JPS6322949Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an improvement of a key chain with a lamp that incorporates a miniature lamp and a battery.

The conventional key chain with a lamp is
The car key or house key that is attached to the body of the car is held integrally with the body, and there is no such thing that allows the desired key to be attached interchangeably. In addition, since the body is extremely small, it is troublesome to incorporate the miniature lamp, battery, and switch function into it. There is a problem in that it is troublesome to assemble the spring that keeps the push button in the off position.

The present invention was devised to solve this problem, and it is a key holder with a lamp that allows the key of a desired car or house to be attached interchangeably to the body of the key holder, and also allows for the installation of a small lamp switch mechanism. The purpose is to provide new means to make this easier.

In the present invention, as a means to achieve this objective, the body is divided into two parts, an upper cover and a lower cover, which are joined to each other and integrally connected by fitting a fitting pin and a fitting hole. , the lower cover is formed with a recess into which the head of the key is inserted at a depth approximately corresponding to the plate thickness of the key on the joint surface with the upper cover, and the recess is inserted into the recess. A notch for protruding the body of the inserted key is formed on the front end face of the lower cover, and on both sides of the fitting recess of the joint surface, both sides of a leaf spring that crosses the fitting recess are formed. A plurality of engagement grooves are arranged in parallel in the front and back, and the small lamp, battery, terminal board, etc. are accommodated in the narrow recess on the joint surface side of the upper cover. A push button is held in a through hole provided on the side so as to communicate with the recess, so as to be freely retractable.
Between the push button and the battery accommodated in the recess, a flexible elastic material made of synthetic resin is formed into a thick disk shape, and a hole is provided that penetrates in the direction of the thickness. A terminal board is interposed between the elastic material and the push button to contact the battery and turn on the circuit of the miniature lamp, and the terminal board has a thickness of the elastic material. The present invention proposes a key chain with a lamp, characterized in that a contact terminal portion of a shorter length is protruded and inserted into a hole in the elastic material of the contact terminal portion.

Next, an example of implementation will be described in detail with reference to the drawings.

FIG. 1 is a perspective view of a key holder A with a lamp according to the present invention, in which a indicates the body of the key holder A with a lamp, 1 indicates an upper cover, and 2 indicates a lower cover.

The upper cover 1 and the lower cover 2 are each formed separately by molding a hard synthetic resin material.
4 and 5 on their joint surfaces 1a and 2a.
As shown in the figure, the fitting pin 10... and the fitting hole 2
0... are formed, and the fitting pins 10... and the fitting holes 20... are fitted to form joint surfaces 1a and 2a.
By closing them together, they are assembled into a single body a as shown in FIG. 1 mentioned above.

In FIG. 4, reference numeral 21 denotes a fitting recess formed in the joint surface 2a of the lower cover 2 in order to fit the head 30 of the key 3 (see FIG. 2). As is clear from the comparison with the head 30, it is formed larger in the front and back direction (in the vertical direction in FIG. 4) than the head 30, and is adapted to accommodate changes in the size of the head 30 depending on the type of key 3. It's becoming like that. In addition, since the width of the head 30 of the key 3 is usually the maximum in the shape shown in FIG. 30 is inserted, and is longer than the head 30 in the front and back. In addition, this fitting recess 21
The depth of the key 3 corresponds approximately to the thickness of the key 3.

Reference numeral 22 denotes a notch for allowing the body 31 of the key 3, in which the head 30 is fitted into the fitting recess 21, to protrude outside the body a. It is formed to be continuous with the narrowly constricted tip of the recess 21.

23... is an engagement groove for locking the leaf spring 4 that presses the head 30 of the key 3 fitted into the fitting recess 21 against the constricted end side of the fitting recess 21; They are provided in a series on the left and right sides of the fitting recess 21 on the joint surface 2a of the lower cover 2 so as to be parallel to each other in the front and rear, and these engaging grooves 23 are appropriately selected to fit both ends of the leaf spring 4. By engaging the plate spring 4, the plate spring 4 is brought into a state where it crosses the fitting recess 21 as shown in FIG. It is set as.

Reference numeral 11 denotes a recessed portion provided in the joint surface 1a of the upper cover 1 to accommodate the miniature lamp 50, battery 51, terminal plates 52, 53, etc. as shown in FIG. 5, as shown in FIG. It is formed into a narrow width,
The front end side has an opening 11a in the front end surface 1b of the upper cover 1, and the rear end side communicates with a through hole 12 provided near the rear end of the upper surface 1c side of the upper cover 1. . The miniature lamp 50, battery 51, terminal plates 52, 53, etc. are fitted into the recess 11 (Fig. 7), and the push button 6 is fitted and held in the through hole 12 so as to be freely retractable. (Figure 7).

Note that one terminal plate 52 of the terminal plates 52 and 53
As shown in FIG. 8, there is a battery 51 on the rear end side.
It is equipped with a holding piece 52a that holds a mercury battery or a cadmium battery, and a miniature lamp 50 is provided on the front end side.
A terminal piece 52b is provided which comes into contact with the inner pole 50a. In addition, the other terminal plate 53 has a holding part 53a that holds the miniature light bulb (miniature lamp) 50 on the front end side. By providing the small protrusion 53b protruding from the outer pole 50 of the miniature lamp 50,
With the screw groove b engaged with the small protrusion 53b,
The miniature lamp 50 is held by fitting the outer pole 50b into the shape part, and the pressing part 53c connected to the above-mentioned push button 6 is provided on the rear end side. A contact terminal portion 8 is provided in the center of the pressing portion 53c, which is inserted into a hole 70 of the elastic material 7, which will be described later. , is formed into a cylindrical shape by molding the material of the terminal plate 53.

Reference numeral 7 denotes an expandable elastic material made of synthetic resin that serves as an insulating material, and is shaped like a slightly hard sponge, and is formed into a thick disk shape with approximately the same diameter and thickness as the battery 51 described above. In the central part of the terminal plate 5,
A hole 70 into which a cylindrical contact terminal portion 8 integrally formed with the material of the contact terminal 3 is inserted is formed to be transparent in the thickness direction. The relationship between the thickness of the elastic material 7 and the protrusion length of the cylindrical contact terminal section 8 described above is shown in FIG. 9 when the contact terminal section 8 is inserted into the hole 70 of the elastic material 7. As shown in FIG. 3, the tip of the contact terminal portion 8 is set so as to be located halfway within the inner cavity of the hole portion 70.

Therefore, in order to assemble the miniature lamp 50 and the battery 51, etc., first turn the upper cover 1 upside down as shown in FIG. 11 side into the through hole 12, and then insert the terminal plate 53 holding the small lamp 50 with the contact terminal part 8 provided on it protruding to the side opposite to the push button 6. A resilient material 7 is placed on top of the resilient material 7 so that its hole 70 fits into the contact terminal portion 8, and a terminal board 5 on which a battery 51 is held is further placed on top of the resilient material 7.
2 is fitted in such a state that the battery 51 to be held overlaps with the elastic material 7, and the terminal piece 52b on the front end side of the terminal plate 52 is connected to the inner pole 50a of the small lamp 50 as shown by the chain line in FIG. This is done by bringing it into contact with the

Reference numeral 9 denotes a transparent plate made of a synthetic resin material that holds the assembled miniature lamps 50 in that state.As shown in FIG. 9 is fitted into the engagement pin 10a provided on the joint surface 1b of the upper cover 1 and the engagement hole 90 provided in the transparent plate 9, and the upper cover 1 is closed.
By fixing it to , it acts to hold the small lamp 50 etc. in the assembled state.

In addition, in FIG. 4, the part w indicated by a solid line and in FIG. When the lower cover 2 and the upper cover 1 are fitted and closed together, the head 30 of the key 3 is more firmly fixed.

The embodiment device constructed in this manner operates as follows.

When assembling the key 3 to the body a, first, remove the fitting between the fitting pin 10 and the fitting hole 20 of the body a, and then remove the upper cover 1 and the lower cover which are integrally connected by the fitting. Separate into 2. Then, the head 30 of the key 3 is fitted into the fitting recess 21 provided on the joint surface 2a of the lower cover 2. Next, the engagement grooves 23, 23 selected from the plurality of engagement grooves 23 provided in parallel on both sides of the fitting recess 21 are selected.
The left and right ends of the leaf spring 4 are fitted in the left and right ends of the leaf spring 4, and the left and right middle parts of the leaf spring 4 push out the head 30 of the key 3 toward the notch 22. 2, thereby fixing the key 3 to the lower cover 2. At this time, if the head 30 of the key 3 is small and the leaf spring 4 is insufficiently pressing the head of the key 3 against the edge of the notch 22, the leaf spring 4 may be Then, select and engage another engagement groove 23, 23 that is closer to the notch 22 side than that engagement groove, so that the head 30 of the key 3 is strongly pushed toward the notch 22 side. . As a result, the head 3 of the key 3
0 is fixed to the lower cover 2, attach the removed upper cover 1 to the joint surface 2a of the lower cover 2, so that the joint surface 1a thereof faces the joint surface 2a of the lower cover 2. Then, the fitting pin 10 and the fitting hole 20 are fitted into the fitting pin 10 and the fitting hole 20 to be integrally closed and the body a is assembled. As a result, the body a becomes in a state where it holds the key 3 as shown in FIG. Therefore, most of the ordinary keys can be interchangeably attached to the body a.

In addition, a small lamp 50 built into the body a
is the push button 6 that turns it on and off and the battery 5
A disk-shaped elastic material 7 made of a synthetic resin interposed as an insulating material between the push button 1 and the push button 6 is expanded due to elasticity, so that it is held in the "off" position, and when the push button 6 is pressed,
The elastic material 7 is compressed as shown in Fig. 10,
The contact terminal part 8 of the terminal plate 53 interposed between the elastic material 7 and the push button 6 contacts the negative side of the battery 51 through the hole 70 of the elastic material 7. , it will turn on and turn on.

As explained above, the key holder with a lamp according to the present invention has a body a, an upper cover 1 and a lower cover 2 which are joined to each other and integrally connected by fitting the fitting pin 10 and the fitting hole 20. The lower cover 2 has a joint surface 2 with the upper cover 1.
a into which the head 30 of the key 3 is fitted.
is formed to a depth approximately corresponding to the thickness of the key 3,
The body 31 of the key 3 that is inserted into the recess 21
A notch 22 for protruding is formed on the front end surface 2b of the lower cover 2, and the fitting recess 2 is formed on both sides of the fitting recess 21 of the joint surface 2a.
A plurality of engagement grooves 23 for fitting both ends of the leaf spring 4 across the upper cover 1 are provided in parallel in the front and back, and the upper cover 1 has a recess 11 with a narrow width on the joint surface 1a side thereof. , a miniature lamp 50, a battery 51, terminal boards 52, 53, etc. are housed therein, and a push button 6 is held in a through hole 12 provided on the upper surface 1c side in communication with the recess 11 so as to be freely retractable. A flexible elastic material 7 made of a synthetic resin material is formed into a thick disk shape between the battery 51 housed in the recess 11, and a hole 70 passes through in the direction of the thickness. A terminal board 53 is interposed between the elastic material 7 and the push button 6, and the terminal board 53 contacts the battery 51 to turn on the circuit of the miniature lamp 50. 53 is provided with a contact terminal portion 8 having a length shorter than the thickness of the elastic material 7, and the contact terminal portion 8 is inserted into the hole 70 of the elastic material 7. Separate body a into lower cover 2 and upper cover 1, and lower cover 2
Fit the head 30 of the key 3 to be assembled into the fitting recess 12 provided on the joint surface 2a of the
0, the plate spring 4 to be selectively attached to the engagement groove 23...
Upper cover 1 that was fixed in place and removed in that state.
are integrally closed to the lower cover 2 by fitting the fitting pins 10 and the fitting holes 20, and the key 3 is assembled and held. 3 can be installed interchangeably.
Further, a spring mechanism for holding the push button 6 of the switch mechanism that turns the circuit of the small lamp 50 "on" and "off" in the off position is located between the terminal board 53 and the battery 51, which are activated by pressing the push button 6. The switch mechanism is simplified by being covered by the elastic material 7 made of synthetic resin interposed as an insulating material,
Makes it easy to assemble.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a key chain with a lamp according to the present invention, Fig. 2 is a plan view of a key attached to the same key chain, Fig. 3 is a plan view of the same key chain with the key assembled, and Fig. 4 is a plan view of the same key chain as above. Fig. 5 is a perspective view of the upper cover of the key holder, Fig. 6 is a plan view of the upper cover of the key holder with the small lamp attached, and Fig. 7 is a perspective view of the upper cover of the key holder. Figure 8 is an exploded perspective view of a miniature lamp etc. that is attached to the key chain, and Figures 9 and 10 are main parts of the key chain to explain its function. FIG. Explanation of drawing symbols, A...Key chain with lamp, a...Body, w, y...Double-sided tape, 1...
...Top cover, 1a...Joint surface, 1b...Front end surface,
1c...Top surface, 10...Fitting pin, 10a...Engagement pin, 11...Recess, 11a...Opening, 12...
Through hole, 2...lower cover, 2a...joint surface, 2b...
... End face, 20 ... Fitting hole, 21 ... Fitting recess, 2
2...Notch, 23...Engagement groove, 3...Key, 3
0... Key head, 31... Key body, 4... Leaf spring, 50... Small lamp, 50a... Inner pole, 50
b... Outer pole, 51... Battery, 52, 53... Terminal board, 52a... Holding piece, 52b... Terminal piece, 53
a... Holding part, 53b... Small protrusion, 53c... Pressing part, 6... Push button, 7... Clothing material, 70... Hole part, 8... Contact terminal part, 9... Transparent plate, 90 ……
engagement hole.

Claims (1)

[Scope of utility model registration request] The body a is divided into an upper cover 1 and a lower cover 2 which are joined to each other and integrally connected by fitting the fitting pins 10 and the fitting holes 20, and the lower cover 2 has the upper cover 2. 1, a fitting recess 21 into which the head 30 of the key 3 is inserted is formed to a depth approximately corresponding to the plate thickness of the key 3, and the fitting recess 2
A notch 22 for protruding the body 31 of the key 3 to be inserted into the lower cover 2 is formed on the front end surface 2b of the lower cover 2, and the above-mentioned insertion recess 2 of the joint surface 2a is formed.
A plurality of engagement grooves 23 into which both ends of the leaf spring 4 that cross the fitting recess 21 are fitted into both side parts of the plate spring 1...
are arranged in parallel in the front and back, and the upper cover 1 has a miniature lamp 50, a battery 51, and terminal boards 52, 5 in a narrow recess 11 provided on the joint surface 1a side thereof.
3, etc., and a push button 6 is held in a through hole 12 provided on the upper surface 1c side in communication with the recess 11 so as to be freely retractable, and the push button 6 and the battery 51 housed in the recess 11 are connected to each other. In between, an expandable elastic material 7 made of synthetic resin is formed into a thick disk shape, and a hole 70 that penetrates in the direction of the thickness is provided between the elastic material 7 and the elastic material 7. The small lamp 50 is in contact with the battery 51 between the push button 6 and the push button 6.
A terminal plate 53 that turns on the circuit is interposed, and a contact terminal portion 8 having a length shorter than the thickness of the aforementioned elastic material 7 is provided protruding from the terminal plate 53, and the aforementioned elastic material of the contact terminal portion 8 is provided. A key chain with a lamp, characterized in that it is fitted into a hole 70 of No.7.