Tap wrench
Technical field
The utility model belongs to five metals class instrument, relates to a kind of spanner, and is particularly related to a kind of tap wrench.
Background technology
At present, electronics industry has become worldwide largest industry, and its world market share has surpassed 10 000 hundred million dollars.Electronic device is the basis of electronics industry, and for satisfying the great demand of electronics industry, the development in this field is very rapid.Along with the development of microelectric technique, the characteristic size of semiconductor devices has entered sub-micro, and many important breakthroughs are being arranged aspect principle, structure and the manufacturing process, has occurred many novel semi-conductor devices simultaneously.
The development that semiconductor industry is at full speed for the needs of explained hereafter, can use many special gas cylinders (HCL for example at the scene, WF6), it is very tight that but the cylinder valve that has closes when dispatching from the factory, when needing to reach the standard grade after changing gas cylinder, gruelling even can make wrist injured when opening cylinder valve.
The phenomenon of opening at the valve difficulty, there are company and individual to invent many spanners, as the screw-nut spanner, it is a metal sheet, its head has the supporting plate mouth (wrench) of nut, according to the nut size supporting series of products are arranged, this spanner is used to pull nut and has more positive effect, but can only use and pull nut, for pulling valve, people often use hand firmly to turn, or adopt iron head or iron hammer to knock valve, but valve is tighter, and as not turning and the dead valve that becomes rusty for a long time, the staff pulling valve is often impossible, and adopt heavier tup firmly to beat, can cause valve lever (or valve core) crooked and scrap, or very person is arranged, will break tap wrench into pieces and can't use or turn.
The utility model content
In order to solve the above mentioned problem of opening the valve inconvenience, the utility model provides a kind of spanner that can open valve quickly and easily.
In order to achieve the above object, the utility model proposes a kind of tap wrench, comprise main part and a plurality of body portions, its central point is distributed with a plurality of skidway holes relatively on described main part, described body portion comprises first cylinder and second cylinder, described first a cylindrical end and described second a cylindrical end are fixedly linked, and described second cylinder passes described skidway hole and is fixedly linked by nut connection and described main part.
Optionally, described main part center fixed is provided with the three cylindrical body.
Optionally, described three cylindrical body is a hollow structure.
Optionally, the hollow structure of described three cylindrical body is regular hexagon, regular pentagon or rhombus.
Optionally, the circle center line connecting of described first cylinder and described second cylinder two bottom surfaces is on the same straight line.
Optionally, the described first cylindrical diameter is greater than the described second cylindrical diameter.
Optionally, described skidway hole has a slideway, and described slideway connects two straight lines that are parallel to each other by two sections circular arcs and constitutes.
Optionally, the wide described second cylindrical diameter that is slightly larger than of described skidway hole slideway.
Optionally, the circular arc place diameter of a circle at described skidway hole two ends is slightly larger than the described second cylindrical diameter.
Optionally, the slideway of described skidway hole all points to the center of described main part.
The beneficial effect of the utility model tap wrench is: block the recess of valve by first cylinder of body portion, design ingenious, and practicality very, in the middle of main part, design the three cylindrical body in addition, be used in combination with common torque spanner, then not only convenient, and laborsaving.
Description of drawings
Fig. 1 is the schematic diagram of the utility model tap wrench first embodiment;
Fig. 2 is the schematic diagram of first embodiment of the utility model tap wrench main part;
Fig. 3 is the schematic diagram of the utility model tap wrench component embodiment;
Fig. 4 is the schematic diagram of the utility model tap wrench second embodiment;
Fig. 5 is the main part vertical view of the utility model tap wrench second embodiment.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model tap wrench is described in further detail.
Please refer to Fig. 1 to Fig. 3, Fig. 1 is the schematic diagram of the utility model tap wrench first embodiment, Fig. 2 is the schematic diagram of first embodiment of the utility model tap wrench main part, Fig. 3 is the schematic diagram of the utility model tap wrench component embodiment, as shown in the figure, tap wrench comprises main part 505 and a plurality of body portions, its central point is distributed with a plurality of skidway holes relatively on described main part 505, described body portion comprises first cylinder 200 and second cylinder 201, one end of one end of described first cylinder 200 and described second cylinder 201 is fixedly linked, the circle center line connecting of described first cylinder 200 and 201 liang of bottom surfaces of described second cylinder is on the same straight line, described second cylinder 201 passes described skidway hole and is fixedly linked by a nut 502 and described main part 505, the described skidway hole slideway 501 wide diameters that are slightly larger than described second cylinder 201, the circular arc 500 place diameter of a circles at described skidway hole two ends are slightly larger than the diameter of described second cylinder 201, and the slideway 501 of described skidway hole all points to the center of described main part.In the present embodiment, the quantity of a skidway hole and a body portion all is 4, because the described skidway hole slideway 501 wide diameters that are slightly larger than described second cylinder 201, therefore described body portion can move along the slideway on the skidway hole 501, because the slideway 501 of skidway hole all points to the center of described main part 505, therefore the mobile of a body portion is moving with respect to main part 505 centers of circle, promptly move or move near the center of circle away from the center of circle, because valve to be opened is circular, generally speaking, it all is identical propping up the position of fixing after body portion moves on skidway hole, main part second cylinder 201 can well be stuck in the recess of valve like this, be convenient to changeover valve.Emphasizing that skidway hole is symmetrically distributed with the center of main part, is in order better to allow a body portion block valve, and certain, the quantity of a body portion and skidway hole also can be 2,3 or more, as long as it is all right to be symmetrically distributed, does not do concrete qualification.
Then, please refer to Fig. 4 and Fig. 5, Fig. 4 is the schematic diagram of the utility model tap wrench second embodiment, Fig. 5 is the main part vertical view of the utility model tap wrench second embodiment, in second embodiment, tap wrench comprises main part 105 and a plurality of body portions, its central point is distributed with a plurality of skidway holes relatively on described main part 105, described body portion comprises first cylinder 200 and second cylinder 201, one end of one end of described first cylinder 200 and described second cylinder 201 is fixedly linked, described second cylinder 201 passes described skidway hole and is fixedly linked by a nut 302 and described main part 505, the described skidway hole slideway 101 wide diameters that are slightly larger than described second cylinder 201, the circular arc 100 place diameter of a circles at described skidway hole two ends are slightly larger than the diameter of described second cylinder 201, and the slideway 101 of described skidway hole all points to the center of described main part.In the present embodiment, the quantity of a skidway hole and a body portion also all is 4, centre position in described main part 105, three cylindrical body 102 can also be set, and described three cylindrical body 102 is a hollow structure, and its hollow structure 103 is regular hexagon, regular pentagon or rhombus, it shown in the figure regular hexagon, the purpose of She Zhiing is in order can be used with supporting torque spanner, can to continue to introduce below more laborsaving, concrete method of operating like this.
Repeat in order to illustrate no longer, we only introduce concrete method of operating at second embodiment.During practical operation, second cylinder 201 with each body portion passes the skidway hole of main part earlier, size according to valve to be opened, fix the position on each comfortable skidway hole, connect by a nut 302 afterwards, make each body portion all be fixedly linked with main part, form a complete tap wrench, first cylinder 200 of each body portion is snapped into the recess of valve, rotating main body part 105 just can be opened valve, in addition easily, centre position in main part is provided with three cylindrical body 102, have hollow structure, and hollow structure 103 is hexagon, can takes a common torque spanner, the connecting portion of torque spanner also is corresponding regular hexagon, embed the hollow structure 103 of three cylindrical body 102, the spanner of rotating torque spanner can be opened valve at this moment, not only convenient, and very laborsaving.
Though the utility model discloses as above with preferred embodiment, so it is not in order to limit the utility model.Have in the technical field under the utility model and know the knowledgeable usually, in not breaking away from spirit and scope of the present utility model, when being used for a variety of modifications and variations.Therefore, protection domain of the present utility model is as the criterion when looking claims person of defining.