JPH0244204B2 - TSUMEKIRI - Google Patents

Description

[Detailed description of the invention] purpose of invention (Industrial application field) This invention relates to nail clippers.

(Prior art) Conventionally, when attaching a lever body to a nail clipper body consisting of a fixed plate and a movable plate each having a blade at the tip, a lever body is attached to a stud inserted through the fixed plate and movable plate. A connecting shaft attached to the lever body is engaged with the formed connecting recess, and protrusions projecting inward from both ends of the bifurcated portion of the lever body are fitted into the connecting recess.

There is also a method in which pin holes are provided in the studs passing through the fixed plate and the movable plate, and the connecting shaft of the lever body is inserted through the pin hole to assemble the lever body to the nail clipper body.

(Problems to be Solved by the Invention) However, in the nail clipper configured as described above, when the lever body is attached to the nail clipper body, the fixed plate and the movable plate have their own elasticity and repulse in the direction in which they move away from each other. Since they fit together, it was necessary to connect the connecting shaft of the lever body to the stud while continuing to press the fixed plate and the movable plate, which was extremely troublesome.

Furthermore, during use, there is a problem in that the connection recess of the stud and the connection shaft or projection tend to disengage.

Structure of the Invention (Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides a method in which lower rivets are inserted into insertion holes formed in a fixed plate and a movable plate, each having a blade at the tip thereof, so that the lower end thereof is inserted into the insertion hole. The lever body is inserted so as to engage with the fixed plate, and the connecting shaft of the lever body is engaged with the connecting recess formed on the outer surface of the lower stud, and the lever body is applied to the nail clipper body consisting of the fixed plate and the movable plate. At the same time, in the connected state, the upper stud is fitted from above to the lower stud so that the regulating recess formed in the upper stud fits the connecting shaft from above, so that the connecting shaft is connected to the lower side. The gist of the nail clipper is a nail clipper that cannot be engaged with or detached from the connecting recess of the stud.

(Operation) When the upper stud engages with the lower stud, the regulating recess formed in the upper stud fits into the connecting shaft of the lever body from above, and the connecting shaft is engaged with and disengaged from the connecting recess of the lower stud. Connect and support in an impossible manner.

(Example) An example embodying the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, 1 is a nail clipper main body, each having blades 2a and 3a at the tip,
It is composed of a fixed plate 2 and a movable plate 3 whose base ends are connected and fixed to each other. Reference numeral 4 denotes a lower stud which is fitted into the insertion holes 2b and 3b formed in the fixed plate 2 and the movable plate 3, and has a collar portion 5 at its lower end and a fitting recess 6 at its upper end surface. is formed. The outer diameter of the collar portion 5 of the lower stud 4 is formed larger than the inner diameter of the insertion hole 2b of the fixing plate 2, so that when the lower stud 4 is inserted into the insertion hole 2b, the fixing plate 2 engages the lower surface of the

As shown in FIG. 3, reference numeral 7 denotes a connecting recess formed by cutting out the outer surface of the fitting recess 6 of the lower stud 4 in a direction perpendicular to the axial direction of the lower stud 4; It is formed to reach the axial center of the stud 4.

Reference numeral 8 denotes a lever body, and a shaft hole 10 is transparently provided in the side surface of the proximal forked portion 9 of the lever body. Reference numeral 11 denotes a connecting shaft installed in the forked portion 9 through a shaft hole 10, and as shown in FIGS. 2 and 5, the lower stud 4
It engages with the connecting recess 7 of.

Reference numeral 12 denotes an upper stud made of synthetic resin or the like that fits into the fitting recess 6 of the lower stud 4, and has a regulating recess 13 cut out in its lower surface. The connecting shaft 11 is connected to the connecting recess 7 of the lower stud 4.
When the upper stud 12 is fitted into the fitting recess 6 of the lower stud 4 while the upper stud 12 is engaged with the lower stud 4, the connecting shaft 11 will fit into the regulating recess 13 of the upper stud 12, as shown in FIG.
mated to.

Reference numeral 14 denotes a bulge formed by bulging the outer peripheral surface of the upper stud 12, and its outer diameter is slightly larger than the inner diameter of the fitting recess 6. When the lower stud 4 is fitted into the fitting recess 6 against its own elastic force, the bulge 14 is fitted into the connecting recess 7 as shown in FIG. It's getting old.

Now, the operation of the nail clipper configured as described above will be explained.

When assembling the lever body 8 to the nail clipper main body 1, the fixed plate 2 and the movable plate 3, which tend to separate from each other due to their own elasticity, are pressed, and the lower stud 4 is pushed against the fixed plate 2 and the movable plate 3. Insertion hole 2 of movable plate 3
b, 3b. As a result, the lower stud 4
The connecting recessed portion 7 formed in the movable plate 3 protrudes above the movable plate 3.

In this state, the connecting shaft 11 installed on the bifurcated portion 9 of the lever body 8 is fitted into the connecting recess 7 to connect the lever body 8 to the nail clipper body 1. Next, the upper stud 12 is inserted into the fitting recess 6 of the lower stud 4.
When the connecting shaft 11 is fitted into the regulating recess 13 formed in the upper stud 12, the assembly of the lever body 8 to the nail clipper main body 1 is completed.

In this way, in this embodiment, the connecting shaft 11 of the lever body 8 fitted into the connecting recess 7 of the lower stud 4
is irremovably supported by the regulating recess 13 of the upper stud 12, so the lever body 8 is reliably connected to the nail clipper body 1.

Further, when the upper stud 12 is fitted into the fitting recess 6 of the lower stud 4, the bulge 14 formed on the upper stud 12 fits into the opening of the connecting recess 7 of the lower stud 4. Therefore, there is no risk that the upper stud 12 will come off the lower stud 4, and the connection support of the connecting shaft 11 is made more reliable.

Also, to assemble the lever body 8 to the nail clipper body 1, the connecting shaft 11 is fitted into the connecting recess 7 of the lower stud 4.
Since the upper stud 12 is simply fitted into the fitting recess 6 of the lower stud 4 in the fitted state, the assembly work becomes easy.

(Second Example) Next, the second example embodying this invention will be described in the sixth example.
This will be explained with reference to the drawings and FIG.

Note that this embodiment differs from the first embodiment only in the way the lower studs 4 and upper studs 12 are fitted together.
For convenience of explanation, only the different configurations will be explained.

In FIGS. 6 and 7, the lower stud 4 has a fitting recess 21 formed by cutting the tip of the connecting recess 7 upward.
is formed, and the connecting shaft 11 of the lever body 8 is fitted into the fitting recess 21.

On the other hand, the upper stud 12 made of synthetic resin has its lower surface recessed to form a fitting recess 22, and a regulating recess 23 at a position facing each other in the axial direction of the side surface. The lower stud 4 is inserted and fitted into the fitting recess 22, and in this fitted state, the connecting shaft 11 is fitted into the regulating recess 23.

In addition, in FIG. 7, 24 indicates the upper stud 12.
The bulge is formed by bulging the inner peripheral surface of the fitting recess 22, and when the lower stud 4 is fitted into the fitting recess 22 of the upper stud 12 against its own elastic force. , the bulge 24 is adapted to fit into the opening of the connection recess 7.

As described above, in this embodiment, the lever body 8 can be reliably connected to the nail clipper body 1 as in the first embodiment, and the assembly work can be performed very easily.

It should be noted that the present invention is not limited to the above-described embodiments, and may be modified as desired without departing from the spirit of the invention.

Effects of the Invention As detailed above, according to the present invention, the connecting shaft of the lever body can be reliably engaged and supported by the lower stud with a simple operation, and the lever body 8 can be securely connected to the nail clipper body 1. It has excellent effects that can be linked to

[Brief explanation of the drawing]

Figure 1 is an overall side view of the nail clipper, Figure 2 is an enlarged side view of the main parts, Figure 3 is an enlarged perspective view of the lower stud and upper stud, and Figure 4 is an exploded exploded perspective view of the lever body and connecting shaft. Figure 5 is an enlarged side sectional view showing the lower stud and upper stud fitted together, and Figure 6 is an enlarged perspective view of the lower stud and upper stud for explaining the second embodiment of the invention. ,
FIG. 7 is an enlarged side sectional view showing a state in which the lower stud and the upper stud are fitted together. Nail clipper body 1, fixed plate 2, movable plate 3, blade 2a,
3a, insertion holes 2b, 3b, lower stud 4, fitting recess 6, connection recess 7, lever body 8, connection shaft 11, upper stud 12, regulating recess 13, bulge 14.

Claims (1)

[Claims] 1. Lower studs 4 are inserted into insertion holes 2b and 3b formed in the fixed plate 2 and movable plate 3, which have blades 2a and 3a at their tips, respectively, so that their lower ends engage with the fixed plate 2. The connecting shaft 11 of the lever body 8 is engaged with the connecting recess 7 formed on the outer surface of the lower stud 4, and the lever body is attached to the nail clipper body 1 consisting of the fixed plate 2 and the movable plate 3. 8 are connected, and in the connected state, the upper stud 12 is fitted from above to the lower stud 4 so that the regulating recess 13 formed in the upper stud 12 fits the connecting shaft 11 from above. The nail clipper is characterized in that the connecting shaft 11 cannot be engaged with or detached from the connecting recess 7 of the lower stud 4. 2. The nail clipper according to claim 1, wherein the lower stud 4 has a fitting recess 6 formed in its upper end surface, and the upper stud 12 is inserted into the fitting recess 6. 3. The nail clipper according to claim 1, wherein the upper stud 12 has a fitting recess 22 in its lower end surface, and the lower stud 4 is inserted into the fitting recess 22. 4. A patent claim in which the fitting portion of the upper stud 12 is formed with bulges 14 and 24 that engage with the opening of the connecting recess 7 of the lower stud 4 when the lower stud 4 is fitted. Nail clippers as described in item 1.