CN218745061U - Hard alloy composite drill bit - Google Patents
Hard alloy composite drill bit Download PDFInfo
- Publication number
- CN218745061U CN218745061U CN202222982547.9U CN202222982547U CN218745061U CN 218745061 U CN218745061 U CN 218745061U CN 202222982547 U CN202222982547 U CN 202222982547U CN 218745061 U CN218745061 U CN 218745061U
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- China
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- drill bit
- connecting box
- bit body
- threaded rod
- cover plate
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Abstract
The utility model discloses a carbide composite drill bit relates to drill bit technical field. The utility model discloses a protection section of thick bamboo is provided with the connecting box in, a protection section of thick bamboo, connecting box and a protection section of thick bamboo sliding connection, the top of connecting box is provided with rotates the seat, a protection section of thick bamboo's top is provided with the threaded rod, threaded rod and a protection section of thick bamboo threaded connection, the threaded rod is relative with rotating the seat position, the threaded rod extends to in rotating the seat and rotate with rotating the seat and be connected, set up flutedly in the connecting box, the inner wall of recess is provided with spacing ball, the bottom of connecting box is provided with the drill bit body, the top of drill bit body is provided with the top dish. The utility model discloses a cooperation that sets up a protection section of thick bamboo, threaded rod, connecting box, rotation seat, disc and connecting rod is used, can be with the drill bit body withdrawal to a protection section of thick bamboo when the drill bit body does not use in, protects the drill bit body through a protection section of thick bamboo, avoids the drill bit body to expose externally, avoids the drill bit body to damage, prolongs the life of drill bit body.
Description
Technical Field
The utility model belongs to the technical field of the drill bit, especially, relate to a carbide composite drill bit.
Background
The drill bit is a cutting tool used by a typical drill or drilling machine to cut a circular hole. The basic principle of the drill bit is to rotate the edge of the drill bit, cut a workpiece and remove drill cuttings by a drill slot. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Reamers and reamers are not capable of drilling solid materials, but they are also traditionally classified as drills.
The integral hard alloy composite drill bit with the public number CN213945019U authorized by China can fix a limiting bolt in a preformed hole, and further limit and fix a sleeve and a sleeve column, the use efficiency of the drill bit is increased, but certain defects exist when the drill bit is used, the protective structure for the drill bit is lacked when the drill bit is used, when the drill bit is exposed outside for a long time, the drill bit can be easily damaged, the service life of the drill bit is shortened, the practicability of the drill bit when the drill bit is used is reduced, and therefore the hard alloy composite drill bit is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a carbide composite drill to solved current problem: the patent of CN213945019U, which is an integral hard alloy composite drill bit granted by China, lacks a protective structure for the drill bit when in use, and when the drill bit is exposed outside for a long time, the drill bit is easy to damage, the service life of the drill bit is shortened, and the practicability of the drill bit in use is reduced.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a carbide composite drill bit, including a protection section of thick bamboo, be provided with the connecting box in the protection section of thick bamboo, connecting box and protection section of thick bamboo sliding connection, the top of connecting box is provided with rotates the seat, the top of a protection section of thick bamboo is provided with the threaded rod, threaded rod and protection section of thick bamboo threaded connection, the threaded rod is relative with rotating the seat position, the threaded rod extends to and rotates in the seat and rotate with rotating the seat and be connected, set up flutedly in the connecting box, the inner wall of recess is provided with spacing ball, the bottom of connecting box is provided with the drill bit body, the top of drill bit body is provided with the top dish, the top dish extends to in the recess, the top dish offsets with spacing ball, the outside of drill bit body is provided with the apron.
Furthermore, the cover plate is abutted to the connecting box, a fastening bolt is arranged in the cover plate and is in threaded connection with the cover plate, and the top end of the fastening bolt extends into the connecting box.
Furthermore, a spiral groove is formed in the drill bit body, a drill point is arranged at the bottom of the drill bit body, and the drill point extends to the bottom of the connecting box.
Furthermore, a disc is arranged at the top of the threaded rod and fixedly connected with the threaded rod, and a connecting rod is arranged on the outer surface of the disc.
Further, spacing ball is provided with a plurality ofly, and is a plurality of spacing ball all is the annular array around the center of recess and distributes, and is a plurality of the model of spacing ball is all the same.
Furthermore, the connecting rod is cylindrical, the connecting rod is fixedly connected with the disc, and anti-skidding grains are formed in the outer surface of the connecting rod.
Furthermore, the cover plate is circular, the cover plate is made of stainless steel, and the cross sectional area of the cover plate is the same as that of the connecting box.
Further, the rotating seat is arranged at the center of the top of the connecting box, and the rotating seat is arranged right below the threaded rod.
The utility model discloses following beneficial effect has:
1. the utility model discloses a cooperation that sets up a protection section of thick bamboo, threaded rod, connecting box, rotation seat, disc and connecting rod is used, can be with in the drill bit body retracts into a protection section of thick bamboo when the drill bit body does not use, protects the drill bit body through a protection section of thick bamboo, avoids the drill bit body to expose externally, avoids the drill bit body to damage, prolongs the life of drill bit body.
2. The utility model discloses a cooperation that sets up connecting box, fastening bolt, apron, spacing ball is used, can fix spacingly to the drill bit body, avoids the phenomenon that the drill bit body unexpected removal appears in the connecting box, can be convenient for change it when the drill bit body appears damaging simultaneously, and it is comparatively convenient to use.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a bottom view of the present invention;
FIG. 3 is a schematic view of the connection structure of the connection box and the threaded rod of the present invention;
fig. 4 is a schematic view of the connection structure of the connection box and the cover plate of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a protective cylinder; 2. a disc; 3. a connecting rod; 4. a threaded rod; 5. a drill bit body; 6. a helical groove; 7. drilling a tip; 8. a cover plate; 9. fastening a bolt; 10. a connection box; 11. a rotating seat; 12. a groove; 13. a limiting ball; 14. and (6) a top disk.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention relates to a hard alloy composite drill bit, which comprises a protective cylinder 1, a connection box 10 disposed in the protective cylinder 1, the connection box 10 slidably connected to the protective cylinder 1, a rotation seat 11 disposed on the top of the connection box 10, a threaded rod 4 disposed on the top of the protective cylinder 1, the threaded rod 4 threadedly connected to the protective cylinder 1, the threaded rod 4 being opposite to the rotation seat 11, the threaded rod 4 extending into the rotation seat 11 and rotatably connected to the rotation seat 11, a groove 12 disposed in the connection box 10, a position-limiting ball 13 disposed on the inner wall of the groove 12, a drill bit body 5 disposed on the bottom of the connection box 10, a top plate 14 disposed on the top of the drill bit body 5, the top plate 14 extending into the groove 12, the top plate 14 abutting against the position-limiting ball 13, a cover plate 8 disposed on the exterior of the drill bit body 5, the cover plate 8 abutting against the connection box 10, and a fastening bolt 9 disposed in the cover plate 8, the drill bit body 5 can be fixed and limited, the phenomenon that the drill bit body 5 moves accidentally in the connecting box 10 is avoided, meanwhile, when the drill bit body 5 is damaged, the drill bit body 5 can be conveniently replaced, the use is convenient, the fastening bolt 9 is in threaded connection with the cover plate 8, the top end of the fastening bolt 9 extends into the connecting box 10, the spiral groove 6 is formed in the drill bit body 5, the drill point 7 is arranged at the bottom of the drill bit body 5, when the drill bit body 5 is not used, the drill bit body 5 can be retracted into the protective cylinder 1, the drill bit body 5 is protected through the protective cylinder 1, the drill bit body 5 is prevented from being exposed outside, the damage to the drill bit body 5 is avoided, the service life of the drill bit body 5 is prolonged, the drill point 7 extends to the bottom of the connecting box 10, the disc 2 is arranged at the top of the threaded rod 4, and the disc 2 is fixedly connected with the threaded rod 4, the surface of disc 2 is provided with connecting rod 3, spacing ball 13 is provided with a plurality ofly, a plurality of spacing balls 13 all are the annular array distribution around the center of recess 12, the model homogeneous phase of a plurality of spacing balls 13, the shape of connecting rod 3 is cylindrical, connecting rod 3 and 2 fixed connection of disc, anti-skidding line has been seted up to the surface of connecting rod 3, the shape of apron 8 is circular, the material of apron 8 is the stainless steel, the cross-sectional area of apron 8 is the same with the cross-sectional area of connecting box 10, it sets up the top center department at connecting box 10 to rotate seat 11, it sets up under threaded rod 4 to rotate seat 11.
One specific application of this embodiment is: the top disc 14 at the top of the drill bit body 5 is inserted into the groove 12, a limiting ball 13 in the groove 12 is enabled to be abutted against the top disc 14, the cover plate 8 covers the bottom of the connecting box 10 at the moment, then the fastening bolt 9 is rotated to enable the top end of the fastening bolt 9 to extend into the connecting box 10, and further the drill bit body 5 and the connecting box 10 can be fixed together, when the drill bit body 5 is not used, the rotating disc 2 and the connecting rod 3 drive the threaded rod 4 to rotate through the disc 2 at the moment, the rotating seat 11 is driven when the threaded rod 4 rotates, the connecting box 10 and the drill bit body 5 move upwards, the drill bit body 5 retracts into the protective cylinder 1, the drill bit body 5 is protected through the protective cylinder 1, the drill bit body 5 is prevented from being exposed outside, the drill bit body 5 is prevented from being damaged, and the service life of the drill bit body 5 is prolonged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a carbide composite drill bit, includes a protective barrel (1), its characterized in that: the novel drilling bit is characterized in that a connecting box (10) is arranged in the protective barrel (1), the connecting box (10) is connected with the protective barrel (1) in a sliding mode, a rotating seat (11) is arranged at the top of the connecting box (10), a threaded rod (4) is arranged at the top of the protective barrel (1), the threaded rod (4) is in threaded connection with the protective barrel (1), the threaded rod (4) is opposite to the rotating seat (11), the threaded rod (4) extends into the rotating seat (11) and is connected with the rotating seat (11) in a rotating mode, a groove (12) is formed in the connecting box (10), a limiting ball (13) is arranged on the inner wall of the groove (12), a drill bit body (5) is arranged at the bottom of the connecting box (10), a top plate (14) is arranged at the top of the drill bit body (5), the top plate (14) extends into the groove (12), the top plate (14) is abutted to the limiting ball (13), and a cover plate (8) is arranged outside the drill bit body (5).
2. The cemented carbide composite drill bit of claim 1, wherein: the cover plate (8) is abutted to the connecting box (10), a fastening bolt (9) is arranged in the cover plate (8), the fastening bolt (9) is in threaded connection with the cover plate (8), and the top end of the fastening bolt (9) extends into the connecting box (10).
3. The cemented carbide composite drill bit of claim 1, wherein: a spiral groove (6) is formed in the drill bit body (5), a drill point (7) is arranged at the bottom of the drill bit body (5), and the drill point (7) extends to the bottom of the connecting box (10).
4. The cemented carbide composite drill bit of claim 1, wherein: the top of threaded rod (4) is provided with disc (2), disc (2) and threaded rod (4) fixed connection, the surface of disc (2) is provided with connecting rod (3).
5. The cemented carbide composite drill bit of claim 1, wherein: spacing ball (13) are provided with a plurality ofly, and are a plurality of spacing ball (13) all are the annular array around the center of recess (12) and distribute, and are a plurality of the model homogeneous phase of spacing ball (13) is the same.
6. The cemented carbide composite drill bit of claim 4, wherein: the connecting rod (3) is cylindrical, the connecting rod (3) is fixedly connected with the disc (2), and anti-skid grains are formed in the outer surface of the connecting rod (3).
7. The cemented carbide composite drill bit of claim 1, wherein: the cover plate (8) is circular, the cover plate (8) is made of stainless steel, and the cross sectional area of the cover plate (8) is the same as that of the connecting box (10).
8. The cemented carbide composite drill bit of claim 1, wherein: the rotating seat (11) is arranged at the center of the top of the connecting box (10), and the rotating seat (11) is arranged right below the threaded rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222982547.9U CN218745061U (en) | 2022-11-09 | 2022-11-09 | Hard alloy composite drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222982547.9U CN218745061U (en) | 2022-11-09 | 2022-11-09 | Hard alloy composite drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218745061U true CN218745061U (en) | 2023-03-28 |
Family
ID=85647230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222982547.9U Active CN218745061U (en) | 2022-11-09 | 2022-11-09 | Hard alloy composite drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218745061U (en) |
-
2022
- 2022-11-09 CN CN202222982547.9U patent/CN218745061U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 212000 Tiangong Industrial Park, Danbei Town, Danyang City, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Suowei Tools Co.,Ltd. Address before: 223900 Sihong Economic Development Zone, Suqian City, Jiangsu Province Patentee before: Jiangsu Suowei Tools Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |