block 8, when the first handle 6 and the second handle 9 are slid, the slide shaft 13 moves forward and backward inside the first handle 6 and the second handle 9, meanwhile, the third springs 15 at the left and right ends of the sliding shaft 13 are extruded, the movement of the sliding shaft 13 is buffered through the third springs 15, the sliding shaft 13 is prevented from being broken due to stress fatigue in long-time reciprocating motion, the service life of the device is shortened, when the first handle 6 and the second handle 9 move relatively, the first fixing column 10 and the second fixing column 12 move relatively at the same time, meanwhile, the second spring 11 is used for damping and buffering the impact generated between the first fixing column 10 and the second fixing column 12, the vibration of the drill bit 1 during working is subjected to secondary damping, so that the energy of the vibration generated by the device during working is weakened, and the strong vibration sense of workers caused by the vibration of the device during working is relieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reamer bit, comprising a bit (1), characterized in that: the right-hand member of drill bit (1) rotates and is connected with movable sleeve (2), handle hole (7) have been seted up on movable sleeve (2) surface, the inside sliding connection in handle hole (7) has first in command (6), first in command (6) surface is provided with dog (8), the quantity of dog (8) is two, two dog (8) distribute the front and back both sides in handle hole (7), the front end sliding connection in first in command (6) has sliding shaft (13), the rear end fixedly connected with third spring (15) of sliding shaft (13).

2. A reamer bit according to claim 1, wherein: the right-hand member surface activity of drill bit (1) is inlayed and is had ball (3), the quantity of ball (3) is two, two ball (3) longitudinal symmetry distributes on drill bit (1) surface, roll groove (4) have been seted up to the inner wall of movable sleeve (2), the inside in roll groove (4) is provided with first spring (5), the quantity of first spring (5) is two, two first spring (5) distribute both ends around the inside in roll groove (4), the surface of ball (3) is rotated with the inner wall in roll groove (4) and is connected.

3. A reamer bit according to claim 1, wherein: the number of the third springs (15) is two, the two third springs (15) are symmetrically distributed at the front end and the rear end of the sliding shaft (13), the first fixing column (10) is fixedly connected to the front end of the first handle (6), the number of the first fixing column (10) is two, the two first fixing columns (10) are symmetrically distributed on the surface of the front end of the first handle (6) in an up-and-down mode, the front end of the first fixing column (10) is connected with the connecting shaft (14) in a sliding mode, and the surface of the connecting shaft (14) is provided with the second spring (11).

4. A reamer bit according to claim 3, wherein: the front end of the connecting shaft (14) is connected with a second fixing column (12) in a sliding mode, the front end of the second fixing column (12) is fixedly connected with a second handle (9), the second handle (9) is provided with a structure the same as that of the first handle (6), and the second handle (9) is also connected with the inside of the handle hole (7) in a sliding mode.

5. A reamer bit according to claim 1, wherein: the number of the handle holes (7) is two, and the two handle holes (7) are symmetrically distributed on the surface of the movable sleeve (2) in the front-back direction.

6. A reamer bit according to claim 2, wherein: the number of the rolling grooves (4) is two, the same structures are arranged in the two rolling grooves (4), and the two rolling grooves (4) are symmetrically distributed on the inner wall of the movable sleeve (2) up and down.