CN220361998U - Floating knife handle - Google Patents
Floating knife handle Download PDFInfo
- Publication number
- CN220361998U CN220361998U CN202322135457.0U CN202322135457U CN220361998U CN 220361998 U CN220361998 U CN 220361998U CN 202322135457 U CN202322135457 U CN 202322135457U CN 220361998 U CN220361998 U CN 220361998U
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- Prior art keywords
- limiting part
- mounting cavity
- positioning column
- floating
- radial moving
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000005299 abrasion Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of cutters, and particularly relates to a floating cutter handle; comprising the following steps: a handle body, one end of which is provided with an installation cavity; one end of the tool apron is provided with a limiting part, and the end provided with the limiting part is arranged in the mounting cavity; the first radial moving assembly is axially arranged between the limiting part and the cavity bottom of the mounting cavity; the second radial moving assembly is sleeved on the tool apron, and the limiting part is axially abutted; the fastener is arranged on the opening end of the mounting cavity and axially abuts against the second radial moving assembly; the axial elastic component passes through the first radial moving component and axially abuts against the limiting part; a positioning component is arranged between the tool apron and the mounting cavity, and the handle body drives the tool apron to rotate through the positioning component; the radial and axial floating can not be realized, and the device has the advantages of good structural reliability and long service life.
Description
Technical Field
The utility model belongs to the technical field of cutters, and particularly relates to a floating cutter handle.
Background
In the prior art, there are various structural designs of floating tool handles, mainly used for deburring, chamfering and other processing, such as the structure disclosed in CN113600883B, but the floating function can also be realized by other modes, so that the purpose of the structure is to design an alternative scheme, and the structure has the advantages of good structural reliability and long service life.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides a floating knife handle which can not realize radial and axial floating and has the advantages of good structural reliability and long service life.
In view of this, the present utility model provides a floating shank, comprising:
a handle body, one end of which is provided with an installation cavity;
one end of the tool apron is provided with a limiting part, and the end provided with the limiting part is arranged in the mounting cavity;
the first radial moving assembly is axially arranged between the limiting part and the cavity bottom of the mounting cavity;
the second radial moving assembly is sleeved on the tool apron, and the limiting part is axially abutted;
the fastener is arranged on the opening end of the mounting cavity and axially abuts against the second radial moving assembly;
the axial elastic component passes through the first radial moving component and axially abuts against the limiting part;
wherein, still be equipped with locating component between blade holder and the installation cavity, the handle body passes through locating component and drives the blade holder rotation.
Further, the first radial moving assembly comprises a first retainer and a plurality of first balls arranged on the first retainer, and the first balls are arranged between the limiting part and the cavity bottom of the mounting cavity in a rolling mode.
Further, the second radial moving assembly comprises a second retainer and a plurality of second balls arranged on the second retainer, and the second balls are arranged between the limiting part and the fastening piece in a rolling mode.
Further, the fastening piece is a fastening ring, the fastening ring sleeve is arranged on the outer side of the tool apron, and the fastening ring is in threaded connection with the mounting cavity.
Further, the axial elastic component comprises a first positioning column which is arranged at the center of the limiting part and penetrates through the first holding frame, and a spring which is axially abutted with the first positioning column is arranged on the cavity bottom of the mounting cavity.
Further, a third ball is further arranged between the first positioning column and the spring, and one end, propped against the third ball, of the first positioning column is provided with a concave conical surface.
Further, the locating component is including setting up in the second reference column at installation cavity chamber bottom and setting up the third reference column on spacing portion terminal surface, and the first constant head tank that is equipped with second reference column and third reference column adaptation of holding frame, and the setting is run through to the radial outside of first holding frame to the constant head tank.
Further, the second positioning column and the third positioning column are respectively sleeved with a rolling sleeve.
Further, the tool apron is provided with external threads.
The beneficial effects of the utility model are as follows:
1. through the arrangement of the first radial moving assembly, the second radial moving assembly, the axial elastic assembly and the positioning assembly, synchronous rotation between the handle body and the tool apron is realized, and floating in the radial direction and the axial direction can be realized;
2. the first radial moving assembly and the second radial moving assembly adopt rolling movement modes of balls, so that the reliability is good, the abrasion can be reduced, and the service life is prolonged.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is an enlarged view of section A of FIG. 1 in accordance with the present utility model;
FIG. 3 is an enlarged view of the structure of the first cage of the present utility model;
FIG. 4 is a right side view of the handle of FIG. 1 according to the present utility model;
the label in the figure is:
1. a handle body; 2. a mounting cavity; 3. a tool apron; 4. a limit part; 5. a fastening ring; 6. a first holder; 7. a first ball; 8. a second holder; 9. a second ball; 10. a first positioning column; 11. a spring; 12. a third ball; 13. a second positioning column; 14. a third positioning column; 15. a positioning groove; 16. and (5) rolling sleeves.
Description of the embodiments
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
A floating shank, comprising:
the handle body 1, one end of the handle body 1 is provided with an installation cavity 2;
one end of the tool apron 3 is provided with a limiting part 4, and one end provided with the limiting part 4 is arranged in the mounting cavity 2; the outer diameter of the limiting part 4 is larger than the outer diameter of the tool holder 3, and the outer diameter of the limiting part 4 is smaller than the inner diameter of the mounting cavity 2, so that the tool holder 3 has a radial sliding space in the mounting cavity 2;
the first radial moving assembly is axially arranged between the limiting part 4 and the cavity bottom of the mounting cavity 2;
the second radial moving assembly is sleeved on the tool apron 3, and the limiting part 4 is in axial abutting connection;
the fastener is arranged on the opening end of the mounting cavity 2 and axially abuts against the second radial moving assembly;
the axial elastic component passes through the first radial moving component and is axially abutted with the limiting part 4;
wherein, still be equipped with locating component between blade holder 3 and the installation cavity 2, handle body 1 passes through locating component and drives blade holder 3 rotation.
The first radial moving component and the second radial moving component are respectively arranged at two axial sides of the limiting part 4, so that the tool apron 3 can slide radially relative to the mounting cavity 2, meanwhile, gaps can be reserved between the first radial moving component and the second radial moving component and the axial direction of the limiting part 4, so that the tool apron 3 can slightly incline and float relative to the handle body 1, and meanwhile, due to the arrangement of the axial elastic component, the tool apron 3 has a certain axial floating space relative to the mounting cavity 2; the tool apron 3 and the handle body 1 realize transmission through a positioning component, so that the tool apron 3 can drive the handle body 1 to rotate.
Further, the first radial moving component assembly comprises a first holding frame 6 and a plurality of first balls 7 arranged on the first holding frame 6, and the first balls 7 are arranged between the limiting part 4 and the cavity bottom of the mounting cavity 2 in a rolling mode.
The first retainer 6 is of a disc-shaped structure, the outer diameter of the first retainer 6 is slightly smaller than the inner diameter of the mounting cavity 2, a plurality of retaining windows which are distributed in an annular array are formed in the first retainer 6, the first balls 7 are mounted in the retaining windows, when the tool apron 3 is axially stressed, the limiting part 4 is abutted with the bottom of the mounting cavity 2 through the first balls 7, and the first balls 7 facilitate radial sliding between the limiting part 4 and the mounting cavity 2; and through the rolling connection mode of a plurality of first balls 7, the abrasion between the first balls can be reduced, and the service life is prolonged.
Further, the second radial moving assembly comprises a second retainer 8 and a plurality of second balls 9 arranged on the second retainer 8, wherein the second balls 9 are arranged between the limiting part 4 and the fastener in a rolling way.
Similarly, the second retainer 8 is also in a disc-shaped structure, the outer diameter of the second retainer 8 is slightly smaller than the inner diameter of the mounting cavity 2, a plurality of retaining windows which are arranged in an annular array are formed in the second retainer 8, the second balls 9 are arranged in the retaining windows, when the tool apron 3 is stressed outwards in the axial direction, the limiting part 4 is abutted with the retainer through the second balls 9, and the second balls 9 facilitate radial sliding between the limiting part 4 and the mounting cavity 2; and through the rolling connection mode of a plurality of second balls 9, the abrasion between the second balls can be reduced, and the service life is prolonged.
Further, the fastening piece is a fastening ring 5, the fastening ring 5 is sleeved on the outer side of the tool apron 3, and the fastening ring 5 is in threaded connection with the mounting cavity 2.
The fastening ring 5 plays a role in axially limiting and fixing parts in the mounting cavity 2, two symmetrical screwing holes can be formed in the outer end face of the fastening ring 5, the fastening ring 5 can be conveniently stressed to rotate, and the fastening ring is conveniently rotationally mounted and dismounted in a threaded connection mode; the inner diameter of the fastening ring 5 is slightly larger than the outer diameter of the holder 3, so that the holder 3 has a radial floating space.
Further, the axial elastic component comprises a first positioning column 10 arranged at the center of the limiting part 4 and penetrating through the first holding frame 6, and a spring 11 axially abutted with the first positioning column 10 is arranged on the cavity bottom of the mounting cavity 2.
The spring 11 generates an elastic force on the first positioning column 10, namely, generates a force on the tool holder 3, so that the tool holder 3 can axially float when being axially stressed.
Further, a third ball 12 is further disposed between the first positioning column 10 and the spring 11, and an end of the first positioning column 10 abutting against the third ball 12 is provided with a concave conical surface.
The third ball 12 and the conical surface on the first positioning column 10 are arranged, so that the self-return centering of the tool apron 3 is facilitated, and the use effect is better.
Further, the positioning assembly comprises a second positioning column 13 arranged at the bottom of the mounting cavity 2 and a third positioning column 14 arranged on the end face of the limiting part 4, a positioning groove 15 matched with the second positioning column 13 and the third positioning column 14 is formed in the first holding frame 6, and the positioning groove 15 penetrates through the radial outer side of the first holding frame 6.
The tool apron 3 and the tool shank can synchronously rotate through the arrangement of the positioning grooves 15 of the second positioning column 13 and the third positioning column 14, wherein the number of the second positioning column 13 and the third positioning column 14 can be 2, and the number of the positioning grooves 15 can be 4; and the positioning groove 15 is penetrated and arranged towards the radial outer side of the first holding frame 6, so that the first holding frame 6 can keep the radial sliding function relative to the second positioning column 13 or the third positioning column 14.
Further, the second positioning column 13 and the third positioning column 14 are respectively sleeved with a roller sleeve 16, and the peripheral sides of the rollers 16 are abutted to the positioning grooves 15, so that the second positioning column 13, the third positioning column 14 and the positioning grooves 15 roll, abrasion is reduced, and service life is prolonged.
Further, the tool apron 3 is provided with external threads, and the external threads are used for being connected with an external processing tool.
The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (9)
1. A floating shank, comprising:
a handle body (1), wherein one end of the handle body (1) is provided with an installation cavity (2);
one end of the tool apron (3) is provided with a limiting part (4), and the end provided with the limiting part (4) is arranged in the mounting cavity (2);
the first radial moving assembly is axially arranged between the limiting part (4) and the cavity bottom of the mounting cavity (2);
the second radial moving assembly is sleeved on the tool apron (3), and the limiting part (4) is in axial abutting connection;
the fastener is arranged at the opening end of the mounting cavity (2) and is axially abutted with the second radial moving assembly;
the axial elastic component passes through the first radial moving component and is axially abutted with the limiting part (4);
wherein, still be equipped with locating component between blade holder (3) and installation cavity (2), handle body (1) pass through locating component and drive blade holder (3) rotation.
2. A floating shank according to claim 1, characterized in that the first radial moving assembly comprises a first cage (6) and a number of first balls (7) arranged on the first cage (6), the first balls (7) being arranged rolling between the limit part (4) and the bottom of the mounting cavity (2).
3. A floating shank according to claim 2, characterized in that the second radial movement assembly comprises a second cage (8) and a number of second balls (9) arranged on the second cage (8), the second balls (9) being arranged rolling between the limit part (4) and the fastener.
4. A floating shank according to claim 3, characterized in that the fastening means is a fastening ring (5), the fastening ring (5) is arranged outside the holder (3) in a sleeve, and the fastening ring (5) is in threaded connection with the mounting cavity (2).
5. The floating knife handle according to claim 1, characterized in that the axial elastic component comprises a first positioning column (10) which is arranged at the center of the limiting part (4) and penetrates through the first holding frame (6), and a spring (11) which is axially abutted with the first positioning column (10) is arranged on the bottom of the mounting cavity (2).
6. The floating knife handle according to claim 5, wherein a third ball (12) is further arranged between the first positioning column (10) and the spring (11), and an end, which abuts against the third ball (12), of the first positioning column (10) is provided with an inwards concave conical surface.
7. A floating shank according to claim 2, characterized in that the positioning assembly comprises a second positioning column (13) arranged at the bottom of the mounting cavity (2) and a third positioning column (14) arranged on the end face of the limiting part (4), the first retainer (6) is provided with a positioning groove (15) adapted to the second positioning column (13) and the third positioning column (14), and the positioning groove (15) is arranged radially outwards of the first retainer (6).
8. A floating shank according to claim 7, characterized in that the second (13) and third (14) positioning posts are each provided with a roller (16).
9. A floating shank according to claim 1, characterized in that the seat (3) is provided with an external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322135457.0U CN220361998U (en) | 2023-08-09 | 2023-08-09 | Floating knife handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322135457.0U CN220361998U (en) | 2023-08-09 | 2023-08-09 | Floating knife handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220361998U true CN220361998U (en) | 2024-01-19 |
Family
ID=89512643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322135457.0U Active CN220361998U (en) | 2023-08-09 | 2023-08-09 | Floating knife handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220361998U (en) |
-
2023
- 2023-08-09 CN CN202322135457.0U patent/CN220361998U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |