CN211439723U - Nuclear power overhauls with outer hexagonal spanner of quick change head - Google Patents
Nuclear power overhauls with outer hexagonal spanner of quick change head Download PDFInfo
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- CN211439723U CN211439723U CN201922309418.1U CN201922309418U CN211439723U CN 211439723 U CN211439723 U CN 211439723U CN 201922309418 U CN201922309418 U CN 201922309418U CN 211439723 U CN211439723 U CN 211439723U
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- wrench
- chuck
- fixing device
- replaceable
- head
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Abstract
The utility model discloses a quick-change external hexagonal wrench for nuclear power overhaul, which comprises a wrench handle, a wrench head, a replaceable wrench chuck and a wrench chuck fixing device, wherein the wrench handle is in a strip shape, one end of the wrench handle is provided with the wrench head, the inner center of the wrench head is provided with a wrench chuck installation cavity matched with the replaceable wrench chuck, the replaceable wrench chuck is arranged in the wrench chuck installation cavity, the replaceable wrench chuck is detachably connected with the wrench chuck installation cavity, the replaceable wrench chuck is a regular hexagonal cylinder or a regular quadrilateral cylinder, the utility model discloses a wrench head is provided with the wrench chuck installation cavity, the replaceable wrench chuck can be detachably arranged in the wrench chuck installation cavity, wrench chucks with different types can be freely changed according to bolt types, and the use is more convenient, the bolt is not easy to damage, and the carrying is more convenient.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a nuclear power overhauls the technical field of instrument, especially nuclear power overhauls with the technical field of outer hexagonal spanner of quick change head.
[ background of the invention ]
The nuclear power overhauls the instrument variety that needs a lot of, and universal tool such as pliers, spanner, screwdriver all can use, but because the particularity of nuclear power, need some maintenance instrument with strong points to improve maintenance efficiency, could accomplish maintenance work safely, efficient in limited time and space. Outer hexagonal spanner is the essential instrument of nuclear power maintenance, outer hexagonal spanner divide into fixed spanner and shifting wrench, and ordinary outer hexagonal spanner generally can only be twisted and move that kind of bolt that matches with the spanner model, and the bolt of different models needs the spanner of many different models, and the bolt of multiple different models can be twisted to the shifting wrench, but its shifting needs the hand to twist to control the size, and it is inconvenient to use, and the shifting gap of shifting wrench is big, and improper use causes the bolt head to damage easily.
[ Utility model ] content
The utility model discloses an aim at solving the problem among the prior art, provide a nuclear power overhauls with outer hexagonal spanner of quick-replaceable head, can freely change the spanner dop of different models according to the bolt model, it is more convenient to use, is difficult to damage the bolt, and it is more convenient to carry.
In order to realize the purpose, the utility model provides a quick head-changing outer hexagonal wrench for nuclear power overhaul, which comprises a wrench handle, a wrench head, a replaceable wrench chuck and a wrench chuck fixing device, the wrench handle is in a long strip shape, one end of the wrench handle is provided with a wrench head, the center inside the wrench head is provided with a wrench chuck installation cavity which can be matched with a replaceable wrench chuck, the replaceable wrench chuck is arranged in the wrench chuck mounting cavity and is detachably connected with the wrench chuck mounting cavity, the replaceable wrench chuck is a regular hexagonal cylinder or a regular quadrilateral cylinder, the center of the interior of the replaceable wrench chuck is provided with a screw chuck cavity which can be matched with an outer hexagon bolt, the wrench chuck mounting cavity is also internally provided with a plurality of wrench chuck fixing devices which can be matched with the replaceable wrench chuck.
Preferably, the upper end of the replaceable wrench chuck is provided with an annular limiting flange, and a limiting flange clamping groove which can be matched with the annular limiting flange is arranged in the wrench chuck mounting cavity.
Preferably, the wrench chuck fixing device comprises a steel ball body and a spring, a plurality of wrench chuck fixing device installation cavities which can be matched with the wrench chuck fixing device are transversely arranged in the wrench head, the opening of the wrench chuck fixing device mounting cavity faces the wrench chuck mounting cavity and is communicated with the wrench chuck mounting cavity, a spring is arranged in the wrench chuck fixing device mounting cavity, a steel ball body is arranged at the opening of the wrench chuck fixing device mounting cavity, the spring is connected with the steel ball body in a matching way, the inner diameter of the wrench chuck fixing device mounting cavity is slightly larger than the diameter of the steel ball body, the diameter of the opening of the wrench chuck fixing device mounting cavity is slightly smaller than that of the steel ball body, and the steel ball body is limited in the wrench chuck fixing device mounting cavity by the opening of the wrench chuck fixing device mounting cavity.
Preferably, the side wall of the replaceable wrench chuck is provided with a groove which can be matched with the steel ball body.
The utility model relates to a nuclear power overhauls with beneficial effect of outer hexagonal spanner of quick change head: the utility model discloses a set up spanner dop installation cavity with the spanner head, through can dismantling in spanner dop installation cavity and set up removable spanner dop, can freely change the spanner dop of different models according to the bolt model, it is more convenient to use, is difficult to damage the bolt, and it is more convenient to carry.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a quick head-changing external hexagonal wrench for nuclear power overhaul;
FIG. 2 is a side sectional view of the quick head-changing external hexagonal wrench for nuclear power overhaul;
FIG. 3 is a cross-sectional view of portion A-A of FIG. 1;
figure 4 is a bottom view of a schematic of a replaceable wrench chuck.
In the figure: 1-wrench handle, 2-wrench head, 3-replaceable wrench chuck, 4-wrench chuck fixing device, 21-wrench chuck mounting cavity, 22-wrench chuck fixing device mounting cavity, 31-annular limiting flange, 32-screw chuck cavity, 33-groove, 41-steel ball body and 42-spring.
[ detailed description ] embodiments
Referring to fig. 1, 2, 3 and 4, the utility model relates to a quick-change external hexagonal wrench for nuclear power overhaul, which comprises a wrench handle 1, a wrench head 2, a replaceable wrench chuck 3 and a wrench chuck fixing device 4, wherein the wrench handle 1 is in a long strip shape, one end of the wrench handle 1 is provided with the wrench head 2, the inner center of the wrench head 2 is provided with a wrench chuck mounting cavity 21 capable of being matched with the replaceable wrench chuck 3, the replaceable wrench chuck 3 is arranged in the wrench chuck mounting cavity 21, the replaceable wrench chuck 3 is detachably connected with the wrench chuck mounting cavity 21, the replaceable wrench chuck 3 is a regular hexagonal cylinder or a regular quadrilateral cylinder, the inner center of the replaceable wrench chuck 3 is provided with a screw head bayonet cavity 32 capable of being matched with an external hexagonal bolt, the wrench chuck mounting cavity 21 is also provided with a plurality of wrench chuck fixing devices 4, the wrench chuck fixing device 4 can be matched with the replaceable wrench chuck 3, the upper end of the replaceable wrench chuck 3 is provided with an annular limiting flange 31, the wrench chuck mounting cavity 21 is internally provided with a limiting flange clamping groove 211 matched with the annular limiting flange 31, the wrench chuck fixing device 4 comprises a steel ball body 41 and a spring 42, the wrench head 2 is internally and transversely provided with a plurality of wrench chuck fixing device mounting cavities 22 matched with the wrench chuck fixing device 4, the opening of the wrench chuck fixing device mounting cavity 22 faces the wrench chuck mounting cavity 21 and is communicated with the wrench chuck mounting cavity 21, the wrench chuck fixing device mounting cavity 22 is internally provided with the spring 42, the opening of the wrench chuck fixing device mounting cavity 22 is provided with the steel ball body 41, the spring 42 is matched and connected with the steel ball body 41, the inner diameter of the wrench chuck fixing device mounting cavity 22 is slightly larger than the diameter of the steel ball body 41, the diameter of the opening of the wrench chuck fixing device mounting cavity 22 is slightly smaller than the diameter of the steel ball body 41, the opening of the wrench chuck fixing device mounting cavity 22 limits the steel ball body 41 in the wrench chuck fixing device mounting cavity 22, and the side wall of the replaceable wrench chuck 3 is provided with a groove 33 which can be matched with the steel ball body 41.
The utility model discloses the working process:
the utility model relates to a nuclear power overhauls with outer hexagonal spanner of quick change head in the course of the work, from the removable spanner dop 3 of selecting suitable model screw chuck cavity 32 according to the bolt model, put into spanner dop installation cavity 21 with removable spanner dop 3, the cooperation of annular spacing flange 31 and spacing flange draw-in groove 211, the lateral wall and the spanner dop installation cavity 21 of removable spanner dop 3 are spacing with removable spanner dop 3, spring 42 drive steel ball body 41 card of spanner dop fixing device 4 is gone into in the recess 33 of the 3 lateral walls of removable spanner dop, it is fixed with removable spanner dop 3, alright use the spanner to twist the bolt.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (4)
1. The utility model provides a nuclear power overhauls with outer hexagonal spanner of quick change head which characterized in that: comprises a wrench handle (1), a wrench head (2), a replaceable wrench chuck (3) and a wrench chuck fixing device (4), wherein the wrench handle (1) is in a strip shape, the wrench head (2) is arranged at one end of the wrench handle (1), a wrench chuck mounting cavity (21) capable of being matched with the replaceable wrench chuck (3) is arranged at the center inside the wrench head (2), the replaceable wrench chuck (3) is arranged in the wrench chuck mounting cavity (21), the replaceable wrench chuck (3) is detachably connected with the wrench chuck mounting cavity (21), the replaceable wrench chuck (3) is a regular hexagonal cylinder or a regular quadrilateral cylinder, a screw chuck cavity (32) capable of being matched with an outer hexagonal bolt is arranged at the center inside the replaceable wrench chuck (3), and a plurality of wrench chuck fixing devices (4) are further arranged in the wrench chuck mounting cavity (21), the wrench chuck fixing device (4) can be matched with the replaceable wrench chuck (3).
2. The quick head-changing outer hexagonal wrench for nuclear power overhaul of claim 1 is characterized in that: the upper end of the replaceable wrench clamping head (3) is provided with an annular limiting flange (31), and a limiting flange clamping groove (211) which can be matched with the annular limiting flange (31) is arranged in the wrench clamping head mounting cavity (21).
3. The quick head-changing outer hexagonal wrench for nuclear power overhaul of claim 1 is characterized in that: spanner dop fixing device (4) include the steel ball body (41), spring (42), spanner head (2) in transversely be equipped with a plurality of can with spanner dop fixing device (4) complex spanner dop fixing device installation cavity (22), spanner dop fixing device installation cavity (22) the opening towards spanner dop installation cavity (21) setting and communicate with spanner dop installation cavity (21), spanner dop fixing device installation cavity (22) in be equipped with spring (42), spanner dop fixing device installation cavity (22) opening part be equipped with steel ball body (41), spring (42) be connected with steel ball body (41) cooperation, spanner dop fixing device installation cavity (22) inside diameter slightly be greater than the diameter of steel ball body (41), spanner dop fixing device installation cavity (22) opening part diameter slightly be less than the diameter of steel ball body (41), the opening of the wrench chuck fixing device mounting cavity (22) limits the steel ball body (41) in the wrench chuck fixing device mounting cavity (22).
4. The quick head-changing outer hexagonal wrench for nuclear power overhaul according to claim 3, characterized in that: the side wall of the replaceable wrench chuck (3) is provided with a groove (33) which can be matched with the steel ball body (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309418.1U CN211439723U (en) | 2019-12-20 | 2019-12-20 | Nuclear power overhauls with outer hexagonal spanner of quick change head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922309418.1U CN211439723U (en) | 2019-12-20 | 2019-12-20 | Nuclear power overhauls with outer hexagonal spanner of quick change head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211439723U true CN211439723U (en) | 2020-09-08 |
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ID=72294369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922309418.1U Active CN211439723U (en) | 2019-12-20 | 2019-12-20 | Nuclear power overhauls with outer hexagonal spanner of quick change head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211439723U (en) |
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2019
- 2019-12-20 CN CN201922309418.1U patent/CN211439723U/en active Active
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