JPH0631787Y2 - Portable wireless transmitter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a pendant type wireless transmitter.

[Prior Art] This type of wireless transmitter uses a weak radio wave when an elderly person who needs nursing walks around himself or when a sick person moves away from the nurse and carries it around his neck, and when an emergency occurs. To notify the emergency signal.

FIG. 5 shows an external structure of the cover portion of such a pendant type wireless transmitter. The neck strap 103 is pulled out from the upper end surface portion of the transmitter main body 101 provided with the operation push button switches 102, 102. The structure is such that the neck strap 103 is hung on the neck and carried around.

However, in such a transmitter, when fixing the neck strap, as shown in FIGS. 6 (a) and 6 (b), a notch 104a formed in the upper end surface of the cover 104 of the transmitter main body 100. The fixing metal fitting 105 having the pair of neck cord insertion holes 105a and 105a is fixed by the screw 107, and the neck cord insertion hole 105 formed in the fixing metal fitting 105 is fixed.
The neck strap 1 which is protruded by inserting both ends of the neck strap 103 from a
A method is employed in which the press-fitting pins 106 and 106 are penetrated at the tip of 03 to prevent the pin from coming off and fixing. For this reason, such a conventional necklace fixing method requires a large number of parts such as a fixing metal fitting, a press-fitting pin, and a screw, and there is a problem that workability is particularly poor when assembling the press-fitting pin.

Further, since such a wireless transmitter is used by skipping weak radio waves, it is desirable that the inside of the transmitter has a structure that cannot be disassembled except when the battery is replaced,
From this viewpoint, it is desired that the structure is simple and the disassembling method is difficult to understand.

[Problems to be Solved by the Invention] The present invention has been made in view of the above circumstances, and a first object thereof is to provide a pendant-type wireless transmitter having a simple structure for fixing a neck strap. The second object is to provide a pendant type wireless transmitter having a two-piece structure having such a neck strap fixing structure.

[Means for Solving the Problem] A first invention proposed to achieve the first object is described in claim 1, and its gist is to provide a transmitter provided with an operation switch. A portable wireless transmitter having a structure in which a pair of necklace insertion holes are formed in an upper end surface portion of a cover portion, and both ends of the necklace inserted through the necklace insertion holes are fixed by press-fitting fixing metal fittings. The press-fitting fixture has a pair of darma holes formed by extending a pinching hole part above each of the pair of neck string insertion hole parts through which both ends of the neck string are inserted, and below the pair of darma hole parts. A pair of cut-and-raised pieces are provided so as to correspond to each other, and a guide groove portion into which both ends of the press-fitting fixing fitting are fitted is provided inside the upper end surface portion of the cover portion.
When the press-fitting fixing metal fitting is fitted into the guide groove portion, there is formed a structure in which a locking portion for locking the neck cord insertion hole portion of the pair of darma holes of the press-fitting fixing metal fitting is formed.

A second aspect of the present invention proposed to achieve the second object is described in claim 2. This invention is the same as the configuration described in claim 1 above. It has a two-piece structure composed of the cover portion and a base portion coupled to the cover portion, and in the cover portion, a pair of necklace insertion holes and a projecting piece having a screw insertion hole formed in the middle thereof. , A plurality of engaging portions are provided, and a pair of pinching hole portions are provided inwardly of the projecting piece above the pair of necklace insertion hole portions through which both ends of the necklace are inserted. Dharma holes are formed, screw holes are formed in the middle of these neck cord insertion hole portions, and both ends of a fixing bracket formed by correspondingly forming a pair of cut and raised pieces under the pair of dharma holes are fitted. The guide groove part to be locked and the neck cord insertion hole part of the pair of darma holes of the press-fitting fixing bracket are locked. The other base part has a screw hole for inserting a screw to lock the screw head, and the inside of the protrusion of the cover part is overlapped. It has a structure in which a corresponding projection piece and an engagement portion corresponding to the engagement portion on the cover portion side are provided, and the projection portion of the cover portion and the projection portion of the base portion are provided. Are overlapped with each other, and the engaging portion of the cover portion is mutually engaged with the engaging portion of the base portion, and then a screw is inserted through the screw insertion hole of the cover portion. By fixing the projecting piece to the fixing member fixed to the cover part, the cover part and the base part are integrally coupled.

In the wireless transmitter described in claim 3, a wireless transmitter having a two-piece structure using a thin fixing bracket can be configured. A difficult wireless transmitter can be provided.

[Operation] According to the first aspect of the present invention, the fixing bracket having the pair of Dharma holes is inserted into the guide groove formed in the upper end surface of the cover of the transmitter, and the neck cord is covered as it is. Insert it through the necklace insertion hole of the part so that it protrudes into the necklace insertion hole of the fixing metal fitting, and then press the fixing metal fitting into the guide groove to the end, both sides of the necklace inserted in the necklace insertion hole The tip moves to the pinching hole and is pinched and fixed. At this time, the engaging part formed on the cover part side is locked in the neck string insertion hole, and the locking of the fixing metal fitting is also prevented.

Further, since the cut-and-raised piece is formed at the lower end of the fixing metal fitting, it is prevented from being caught when the fixing metal fitting is fitted into the guide groove, and the fixing metal fitting is smoothly performed.

On the other hand, according to the second aspect of the present invention, in addition to the operation of the first aspect of the invention described above, the projecting piece of the cover part and the projecting piece of the base part are made to overlap with each other so that the engaging parts of both are matched. After that, insert a screw from the screw hole of the projecting piece of the cover part, and screw the projecting piece of the base part to the fixing bracket fixed to the cover part side,
The base part and cover part are fixed, and the screws are hidden inside the protruding part of the cover part so that they cannot be seen from the outside.The appearance is also sleek, and the user may inadvertently disassemble the product. Also reduce.

[Embodiment] An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 shows the main structure of the first invention of the present invention.
Is a cover of the transmitter A, and 2 is a fixture.

The cover portion 1 is formed in a boat shape with one side opened, and notches 1a, 1a into which push-button type operation switches are incorporated are formed at both ends of a central portion thereof. Also,
Three engaging claws 1b and two small projections 1c are formed on the peripheral edge of the opening of the cover portion 1 in order to enable connection with a base portion described later. In this embodiment, the three engaging claws 1b and the two small protrusions 1c form the engaging portion of the cover portion.

And, in the upper end surface portion of the cover portion 1 having such a structure,
A pair of necklace insertion holes 1d, 1d for inserting the necklace are formed, and a pair of guide grooves 1e, 1e into which the fixing metal fitting 2 is fitted, and these guide grooves 1 are formed inside the upper end surface portion.
e, 1e are formed with tapered surfaces 1j, 1j for sandwiching and fixing the fixing metal fitting 2 fitted therein, and engaging step portions 1k, 1 are formed at the ends thereof.
A pair of small protrusions 1f, 1f having k and a small protrusion 1g protruding from the bottom surface of the cover portion 1 are formed.

One of the fixing fittings 2 has a bent portion 2a formed at the upper end to facilitate press fitting into the cover portion 1, and also has a pair of dharma holes 2 corresponding to the neck cord insertion holes 1d of the cover portion 1 described above.
b and 2b are formed, and the dharma hole 2b extends above the neck cord insertion hole portion 2c, and the pinching hole portion 2d having a smaller opening than the neck cord insertion hole portion 2c is extended. The structure is such that the neck cord inserted through the neck cord insertion hole portion 2c can be sandwiched and fixed. Further, a pair of cut-and-raised pieces 2e, 2e are provided below the pair of duller holes 2b, and the fixing metal fitting 2 is attached to the guide groove 1
The small protrusions 1f and 1f are prevented from being caught when they are press-fitted into the e and 1e.

When the neck strap is attached to the cover portion 1 having such a structure by the fixing metal fitting 2, as shown in FIG. 2 (a),
First, the fixing metal fitting 2 is fitted part way along the guide groove 1e of the cover 1, and the neck cord inserting hole 1d of the cover 1 and the neck cord inserting hole 2c of the fixing metal 2 are aligned with each other.

Then, the neck strap insertion hole 2c of the fixing member 2 is inserted through the neck strap insertion hole 1d of the cover portion 1 until both ends of the neck strap 4 are appropriately projected, and then, as shown in FIG. 2 (b). Then, the fixing member 2 is pushed along the guide groove 1e to the end.

With this configuration, the neck cord insertion hole 1d of the cover part 1 and the pinching hole part 2d of the fixing metal fitting 2 are aligned with each other, so that the necklace 4 naturally moves to the pinching hole part 2d and is pinched. At the same time, the fixing metal fittings 2 fitted in the guide grooves 1e, 1e are fixed by the small protrusions 1g provided on the bottom surface of the cover portion 1, and the step portions 1k, 1k of the small protrusions 1f, 1f are attached to the mounting metal fittings 2. It is locked in the neck string insertion holes 2c, 2c.

In this embodiment, the small protrusions 1f, 1f are formed with tapered surfaces 1j, 1j that gradually increase in height downward to facilitate the press-fitting operation of the press-fitting fixture 2.

Therefore, this structure does not require many members such as press-fitting pins and screws, and the neck strap can be easily attached and fixed.

Next, FIG. 3 shows the structure of the main part of the second aspect of the present invention, in which 1 is a cover part, 3 is a base part to which the cover part 1 is connected, and this base part 3 is the cover part. Similar to 1,
It is formed in a boat shape with one side opened, and notches 3d, 3d into which push-button type operation switches are incorporated are formed at both ends of the central portion thereof. In the present invention, the neck strap 4
The mounting and fixing structure of (1) is omitted because it is the same as in the first aspect of the present invention, and the same parts are given the same numbers.

Also, in the present invention, a screw insertion hole 1i for inserting the screw 5 into the snap ring is formed in the middle of the pair of necklace insertion holes 1d, 1d of the protrusion 1h provided on the cover part 1, and the inside of the upper end surface part is formed. Since the screw hole 2f formed by the counter sink is formed in the middle of the pair of neck string insertion hole portions 2c, 2c formed in the fixing metal fitting 2 fixed to one side, thin fixing metal fittings can also be used. 3). Further, at the corresponding location of the other base portion 3, there is formed a protruding piece 3a adapted to overlap with the inside of the protruding piece 1h of the cover portion 1. This protruding piece 3a
Has a screw hole 3b corresponding to the screw insertion hole 1i of the projecting piece 1h of the cover portion 1. This screw hole 3b is formed.
The head portion such as a countersunk screw is engaged with, and an engaging concave portion 3c that engages with the engaging claw 1b of the cover portion 1 is engaged around the opening of the one base portion 3. Correspondingly provided as a part.

When assembling the base portion 3 and the cover portion 1 having such a structure, as shown in the cross-sectional view of FIG. 4, the protrusion piece 1h of the cover portion 1 and the protrusion piece 3a of the base portion 3 are overlapped with each other. After engaging the engaging claws 1b of the cover portion 1 with the engaging concave portions 3c of the base portion 3, the screw insertion hole 1i of the cover portion 1 is formed.
The screw 5 is inserted into the screw hole 3b of the projecting piece 3a of the base portion 3, and the screw 5 is fixed to the cover portion 1 by the fixing metal fitting 2
The base portion 3 and the cover portion 1 are fixed by being screwed into the screw holes 2f.

In such a structure of the present invention, the cover portion 1 and the base portion 3 are
Can be easily fixed with one screw, and as shown in FIG. 4, the head portion 5a of the screw 5 is completely submerged in the screw insertion hole 1i formed in the projecting piece 1h of the cover portion 1. Becomes smarter.

Further, the screw 5 is inserted through the screw insertion hole 1i of the projecting piece 1h of the cover portion 1.
After the insertion of the screw, the screw insertion hole 1i can be sealed with a cylindrical rubber packing or the like so that the screw cannot be seen from the outside, so that the user is less likely to inadvertently disassemble (claim). Item 4).

[Advantages of the Invention] In the first invention, since the neck strap can be easily attached only by press-fitting the fixing metal fitting into the cover portion, it is possible to provide a portable wireless transmitter having a simple structure and easy to manufacture. .

According to the second aspect of the present invention, in addition to the effect described in claim 1, the cover portion and the base portion can be fixed with a single screw, and the screws can be invisible.
It is possible to provide a portable wireless transmitter that has a smart appearance and is less likely to be disassembled by the user carelessly.

According to the third aspect of the invention, the fixed fitting can be formed of a thin metal plate, and according to the fourth aspect of the invention, the two pieces that are difficult to disassemble because the coupling means cannot be seen from the outside. A portable wireless transmitter of structure is obtained.

[Brief description of drawings]

FIG. 1 is a perspective view showing a main structure of the first invention, and FIGS. 2 (a) and 2 (b) are explanatory views for attaching and fixing the neck strap.
FIG. 3 is an exploded perspective view showing a main part structure of the second invention,
FIG. 4 is a sectional view showing its assembled state, FIG. 5 is an external view of a pendant type emergency transmitter, and FIGS. 6 (a) and 6 (b) are explanatory views for attaching and fixing a conventional neck strap. is there. [Explanation of Codes] 1 ... Cover part 1b ... Engaging claw (engaging part) 1d ... Neck cord insertion hole 1e ... Guide groove part 1f ... Small ridge 1h ... Projection piece 1i ... Screw insertion hole 2 ... Fixing metal fitting 2b ... Dharma hole 2c ... Neck cord insertion hole 2d ... Clamping hole 2e ... Cut-and-raise piece 3 ... Base part 3a ... Projection piece 3b ... Screw stop hole 3c .... Engagement part 4 ... Neck strap

Claims (4)

[Scope of utility model registration request] 1. A pair of necklace insertion holes are formed in an upper end surface of a cover portion of a transmitter provided with an operation switch, and both ends of the necklace inserted through the necklace insertion holes are fixed by press-fitting fixing metal fittings. A portable wireless transmitter having a structure, wherein the press-fitting fixture is a pair of Dharma holes having a pinching hole extending above each of a pair of necklace insertion holes through which both ends of the necklace are inserted. And a pair of cut-and-raised pieces are provided below the pair of darma holes, and inside the upper end surface portion of the cover portion, guide groove portions into which both ends of the press-fitting fixture are fitted, A portable wireless transmitter having a structure in which, when the press-fitting fixing metal fitting is fitted into the guide groove portion, a locking portion for locking the neck cord insertion hole portion of the pair of darma holes of the press-fitting fixing metal fitting is formed. 2. A pair of necklace insertion holes are formed in an upper end surface of a cover portion of a transmitter provided with an operation switch, and both ends of the necklace inserted through the necklace insertion holes are fixed by press-fitting fixing metal fittings. In the portable wireless transmitter having the structure described above, the transmitter main body has a two-piece structure including the cover portion and a base portion coupled to the cover portion. , A pair of necklace insertion holes, a projecting piece having a screw insertion hole formed in the middle thereof, and a plurality of engaging portions are provided, and a pair of both ends of the necklace are inserted inside the projecting piece. A pair of dharma holes having pinching hole portions extending above each of the neck cord insertion hole portions are formed, and a screw hole is formed in the middle of these neck cord insertion hole portions, and Fit both ends of the fixing bracket formed by making a pair of cut-and-raised pieces correspond to each other below It has a structure in which a guide groove portion to be locked and a locking portion to be locked to the neck cord insertion hole portion of the pair of darma holes of the press-fitting fixing metal fitting are formed, and a screw is inserted into the other base portion. A projecting piece having a screw hole for locking the screw head and adapted to overlap with the inside of the projecting piece of the cover section, and an engaging section corresponding to the engaging section on the cover section side. And a structure in which the projecting piece of the cover part and the projecting piece of the base part are overlapped with each other, and the engaging part of the cover part is mutually engaged with the engaging part of the base part, By inserting a screw from the screw insertion hole of the cover part and fixing the projecting piece of the base part to the fixing bracket fixed inside the cover part by this screw, the cover part and the base part are separated from each other. A portable wireless transmitter that is designed to be integrated together. 3. The portable wireless transmitter according to claim 2, wherein the screw hole of the press-fitting fixing bracket is formed by partially forming the fixing bracket by a counter sink. 4. The portable wireless transmitter according to claim 2, wherein a screw insertion hole formed in the projecting piece of the cover portion is filled with a packing material having the same color as the main body portion.