CN211103785U - Outer ring side shaft mounting tool of instrument - Google Patents
Outer ring side shaft mounting tool of instrument Download PDFInfo
- Publication number
- CN211103785U CN211103785U CN201922288465.2U CN201922288465U CN211103785U CN 211103785 U CN211103785 U CN 211103785U CN 201922288465 U CN201922288465 U CN 201922288465U CN 211103785 U CN211103785 U CN 211103785U
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- CN
- China
- Prior art keywords
- core
- outer ring
- shaft
- dabber
- instrument
- 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
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Abstract
The utility model discloses an outer loop side shaft mounting tool of instrument, including depression bar, assembly axle, body, lock nut, dabber, core, the core is worn to locate on the body, and the outer loop suit is at the core front end, body top trompil, assembly axle pass the hole at body top and withhold the outer loop periphery, the dabber penetrates in the center hole of core and the dabber front end stretches out from the core, the depression bar radially inserts the dabber front end, lock nut locks for the dabber rear end. The utility model relates to a core, depression bar location outer loop to utilize the accurate installation outer loop both sides axle of assembly axle, whole instrument simple structure, convenient operation, light have improved work efficiency and operating mass with rated load.
Description
Technical Field
The utility model relates to an outer loop side shaft mounting tool of instrument.
Background
Two symmetrical side shafts with the diameter of 1 mm-3 mm are required to be accurately installed at two ends of a long circular outer ring in a certain small precision instrument, the long circular outer ring is difficult to position and fix, a common installation tool cannot accurately install the side shafts in place, and the assembly precision and the performance of the whole precision instrument are influenced by the accuracy of the installation position of the side shafts.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a simple structure, convenient operation's outer loop side shaft mounting tool of instrument.
The utility model provides a technical scheme of above-mentioned problem is: the utility model provides an outer loop side shaft mounting tool of instrument, includes depression bar, assembly axle, body, lock nut, dabber, core, the core is worn to locate on the body, and the outer loop suit is at the core front end, body top trompil, assembly axle pass the hole at body top and withstand the outer loop periphery, the dabber penetrates in the central hole of core and the dabber front end stretches out from the core, the depression bar radially inserts the dabber front end, lock nut locks for the dabber rear end.
The outer ring side shaft mounting tool of the instrument comprises a body, wherein the longitudinal section of the body is C-shaped.
The outer ring side shaft mounting tool of the instrument comprises a body, wherein a step hole is formed in the outer side face of the center of the body, a core is mounted on the body through the step hole in the center of the body, and the front end of the core extends out of the inner side face of the body.
The outer ring side shaft mounting tool of the instrument is characterized in that the mandrel is in clearance fit with a central hole of the mold core.
According to the outer ring side shaft mounting tool of the instrument, an opening washer is arranged between the rear end of the mandrel and the locking nut.
According to the outer ring side shaft mounting tool of the instrument, two shaft holes are symmetrically formed in the outer ring, and the coaxiality of the shaft holes of the outer ring and the shaft holes of the assembling shaft is less than or equal to 0.02 mm.
The beneficial effects of the utility model reside in that: the utility model relates to a core, depression bar location outer loop to utilize the accurate installation outer loop both sides axle of assembly axle, whole instrument simple structure, convenient operation, light have improved work efficiency and operating mass with rated load.
Drawings
Fig. 1 is a front view of the installation tool of the present invention.
Fig. 2 is a sectional view a-a in fig. 1.
Fig. 3 is a schematic view of the outer ring assembled side shaft.
Fig. 4 is a perspective view of the installation tool of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-4, an outer ring side shaft mounting tool of an instrument comprises a pressure lever 1, an assembly shaft 2, a body 3, a lock nut 4, a mandrel 5 and a core 7, wherein the core 7 is arranged on the body 3 in a penetrating manner, an outer ring 11 is sleeved at the front end of the core 7, the top of the body 3 is provided with a hole, the assembly shaft 2 penetrates through the hole at the top of the body 3 and props against the periphery of the outer ring 11, the mandrel 5 penetrates into the central hole of the core 7, the front end of the mandrel 5 extends out of the core 7, the pressure lever 1 is radially inserted into the front end of the mandrel 5, and the rear end of the mandrel 5 is locked by.
The longitudinal section of the body 3 is C-shaped. The central lateral surface of the body 3 is provided with a step hole, the core 7 is arranged on the body 3 through the step hole at the center of the body 3, and the front end of the core 7 extends out of the inner lateral surface of the body 3.
The mandrel 5 is in clearance fit with the central hole of the core 7.
An opening washer 6 is arranged between the rear end of the mandrel 5 and the locking nut 4.
Two shaft holes are symmetrically arranged on the outer ring 11, and the coaxiality of the shaft holes of the outer ring 11 and the shaft holes of the assembling shaft 2 is less than or equal to 0.02 mm.
A method of outer ring side shaft mounting of an instrument comprising the steps of:
1) installing a core 7 on the body 3 through a central step hole of the body 3, and allowing a core shaft 5 and a central hole of the core 7 to penetrate in a clearance fit manner; the outer ring 11 is sleeved into the mold core 7, and the pressure rod 1 is inserted into the front end hole of the mandrel 5.
2) The mandrel 5 is slid backwards to press the pressure lever 1 against the front end face of the outer ring 11, meanwhile, the rear end face of the outer ring 11 is made to lean against the inner side face of the body 3, and then the rear end of the mandrel 5 is sleeved with the upper opening washer 6 and locked by the locking nut 4; the assembly shaft 2 penetrates through a hole at the top of the body 3 and is pressed against the periphery of the outer ring 11; the coaxiality of the shaft hole of the outer ring 11 and the shaft hole of the assembling shaft 2 is less than or equal to 0.02mm after the assembling shaft 2 props against the periphery of the outer ring 11.
3) Sliding the side shaft into an inner hole of the assembly shaft 2, inserting a round rod with the diameter smaller than that of the inner hole of the assembly shaft 2 into the inner hole of the assembly shaft 2, pressing the side shaft into the outer ring 11, and installing the side shaft in place by propping against the mold core 7; and taking out the assembly shaft 2, turning the whole mounting tool by 180 degrees, penetrating the assembly shaft 2 through the hole at the top of the body 3 again and propping against the periphery of the outer ring 11, inserting a round rod with the diameter smaller than the inner hole of the assembly shaft 2 into the inner hole of the assembly shaft 2, tightly pressing the side shaft into the outer ring 11, propping against the mold core 7 by the side shaft, namely, mounting in place, and taking out the assembly shaft 2.
4) And (3) loosening the locking nut 4, sliding the mandrel 5 forwards, taking the pressure rod 1 out of a front end hole of the mandrel 5, then taking the outer ring 11 with the assembled side shafts on the two sides out of the mold core 7, and finishing the mounting work of the side shafts of the outer ring 11.
Claims (6)
1. An outer ring side shaft mounting tool of instrument which characterized in that: the core shaft penetrates through the hole in the top of the body and props against the periphery of the outer ring, the core shaft penetrates into the central hole of the core shaft and extends out of the core shaft, the pressing rod is radially inserted into the front end of the core shaft, and the rear end of the core shaft is locked by the locking nut.
2. An outer ring side shaft installation tool of an instrument according to claim 1, wherein: the longitudinal section of the body is C-shaped.
3. An outer ring side shaft installation tool of an instrument according to claim 2, wherein: the outer side face of the center of the body is provided with a step hole, the core is installed on the body through the step hole in the center of the body, and the front end of the core extends out of the inner side face of the body.
4. An outer ring side shaft installation tool of an instrument according to claim 1, wherein: the central holes of the core shaft and the core are in clearance fit.
5. An outer ring side shaft installation tool of an instrument according to claim 1, wherein: an opening washer is arranged between the rear end of the mandrel and the locking nut.
6. An outer ring side shaft installation tool of an instrument according to claim 1, wherein: two shaft holes are symmetrically arranged on the outer ring, and the coaxiality of the shaft holes of the outer ring and the shaft holes of the assembling shafts is less than or equal to 0.02 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288465.2U CN211103785U (en) | 2019-12-19 | 2019-12-19 | Outer ring side shaft mounting tool of instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288465.2U CN211103785U (en) | 2019-12-19 | 2019-12-19 | Outer ring side shaft mounting tool of instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211103785U true CN211103785U (en) | 2020-07-28 |
Family
ID=71721808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922288465.2U Expired - Fee Related CN211103785U (en) | 2019-12-19 | 2019-12-19 | Outer ring side shaft mounting tool of instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211103785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815133A (en) * | 2019-12-19 | 2020-02-21 | 江南工业集团有限公司 | Tool and method for mounting outer ring side shaft of instrument |
-
2019
- 2019-12-19 CN CN201922288465.2U patent/CN211103785U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815133A (en) * | 2019-12-19 | 2020-02-21 | 江南工业集团有限公司 | Tool and method for mounting outer ring side shaft of instrument |
| CN110815133B (en) * | 2019-12-19 | 2024-01-19 | 江南工业集团有限公司 | Instrument outer ring side shaft installation tool and installation method |
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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: 20200728 Termination date: 20201219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |