CN210548314U - Novel locking drill bit - Google Patents
Novel locking drill bit Download PDFInfo
- Publication number
- CN210548314U CN210548314U CN201921449538.5U CN201921449538U CN210548314U CN 210548314 U CN210548314 U CN 210548314U CN 201921449538 U CN201921449538 U CN 201921449538U CN 210548314 U CN210548314 U CN 210548314U
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- Prior art keywords
- fixed
- drill bit
- wall
- mounting
- lag
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- 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
Links
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 23
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 11
- 230000006378 damage Effects 0.000 abstract description 10
- 230000002633 protecting effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a drill bit technical field just discloses a novel shutting drill bit, including the installation head, the inside movable mounting of installation head has the drill bit that extends to installation head bottom. This novel shutting drill bit, through setting up the fixed disk, the mounting groove, movable block and ball, can make the rotating ring can not rotate when the fixed disk rotates, can make the lag can not follow the rotation when the drill bit rotates, set up fixed cover, promote spring and lag, the accessible promotes the spring and promotes the lag downstream downwards, until with the work piece contact, can avoid the sweeps can cause the injury to the staff when drilling to the work piece, through setting up the fixing base, can play stable effect, avoid fixed cover and lag to rotate, through setting up the bearing, can avoid fixed cover unstable phenomenon to appear, this structure has reached better protecting effect, can avoid drilling to cause the harm by the sweeps that the bullet flies to the staff, can more be favorable to the user to use.
Description
Technical Field
The utility model relates to a drill bit technical field specifically is a novel shutting drill bit.
Background
With the development of science and technology, electric tools are used more and more widely in mechanical engineering, wherein, a drill bit is also commonly used, the drill bit is a cutting tool adopted by a common drill or a drilling machine to cut a circular hole, and the commonly used drill bits mainly comprise a twist drill, a flat drill, a center drill, a deep hole drill and a trepanning drill.
The drill bit on the existing market has the advantages of simple structure and good wear-resisting effect, but most of the existing drill bits are not provided with a protection structure, the rotating speed of the drill bit is very high when a workpiece is machined, the drilled waste chips can cause certain damage to nearby workers, time and energy can be delayed at the moment, the machining process is influenced, and therefore a novel locking drill bit is provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a novel shutting drill bit, the utility model provides a possess advantages such as protecting effect is good, solved current drill bit and mostly do not set up protective structure, add the rotational speed of drill bit very high man-hour to the work piece, the sweeps that drills out can lead to the fact certain harm to near staff, will delay time and energy this moment to influence the problem of course of working.
(II) technical scheme
For realizing the good purpose of above-mentioned protecting effect, the utility model provides a following technical scheme: a novel locking drill bit comprises an installing head, wherein a drill bit extending to the bottom of the installing head is movably installed inside the installing head, a discharging groove is formed in the bottom of the outer side of the drill bit, a fixed disc is fixedly installed on the outer side of the drill bit and below the installing head, a mounting groove is formed in the outer side of the fixed disc, a movable block extending to the outer side of the fixed disc is movably installed in the groove of the mounting groove, a rotating ring is fixedly installed on the outer side of the movable block, balls in contact with the rotating ring are movably installed on the top and the bottom of the fixed disc, a fixed sleeve is fixedly installed at the bottom of the rotating ring, an installing cavity is formed in the fixing sleeve, pushing springs are fixedly installed on the front side, the rear side, the left side and the right side of the top wall of an inner cavity of the installing cavity, the bottoms of the four pushing springs are, the bottom fixed mounting of lag has the fixing base, the inner wall bottom fixed mounting of fixed cover has the bearing with drill bit fixed connection.
Preferably, the height of the installation cavity is greater than that of the protective sleeve, and the bottom of the fixed seat is fixedly provided with an anti-slip layer.
Preferably, the fixed seat is annular, and the difference between the diameter of the outer wall of the fixed seat and the diameter of the inner wall of the fixed seat is larger than the difference between the diameter of the outer wall of the protective sleeve and the diameter of the inner wall of the protective sleeve.
Preferably, the inner wall of the rotating ring is provided with two rolling grooves matched with the balls, and the push block is circular.
Preferably, the cross sections of the movable block and the mounting groove are both T-shaped, and the height of the side, close to the drill bit, of the cross sections of the movable block and the mounting groove is larger than the height of the side, far away from the drill bit, of the cross sections of the movable block and the mounting groove.
Preferably, the bottom of the fixed sleeve is provided with a through hole matched with the protective sleeve, the diameter of the inner wall of the through hole is larger than that of the inner wall of the push block, and the diameter of the outer wall of the through hole is smaller than that of the outer wall of the push block.
(III) advantageous effects
Compared with the prior art, the utility model provides a novel shutting drill bit possesses following beneficial effect:
this novel shutting drill bit, through setting up the fixed disk, the mounting groove, movable block and ball, can make the rotating ring can not rotate when the fixed disk rotates, can make the lag can not follow the rotation when the drill bit rotates, set up fixed cover, promote spring and lag, the accessible promotes the spring and promotes the lag downstream downwards, until with the work piece contact, can avoid the sweeps can cause the injury to the staff when drilling to the work piece, through setting up the fixing base, can play stable effect, avoid fixed cover and lag to rotate, through setting up the bearing, can avoid fixed cover unstable phenomenon to appear, this structure has reached better protecting effect, can avoid drilling to cause the harm by the sweeps that the bullet flies to the staff, can more be favorable to the user to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;
fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.
In the figure: the drilling machine comprises a mounting head 1, a drilling bit 2, a discharging groove 3, a fixed disc 4, a mounting groove 5, a movable block 6, a rotating ring 7, a ball 8, a fixed sleeve 9, a mounting cavity 10, a pushing spring 11, a pushing block 12, a protecting sleeve 13, a fixed seat 14 and a bearing 15.
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.
Referring to fig. 1-3, a novel locking drill comprises an installation head 1, a drill 2 extending to the bottom of the installation head 1 is movably installed inside the installation head 1, a discharge chute 3 is formed at the bottom of the outer side of the drill 2, a fixed disc 4 is fixedly installed on the outer side of the drill 2 and below the installation head 1, an installation groove 5 is formed on the outer side of the fixed disc 4, a movable block 6 extending to the outer side of the fixed disc 4 is movably installed in the installation groove 5, the sections of the movable block 6 and the installation groove 5 are both T-shaped, the height of the section of the movable block 6 and the section of the installation groove 5 close to one side of the drill 2 is larger than that of the section close to one side of the drill 2, a rotating ring 7 is fixedly installed on the outer side of the movable block 6, balls 8 contacting with the rotating ring 7 are movably installed on the outer wall of the fixed disc 4 and, the inner part of the fixed sleeve 9 is provided with a mounting cavity 10, the front side, the rear side, the left side and the right side of the top wall of the inner cavity of the mounting cavity 10 are fixedly provided with pushing springs 11, the bottoms of the four pushing springs 11 are fixedly connected with a push block 12, the inner wall of the rotating ring 7 is provided with two rolling grooves matched with the balls 8, the push block 12 is circular, the bottom of the push block 12 is fixedly provided with a protective sleeve 13 which penetrates through the mounting cavity 10 and extends to the bottom of the fixed sleeve 9, the bottom of the fixed sleeve 9 is provided with a through hole matched with the protective sleeve 13, the diameter of the inner wall of the through hole is larger than that of the push block 12, the diameter of the outer wall of the through hole is smaller than that of the push block 12, the bottom of the protective sleeve 13 is fixedly provided with a fixed seat 14, the height of the mounting cavity 10 is larger than that of the protective sleeve 13, the bottom of the fixed seat 14 is fixedly provided with an anti-slip layer, the bottom of the inner wall of the fixed sleeve 9 is fixedly provided with a bearing 15 which is fixedly connected with the drill bit 2, and by arranging the fixed disc 4, the mounting groove 5, the movable block 6 and the ball 8, the rotating ring 7 can not rotate when the fixed disc 4 rotates, the protective sleeve 13 can not rotate along with the rotation when the drill bit 2 rotates, the fixed sleeve 9, the pushing spring 11 and the protective sleeve 13 are arranged, the shield 13 can be pushed downwards, by means of the push spring 11, to move downwards, until it comes into contact with the workpiece, can avoid the injury of the working personnel caused by the scraps when the work piece is drilled, and through the arrangement of the fixed seat 14, can play a stabilizing effect, avoid the rotation of the fixed sleeve 9 and the protective sleeve 13, avoid the unstable phenomenon of the fixed sleeve 9 by arranging the bearing 15, this structure has reached better protecting effect, can avoid drilling to cause the harm to the staff by the sweeps that the bullet flies, can more be favorable to the user to use.
When the device is used, the protective sleeve 13 can be lifted upwards, so that the drill bit 2 is aligned to a position needing drilling, the protective sleeve 13 is put down, and the drilling machine is started to drill a workpiece.
To sum up, the novel locking drill bit has the advantages that the fixed disc 4, the mounting groove 5, the movable block 6 and the ball 8 are arranged, the rotating ring 7 can not rotate when the fixed disc 4 rotates, the protective sleeve 13 can not rotate along with the drill bit 2 when the drill bit rotates, the fixed sleeve 9, the pushing spring 11 and the protective sleeve 13 are arranged, the protective sleeve 13 can be pushed downwards by the pushing spring 11 until the protective sleeve is contacted with a workpiece, the phenomenon that scraps can damage workers when the workpiece is drilled can be avoided, the stabilizing effect can be achieved by arranging the fixed seat 14, the fixed sleeve 9 and the protective sleeve 13 are prevented from rotating, the unstable phenomenon of the fixed sleeve 9 can be avoided by arranging the bearing 15, the structure achieves a better protection effect, the phenomenon that the scraps blown by the drilling are damaged to most of the workers can be avoided, the novel locking drill bit is more beneficial to users, and the problem that the existing drill bit is not provided with a protection structure is solved, when the rotating speed of the drill bit is very high when a workpiece is processed, the drilled-out scraps may cause certain damage to nearby workers, and in this case, time and energy are delayed, and the processing progress is influenced.
It is to be noted that the terms "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (6)
1. A new type of blocking drill, comprising a mounting head (1), characterized in that: the inner movable mounting of the mounting head (1) is provided with a drill bit (2) extending to the bottom of the mounting head (1), the bottom of the outer side of the drill bit (2) is provided with a discharge chute (3), the outer side of the drill bit (2) is fixedly provided with a fixed disc (4) positioned below the mounting head (1), the outer side of the fixed disc (4) is provided with a mounting groove (5), the movable mounting of the mounting groove (5) is provided with a movable block (6) extending to the outer side of the fixed disc (4), the outer side of the movable block (6) is fixedly provided with a rotating ring (7), the outer wall of the fixed disc (4) is movably provided with balls (8) contacting with the rotating ring (7) at the top and the bottom of the movable block (6), the bottom of the rotating ring (7) is fixedly provided with a fixed sleeve (9), the mounting cavity (10) is arranged inside the fixed sleeve (9), and the pushing springs (11), four the bottom of promotion spring (11) all with ejector pad (12) fixed connection, the bottom fixed mounting of ejector pad (12) has lag (13) of running through installation cavity (10) and extending to fixed cover (9) bottom, and the bottom fixed mounting of lag (13) has fixing base (14), the inner wall bottom fixed mounting of fixed cover (9) has bearing (15) with drill bit (2) fixed connection.
2. The novel locking bit of claim 1, wherein: the height of the installation cavity (10) is larger than that of the protective sleeve (13), and an anti-skid layer is fixedly installed at the bottom of the fixed seat (14).
3. The novel locking bit of claim 1, wherein: the fixed seat (14) is annular, and the difference between the diameter of the outer wall of the fixed seat (14) and the diameter of the inner wall of the fixed seat is larger than the difference between the diameter of the outer wall of the protective sleeve (13) and the diameter of the inner wall of the protective sleeve.
4. The novel locking bit of claim 1, wherein: the inner wall of the rotating ring (7) is provided with two rolling grooves matched with the balls (8), and the push block (12) is circular.
5. The novel locking bit of claim 1, wherein: the cross-section of movable block (6) and mounting groove (5) is the T type, and the height that the cross-section of movable block (6) and mounting groove (5) is close to drill bit (2) one side is greater than its height of keeping away from drill bit (2) one side.
6. The novel locking bit of claim 1, wherein: the bottom of the fixed sleeve (9) is provided with a through hole matched with the protective sleeve (13), the diameter of the inner wall of the through hole is larger than that of the inner wall of the push block (12), and the diameter of the outer wall of the through hole is smaller than that of the outer wall of the push block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921449538.5U CN210548314U (en) | 2019-09-03 | 2019-09-03 | Novel locking drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921449538.5U CN210548314U (en) | 2019-09-03 | 2019-09-03 | Novel locking drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210548314U true CN210548314U (en) | 2020-05-19 |
Family
ID=70675056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921449538.5U Expired - Fee Related CN210548314U (en) | 2019-09-03 | 2019-09-03 | Novel locking drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210548314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951767A (en) * | 2021-07-08 | 2022-08-30 | 上海田硕机械有限公司 | Explosion-proof impact type high-performance drill bit |
| CN115990678A (en) * | 2023-03-23 | 2023-04-21 | 蓬莱京鲁渔业有限公司 | A accurate numerical control drilling equipment for shipbuilding industry |
-
2019
- 2019-09-03 CN CN201921449538.5U patent/CN210548314U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951767A (en) * | 2021-07-08 | 2022-08-30 | 上海田硕机械有限公司 | Explosion-proof impact type high-performance drill bit |
| CN115990678A (en) * | 2023-03-23 | 2023-04-21 | 蓬莱京鲁渔业有限公司 | A accurate numerical control drilling equipment for shipbuilding industry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |