CN217001704U - Multifunctional excavating drill bit - Google Patents

Multifunctional excavating drill bit Download PDF

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Publication number
CN217001704U
CN217001704U CN202123270808.6U CN202123270808U CN217001704U CN 217001704 U CN217001704 U CN 217001704U CN 202123270808 U CN202123270808 U CN 202123270808U CN 217001704 U CN217001704 U CN 217001704U
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CN
China
Prior art keywords
external
drill bit
drill
rod
internal thread
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202123270808.6U
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Chinese (zh)
Inventor
王延风
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Fengjia Tools Co ltd
Original Assignee
Jiangsu Fengjia Tools Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN202123270808.6U priority Critical patent/CN217001704U/en
Application granted granted Critical
Publication of CN217001704U publication Critical patent/CN217001704U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a multifunctional excavating drill bit which comprises a drill bit clamping rod, wherein one end of the drill bit clamping rod is fixedly connected with an external drill rod, one end of the external drill rod is fixedly connected with an external threaded sleeve, the external threaded sleeve is screwed and connected with an external drill bit, a first internal thread groove is formed in the external drill rod, a first middle external thread drill rod is screwed and connected in the first internal thread groove, a second middle drill bit is fixedly connected at one end of the middle external thread drill rod, a second internal thread groove is formed in the middle external thread drill rod, and a second internal thread groove is screwed and connected in the second internal thread groove. Has the advantages that: when the large-aperture excavating drill bit is used, the drill bit clamping rod is clamped on the drilling machine through the plurality of groups of clamping grooves, a required drill bit is selected to be used according to the actual use condition, when a large hole needs to be excavated, an external drill bit is screwed into the external threaded sleeve through the internal thread above the inner side, and the external drill bit is fixed, so that large-aperture excavation can be carried out.

Description

Multifunctional excavating drill bit
Technical Field
The utility model relates to the technical field of drill bits, in particular to a multifunctional excavating drill bit.
Background
During drilling, the drill bit is the primary tool for breaking rock and the borehole is formed by the drill bit breaking rock. The length of time a wellbore can take to form is related to the degree of mutual matching between the drill bit and the formation, in addition to the characteristics of the rock of the formation being drilled and the properties of the drill bit itself. The reasonable type selection of the drill bit plays an important role in improving the drilling speed and reducing the comprehensive drilling cost. When the excavating drill bit is used, various different drill bits are required to be used for excavating according to various different rock and soil conditions, most of the existing drill bits are single in function, various different drill bits are required to be replaced for use when different rock and soil excavating is carried out, and the use is very inconvenient.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the prior art not enough, provide a multi-functional excavation drill bit now, solved the most function singleness of current drill bit, need change various different drill bits when carrying out different ground excavation and use, use very inconvenient problem.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a multifunctional excavating drill bit which comprises a drill bit clamping rod, wherein one end of the drill bit clamping rod is fixedly connected with an external drill rod, one end of the external drill rod is fixedly connected with an external threaded sleeve, the external threaded sleeve is screwed and connected with an external drill bit, an internal thread groove I is formed in the external drill rod, the internal thread groove I is screwed and connected with a middle external thread drill rod, one end of the middle external thread drill rod is fixedly connected with a middle drill bit, an internal thread groove II is formed in the middle external thread drill rod, and the internal thread groove II is screwed and connected with an internal external thread drill rod.
Furthermore, one end of the internal external thread drill rod is fixedly connected with an internal drill bit.
Furthermore, a clamping groove is formed in one end of the drill clamping rod, and multiple groups of clamping grooves are formed in the number of the clamping grooves and are evenly formed in the outer side surface of one end of the drill clamping rod.
Further, the external thread is arranged on the outer side of the external thread sleeve in an annular structure, the external drill bit is in an annular structure, and the internal thread is arranged above the inner side of the external drill bit.
Furthermore, an internal thread is formed on the surface of the inner side of the internal thread groove, and an external thread is formed above the outer side of the middle external thread drill rod.
Furthermore, an internal thread is formed on the surface of the inner side of the inner thread groove, and an external thread is formed above the outer side of the internal external thread drill rod.
Further, the outer drill bit and the middle drill bit are both hollow annular structures.
(III) advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
1. when the large-aperture excavating tool is used, the drill bit clamping rod is clamped on the drilling machine through the plurality of groups of clamping grooves, a required drill bit is selected to be used according to the actual use condition, when a large hole needs to be excavated, an external drill bit is screwed into the external threaded sleeve through the internal thread above the inner side, and the external drill bit is fixed, so that large-aperture excavation can be carried out;
2. when the medium-aperture excavating device needs to excavate the medium aperture, the external drill bit is detached, the middle external thread drill rod is screwed into the first internal thread groove, and the middle drill bit is fixed, so that the small-aperture excavating work can be carried out.
3. Inside external screw thread drilling rod is gone into to two inside screws of inner thread groove, is fixed in inside the middle part drill bit with inside drill bit, can play the effect to the earlier step breakage of ground when excavating, can promote excavation efficiency, can improve the life of outside drill bit and middle part drill bit simultaneously, reduces wearing and tearing.
Drawings
FIG. 1 is a schematic structural view of a multi-function excavating bit according to the present invention;
fig. 2 is a sectional internal structure view of a multifunctional excavating bit according to the present invention.
The reference numerals are explained below:
1. a bit chuck rod; 2. an outer drill rod; 3. an externally threaded sleeve; 4. an outer drill bit; 5. a first internal thread groove; 6. a drill rod with an external thread in the middle; 7. a middle drill bit; 8. a second internal thread groove; 9. an internal externally threaded drill rod; 10. an inner drill bit; 11. a clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1-2, the multifunctional excavating drill according to the present embodiment includes a drill chuck rod 1, an external drill rod 2 is fixedly connected to one end of the drill chuck rod 1, an external threaded sleeve 3 is fixedly connected to one end of the external drill rod 2, the external threaded sleeve 3 is screwed to connect with an external drill bit 4, an internal threaded groove one 5 is formed inside the external drill rod 2, a middle external threaded drill rod 6 is screwed to connect with the internal threaded groove one 5, a middle drill bit 7 is fixedly connected to one end of the middle external threaded drill rod 6, an internal threaded groove two 8 is formed inside the middle threaded drill rod 6, and an internal external threaded drill rod 9 is screwed to connect with the internal threaded groove two 8.
Example one
One end of the internal external thread drill rod 9 is fixedly connected with an internal drill bit 10.
Example two
The drill bit clamping rod is characterized in that one end of the drill bit clamping rod 1 is provided with clamping grooves 11, and a plurality of groups of clamping grooves 11 are uniformly formed in the outer side surface of one end of the drill bit clamping rod 1.
EXAMPLE III
The outer threaded sleeve 3 is of an annular structure, an outer thread is formed in the outer side of the outer threaded sleeve, the outer drill bit 4 is of an annular structure, and an inner thread is formed above the inner side of the outer drill bit.
Example four
An internal thread is formed on the surface of the inner side of the first internal thread groove 5, and an external thread is formed above the outer side of the middle external thread drill rod 6.
EXAMPLE five
An internal thread is formed on the surface of the inner side of the inner thread groove II 8, and an external thread is formed above the outer side of the internal external thread drill rod 9.
EXAMPLE six
The outer drill bit 4 and the middle drill bit 7 are both hollow ring structures.
The specific implementation process of this embodiment is as follows: when in use, the drill clamping rod 1 is clamped on the drilling machine through the plurality of groups of clamping grooves 11, the required drill is selected for use according to the actual use condition, when a large hole needs to be dug, the external drill bit 4 is screwed into the external threaded sleeve 3 through the internal thread on the upper part of the inner side, the external drill bit 4 is fixed, large-aperture excavation can be carried out, when the medium aperture needs to be excavated, the external drill bit 4 is detached, the middle external thread drill rod 6 is screwed into the first internal thread groove 5, the middle drill bit 7 is fixed, then small-aperture excavation work can be carried out, the internal external thread drill rod 9 is screwed into the internal thread groove II 8, the internal drill bit 10 is fixed inside the middle drill bit 7, the effect of crushing the rock soil in one step can be played when excavating, the excavating efficiency can be improved, the service life of the external drill bit 4 and the middle drill bit 7 can be prolonged, and the abrasion is reduced.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims (7)

1. A multifunctional excavating bit comprising a bit clamping rod (1), characterized in that: the drill bit clamping rod is characterized in that one end of the drill bit clamping rod (1) is fixedly connected with an external drill rod (2), one end of the external drill rod (2) is fixedly connected with an external threaded sleeve (3), the external threaded sleeve (3) is in threaded connection with an external drill bit (4), a first internal thread groove (5) is formed in the external drill rod (2), a first internal thread groove (5) is in threaded connection with a middle external threaded drill rod (6), one end of the middle external threaded drill rod (6) is fixedly connected with a middle drill bit (7), a second internal thread groove (8) is formed in the middle external threaded drill rod (6), and a second internal thread groove (8) is in threaded connection with a second internal external threaded drill rod (9).
2. A multifunctional excavating bit according to claim 1 wherein: one end of the internal external thread drill rod (9) is fixedly connected with an internal drill bit (10).
3. A multifunctional excavating bit according to claim 1 wherein: the drill bit clamping rod is characterized in that clamping grooves (11) are formed in one end of the drill bit clamping rod (1), a plurality of groups of clamping grooves (11) are formed in the drill bit clamping rod, and the clamping grooves are evenly formed in the outer side surface of one end of the drill bit clamping rod (1).
4. A multifunctional excavating bit according to claim 1 wherein: the outer threaded sleeve (3) is of an annular structure, external threads are formed in the outer side of the annular structure, the outer drill bit (4) is of an annular structure, and internal threads are formed above the inner side of the annular structure.
5. A multi-function excavating bit according to claim 1 wherein: an internal thread is formed on the inner side surface of the first internal thread groove (5), and an external thread is formed above the outer side of the middle external thread drill rod (6).
6. A multi-function excavating bit according to claim 1 wherein: an internal thread is formed on the inner side surface of the second internal thread groove (8), and an external thread is formed above the outer side of the internal external thread drill rod (9).
7. A multi-function excavating bit according to claim 1 wherein: the outer drill bit (4) and the middle drill bit (7) are both hollow annular structures.
CN202123270808.6U 2021-12-24 2021-12-24 Multifunctional excavating drill bit Expired - Fee Related CN217001704U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123270808.6U CN217001704U (en) 2021-12-24 2021-12-24 Multifunctional excavating drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123270808.6U CN217001704U (en) 2021-12-24 2021-12-24 Multifunctional excavating drill bit

Publications (1)

Publication Number Publication Date
CN217001704U true CN217001704U (en) 2022-07-19

Family

ID=82387466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123270808.6U Expired - Fee Related CN217001704U (en) 2021-12-24 2021-12-24 Multifunctional excavating drill bit

Country Status (1)

Country Link
CN (1) CN217001704U (en)

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220719

CF01 Termination of patent right due to non-payment of annual fee