CN211491275U - Chuck wrench - Google Patents
Chuck wrench Download PDFInfo
- Publication number
- CN211491275U CN211491275U CN202020020371.7U CN202020020371U CN211491275U CN 211491275 U CN211491275 U CN 211491275U CN 202020020371 U CN202020020371 U CN 202020020371U CN 211491275 U CN211491275 U CN 211491275U
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- nut
- adjusting
- jaw
- adjusting nut
- jack catch
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Abstract
The utility model relates to a chuck spanner, include: jack catch, adjusting bolt, lock nut, rivet, jack catch seat, adjusting nut, handle, its characterized in that: two jack catchs can the free rotation through rivet and jack catch seat connection, jack catch seat middle part is equipped with the screw hole and links to each other with adjusting bolt, adjusting bolt is last to have lock nut, jack catch seat lower extreme is equipped with two sections screw threads, one section links to each other with adjusting nut, the adjusting nut top is equipped with the chamfer, when adjusting nut upwards twists, the jack catchs under the promotion of adjusting nut chamfer face, the opening size increases, when adjusting nut twists downwards, the jack catch opening reduces, another section screw thread links to each other with the handle, during the use operator rotates adjusting nut and adjusts jack catch opening size, behind chucking cutter body nut groove, adjust adjusting bolt top at cutter body nut excircle, then lock nut, form three fulcrum, it is tight to press from both sides, it is firm to press from both sides than the eave tile spanner, the turning handle, it is more convenient to load and unload the nut, be.
Description
Technical Field
The utility model relates to a manual hardware and tools technical field, specific multipurpose hand tool spanner for high-grade numerical control machine tool that says so.
Background
At present, a large number of cutter bodies of common numerical control high-grade machine tools are available, such as American ER, BPS, NBN and Chinese LN series, cutter body chuck nuts are required to be assembled and disassembled, hook end wrenches of different specifications are required, the existing hook end wrench consists of two hook ends, the phenomena of small contact surface, uneven stress, easiness in falling off and the like exist, certain potential safety hazards exist, and cutter body nuts of various types can only use hook end wrenches of corresponding specifications. A digit control machine tool uses the unfavorable safety of multiple instrument, lean production and 6S on-the-spot settlement management, changes the instrument when changing the cutter body moreover, and the operation is wasted time and energy, has increased the additional time for actual production, influences work efficiency.
Disclosure of Invention
The utility model aims at overcoming the not enough of above-mentioned technique, provide a dop spanner of reasonable in design, simple structure, easy manufacturing, convenient to use, clamp tightly firm, can load and unload the different series cutter body nuts of arbitrary diameter.
The utility model provides a scheme that its technical problem took is: a chuck wrench, which is characterized in that: the wrench includes: the clamping jaw is provided with two clamping jaws, the head of each clamping jaw is provided with a protrusion, the width of each protruding hook head is smaller than that of a tool shank nut groove to be screwed, the gap during working is effectively guaranteed, and the arc of the corner of each protruding hook head is excessive, so that the strength of the protruding hook head is enhanced, and the occurrence of a fracture phenomenon is prevented; the tail part of the clamping jaw is provided with an arc-shaped bulge, the arc-shaped bulge is connected with an inclined plane, and the tail part of the clamping jaw is also provided with a through hole connected with the clamping jaw seat.
The left side and the right side of the jaw seat are provided with a groove and two through holes, the two jaws are respectively arranged in the two grooves of the jaw seat and connected with the jaw seat through a rivet, and the jaws rotate by taking the rivet as an axis; the middle part of the jaw seat is provided with a threaded hole, an adjusting bolt is connected with the jaw seat through the threaded hole, and a locking nut is arranged on the adjusting bolt; the lower end of the clamping jaw seat is provided with two sections of threads with different sizes, one section with a large outer diameter is connected with the adjusting nut, and the other section with a small outer diameter is connected with the handle.
The adjusting nut is characterized in that a threaded hole corresponding to a thread with a large outer diameter at the lower end of the jaw seat is formed in the middle of the adjusting nut, the adjusting nut is screwed on the thread, a chamfer is formed in the top end of the adjusting nut, a chamfer surface corresponds to an inclined surface connected with an arc-shaped bulge at the tail of the jaw, when the adjusting nut is screwed upwards, the jaw is driven to rotate upwards by the chamfer surface of the adjusting nut, the opening amount of the jaw is reduced, when the adjusting nut is screwed downwards, the jaw rotates downwards, the opening amount is increased, and the opening amount of the jaw can be adjusted freely, so that the cutter body nut with any size can be clamped. The middle of the handle is provided with a threaded hole, and the handle is in threaded connection with the lower end of the clamping jaw seat.
The utility model discloses the operator rotates adjusting nut and adjusts jack catch opening size when using, and after two protruding chucking cutter body nut grooves of jack catch, it lets adjusting bolt's head top at cutter body nut excircle to adjust adjusting bolt, then locks lock nut, forms three fulcrum, and it is tight to press from both sides tightly, and is firm than eave tile spanner locking, and twist grip, handling nut are more convenient, are fit for ER, the arbitrary big or small cutter body nut loading and unloading of LN series.
The utility model relates to a rationally, simple structure, easy manufacturing, use, convenient operation, labour saving and time saving presss from both sides tightly firmly when not only loading and unloading, can also adjust the opening volume and realize being fit for the loading and unloading of different series arbitrary size cutter body nuts, has improved operator's work efficiency greatly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a jaw;
FIG. 3 is a schematic diagram of the mechanism of the pawl seat;
FIG. 4 is a top view of FIG. 3;
the labels in the figure are: 1. the clamp comprises a clamping jaw, 2, an adjusting bolt, 3, a locking nut, 4, a rivet, 5, a clamping jaw seat, 6, an adjusting nut, 7 and a handle.
Detailed Description
As shown in fig. 1 to 4: the utility model provides a scheme that its technical problem took is: a chuck wrench, which is characterized in that: the wrench includes: the clamping jaw comprises two clamping jaws 1, an adjusting bolt 2, a locking nut 3, a rivet 4, a clamping jaw seat 5, an adjusting nut 6 and a handle 7, wherein the head of each clamping jaw 1 is provided with a bulge, the width of each bulge hook head is smaller than that of a nut groove of a handle to be screwed, the gap during working is effectively ensured, and the arc of the corner of each bulge hook head is excessive, so that the strength of each bulge hook head is enhanced, and the occurrence of a fracture phenomenon is prevented; the tail part of the clamping jaw 1 is provided with an arc-shaped bulge, the arc-shaped bulge is connected with an inclined plane, and the tail part of the clamping jaw 1 is also provided with a through hole connected with a clamping jaw seat 5.
The left side and the right side of the jaw seat 5 are provided with a groove and two through holes, the two jaws 1 are respectively arranged in the two grooves of the jaw seat 5 and are connected with the jaw seat 5 through rivets 4, and the jaws 1 rotate by taking the rivets 4 as axes; the middle part of the jaw seat 5 is provided with a threaded hole, the adjusting bolt 2 is connected with the jaw seat 5 through the threaded hole, and the adjusting bolt 2 is provided with a locking nut 3; the lower end of the clamping jaw seat 5 is provided with two sections of threads with different sizes, one section with a large outer diameter is connected with the adjusting nut 6, and the other section with a small outer diameter is connected with the handle 7.
The middle part of the adjusting nut 6 is provided with a threaded hole corresponding to a thread with a large outer diameter at the lower end of the jaw seat 5, the adjusting nut 6 is screwed on the thread, the top end of the adjusting nut 6 is provided with a chamfer, a chamfer surface corresponds to an inclined surface connected with an arc-shaped bulge at the tail part of the jaw 1, when the adjusting nut 6 is screwed upwards, the jaw 1 is pushed by the chamfer surface of the adjusting nut 6 to rotate upwards, the opening of the jaw 1 is reduced, when the adjusting nut 6 is screwed downwards, the jaw 1 rotates downwards, the opening is increased, and the opening of the jaw 1 can be adjusted freely, so that a cutter body nut with any size can be clamped. The middle of the handle 7 is provided with a threaded hole, and the handle 7 is in threaded connection with the lower end of the jaw seat 5.
The utility model discloses the operator rotates adjusting nut 6 and adjusts 1 opening size of jack catch when using, behind the 1 protruding chucking cutter body nut groove of two jack catches, adjusts adjusting bolt 2 and lets adjusting bolt 2's head top at the cutter body nut excircle, then locks lock nut 3, forms three fulcrum, and it is firm to press from both sides tightly, and is more convenient than eave tile spanner locking, twist grip 7, and it is more convenient to load and unload the cutter body nut, is fit for ER, the arbitrary big or small cutter body nut loading and unloading of LN series.
The utility model relates to a rationally, simple structure, easy manufacturing, use, convenient operation, labour saving and time saving presss from both sides tightly firmly when not only loading and unloading, can also adjust the opening volume and realize being fit for the loading and unloading of different series arbitrary size cutter body nuts, has improved operator's work efficiency greatly.
Claims (2)
1. A chuck wrench, which is characterized in that: the wrench comprises two jaws, a rivet, two jaw seats, an adjusting nut and a handle, wherein the head of each jaw is provided with a bulge, the tail of each jaw is provided with an arc-shaped bulge, the arc-shaped bulge is connected with an inclined plane, the left side and the right side of each jaw seat are provided with a groove and two through holes, the two jaws are respectively arranged in the two grooves of each jaw seat and are connected with the jaw seats through the rivet, and the jaws rotate by taking the rivet as an axis; the lower end of the jaw seat is provided with two sections of threads with different sizes, one section with a large outer diameter is connected with the adjusting nut, one section with a small outer diameter is connected with the handle, the middle of the adjusting nut is provided with a threaded hole corresponding to the thread with the large outer diameter at the lower end of the jaw seat, the adjusting nut is screwed on the thread, the top end of the adjusting nut is provided with a chamfer, and the chamfer surface corresponds to the inclined surface connected with the arc-shaped bulge at the tail of the jaw.
2. The chuck wrench as in claim 1, further comprising an adjusting bolt and a locking nut, wherein: the middle part of the jaw seat is provided with a threaded hole, the adjusting bolt is connected with the jaw seat through the threaded hole in the middle part of the jaw seat, the adjusting bolt is provided with a locking nut, an operator rotates the adjusting nut to adjust the size of an opening of the jaw during use, the adjusting bolt is adjusted to abut against the outer circle of the cutter body nut after the cutter body nut groove is clamped, then the locking nut is locked to form three supporting points, and the clamping is firm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020020371.7U CN211491275U (en) | 2020-01-07 | 2020-01-07 | Chuck wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020020371.7U CN211491275U (en) | 2020-01-07 | 2020-01-07 | Chuck wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211491275U true CN211491275U (en) | 2020-09-15 |
Family
ID=72398843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020020371.7U Active CN211491275U (en) | 2020-01-07 | 2020-01-07 | Chuck wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211491275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346562A (en) * | 2021-12-17 | 2022-04-15 | 江西洪都航空工业集团有限责任公司 | Clamping tool |
-
2020
- 2020-01-07 CN CN202020020371.7U patent/CN211491275U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346562A (en) * | 2021-12-17 | 2022-04-15 | 江西洪都航空工业集团有限责任公司 | Clamping tool |
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