CN211939202U - Twist drill capable of preventing drill bit from loosening in use process - Google Patents
Twist drill capable of preventing drill bit from loosening in use process Download PDFInfo
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- CN211939202U CN211939202U CN202020661673.2U CN202020661673U CN211939202U CN 211939202 U CN211939202 U CN 211939202U CN 202020661673 U CN202020661673 U CN 202020661673U CN 211939202 U CN211939202 U CN 211939202U
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- block
- twist drill
- drill body
- movable block
- fixed block
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Abstract
The utility model discloses an avoid not hard up fluted drill of drill bit in use, including installation piece, movable block, fluted drill body and fixed block, the butt joint groove has been seted up to the surface of installation piece, and the outside nestification of installation piece installs the movable block, the axle head fixedly connected with torsion spring of movable block, and torsion spring is connected with the surface of installation piece, the middle-end of installation piece runs through installs the fluted drill body, and the surface upper end fixedly connected with fixed block of fluted drill body, the surface fixedly connected with installation piece of fixed block, and the installation piece is connected with the inboard in butt joint groove, the outage has been seted up in inlet channel's the outside. This avoid the not hard up fluted drill of drill bit in the use, the installation piece will be extruded with the inboard contact of movable block, and then make the stable inside activity of pressurized movable block to carry out the spacing work of secondary to the outer end of fluted drill body, avoid appearing not hard up phenomenon in its course of working.
Description
Technical Field
The utility model relates to a fluted drill technical field specifically is a fluted drill that drill bit is not hard up in avoiding the use.
Background
In the machining industry, a twist drill is a common drilling device, the twist drill is a tool for drilling a round hole of a workpiece by rotating and cutting the twist drill relative to a fixed axis, but the existing twist drill has certain defects, such as the defects;
1. the existing twist drill cannot effectively avoid the phenomenon that a drill bit is loosened in the using process, so that dangerous phenomena such as falling off and the like easily occur in the machining process, and further inconvenience is brought to the operation of a user;
2. the conventional twist drill does not have a good cooling effect, so that the phenomenon of easy damage in the working process is caused, and certain use defects exist.
In order to solve the above problems, innovative design based on the original twist drill structure is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an avoid not hard up fluted drill of drill bit in use to solve the unable not hard up phenomenon of drill bit in the unable effectual use of avoiding that provides in the above-mentioned background art, and then lead to dangerous phenomena such as easy appearance drops in its course of working, do not possess better cooling effect, lead to the problem of the phenomenon of easy appearance damage in its course of working.
In order to achieve the above object, the utility model provides a following technical scheme: a twist drill avoiding drill bit loosening in use comprises an installation block, a movable block, a twist drill body and a fixed block, wherein a butt joint groove is formed in the outer surface of the installation block, the movable block is embedded and installed on the outer side of the installation block, a torsion spring is fixedly connected to the shaft end of the movable block and is connected with the outer surface of the installation block, the twist drill body is installed at the middle end of the installation block in a penetrating mode, the fixed block is fixedly connected to the upper end of the outer surface of the twist drill body, the installation block is fixedly connected to the outer surface of the fixed block, a connecting block is connected to the inner side of the butt joint groove, magnets are fixedly connected to the outer sides of the movable block and the fixed block, fixing threads are fixedly connected to the outer sides of the connecting block and the twist drill body, a liquid inlet channel is formed in the middle end of the, and the liquid discharge hole is connected with the inner surface of the twist drill body.
Preferably, the mounting block and the twist drill body form a dismounting and mounting structure through a fixed thread, and the mounting block and the outer end of the movable block form a rotating structure.
Preferably, the movable block is of a zigzag structure in the front view, the movable block forms an elastic structure with the outer surface of the mounting block through a torsion spring, and the movable block forms magnetic connection with the outer surface of the fixed block through a magnet.
Preferably, the twist drill body and the inner side of the fixing block are of an integrated structure, and the diameter of the twist drill body is smaller than that of the fixing block.
Preferably, the upper end symmetry of fixed block is provided with 3 installation pieces, and the fixed block passes through the connecting block and constitutes extending structure with the inboard in butt joint groove to the surface of fixed block is laminated with the surface of connecting block mutually.
Preferably, the liquid discharge holes are symmetrically distributed about the central point of the liquid inlet channel, the front view of the liquid discharge holes is of an inclined structure, and the liquid discharge holes are communicated with the liquid inlet channel through the twist drill body.
Compared with the prior art, the beneficial effects of the utility model are that: the twist drill avoids the loosening of the drill bit in the using process;
1. the movable blocks are arranged in an equiangular distribution, after a user carries out threaded butt joint on the twist drill body and the mounting block through the fixed threads, the mounting block which moves along with the twist drill body is in contact with and extrudes the inner side of the movable block, and the pressed movable block is further enabled to move inwards stably, so that secondary limiting work is carried out on the outer end of the twist drill body, and the phenomenon of looseness in the machining process is avoided;
2. be provided with the outage that is the slope structure, the user can carry out the time of boring the during operation at this fluted drill body, carries out the work of empting of cooling water through inlet channel and predetermined infusion pipeline, and then makes cold water flow to the surface of fluted drill body through evenly distributed's outage to cooling heat dissipation work is carried out to the fluted drill body, and the effectual long-time operation of having avoided makes the drilling rod surface take place to damage or cracked phenomenon appear even, has improved the device life.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the mounting block of the present invention;
FIG. 3 is a schematic view of the movable block of the present invention viewed from the bottom;
fig. 4 is a schematic view of the top view structure of the mounting block of the present invention.
In the figure: 1. mounting blocks; 2. a butt joint groove; 3. a movable block; 4. a torsion spring; 5. a twist drill body; 6. a fixed block; 7. connecting blocks; 8. a magnet; 9. fixing threads; 10. a liquid inlet channel; 11. and a liquid discharge hole.
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. 1-4, the present invention provides a technical solution: a twist drill avoiding drill bit loosening in use comprises an installation block 1, a butt joint groove 2, a movable block 3, a torsion spring 4, a twist drill body 5, a fixed block 6, a connecting block 7, a magnet 8, a fixed thread 9, a liquid inlet channel 10 and a liquid outlet hole 11, wherein the butt joint groove 2 is formed in the outer surface of the installation block 1, the movable block 3 is installed on the outer side of the installation block 1 in a nested mode, the torsion spring 4 is fixedly connected to the shaft end of the movable block 3, the torsion spring 4 is connected with the outer surface of the installation block 1, the twist drill body 5 is installed at the middle end of the installation block 1 in a penetrating mode, the fixed block 6 is fixedly connected to the upper end of the outer surface of the twist drill body 5, the connecting block 7 is fixedly connected to the outer surface of the fixed block 6, the connecting block 7 is connected with the inner side of the butt joint groove 2, the magnets 8 are fixedly connected to the outer sides of the, and the middle end of the twist drill body 5 is provided with a liquid inlet channel 10, the outer side of the liquid inlet channel 10 is provided with a liquid outlet hole 11, and the liquid outlet hole 11 is connected with the inner surface of the twist drill body 5.
The installation piece 1 constitutes through fixed thread 9 and fluted drill body 5 and dismantles mounting structure, and the outer end of installation piece 1 and movable block 3 constitutes rotating-structure, can be stable through fixed thread 9 carry out preliminary spacing work between installation piece 1 and fluted drill body 5.
The movable block 3 is looked squarely and is the zigzag column structure, and the movable block 3 constitutes elastic construction through torsion spring 4 and the surface of installation piece 1 to the movable block 3 constitutes magnetism through magnet 8 and the surface of fixed block 6 and is connected, and through the movable block 3 that the equal angular distribution, the cooperation magnet 8 that can be stable carries out secondary spacing work to the fluted drill body 5.
The inboard of fluted drill body 5 and fixed block 6 is integral structure, and the diameter of fluted drill body 5 is less than the diameter of fixed block 6, the upper end symmetry of fixed block 6 is provided with 3 connecting blocks 7, and fixed block 6 constitutes extending structure through connecting block 7 and the inboard of butt joint groove 2, and the surface of fixed block 6 is laminated with the surface of installation piece 1 mutually, along with fluted drill body 5 carries out the connecting block 7 of position activity, 3 inboards extrusion work that contact that can be stable to the movable block.
The central point symmetric distribution about inlet channel 10 of outage 11, and the outage 11 orthographically is the slope column structure to outage 11 is put through with inlet channel 10 mutually through fluted drill body 5, and through the outage 11 of symmetric distribution, can be stable carry out cooling work to fluted drill body 5's surface, avoids its easy phenomenon that appears breaking down.
The working principle is as follows: when the twist drill avoiding the looseness of the drill bit in the use process is used, according to a figure 1, the device is firstly placed at a position needing to work, then a nested structure is carried out on the twist drill body 5 needing to be installed along the middle end of the installation block 1, and the fixed thread 9 is matched for limiting and fixing work, along with the inward movement of the twist drill body 5, the connection block 7 connected with the twist drill body through the fixed block 6 moves along the butt joint groove 2 in a position mode and contacts with the zigzag movable block 3 for applying pressure, at the moment, the pressed movable block 3 moves stably and oppositely until the pressed movable block contacts with the outer end of the twist drill body 5 and carries out limiting work through the magnet 8, so that secondary limiting work is carried out on the outer end of the twist drill body 5, and the phenomenon that the looseness occurs in the machining process is avoided;
according to the drawing, when this installation piece 1 carries out the drilling work through predetermineeing drive arrangement, can carry out cooling water conveying work along the inlet channel 10 of twist drill body 5 middle-end and the infusion pipeline of predetermineeing butt joint in the drive arrangement, and then make cold water flow to twist drill body 5's surface through 5 surface evenly distributed's of twist drill 11, thereby carry out cooling heat dissipation work to twist drill body 5, the effectual long-time operation of having avoided makes the drilling rod surface take place to damage or cracked phenomenon appear even, holistic practicality has been increased.
Those not described in detail in this specification are within the skill of the art.
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. The utility model provides an avoid not hard up fluted drill of drill bit in use, includes installation piece (1), movable block (3), fluted drill body (5) and fixed block (6), its characterized in that: the outer surface of the installation block (1) is provided with a butt joint groove (2), the outer side of the installation block (1) is nested with the movable block (3), the shaft end of the movable block (3) is fixedly connected with a torsion spring (4), the torsion spring (4) is connected with the outer surface of the installation block (1), the middle end of the installation block (1) is provided with a twist drill body (5) in a penetrating way, the outer surface upper end of the twist drill body (5) is fixedly connected with a fixed block (6), the outer surface of the fixed block (6) is fixedly connected with a connecting block (7), the connecting block (7) is connected with the inner side of the butt joint groove (2), the outer sides of the movable block (3) and the fixed block (6) are fixedly connected with magnets (8), the outer sides of the installation block (1) and the twist drill body (5) are fixedly connected with fixed threads (9), and the middle end of the twist drill body (5) is, and a liquid discharge hole (11) is formed in the outer side of the liquid inlet channel (10), and the liquid discharge hole (11) is connected with the inner surface of the twist drill body (5).
2. A twist drill for avoiding bit loosening during use according to claim 1, wherein: the mounting block (1) and the twist drill body (5) form a dismounting mounting structure through a fixed thread (9), and the mounting block (1) and the outer end of the movable block (3) form a rotating structure.
3. A twist drill for avoiding bit loosening during use according to claim 1, wherein: the movable block (3) is of a zigzag structure in the front view, the movable block (3) forms an elastic structure with the outer surface of the mounting block (1) through the torsion spring (4), and the movable block (3) forms magnetic connection with the outer surface of the fixed block (6) through the magnet (8).
4. A twist drill for avoiding bit loosening during use according to claim 1, wherein: the inner sides of the twist drill body (5) and the fixing block (6) are of an integrated structure, and the diameter of the twist drill body (5) is smaller than that of the fixing block (6).
5. A twist drill for avoiding bit loosening during use according to claim 1, wherein: the upper end symmetry of fixed block (6) is provided with 3 connecting blocks (7), and fixed block (6) constitute extending structure through connecting block (7) and the inboard of butt joint groove (2) to the surface of fixed block (6) is laminated mutually with the surface of installation piece (1).
6. A twist drill for avoiding bit loosening during use according to claim 1, wherein: the liquid discharge holes (11) are symmetrically distributed about the central point of the liquid inlet channel (10), the liquid discharge holes (11) are in an inclined structure in front view, and the liquid discharge holes (11) are communicated with the liquid inlet channel (10) through the twist drill body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020661673.2U CN211939202U (en) | 2020-04-27 | 2020-04-27 | Twist drill capable of preventing drill bit from loosening in use process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020661673.2U CN211939202U (en) | 2020-04-27 | 2020-04-27 | Twist drill capable of preventing drill bit from loosening in use process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211939202U true CN211939202U (en) | 2020-11-17 |
Family
ID=73163169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020661673.2U Expired - Fee Related CN211939202U (en) | 2020-04-27 | 2020-04-27 | Twist drill capable of preventing drill bit from loosening in use process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211939202U (en) |
-
2020
- 2020-04-27 CN CN202020661673.2U patent/CN211939202U/en not_active Expired - Fee Related
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| 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: 20201117 Termination date: 20210427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |