CN219235742U

CN219235742U - Building wall body drill bit that punches

Info

Publication number: CN219235742U
Application number: CN202223533488.3U
Authority: CN
Inventors: 车忠庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-23
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a drilling bit for a building wall, which relates to the technical field of drilling tools and comprises a device main body, a bit front end and a bit rear end, wherein the bit front end is arranged in front of the device main body, the bit rear end is arranged behind the bit front end, a mounting opening is formed in the side of the device main body, a rotating mechanism is arranged on the inner side of the device main body, the diameter of the bit front end is smaller than that of the bit rear end, the bit is easy to break or damage due to aggravated abrasion in the process of perforating the wall due to the fact that the bit is larger in the perforating process of the wall in high strength, a spring sleeve pushes the bit rear end to move sideways when a sliding hole is contracted, and a sliding block on a side wall of the bit rear end slides sideways in a sliding groove when the bit rear end is pushed sideways in a mounting cavity, so that the impact on the bit front end is counteracted, and the bit is not easy to break or other conditions are damaged.

Description

Building wall body drill bit that punches

Technical Field

The utility model relates to the technical field of drilling tools, in particular to a drilling bit for a building wall.

Background

At present, a plurality of holes of different types are usually required to be drilled on the outer wall of a building wall, various pipelines in the building are installed through the holes of the wall, and the existing punching equipment is used for punching the wall by using various drill bits, so that the punching efficiency of the wall is effectively improved.

The utility model discloses a high strength drill bit that punches of publication number CN204621165U in the prior art, through installing the trompil cutter in the bottom of plane cell wall, the opposite side cell wall of guide slot is radial inwards curved cambered surface, and the trompil cutter of one of them guide slot bottom is interior circle cutter, and the center of drill bit body is passed over to the inner of interior circle cutter, and the trompil cutter of another guide slot bottom is outer circle cutter, and the outer end of outer circle cutter radially protrudes in the surface of punching the end, and there is the coincide in radial inner of interior circle cutter outer end and outer circle cutter. The utility model improves the strength of the cutter, reduces the stress of the cutter, reduces the damage of the cutter, can finish chamfering the hole end after punching, and improves the production efficiency.

But in the process of punching the wall body by the drill bit with high strength, the drill bit can cause larger vibration in the process of punching the wall body, and the drill bit is easy to break or be damaged due to increased abrasion.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the existing drill bit can cause larger vibration in the process of perforating a wall body due to high strength, the drill bit is easy to break or damage caused by aggravated abrasion, and the drilling bit for the building wall body is needed.

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

the utility model provides a building wall body drill bit that punches, includes device main part, drill bit front end and drill bit rear end, the drill bit front end sets up in the place ahead of device main part, the drill bit rear end sets up the rear at the drill bit front end, the installation mouth has been seted up to device main part side, device main part inboard side is provided with rotary mechanism, drill bit front end diameter is less than the drill bit rear end setting.

Preferably, the side wall of the front end of the drill bit is provided with an air guide hole, and the bottom end of the air guide hole is fixedly communicated with a through hole.

Preferably, the through holes are formed in the side wall of the front end of the drill bit and uniformly distributed on the side wall of the front end of the drill bit, and the through holes are arranged in an L shape.

Preferably, the installing port is slidably connected with a connector, the front end of the drill bit is embedded in the connector, and the side of the rear end of the drill bit is fixedly connected to the side wall of the connector.

Preferably, a limiting ring is arranged at the bottom side of the connector, a buffer cavity is arranged at the side of the mounting port, and the limiting ring is slidably connected in the buffer cavity.

Preferably, a gasket is fixedly connected to the side wall of the buffer cavity, the gasket is made of rubber, and a sliding hole is formed in the side of the buffer cavity.

Preferably, a spring sleeve is arranged on the outer wall of the rear end of the drill bit, the spring sleeve is connected in the sliding hole in a sliding mode, and an installation cavity is formed in the rotating mechanism.

Preferably, a sliding groove is formed in the inner wall of the mounting cavity, a sliding block is fixedly connected to the side wall of the rear end of the drill bit, and the sliding block is slidably connected in the sliding groove.

The beneficial effects are that:

when this kind of building wall drill bit punches through the drill bit front end rotatory on building wall, the vibrations that the drill bit front end impact wall produced are transmitted to the drill bit rear end through the connector on, make its connector bottom side spacing ring lateral extrusion slide hole in the spring housing, the spacing ring removes to its resistance to compression through rubber gasket when buffering intracavity maximum interval, prevent that the spacing ring from bumping with buffering chamber lateral wall and causing the damage for a long time, the spring housing promotes the drill bit rear end and moves laterally when the slide hole internal contraction, the slider card slides laterally in the spout on the lateral wall when the drill bit rear end is advanced laterally in the installation intracavity, the impact that makes its drill bit front end receive offsets, the drill bit is difficult for appearing situations such as fracture and causes the damage.

This kind of building wall body drill bit inlays at drill bit rear end side connector internal fixation through the drill bit front end, makes its drill bit front end change and need not the specification more convenient, and L shape through-hole communicates the air guide hole each other on the drill bit front end lateral wall, makes its drill bit front end in the wall body in-process of punching, and the inside and outside air current transmission of air guide hole is to the drill bit front end inside to make the cooling effect of drill bit front end better, the drill bit front end is difficult for overheated and causes the deformation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the front cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the front end of the drill bit according to the present utility model;

FIG. 4 is a schematic cross-sectional view of the mounting cavity of the present utility model;

legend description:

the device comprises a device main body-1, a drill front end-2, an air guide hole-21, a connector-3, a buffer cavity-31, a limiting ring-4, a gasket-41, a drill rear end-5, a spring sleeve-51, a rotating mechanism-6, a mounting cavity-61, a sliding groove-7, a sliding block-71, a sliding hole-8 and a mounting opening-9.

Detailed Description

Referring to fig. 1-4, a building wall perforating bit, including device main part 1, drill bit front end 2 and drill bit rear end 5, drill bit front end 2 sets up in the place ahead of device main part 1, carry out the trompil with building wall through drill bit front end 2, drill bit rear end 5 sets up in the rear of drill bit front end 2, when drill bit front end 2 carries out the trompil to building wall, support resistance to compression through drill bit rear end 5 with drill bit front end 2, thereby make drill bit front end 2 trompil in-process more stable, be difficult for breaking situation to cause the damage, install installation mouth 9 including installation mouth 9 with drill bit front end 2 and drill bit rear end 5, make its drill bit front end 2 trompil in-process more stable, device main part 1 inboard side is provided with rotary mechanism 6, carry out the butt joint with drill bit rear end 5 through rotary mechanism 6, rotary mechanism 6 side is provided with motor etc. and is rotatory through the motor, thereby make rotary mechanism 6 drive front end 2 and drill bit rear end 5 rotate, make its drill bit front end 2 more high-efficient when trompil to building wall, rear end 5 is less than the whole, it is convenient to make the drill bit main part 2 is fixed at the front end 2 when setting up at the drill bit front end 2.

As shown in fig. 3, the side wall of the drill front end 2 is provided with an air vent 21, the bottom end of the air vent 21 is fixedly communicated with a through hole, the air vent 21 is arranged at the bottom side of the external thread of the drill front end 2, so that the thread is arranged on the outer wall of the drill front end 2 to discharge ash in the hole, when the drill front end 2 rotates for a long time, the ash is not easy to fall into the air vent 21 to cause blockage, and the cooling effect of the drill front end 2 is improved.

As shown in fig. 2, the through holes are formed on the side wall of the drill front end 2, and are L-shaped, and the air flow generated when the drill front end 2 rotates in the hole is transmitted into the through holes through the air guide holes 21, so that the air inside the drill front end 2 is circulated through the through holes, and the cooling effect of the drill front end 2 in the hole is better.

As shown in fig. 2, the connector 3 is slidably connected in the mounting port 9, the drill bit front end 2 is inlaid in the connector 3, and the side of the drill bit rear end 5 is fixedly connected to the side wall of the connector 3, the drill bit front end 2 is limited at the side through the connector 3, so that the connector 3 is more stable in mounting the drill bit front end 2, the drill bit front end 2 is more convenient to replace in the connector 3 after being worn for a long time, the drill bit rear end 5 is not required to be dismounted from the device main body 1, and the drill bit front end 2 with different specifications is replaced to be used more efficiently at the side of the connector 3.

As shown in fig. 2, the bottom side of the connector 3 is provided with a limiting ring 4, the side of the mounting opening 9 is provided with a buffer cavity 31, the limiting ring 4 is slidably connected in the buffer cavity 31, the connector 3 is limited in the buffer cavity 31 by the limiting ring 4, so that the connector 3 is more stable when the drill bit front end 2 is driven to rotate in the buffer cavity 31, and the limiting ring 4 laterally extrudes the spring sleeve 51 to resist compression in the lateral moving process of the buffer cavity 31.

As shown in fig. 2, the spacer 41 is fixedly connected to the side wall of the buffer cavity 31, the spacer 41 is made of rubber, the sliding hole 8 is formed in the side of the buffer cavity 31, the side end of the stop ring 4 abuts against the side of the spacer 41 in the sliding process of the buffer cavity 31 to the side, so that the rubber spacer 41 resists compression of the stop ring 4, the stop ring 4 cannot collide with the side wall of the buffer cavity 31 to cause influence, and the service life of the stop ring 4 is prolonged.

As shown in fig. 2, a spring sleeve 51 is arranged on the outer wall of the rear end 5 of the drill bit, the spring sleeve 51 is slidably connected in the sliding hole 8, a mounting cavity 61 is formed in the rotating mechanism 6, the front end 2 of the drill bit is supported by the connector 3 in the punching process on the building wall, when the limiting ring 4 on the side wall of the connector 3 presses the spring sleeve 51 laterally for compression resistance, the spring sleeve 51 presses the rotating mechanism 6 laterally in the sliding hole 8, and the rear end 5 of the drill bit slides laterally for compression resistance in the mounting cavity 61.

As shown in fig. 4, a chute 7 is formed on the inner wall of the installation cavity 61, a sliding block 71 is fixedly connected to the side wall of the rear end 5 of the drill bit, the sliding block 71 is slidably connected in the chute 7, the rear end 5 of the drill bit is slidably connected in the installation cavity 61, and the rear end 5 of the drill bit drives the sliding block 71 to slide laterally in the chute 7 when sliding laterally in the installation cavity 61, so that the sliding block 71 supports the rear end 5 of the drill bit in the chute 7, and the rotating mechanism 6 of the sliding block drives the rear end 5 of the drill bit to rotate without slipping.

As shown in fig. 2, the dust-proof cover is arranged outside the mounting opening 9, the outer wall of the connector 3 is slidably connected in the dust-proof cover, so that the ash generated by punching the front end 2 of the drill bit can not be transmitted to the mounting opening 9 to cause influence in the process of punching the front end 2 of the drill bit on the outer wall of the wall body, and the dust-proof effect of the device main body 1 is improved.

Working principle: when the device main body 1 is propped against a building wall body to punch holes, the rotary mechanism 6 drives the rear end 5 of the side drill bit to rotate, so that the rear end 5 of the drill bit drives the front end 2 of the side drill bit to rotate and punch holes on the building wall body, air flow generated when the front end 2 of the drill bit rotates in the holes is transmitted into the through holes through the air guide holes 21, the air flow in the front end 2 of the drill bit is cooled through a plurality of through holes, vibration generated when the front end 2 of the drill bit impacts the wall body is transmitted to the rear end 5 of the drill bit through the connector 3, the limiting ring 4 at the bottom side of the connector 3 presses the spring sleeve 51 to the side in the buffer cavity 31, the spring sleeve 51 resists compression of the front end 2 of the drill bit when the sliding hole 8 contracts to the side, when the limiting ring 4 moves to the maximum space in the buffer cavity 31, compression is prevented by the gasket 41, the limiting ring 4 is prevented from being damaged due to collision with the side wall of the buffer cavity 31 for a long time, when the spring sleeve 51 is contracted in the sliding hole 8 to push the rear end 5 of the drill bit to move sideways, the upper sliding block 71 of the side wall of the rear end 5 of the drill bit is clamped in the sliding groove 7 to slide sideways when the rear end 5 of the drill bit is pushed sideways in the mounting cavity 61, so that the impact on the front end 2 of the drill bit is counteracted, the drill bit is not easy to break, and the like, so that the damage is caused by the conditions of breakage and the like, the drill bit is not easy to occur, the drill bit is embedded in the connector 3 through the front end 2 of the drill bit, the drill bit is disassembled and assembled from the connector 3 for replacement, and the punching efficiency of the wall is improved.

Claims

1. The utility model provides a building wall body drill bit that punches, includes device main part (1), drill bit front end (2) and drill bit rear end (5), drill bit front end (2) set up in the place ahead of device main part (1), drill bit rear end (5) set up at the rear of drill bit front end (2), its characterized in that: the device is characterized in that the spring sleeve (51) is arranged on the outer wall of the drill bit rear end (5), the spring sleeve (51) is connected to the side wall of the connector (3) in a sliding mode, the limiting ring (4) is arranged on the bottom side of the connector (3), the buffer cavity (31) is arranged on the side of the mounting opening (9), the limiting ring (4) is connected in the buffer cavity (31) in a sliding mode, a gasket (41) is fixedly connected to the side wall of the buffer cavity (31), the gasket (41) is made of rubber, the sliding hole (8) is formed in the side of the buffer cavity (31), and the spring sleeve (51) is arranged on the outer wall of the drill bit rear end (5) in a sliding mode.

2. The building wall perforating drill bit according to claim 1, wherein the side wall of the front end (2) of the drill bit is provided with an air guide hole (21), and the bottom end of the air guide hole (21) is fixedly communicated with a through hole.

3. The building wall perforating drill bit according to claim 2, wherein the through holes are formed in a plurality of evenly distributed on the side wall of the front end (2) of the drill bit, and the through holes are arranged in an L shape.

4. The building wall perforating drill bit according to claim 1, wherein a chute (7) is formed in the inner wall of the installation cavity (61), a sliding block (71) is fixedly connected to the side wall of the rear end (5) of the drill bit, and the sliding block (71) is slidably connected in the chute (7).