CN2838865Y - Cart labour-saving wrenches - Google Patents
Cart labour-saving wrenches Download PDFInfo
- Publication number
- CN2838865Y CN2838865Y CN 200520040052 CN200520040052U CN2838865Y CN 2838865 Y CN2838865 Y CN 2838865Y CN 200520040052 CN200520040052 CN 200520040052 CN 200520040052 U CN200520040052 U CN 200520040052U CN 2838865 Y CN2838865 Y CN 2838865Y
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- CN
- China
- Prior art keywords
- cylindrical shell
- labour
- planetary gear
- planetary
- gear set
- 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 relates to a labour-saving wrench of a larry, which relates to the improvement of the labour-saving wrench based on the situation that a non-standard arc tooth-shaped structure is applied to a planetary gear train for reducing the speed and enlarging a moment. The utility model is characterized in that a supporting part of the labour-saving wrench of a larry is formed by the method that a cylinder body with an internal tooth of a planetary gear is connected with a shot crank, one of the crank is provided with a shaft pin which is connected with a hinged supporting chain of the cylinder body, and the other end is fixedly connected with a supporting sleeve cylinder which can be sheathed on a nut adjacent to an assembled-disassembled tyre as a supporting point of work. The utility model has the advantages of simple structure, small size, and convenient operation, and is a convenient manual tool capable of being carried.
Description
Affiliated technical field
The utility model relates to a kind of dolly labour-saving spanner, it is based on non-standard arc toothed structure and applies in the planet circular system, this labour-saving spanner improvement that rising slows down increases moment, it is characterised in that: the labour-saving spanner of this dolly, its support section is to have on the cylindrical shell of planetary gear internal tooth to be connected with a very short crank, one end of crank has a bearing pin to be connected with the hinged chain of cylindrical shell, the other end has been fixedly connected stop sleeve, stop sleeve can be enclosed within on the nut that is closed on by the dismounting tire as the strong point of working, it is simple in structure, volume is very little, uses easily, and be the portable hand-operated tools of a kind of convenience.
Background technology
At present, dismounting dolly nut manual wrench, some is with the stock of a kind of " L " type instrument as dismounting, must use very big power when using this instrument, this also has some labour-saving spanners laborsavingly to use for the less people of ladies or muscle power some inconvenience when the dismounting nut, but because supporting construction connects with several extension bars, with the ground contact is the resistance point, though its advantage easy to use is arranged, volume is bigger.
The purpose of utility model
In order to overcome the deficiency of existing Wrench, the utility model is done one to the supporting construction of non-standard arc toothed labour-saving spanner and is improved, it is characterised in that: the labour-saving spanner of this structure, its support section is to have on the cylindrical shell of nonstandard circular arc planetary gear internal tooth to be connected with a very short crank, one end of crank has a bearing pin to be connected with the hinged chain of cylindrical shell, the other end has been fixedly connected stop sleeve, stop sleeve can be enclosed within on the nut that is closed on by the dismounting tire as the strong point of working, it is simple in structure, volume is very little, using easily, is the portable hand-operated tools of a kind of convenience.
Technical scheme
The technical scheme that its technical problem that solves the utility model adopts is: the utility model is by cylindrical shell, a power shaft, the 1st a grade of planetary gear set, the 2nd a grade of planetary gear set, an output shaft, a crank, a stop sleeve, a rocking handle is formed, the inside of cylindrical shell has nonstandard circular arc internal tooth, 2 groups of planetary gear set series connection, every group is 3 nonstandard circular arc planetary gears, their simultaneously with cylindrical shell in nonstandard circular arc internal tooth, the tooth engagement of nonstandard center of arc, the structure of power shaft is, its end is 1/2 " square mortise; the other end is a nonstandard center of arc tooth; the 1st grade of planetary gear set structure is that a planetary wheel carrier is arranged; 3 nonstandard circular arc planetary gears are housed on the planetary wheel carrier; an end of planetary wheel carrier is a nonstandard center of arc tooth; the 2nd grade of planetary gear set structure is that a planetary wheel carrier is arranged, 3 nonstandard circular arc planetary gears are housed on the planetary wheel carrier, and an end of planetary wheel carrier is an output shaft, and the front end of output shaft is 1/2 " square tenon; can connect a sleeve; the two ends of cylindrical shell are end caps, end cap connects with screw and cylindrical shell, and the outer middle part of described cylindrical shell housing is one the groove supporting structure; there have a crank to place to be poor; become hinge to connect with cylindrical shell by a pivot pin, the other end is a stop sleeve of fixing, and stop sleeve can be enclosed within on the bolt that split loading nut closes on the strong point as work; in a square mortise with the rocking handle insertion power shaft of square tenon, and shaking just can be conveniently behind the rocking handle, dismounting nut like a cork.
The utility model adopts the labour-saving spanner that this 2 grades of planetary gears combination structure makes owing to adopt crank and stop sleeve as support, makes its volume little, simple in structure and manufacturing cost is reduced.
Below in conjunction with embodiment to further specifying as the utility model:
Fig. 1 is a kind of dolly labour-saving spanner of the utility model structure chart,
Fig. 2 is an A-A profile among Fig. 1,
Fig. 3 is the schematic diagram of the utility model user mode.
Among Fig. 1,1. power shaft, 2. end cap, 3. star tooth axle, 4. nonstandard circular arc planetary gear, 5. planetary wheel carrier, 6. nonstandard center of arc tooth, 7. cylindrical shell,
8. screw, 9. output shaft, 10. sleeve, 11. pivot pins, 12. cranks, 13. stop sleevees, 14. rocking handles.
The utility model is to implement like this:
A kind of dolly labour-saving spanner, include: a cylindrical shell (7), a power shaft (1), the 1st a grade of planetary gear set, the 2nd a grade of planetary gear set, an output shaft (9), a crank (12), a stop sleeve (13), a rocking handle (14) is formed, the inside of cylindrical shell (7) has nonstandard circular arc internal tooth, 2 groups of planetary gear set series connection, every group of nonstandard circular arc planetary gear (4) is 3, their simultaneously with cylindrical shell (7) in internal tooth, nonstandard center of arc tooth (6) engagement, the structure of power shaft (1) is, its end is 1/2 " square mortise; the other end is a nonstandard center of arc tooth (6); the 1st grade of planetary gear set structure is that a planetary wheel carrier (5) is arranged; 2 nonstandard circular arc planetary gears (4) are housed on the planetary wheel carrier (5); an end of planetary wheel carrier (5) is a nonstandard center of arc tooth (6); the 2nd grade of planetary gear set structure is that a planetary wheel carrier (5) is arranged, 2 nonstandard circular arc planetary gears (4) are housed on the planetary wheel carrier (5), one end of planetary wheel carrier (5) is that the front end of an output shaft (9) output shaft (9) is 1/2 " square tenon; can connect a sleeve (10); the two ends of cylindrical shell (7) are end cap (2); end cap (2) connects with screw (8) and cylindrical shell (7); the outer middle part of described cylindrical shell (7) housing is one the groove supporting structure; there have a crank (12) to place to be poor, become hinge to connect with cylindrical shell (7) by a pivot pin (11), the other end is a stop sleeve (13) of fixing, and stop sleeve (13) can be enclosed within on the bolt that split loading nut closes on the strong point as work, insert with a rocking handle with square tenon (14) in the square mortise of power shaft, shaking rocking handle (14) back just can be convenient, dismounting nut like a cork.
Claims (5)
1. a dolly labour-saving spanner includes a cylindrical shell, a power shaft, the 1st a grade of planetary gear set, the 2nd a grade of planetary gear set, an output shaft, a crank, a stop sleeve, a rocking handle is formed, and it is characterized in that: the housing middle part of described cylindrical shell is one the groove supporting structure, described crank places poor, become hinge to connect with cylindrical shell by a pivot pin, described stop sleeve is fixed on crank one end, and described rocking handle can insert in the square mortise of power shaft.
2. a kind of dolly labour-saving spanner according to claim 1, it is characterized in that: the inside of described cylindrical shell has nonstandard circular arc internal tooth, the 1st a grade of planetary gear set and the 2nd a grade of planetary gear set place cylindrical shell, 2 groups of planetary gear set series connection, every group of planetary gear is 3, their simultaneously with cylindrical shell in internal tooth, the centre tooth engagement.
3. a kind of dolly labour-saving spanner according to claim 1 is characterized in that: an end of described power shaft is 1/2 " square mortise, the other end is a centre tooth.
4. a kind of dolly labour-saving spanner according to claim 1 is characterized in that: described the 1st grade of planetary gear set has a planetary wheel carrier, and 3 nonstandard circular arc planetary gears are housed on the planetary wheel carrier, and an end of planetary wheel carrier is a nonstandard center of arc tooth.
5. a kind of dolly labour-saving spanner according to claim 1, it is characterized in that: described the 2nd grade of planetary gear set structure is that a planetary wheel carrier is arranged, 3 nonstandard circular arc planetary gears are housed on the planetary wheel carrier, one end of planetary wheel carrier is an output shaft, the front end of output shaft is 1/2 " square tenon; can connect a sleeve, the two ends of cylindrical shell are end caps, and end cap is with the connection of screw and cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040052 CN2838865Y (en) | 2005-03-10 | 2005-03-10 | Cart labour-saving wrenches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040052 CN2838865Y (en) | 2005-03-10 | 2005-03-10 | Cart labour-saving wrenches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2838865Y true CN2838865Y (en) | 2006-11-22 |
Family
ID=37426851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520040052 Expired - Fee Related CN2838865Y (en) | 2005-03-10 | 2005-03-10 | Cart labour-saving wrenches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2838865Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198646A (en) * | 2010-03-26 | 2011-09-28 | 张国根 | Force-increasing spanner |
| CN104192734A (en) * | 2014-09-19 | 2014-12-10 | 东莞市毅新庆江机械制造有限公司 | General operation method for reaching given pre-tightening torque of high-strength bolt for tower crane |
| CN106625369A (en) * | 2016-12-14 | 2017-05-10 | 江西腾勒动力有限公司 | Installation assistive device for water pump pulley of engine |
-
2005
- 2005-03-10 CN CN 200520040052 patent/CN2838865Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198646A (en) * | 2010-03-26 | 2011-09-28 | 张国根 | Force-increasing spanner |
| CN104192734A (en) * | 2014-09-19 | 2014-12-10 | 东莞市毅新庆江机械制造有限公司 | General operation method for reaching given pre-tightening torque of high-strength bolt for tower crane |
| CN104192734B (en) * | 2014-09-19 | 2017-02-22 | 东莞市毅新庆江机械制造有限公司 | General operation method for reaching given pre-tightening torque of high-strength bolt for tower crane |
| CN106625369A (en) * | 2016-12-14 | 2017-05-10 | 江西腾勒动力有限公司 | Installation assistive device for water pump pulley of engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |