JP2002013952A - Instrument device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an instrument device allowing a storage space to communicate with the outside, preventing the release of a housing from a storage member, and preventing the blur of the housing. SOLUTION: This instrument device is provided with the housing 1 storing a measured quantity display device 2, the bottomed storage member 14 storing the housing 1 and having an opening 15, and an airtight member 16 provided on the opening 15 and made of an elastic member to keep the storage space 17 formed with the housing 1 and the storage member 14 at an airtight state. A ventilation path 23 connected to the storage space 17 is formed with a case 3 constituting part of the housing 1 and an end leaf 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an instrument device,
In particular, the present invention relates to an instrument device having a ventilation structure.

[0002]

2. Description of the Related Art A conventional instrument device is applied to a vehicle such as a motorcycle, and there is one shown in FIG. In the conventional instrument device, a measured amount display device 2 is housed in a housing 1. The housing 1 is a substantially cylindrical cup-shaped case 3 made of a synthetic resin, a first cover 4 made of a transparent synthetic resin that covers an opening of the case 3, and a further front surface of the cover 4 (upper side in FIG. 6). A second cover 5 made of a transparent synthetic resin, and a metal facing 6. The first and second covers 4 and 5 are provided with first and second support frames 7 and 8 around each of them. It is fixed across the two support frames 7 and 8. The measurement amount display device 2 includes an instrument body 9 such as a stepping motor, and the instrument body 9.
And a pointer 10 connected to a rotating shaft (not shown), a dial plate 11 positioned between the instrument main body 9 and the pointer 10 and having an index portion such as a character or a scale on the surface thereof, and an instrument fixed to the instrument main body 9. And a circuit board 12 made of an insulating member such as a glass epoxy resin for supplying an electric signal to the main body 9.
The measurement table display device 2 is fixed to the case 3 by screws 13.

The housing 1 has a case 3 partially housed in a cup-shaped housing member 14 having a metal-made cylindrical shape and having a bottom. From the opening 15 of the storage member 14, the upper side of the facing 6 of the housing 1 is exposed. An air-tight member 16 made of an elastic member such as rubber is provided around the opening 15 to make a storage space 17 formed by the housing 1 and the storage member 14 airtight.

A through hole 18 provided in the case 3 connects the space inside the housing 1 with the storage space 17.
The storage member 14 also serves as a part of the fuel tank of the motorcycle, and a stay 20 to which the liquid level detection device 19 is fixed is provided on the bottom surface of the storage member 14. Liquid level detector 19
The circuit board 12 is electrically connected to the circuit board 12 via a storage member 14, and the storage member 14 is sealed so that fuel does not leak from the storage member 14. The circuit board 9 and an external circuit such as a power supply (not shown) are electrically connected by wiring (not shown), and the wiring penetrates the airtight member 16 and is connected to the external circuit. Of course, the airtightness of the wiring portion is also ensured so that moisture or the like does not enter the storage space 17 through the wiring. The fuel tank has a double structure, and includes an exterior part 26 having an opening 25 exposing the upper side of the dial 6. This exterior part 26 is also made of metal.

[0005]

In the conventional instrument device, the storage member 14 is made of metal, and the storage member 14 constitutes a part of the fuel tank. Since the meter device itself is exposed to conditions such as rain, the airtightness of the storage space 17 is ensured so that moisture does not enter the storage space 17 and the storage member 14 is corroded. However, if the airtightness of the storage space 17 is ensured, the expansion of the gas in the storage space 17 causes
May fall out of the storage member 14. In particular, the fuel tank of a motorcycle is not only directly exposed to the sunshine but also provided adjacent to the engine, so that the temperature rises sharply and the fuel tank is easily affected by the heat from the fuel tank. In order to suppress the occurrence of such inconveniences, the housing 1 has been more securely stored and fixed in the storage member 14.

However, in this case, since the storage space 17 is not in communication with the outside, the moisture remaining in the storage space 17 (including the space connected to the housing 1 through the through hole 18) is removed by the first space of the housing 1. Condensation on the cover 4 and the like, the first cover 4 may be clouded, and the merchantability of the instrument device may be reduced.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned conventional problems. An object of the present invention is to provide communication between a storage space and the outside to prevent the housing from being detached from a storage member and to prevent the housing from falling out. An object of the present invention is to provide an instrument device for preventing fogging.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a housing accommodating a measurement amount display device, a bottomed storage member having an opening for accommodating the housing, and a housing member provided in the opening. And an airtight member made of an elastic member for sealing the storage space formed by the housing and the storage member in an airtight state, and a ventilation path connected to the storage space is formed in the housing.

A housing accommodating the measurement amount display device, a bottomed storage member having an opening for accommodating the housing, a storage provided in the opening and formed by the housing and the storage member An air-tight member made of an elastic member that makes the space air-tight. An air passage connected to the storage space is formed in the air-tight member.

Further, a waterproof gas permeable membrane is provided in the air passage.

In addition, a hard penetrating member having a through hole is provided in the air passage of the airtight member, and the gas permeable membrane is provided in the through hole.

The housing is a part of a motorcycle fuel tank.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An instrument device according to the present invention comprises a housing 1 containing a measured quantity display device 2, a bottomed storage member 14 having an opening 15 for housing the housing 1, and an opening 1;
5 provided with an air-tight member 16 made of an elastic member for sealing the storage space 17 formed by the housing 1 and the storage member 14 with the housing 1 and the storage member 14, and a ventilation path 23 connected to the storage space 17 is formed in the housing 1. It is. With this configuration, the housing 1 and the storage member 1
4 can provide ventilation, and can provide an instrument device that can prevent the housing 1 from falling off.

The housing 1 containing the measurement amount display device 2, a bottomed storage member 14 having an opening 15 for housing the housing 1, and the housing 1 and the storage member 14 provided in the opening 15. Storage space 1 to be formed
An airtight member 16 made of an elastic member that makes the airtight member 7 airtight is provided, and ventilation paths 27 and 28 connected to the storage space 17 are formed in the airtight member 16. With this configuration, the storage space 17 formed by the housing 1 and the storage member 14 can be ventilated, and an instrument device that can prevent the housing 1 from falling off can be provided.

Further, a waterproof ventilation film 24 is provided in the ventilation paths 23 and 27. With this configuration, it is possible to perform ventilation while preventing water from entering the storage space 17 formed by the housing 1 and the storage member 14, and to prevent the housing 1 from falling out. Can be provided.

Further, a hard penetrating member 29 having a through hole 28 is provided in the air passage 27 of the airtight member 16, and a gas permeable film 24 is provided in the through hole 28. With such a configuration, it is possible to provide an instrument device in which the gas permeable membrane 24 can be easily attached to the airtight member 16 and can be securely attached.

The storage member 14 is a part of the motorcycle fuel tank. With this configuration, it is possible to provide an instrument device that can prevent the housing 1 from falling off even if the storage member 14 forms a part of a fuel tank in which the temperature changes rapidly.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An example in which the first embodiment of the present invention is applied to a motorcycle will be described with reference to FIGS. In addition,
The same and corresponding parts as those in the conventional example are denoted by the same reference numerals, and detailed description thereof will be omitted.

In the instrument device of this embodiment, a concave portion 21 extending in the lateral direction is formed on the opening side of the case 3 on the surface in contact with the first and second support frames 7 and 8, and the case 3 is formed of the first and second cases. The through holes 21 are formed by being assembled with the two support frames 7 and 8. In the facing 6, a through hole 22 is formed at a portion corresponding to the hole 21, and the hole 21 and the through hole 22 form a ventilation path 23, and communicate the inside of the housing 1 with the outside. The housing 1 and the storage space 17 communicate with each other through a through hole 18 provided in the case 3, and the storage space 17 communicates with the outside through the ventilation path 23.

With such a configuration, the storage space 17 can be ventilated, the housing 1 can be prevented from coming off, and clouding in the housing 1 can be prevented.

A waterproof gas-permeable membrane 24 made of, for example, a porous film of polytetrafluoroethylene, which allows air to pass through but does not allow water to pass through, is attached to the through hole 22 of the dial 6. By providing the ventilation film 24, ventilation can be performed while preventing intrusion of water into the storage space 17.

With this configuration, even if the storage member forms a part of the fuel tank in which the temperature changes rapidly, the housing 1 can be prevented from coming off.
The storage space 1 can be ventilated.

Since the gas permeable membrane 24 is exposed to the outside of the facing 6, the appearance is not shown, but not shown, but the facing 6 inside the facing 6, the case 3, and the second support frame 8 are not shown. May be provided between them.

Next, a second embodiment of the present invention will be described with reference to FIGS. The same or corresponding parts as those in the first embodiment and the conventional example are denoted by the same reference numerals, and detailed description thereof will be omitted.

A through hole 27 is formed in the airtight member 16 for communicating the storage space 17 with the outside. The hole 27 forms a part of a ventilation path. In the case of the present embodiment, two holes 27 are provided in the airtight member 16. Each of the holes 27 is provided with a rigid penetrating member 29 having a cylindrical portion provided with a through hole 28 and a flange portion 30 at one end thereof, and this penetrating member 29 is not easily detached from the airtight member 16. And the airtight member 16 has a penetrating member 29
A stopper portion 31 for suppressing the flange portion 30 is provided.
The through hole 28 is also a part of the ventilation path, and communicates with the hole 27 so as not to hinder the communication between the storage space 17 and the outside.

A gas permeable membrane 24 is attached to the penetrating member 29 on the side where the flange 30 is provided so that water does not enter the hole 27 and the storage space 17 through the through hole 28. By providing this penetrating member 29, the gas permeable membrane 2
4 can be easily provided. This is because the air-permeable member 24 should be provided directly on the airtight member 16, but since the air-tight member 16 is an elastic member, there is a possibility that the air-permeable member 24 is easily deformed and the air-permeable film 24 comes off. Therefore, by using the hard penetrating member 29, the gas permeable membrane 2 is formed.
4 can be easily attached, and the effect of being difficult to peel off can be obtained.

With the above-described configuration, the storage space 17 can be ventilated, the housing 1 can be prevented from coming off, and the fogging inside the housing 1 can be prevented. Also, in this embodiment, as in the previous embodiment, the ventilation film 24 is provided, so that ventilation can be performed while preventing water from entering the storage space 17.

Further, in this embodiment, the ventilation hole is provided in the airtight member 16 which is covered and concealed by the exterior part 26, so that the appearance of the instrument device due to the provision of the ventilation hole is not deteriorated, and the merchantability is impaired. No.

With this configuration, even if the storage member constitutes a part of the fuel tank where the temperature changes rapidly, the housing 1 can be prevented from coming off.
The storage space 1 can be ventilated.

In each of the above embodiments, the measurement amount display device 2 housed in the housing 1 is an indicating instrument provided with the hands 10, but is not limited to each of the above embodiments. A measurement amount display device using an element may be used.

[0031]

As described above, according to the present invention, the initial object can be achieved, the instrument space for communicating the storage space with the outside, preventing the housing from falling out of the storage member, and preventing the housing from fogging. Can be provided.

[Brief description of the drawings]

FIG. 1 is a sectional view of a first embodiment of the present invention.

FIG. 2 is a sectional view of a main part of the embodiment.

FIG. 3 is a partially cutaway perspective view of a second embodiment of the present invention.

FIG. 4 is a sectional view of the embodiment.

FIG. 5 is a sectional view of a main part of the embodiment.

FIG. 6 is a sectional view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 2 Measurement amount display apparatus 14 Storage member 15 Opening 16 Airtight member 17 Storage space 21 Concave part (hole) 23 Vent path 24 Vent membrane 27 Hole (Vent path) 28 Through hole (Vent path) 29 Penetrating member

Claims (5)

[Claims] 1. A housing containing a measurement amount display device, a bottomed storage member having an opening for housing the housing, and a storage provided in the opening and formed by the housing and the storage member. An instrument device comprising: an airtight member made of an elastic member that makes a space airtight; and an air passage connected to the storage space is formed in the housing. 2. A housing containing a measurement amount display device, a bottomed storage member provided with an opening for storing the housing, and a storage provided in the opening and formed by the housing and the storage member. An instrument device comprising: an air-tight member made of an elastic member that makes a space air-tight; and an air passage connected to the storage space is formed in the air-tight member. 3. The instrument device according to claim 1, wherein a waterproof gas-permeable membrane is provided in the air passage. 4. The instrument device according to claim 3, wherein a hard penetrating member having a through hole is provided in the air passage of the airtight member, and the gas permeable membrane is provided in the through hole. 5. The instrument device according to claim 1, wherein the storage member is a part of a fuel tank for a motorcycle.