CN220660732U - Lock nut and lock nut dismounting tool - Google Patents
Lock nut and lock nut dismounting tool Download PDFInfo
- Publication number
- CN220660732U CN220660732U CN202322128612.6U CN202322128612U CN220660732U CN 220660732 U CN220660732 U CN 220660732U CN 202322128612 U CN202322128612 U CN 202322128612U CN 220660732 U CN220660732 U CN 220660732U
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- China
- Prior art keywords
- lock nut
- sleeve
- column
- core
- small
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The utility model provides a lock nut and a lock nut dismounting tool.A pipe cavity of a sleeve is sleeved on a small column diameter section on a lock nut, wherein the periphery of the small column diameter section is a stepped column, column cores of large and small diameter column surfaces are arranged in the same core, a connecting hole parallel to the column cores is formed in the upper pipe wall of the sleeve, a handle tool is clamped with the sleeve after the connecting hole is fixedly connected through a connecting bolt, and the handle tool is used for driving the sleeve to rotate to drive the lock nut to rotate, so that the lock nut is dismounted.
Description
Technical Field
The utility model belongs to the technical field of mechanical dismounting tools, and particularly relates to a lock nut and a lock nut dismounting tool.
Background
In the maintenance process of the MAKINO spindle, the bearing seat is of a special structural design, so that the position of the lock nut is recessed in the bearing seat, the spindle lock nut cannot be disassembled and assembled by a normal wrench, if the spindle part and the nut are damaged due to forced knocking and disassembling, the damage to the spindle part is avoided, and the maintenance quality cannot be guaranteed.
The technical scheme is that the nut positioning sleeve is driven to rotate by the nut positioning sleeve, so that the nut positioning sleeve can only be assembled and disassembled on the locking nut at the rear end of the main shaft with shorter spindle extension length, and the locking nut at the front end of the main shaft with longer spindle extension length can be difficult to assemble and disassemble.
Disclosure of Invention
The utility model aims to provide a lock nut and a lock nut dismounting tool, and aims to realize the dismounting of the lock nut with longer spindle extension.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a lock nut, characterized in that: the periphery of the lock nut is a stepped cylinder, the shaft cores of the large-diameter cylinder and the small-diameter cylinder are arranged in the same core, a threaded hole matched with the external thread on the main shaft is arranged in the lock nut, and a connecting threaded hole parallel to the hole core of the lock nut is formed in the table top of the junction of the large-diameter cylinder and the small-diameter cylinder on the lock nut.
Lock nut dismouting frock, its characterized in that: the pipe cavity of the sleeve is sleeved on a small-diameter section of a lock nut, wherein the outer periphery of the small-diameter section is provided with a stepped cylinder, the column cores of the large-diameter column face and the small-diameter column face are arranged on the same core, the pipe wall of the sleeve is provided with a connecting hole parallel to the pipe core, the connecting bolt is connected with the connecting hole of the large cylinder on the lock nut in a penetrating mode and is parallel to the connecting threaded hole of the lock nut hole core, and the outer periphery or the outer end of the sleeve is provided with a clamping part which is limited with the circumference of a handle tool.
When the scheme is used for dismounting, the sleeve is sleeved at the shaft end of the main shaft at the step position where the large diameter cylindrical surface and the small diameter cylindrical surface close to the lock nut are combined, then the sleeve is abutted against the step position of the lock nut, after the sleeve is fixedly connected with the lock nut through the connecting bolt, the handle tool is clamped with the sleeve, the sleeve is driven to rotate by the handle tool, and the lock nut is driven to rotate, so that the lock nut is dismounted.
Drawings
FIG. 1 is a schematic diagram of the matching state of a lock nut and a spindle in the present utility model;
FIG. 2 is a schematic view of the assembled state of the sleeve according to the present utility model;
fig. 3 is a schematic view of the utility model in a disassembled state.
Detailed Description
The periphery of the lock nut 10 is a stepped cylinder, the shaft cores of the large-diameter cylinder and the small-diameter cylinder are arranged in the same core, a threaded hole 11 matched with external threads on the main shaft A is arranged in the lock nut 10, and a connecting threaded hole 12 parallel to the hole core of the lock nut 10 is formed in the table top of the junction of the large-diameter cylinder and the small-diameter cylinder on the lock nut 10.
The shaft cores of the large-diameter cylindrical surface and the small-diameter cylindrical surface of the lock nut 10 in the scheme are arranged in the same core, so that the large-diameter cylindrical surface and the small-diameter cylindrical surface are prevented from being eccentric, the lock nut 10 is internally provided with a threaded hole 11 matched with the external threads on the main shaft A, the lock nut 10 is in screwing fit with the main shaft A, a connecting threaded hole 12 parallel to the hole core of the lock nut 10 is formed in the table top of the junction of the large-diameter cylindrical surface and the small-diameter cylindrical surface on the lock nut 10, and the lock nut 10 is conveniently connected with a sleeve 20 serving as a disassembly tool.
The connecting screw holes 12 are symmetrically arranged in the circumferential range of 2 to 8. 2-8 connecting threaded holes 12 are arranged, so that the lock nut 10 and the sleeve 20 can be stably connected.
Preferably, the nominal size of the connecting threaded holes 12 is the same, so that the processing efficiency of the lock nut 10 is improved, the production cost is reduced, the same bolts can be selected for connection, and the dismounting efficiency is improved.
The utility model provides a lock nut dismouting frock, the lumen cover of sleeve pipe 20 is put on the little post footpath section 13 on lock nut 10 that the periphery is the column core of ladder cylinder and big, little footpath cylinder and is arranged with the core, has on the pipe wall of sleeve pipe 20 along being on a parallel with the connecting hole 21 of tube core, connecting bolt 30 wears to link on connecting hole 21 and lock nut 10 on big cylinder be on the connecting screw hole 12 that is on a parallel with lock nut 10 hole core, sleeve pipe 20's periphery or outer end have with the spacing joint portion of handle instrument circumference.
When the lock nut 10 is assembled and disassembled, the sleeve 20 is sleeved on the small-diameter column section 13 of the lock nut 10 from the shaft end of the main shaft A, the step surface at the junction of the large-diameter column surface and the small-diameter column surface of the lock nut 10 is closed, the sleeve 20 and the lock nut 10 are fixedly connected by penetrating the connecting hole 21 and the connecting threaded hole 12 through the connecting bolt 30, and the sleeve 20 and the lock nut 10 form axial and circumferential limiting connection. The handle tool is clamped with the clamping part of the sleeve 20, the sleeve 20 is driven to rotate by the handle tool, and the lock nut 10 is driven to rotate, so that the lock nut 10 is dismounted. The process of assembling and disassembling the lock nut 10 is similar and will not be described again.
Preferably, the clamping part is a clamping groove 22 with the groove length direction parallel to the axial length direction of the main shaft A on the peripheral wall of the sleeve 20, and the handle tool is clamped in the clamping groove 22 to limit the circumference. The handle tool in the above-mentioned scheme can be the eave tile spanner, through setting up draw-in groove 22 on the outer peripheral wall of sleeve pipe 20, set up the groove length direction of draw-in groove 22 to be parallel with main shaft A's axial length direction, in the eave tile spanner will eave tile into draw-in groove 22 of being convenient for, constitute circumference spacing in order to provide circumferential rotation moment of torsion.
The preferred clamping grooves 22 extend to the two axial end faces of the sleeve 20 at two ends, and the groove walls at the two sides are parallel. In the above-mentioned scheme, the clamping groove 22 is a penetrating clamping groove, and can be adapted to handle tools with different sizes, and the groove walls on two sides are parallel so as to facilitate the application of force to the handle tools.
The preferred number of the clamping grooves 22 is at least 2 symmetrically arranged circumferentially, and in actual use, the sleeve 20 can be conveniently twisted by clamping the handle tool with the sleeve 20 at a plurality of angles to adjust the angle of the handle.
The lock nut 10 provided in embodiment 1 is provided with a stepped or stepped outer peripheral shape and the step surface is provided with the connecting threaded hole 12, and the sleeve 20 provided in embodiment 2 can improve the efficiency and convenience of assembling and disassembling the lock nut 10 when the two are used in cooperation with each other.
Claims (7)
1. A lock nut, characterized in that: the periphery of the lock nut (10) is a stepped cylinder, the shaft cores of the large-diameter cylindrical surface and the small-diameter cylindrical surface are arranged in the same core, a threaded hole (11) which is matched with the external thread on the main shaft (A) is arranged in the lock nut (10), and a connecting threaded hole (12) which is parallel to the hole core of the lock nut (10) is formed in the table top of the junction of the large-diameter cylindrical surface and the small-diameter cylindrical surface on the lock nut (10).
2. A lock nut as defined in claim 1, wherein: and 2-8 connecting threaded holes (12) are symmetrically arranged in the circumferential range.
3. A lock nut as claimed in claim 1 or 2, characterized in that: the nominal dimensions of the connecting threaded holes (12) are the same.
4. Lock nut dismouting frock, its characterized in that: the pipe cavity sleeve of the sleeve (20) is arranged on a small column diameter section (13) on a lock nut (10) which is provided with a stepped column at the periphery and is arranged with a column core of a large diameter column surface and a small diameter column surface at the same core, a connecting hole (21) parallel to the tube core is arranged on the tube wall of the sleeve (20), a connecting bolt (30) is connected with the connecting hole (21) and a connecting threaded hole (12) parallel to the hole core of the lock nut (10) on the large column on the lock nut (10) in a penetrating way, and the periphery or the outer end of the sleeve (20) is provided with a clamping part which is limited with the circumference of a handle tool.
5. The lock nut disassembly and assembly tool according to claim 4, wherein: the clamping part is a clamping groove (22) with the groove length direction on the peripheral wall of the sleeve (20) parallel to the axial length direction of the main shaft (A), and the handle tool is clamped in the clamping groove (22) to limit the circumference.
6. The lock nut disassembly and assembly tool according to claim 5, wherein: two ends of the clamping groove (22) extend to two axial end faces of the sleeve (20), and groove walls on two sides are parallel.
7. The lock nut disassembly and assembly tool according to claim 6, wherein: the number of the clamping grooves (22) is at least 2 which are circumferentially and symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322128612.6U CN220660732U (en) | 2023-08-09 | 2023-08-09 | Lock nut and lock nut dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322128612.6U CN220660732U (en) | 2023-08-09 | 2023-08-09 | Lock nut and lock nut dismounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220660732U true CN220660732U (en) | 2024-03-26 |
Family
ID=90333886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322128612.6U Active CN220660732U (en) | 2023-08-09 | 2023-08-09 | Lock nut and lock nut dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220660732U (en) |
-
2023
- 2023-08-09 CN CN202322128612.6U patent/CN220660732U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |