CN210910648U

CN210910648U - Large-scale percussion drill with vibration/noise reduction function

Info

Publication number: CN210910648U
Application number: CN201920979736.6U
Authority: CN
Inventors: 许亚林
Original assignee: SUZHOU BENTENG PLASTIC CO Ltd
Current assignee: SUZHOU BENTENG PLASTIC CO Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-07-03
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a large-scale percussion drill with vibration/noise reduction function, including percussion drill main part, percussion drill main part inside is provided with and holds the chamber, holds chamber internally mounted and has just reverse motor, and the bottom end housing is installed to the bottom of percussion drill main part, and the inside shock-absorbing support that is provided with of bottom end housing, the upper surface of bottom end housing are provided with fixed shaft hole, fixed aircraft nose is installed to the front end of percussion drill main part, and fixed aircraft nose passes through the bolt and fixes mutually with the fastening lid, the front end of fastening lid is connected with the aircraft nose central siphon through fixed snap ring, and the inside of aircraft nose central siphon is connected with the drill bit bulk phase through the screw thread, the rear end housing is installed to the one end of percussion drill main part, and the. The utility model discloses have good shock mitigation system, utilize threaded connection to be convenient for maintain the drill bit and change, comprehensive protector, the exchange large-scale percussion drill that has the function of just reversing satisfies the urgent demand in market.

Description

Large-scale percussion drill with vibration/noise reduction function

Technical Field

The utility model relates to an impact and bore technical field, specifically be large-scale impact with vibration/noise reduction function bores.

Background

The impact drill in the current market has the problems of large vibration, inaccuracy, smooth shaking in the use of plane tiles, low efficiency and low power. The large-scale percussion drill is researched and developed, the market is rare in China at present, and the price of foreign products is quite expensive. Along with reconstruction and transformation of houses by people, more and more percussion drills with high power have wide application prospect, and indicate huge market potential and considerable prospect.

The current large-scale percussion drill is poor in damping effect, the drill bit is detached and replaced complicatedly, and the drill bit does not have a forward and reverse rotation function, so that the market urgently needs to develop a novel large-scale percussion drill.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-scale percussion drill with vibration/noise reduction function to the large-scale percussion drill shock attenuation effect who proposes among the above-mentioned background art of solution is relatively poor, and the drill bit is dismantled and is changed loaded down with trivial details, does not possess positive and negative rotation function scheduling problem simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: large-scale percussion drill with vibration/noise reduction function, including the percussion drill main part, the inside chamber that holds that is provided with of percussion drill main part holds, hold chamber internally mounted and have motor just reversing, the bottom cap is installed to the bottom of percussion drill main part, and the inside shock-absorbing support that is provided with of bottom cap, the upper surface of bottom cap is provided with fixed shaft hole, fixed aircraft nose is installed to the front end of percussion drill main part, and fixed aircraft nose passes through the bolt and is fixed mutually with the fastening lid, the front end of fastening lid is connected with the aircraft nose central siphon through fixed snap ring, and the inside of aircraft nose central siphon is passed through the screw thread and is connected with the drill bit bulk phase, the rear end cap is installed to the one end of percussion drill main.

Preferably, the forward and reverse rotating motor is fixed above the damping support.

Preferably, the surface of the rear end cover is provided with a noise reducer, and the noise reducer is an LM type aluminum alloy silencer.

Preferably, the inner part of the rear end cover is fixed with the percussion drill body through a fixing clamp column.

Preferably, one end of the handheld handle is connected with the percussion drill main body through a welding block.

Preferably, the forward and reverse rotation motor is rotatably connected with the drill bit main body through a rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the drill bit comprises a drill bit body, a drill bit body and a percussion drill bit body, wherein a containing cavity is arranged in the percussion drill body, a forward and reverse rotating motor is arranged in the containing cavity, the forward and reverse rotating motor is rotatably connected with the drill bit body through a rotating shaft, and the forward and reverse rotating motor is arranged to promote the drill bit body to realize a forward and reverse rotating function and improve the percussion drill efficiency;

(2) the fixed machine head is fixed with the fastening cover through the bolt, the front end of the fastening cover is connected with the machine head shaft tube through the fixed clamping ring, the interior of the machine head shaft tube is connected with the drill bit main body through threads, and the fixed machine head is assembled and fixed in a mode of utilizing the bolt to match with the threads, so that the drill bit main body is not only provided with the advantage of tight connection, but also convenient to disassemble and replace;

(3) the bottom end cover is installed to the bottom of percussion drill main part, and the inside shock mount that is provided with of bottom end cover, and positive reverse motor is fixed in the shock mount top, through with shock mount and positive reverse motor lock, can adjust the positive reverse motor and carry out the shock attenuation buffering, prevents that the too big vibrations of motor from bringing the damage to the casing.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of the structure of the nose shaft of the present invention;

FIG. 3 is a schematic view of the lower end cap of the present invention;

fig. 4 is a schematic structural view of the rear end cover of the present invention;

fig. 5 is a schematic view of the structure of the handle of the present invention.

In the figure: 1. a drill bit body; 2. a handpiece shaft tube; 3. fixing the machine head; 4. a percussion drill body; 5. a positive and negative rotation motor; 6. a rear end cap; 7. a handle; 8. an accommodating chamber; 9. a lower end cover; 10. fixing the snap ring; 11. a fastening cover; 12. a shock-absorbing support; 13. fixing the shaft hole; 14. fixing the clamping column; 15. a noise reducer; 16. and (7) welding the blocks.

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.

Referring to fig. 1-5, the present invention provides an embodiment: the large percussion drill with the shock absorption and noise reduction functions comprises a percussion drill main body 4, wherein the percussion drill main body 4 is made of high-impact polypropylene.

The percussion drill body 4 is internally provided with an accommodating cavity 8, the accommodating cavity 8 is internally provided with a forward and reverse rotating motor 5, the forward and reverse rotating motor 5 is arranged, the drill bit main body 1 can be promoted to realize the function of positive and negative rotation, the drill punching efficiency is improved, the lower end cover 9 is arranged at the bottom of the drill punching main body 4, the shock absorption support 12 is arranged in the lower end cover 9, the upper surface of the lower end cover 9 is provided with the fixed shaft hole 13, the fixed machine head 3 is arranged at the front end of the drill punching main body 4, the fixed machine head 3 is fixed with the fastening cover 11 through the bolt, the front end of the fastening cover 11 is connected with the machine head shaft tube 2 through the fixed snap ring 10, the interior of the machine head shaft tube 2 is connected with the drill bit, through utilizing bolt cooperation threaded connection mode to assemble fixed aircraft nose 3 department fixedly, not only possess and connect closely advantage, the change is dismantled to drill bit main part 1 to the convenience moreover.

A rear end cover 6 is installed at one end of the percussion drill body 4, and a handheld handle 7 is fixed at the lower end of the shell of the percussion drill body 4. One end of the handle 7 is connected with the percussion drill body 4 through a welding block 16.

The positive and negative rotation motor 5 is fixed above the damping support 12, and the damping support 12 is buckled with the positive and negative rotation motor 5, so that the positive and negative rotation motor 5 can be damped and buffered, and the damage to the shell caused by the overlarge vibration of the motor is prevented. The forward and reverse rotation motor 5 is rotatably connected with the drill bit main body 1 through a rotating shaft.

The surface of the rear end cover 6 is provided with a noise reducer 15, and the noise reducer 15 is an LM type aluminum alloy silencer and plays a role in noise reduction. The inner part of the rear end cover 6 is fixed with the percussion drill body 4 through a fixing clamp column 14.

The utility model discloses a theory of operation: when in use, the containing cavity 8 is arranged inside the percussion drill main body 4, the forward and reverse rotating motor 5 is arranged inside the containing cavity 8, the forward and reverse rotating motor 5 is rotatably connected with the drill bit main body 1 through a rotating shaft, the forward and reverse rotating motor 5 is arranged to promote the drill bit main body 1 to realize the forward and reverse rotating function, the percussion drill efficiency is improved, the fixed machine head 3 is arranged at the front end of the percussion drill main body 4, the fixed machine head 3 is fixed with the fastening cover 11 through a bolt, the front end of the fastening cover 11 is connected with the machine head shaft tube 2 through the fixed snap ring 10, the inside of the machine head shaft tube 2 is connected with the drill bit main body 1 through threads, the fixed machine head 3 is assembled and fixed by utilizing the bolt matching threaded connection mode, the advantages of tight connection are achieved, the lower end cover 9 is arranged at the bottom of the percussion drill main body 4, the shock, through with shock-absorbing support 12 and positive reverse motor 5 lock, can carry out the shock attenuation buffering to positive reverse motor 5, prevent that too big vibrations of motor from bringing the damage to the casing.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The large-scale percussion drill with the vibration and noise reduction functions is characterized by comprising a percussion drill main body (4), wherein a containing cavity (8) is arranged inside the percussion drill main body (4), a forward and reverse rotating motor (5) is arranged inside the containing cavity (8), a lower end cover (9) is arranged at the bottom of the percussion drill main body (4), a damping support (12) is arranged inside the lower end cover (9), a fixed shaft hole (13) is formed in the upper surface of the lower end cover (9), a fixed machine head (3) is arranged at the front end of the percussion drill main body (4), the fixed machine head (3) is fixed with a fastening cover (11) through a bolt, the front end of the fastening cover (11) is connected with a machine head shaft tube (2) through a fixed snap ring (10), the inside of the machine head shaft tube (2) is connected with a drill bit main body (1) through a thread, a rear end cover (6) is arranged at, a hand-held handle (7) is fixed at the lower end of the shell of the impact drill body (4).

2. The large-sized percussion drill with the vibration and noise reduction function according to claim 1, wherein: the positive and negative rotation motor (5) is fixed above the damping support (12).

3. The large-sized percussion drill with the vibration and noise reduction function according to claim 1, wherein: the surface of the rear end cover (6) is provided with a noise reducer (15), and the noise reducer (15) is an LM type aluminum alloy silencer.

4. The large-sized percussion drill with the vibration and noise reduction function according to claim 1, wherein: the inner part of the rear end cover (6) is fixed with the percussion drill main body (4) through a fixing clamp column (14).

5. The large-sized percussion drill with the vibration and noise reduction function according to claim 1, wherein: one end of the hand-held handle (7) is connected with the percussion drill main body (4) through a welding block (16).

6. The large-sized percussion drill with the vibration and noise reduction function according to claim 1, wherein: the forward and reverse rotation motor (5) is rotatably connected with the drill bit main body (1) through a rotating shaft.