CN217897754U - Split type diamond bit - Google Patents
Split type diamond bit Download PDFInfo
- Publication number
- CN217897754U CN217897754U CN202221873479.6U CN202221873479U CN217897754U CN 217897754 U CN217897754 U CN 217897754U CN 202221873479 U CN202221873479 U CN 202221873479U CN 217897754 U CN217897754 U CN 217897754U
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- drill bit
- bit body
- connector
- connector body
- drilling machine
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Abstract
A split type diamond drill bit comprises a drill bit body, wherein the tail end part of the drill bit body is a drill bit part, the head end part of the drill bit body is provided with a quick connector, and the drill bit body is arranged on a drilling machine through the quick connector; the quick connector comprises a connector body, the upper part of the connector body is provided with an internal thread for mounting a drilling machine, and the lower part of the connector body is provided with an external thread; to sum up, the drill bit body of the utility model is arranged on the drilling machine through the quick coupling, and the drilling machine drives the quick coupling and the drill bit body to rotate at high speed, thereby performing drilling work; when part of the drill bit body is damaged, the quick connector can be screwed down, then the drill bit body is screwed down, and the drill bit body is directly replaced or separated, so that the replacement time is reduced; the upper part of the round platform positioning column is attached to the inner wall of the drill body, so that the drill body and the output shaft of the drilling machine are not concentric due to shaking during operation, the drill body is damaged, and the service life of the drill body is shortened.
Description
Technical Field
The utility model belongs to the technical field of the drilling bit accessory for the building engineering drilling, concretely relates to split type diamond bit.
Background
The drill bit with the cutting edge is called a diamond drill bit, the diamond drill bit is generally made of hard alloy, the working part of the drill bit and the handle part are of an integral structure, the working part of the drill bit is easy to wear during drilling and needs to be frequently replaced, and the working part and the handle part are of an integral structure, so that the drill bit can be integrally replaced when the working part of the drill bit needs to be replaced due to wear, materials are greatly wasted, and the cost of the drill bit is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a split type diamond bit, solve among the prior art change the drill bit inconvenient and the technical problem of drill bit and rig during operation decentraction.
In order to solve the technical problem, the utility model discloses a following technical scheme: a split type diamond drill bit comprises a drill bit body, wherein the tail end part of the drill bit body is a drill bit part, the head end part of the drill bit body is provided with a quick connector, and the drill bit body is arranged on a drilling machine through the quick connector;
the quick connector comprises a connector body, wherein the upper part of the connector body is provided with an internal thread for mounting a drilling machine, the lower part of the connector body is provided with an external thread, the upper end part of the drill bit body is provided with an internal thread matched with the external thread on the lower part of the connector body, and the lower part of the connector body is mounted on the upper end part of the drill bit body through the matching of the external thread and the internal thread;
the external thread at the lower part of the connector body is sleeved with a screw sleeve and a backing ring, the screw sleeve is arranged at the lower part of the connector body in a threaded manner, the backing ring is positioned between the screw sleeve and the upper end face of the drill bit body, and the backing ring is pressed and abutted against the upper end face of the drill bit body under the action of the screw sleeve.
Preferably, the inner hole of the backing ring is in a circular truncated cone shape.
Preferably, the upper part of the connector body is provided with a milling plane.
Preferably, the silk sleeve is provided with a plurality of notches.
Preferably, the lower end of the connector body is provided with a circular truncated cone positioning column, the circular truncated cone positioning column and the connector body are integrally formed, and the diameter of the upper end of the circular truncated cone positioning column is equal to the inner diameter of the drill bit body.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is characterized in that the drill body is arranged on the drilling machine through the quick connector, and the drilling machine drives the quick connector and the drill body to rotate at high speed, thereby performing drilling work; when part of the drill bit body is damaged, the quick connector can be screwed down, and then the drill bit body is screwed down, so that the drill bit body is directly replaced or separated, and the replacement time is reduced; the arrangement of the screw sleeve and the backing ring can further increase the connection strength of the quick connector and the drill bit body and prevent the drill bit body from loosening during working; the round platform positioning column is inserted into the drill bit body, the upper portion of the round platform positioning column is attached to the inner wall of the drill bit body, the drill bit body and the output shaft of the drilling machine are not concentric due to shaking when the drill bit body works, the drill bit body is damaged, and the service life of the drill bit body is shortened.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural view of a split diamond drill according to the present invention;
fig. 2 is a schematic structural view of the backing ring.
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.
The present invention will be described in further detail with reference to examples.
The utility model provides a split type diamond bit's concrete embodiment:
as shown in fig. 1 and 2, a split type diamond drill bit comprises a drill bit body 1, wherein a drill bit part 2 is arranged at the tail end part of the drill bit body 1, a quick coupling is arranged at the head end part of the drill bit body 1, and the drill bit body 1 is installed on a drilling machine through the quick coupling;
the quick connector comprises a connector body 3, wherein an internal thread for installing a drilling machine is formed in the upper portion of the connector body 3, an external thread is formed in the lower portion of the connector body 3, an internal thread matched with the external thread on the lower portion of the connector body 3 is formed in the upper end portion of the drill bit body 1, and the lower portion of the connector body 3 is installed at the upper end portion of the drill bit body 1 through the matching of the external thread and the internal thread;
the external screw thread of 3 lower parts of connector body is overlapped and is equipped with silk braid 4 and backing ring 5, and 4 threaded mounting of silk braid is in 3 lower parts of connector body, and backing ring 5 is located between silk braid 4 and the 1 up end of drill bit body, and under the effect of silk braid 4, 5 roof pressures of backing ring are contradicted at the up end of drill bit body 1.
When the drill bit body 1 needs to be used for working, a worker firstly installs the drill bit body 1 on a drilling machine through a quick connector, and drives the quick connector and the drill bit body 1 to rotate at a high speed through the drilling machine so as to drill; when part of the drill bit body 1 is damaged, the quick connector can be screwed down, and then the drill bit body 1 is screwed down, so that the drill bit body 1 is directly replaced, and the replacement time is reduced; the setting of silk cover 4 and backing ring 5 can further increase quick-operation joint and drill bit body 1's joint strength, prevents that drill bit body 1 during operation is not hard up.
In addition, preferably, the inner hole 6 of the backing ring 5 is in a circular truncated cone shape, so that the backing ring 5 can be better pressed on the end part of the drill bit body 1 under the action of the thread sleeve 4, and the drill bit body 1 is prevented from loosening; the upper portion of connector body 3 is provided with mills plane 8, mills setting up of plane 8 and facilitates the use open spanner operation quick-operation joint. A plurality of notches 9 are formed in the screw sleeve 4, so that the screw sleeve 4 can be conveniently screwed by a wrench.
As another embodiment of the present invention, a circular truncated cone positioning column 7 is disposed at the lower end of the connector body 3, the circular truncated cone positioning column 7 is integrally formed with the connector body 3, and the upper end diameter of the circular truncated cone positioning column 7 is equal to the inner diameter of the drill bit body 1; when the connector body 3 is connected with the drill bit body 1, the round platform positioning column 7 is inserted into the drill bit body 1, the upper portion of the round platform positioning column 7 is attached to the inner wall of the drill bit body 1, the drill bit body 1 can be effectively prevented from being eccentric with a drill output shaft due to shaking when the drill bit body 1 is in operation, the drill bit body 1 is damaged, and the service life of the drill bit body is shortened.
It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (5)
1. The utility model provides a split type diamond bit, includes the drill bit body, the trailing end of drill bit body is drill bit portion, its characterized in that: the drill bit body is arranged on the drilling machine through the quick connector;
the quick connector comprises a connector body, the upper part of the connector body is provided with an internal thread for installing a drilling machine, the lower part of the connector body is provided with an external thread, the upper end part of the drill bit body is provided with an internal thread matched with the external thread on the lower part of the connector body, and the lower part of the connector body is installed on the upper end part of the drill bit body through the matching of the external thread and the internal thread;
the external thread at the lower part of the connector body is sleeved with a screw sleeve and a backing ring, the screw sleeve is arranged at the lower part of the connector body in a threaded manner, the backing ring is positioned between the screw sleeve and the upper end face of the drill bit body, and the backing ring is pressed and abutted against the upper end face of the drill bit body under the action of the screw sleeve.
2. The split diamond drill bit of claim 1, wherein: the inner hole of the backing ring is in a round table shape.
3. The split diamond drill bit of claim 1, wherein: the upper part of the connector body is provided with a milling plane.
4. The split diamond drill bit of claim 1, wherein: the silk sleeve is provided with a plurality of notches.
5. The split diamond drill bit of claim 1, wherein: the lower extreme of connector body is provided with the round platform reference column, and round platform reference column and connector body integrated into one piece, the upper end diameter of round platform reference column equals the internal diameter of drill bit body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221873479.6U CN217897754U (en) | 2022-07-20 | 2022-07-20 | Split type diamond bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221873479.6U CN217897754U (en) | 2022-07-20 | 2022-07-20 | Split type diamond bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217897754U true CN217897754U (en) | 2022-11-25 |
Family
ID=84136346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221873479.6U Active CN217897754U (en) | 2022-07-20 | 2022-07-20 | Split type diamond bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217897754U (en) |
-
2022
- 2022-07-20 CN CN202221873479.6U patent/CN217897754U/en active Active
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