CN208696391U - A kind of improvement structure of hole making drill - Google Patents
A kind of improvement structure of hole making drill Download PDFInfo
- Publication number
- CN208696391U CN208696391U CN201821407613.7U CN201821407613U CN208696391U CN 208696391 U CN208696391 U CN 208696391U CN 201821407613 U CN201821407613 U CN 201821407613U CN 208696391 U CN208696391 U CN 208696391U
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- China
- Prior art keywords
- positioning sleeve
- making drill
- hole making
- circumferential direction
- connect
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Abstract
The utility model discloses a kind of improvement structures of hole making drill, including connect handle and aperture body, entirely connect handle and are sequentially divided into centre drill portion, upper connecting thread portion, the limiting section that rotates in a circumferential direction, middle threaded joints, circle shank body portion and tail portion from top to bottom；The centre bore of the aperture body is connect with upper connecting thread portion, and hole making drill is provided at least one location hole in centre bore periphery interval layout；Even a positioning sleeve, positioning sleeve can be moved freely and can not be rotated down vertically the limiting section fit on set that rotates in a circumferential direction；Positioning sleeve top is equipped with fixed lobe；A locking knob is connected on the middle threaded joints, outer circle convex top and the positioning sleeve bottom of locking knob offset, and the upper rotation of locking knob will drive the positioning sleeve to move vertically.The self-tightening effect in the work of hole making drill body is completely eliminated in the utility model design, and so that hole making drill is connect handle and the disassembly of body can manually carry out, and does not need by other tools, has simple and practical in structure, and change the outfit convenient feature.
Description
Technical field
The present invention relates to a kind of hole making drill, the improvement structure of specially a kind of hole making drill.
Background technique
Existing hole making drill structure is as shown in Figure 1, it is mainly combined with aperture body 2 ' by connecing handle 1 ' constitutes, between the two directly
It connects and is connected using screw thread 11 ', although which is able to achieve effective connection of the two, but it has very big problem, i.e., in work
After work, since aperture body 2 ' is influenced that self-tightening effect can be generated by aperture reaction force, result will lead to aperture body 2 '
It is completely locked with handle 1 ' is connect, can not manually dismantle, the specific purpose tools such as spanner can only be used to be dismounted, this make need using
Very big inconvenience is brought to changing the outfit when the hole making drill of different size or type.
Summary of the invention
In view of the above-mentioned problems, the present invention devises a kind of improvement structure of hole making drill, which is completely eliminated hole making drill
Self-tightening effect in body work, so that hole making drill is connect handle and the disassembly of body can manually carry out, and not need by other tools,
With simple and practical in structure, change the outfit convenient feature.
To achieve the above object, the invention adopts the following technical scheme:
A kind of improvement structure of hole making drill, including connect handle and aperture body, it is characterised in that: entirely connect handle from top to bottom according to
Sequence is divided into centre drill portion, upper connecting thread portion, the limiting section that rotates in a circumferential direction, middle threaded joints, circle shank body portion and tail portion；It is described to open
The centre bore of hole body is connect with upper connecting thread portion, while hole making drill is provided at least one in centre bore periphery interval layout
A location hole；Even a positioning sleeve, positioning sleeve can move freely and nothing down the limiting section fit on set that rotates in a circumferential direction vertically
Method rotation；Positioning sleeve top is equipped with fixed lobe corresponding with the position of positioning hole；One is connected on the middle threaded joints
Locking knob, the outer circle convex top of locking knob offsets with positioning sleeve bottom to be connect, and the upper rotation of locking knob will be described in drive
Positioning sleeve moves vertically and fixed lobe is made to protrude into corresponding location hole the rotation stop bit for realizing aperture body.
Further, the above-mentioned limiting section that rotates in a circumferential direction is arranged to right prism shape or elliptic cylindrical shape.
Further, the outer diameter of the above-mentioned limiting section that rotates in a circumferential direction is greater than upper connecting thread portion and is formed on one between the two only
Plane, backspin in place stop bit of the upper position-arresting face for aperture body.
Further, square set is connected with and sets a protective cover under above-mentioned positioning sleeve, by being set in round shank body portion below protective cover
Spring positioning outer and with pre compressed magnitude, the bottom of spring are provided with spring base, outside spring base and the round shank body portion bottom
The external screw thread at end connects.
The present invention is by connecing on handle the mating connection in circumferential rotary stopper portion and positioning sleeve, so that positioning sleeve circumferentially limits,
Only can be carried out it is axial freely move up and down, and positioning sleeve move up will make its top fixed lobe and hole making drill with position
Hole is realized and is connected together, and then realizes the rotary stopper of aperture body, even if to make in the work of aperture body by aperture resistance
Influence will not rotate, self-tightening effect will not occur, avoid aperture body from occurring with the deadlock phenomenon for connecing handle, be not necessarily in use
The specific purpose tools such as spanner can manually carry out the disassembly of aperture body, be the band that changes the outfit of the hole making drill of different size or type
Carry out convenience.
Detailed description of the invention
The structural schematic diagram of Fig. 1, existing hole making drill；
Fig. 2, structural schematic diagram of the invention；
Fig. 3, the present invention connect the structural schematic diagram of handle；
The structural schematic diagram of Fig. 4, positioning sleeve of the present invention；
The sectional view in the portion A-A in Fig. 5, Fig. 3 of the present invention；
The structural schematic diagram of Fig. 6, present invention when changing the outfit.
Specific embodiment
As shown in Figure 2-5, the improvement structure of a kind of hole making drill, including connect handle 1 and aperture body 2.
Entirely connect handle 1 be sequentially divided into from top to bottom centre drill portion 11, upper connecting thread portion 12, the limiting section 13 that rotates in a circumferential direction,
Middle threaded joints 14, circle shank body portion 15 and tail portion 16.
The centre bore 21 of the aperture body 2 is connect with upper connecting thread portion 12, while aperture body 2 was at centre bore 21 weeks
Side interval layout is provided at least one location hole 22, and the location hole 22 being arranged in this diagram is two, in practice can root
According to needing to be set as one or more.
Here, the limiting section 13 that rotates in a circumferential direction in this diagram is arranged to straight hexagonal prisms to be able to achieve the limit function that rotates in a circumferential direction
Other right prism shapes or elliptic cylindrical shape can be used in shape in practice, and structural principle is identical, is not just describing herein.
Entirely rotating in a circumferential direction, even a positioning sleeve 3, positioning sleeve 3 are only capable of moving freely down vertically 13 fit on of limiting section set
And it can not rotate.3 top of positioning sleeve is equipped with fixed lobe 31 corresponding with 22 position of location hole.
It is connected on the middle threaded joints 14 and a locking knob 4 is set, at the top of the outer circle protrusion 41 of locking knob 4 and determined
Position 3 bottoms of set offset connection, and the upper rotation of locking knob 4 will drive the positioning sleeve 3 to move vertically and stretch fixed lobe 31
Enter in corresponding location hole 22, to realize the stop bit that rotates in a circumferential direction of aperture body 2.In use, locking knob 4 on be threaded through journey
Until 3 top of positioning sleeve and 2 bottom of aperture body tightly abut against, aperture body 2 will combine closely with the realization of handle 1 is connect at this time.
The tail portion 16 is connected with active rig.
The above structure is by connecing the mating connection of rotate in a circumferential direction limiting section 13 and positioning sleeve 3 on handle 1, so that positioning sleeve 3
Only can be carried out it is axial move up and down, and moving up for positioning sleeve 3 will make to position on the fixed lobe 31 on its top and aperture body 2
Hole 22 realize be connected together, and then realize aperture body 2 the limit that rotates in a circumferential direction, even if thus make aperture body 2 work in by
The influence of aperture resistance will not rotate, and will not generate self-tightening effect, can avoid aperture body 2 and send out with the deadlock phenomenon for connecing handle 1
It is raw, without specific purpose tools such as spanners in use, the disassembly of aperture body 2 manually can be realized, be different size or type
Changing the outfit for hole making drill brings convenience.
And locking knob 4 on be screwed into position, thus it is ensured that aperture body 2 work in do not slide up and down, make to connect handle 1 and open
Hole device body 2 is combined closely, and guarantees safety when aperture operation.
The outer diameter of the limiting section 13 that rotates in a circumferential direction is greater than upper connecting thread portion 12 and makes to form a upper position-arresting between the two
Face 131, backspin in place stop bit of the upper position-arresting face 131 for aperture body 2.
The lower square set of the positioning sleeve 3, which is connected with, sets a protective cover 5, and 5 lower section of protective cover is by being set in outside round shank body portion 15 simultaneously
Spring 6 with pre compressed magnitude positions, and the bottom of spring 6 is provided with spring base 61, spring base 61 and round 15 bottom of shank body portion
The external screw thread 151 of portion outer end connects.
The setting of the above protective cover 5, can act to control in operation that fugitive dust, aperture is broken cuts, and can protect operation people
The safety of member.
When needing to change the outfit hole making drill body 2, spring base and the external screw thread 151 of circle 15 bottom outer end of shank body portion are solved first
Remove, eliminate spring 6 positioning is held to the top of protective cover, then backspin locking knob 4, moves down positioning sleeve 3 gradually, the process until
The fixed lobe 31 at 3 top of positioning sleeve comes out completely from the location hole 22 of hole making drill body 2, can carry out aperture body at this time
2 unarmed disassembly and replacement operation, structure are as shown in Figure 6.
The above is only better embodiment of the invention, is not intended to limit the present invention in any form, all
Technical principle according to the present invention any simple modification, equivalent variations or modification made to the above embodiment, still fall within this hair
In the range of bright technical solution.
Claims (4)
1. a kind of improvement structure of hole making drill, including connect handle and aperture body, it is characterised in that: entirely connect handle from top to bottom sequentially
It is divided into centre drill portion, upper connecting thread portion, the limiting section that rotates in a circumferential direction, middle threaded joints, circle shank body portion and tail portion；The aperture
The centre bore of body is connect with upper connecting thread portion, while hole making drill is provided at least one in centre bore periphery interval layout
Location hole；It is described rotate in a circumferential direction limiting section fit on set even a positioning sleeve, positioning sleeve can move freely down vertically and can not
Rotation；Positioning sleeve top is equipped with fixed lobe corresponding with the position of positioning hole；One lock of connection on the middle threaded joints
Tight knob, the outer circle convex top of locking knob offsets with positioning sleeve bottom to be connect, and it is described fixed that the upper rotation of locking knob will drive
Position set moves vertically and fixed lobe is made to protrude into corresponding location hole the rotation stop bit for realizing aperture body.
2. a kind of improvement structure of hole making drill as described in claim 1, it is characterised in that: the limiting section setting that rotates in a circumferential direction
At right prism shape or elliptic cylindrical shape.
3. a kind of improvement structure of hole making drill as claimed in claim 1 or 2, it is characterised in that: the limiting section that rotates in a circumferential direction
Outer diameter be greater than upper connecting thread portion and form a upper position-arresting face between the two, upper position-arresting face for aperture body backspin in place
Stop bit.
4. a kind of improvement structure of hole making drill as claimed in claim 1 or 2, it is characterised in that: square set connects under the positioning sleeve
One protective cover is set, by being set in outside round shank body portion and the spring positioning with pre compressed magnitude below protective cover, the bottom of spring
Portion is provided with spring base, and spring base is connect with the external screw thread of the round shank body portion bottom outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407613.7U CN208696391U (en) | 2018-08-30 | 2018-08-30 | A kind of improvement structure of hole making drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407613.7U CN208696391U (en) | 2018-08-30 | 2018-08-30 | A kind of improvement structure of hole making drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208696391U true CN208696391U (en) | 2019-04-05 |
Family
ID=65944830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821407613.7U Active CN208696391U (en) | 2018-08-30 | 2018-08-30 | A kind of improvement structure of hole making drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208696391U (en) |
-
2018
- 2018-08-30 CN CN201821407613.7U patent/CN208696391U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220714 Address after: 325600 caiyue village, Qingjiang Town, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Bo Tian Tools Co.,Ltd. Address before: 318020 Cai Ao village, Qingjiang Town, Leqing City, Wenzhou City, Zhejiang Province Patentee before: Yu Anguo |