CN212859283U - Special tool for F-shaped tooth flank locking nut - Google Patents
Special tool for F-shaped tooth flank locking nut Download PDFInfo
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- CN212859283U CN212859283U CN202021012494.2U CN202021012494U CN212859283U CN 212859283 U CN212859283 U CN 212859283U CN 202021012494 U CN202021012494 U CN 202021012494U CN 212859283 U CN212859283 U CN 212859283U
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Abstract
A special tool for an F-shaped tooth belly lock nut comprises a sleeve and a first bolt, wherein an inner cavity of the sleeve is sequentially provided with a first cavity, a second cavity and a third cavity from left to right, the first cavity and the second cavity are columnar, the third cavity is a wrench groove, the cross section of the wrench groove is rectangular, the annular wall of the sleeve at the corresponding position of the first cavity is provided with four first threaded holes which are uniformly distributed along the circumferential quartering of the sleeve, the first threaded holes penetrate through the annular wall of the sleeve, each first threaded hole is correspondingly provided with a first bolt, the diameter of each first bolt is not more than the width of a notch on the annular wall of the locking nut, and by using the special tool, the F-shaped tooth flank locking nut can be disassembled and assembled by means of the torque wrench, the problem that the F-shaped tooth flank locking nut cannot be directly disassembled and assembled by the torque wrench in the prior art is solved, the torque wrench can accurately control the torque, therefore, the problem that the F-shaped flank locking nut is too loose or too tight due to the fact that actual moment cannot be detected is solved.
Description
Technical Field
The utility model relates to a hardware and tools technical field, in particular to F type flank lock nut specialized tool.
Background
Need dismouting F type flank lock nut in the vacuum pump maintenance process, dismouting F type flank lock nut used crescent eave tile spanner more in the past, owing to adopt crescent eave tile spanner can't detect actual moment size, leads to F type flank lock nut to cross loose or tension, if cross loose, equipment maintenance precision changes easily, if tension, causes the screw rod to pull easily or be difficult to twist and move.
Disclosure of Invention
In view of the above, it is necessary to provide a tool dedicated to the torque-controllable F-flank lock nut.
A special tool for an F-shaped tooth flank locking nut comprises a sleeve and a first bolt, wherein two ends of the sleeve are opened, the sleeve is hollow, an inner cavity of the sleeve is sequentially provided with a first cavity, a second cavity and a third cavity from left to right, the first cavity, the second cavity and the third cavity are communicated end to end, the center lines of the first cavity, the second cavity and the third cavity are coaxial, the first cavity and the second cavity are columnar, the inner diameter of the first cavity is smaller than the outer diameter of the locking nut, the inner diameter of the second cavity is larger than the inner diameter of the locking nut, the third cavity is a wrench groove, the cross section of the wrench groove is rectangular, four first threaded holes are formed in the annular wall of the sleeve at the positions corresponding to the first cavity, the four first threaded holes are uniformly distributed along the circumferential four-quarter direction of the sleeve, the first threaded holes penetrate through the annular wall of the sleeve, and the axial direction of the first threaded holes extends along the radial direction of the first cavity, and each first threaded hole is correspondingly provided with a first bolt, the first bolt is in threaded connection with the first threaded hole, and the diameter of the first bolt is not more than the width of the notch in the ring wall of the locking nut.
Preferably, still be equipped with two second screw holes on the telescopic rampart of first cavity correspondence position, two second screw holes and a first screw hole along telescopic circumference trisection equipartition, the second screw hole link up telescopic rampart, the radial extension of first cavity is followed to the axial of second screw hole, and each second screw hole corresponds and sets up a second bolt, second bolt and second screw hole threaded connection, the diameter of second bolt is not more than the width of breach on the lock nut rampart.
Preferably, the first bolt penetrates into the first threaded hole from the outer side of the sleeve in the radial direction of the first cavity, the first bolt points to the axial position of the first cavity, the second bolt penetrates into the second threaded hole from the outer side of the sleeve in the radial direction of the first cavity, and the second bolt points to the axial position of the first cavity.
Preferably, the special tool for the F-shaped flank locking nut further comprises a torque wrench, and the shape of the end face of the third cavity corresponds to the cross-sectional shape of the square tenon of the torque wrench.
Preferably, the outer wall of the sleeve barrel sequentially comprises a first annular wall and a second annular wall from left to right, the first annular wall and the second annular wall are connected end to end, and the center lines of the first annular wall and the second annular wall are coaxial.
Preferably, the diameter of the first annular wall is 83mm, the height of the first annular wall is 15mm, the diameter of the second annular wall is 55mm, and the height of the first annular wall is 67 mm.
Preferably, the diameter of the first cavity is 66mm, the height of the first cavity is 12mm, the diameter of the second cavity is 46mm, and the height of the first cavity is 55 mm.
Preferably, the cross section of the third cavity is square, and the side length of the cross section of the third cavity is 13 mm.
Preferably, the inner diameters of the first threaded hole and the second threaded hole are both 8mm, and the distance between the axis of the first threaded hole or the axis of the second threaded hole and the left end face of the sleeve is 6.5 mm.
Preferably, first bolt is the same with second bolt structure, first bolt from the top is nut, middle screw rod, lower extreme screw rod in proper order, the length of middle screw rod is 8.5mm, the external diameter of middle screw rod is 8mm, the length of lower extreme screw rod is 11.5mm, the external diameter of lower extreme screw rod is 5 mm.
The beneficial effects of the utility model reside in that:
(1) by utilizing the special tool, the F-shaped tooth flank locking nut can be disassembled and assembled by means of the torque wrench, the problem that the F-shaped tooth flank locking nut cannot be directly disassembled and assembled by the torque wrench in the prior art is solved, the torque can be accurately controlled by the torque wrench, and the problem that the F-shaped tooth flank locking nut is too loose or too tight due to the fact that actual torque cannot be detected is solved.
(2) F type flank lock nut is overlapped at telescopic first cavity completely, and four breachs of F type flank lock nut are by four first bolt chucking of evenly distributed, and F type flank lock nut atress is even at the dismouting in-process, and is stable, has avoided F type flank lock nut and this specialized tool to skid relatively and cause the damage.
(3) The special tool is simple in structure, easy to process and convenient and fast to use.
Drawings
Fig. 1 is a sectional view of the tool for F-shaped flank lock nut.
Fig. 2 is a left side view of the F-shaped flank lock nut special tool.
Fig. 3 is a right side view of the F-type flank lock nut exclusive tool.
Fig. 4 is a view of the F-flank lock nut special tool at a first angle in a use state.
Fig. 5 is a view of the F-flank lock nut special tool at a second angle in use.
Fig. 6 is a view of the F-web lock nut special tool at a third angle in a use state.
In the figure: the locking nut 10, the sleeve 20, the first cavity 21, the second cavity 22, the third cavity 23, the first annular wall 24, the second annular wall 25, the first bolt 30, the nut 31, the middle screw rod 32, the lower end screw rod 33, the second bolt 40, the torque wrench 50 and the square tenon 51.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are 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.
Referring to fig. 1 to 6, an embodiment of the present invention provides a special tool for an F-shaped tooth flank locking nut, including a sleeve 20, a first bolt 30, two ends of the sleeve 20 are open, the sleeve 20 is hollow, an inner cavity of the sleeve 20 is sequentially a first cavity 21, a second cavity 22, and a third cavity 23 from left to right, the first cavity 21, the second cavity 22, and the third cavity 23 are communicated end to end, center lines of the first cavity 21, the second cavity 22, and the third cavity 23 are coaxial, the first cavity 21 and the second cavity 22 are both columnar, an inner diameter of the first cavity 21 is smaller than an outer diameter of the locking nut 10, an inner diameter of the second cavity 22 is larger than an inner diameter of the locking nut 10, the third cavity 23 is a wrench groove, a cross section of the wrench groove is rectangular, four first threaded holes are provided on a ring wall of the sleeve 20 corresponding to the first cavity 21, the four first threaded holes are evenly distributed along a circumferential direction of the sleeve 20, the first threaded hole runs through the annular wall of the sleeve 20, the axial direction of the first threaded hole extends along the radial direction of the first cavity 21, each first threaded hole is correspondingly provided with a first bolt 30, the first bolt 30 is in threaded connection with the first threaded hole, and the diameter of the first bolt 30 is not larger than the width of a notch in the annular wall of the lock nut 10.
The second cavity 22 of the sleeve 20 may be designed with a multi-segment movable connection so as to be properly adjusted according to the length of the screw corresponding to the F-shaped flank locking nut 10.
The first cavity 21 of the sleeve 20 is designed to be larger than the F-ring lock nut 10, and the first bolt 30 can be adjusted accordingly for different sizes of F-ring lock nuts 10.
The beneficial effects of the utility model reside in that:
(1) by utilizing the special tool, the F-shaped tooth flank locking nut 10 can be disassembled and assembled by means of the torque wrench 50, the problem that the F-shaped tooth flank locking nut 10 cannot be disassembled and assembled directly by the torque wrench 50 in the prior art is solved, the torque can be accurately controlled by the torque wrench 50, and the problem that the F-shaped tooth flank locking nut 10 is too loose or too tight due to the fact that actual torque cannot be detected is solved.
(2) The F-shaped flank locking nut 10 is completely sleeved in the first cavity 21 of the sleeve 20, four gaps of the F-shaped flank locking nut 10 are tightly clamped by four first bolts 30 which are uniformly distributed, the F-shaped flank locking nut 10 is stressed uniformly and stably in the dismounting process, and damage caused by relative slipping of the F-shaped flank locking nut 10 and the special tool is avoided.
(3) The special tool is simple in structure, easy to process and convenient and fast to use.
Referring to fig. 1 to 6, further, two second threaded holes are further formed in the annular wall of the sleeve 20 at a position, corresponding to the first cavity 21, of the sleeve 20, the two second threaded holes and one first threaded hole are circumferentially and equally distributed along the circumferential direction of the sleeve 20, the second threaded holes penetrate through the annular wall of the sleeve 20, the axial direction of each second threaded hole extends along the radial direction of the first cavity 21, each second threaded hole is correspondingly provided with one second bolt 40, the second bolt 40 is in threaded connection with the second threaded hole, and the diameter of the second bolt 40 is not greater than the width of a notch in the annular wall of the lock nut 10.
In this embodiment, the second bolt 40 and the first bolt 30 can be used to adapt the special tool to the F-shaped flank lock nut 10 having two notches, three notches, and four notches, and the application range is wider.
Referring to fig. 1 to 6, further, a first bolt 30 is passed into the first threaded hole from the outside of the sleeve 20 in the radial direction of the first cavity 21, the first bolt 30 is directed to the axial position of the first cavity 21, a second bolt 40 is passed into the second threaded hole from the outside of the sleeve 20 in the radial direction of the first cavity 21, and the second bolt 40 is directed to the axial position of the first cavity 21.
Referring to fig. 1 to 6, further, the tool for F-type flank locking nut further includes a torque wrench 50, and the shape of the end surface of the third cavity 23 corresponds to the cross-sectional shape of the square tenon 51 of the torque wrench 50.
The torque wrench 50 can be an SGSX-1500 digital display torque wrench 50, for example, and the control of the actual torque is more intuitive.
Referring to fig. 1 to 6, further, the outer wall of the sleeve 20 is sequentially connected with the first annular wall 24 and the second annular wall 25 from left to right, the first annular wall 24 and the second annular wall 25 are connected end to end, and the center lines of the first annular wall 24 and the second annular wall 25 are coaxial.
Referring to fig. 1 to 6, further, the diameter of the first annular wall 24 is 83mm, the height of the first annular wall 24 is 15mm, the diameter of the second annular wall 25 is 55mm, and the height of the first annular wall 24 is 67 mm.
Referring to fig. 1 to 6, further, the diameter of the first cavity 21 is 66mm, the height of the first cavity 21 is 12mm, the diameter of the second cavity 22 is 46mm, and the height of the first cavity 21 is 55 mm.
Referring to fig. 1 to 6, further, the cross section of the third cavity 23 is square, and the side length of the cross section of the third cavity 23 is 13 mm.
Referring to fig. 1 to 6, further, the inner diameters of the first threaded hole and the second threaded hole are both 8mm, and the distance between the axis of the first threaded hole or the axis of the second threaded hole and the left end face of the sleeve 20 is 6.5 mm.
Referring to fig. 1 to 6, the first bolt 30 and the second bolt 40 have the same structure, the first bolt 30 sequentially includes a nut 31, a middle screw 32, and a lower end screw 33 from top to bottom, the length of the middle screw 32 is 8.5mm, the outer diameter of the middle screw 32 is 8mm, the length of the lower end screw 33 is 11.5mm, and the outer diameter of the lower end screw 33 is 5 mm.
Specifically, chamfers C0.5mm are arranged at two ends of the first annular wall 24, chamfers C1mm are arranged at the right end of the second annular wall 25, chamfers C0.5mm are arranged at the joint of the first cavity 21 and the second cavity 22 for transition, chamfers R3mm are arranged at the joint of the first annular wall 24 and the second annular wall 25 for transition, chamfers C1mm are arranged at the joint of the middle screw rod 32 and the lower screw rod 33 for transition, chamfers C0.5mm are arranged at the lower end of the lower screw rod 33, chamfers C1.5mm are arranged on the end surface of the first threaded hole and the end surface of the second threaded hole, and a hexagon nut is further sleeved on the first bolt 30 or the second bolt 40.
The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a F type flank lock nut specialized tool which characterized in that: the sleeve comprises a sleeve and a first bolt, wherein two ends of the sleeve are open, the sleeve is hollow, an inner cavity of the sleeve is sequentially provided with a first cavity, a second cavity and a third cavity from left to right, the first cavity, the second cavity and the third cavity are communicated end to end, the center lines of the first cavity, the second cavity and the third cavity are coaxial, the first cavity and the second cavity are columnar, the inner diameter of the first cavity is smaller than the outer diameter of a locking nut, the inner diameter of the second cavity is larger than the inner diameter of the locking nut, the third cavity is a wrench groove, the cross section of the wrench groove is rectangular, four first threaded holes are arranged on the annular wall of the sleeve at the positions, corresponding to the first cavities, the four first threaded holes are uniformly distributed along the circumferential quartering of the sleeve, the first threaded holes penetrate through the annular wall of the sleeve, the axial direction of the first threaded holes extends along the radial direction of the first cavity, and each first threaded hole is correspondingly provided with one first bolt, the first bolt is in threaded connection with the first threaded hole, and the diameter of the first bolt is not larger than the width of the notch in the ring wall of the locking nut.
2. The F-flank lock nut special tool according to claim 1, characterized in that: still be equipped with two second screw holes on the telescopic rampart of first cavity correspondence position, the trisection equipartition of telescopic circumference is followed with a first screw hole to two second screw holes, the second screw hole link up telescopic rampart, the radial extension of first cavity is followed to the axial of second screw hole, and each second screw hole correspondence sets up a second bolt, second bolt and second screw hole threaded connection, the diameter of second bolt is not more than the width of breach on the lock nut rampart.
3. The F-flank lock nut special tool according to claim 2, characterized in that: the first bolt penetrates into the first threaded hole from the outer side of the sleeve along the radial direction of the first cavity, the first bolt points to the axis position of the first cavity, the second bolt penetrates into the second threaded hole from the outer side of the sleeve along the radial direction of the first cavity, and the second bolt points to the axis position of the first cavity.
4. The F-flank lock nut special tool according to claim 1, characterized in that: the special tool for the F-shaped tooth flank locking nut further comprises a torque wrench, and the shape of the end face of the third cavity corresponds to the cross section of the square tenon of the torque wrench.
5. The F-flank lock nut special tool according to claim 1, characterized in that: the outer wall of the sleeve barrel sequentially comprises a first annular wall and a second annular wall from left to right, the first annular wall and the second annular wall are connected end to end, and the center lines of the first annular wall and the second annular wall are coaxial.
6. The F-flank lock nut special tool according to claim 5, characterized in that: the diameter of first rampart is 83mm, the height of first rampart is 15mm, the diameter of second rampart is 55mm, the height of first rampart is 67 mm.
7. The F-flank lock nut special tool according to claim 1, characterized in that: the diameter of first cavity is 66mm, the height of first cavity is 12mm, the diameter of second cavity is 46mm, the height of first cavity is 55 mm.
8. The F-flank lock nut special tool according to claim 1, characterized in that: the cross section of the third cavity is square, and the side length of the cross section of the third cavity is 13 mm.
9. The F-flank lock nut special tool according to claim 2, characterized in that: the internal diameters of the first threaded hole and the second threaded hole are both 8mm, and the distance between the axis of the first threaded hole or the axis of the second threaded hole and the left end face of the sleeve is 6.5 mm.
10. The F-flank lock nut special tool according to claim 2, characterized in that: the first bolt is the same with second bolt structure, first bolt from the top is nut, middle screw rod, lower extreme screw rod in proper order, the length of middle screw rod is 8.5mm, the external diameter of middle screw rod is 8mm, the length of lower extreme screw rod is 11.5mm, the external diameter of lower extreme screw rod is 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021012494.2U CN212859283U (en) | 2020-06-05 | 2020-06-05 | Special tool for F-shaped tooth flank locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021012494.2U CN212859283U (en) | 2020-06-05 | 2020-06-05 | Special tool for F-shaped tooth flank locking nut |
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| Publication Number | Publication Date |
|---|---|
| CN212859283U true CN212859283U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021012494.2U Active CN212859283U (en) | 2020-06-05 | 2020-06-05 | Special tool for F-shaped tooth flank locking nut |
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| CN (1) | CN212859283U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714966A (en) * | 2021-09-13 | 2021-11-30 | 国网福建省电力有限公司检修分公司 | Special tool for disassembling and assembling pure ceramic sleeve of transformer and working method thereof |
| CN114346950A (en) * | 2021-12-29 | 2022-04-15 | 张家港宏昌钢板有限公司 | Special wrench for dismounting and mounting double-side shear pressing plate sleeve round nut |
| CN114918861A (en) * | 2022-06-16 | 2022-08-19 | 河南中烟工业有限责任公司 | Special device convenient to adjustment cigarette packagine machine triangle conveyer belt tensile force |
-
2020
- 2020-06-05 CN CN202021012494.2U patent/CN212859283U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714966A (en) * | 2021-09-13 | 2021-11-30 | 国网福建省电力有限公司检修分公司 | Special tool for disassembling and assembling pure ceramic sleeve of transformer and working method thereof |
| CN114346950A (en) * | 2021-12-29 | 2022-04-15 | 张家港宏昌钢板有限公司 | Special wrench for dismounting and mounting double-side shear pressing plate sleeve round nut |
| CN114918861A (en) * | 2022-06-16 | 2022-08-19 | 河南中烟工业有限责任公司 | Special device convenient to adjustment cigarette packagine machine triangle conveyer belt tensile force |
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