CN217964928U - Assembled drill bit - Google Patents
Assembled drill bit Download PDFInfo
- Publication number
- CN217964928U CN217964928U CN202222382075.3U CN202222382075U CN217964928U CN 217964928 U CN217964928 U CN 217964928U CN 202222382075 U CN202222382075 U CN 202222382075U CN 217964928 U CN217964928 U CN 217964928U
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- clamping
- rod
- transverse
- drill bit
- threaded
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Abstract
An assembled drill bit comprises a handle rod and a drill bit body, wherein the lower end of the handle rod is sequentially provided with a mounting hole, a threaded hole and a clamping blind hole from bottom to top; the upper end of the handle rod is sequentially connected with an installation shaft, a threaded connecting rod and a clamping and connecting rod from bottom to top; the threaded connecting rod is in threaded connection with the threaded hole; a transverse sliding groove is formed in the side edge of the clamping blind hole of the handle rod; a clamping device is arranged in the transverse sliding chute; the clamping device comprises a transverse clamping block which is transversely connected in the transverse sliding groove in a sliding manner; a spring is arranged between the transverse clamping block and the bottom wall of the transverse sliding chute; the outer end of the transverse clamping block is connected with a fixed rod; the outer end of the fixed rod penetrates through the spring and the handle rod to be connected with a fixed cap; and a bayonet corresponding to the transverse clamping block is arranged on the side edge of the clamping rod. The utility model discloses the connected mode is connected can be dismantled in handle pole and drill bit body adoption to prevent not hard up through latch device, damage the back at the drill bit body, convenient the change.
Description
Technical Field
The utility model relates to an assembled drill bit.
Background
The drill bit is a common tool for drilling and reaming, and when the drill bit drills, a workpiece is cut mainly through the bottom end of the drill bit body. There are many types of drill bits, for example: in the daily use process of the cross-shaped drill bit, the drill bit body is easy to damage due to long-time cutting, so that the drill bit convenient for replacing the drill bit body is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is exactly in order to solve and provide an assembled drill bit technical problem convenient to change the drill bit body.
In order to solve the technical problem, the utility model relates to an assembled drill bit's technical solution does:
the drill bit comprises a handle rod and a drill bit body, wherein the lower end of the handle rod is sequentially provided with a mounting hole, a threaded hole and a clamping blind hole from bottom to top; the mounting hole, the threaded hole and the clamping blind hole are coaxial; the upper end of the handle rod is sequentially connected with an installation shaft, a threaded connecting rod and a clamping rod from bottom to top; the mounting shaft, the threaded connecting rod and the clamping rod are coaxial; the threaded connecting rod is in threaded connection with the threaded hole; a transverse sliding groove is formed in the side edge of the clamping blind hole of the handle rod; a clamping device is arranged in the transverse sliding chute; the clamping device comprises a transverse clamping block which is connected in the transverse sliding chute in a transverse sliding manner; a spring is arranged between the transverse clamping block and the bottom wall of the transverse sliding chute; the outer end of the transverse clamping block is connected with a fixed rod; the outer end of the fixed rod penetrates through the spring and the handle rod to be connected with a fixed cap; a bayonet corresponding to the transverse clamping block is arranged on the side edge of the clamping rod; when the threaded connecting rod is in threaded connection with the threaded hole, the mounting shaft is located in the mounting hole, the clamping rod is located in the clamping blind hole, the outer end of the transverse clamping block is located in the transverse sliding groove, and the inner end of the transverse clamping block is clamped in the clamping hole.
An inclined guide surface is arranged below the inner end of the transverse clamping block, and an inclined guide ring surface corresponding to the inclined guide surface is arranged on the outer periphery of the upper end of the clamping rod.
Horizontal chutes are formed in two sides of the clamping blind hole of the handle rod, clamping devices are mounted in the horizontal chutes, and bayonets are formed in two sides of the corresponding clamping rods.
The fixing cap is in threaded connection with the fixing rod.
A placing groove for placing a fixing cap is formed in the outer side of the handle rod.
Handle pole, installation axle, threaded connection pole and joint pole integrated into one piece.
The utility model discloses the technological effect that can reach is: the utility model discloses the connected mode is connected can be dismantled in handle pole and drill bit body adoption to prevent not hard up through latch device, damage the back at the drill bit body, convenient the change.
Drawings
The invention will be described in further detail with reference to the following drawings and detailed description:
FIG. 1 is a cross-sectional view of an assembled drill bit of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of an assembled drill according to the present invention;
FIG. 4 is an exploded view of an assembly drill of the present invention;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is a schematic view of the structure of the handle;
fig. 7 is an enlarged view of the portion C of fig. 6.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
See fig. 1-7.
An assembled drill bit comprises a handle rod 1 and a drill bit body 2, wherein the lower end of the handle rod 1 is sequentially provided with a mounting hole 3, a threaded hole 4 and a clamping blind hole 5 from bottom to top; the mounting hole 3, the threaded hole 4 and the clamping blind hole 5 are coaxial; the upper end of the handle rod 1 is sequentially connected with an installation shaft 6, a threaded connecting rod 7 and a clamping rod 8 from bottom to top; the mounting shaft 6, the threaded connecting rod 7 and the clamping rod 8 are coaxial; the threaded connecting rod 7 is in threaded connection with the threaded hole 4; a transverse sliding groove 9 is formed in the side edge of the clamping blind hole 5 of the handle rod 1; a clamping device is arranged in the transverse sliding chute 9; the clamping device comprises a transverse clamping block 10 which is transversely connected in the transverse sliding groove 9 in a sliding manner; a spring 11 is arranged between the transverse fixture block 10 and the bottom wall of the transverse sliding chute 9; the outer end of the transverse fixture block 10 is connected with a fixed rod 12; the outer end of the fixed rod 12 passes through the spring 11 and the handle rod 1 to be connected with a fixed cap 13; a bayonet 14 corresponding to the transverse clamping block 10 is arranged on the side edge of the clamping rod 8; when the threaded connecting rod 7 is in threaded connection with the threaded hole 4, the mounting shaft 6 is located in the mounting hole 3, the clamping rod 8 is located in the clamping blind hole 5, the outer end of the transverse clamping block 10 is located in the transverse sliding groove 9, and the inner end of the transverse clamping block 10 is clamped in the clamping opening 14.
Specifically, an inclined guide surface 21 is formed below the inner end of the transverse clamping block 10, and an inclined guide ring surface 22 corresponding to the inclined guide surface 21 is formed on the outer periphery of the upper end of the clamping rod 8.
Specifically, horizontal chutes 9 are formed in two sides of the clamping blind hole 5 of the handle rod 1, clamping devices are mounted in the horizontal chutes 9, and bayonets 14 are formed in two sides of the corresponding clamping rod 8.
Specifically, the fixing cap 13 is screwed with the fixing rod 12.
Specifically, a placing groove 31 for placing the fixing cap 13 is formed on the outer side of the handle 1.
Specifically, the handle rod 1, the mounting shaft 6, the threaded connecting rod 7 and the clamping rod 8 are integrally formed.
The specific description is as follows: the utility model discloses in the installation of drill bit body 2, only need to screw drill bit body 2 on handle pole 1 until horizontal fixture block 10 inner card in bayonet socket 14 can, specifically, revolve threaded connection pole 7 on screw hole 4, when just beginning, horizontal fixture block 10 because of slope spigot surface 21 cooperates with slope guide ring face 22 of clamping pole 8 upper end, along with slowly screwing of threaded connection pole 7, clamping pole 8 slowly moves up, horizontal fixture block 10 can contract in horizontal spout 9, spring 11 is compressed, until threaded connection pole 7 screws completely, bayonet socket 14 and horizontal fixture block 10 of clamping pole 8 side correspond, spring 11 pushes up horizontal fixture block 10 inner end in bayonet socket 14 because of the reconversion (refer to figure 2), at this moment drill bit body 2 is locked, be difficult to become flexible; when the drill bit body 2 needs to be detached, the fixing cap 13 is firstly pulled outwards, the inner end of the transverse fixture block 10 is pulled out of the bayonet 14 through the fixing cap 13, and then the drill bit body 2 can be screwed down for replacement.
Claims (6)
1. An assembled drill bit, includes shank (1) and drill bit body (2), its characterized in that: the lower end of the handle rod (1) is sequentially provided with a mounting hole (3), a threaded hole (4) and a clamping blind hole (5) from bottom to top; the mounting hole (3), the threaded hole (4) and the clamping blind hole (5) are coaxial; the upper end of the handle rod (1) is sequentially connected with an installation shaft (6), a threaded connecting rod (7) and a clamping and connecting rod (8) from bottom to top; the mounting shaft (6), the threaded connecting rod (7) and the clamping rod (8) are coaxial; the threaded connecting rod (7) is in threaded connection with the threaded hole (4); a transverse sliding groove (9) is formed in the side edge of the clamping blind hole (5) of the handle rod (1); a clamping device is arranged in the transverse sliding groove (9); the clamping device comprises a transverse clamping block (10) which is connected in a transverse sliding way in the transverse sliding groove (9); a spring (11) is arranged between the transverse clamping block (10) and the bottom wall of the transverse sliding groove (9); the outer end of the transverse clamping block (10) is connected with a fixed rod (12); the outer end of the fixed rod (12) penetrates through the spring (11) and the handle rod (1) to be connected with a fixed cap (13); a bayonet (14) corresponding to the transverse clamping block (10) is arranged on the side edge of the clamping rod (8); when the threaded connecting rod (7) is in threaded connection with the threaded hole (4), the mounting shaft (6) is located in the mounting hole (3), the clamping rod (8) is located in the clamping blind hole (5), the outer end of the transverse clamping block (10) is located in the transverse sliding groove (9), and the inner end of the transverse clamping block (10) is clamped in the bayonet (14).
2. The modular drill bit of claim 1, wherein: an inclined guide surface (21) is formed below the inner end of the transverse clamping block (10), and an inclined guide ring surface (22) corresponding to the inclined guide surface (21) is formed on the outer periphery of the upper end of the clamping rod (8).
3. A modular drill bit according to claim 1 or 2, characterized in that: horizontal chutes (9) are formed in two sides of the clamping blind hole (5) of the handle rod (1), clamping devices are mounted in the horizontal chutes (9), and bayonets (14) are formed in two sides of the corresponding clamping rod (8).
4. The modular drill bit of claim 1, wherein: the fixing cap (13) is in threaded connection with the fixing rod (12).
5. An assembly drill bit according to claim 1 or 4, characterized in that: a placing groove (31) for placing a fixing cap (13) is formed in the outer side of the handle rod (1).
6. The modular drill bit of claim 1, wherein: the handle rod (1), the mounting shaft (6), the threaded connecting rod (7) and the clamping rod (8) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222382075.3U CN217964928U (en) | 2022-09-07 | 2022-09-07 | Assembled drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222382075.3U CN217964928U (en) | 2022-09-07 | 2022-09-07 | Assembled drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217964928U true CN217964928U (en) | 2022-12-06 |
Family
ID=84263379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222382075.3U Active CN217964928U (en) | 2022-09-07 | 2022-09-07 | Assembled drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217964928U (en) |
-
2022
- 2022-09-07 CN CN202222382075.3U patent/CN217964928U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |