CN211541863U

CN211541863U - Drill bit for drilling wall or floor of water supply and drainage pipeline

Info

Publication number: CN211541863U
Application number: CN202020077302.XU
Authority: CN
Inventors: 石安
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-22
Anticipated expiration: 2030-01-13

Abstract

The utility model provides a drill bit is used in drilling of water supply and drainage pipe wall or floor, including connector, connecting hole, inlayer rotary drum and outer rotary drum, outer rotary drum cover is established the outside of inlayer rotary drum, the connector includes that the hexagonal head connects first and the connecting plate, the hexagonal head connects first the setting to be in the one side of connecting plate, the inlayer rotary drum with the one end of outer rotary drum all sets up the another side of connecting plate, the inlayer rotary drum with the other end of outer rotary drum is provided with evenly distributed's cutting part, the connecting hole runs through the hexagonal head connect first with the connecting plate sets up, the length of inlayer rotary drum is longer than the length of outer rotary drum. The utility model discloses simple structure, intensity is high, has improved the efficiency of construction, has saved manpower and materials.

Description

Drill bit for drilling wall or floor of water supply and drainage pipeline

Technical Field

The utility model belongs to the technical field of concrete drilling equipment, particularly, relate to a drilling bit is used in wall or floor drilling is worn to water supply and drainage pipe.

Background

The water supply and drainage pipeline is a pipeline system for conveying and distributing industrial water supply and domestic drinking water, and collecting, conveying and discharging industrial wastewater, domestic sewage and rainwater, the drainage pipeline refers to a system consisting of a pipeline for collecting and discharging sewage, wastewater and rainwater and accessory facilities thereof, and comprises a main pipeline, branch pipelines and pipelines leading to a treatment plant, and the pipelines are used as drainage pipeline statistics no matter built on a street or any other place as long as the pipelines play a role in drainage; the water supply pipeline is often applied to city and town tap water delivery and water supply engineering, building internal and external water supply engineering, industrial and mining enterprise water supply engineering, geographical fire protection and water supply engineering, farmland water conservancy and water delivery engineering, garden gardening and gardening greening water supply engineering, aquaculture water supply and drainage engineering and the like. In building water supply and drainage pipeline engineering, except reserving the hole, according to the actual structure of building, often need carry out other hole construction, wherein hollow drill bit can bore and beat the plane concrete floor, mainly used building field water supply and drainage pipeline installation punches, along with the rapid development in electric tool market, various engineering work progress all convenient to use is swift safe and reliable's novel electric tool, traditional drill bit often adopts the individual layer rotary drum, it is cylindrical hole to drill out, treat to install behind the water supply and drainage pipeline, must hang the mould and hang the seam after, just can carry out pouring of cement, the operation steps of use are numerous and diverse, the efficiency of construction has been prolonged, human and material resources have been consumed, it is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a new drilling bit for water supply and drainage pipeline wall or floor drilling, the technical problem that solve are that the hole that current drill bit bored out is cylindrical hole, influences water supply and drainage pipeline's installation effectiveness, influences the problem of efficiency of construction.

In view of this, the utility model provides a new drilling bit for water supply and drainage pipeline wall or floor drilling, including connector, connecting hole, inlayer rotary drum and outer rotary drum, outer rotary drum cover is established the outside of inlayer rotary drum, the connector includes hexagonal head and connecting plate, hexagonal head sets up the one side of connecting plate, the inlayer rotary drum with the one end of outer rotary drum all sets up the another side of connecting plate, the inlayer rotary drum with the other end of outer rotary drum is provided with evenly distributed's cutting part, the connecting hole runs through hexagonal head and the connecting plate sets up, the length of inlayer rotary drum is longer than the length of outer rotary drum.

In the technical scheme, the drill bit comprises a connector, a connecting hole, an inner layer rotary drum and an outer layer rotary drum, the connector comprises a hexagonal joint and a connecting plate, and the connecting hole penetrates through the connecting plate and the hexagonal joint, so that the drill bit is suitable for connecting parts of the conventional drilling machine, is convenient to install on the drilling machine and has high applicability; the working ends of the inner layer rotary drum and the outer layer rotary drum are provided with cutting parts, and the other ends of the inner layer rotary drum and the outer layer rotary drum are arranged on a connecting plate, so that the connecting plate can drive the inner layer rotary drum and the outer layer rotary drum to synchronously rotate and cut after being connected with a drilling machine to rotate; the longer inlayer rotary drum of length sets up inside the shorter outer rotary drum of length, and the hole that the inlayer rotary drum bored is darker than the hole that the outer rotary drum bored, and the hole bottom that the drill bit bored is cyclic annular base for install water supply and drainage pipe in the hole that the inlayer rotary drum bored back, needn't hang the mould and hang the seam and block cement and leak outward, can directly pour cement, accomplish the construction, made things convenient for water supply and drainage pipe's installation, when having reduced manpower and materials input, improved the efficiency of construction.

In the above technical solution, preferably, the inner drum is further provided with a plurality of water passage holes.

In the technical scheme, the limbers arranged on the inner-layer rotary drum enable part of water inside the inner-layer rotary drum to reach the inner wall of the outer-layer rotary drum through the limbers under the action of rotating centrifugal force in the working process of the drill bit, so that the working efficiency of the outer-layer rotary drum is facilitated.

In the above technical solution, preferably, the cutting component includes a plurality of sets of cutter heads arranged at regular intervals.

In the technical scheme, the cutting parts adopt a plurality of groups of cutter heads which are uniformly arranged, and a gap is arranged between every two adjacent cutter heads, so that the backflow of cooling liquid is convenient to carry out in the use process of the drill bit, the pressure balance state of the drill bit is kept, and the condition that the construction efficiency is influenced by the blockage of the drill bit is effectively avoided.

In the above technical solution, preferably, the cross-sectional area of the outer layer rotating cylinder is larger than the cross-sectional area of the inner layer rotating cylinder.

In this technical scheme, the sectional area of outer rotary drum is greater than the sectional area of inlayer rotary drum, can form the annular base at the bottom of enough pockets in the bottom of hole, convenient to use.

In the above technical solution, preferably, the inner side wall of the connection hole is provided with a thread.

In the technical scheme, the threads arranged on the inner side wall of the connecting hole are adapted to the external threads on the connecting part of the existing drilling machine, so that the traditional drill bit of the existing drilling machine can be directly replaced, and the applicability is high.

In the above technical solution, preferably, the hexagonal connector is detachably connected to the connecting plate.

In this technical scheme, the hexagonal head connects the head and can dismantle with the connecting plate and be connected, is convenient for place, dismantles, installation and maintenance change, effectively prolongs the life of drill bit.

In the above technical solution, preferably, the connecting plate is integrally formed with the inner drum and the outer drum.

In this technical scheme, connecting plate and inlayer rotary drum and outer rotary drum integrated into one piece for the connectivity of inlayer rotary drum, outer rotary drum and rig is higher, and inlayer rotary drum and outer rotary drum can last synchronous rotation, and the efficiency of construction is higher.

In the above technical solution, preferably, the inner layer drum and the outer layer drum are movably disposed on the connecting plate.

In this technical scheme, inlayer rotary drum, outer rotary drum and connecting plate swing joint for can change inlayer rotary drum or outer rotary drum alone, effectively improve the life of drill bit.

In the above technical solution, preferably, the thickness of the inner drum and the outer drum is 2 mm, the length of the inner drum is 35 mm longer than the length of the outer drum, the diameter of the inner drum is 503 mm, 753 mm or 1103 mm, and the diameter of the outer drum is 50 mm longer than the diameter of the inner drum.

Compared with the prior art, the utility model has the advantages of: the utility model discloses simple structure, operating procedure is simple, because outer rotary drum cover is established in the outside of inlayer rotary drum, and the length of inlayer rotary drum is longer than the length of outer rotary drum for the hole bottom that the drill bit bored has annular base, is convenient for carry out drainage pipe's installation and shutoff, has effectively improved the efficiency of construction.

Drawings

Fig. 1 shows a schematic structural view of a drill for drilling a wall or a floor of a water supply and drainage pipeline according to an embodiment of the invention;

fig. 2 shows a schematic structural view of an inner drum according to an embodiment of the present invention.

The names corresponding to the reference numerals in the drawing are an inner layer rotary drum 101, an outer layer rotary drum 102, a hexagonal nipple 103, a connecting plate 104, a water through hole 105 and a cutter head 106.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The present invention will be further described with reference to fig. 1 and 2.

As shown in fig. 1 and 2, a drill bit for drilling a wall or a floor of a water supply and drainage pipeline comprises a connector, a connecting hole (not shown in the figure), an inner rotary drum 101 and an outer rotary drum 102, wherein the outer rotary drum 102 is sleeved outside the inner rotary drum 101, the connector comprises a hexagonal joint 103 and a connecting plate 104, the hexagonal joint 103 is arranged on one surface of the connecting plate 104, one ends of the inner rotary drum 101 and the outer rotary drum 102 are arranged on the other surface of the connecting plate 104, the other ends of the inner rotary drum 101 and the outer rotary drum 102 are provided with uniformly distributed cutting parts, the connecting hole penetrates through the hexagonal joint 103 and the connecting plate 104, the length of the inner rotary drum 101 is longer than that of the outer rotary drum 102, and the inner rotary drum 101 is further provided with a plurality of water through holes 105; the thickness of the inner drum and the outer drum is 2 mm, the length of the inner drum is 35 mm longer than the length of the outer drum, the diameter of the inner drum is 503 mm, 753 mm or 1103 mm, and the diameter of the outer drum is 50 mm longer than the diameter of the inner drum.

The drill bit comprises a connector, a connecting hole, an inner layer rotary drum 101 and an outer layer rotary drum 102, the connector comprises a hexagonal joint 103 and a connecting plate 104, and the connecting hole penetrates through the connecting plate 104 and the hexagonal joint 103, so that the drill bit is suitable for connecting parts of existing drilling machines, is convenient to install on the drilling machines and is high in applicability; the working ends of the inner layer rotating cylinder 101 and the outer layer rotating cylinder 102 are provided with cutting components, and the other ends of the inner layer rotating cylinder 101 and the outer layer rotating cylinder 102 are arranged on the connecting plate 104, so that the connecting plate 104 is connected with a drilling machine to rotate and then can drive the inner layer rotating cylinder 101 and the outer layer rotating cylinder 102 to synchronously rotate and cut; the inner-layer rotary drum 101 with longer length is arranged inside the outer-layer rotary drum 102 with shorter length, the hole drilled by the inner-layer rotary drum 101 is deeper than the hole drilled by the outer-layer rotary drum 102, and the bottom of the hole drilled by the drill bit is an annular base, so that after the water supply and drainage pipeline is arranged in the hole drilled by the inner-layer rotary drum 101, cement can be directly poured without hanging a mold to block the leakage of the cement, the construction is completed, the installation of the water supply and drainage pipeline is facilitated, the investment of manpower and material resources is reduced, and the construction efficiency is improved; the limber 105 arranged on the inner rotary drum 101 enables part of water inside the inner rotary drum 101 to reach the inner wall of the outer rotary drum 102 through the limber 105 under the action of the rotating centrifugal force during the operation of the drill, thereby facilitating the work efficiency of the outer rotary drum 102.

Further, the cutting component includes a plurality of sets of cutter heads 106 arranged at uniform intervals, the cross-sectional area of the outer layer rotary drum 102 is larger than that of the inner layer rotary drum 101, the inner side wall of the connecting hole is provided with threads (not shown in the figure), and the hexagonal nipple 103 is detachably connected with the connecting plate 104.

The cutting part adopts a plurality of groups of cutter heads 106 which are uniformly arranged, and a gap is arranged between every two adjacent cutter heads 106, so that the cooling liquid can flow back conveniently in the use process of the drill bit, the pressure balance state of the drill bit is kept, and the condition that the construction efficiency is influenced due to the blockage of the drill bit is effectively avoided; the cross-sectional area of the outer layer rotary drum 102 is larger than that of the inner layer rotary drum 101, so that an annular base with enough pockets can be formed at the bottoms of the holes, and the use is convenient; the threads arranged on the inner side wall of the connecting hole are suitable for the external threads on the connecting part of the existing drilling machine, so that the traditional drill bit of the existing drilling machine can be directly replaced, and the applicability is higher; the hexagonal-head joint 103 is detachably connected with the connecting plate 104, so that the drill is convenient to place, detach, install, maintain and replace, and the service life of the drill is effectively prolonged; the cutter head adopts a cutting cutter head used in a concrete drill factory, and a water flowing groove is arranged on the cutter head.

Further, the connection plate 104 is integrally formed with the inner drum 101 and the outer drum 102.

The connecting plate 104 is integrally formed with the inner drum 101 and the outer drum 102, so that the connection degree of the inner drum 101 and the outer drum 102 with the drilling machine is high, the inner drum 101 and the outer drum 102 can continuously and synchronously rotate, and the construction efficiency is high.

Further, the inner drum 101 and the outer drum 102 are movably disposed on the connecting plate 104.

Wherein, inner layer rotary drum 101, outer rotary drum 102 and connecting plate 104 swing joint for can change inner layer rotary drum 101 or outer rotary drum 102 alone, effectively improve the life of drill bit.

In the first embodiment, an inner layer rotary drum 101 and an outer layer rotary drum 102 with matched cross-sectional areas are selected according to the size of the cross-sectional area of a water supply and drainage pipeline to be installed; inserting a drill connecting part into the connecting hole, and connecting the drill bit with the drill through threads; aligning the drill bit to the position to be drilled, starting the drilling machine to drive the drill bit to rotate, after the inner rotary drum 101 is drilled through the plane concrete layer, taking out the drill bit after drilling, taking out the solid cylindrical concrete drilled by the inner rotary drum 101, then using a common light steel hammer to lightly drill the hollow cylindrical mixed soil drilled by the outer rotary drum 102, and taking out the fragments.

After the drill bit punches, an annular base is reserved at the bottom of a hole in the concrete layer, the water supply and drainage pipeline is installed in the hole punched in the inner-layer rotary drum 101, cement is directly poured to plug the hole, and installation and construction of the water supply and drainage pipeline are completed.

The technical scheme of the utility model is explained in detail above with the attached drawings, the technical scheme of the utility model provides a new drill bit for drilling through the wall or the floor of the water supply and drainage pipeline, the structure is simple, the operation steps are simple, because the outer rotary drum cover is arranged outside the inner rotary drum, and the length of the inner rotary drum is longer than that of the outer rotary drum, the bottom of the hole drilled by the drill bit is provided with an annular base, after the water supply and drainage pipeline is arranged in the hole drilled by the inner rotary drum, under the assistance of the annular base, the cement can be directly filled for plugging, the installation and plugging of the water supply and drainage pipeline are convenient, and the construction efficiency is effectively improved; additionally, use the utility model discloses a drill bit can effectively reduce the water supply and drainage pipeline installation and construction and accomplish the back, leaks the cleaning work of pipeline outward, accords with the environmental protection requirement, has also effectively improved the waterproof performance around the pipeline.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a drilling bit is used in wall or floor is worn to drainage pipe, its characterized in that, includes connector, connecting hole, inlayer rotary drum and outer rotary drum, outer rotary drum cover is established the outside of inlayer rotary drum, the connector includes hexagonal head and connecting plate, hexagonal head sets up the one side of connecting plate, the inlayer rotary drum with the one end of outer rotary drum all sets up the another side of connecting plate, the inlayer rotary drum with the other end of outer rotary drum is provided with evenly distributed's cutting part, the connecting hole runs through hexagonal head with the connecting plate sets up, the length of inlayer rotary drum is longer than the length of outer rotary drum.

2. The drill for drilling a wall or floor through a water supply and drainage pipeline according to claim 1, wherein the inner drum is further provided with a plurality of water through holes.

3. The drill bit for drilling a wall or floor through a water supply and drainage pipeline according to claim 1, wherein the cross-sectional area of the outer drum is larger than that of the inner drum.

4. The drill bit for drilling the wall or the floor of the water supply and drainage pipeline according to claim 1, wherein the cutting component comprises a plurality of groups of cutter heads which are uniformly spaced.

5. The drill bit for drilling the wall or the floor of the water supply and drainage pipeline according to claim 1, wherein the inner side wall of the connecting hole is provided with threads.

6. The drill for drilling the wall or the floor of the water supply and drainage pipeline according to claim 1, wherein the hexagonal head is detachably connected with the connecting plate.

7. The drill bit for drilling a wall or floor of a water supply and drainage pipeline according to claim 1, wherein the connecting plate is integrally formed with the inner drum and the outer drum.

8. The drill bit for drilling the wall or the floor of the water supply and drainage pipeline according to claim 1, wherein the inner layer rotating cylinder and the outer layer rotating cylinder are movably arranged on the connecting plate.