JPH0524126Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a storage battery filler tap suitable for electric vehicles and the like.

[Conventional technology]

This kind of conventional water supply faucet is made by polymerizing and bonding a synthetic resin float substrate to the upper surface of a cylindrical buoyant body made of a foam material.

[The problem that the idea aims to solve]

The above-mentioned conventional rehydration tap has the disadvantage that during use, the adhesive that binds the buoyancy body and the float substrate is dissolved by the electrolyte, reducing the adhesive strength and causing separation between the buoyancy body and the float. Ta.

[Means to solve the problem]

The present invention solves the above-mentioned conventional disadvantages and provides a storage battery hydrant that can be used stably over a long period of time. The lower arm with the pointed end of the U-shaped connecting member is inserted into the buoyant body, while the upper arm is pressed against the upper surface of the periphery of the base plate of the float.

[Effect]

During use, the storage battery filler tap of the present invention has a U-shaped shape between the two members, even if the adhesive that binds the buoyancy body and the float board is dissolved by the electrolyte and the binding strength is reduced. The connecting member straddles the buoyant body, and the lower arm inserted into the buoyant body and the upper arm that is crimped onto the top surface of the float substrate sandwich the joint surface between the buoyant body and the float substrate from above and below, so that both members connection and fixation is always ensured. In the refill faucet of the present invention, a channel-shaped groove that is open to the top and side surfaces and extends in the vertical direction is formed on the peripheral side surface of the integrated body of the buoyancy body and the substrate of the float, and the channel-shaped groove is formed in the channel-shaped groove that extends in the vertical direction. When inserting the vertical rod, the U-shaped connecting member can be attached without increasing the diameter of the polymer. In addition, if the lower arm of the U-shaped connecting part is formed into a fixed part with a sharp tip such as an arrowhead shape and a protrusion to prevent it from coming off at the rear,
The lower arm can be easily inserted into the foam, and once inserted, it will not come out. In addition, when the upper surface of the float substrate and the upper arm that is crimped thereon are bonded to each other by adhesive, heat fusion, etc., it is possible to further ensure that the U-shaped connecting member is firmly attached to the polymer. . Furthermore, if a plurality of the U-shaped connecting members are prepared and arranged on the peripheral surface of the polymer in symmetrical positions with respect to the central axis, a well-balanced, uniform, and even more stable and robust water supply faucet can be constructed. be done.

〔Example〕

Next, embodiments of the present invention will be described based on the accompanying drawings.

In the drawing, 1 indicates a flexible and lightweight cylindrical buoyant body made of a synthetic resin foam, and 2 indicates a float made of a hard resin such as AS resin.
, a central axis 2a with a liquid level indicator (red) 3 at the top, and a circular horizontal board with the same diameter as the cylindrical buoyancy body 1 and a fan-shaped cutout at the lower end of the central axis 2a. 2b. The central shaft 2a is provided with a water stop rod 5 which extends vertically upward from a horizontal arm 4 extending laterally and has a water stop valve 5a at its top. The buoyant body 1 has a channel-shaped space 6 extending vertically on one side of its circumference and having an arc-shaped cross section for accommodating a liquid temperature and specific gravity measuring device. The lid plate 2a of the float 2 is provided with a circular through hole 7 that aligns with the space 6 when superimposed on the upper surface of the buoyant body 1. The float 2 is superposed on the upper surface of the buoyancy body 1 with its substrate 2a, and the substrate 2a and the buoyancy body 1 are bonded together.
A polymer 9 is formed by bonding the upper surfaces of the polymer 9 and the polymer 9 together with an adhesive 8 such as styrene monomer. This polymer 9 is no substitute for conventional water filler taps for storage batteries. According to the present invention, by attaching at least one of the specially prepared and prepared U-shaped connecting members 10 to the integral body 9 as described below, the storage battery supplementary tap P of the present invention is installed. configured. That is, the U-shaped connecting member 10 is made of a hard synthetic resin molded body, and includes a vertical rod 10a, an upper arm 10b that projects horizontally from its upper end to one side, and a lower arm that projects horizontally from its lower end to one side. 10c, and the lower arm 10c is formed into a pointed end 10d suitable for piercing.

In this way, the U-shaped connecting member 10 is changed from the state shown in FIG. 1 to the state shown in FIG. 2, in which the lower arm 10c and the upper arm 10b are pressed against the upper surface of the periphery of the substrate 2b, which is bonded to the upper surface thereof. Attach. In such a case, the one-piece polymer 9 is composed of the buoyant body 1 and the float 2.
It is integrally bonded to the substrate 2b by adhesive 8, and both members 1 and 2b are sandwiched and connected from above and below by the upper arm 10a and lower arm 10c of the U-shaped connecting member 10. The integrity of the polymer 9 between the buoyancy body 1 and the float 2 is guaranteed. in this case,
Lower arm 10 of the U-shaped connecting member 10 once inserted
In order to prevent the lower arm 10c from slipping out, it is preferable that the tip of the lower arm 10c be shaped like an arrowhead, for example, as shown in the figure. That is, it is preferable to form the distal end portion into a locking bulge 10e, such as a hook shape, to prevent slippage.

Furthermore, if necessary, the upper arm 10b of the U-shaped connecting member 10 is pressed against the upper surface of the substrate 10.
It is preferable that they be fixed to each other by a binding means 11 such as adhesive or heat fusion to prevent their separation.

Furthermore, when the U-shaped connecting member 10 of the present invention is attached to the monolithic body 9, it is preferable that it not protrude outward from the peripheral surface of the polymeric body 9. In view of this, according to the present invention, as clearly shown in FIG. A matching groove 12 is formed, and the groove 1
2, so that the vertical rod 10a of the U-shaped connecting member 10 is fitted into the member 2 so that the vertical rod 10a does not protrude outward from the circumferential surface of the polymer 9, and is attached to the polymer 9 as described above. I made it. In this case, as clearly shown in FIGS. 2 and 3, it is preferable that the outer surface of the vertical rod 10a be flush with the circumferential surface of the polymer 9.

Further, according to the present invention, such a U-shaped connecting member 1
It is common and preferable to attach a plurality of zeros to the polymer 9 at equal positions, and in the example shown in the second figure, two of them are attached to the peripheral surface of the polymer 9 with their central axis aligned. They are arranged symmetrically on the left and right. Thus, the float substrate 2b and the buoyant body 1
Even continuous fixation can be obtained over the entire circumference.

As shown in FIGS. 2 and 4, the filler valve of the present invention has its float center shaft 2a inserted vertically movably through the center of the lower surface of the liquid spout body 13 provided at the liquid spout on the top surface of the cell chamber of the storage battery. At the same time, the water stop rod 5 on the side is connected to the hollow guide tube 14 on the lower surface of the liquid spout body 13.
A water stop valve 5a is inserted and accommodated from below into the water stop valve 5a at the top of the water stop valve 5a.
A water replenishment port 15 on the top surface of the hollow guide tube 14 is installed so that the valve can be closed freely, and water can be supplied from the outside through the through hole 7 of the cover plate 2b into the channel-shaped space 6 formed in the buoyancy body 1 as needed. , insert a thermometer and hydrometer to measure the electrolyte temperature and specific gravity, while the storage battery is in use.
When the electrolyte decreases, the refill valve of the present invention lowers, the refill port 15 is opened, and the cover plate 16 is opened to replenish water, and the electrolyte rises and reaches a predetermined electrolyte level. At this time, the water replenishment port 15 was closed by the water stop valve 5a. In the illustrated case, a common transparent water tank 17 is built into each plug body 13 in order to configure a plurality of water tank of the present invention arranged in each cell chamber of a storage battery into a collective water tank. Give an example. In the drawing, 18 is a pressure reducing valve, 19 is a water seal, and 20 is a packing.

[Effect of idea]

In the storage battery filler tap according to the present invention, the substrate of the float and the upper surface of the buoyant body are bonded to each other with adhesive, and the U-shaped connecting member is inserted into the buoyant body with its lower arm, while the upper Since the arms are crimped onto the top surface of the periphery of the board and the U-shaped connecting member connects and fixes the float board and the buoyant body, even if the adhesive force between the board and the buoyant body decreases, it will not work like the conventional method. It is possible to provide a water supply faucet that is stable, robust, and has an extended service life because there is no separation from each other. In order to prevent the floating board from being removed from the body, the U-shaped connecting member can be attached to the polymer with high reliability. When bonded with a similar material, a more stable and robust water supply faucet can be obtained. Furthermore, when a plurality of the U-shaped connecting members are arranged at equal intervals around the periphery of the polymer, a well-balanced water supply faucet can be obtained.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of the main parts of a hydrant according to an embodiment of the present invention, FIG. 2 is a side view of the hydrant in use, and FIG. 3 is a sectional view of the main parts. FIG. 4 shows a sectional view taken along the line -- in FIG. 2. 1... Buoyant body, 2... Float, 2a... Central axis, 2
b... Substrate, 8... Adhesive, 9... Polymer, 10... U-shaped connecting portion, 10a... Vertical rod, 10b... Upper arm, 10
c...lower arm, 10d...tip, 10e...locking bulge, 11...binding means, P...present invention refill valve.

Claims (1)

[Claims for Utility Model Registration] 1. In a rechargeable battery faucet made by polymerizing and adhering a float substrate to the upper surface of a buoyant body, the lower arm with the pointed end of the U-shaped connecting member is inserted into the buoyant body; A water supply tap for a storage battery, whose upper arm is crimped to the top surface of the periphery of the base plate of the float. 2. A channel-shaped groove that is open to the top and side surfaces and extends in the vertical direction is formed on the peripheral side surface of the integral body of the buoyancy body and the substrate of the float, and the vertical rod of the U-shaped connecting member is inserted into the fitting groove. The lower arm of the U-shaped connecting member is inserted into the buoyant body, and the upper arm is crimped to the upper surface of the periphery of the base plate of the float. 3. The storage battery according to claim 1 or 2, wherein the lower arm of the U-shaped connecting member is formed into a fixed part having a pointed end, such as an arrowhead shape, and a protrusion for preventing slippage at the rear thereof. water supply valve. 4. The storage battery rehydration tap according to claim 1 or 2, wherein the upper peripheral edge surface of the substrate of the float and the upper arm crimped thereto are connected by adhesive, heat fusion, or the like. 5. A rechargeable water faucet for a storage battery, in which a plurality of connecting members are arranged on the side surface of the peripheral edge of an integral body of a buoyancy body and a float board, at positions symmetrical with respect to its central axis.