JPH0522175Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a boiling sterilizer used to sterilize bacteria etc. attached to contact lenses.

[Prior Art] Conventionally, compact and lightweight boiling sterilizers for contact lenses have been provided that utilize semiconductor heaters, integrated circuits, etc., and they also omit the power cord so that they can be easily carried when traveling. A device is known that has a plug that can be directly inserted into and retracted from the case (for example, Japanese Patent Application Laid-Open No. 61-244362).

[Problem to be solved by the invention] However, the boiling sterilizer for contact lenses disclosed in the above-mentioned publication has a structure in which the power plug is slidably incorporated into the case and a fixed contact that is pressed into contact with the power plug is provided in the case. As the power plug moves in and out, the two parts rub against each other, which causes wear and tear.In particular, the part that is inserted into the outlet, which occupies a considerable length of the power plug, is moved in and out of the case body due to linear reciprocation. Because of this, there is a lot of sliding movement, and since it is boiled and sterilized every day, it is subject to more frequent wear and tear than regular electrical appliances, such as rechargeable razors, which have similar functions, resulting in increased wear and tear and inferior durability. There's a problem.

The present invention was developed to solve these problems, and it is compact and lightweight, and the part that connects the power plug to the outlet can be retracted from the case body. To provide a boiling sterilizer for contact lenses which has excellent durability and has little wear on fixed contacts even when the contact lenses are used.

[Means for Solving the Problems] In order to solve the above-mentioned problems, the boiling sterilizer for contact lenses, which is the present invention, includes a lens case accommodating part, a heating part, an electronic control part thereof, and an opening on one side. a case formed with a part;
a power plug that is fitted into the opening and is removable from the case, the power plug being able to be fitted into the opening from both the base side and the side where the plug blade is inserted into the outlet; , when the insertion portion is inserted from the side, the entire body is immersed in the case, and when the insertion portion is inserted from the base side, the insertion blade contacts a fixed contact provided inside the case, and the insertion portion is inserted into the case. It is characterized by being configured to protrude from the case.

[Operation] Insert the power plug into the opening from the base side, let the insertion part protrude from the opening, and insert it into the outlet for disinfection.Also, remove the power plug from the case, turn it around and insert it into the opening from the insertion part side. The whole thing is inserted into the case and stored or carried.

[Example] Next, embodiments of the present invention will be described based on the drawings.

The drawing shows an embodiment of the present invention, in which a case 1 is formed of a synthetic resin into a flat columnar body with an oval-shaped plane, and a housing recess 3 provided at the upper part of a hollow case body 2; The lens case 5 includes a housing part 6 for a lens case 5 formed by a lid body 4 covering the lens case 5. In the space 8 formed by the case body 2 and the bottom wall 7 of the housing recess 3, there is a metal heat sink 10 attached to the back side of the bottom wall 7 and a heater 11 formed of a semiconductor attached thereto. A heating unit 12 composed of
4 is provided. Further, an opening 17 into which a power plug 16 is inserted is formed in the lower center of one wide side wall 15 of the case body 2.

The power plug 16 has a plate-shaped base 18 made of synthetic resin or the like, similar to those commonly used in the past, and a pair of insertion blades 19, 19, with insertion parts 20, 20 for connecting to the outlet protruding from the tip surface. In particular, recesses 22, 22 are formed in one plane 21 of the base 18 to expose a part of the insert blades 19, 19, and a recess 22, 22 is formed at approximately the center of both side surfaces 23, 23. Stopper recess 24,
24 is formed.

On the other hand, on the printed wiring board 14, fixed contacts 25, 25 having a square-shaped side surface are installed so as to protrude downward. Further, side walls 2 parallel to each other are provided upright on the inner surface of the bottom wall 26 and extend inward of the opening 17.
Through holes 28, 28 are formed at predetermined positions of 7, 27, and locking plates 30, 30 are provided on the outside of these side walls 27, 27, and projecting portions are provided on these locking plates 30, 30. The locking projections 31, 31 are projected from the through holes 28, 28 into the opening 17 by the push springs 29, 29. When the power plug 16 is inserted into the opening 17, the locking protrusion 31 and the locking recesses 24, 24 engage with each other as shown in FIGS. At the same time, as shown in FIGS. 5 and 6, the fixed contacts 25, 25 fit into the recesses 22, 22 and come into contact with the insert blades 19, 19.

Further, a substantially fan-shaped mounting plate 32 is disposed on the upper surface of the bottom wall 26 of the case body 2 in correspondence with the opening 17, and a power plug 16 is disposed approximately in the center of the upper surface.
A protrusion 33 is provided to limit the insertion depth of the protrusion 33, and a knob 34 protruding from the lower surface of the protrusion 33 is fitted into an elongated hole 35 formed in the bottom wall 26 and extending in the insertion direction. It is allowed to slide in the direction in which the power plug 16 is inserted.

To explain how to use the boiling sterilizer for contact lenses having such a configuration, first, as in the conventional case, a lens case 5 containing a contact lens together with a storage solution is stored in the storage recess 3, and the lid 4 is placed on the lens case 5. Next, insert the power plug 16 removed from the opening 17 from the base 18 side, and
0 and 20 protrude from the opening 17 (states shown in FIGS. 2, 6, and 8). At this time, the knob 34
is in contact with the rear end of the elongated hole 35 and the rear end surface of the base 18 is in contact with the protrusion 33, that is, the insertion portion 20, 2
Insertion of the power plug 16 is restricted and stopped at a position where 0 protrudes from the side wall 15 by a predetermined length, and the locking protrusions 31, 31 and the locking recesses 24, 24 engage, and the power plug 16 opens. The fixed contacts 25, 25 and the insert blades 19, 19 contact each other at the same time. Therefore, when the case 1 is held and the plug-in parts 20, 20 are inserted into an outlet, current flows to the heater 11 via the fixed contacts 25, 25 and the electronic control part 13, and the heat sink 1
0 is heated and sterilized by boiling at a predetermined temperature for a predetermined time.

When the predetermined boiling time has passed and the disinfection is completed, hold the case 1 again and insert the insertion part 20.
20 from the outlet, or after removing the cover body 4 and removing the lens case 5, remove the power plug 16 from the opening 17, reverse the insertion direction, and insert the power plug 16 from the insertion part 20, 20 side to the opening 1.
7 (in the state shown in Figures 1, 5, and 7) and stored or carried. At this time, the distal end surface of the base 18 comes into contact with the protrusion 33 in the same way as when it is fitted from the base 18 side, and the rear end surface of the base 18 is in a predetermined position, that is, the rear end surface of the base 18 is placed on the side wall 1.
The power plug 16 stops at a position flush with the locking protrusions 31, 31 and the locking recesses 24, 2.
4 are engaged with each other to hold the power plug 16 at a predetermined position in the opening 17, so that the power plug 16 will not fall out during storage or carrying. Further, the fixed contacts 25, 25 are fitted into the recesses 22, 22, and there is no problem such as loss of elasticity due to storage or carrying in a deformed state.

When removing the power plug 16 from the opening 17, if it is inserted from the base 18 side, it is sufficient to grasp the insertion parts 20, 20 protruding from the case 1 and pull it out, or from the insertion parts 20, 20 side. When it is in the inserted state, grasp the knob 34 and move it in the removal direction to remove the base 18 as shown by the chain line in FIG.
All you have to do is make it protrude from the side wall 15, grab it and pull it out, and in either case it can be pulled out very easily.

According to this embodiment, the insertion portions 20, 20 of the power plug 16 can be made to protrude and retract from the case 1 by simply reversing the power plug 16 back and forth and fitting it into the opening 17, and the operation is simple. Insert blade 1
9, 19 are recesses 21, 21 formed in the base 18.
Since the exposed portion is in contact with the fixed contacts 25, 25, there is almost no rubbing distance between the two when the power plug 16 moves, so there is little wear and tear and excellent durability. . Furthermore, the positioning mechanism consisting of the locking recess 24 and the locking protrusion 31 ensures that the power plug 16 stops at a predetermined position, making it extremely easy to operate. It will not move and fall out compared to case 1.

In this embodiment, the insertion blades 19, 19 are exposed on one plane of the power plug 16, and the recesses 22, 22 are formed, but the opening 1 is formed by forming them on both sides.
There is no need to check the top and bottom surfaces when inserting into the 7, further improving operability. In addition, the power plug 16
The positioning mechanism is not limited to the configuration of this embodiment. Furthermore, the fixed contacts 25, 25 are connected to the power plug 1.
6 is fitted from the base 18 side, the insert blade 1
9 and 19, and the shape and mounting position can be changed freely.

[Effect of the invention] The present invention having the above-described configuration is such that when the power plug is moved in and out of the case, the contact distance between the insertion blade and the fixed contact provided in the case is reduced by reciprocating the conventional power plug in a straight line. Because the amount required is extremely small compared to those used for contact lenses, it has sufficient durability as a boiling sterilizer for contact lenses that are frequently used.It also has the advantage of not having a complicated structure and being easy to operate. It is something.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a perspective view showing the insertion portion recessed into the case, and FIG. 2 is a perspective view showing the insertion portion protruding from the case. , FIG. 3 is a perspective enlarged view showing the power plug, FIG. 4 is a sectional view taken along line A-A in FIG. 1, and FIGS. 5 and 6 are B-B in FIG. 4.
7 and 8 are cross-sectional views showing different states along line CC in FIG. 4. 1... Case, 6... Lens case housing section, 1
2... Heating section, 13... Electronic control section, 16... Power plug, 17... Opening, 18... Base, 19
...Insert blade, 20...Insert portion, 25...Fixed contact.

Claims (1)

[Scope of utility model registration request] A case 1 that includes a lens case accommodating section 6, a heating section 12, and an electronic control section 13 thereof, and has an opening 17 formed on one side, and a case that is fitted into the opening 17 and removed from the case 1. The power plug 16 can be fitted into the opening 17 from either the base 18 side or the outlet insertion parts 20, 20 side of the insertion blades 19, 19, and A fixed contact 25 whose entire body is recessed into the case 1 when inserted from the insertion portions 20, 20 side, and where the insertion blades 19, 19 are provided inside the case 1 when inserted from the base 18 side; 25, and the insertion portions 20, 20 are configured to protrude from the case 1.