CN215485880U

CN215485880U - Expanding drill bit

Info

Publication number: CN215485880U
Application number: CN202121539720.7U
Authority: CN
Inventors: 李广好
Original assignee: Zhengzhou Wushui Yihe Construction Engineering Co ltd
Current assignee: Zhengzhou Wushui Yihe Construction Engineering Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-01-11
Anticipated expiration: 2031-07-08

Abstract

The utility model provides a reaming bit, which belongs to the technical field of bits and comprises a main bit body, a transition bit body, an auxiliary bit body and an installation handle, wherein the main bit body, the transition bit body, the auxiliary bit body and the installation handle are sequentially connected; the diameter of the auxiliary drill cutter body is larger than that of the main drill cutter body, the diameter of the transition cutter body is gradually changed, the diameter of one end, connected with the auxiliary drill cutter body, of the transition cutter body is the same as that of the auxiliary drill cutter body, and the diameter of one end, connected with the main drill cutter body, of the transition cutter body is the same as that of the main drill cutter body; the main drilling tool body, the transition tool body and the auxiliary drilling tool body are provided with thread grooves in a connected mode. The transition cutter body and the auxiliary drill cutter body are directly reamed while the main drill cutter body is drilled, the water stopping needle is installed and then grouting is carried out, the water stopping needle is directly buried in concrete after grouting is finished, the water stopping needle does not need to be removed, and the phenomenon of re-leakage is effectively avoided.

Description

Expanding drill bit

Technical Field

The utility model relates to the technical field of drill bits, in particular to a reaming drill bit.

Background

In the waterproof and leaking stoppage industry, conventional drill bits are used during punching, after the punching is finished, water stopping needle heads are installed in the holes and then grouting is carried out, the installed water stopping needle heads protrude out of the surface of concrete, and after the grouting is finished, the protruding water stopping needle heads need to be removed. This method tends to cause the unset slurry to flow out of the needle, resulting in the re-leakage phenomenon. Therefore, there is a need for a reamer bit that overcomes the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a hole expanding drill bit, wherein when a main drill bit body is used for drilling, a transition cutter body and an auxiliary drill bit body are directly used for expanding holes, then a water stopping needle head is installed and then grouting is carried out, the water stopping needle head is directly buried in concrete after grouting is finished, the water stopping needle head does not need to be removed, and the phenomenon of re-leakage is effectively avoided.

In order to solve the technical problem, the utility model provides a reaming bit which comprises a main bit body, a transition bit body, an auxiliary bit body and a mounting handle, wherein the main bit body, the transition bit body, the auxiliary bit body and the mounting handle are sequentially connected;

the diameter of the auxiliary drill cutter body is larger than that of the main drill cutter body, the diameter of the transition cutter body is gradually changed, the diameter of one end, connected with the auxiliary drill cutter body, of the transition cutter body is the same as that of the auxiliary drill cutter body, and the diameter of one end, connected with the main drill cutter body, of the transition cutter body is the same as that of the main drill cutter body;

the main drilling tool body, the transition tool body and the auxiliary drilling tool body are provided with thread grooves in a connected mode.

Furthermore, the main drill cutter body comprises a main drill section and a tip end section, wherein one end of the main drill section is connected with the end part of the transition cutter body, and the tip end section is connected with the other end of the main drill section.

Further, the mounting handle comprises a mounting column connected with the end part of the auxiliary drill cutter body through a connecting body and a plurality of straight grooves uniformly formed in the outer side wall of the mounting column;

the straight groove is arranged along the length direction of the mounting column.

Furthermore, the diameter of the auxiliary drill bit body is larger than that of the mounting column, the diameter of the connecting body is gradually changed, the diameter of one end, connected with the mounting column, of the connecting body is the same as that of the mounting column, and the diameter of one end, connected with the auxiliary drill bit body, of the connecting body is the same as that of the auxiliary drill bit body.

Furthermore, the main drill cutter body, the transition cutter body, the auxiliary drill cutter body and the installation handle are integrally formed.

The technical scheme of the utility model has the following beneficial effects:

1. the utility model has simple structure and convenient use, and comprises a main drill cutter body, a transition cutter body, an auxiliary drill cutter body and an installation handle which are connected in sequence, wherein the transition cutter body and the auxiliary drill cutter body are directly reamed when the main drill cutter body is drilled, then a water-stopping needle head is installed and then grouting is carried out, the water-stopping needle head is directly buried into concrete after grouting is finished, the water-stopping needle head does not need to be removed, and the phenomenon of re-leakage caused by the removal of the water-stopping needle head is effectively avoided;

2, the main drill cutter body comprises a main drill section and a tip section, wherein one end of the main drill section is connected with the end part of the transition cutter body, the tip section is connected with the other end of the main drill section, and the tip section is positioned at the foremost end and is provided with a head array, so that the drilling efficiency is higher;

3. the installation handle is connected with the auxiliary drill cutter body through the connection body, the diameter of the connection body is gradually changed, the stress is uniform, the connection structure of the installation handle and the auxiliary drill cutter body is firmer, and the durability is improved.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural diagram of the present invention.

In the figure:

1. a main drill body; 101. a main drilling section; 102. a tip section;

2. a transition cutter body;

3. a sub-bit body;

4. an adaptor body;

5. a handle is installed;

501. mounting a column; 502. a straight groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1-2 of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model, are within the scope of the utility model.

As shown in fig. 1-2, a reamer bit comprises a main bit body 1, a transition bit body 2, an auxiliary bit body 3 and a mounting handle 5, wherein the main bit body 1, the transition bit body 2, the auxiliary bit body 3 and the mounting handle 5 are connected in sequence; the diameter of the auxiliary drill cutter body 3 is larger than that of the main drill cutter body 1, the diameter of the transition cutter body 2 is gradually changed, the diameter of one end, connected with the auxiliary drill cutter body 3, of the transition cutter body 2 is the same as that of the auxiliary drill cutter body 3, and the diameter of one end, connected with the main drill cutter body 1, of the transition cutter body 2 is the same as that of the main drill cutter body 1; the main drill cutter body 1, the transition cutter body 2 and the auxiliary drill cutter body 3 are provided with thread grooves in a penetrating way.

Concretely, a reamer bit includes that the main drilling cutter body 1, transition cutter body 2, vice drilling cutter body 3 and the installation handle 5 of connecting arrange in proper order from right side to left side. The main drill cutter body 1 punches a hole, the diameter of the auxiliary drill cutter body 3 is larger than that of the main drill cutter body 1, and the auxiliary drill cutter body 3 reams the hole. The diameter of the transition cutter body 2 gradually changes, the diameter of the left end of the transition cutter body 2 is the same as that of the auxiliary drill cutter body 3, and the diameter of the right end of the transition cutter body 2 is the same as that of the main drill cutter body 1. The transition cutter body 2 plays a good role in transition connection between the main drill cutter body 1 and the auxiliary drill cutter body 3. The main drill cutter body 1, the transition cutter body 2 and the auxiliary drill cutter body 3 are provided with thread grooves in a penetrating way. The installation handle 5 is installed on an electric drill, the electric drill works to drive the expanding bit to rotate, the main drill cutter body 1 is used for punching, the transition cutter body 2 and the auxiliary drill cutter body 3 are used for expanding holes, and additional expanding holes after punching are not needed, so that the construction efficiency is greatly improved; then install the stagnant water syringe needle and slip casting again, directly bury the stagnant water syringe needle inside the concrete after the slip casting is accomplished, need not to get rid of the stagnant water syringe needle, effectively avoided because of the compound hourglass phenomenon that the stagnant water syringe needle got rid of and leads to.

According to one embodiment of the present invention, as shown in fig. 1-2, the main drill body 1 includes a main drill section 101 connected at one end to an end of the transition cutter body 2, and a tip section 102 connected to the other end of the main drill section 101. The tip section 102 is in a leading array for more efficient drilling.

According to another embodiment of the utility model, as shown in fig. 1-2, the mounting shank 5 comprises a mounting column 501 connected with the end of the sub-drill body 3 through a connecting body 4, and two straight grooves 502 are symmetrically formed on the outer side wall of the mounting column 501. Two straight grooves 502 are arranged along the length direction of the mounting column 501, and the left end of the straight groove 502 penetrates through the left side wall of the mounting seat. The installation handle 5 can be quickly installed on the electric drill, is convenient to disassemble and assemble, and is reliable in transmission.

In one embodiment of the present invention, as shown in fig. 1-2, the sub-drill bit body 3 has a diameter larger than that of the mounting post 501, the adapter 4 has a gradually changing diameter, the left end of the adapter 4 has the same diameter as that of the mounting post 501, and the right end of the adapter 4 has the same diameter as that of the sub-drill bit body 3. The stress is uniform, so that the connection structure of the mounting handle 5 and the auxiliary drill cutter body 3 is firmer, and the durability is improved.

In another embodiment of the present invention, as shown in fig. 1-2, the main drill body 1, the transition tool body 2, the sub drill body 3 and the mounting shank 5 are integrally formed, so that the structure is firm, the manufacturing process is simple, and the production efficiency is high.

The working principle of the utility model is as follows: the installation handle 5 is installed on an electric drill, and the electric drill works to drive the expanding bit to rotate. The tip section 102 is at the foremost point array, making the perforation more efficient. The main drill cutter body 1 is used for drilling, and the transition cutter body 2 and the auxiliary drill cutter body 3 are used for reaming, so that additional reaming after drilling is not needed, and the construction efficiency is greatly improved. After punching and reaming are all accomplished, installation stagnant water syringe needle slip casting again, slip casting is accomplished the back and is direct buries the stagnant water syringe needle into inside the concrete, need not to get rid of the stagnant water syringe needle, has effectively avoided getting rid of the compound hourglass phenomenon that leads to because of the stagnant water syringe needle.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A reamer bit, characterized in that: the auxiliary drilling tool comprises a main drilling tool body (1), a transition tool body (2), an auxiliary drilling tool body (3) and an installation handle (5), wherein the main drilling tool body (1), the transition tool body (2), the auxiliary drilling tool body (3) and the installation handle (5) are sequentially connected;

the diameter of the auxiliary drilling cutter body (3) is larger than that of the main drilling cutter body (1), the diameter of the transition cutter body (2) is gradually changed, the diameter of one end, connected with the auxiliary drilling cutter body (3), of the transition cutter body (2) is the same as that of the auxiliary drilling cutter body (3), and the diameter of one end, connected with the main drilling cutter body (1), of the transition cutter body (2) is the same as that of the main drilling cutter body (1);

the main drilling cutter body (1), the transition cutter body (2) and the auxiliary drilling cutter body (3) are provided with thread grooves in a continuous mode.

2. The reamer bit of claim 1, wherein: the main drilling cutter body (1) comprises a main drilling section (101) and a tip section (102), wherein one end of the main drilling section (101) is connected with the end part of the transition cutter body (2), and the tip section is connected with the other end of the main drilling section (101).

3. The reamer bit of claim 1, wherein: the mounting handle (5) comprises a mounting column (501) connected with the end part of the auxiliary drill body (3) through a connecting body (4) and a plurality of straight grooves (502) uniformly formed in the outer side wall of the mounting column (501);

the straight groove (502) is arranged along the length direction of the mounting column (501).

4. The reamer bit of claim 3, wherein: the diameter of the auxiliary drill cutter body (3) is larger than that of the mounting column (501), the diameter of the connecting body (4) is gradually changed, the diameter of one end, connected with the mounting column (501), of the connecting body (4) is the same as that of the mounting column (501), and the diameter of one end, connected with the auxiliary drill cutter body (3), of the connecting body (4) is the same as that of the auxiliary drill cutter body (3).

5. The reamer bit of claim 1, wherein: the main drilling tool body (1), the transition tool body (2), the auxiliary drilling tool body (3) and the installation handle (5) are integrally formed.