CN108247111B - Combined hand drill - Google Patents
Combined hand drill Download PDFInfo
- Publication number
- CN108247111B CN108247111B CN201810048432.8A CN201810048432A CN108247111B CN 108247111 B CN108247111 B CN 108247111B CN 201810048432 A CN201810048432 A CN 201810048432A CN 108247111 B CN108247111 B CN 108247111B
- Authority
- CN
- China
- Prior art keywords
- cutter
- rotary shaft
- shaft tube
- pair
- spiral
- 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.)
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Links
- 239000004677 Nylon Substances 0.000 claims abstract description 7
- 229920001778 nylon Polymers 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/06—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by man-power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/003—Attachments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
- Drilling Tools (AREA)
Abstract
The invention discloses a combined hand drill, which comprises a rotary shaft tube, wherein a separable rocking handle is arranged above the rotary shaft tube, a separable cutter head assembly is arranged below the rotary shaft tube, a plurality of separable spiral cutter cylinders are arranged on the outer wall of the rotary shaft tube, each spiral cutter cylinder comprises a semi-cylindrical cylinder body, a spiral cutting blade which is spirally arranged is arranged on the outer wall of each cylinder body, and each cutter head assembly comprises a connecting transverse bar, a cutter seat, a pair of blades, a safety clamping rod and a storage box, and the spiral cutter cylinders and the cutter seats are all made of nylon. Once a certain spiral cutter barrel is damaged, the spiral cutter barrel can be directly replaced, and the maintenance cost is low. The spiral cutter cylinder and the cutter holder are made of nylon, so that the spiral cutter cylinder is light in weight and particularly suitable for carrying.
Description
Technical Field
The invention relates to a hand drill, in particular to a combined hand drill.
Background
The existing hand drill generally adopts a screw blade with an integral structure, and once the screw blade is damaged, the screw blade can hardly be maintained and can only be thrown away, so that waste is caused.
Disclosure of Invention
The invention mainly solves the technical problems existing in the prior art, thereby providing a combined hand drill.
The technical problems of the invention are mainly solved by the following technical proposal:
the invention discloses a combined hand drill which is characterized in that the combined hand drill comprises a rotating shaft tube, an upper positioning round hole is formed in the side part of the top of the rotating shaft tube, a plurality of lower positioning round holes are formed in the side wall of the bottom of the rotating shaft tube, a separable rocking handle is arranged above the rotating shaft tube, a separable tool bit assembly is arranged below the rotating shaft tube, a plurality of rocking handle round holes are formed in the bottom of the rocking handle, the rocking handle round holes are connected with the upper positioning round holes through a locking screw head, a plurality of separable spiral cutter barrels are arranged on the outer wall of the rotating shaft tube, each spiral cutter barrel comprises a semi-cylindrical barrel body, a spiral cutting piece which is spirally arranged is arranged on the outer wall of the barrel body, a plurality of through locking hole columns are arranged on the barrel body, and the locking hole columns are respectively connected with the lower positioning round holes through a connecting screw and a connecting nut.
As a preferred embodiment of the invention, the tool bit assembly comprises a connecting cross bar, a tool holder, a pair of blades, a safety clamping rod and a storage box, wherein a first cross bar round hole is formed in the middle of the connecting cross bar, a second cross bar round hole is formed in two ends of the connecting cross bar respectively, the tool holder comprises a main shaft and a seat block, a plurality of main shaft connecting holes are formed in the main shaft, a pair of fixing fins are symmetrically arranged on two sides of the seat block, a pair of fin round holes are formed in the bottom ends of the fixing fins respectively, a connecting flange is arranged on the shoulders of the fixing fins respectively, a flange through hole is formed in the connecting flange respectively, a pair of cross bar screws respectively penetrate through the second cross bar round hole and the flange through hole and are connected with a cross bar nut, a pair of blade holes are formed in the blades, a pair of blade screws respectively penetrate through the fin round holes and the blade holes, a bayonet is respectively formed in two sides of the storage box, and the safety clamping rod penetrates through the bayonet.
As a preferred embodiment of the invention, a plurality of reinforcing ribs are arranged on the inner wall of the cylinder.
As a preferred embodiment of the invention, the spiral cutter barrel and the cutter holder are made of nylon.
The combined hand drill has the following advantages: once a certain spiral cutter barrel is damaged, the spiral cutter barrel can be directly replaced, and the maintenance cost is low. The spiral cutter cylinder and the cutter holder are made of nylon, so that the spiral cutter cylinder is light in weight and particularly suitable for carrying. The combined hand drill has the advantages of simple structure, obvious effect, low cost and strong practicability.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a combination hand drill of the present invention;
FIG. 2 is an exploded perspective view of the combination hand drill of FIG. 1;
FIG. 3 is an enlarged schematic view of a detail of area A in FIG. 2;
FIG. 4 is a further exploded perspective view of the combination hand drill of FIG. 2;
FIG. 5 is an enlarged schematic view of a detail of area B in FIG. 4;
FIG. 6 is a further exploded perspective view of the combination hand drill of FIG. 2;
FIG. 7 is an enlarged schematic view of the detail of region C in FIG. 6;
wherein,,
1. combined hand drill; 2. a rotary shaft tube; 21. an upper positioning round hole; 22. a lower positioning round hole; 3. a spiral cutter cylinder; 31. a cylinder; 32. spiral cutting; 33. locking the hole column; 4. a rocking handle; 41. a rocking handle round hole; 5. locking the screw head; 6. a cutter head assembly; 61. a tool apron; 611. a main shaft; 6111. a spindle connection hole; 612. a seat block; 613. a fixing wing panel; 6131. a wing panel round hole; 614. a connecting flange; 6141. a flange through hole; 62. connecting the transverse bars; 621. a first cross bar round hole; 622. a second cross bar round hole; 63. a blade; 631. a blade hole; 64. a safety clamping rod; 65. a storage box; 651. a bayonet; 66. a cross bar screw; 67. a cross bar nut; 68. blade screws; 7. a connecting screw; 8. and (5) connecting the screw cap.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
As shown in fig. 1 to 7, the combined hand drill 1 comprises a rotary shaft tube 2, an upper positioning round hole 21 is formed on the top side portion of the rotary shaft tube 2, a plurality of lower positioning round holes 22 are formed on the bottom side wall of the rotary shaft tube 2, a separable rocking handle 4 is arranged above the rotary shaft tube 2, a separable tool bit assembly 6 is arranged below the rotary shaft tube 2, a plurality of rocking handle round holes 41 are formed at the bottom of the rocking handle 4, the rocking handle round holes 41 are connected with the upper positioning round holes 21 through a locking screw head 5, a plurality of separable spiral cutter barrels 3 are arranged on the outer wall of the rotary shaft tube 2, the spiral cutter barrels 3 comprise a semi-cylindrical barrel 31, a spiral cutting piece 32 which is spirally arranged is arranged on the outer wall of the barrel 31, a plurality of through locking hole columns 33 are arranged on the barrel 31, and the locking hole columns 33 are respectively connected with the lower positioning round holes 22 through a connecting screw 7 and a connecting screw cap 8.
A plurality of reinforcing ribs 311 are provided on the inner wall of the cylinder 31 for improving the strength of the cylinder 31.
As shown in fig. 6, the tool bit assembly 6 includes a connecting bar 62, a tool holder 61, a pair of blades 63, a safety catch 64 and a receiving box 65, a first bar round hole 621 is disposed in the middle of the connecting bar 62, a second bar round hole 622 is disposed at two ends of the connecting bar 62, the tool holder 61 includes a spindle 611 and a block 612, a plurality of spindle connecting holes 6111 are disposed on the spindle 611, a pair of fixing fins 613 are symmetrically disposed on two sides of the block 612, a pair of fin round holes 6131 are disposed at bottom ends of the fixing fins 613, a connecting flange 614 is disposed on shoulders of the fixing fins 613, a flange through hole 6141 is disposed on the connecting flange 614, a pair of bar screws 66 respectively penetrate the second bar round hole 622 and the flange through hole 6141 and are connected with a bar nut 67, a pair of blade holes 631 are disposed on the blade 63, a pair of blade screws 68 respectively penetrate the fin round hole 6131 and the blade hole 631, a bayonet 651 is disposed on two sides of the receiving box 65, and the safety catch 64 penetrates the bayonet 651.
The screw blade cylinder 3 and the blade holder 61 are both made of nylon.
The following describes the combined steps of the combined hand drill:
1. a plurality of spiral cutter drums 3 are mounted on the side wall of the rotary shaft tube 2, and the spiral cutter drums 3 are fixed by using a connecting screw 7 and a connecting nut 8;
2. the bottom of the rocking handle 4 is inserted into the head of the rotary shaft tube 2, and the rocking handle 4 is fixed by a locking screw head 5;
3. the main shaft 611 is inserted into the bottom of the rotary shaft pipe 2 and fixed to the bottom of the rotary shaft pipe 2 by means of the main shaft coupling hole 6111;
4. the user rotates the rocking handle 4 to directly start the ice drilling operation;
5. after the drilling is finished, the tool bit assembly 6 is stored in the storage box 65, and the safety clamping rod 64 penetrates through the bayonet 651, so that the tool bit assembly 6 is prevented from rotating accidentally.
Once a certain spiral cutter cylinder 3 is damaged, the spiral cutter cylinder can be directly replaced, and the maintenance cost is low. The spiral cutter cylinder 3 and the cutter seat 61 are made of nylon, so that the spiral cutter is light in weight and particularly suitable for carrying.
The combined hand drill has the advantages of simple structure, obvious effect, low cost and strong practicability.
Without being limited thereto, any changes or substitutions that are not contemplated by the inventors are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (3)
1. The combined hand drill is characterized in that the combined hand drill (1) comprises a rotary shaft tube (2), an upper positioning round hole (21) is formed in the side part of the top of the rotary shaft tube (2), a plurality of lower positioning round holes (22) are formed in the side wall of the bottom of the rotary shaft tube (2), a separable rocking handle (4) is arranged above the rotary shaft tube (2), a separable cutter head assembly (6) is arranged below the rotary shaft tube (2), a plurality of rocking handle round holes (41) are formed in the bottom of the rocking handle (4), the rocking handle round holes (41) are connected with the upper positioning round holes (21) through a locking screw head (5), a plurality of separable spiral cutter cylinders (3) are formed in the outer wall of the rotary shaft tube (2), the spiral cutter cylinders (3) comprise a semi-cylindrical cylinder body (31), spiral cutting pieces (32) are arranged on the outer wall of the cylinder body (31), a plurality of spiral cutting pieces (31) are arranged on the outer wall of the rotary shaft tube, the spiral cutter cylinders (31) are provided with a plurality of spiral cutting pieces (32) and are connected with a plurality of locking screw cylinders (33) through a plurality of locking screw holes (8),
the cutter head assembly (6) comprises a connecting transverse bar (62), a cutter holder (61), a pair of blades (63), a safety clamping rod (64) and a storage box (65), wherein a first transverse bar round hole (621) is formed in the middle of the connecting transverse bar (62), second transverse bar round holes (622) are formed in two ends of the connecting transverse bar (62) respectively, the cutter holder (61) comprises a main shaft (611) and a seat block (612), the main shaft (611) is provided with a plurality of main shaft connecting holes (6111), two sides of the seat block (612) are symmetrically provided with a pair of fixing fins (613), a pair of fins (6131) are respectively arranged at the bottom ends of the fixing fins (613), a connecting flange (614) is respectively arranged at the shoulder parts of the fixing fins (613), a flange through hole (6141) is respectively formed in the connecting flange (614), a pair of transverse bar screws (66) respectively penetrate through the second transverse bar round hole (622) and the flange through hole (6141) and are respectively, a pair of blades (631) are respectively provided with a pair of blades (67), a pair of blades (631) are respectively provided with a pair of fixing fins (6131), the safety card rod (64) penetrates through the bayonet (651).
2. The combination hand drill according to claim 1, wherein a plurality of reinforcing ribs (311) are provided on the inner wall of the barrel (31).
3. The combination hand drill according to claim 2, wherein the screw blade cylinder (3) and the blade holder (61) are both made of nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048432.8A CN108247111B (en) | 2018-01-18 | 2018-01-18 | Combined hand drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048432.8A CN108247111B (en) | 2018-01-18 | 2018-01-18 | Combined hand drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108247111A CN108247111A (en) | 2018-07-06 |
| CN108247111B true CN108247111B (en) | 2023-08-18 |
Family
ID=62726876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810048432.8A Active CN108247111B (en) | 2018-01-18 | 2018-01-18 | Combined hand drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108247111B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101352368A (en) * | 2008-07-17 | 2009-01-28 | 武汉康斯泰德科技有限公司 | Medical self-drilling self-tapping fixed bone spicule |
| CN201398285Y (en) * | 2009-03-19 | 2010-02-10 | 王跃龙 | Adjustable ridging and hilling spiral cutter |
| CN202162411U (en) * | 2011-07-31 | 2012-03-14 | 王林 | Portable hand bench drill |
| CN202183954U (en) * | 2011-07-20 | 2012-04-11 | 福建农林大学 | Stump breaking and drilling machine |
| CN202326654U (en) * | 2011-11-18 | 2012-07-11 | 曹泽通 | Locking clamp ring |
| CN204249032U (en) * | 2014-09-23 | 2015-04-08 | 浙江北工工具有限公司 | A kind of solid center bit |
| CN205422581U (en) * | 2016-03-23 | 2016-08-03 | 佀传胜 | Novel a combination formula is punched for water conservancy construction device |
| CN205866655U (en) * | 2016-03-24 | 2017-01-11 | 广东新宝电器股份有限公司 | Food processor's disconnect-type stirring sword |
| CN107178307A (en) * | 2017-05-10 | 2017-09-19 | 刘丽娟 | A kind of Assembled punch for water conservancy construction |
| CN207787783U (en) * | 2018-01-18 | 2018-08-31 | 泰州润元户外用品股份有限公司 | Combined hand brace |
-
2018
- 2018-01-18 CN CN201810048432.8A patent/CN108247111B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101352368A (en) * | 2008-07-17 | 2009-01-28 | 武汉康斯泰德科技有限公司 | Medical self-drilling self-tapping fixed bone spicule |
| CN201398285Y (en) * | 2009-03-19 | 2010-02-10 | 王跃龙 | Adjustable ridging and hilling spiral cutter |
| CN202183954U (en) * | 2011-07-20 | 2012-04-11 | 福建农林大学 | Stump breaking and drilling machine |
| CN202162411U (en) * | 2011-07-31 | 2012-03-14 | 王林 | Portable hand bench drill |
| CN202326654U (en) * | 2011-11-18 | 2012-07-11 | 曹泽通 | Locking clamp ring |
| CN204249032U (en) * | 2014-09-23 | 2015-04-08 | 浙江北工工具有限公司 | A kind of solid center bit |
| CN205422581U (en) * | 2016-03-23 | 2016-08-03 | 佀传胜 | Novel a combination formula is punched for water conservancy construction device |
| CN205866655U (en) * | 2016-03-24 | 2017-01-11 | 广东新宝电器股份有限公司 | Food processor's disconnect-type stirring sword |
| CN107178307A (en) * | 2017-05-10 | 2017-09-19 | 刘丽娟 | A kind of Assembled punch for water conservancy construction |
| CN207787783U (en) * | 2018-01-18 | 2018-08-31 | 泰州润元户外用品股份有限公司 | Combined hand brace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108247111A (en) | 2018-07-06 |
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