CN215698262U - Small self-fastening drill chuck - Google Patents
Small self-fastening drill chuck Download PDFInfo
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- CN215698262U CN215698262U CN202122339463.9U CN202122339463U CN215698262U CN 215698262 U CN215698262 U CN 215698262U CN 202122339463 U CN202122339463 U CN 202122339463U CN 215698262 U CN215698262 U CN 215698262U
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- drill chuck
- drill
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Abstract
The utility model relates to the technical field of hardware tools, in particular to a small self-tightening drill chuck. The drill chuck comprises a drill chuck main body, wherein the lower end of the drill chuck main body is a conical chuck, a drill clamping jaw for clamping a drill bit is assembled in a central hole of the drill chuck main body, a mounting and dismounting head in a hexagonal prism shape is fixed on the bottom end face of the conical chuck, and the drill clamping jaw penetrates through the central hole of the mounting and dismounting head. The drill chuck is small in size, can meet the requirement of accurate operation in a narrow space, can finish the assembly and disassembly and locking operation of the drill chuck through the matching of the shifting wrench and the assembly and disassembly chuck when a plurality of drill bits are used side by side, is time-saving and labor-saving, is easy to operate, is more firm in connection, higher in precision and more durable because the top of the drill chuck main body is provided with the threaded assembly hole and is in threaded assembly with the connecting rod through the threaded assembly hole.
Description
Technical Field
The utility model relates to the technical field of hardware tools, in particular to a small self-tightening drill chuck.
Background
The drill chuck is one of the main accessories in the electric tool industry and the machine tool industry, and is widely applied to electric hand drills and drilling machines. The three main parameters of the drill chuck are precision, clamping force and clamping range, wherein the precision is used for controlling the jumping amount of a clamping handle tool so as to ensure the precision of a machined hole; the clamping force is used for ensuring that the clamped handle tool does not slip and preventing the handle tool from working due to slipping; the grip range is used to control the minimum and maximum diameters of the collet gripping tool to meet the operating requirements.
The drill chuck is structurally divided into two categories, namely a wrench type and a hand-tightening type. The wrench type drill chuck needs to be screwed by a wrench wheel and is mainly used in the machine tool industry, such as bench drills and electric hand drills. The hand-held drill chuck is mainly used on an electric hand drill. The spanner drill chuck is screwed up by the spanner wheel which is a bevel gear with an elongated force arm, so that the function of increasing torque and conveying people can be achieved in the screwing process, and the clamping force of the chuck is large. The spanner chuck has the advantages of simple structure, easy processing of parts, low price, reliable performance and the like, so the spanner chuck has wide application.
In the prior art, the size of a wrench drill chuck for a bench drill is large, the wrench drill chuck cannot accurately work in a narrow space, the assembly and disassembly of drill bits can only be completed by the matching of a wrench wheel and a wrench hole on the drill chuck, and when a plurality of drill bits are used side by side, the assembly and disassembly operation of the drill bits cannot be performed by the matching of the wrench wheel and the wrench hole; moreover, the taper hole is arranged at the center of the top end of the existing drill chuck, and when the drill chuck is installed, the taper hole is connected with the connecting rod in an assembling mode, so that the connection is not firm, the drill chuck is easy to loosen, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a small self-tightening drill chuck, which solves the technical problems.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a from compact form drill chuck, includes the drill chuck main part, the lower extreme of drill chuck main part is the cone-shaped chuck, be equipped with the drill bit clamping jaw that is used for the centre gripping drill bit in the centre bore of drill chuck main part, its characterized in that: the bottom end face of the conical head is fixedly provided with a mounting and dismounting head in a hexagonal prism shape, and the drill clamping jaw penetrates through a center hole of the mounting and dismounting head.
Preferably, the center of the top end of the drill chuck main body is provided with a threaded assembling hole.
Preferably, the top end of the drill chuck body is externally threaded with a top ring, and the outer wall of the top ring is provided with anti-skid threads and a top ring assembling and disassembling hole.
Preferably, the outer wall of the middle part of the drill chuck main body is provided with anti-skid grains, and a plurality of drill chuck assembling and disassembling holes are arranged above the anti-skid grain area.
Has the advantages that: compared with the prior art, the drill chuck has the advantages that the size is small, the requirement for accurate operation in a narrow space can be met, when a plurality of drill bits are used side by side, the assembling and disassembling operation and the locking operation of the drill chuck can be completed through the matching of the shifting wrench and the assembling and disassembling head, the time and the labor are saved, the operation is easy, meanwhile, the threaded assembling hole is formed in the top of the drill chuck main body, the threaded assembling is carried out through the threaded assembling hole and the connecting rod, the connection is firmer, the precision is higher, and the drill chuck is more durable.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a bottom view of FIG. 1;
fig. 3 is a top view of fig. 2.
Detailed Description
The utility model is further described with reference to the following figures and detailed description.
Example 1:
the self-tightening drill chuck is cast by steel, and is firm, durable and long in service life. As shown in fig. 1-3, the self-clinching drill chuck comprises a drill chuck body 3, the lower end of the drill chuck body 3 is a conical chuck 2, and a drill clamping jaw 7 for clamping a drill is assembled in the central hole of the drill chuck body 3. The bottom end face of the conical head 2 is fixed with a mounting and dismounting head 1 in a hexagonal prism shape, and the drill clamping jaw 7 penetrates through a central hole of the mounting and dismounting head 1. The top center of the drill chuck main body 3 is provided with a threaded assembling hole 8.
The drill chuck comprises a drill chuck body 3 and is characterized in that a top ring 5 is assembled on the top external thread of the drill chuck body 3, and anti-skid grains and a top ring wrench hole 6 are arranged on the outer wall of the top ring 5. The drill chuck comprises a drill chuck main body 3, wherein the middle outer wall of the drill chuck main body 3 is provided with anti-skid grains, and a plurality of drill bit wrench holes 4 are arranged above the anti-skid grain area.
The drill chuck is small in size, can meet the requirement of accurate operation in a narrow space, can finish the assembly and disassembly and locking operation of the drill chuck through the matching of the shifting wrench and the assembly and disassembly chuck 1 when a plurality of drill bits are used side by side, is time-saving and labor-saving, is easy to operate, is provided with the threaded assembly hole 8 at the top of the drill chuck main body 3, and is in threaded assembly with the connecting rod through the threaded assembly hole 8, so that the connection is firmer, the precision is higher, and the drill chuck is more durable.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and are within the scope of the present invention.
Claims (4)
1. The utility model provides a small-size self-clinching drill chuck, includes drill chuck main part (3), the lower extreme of drill chuck main part (3) is conical head (2), be equipped with drill bit clamping jaw (7) that are used for the centre gripping drill bit in the centre bore of drill chuck main part (3), its characterized in that: the bottom end face of the conical head (2) is fixed with a mounting and dismounting head (1) in a hexagonal prism shape, and the drill clamping jaw (7) penetrates through a center hole of the mounting and dismounting head (1).
2. The compact self-clinching drill chuck of claim 1, wherein: the top center of the drill chuck main body (3) is provided with a thread assembling hole (8).
3. The compact self-clinching drill chuck of claim 2, wherein: the drill chuck is characterized in that a top ring (5) is assembled on the outer thread of the top end of the drill chuck main body (3), and anti-skidding threads and a top ring wrench hole (6) are arranged on the outer wall of the top ring (5).
4. A compact self-clinching drill chuck according to any one of claims 1 to 3, wherein: the drill chuck is characterized in that anti-skid grains are arranged on the outer wall of the middle of the drill chuck main body (3), and a plurality of drill bit wrench holes (4) are arranged above the anti-skid grain area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122339463.9U CN215698262U (en) | 2021-09-26 | 2021-09-26 | Small self-fastening drill chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122339463.9U CN215698262U (en) | 2021-09-26 | 2021-09-26 | Small self-fastening drill chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215698262U true CN215698262U (en) | 2022-02-01 |
Family
ID=80025270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122339463.9U Active CN215698262U (en) | 2021-09-26 | 2021-09-26 | Small self-fastening drill chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215698262U (en) |
-
2021
- 2021-09-26 CN CN202122339463.9U patent/CN215698262U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |