JPS6239832Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention is a pair of scissors components that are in the form of an intermediate fulcrum and are separable. This invention relates to scissors that are supported in a cross-shaped manner so that they can be opened and closed by a support shaft, and that can be separated into two constituent members.

[Prior Art] By the way, in order to separate a pair of scissors components, which are conventionally intersected and pivotally connected with a support shaft in the middle, for example, by removing the support shaft, it is possible to separate them for easy cleaning. Not only is the operation of attaching and detaching the support shaft cumbersome, but the support shaft is adjusted so that the contact surfaces of the two blades can be brought into sliding contact with an appropriate force when the scissors are opened and closed. Since it is undesirable to attach and detach the support shaft again and again because it causes a change in the sliding contact force, the ends are usually caulked so that the support shaft cannot be removed.

For this reason, conventional scissors that can be separated have an oval cross-section with parallel cutouts on both sides of the shaft, and a circular hole in the other member into which the shaft is inserted. One side of the hole is configured to open outward with a cut groove wide enough to allow the cut surface of the oval shaft to pass through, and when both members in use are opened at a predetermined intersecting angle, the above-mentioned The two members are separated by passing the oval shaft through the incision groove and pulling it out from the through hole.

[Problems to be solved by the invention] However, in the scissors of the above type, since the shaft that serves as a fulcrum when opening and closing is not circular, not only do both members wobble during the cutting operation, but also the shaft head causes damage to both parts. Since the sliding contact pressure against the member is insufficient, a sharp cutting action cannot be expected, and the cutting ability becomes worse.

[Means for Solving the Problems] The technical means of the present invention for solving the above-mentioned problems is to make the support shaft protruding from one member of a pair of scissor constituent members into a cylindrical shape, and to adjust the length of the protrusion. The support shaft is formed in such a size that it does not protrude through the through hole when the support shaft is inserted into the through hole provided in the other component, and a holding piece is provided on the side surface of the one component member from which the support shaft is protruded. The holding piece is pivotally attached to form a gap between the inner surface of the holding piece and the above-mentioned constituent member to sandwich the other constituent member, and the holding piece is directed outward from a position on the protruding end of the support shaft. This can be done by making it rotatable.

[Function] When attempting to separate the scissors configured in this way into both component members, the holding piece that is pivotally supported by one of the component members is moved over the through hole through which the spindle is inserted. It is sufficient to rotate the other member outward from the surface of the other component provided with the through hole, and then pull out the other member in the direction in which the support shaft protrudes. When the holding piece is still located on the other member, the other member can be rotated to a position outside of the contact with the holding piece by opening the other member about the support shaft.

In addition, in order to assemble both of the above-mentioned members, contrary to the above, the holding piece is rotated in advance to a position outside the end of the support shaft, and then the above-mentioned support shaft is inserted into the through hole provided in the other component. It is preferable to bring both members into a state of facing each other, and then rotate the holding piece so that its tip is positioned above the above-mentioned through hole. While being sandwiched between the member and the holding piece, both members can be opened and closed around the support shaft with the holding piece appropriately pressurizing the opposing member towards the other side, thereby cutting. It can be made to work.

[Example] Next, the present invention will be explained with reference to the example shown in the figure.
1 and 2 are blade bodies 1a, 2a and gripping parts 1b, 2b
A pair of scissor constituent members with a pair of scissors constituent members, which are formed by inserting a support shaft 3 protruding from one member 1, which is an intersection, into a through hole 4 of the other member 2 from the end side. It can be opened and closed around the support shaft 3, and the protruding length of the support shaft 3 is such that the end does not protrude outward beyond the through hole 4 into which it is inserted, and the shaft is cylindrical. It is formed in Reference numeral 5 denotes a holding piece pivotally supported by a pin 6 on the side surface of the gripping portion 1b located rearward from the protruding position of the support shaft 3 in one of the members, and the inner surface of the tip of this holding piece and the member 1 The holding piece 5 forms a gap 7 between the opposing surface of the support shaft 3 and the other component 2 in a pressurized state.
It is designed to be able to rotate from a position above the through hole 4 into which the through hole is inserted toward the outside beyond the outer surface of the component 2 in which the through hole is provided. Note that this holding piece 5 may be rotated counterclockwise in FIG. 1 to move its tip outward beyond the contact surface of the component 2;
It may be rotated clockwise as shown in the figure, and in this state the holding piece will still be located on the component 2, so when the component 2 is opened to the maximum extent as shown in the second diagram. What is necessary is to form the inner edge 2' of the holding piece 5 into a shape that can be removed from the holding piece 5. Further, the holding piece 5 is a member 2 sandwiched within the gap 7.
is applied with an appropriate force toward the member 1 on the opposing side, and this pressurizing means applies pressure to the holding piece in the gap 7.
In this case, in order to make it easier to sandwich the member 2 in the gap 7, chamfers 5a are applied to the corners of the inner surface of the holding piece 5 as shown in FIG. Alternatively, the pressure means may be provided by a raised bulge 5b formed on the inner surface of the holding piece 5 as shown in FIG. Reference numerals 8 and 8 are stoppers for restricting the rotation range of the holding piece 5, and a rear projection 5' of the holding piece 5 is interposed between the stoppers.

To separate the scissors having the above configuration from the used state, from the state shown in FIG. 1 to the state shown in FIG.
At the same time, both structural members 1 and 2 are opened widely around the support shaft 3, and one member 2 is taken out from the holding piece 5, and the member 2 is moved upward in the axial direction of the support shaft 3. On the other hand, in order to assemble both members 1 and 2, insert the support shaft 3 into the through hole 4 of the member 2 and insert the holding piece over the through hole, as shown in FIG. This can be done by positioning 5. During this assembly, the component 2 is pressed against the contact surface of the other component by the holding piece 5, thereby eliminating any looseness between the two components 1 and 2 during use.

[Effects] According to the present invention, both components can be quickly attached and detached by simply rotating the holding piece, but compared to the conventional example described above, no special processing is required on the support shaft or through hole. Not only that, but the entire circumference of this support shaft and through hole are in contact, so the opening and closing operations of both members are smooth and there is no wobbling during the cutting operation.
Furthermore, when assembled in use, the holding piece is positioned over the support shaft and the through hole through which it is inserted, so that both components are pressed in opposing directions at the fulcrum point. This allows the two members to be brought into good and reliable sliding contact during the cutting operation.

[Brief explanation of the drawing]

Fig. 1 is a front view showing an embodiment of the present invention, Fig. 2 is a front view of the same when separated, Fig. 3 is a side view with main parts cut away, and Figs. 4 and 5 are Figs. FIG. 6 is a cross-sectional view showing different embodiments of the holding piece taken along line A; 1 and 2 are structural members, 3 is a support shaft, 4 is a through hole, 5 is a holding piece, and 7 is a gap.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A pair of scissors components each having a blade body and a gripping portion, which can be opened and closed about a pivot provided at the intersection, in which one component The protruding support shaft is cylindrical and has a length such that it does not protrude outward from the through hole provided in the other component, and a holding piece is pivotally supported on the side surface outside the support shaft of the one component. A gap is formed between the inner surface of the holding piece and the constituent member to hold the other constituent member, and the holding piece is rotated outward from the position on the support shaft. Separable scissors characterized by: (2) Separable scissors as set forth in claim 1 of the utility model registration claim, characterized in that the holding piece is formed of an elastic piece and its inner surface is biased toward the gap. (3) Separable scissors as set forth in claim 1 of the utility model registration claim, characterized in that the inner surface of the holding piece has a protuberant bulge on the inner surface near the gap.