CN209793572U - Nut dismounting labor-saving wrench with dustproof mechanism - Google Patents
Nut dismounting labor-saving wrench with dustproof mechanism Download PDFInfo
- Publication number
- CN209793572U CN209793572U CN201920050321.0U CN201920050321U CN209793572U CN 209793572 U CN209793572 U CN 209793572U CN 201920050321 U CN201920050321 U CN 201920050321U CN 209793572 U CN209793572 U CN 209793572U
- Authority
- CN
- China
- Prior art keywords
- dustproof
- end cover
- output shaft
- ring groove
- inner ring
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 description 16
- 239000000428 dust Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a laborsaving spanner of nut dismouting with dustproof mechanism aims at providing a dustproof effectual, and simple structure and practicality are strong laborsaving spanner of nut dismouting, and its technical scheme main points are equipped with dustproof mechanism on the casing, and this dustproof mechanism locates the dustproof end cover that the output shaft is outer and one side is connected with the casing including the cover, sets up first seal assembly between dustproof end cover and casing and sets up the second seal assembly between dustproof end cover and output shaft, first seal assembly including set up the inner ring groove on dustproof end cover and shells inner wall conflict face, set up first sealing washer in the inner ring groove, set up the installation annular on shells inner wall and set up the jump ring in the installation annular, the utility model is suitable for a spanner technical field.
Description
Technical Field
The utility model relates to a spanner technical field, more specifically say, it relates to a laborsaving spanner of nut dismouting with dustproof mechanism.
Background
At present, the labor-saving wrench for dismounting and mounting nuts in the market comprises a power input mechanism, a power deceleration and force increasing mechanism, a power output mechanism and a shell. Traditional spanner, when not practical to it, to its protective effect relatively poor, lead to the practical effect variation of spanner because of the entering of dust easily.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a laborsaving spanner of nut dismouting that dustproof effectual, simple structure and practicality are strong.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a laborsaving spanner of nut dismouting with dustproof mechanism, includes power input mechanism, power speed reduction boosting mechanism, power take off mechanism and casing, and power take off mechanism includes the output shaft, and the one end of output shaft is connected with the rocking handle, be equipped with dustproof mechanism on the casing, this dustproof mechanism locates the outer dustproof end cover that just one side is connected with the casing of output shaft, sets up first seal assembly between dustproof end cover and casing and sets up the second seal assembly between dustproof end cover and output shaft including the cover, first seal assembly is including setting up the inner ring groove on dustproof end cover and shells inner wall conflict face, setting up first sealing washer in the inner ring groove, setting up the installation annular on shells inner wall and setting up the jump ring in the installation annular.
By adopting the technical scheme, the dustproof mechanism is arranged on the shell, in order to improve good dustproof effect, the dustproof mechanism is arranged and comprises a dustproof end cover which is sleeved outside the output shaft and one side of the dustproof end cover is connected with the shell, a first sealing component arranged between the dustproof end cover and the shell and a second sealing component arranged between the dustproof end cover and the output shaft, good sealed dustproof effect is improved by the arranged dustproof end cover and the first sealing component and the second sealing component, the first sealing component is further arranged to comprise an inner ring groove arranged on the contact surface of the dustproof end cover and the inner wall of the shell, a first sealing ring arranged in the inner ring groove, a mounting ring groove arranged on the inner wall of the shell and a clamp spring arranged in the mounting ring groove, and the first sealing ring is matched with the inner ring groove, good sealing effect is improved, good stability and strength are improved through the cooperation between the mounting ring groove and the clamp spring, the structure is simple, the practicability is high, the dustproof effect is good, and the assembly is simple.
The utility model discloses further set up to: and a fixing component is arranged between the first sealing ring and the inner annular groove and comprises a first limiting block parallel to the bottom of the inner annular groove and a second limiting block vertical to the bottom of the inner annular groove.
Through adopting above-mentioned technical scheme, be equipped with fixed subassembly between first sealing washer and the inner ring groove, adopt the above-mentioned structure setting, through the fixed subassembly that sets up, and this fixed subassembly include with inner ring groove tank bottom parallel first stopper and with inner ring groove tank bottom looks vertically second stopper, through the first stopper and the second stopper that set up, then can ensure that first sealing washer and inner ring groove form good spacing effect, and the mode that sets up of first stopper and second stopper, then formed two-way spacing effect, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability.
The utility model discloses further set up to: the second seal assembly comprises a second seal ring arranged on the abutting surface of the dustproof end cover and the output shaft.
Through adopting above-mentioned technical scheme, second seal assembly is including setting up the second sealing washer on dustproof end cover and output shaft conflict face, through the second sealing washer that sets up, then has improved the sealed effect between dustproof end cover and the output shaft to good dustproof effect has been ensured.
Drawings
Fig. 1 is a schematic view of a cross-sectional structure of an embodiment of the nut dismounting labor-saving wrench with a dustproof mechanism of the present invention.
Fig. 2 is an enlarged schematic view of a structure at a position a in fig. 1 of an embodiment of the nut dismounting labor-saving wrench with a dustproof mechanism of the present invention.
Fig. 3 is the schematic view of the structure of the inner ring groove and the first sealing ring in the embodiment of the nut dismounting labor-saving wrench with the dustproof mechanism.
The number of the drawing is 1, a shell, 10, a dustproof end cover, 11, an inner annular groove, 110, a first limiting block, 111, a second limiting block, 12, a first sealing ring, 13, an installation annular groove, 14, a clamp spring, 2, an output shaft, 20, a second sealing ring and 3, a rocking handle.
Detailed Description
The embodiment of the nut dismounting labor-saving wrench with a dustproof mechanism of the present invention will be further described with reference to fig. 1 to 3.
A labor-saving wrench with a dustproof mechanism for nut dismounting comprises a power input mechanism, a power deceleration force-increasing mechanism, a power output mechanism and a shell 1, wherein the power output mechanism comprises an output shaft 2, one end of the output shaft 2 is connected with a rocking handle 3, the shell 1 is provided with the dustproof mechanism, in order to improve a good dustproof effect, the dustproof mechanism is arranged, the dustproof mechanism comprises a dustproof end cover 10 which is sleeved outside the output shaft 2 and one side of the dustproof end cover is connected with the shell 1, a first sealing component is arranged between the dustproof end cover 10 and the shell 1, a second sealing component is arranged between the dustproof end cover 10 and the output shaft 2, the dustproof end cover 10 is arranged, the first sealing component and the second sealing component are used for sealing, a good sealing dustproof effect is improved, and the first sealing component is further arranged to comprise an inner annular groove 11 arranged on a contact surface between the dustproof end cover 10 and the inner wall of the shell 1, Set up first sealing washer 12 in inner ring groove 11, set up installation annular 13 on the casing 1 inner wall and set up jump ring 14 in installation annular 13, through the cooperation between inner ring groove 11 and first sealing washer 12, then improved good sealed effect, the cooperation between rethread installation annular 13 and the jump ring 14 has then improved good stability intensity, simple structure, and the practicality is strong, and is dustproof effectual, assembles simply.
The utility model discloses further set up to, be equipped with fixed subassembly between first sealing washer 12 and the inner ring groove 11, adopt the above-mentioned structure setting, through the fixed subassembly that sets up, and this fixed subassembly include with inner ring groove 11 tank bottom parallel first stopper 110 and with inner ring groove 11 tank bottom looks vertically second stopper 111, through first stopper 110 and the second stopper 111 that sets up, then can ensure that first sealing washer 12 and inner ring groove 11 form good spacing effect, and the mode that sets up of first stopper 110 and second stopper 111, then formed two-way spacing effect, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability.
The utility model discloses further set up to, second seal assembly is including setting up the second sealing washer 20 on dustproof end cover 10 and output shaft 2 conflict face, through the second sealing washer 20 that sets up, then improved the sealed effect between dustproof end cover 10 and the output shaft 2 to good dustproof effect has been ensured.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (2)
1. The utility model provides a laborsaving spanner of nut dismouting with dustproof mechanism, includes power input mechanism, power speed reduction boosting mechanism, power take off mechanism and casing, and power take off mechanism includes the output shaft, and the one end of output shaft is connected with rocking handle, characterized by: be equipped with dustproof mechanism on the casing, this dustproof mechanism locates the output shaft outer and dustproof end cover that one side is connected with the casing including the cover, sets up first seal assembly between dustproof end cover and casing and sets up the second seal assembly between dustproof end cover and output shaft, first seal assembly is including setting up inner ring groove on dustproof end cover and shells inner wall conflict face, setting up first sealing washer in inner ring groove, setting up the installation annular on shells inner wall and setting up the jump ring in the installation annular, be equipped with fixed subassembly between first sealing washer and the inner ring groove, this fixed subassembly include with the inner ring groove tank bottom parallel first stopper and with the inner ring groove bottom looks vertically second stopper.
2. The labor-saving wrench with a dustproof mechanism for nut assembly and disassembly as claimed in claim 1, is characterized in that: the second sealing component is abutted against the output shaft through the dustproof end cover
A second seal ring on the face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050321.0U CN209793572U (en) | 2019-01-11 | 2019-01-11 | Nut dismounting labor-saving wrench with dustproof mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050321.0U CN209793572U (en) | 2019-01-11 | 2019-01-11 | Nut dismounting labor-saving wrench with dustproof mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209793572U true CN209793572U (en) | 2019-12-17 |
Family
ID=68819885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920050321.0U Expired - Fee Related CN209793572U (en) | 2019-01-11 | 2019-01-11 | Nut dismounting labor-saving wrench with dustproof mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209793572U (en) |
-
2019
- 2019-01-11 CN CN201920050321.0U patent/CN209793572U/en not_active Expired - Fee Related
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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: 20191217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |