CN210452585U - Extrusion tool with threaded spindle for crankcase bearing - Google Patents
Extrusion tool with threaded spindle for crankcase bearing Download PDFInfo
- Publication number
- CN210452585U CN210452585U CN201921077015.2U CN201921077015U CN210452585U CN 210452585 U CN210452585 U CN 210452585U CN 201921077015 U CN201921077015 U CN 201921077015U CN 210452585 U CN210452585 U CN 210452585U
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- China
- Prior art keywords
- cylindrical section
- nut
- crankcase bearing
- threaded
- section
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 8
- 230000007704 transition Effects 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Extrusion Of Metal (AREA)
Abstract
The utility model belongs to the technical field of the erecting tool, a extrusion instrument that is used for having of crankcase bearing screw mandrel is proposed. A proposed pressing tool with a threaded spindle for a crankcase bearing has a threaded spindle; the threaded mandrel comprises a cylindrical section I with external threads; the lower end of the cylindrical section I is provided with a positioning square block; the square block and the cylindrical section I are in transition connection into a whole through a cylindrical section II, a frustum section, a cylindrical section III and a cylindrical section IV; the cylindrical section III is matched with a crankcase bearing; a nut matched with the thread of the cylindrical section I is sleeved on the cylindrical section I of the threaded mandrel; the upper part of the nut is connected with a handle which is perpendicular to the central axis of the nut; a plane washer is sleeved on the threaded mandrel; the plane washer is elastically supported between the nut and the crankcase bearing. The utility model discloses simple structure, easy and simple to handle safety, preparation low cost.
Description
Technical Field
The utility model belongs to the technical field of the erecting tool, concretely relates to an extrusion tool that is used for having screw thread mandrel of crankcase bearing.
Background
The pressing tool is used for pressing the connecting element, for example: press sleeves, coupling sleeves, mutually inserted pipes, etc., which have proven to be widely used, but which are relatively large and heavy, small and light presses have a considerable demand, which has not been available on the market until now, one of the main reasons for this being the safety of the press.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, the present invention aims to provide an extrusion tool with a threaded mandrel for a crankcase bearing.
The utility model discloses an accomplish above-mentioned technical problem and adopt following technical scheme:
a press tool with a threaded spindle for a crankcase bearing, the press tool having a threaded spindle; the threaded mandrel comprises a cylindrical section I with external threads; the lower end of the cylindrical section I is provided with a positioning and pressing square block; the square block and the cylindrical section I are in transition connection into a whole through a cylindrical section II, a frustum section, a cylindrical section III and a cylindrical section IV; the cylindrical section II, the frustum section, the cylindrical section III and the cylindrical section IV are sequentially arranged from top to bottom; the diameter of the cylindrical section II is the same as that of the cylindrical section I, and the outer wall surface of the cylindrical section II is a smooth surface; the frustum section is of a structure with diameter gradually expanded from top to bottom; the diameter of the cylindrical section III is larger than that of the cylindrical section II and smaller than that of the cylindrical section IV; the cylindrical section III is matched with a crankcase bearing; a nut matched with the thread of the cylindrical section I is sleeved on the cylindrical section I of the threaded mandrel; the upper part of the nut is connected with a handle which is perpendicular to the central axis of the nut; a plane washer is sleeved on the threaded mandrel; the plane washer is elastically supported between the nut and the crankcase bearing.
The upper part of the nut is provided with two mounting holes for mounting the handle, the two mounting holes are symmetrically distributed, and the two mounting holes are blind holes; the number of the handles is two.
The utility model relates to an extrusion instrument that is used for threaded mandrel of crankcase bearing, this device when using, adorn the hole that is used for sealing of bearing earlier with the treating of crankcase body on the locating surface of mandrel, adorn the bearing again on the mandrel, including the packing ring, screw up the nut through the handle rotation, use repeatedly until impressing the bearing, the utility model discloses simple structure, easy and simple to handle safety, preparation low cost.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the central threaded spindle of the present invention;
fig. 3 is a schematic structural view of the nut of the present invention;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic structural view of the handle of the present invention;
fig. 6 is a schematic structural view of the mid-plane washer of the present invention;
reference numbers in the figures: 1. 1-1 parts of threaded mandrel, 1-2 parts of cylindrical section I, 1-2 parts of cylindrical section II, 1-3 parts of frustum section 1-4 parts of cylindrical section III, 1-5 parts of cylindrical section IV, 1-6 parts of square block 2, nut 3, handle 4, plane washer 5 and crankcase bearing.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1, a press tool with a threaded spindle for a crankcase bearing, the press tool having a threaded spindle 1; referring to fig. 2, the threaded mandrel 1 includes a cylindrical section i 1-1 having an external thread; the lower end of the cylindrical section I1-1 is provided with a positioning square block 1-6; the square blocks 1-6 and the cylindrical section I1-1 are in transition connection with each other through a cylindrical section II 1-2, a frustum section 1-3, a cylindrical section III 1-4 and a cylindrical section IV 1-5 to form a whole; the cylindrical section II 1-2, the frustum section 1-3, the cylindrical section III 1-4 and the cylindrical section IV 1-5 are sequentially arranged from top to bottom; the diameter of the cylindrical section II 1-2 is the same as that of the cylindrical section I1-1, and the outer wall surface of the cylindrical section II is a smooth surface; the frustum sections 1-3 are structures with diameters gradually expanded from top to bottom; the diameter of the cylindrical section III 1-4 is larger than that of the cylindrical section II and smaller than that of the cylindrical section IV 1-5; the cylindrical sections III 1-4 are matched with a crankcase bearing 5; the cylindrical section I11 of the threaded mandrel is sleeved with a nut 2 matched with the thread of the threaded mandrel; with reference to fig. 3 and 4, the upper part of the screw 2 is connected with a handle 3 which is perpendicular to the central axis of the nut; the structure of the handle is schematically shown in FIG. 5; a plane washer 4 is sleeved on the threaded mandrel; the flat washer 4 is elastically supported between the nut and the crankcase bearing, and the structure of the flat washer is schematically shown in fig. 6.
The upper part of the nut is provided with two mounting holes for mounting the handle, the two mounting holes are symmetrically distributed, and the two mounting holes are blind holes; the number of the handles is two.
The utility model discloses an extrusion tool that has screw thread mandrel for crankcase bearing, including screw thread mandrel 1 and nut 2, handle 3 and packing ring 4, 1 middle part of screw thread mandrel sets up the location, handle 3 is the rod structure, and handle 3 is connected with nut 2. When in use, the handle 3 is rotated until the bearing is pressed into the crankcase.
The handle 3 and the nut 2 in the device are detachably connected, so that the device occupies a small space and is convenient to carry.
Claims (2)
1. A pressing tool with a threaded spindle for a crankcase bearing, characterized in that: the extrusion tool has a threaded mandrel; the threaded mandrel comprises a cylindrical section I with external threads; the lower end of the cylindrical section I is provided with a positioning square block; the square block and the cylindrical section I are in transition connection into a whole through a cylindrical section II, a frustum section, a cylindrical section III and a cylindrical section IV; the cylindrical section II, the frustum section, the cylindrical section III and the cylindrical section IV are sequentially arranged from top to bottom; the diameter of the cylindrical section II is the same as that of the cylindrical section I, and the outer wall surface of the cylindrical section II is a smooth surface; the frustum section is of a structure with diameter gradually expanded from top to bottom; the diameter of the cylindrical section III is larger than that of the cylindrical section II and smaller than that of the cylindrical section IV; the cylindrical section III is matched with a crankcase bearing; a nut matched with the thread of the cylindrical section I is sleeved on the cylindrical section I of the threaded mandrel; the upper part of the nut is connected with a handle which is perpendicular to the central axis of the nut; a plane washer is sleeved on the threaded mandrel; the plane washer is elastically supported between the nut and the crankcase bearing.
2. A pressing tool with a threaded spindle for a crankcase bearing according to claim 1 wherein: the upper part of the nut is provided with two mounting holes for mounting the handle, the two mounting holes are symmetrically distributed, and the two mounting holes are blind holes; the number of the handles is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077015.2U CN210452585U (en) | 2019-07-11 | 2019-07-11 | Extrusion tool with threaded spindle for crankcase bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077015.2U CN210452585U (en) | 2019-07-11 | 2019-07-11 | Extrusion tool with threaded spindle for crankcase bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210452585U true CN210452585U (en) | 2020-05-05 |
Family
ID=70444864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921077015.2U Expired - Fee Related CN210452585U (en) | 2019-07-11 | 2019-07-11 | Extrusion tool with threaded spindle for crankcase bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210452585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633606A (en) * | 2020-05-21 | 2020-09-08 | 西安交通大学 | Device for mounting rolling bearing on rotor |
-
2019
- 2019-07-11 CN CN201921077015.2U patent/CN210452585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633606A (en) * | 2020-05-21 | 2020-09-08 | 西安交通大学 | Device for mounting rolling bearing on rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 |