WO2021079523A1 - 補水栓 - Google Patents

補水栓 Download PDF

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Publication number
WO2021079523A1
WO2021079523A1 PCT/JP2019/042052 JP2019042052W WO2021079523A1 WO 2021079523 A1 WO2021079523 A1 WO 2021079523A1 JP 2019042052 W JP2019042052 W JP 2019042052W WO 2021079523 A1 WO2021079523 A1 WO 2021079523A1
Authority
WO
WIPO (PCT)
Prior art keywords
main body
wall surface
wall
outer edge
surface portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2019/042052
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
久喜 竹内
崇 田中
伊織 永留
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Corp
Original Assignee
Showa Denko Materials Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Showa Denko Materials Co Ltd filed Critical Showa Denko Materials Co Ltd
Priority to PCT/JP2019/042052 priority Critical patent/WO2021079523A1/ja
Priority to JP2021553885A priority patent/JP7268186B2/ja
Publication of WO2021079523A1 publication Critical patent/WO2021079523A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
    • H01M50/627—Filling ports
    • H01M50/636—Closing or sealing filling ports, e.g. using lids
    • H01M50/645—Plugs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • One aspect of the present invention relates to a water faucet, particularly a water faucet for a storage battery.
  • a water tap for replenishing water is provided in the battery case.
  • a valve provided on the float linked to the liquid level closes the water supply flow path and automatically replenishes the water.
  • a refill that stops the water is disclosed.
  • the main body of the water faucet is provided with an inspection through hole for measuring the specific gravity of the electrolytic solution, and is covered with a lid that can be opened and closed.
  • an object of one aspect of the present invention is to provide a refilling plug capable of suppressing water adhering to the lid portion from leaking to the outside from between the main body portion and the lid portion due to dew condensation or splashing up at the time of refilling water. ..
  • the refill plug according to one aspect of the present invention is a refill plug that replenishes water in the battery case of a lead-acid battery, and has a supply flow path for supplying water into the battery tank and an inspection through hole leading to the inside of the battery tank.
  • a main body that is attached to the battery case and a housing that is provided at the other end of the main body that faces the inside of the battery case and that opens and closes the supply flow path. It is provided with an accommodating portion for accommodating a part of the float that moves in the first direction in conjunction with the liquid level of the electrolytic solution of the above, and a lid portion provided at the other end of the main body portion and covering the through hole for inspection.
  • the accommodating portion extends from the inside of the main body portion toward the outer edge of the main body portion to the outer edge side end portion in a plan view seen from the first direction, and intersects the first direction orthogonal to the first direction. It has a wall surface portion, the lid portion has a second wall surface portion facing the first wall surface portion in the second direction, and the first wall surface portion and the second wall surface portion are at least the outer edge side end of the first wall surface portion. In the portion, a gap is provided in a direction facing each other.
  • the gap here means a gap having a distance between the first wall surface portion and the second wall surface portion where no interfacial tension is generated, and is replenished as a material and an electrolytic solution for forming the first wall surface portion and the second wall surface portion. It means a gap having a distance appropriately calculated according to the type of liquid to be formed.
  • a gap is provided between the first wall surface portion and the second wall surface portion in a direction opposite to each other at least at the outer edge side end portion of the first wall surface portion. Therefore, even if an interfacial tension is generated between the first wall surface portion and the second wall surface portion and water is guided in the outer edge direction of the main body portion, this water is provided in the gap provided at the outer edge side end portion.
  • the outer edge side end portion of the first wall surface portion may be in contact with the outer edge of the main body portion. Even in this case, water is not guided to the outer edge of the main body. That is, it is possible to prevent the water adhering to the lid portion from leaking to the outside from between the main body portion and the lid portion due to dew condensation or splashing up during refilling.
  • a gap may be continuously provided between the first wall surface portion and the second wall surface portion in all the sections facing each other. According to this configuration, no interfacial tension is generated between the first wall surface portion and the second wall surface portion, and water is not guided toward the outer edge of the main body portion.
  • continuous gaps may be formed to have the same size in all sections facing each other.
  • the accommodating portion and the lid portion have a simple shape, and the manufacturability of the accommodating portion and the lid portion can be improved.
  • the main body portion has an annular peripheral wall protruding toward the other end side along the outer edge of the main body portion, and the outer edge side end portion of the first wall surface portion is a peripheral wall. It may be in contact with the inner peripheral surface of the. In this configuration, the accommodating portion can be easily attached to the main body portion.
  • the accommodating portion has a first side surface portion extending along the outer edge portion of the main body portion, and the lid portion extends along the outer edge portion of the main body portion and is the first. It may have a second side surface portion facing the side surface portion, and a gap may be provided between the first side surface portion and the second side surface portion in a direction facing each other.
  • the accommodating portion has a first side surface portion extending along the outer edge portion of the main body portion, and the lid portion extends along the outer edge portion of the main body portion and is the first. It may have a second side surface portion facing the side surface portion, and a gap may be provided between the first side surface portion and the second side surface portion in a direction facing each other.
  • the first side surface portion of the accommodating portion may be in contact with the inner peripheral surface of the peripheral wall
  • the second side surface portion of the lid portion may be in contact with the outer peripheral surface of the peripheral wall.
  • the lid portion is rotatably provided with the direction in which the first wall surface portion extends as a rotation axis so that the cover of the through hole for inspection can be opened and closed. It may be fixed to. In this configuration, even when a lid portion that can be opened and closed by rotation is provided, it is possible to prevent water from leaking to the outside from between the main body portion and the lid portion.
  • the present invention it is possible to prevent water adhering to the lid portion from leaking to the outside from between the main body portion and the lid portion due to dew condensation or splashing during refilling.
  • FIG. 1 is a side view of the refilling faucet according to the present embodiment.
  • FIG. 2 is a perspective view showing a main part of the refill faucet.
  • FIG. 3 is a plan view showing a main part of the refill faucet.
  • FIG. 4 is a plan view showing the main body portion.
  • FIG. 5 is a cross-sectional view taken along the line VV of FIG.
  • FIG. 6 is an exploded view of the main body.
  • FIG. 7 is a perspective view of the first structure.
  • FIG. 8 is a cross-sectional view taken along the line VIII-VIII of FIG.
  • FIG. 9 is a cross-sectional view taken along the line IX-IX of FIG.
  • FIG. 10 is a perspective view showing the back side of the first structure.
  • FIG. 10 is a perspective view showing the back side of the first structure.
  • FIG. 11 is a diagram showing a main part of the second structure.
  • FIG. 12 is a cross-sectional view taken along the line XII-XII of FIG.
  • FIG. 13 is a diagram showing a float.
  • FIG. 14A is a diagram showing a valve seat in an open state.
  • FIG. 14B is a diagram showing a valve seat in a closed state.
  • FIG. 1 is a side view of the refill faucet according to the present embodiment.
  • FIG. 2 is a perspective view showing a main part of the refill faucet
  • FIG. 3 is a plan view showing the main part of the refill faucet.
  • the float 4 described later is omitted.
  • the refill plug 1 is a member for a storage battery for supplying a liquid such as water contained in the storage battery in just proportion, and is attached to a liquid port 100B provided in a battery tank 100A (see FIGS. 14A and 14B) of the storage battery. Will be done.
  • the refill plug 1 also exhibits a function of preventing backflow or the like when the liquid is supplied.
  • the refill plug 1 is attached to the liquid port 100B via a sealing material such as packing from the viewpoint of preventing liquid leakage between the refill plug 1 and the liquid port 100B.
  • the storage battery to which the refill plug 1 is mounted is a liquid storage battery such as a lead storage battery.
  • the refill faucet 1 includes a main body portion 2, a cover portion 3 attached to the main body portion 2, and a float 4 attached to the main body portion 2.
  • the direction in which the floating member 51 of the float 4 moves in conjunction with the liquid level of the electrolytic solution L housed in the electric tank 100A is defined as the direction (first direction) D1, and intersects the direction D1 in a plan view.
  • the intersection direction is the direction D2 and the direction (second direction) D3.
  • viewing from the direction D1 corresponds to a plan view.
  • the directions D2 and the direction D3 are orthogonal to each other, but the present invention is not limited to this.
  • FIG. 4 is a plan view showing the main body portion.
  • FIG. 5 is a cross-sectional view taken along the line VV of FIG.
  • the main body 2 is a portion through which the liquid supplied to the storage battery flows and is a portion mounted on the storage battery. That is, the main body 2 is a portion that constitutes a flow path of the liquid.
  • the main body 2 is a combined structure as described later, but the present invention is not limited to this.
  • the main body 2 has a main surface 2a located outside the storage battery when the refill plug 1 is mounted on the storage battery. Further, the main body 2 includes a peripheral wall 11 surrounding the edge of the main surface 2a, a protruding portion 12 projecting along the direction D1, a water supply port 13 exposed from the cover portion 3, and an inside provided inside the main body 2.
  • the liquid supplied from the water supply port 13 to the refill plug 1 normally passes through the internal space 14, the valve seat 15, and the outflow port 16 in this order and is supplied into the storage battery. Will be done.
  • the liquid that passes through the water supply port 13, the internal space 14, the valve seat 15, and the outlet 16 in this order and is supplied into the storage battery is an intended flow path (supply flow path) composed of the main body 2. It is assumed that the FL has passed. A detailed description of the flow path FL will be described later.
  • the peripheral wall 11 is a portion that prevents or suppresses leakage of the liquid located on the main surface 2a of the main body 2 to the outside, and is erected in an annular shape along the direction D1.
  • the peripheral wall 11 includes an annular base portion 11a, a substantially semicircular first peripheral wall portion 11b that can be accommodated in the cover portion 3, a second peripheral wall portion 11c extending along the edge of the cover portion 3, and a cover portion. It has a cylindrical portion 11d that is exposed from 3 and surrounds the water supply port 13 in a plan view. In a plan view, a part of the first peripheral wall portion 11b, the second peripheral wall portion 11c, and the cylindrical portion 11d are located on one side (right side of the paper surface in FIG.
  • the base portion 11a, the first peripheral wall portion 11b, the second peripheral wall portion 11c, and the cylindrical portion 11d are integrally molded.
  • the base portion 11a is an annular portion provided along the edge of the main surface 2a of the main body portion 2, and serves as a base (base) for the first peripheral wall portion 11b, the second peripheral wall portion 11c, and the cylindrical portion 11d.
  • a part of the base portion 11a is a part of a portion of the main surface 2a that defines the flow path FL.
  • the protrusion 12, the valve seat 15, the outlet 16, the wall 17, the first through hole 18, and the second through hole 19 are located inside the base portion 11a.
  • Each of the first peripheral wall portion 11b and the second peripheral wall portion 11c is a portion that is separated from the flow path FL and prevents or suppresses leakage of the liquid located on the main surface 2a to the outside.
  • the first peripheral wall portion 11b is joined to the second peripheral wall portion 11c on one side in the direction D3 without a gap, but the present invention is not limited to this.
  • the first peripheral wall portion 11b may be joined to the second peripheral wall portion 11c without a gap on the other side in the direction D3.
  • the second peripheral wall portion 11c connects the first peripheral wall portion 11b and the cylindrical portion 11d without a gap.
  • the radius of curvature of the second peripheral wall portion 11c is larger than, but not limited to, the radius of curvature of the first peripheral wall portion 11b.
  • a protrusion 11e which is a locking portion for locking the opening / closing portion 41 (details will be described later) of the cover portion 3, is provided on the outer peripheral surface of the first peripheral wall portion 11b.
  • the cylindrical portion 11d is a mounting port for a device that supplies liquid to the water supply port 13, or a mounting port for an accessory (attachment) for mounting the device.
  • the cylindrical portion 11d is located, for example, at one end in direction D3.
  • the height of the cylindrical portion 11d is higher than, but not limited to, the height of the first peripheral wall portion 11b and the height of the second peripheral wall portion 11c.
  • the height of the first peripheral wall portion 11b and the height of the second peripheral wall portion 11c are the same as each other, but the height is not limited to this.
  • the protruding portion 12 is a portion that defines the connection space CS1 (see also FIGS. 9 and 10 described later) that connects the water supply port 13 and the internal space 14. Therefore, the connection space CS1 is provided inside the protrusion 12.
  • the protruding portion 12 is also a portion that supports a part of the cover portion 3. In a plan view, the protrusion 12 is located on the opposite side of the outlet 16 via the valve seat 15. Further, in a plan view, the protrusion 12, the valve seat 15, and the outlet 16 are arranged in order in the direction D2. The protrusion 12 is located on one side of the direction D3.
  • the protruding portion 12 is integrated with, for example, the base portion 11a of the peripheral wall 11, but is not limited to this.
  • the protruding portion 12 corresponds to a portion located on one side (lower side of the paper surface in FIG. 4) of the valve seat 15 in the direction D2. Therefore, the portion located on the opposite side (upper side in FIG. 4) of the valve seat 15 in the direction D2 and integrated with the protruding portion 12 is a portion different from the protruding portion 12 for explanation.
  • the protruding portion 12 has a side wall 12a that stands up from the main surface 2a and a top surface 12b that extends from the top of the side wall 12a.
  • the side wall 12a is a part of the portion defining the flow path FL on the main surface 2a, and is joined to the base portion 11a of the peripheral wall 11 and the wall portion 17 without a gap.
  • the top surface 12b is a portion where a part of the cover portion 3 is arranged, and is located on the cover portion 3 side of the main surface 2a in the direction D1.
  • the water supply port 13 is an inlet of the flow path FL and communicates with the external and internal spaces 14 of the main body 2.
  • the water supply port 13 is surrounded by the cylindrical portion 11d of the peripheral wall 11 in a plan view.
  • the water supply port 13 communicates with the internal space 14 via the connection space CS1 defined by the protrusion 12.
  • the internal space 14 is a portion of the main body 2 that temporarily stores the liquid.
  • the internal space 14 has a first space 14a communicating with the connection space CS1, a second space 14b communicating with the valve seat 15, and a connection space CS2 connecting the first space 14a and the second space 14b.
  • the first space 14a does not overlap with the water supply port 13 in the direction D1, but is not limited to this.
  • the second space 14b accommodates a valve 53 (see FIGS. 14A and 14B, details of which will be described later) that opens and closes the valve seat 15 by interlocking with the float 4. Therefore, the internal space 14 having the second space 14b is also referred to as a valve chamber in which the valve 53 is housed.
  • connection space CS2 is an opening provided in a partition provided between the first space 14a and the second space 14b, and is located on the bottom side of the main body 2 in the direction D1.
  • the portion of the main body 2 that defines the second space 14b is provided with a protrusion that overlaps the valve seat 15 in the direction D1 and on which the valve 53 can be placed, but is not limited to this.
  • the valve seat 15 is an opening that communicates with the outside of the main body 2 and the internal space 14 that is the valve chamber, and is provided on the main surface 2a.
  • the valve seat 15 is located closer to the center of the main body 2 than the outlet 16 in the direction D2, and is located on the other side of the water supply port 13 in the direction D3.
  • the valve seat 15 has a recess 15a that fits into the valve 53.
  • the recess 15a is provided inside the main body 2. Further, in a plan view, the periphery of the valve seat 15 is raised along the shape of the recess 15a, but the present invention is not limited to this.
  • the outlet 16 is an outlet of the flow path FL, and is a through hole provided on the main surface 2a and penetrating the main body 2. In plan view, the outlet 16 is located on the other side of the valve seat 15 in the direction D2. A part of the main surface 2a located around the outlet 16 may be provided with an inclined portion that descends toward the outlet 16.
  • the wall portion 17 is a part of a portion that defines the flow path FL on the main surface 2a, like the side wall 12a of the protruding portion 12, and is erected along the direction D1. Therefore, the direction D1 is also referred to as the erection direction of the wall portion 17. Further, the wall portion 17 is a portion that divides the main surface 2a into a plurality of regions. In the present embodiment, the wall portion 17 divides the main surface 2a into a first region AR1 and a second region AR2. The first region AR1 is located on the opposite side of the second region AR2 via the wall portion 17 in the direction D3.
  • the first region AR1 is provided with a water supply port 13, a valve seat 15, an outflow port 16, and a first through hole 18, and includes a part of the flow path FL.
  • the second through hole 19 is provided in the second region AR2 and does not include the flow path FL. Therefore, the wall portion 17 also exhibits a function of preventing or suppressing the outflow of the liquid that has reached the main surface 2a via the valve seat 15 to the outside of the flow path FL (that is, the second region AR2).
  • the wall portion 17 has a first portion 21 and a second portion 22 located on one side of the first portion 21 in the direction D2.
  • the first portion 21 is a portion extending linearly along the direction D2 from the base portion 11a of the peripheral wall 11 in a plan view.
  • the first portion 21 is separated from the protruding portion 12. Therefore, a gap S1 is provided between the first portion 21 and the protruding portion 12.
  • the first portion 21 has a first side surface 23 located in the first region AR1, a second side surface 24 located on the opposite side of the first side surface 23 in the direction D3, and a top surface 25 on which the cover portion 3 is arranged. Have.
  • the first side surface 23 is a surface that extends linearly along the direction D2 in a plan view, generally extends in the direction D1 and intersects the direction D3.
  • the first side surface 23 is located on the other side of the valve seat 15 and the outlet 16 in the direction D3.
  • both the valve seat 15 and the outlet 16 are located on one side of the first side surface 23 in the direction D3.
  • a part 23a of the first side surface 23 defines a part of the outflow port 16 in a plan view.
  • the other portion 23b of the first side surface 23 is located on one side of the portion 23a in the direction D2.
  • the other portion 23b is aligned with the valve seat 15 and the water supply port 13 in the direction D3.
  • the first side surface 23 extends from the outlet 16 toward the valve seat 15 in a plan view, and guides the liquid that has reached the main surface 2a through the valve seat 15 to the outlet 16.
  • the other portion 23b of the first side surface 23 is preferably located on one side of the valve seat 15 in the direction D2, but is not limited to this.
  • the guide function can be performed even when the other portion 23b of the first side surface 23 is located on the other side in the direction D2 with respect to the valve seat 15.
  • the second side surface 24 is a surface located in the second region AR2, extends linearly along the direction D2 in a plan view like the first side surface 23, and extends substantially in the direction D1. It intersects direction D3.
  • the second side surface 24 has a groove 24a extending along the direction D1. The groove 24a functions as a guide when the member is inserted into the second through hole 19, and extends to the second through hole 19.
  • the second portion 22 is a portion extending from the first portion 21 to the protruding portion 12, and projects to the other side in the direction D3 in a plan view.
  • the second portion 22 has a substantially semicircular shape, and at least a part of the second portion 22 is located on the other side of the center of the main body portion 2 in the direction D3.
  • the second portion 22 has a side surface 26 continuous with the first side surface 23, a side surface 27 continuous with the second side surface 24, and a top surface 28 on which the cover portion 3 is arranged.
  • the top surface 28, the top surface 25 of the first portion 21, the top surface of the base portion 11a, and the top surface 12b of the protruding portion 12 are located on the same plane as each other, but the present invention is limited to this. I can't.
  • a notch 29 is provided in the second part 22.
  • the notch 29 is a portion that guides the overflowed liquid to the second region AR2 if the liquid that has escaped from the flow path FL overflows from the first region AR1.
  • the shape of the notch 29 is not particularly limited, but is, for example, an inverted trapezoidal shape, a semicircular shape, or the like. From the viewpoint of preventing the liquid from easily overflowing from the first region AR1, the bottom of the notch 29 may be, for example, the apex 28 side of the center of the second portion 22 along the direction D1.
  • the notch 29 does not necessarily have to be provided by notching the main body portion 2 (second portion 22). For example, it may be formed along a mold for molding the second portion 22. Therefore, the notch 29 can also be referred to simply as a recess recessed from the top surface 28 in the direction D1.
  • the first through hole 18 is a portion through which a part of the float 4 is inserted, is provided on the main surface 2a, and penetrates the main body portion 2.
  • the first through hole 18 is located on the other side of the valve seat 15 and the first portion 21 of the wall portion 17 in the direction D2. Further, the first through hole 18 is located between the protruding portion 12 and the second portion 22 in a plan view.
  • a gap S1 is located between the first through hole 18 and the valve seat 15. Therefore, the first through hole 18 is located on the opposite side of the valve seat 15 via the gap S1.
  • the second through hole 19 is a portion through which an inspection device (not shown) for inspecting the inside of the storage battery (inside of the battery case 100A) is inserted, and is provided on the main surface 2a and penetrates the main body 2.
  • the second through hole 19 is located on the opposite side of the outflow port 16 via the first portion 21 of the wall portion 17. Therefore, the second through hole 19 is located on the other side of the first side surface 23 in the direction D3. Further, in a plan view, the second through hole 19 is located on the opposite side of the first through hole 18 through the notch 29 of the wall portion 17. Therefore, a notch 29 is provided between the first through hole 18 and the second through hole 19 in a plan view.
  • a part of the second through hole 19 is continuous with the groove 24a of the first portion 21.
  • the second through hole 19 has a main through hole 19a and a sub through hole 19b defined in the main through hole 19a, but is not limited thereto.
  • the main surface 2a has inclined portions SF1 and SF2 that descend toward the second through hole 19.
  • the inclined portion SF1 is provided at least between the notch 29 and the second through hole 19 in a plan view.
  • the inclined portion SF2 is located on the opposite side of the inclined portion SF1 via the second through hole 19 in a plan view, and is located between the second through hole 19 and the first peripheral wall portion 11b of the peripheral wall 11.
  • FIG. 6 is an exploded view of the main body.
  • FIG. 7 is a perspective view of the first structure.
  • FIG. 8 is a cross-sectional view taken along the line VIII-VIII of FIG.
  • FIG. 9 is a cross-sectional view taken along the line IX-IX of FIG.
  • FIG. 10 is a perspective view showing the back side of the first structure.
  • FIG. 11 is a diagram showing a main part of the second structure.
  • FIG. 12 is a cross-sectional view taken along the line XII-XII of FIG. In the following, the description of the parts already described will be omitted. Further, in FIGS. 6 to 12, some reference numerals are omitted.
  • the main body 2 is a combination structure of the first structure 5 and the second structure 6.
  • the main body 2 is formed by combining the first structure 5 and the second structure 6.
  • the first structure 5 is located outside the storage battery.
  • most of the second structure 6 is located inside the storage battery, and the other part of the second structure 6 is covered by the first structure 5. Therefore, the main surface 2a is composed of the first structure 5.
  • the first side surface 23 of the first portion 21 included in the wall portion 17 of the first structure 5 has a first end 23c located on the main surface 2a side in the direction D1. It has a second end 23d located on the opposite side of the first end 23c in the direction D1 and is inclined with respect to the direction D1. The first end 23c is in contact with the main surface 2a, and the second end 23d is in contact with the top surface 25. Further, the second side surface 24 of the wall portion 17 has a third end 24b located on the main surface 2a side in the direction D1 and a fourth end 24c located on the opposite side of the third end 24b in the direction D1. Moreover, it is inclined with respect to the direction D1.
  • the third end 24b is in contact with the main surface 2a, and the fourth end 24c is in contact with the top surface 25.
  • the first end 23c is located outside the second end 23d and the third end 24b is located outside the fourth end 24c.
  • the angle formed by the first side surface 23 and the top surface 25 and the angle formed by the second side surface 24 and the top surface 25 are obtuse angles. Therefore, the width of the first portion 21 along the direction D3 gradually increases from the top surface 25 side toward the main surface 2a in the direction D1.
  • the side wall 12a of the protrusion 12 has an end 12c located on the main surface 2a side in the direction D1 and an end 12d located on the opposite side of the end 12c in the direction D1. It is inclined with respect to the direction D1.
  • the end 12c is located outside the end 12d, and the angle formed by the side wall 12a and the top surface 12b is an obtuse angle.
  • the second structure 6 has openings 6a to 6f and a wall 6g that surrounds the opening 6f and stands in the direction D1 in a plan view.
  • the opening 6a is connected to the connection space CS1 (see FIGS. 5, 9 and 10) and overlaps the first space 14a (see FIG. 5) in direction D1.
  • the opening 6b is connected to the valve seat 15 (see FIG. 5) and overlaps the second space 14b (see FIG. 5) in direction D1.
  • the opening 6c overlaps the outlet 16 (see FIG. 5) in direction D1.
  • the opening 6d overlaps the first through hole 18 (see FIG. 4) in direction D1.
  • the opening 6e overlaps the main through hole 19a (see FIG. 4) of the second through hole 19 in the direction D1.
  • the opening 6f overlaps the sub-through hole 19b (see FIG. 4) of the second through hole 19 in the direction D1.
  • the wall 6g is a portion that defines the secondary through hole 19b, and is housed in the second through hole 19.
  • the flow path FL is divided into, for example, a first flow path FL1, a second flow path FL2, a third flow path FL3, a fourth flow path FL4, and a fifth flow path FL5. ..
  • the first flow path FL1 indicates a flow path of the liquid supplied from the outside to the water supply port 13.
  • the second flow path FL2 indicates a flow path of the liquid that passes through the first flow path FL1 and then goes to the connection space CS1 of the protrusion 12.
  • the third flow path FL3 indicates a flow path of the liquid that goes to the internal space 14 after passing through the second flow path FL2.
  • the fourth flow path FL4 shows a flow path of the liquid from the internal space 14 to the main surface 2a of the main body 2 via the valve seat 15 in the open state.
  • the fifth flow path FL5 indicates a flow path of the liquid from the main surface 2a to the outflow port 16. Therefore, the liquid that has passed through the first flow path FL1 to the fifth flow path FL5 in order is supplied to the inside of the storage battery via the outlet 16.
  • the other part of the liquid that deviates from the flow path FL and passes through the gap S1 passes through the notch 29 and overflows from the first region AR1 to the second region AR2.
  • the liquid overflowing in the second region AR2 is guided to the second through hole 19 by the inclined portion SF1.
  • the liquid that has reached the second through hole 19 is supplied to the inside of the storage battery through the second through hole 19. Therefore, the other part of the liquid that has deviated from the flow path FL is along the flow path (second unintended flow path EFL2) toward the second through hole 19 through the gap S1 and the notch 29. It is supplied inside the storage battery.
  • at least a part of the liquid that has deviated from the intended flow path FL enters the inside of the storage battery through the first through hole 18 or the second through hole 19. Be supplied.
  • the cover portion 3 is a portion that prevents the liquid flowing through the main body portion 2 from leaking to the outside, and is located on the main surface 2a of the main body portion 2 in the direction D1. Therefore, when the refill plug 1 is attached to the storage battery, the cover portion 3 is located outside the storage battery.
  • the cover portion 3 has a main portion (accommodating portion) 31 and an opening / closing portion 41.
  • the main portion 31 is a portion that covers a part of the first region AR1 in a plan view, and is arranged in contact with the top surfaces 12b of the protruding portion 12 of the main body portion 2 and the top surfaces 25 and 28 of the wall portion 17. Therefore, the main portion 31 is located at least on the valve seat 15 and on the outlet 16 (see FIG. 4 above). Further, the main portion 31 is provided at the other end on the opposite side of the main body 2 facing the inside of the battery tank 100A, and the valve 53 that opens and closes a part (valve seat 15) of the flow path FL is provided in the battery tank 100A. A part of the float 4 to be moved in the direction D1 in conjunction with the liquid level of the electrolytic solution L inside is accommodated.
  • the main portion 31 has, for example, a substantially semicircular shape in which the position overlapping the cylindrical portion 11d is missing in a plan view.
  • the main portion 31 is, for example, a resin molded product.
  • the main portion 31 has a bottom portion 32 arranged on the main body portion 2 and a raised portion 33 that rises from the bottom portion 32 along the direction D1.
  • the bottom portion 32 is a base of the cover portion 3 and is a portion in contact with the main body portion 2.
  • the bottom portion 32 comes into contact with, for example, the second peripheral wall portion 11c of the peripheral wall 11 and a part of the cylindrical portion 11d of the peripheral wall 11 without a gap. In this case, leakage of the liquid located on the first region AR1 to the outside is satisfactorily prevented or suppressed.
  • the bottom portion 32 is fixed to the main body portion 2 by various methods.
  • the bottom portion 32 may be fixed to the main body portion 2 via an adhesive or the like, or may be welded to the main body portion 2.
  • the raised portion 33 is a portion that defines a space (not shown) for accommodating a part (details will be described later) of the portion of the float 4 located on the main surface 2a.
  • the raised portion 33 is also a portion that supports the opening / closing portion 41 of the cover portion 3.
  • the raised portion 33 has a top surface 33a facing the main body portion 2 in the direction D1, a wall surface (first wall surface portion) 33b erected from the top surface 33a toward the main body portion 2, and a part of the wall surface 33b in the direction D1. It has a recessed portion 33c that is recessed along the above surface, a pair of bearing portions 33d provided on the top surface 33a, and a pair of side surfaces (first side surface portions) 33e and 33f that intersect the direction D2.
  • the wall surface 33b extends along the directions D1 and D2, and is the portion closest to the opening / closing portion 41 in the direction D3. When the opening / closing portion 41 is closed, the wall surface 33b is an facing surface facing the opening / closing portion 41.
  • the depressed portion 33c is a portion that is depressed from the bottom 32 side toward the top surface 33a in the direction D1 and overlaps the gap S1 between the protruding portion 12 and the first portion 21 of the wall portion 17.
  • the bearing portion 33d is a portion that rotatably supports the opening / closing portion 41.
  • the opening / closing part 41 is a part that can be opened / closed with respect to the main body part 2.
  • the opening / closing portion 41 covers the first peripheral wall portion 11b and the second region AR2 of the main body portion 2 in a plan view.
  • the opening / closing portion 41 covers the second peripheral wall portion 11c and the second region AR2 (covers the first through hole 18 and the second through hole 19), so that the first through hole 18 and the second through hole 18 located on the second region AR2 are covered. Leakage of liquid from the through hole 19 to the outside is prevented or suppressed.
  • an inspection device or the like can be inserted into the storage battery through the second through hole 19 provided in the exposed second region AR2.
  • the opening / closing portion 41 is, for example, a resin molded product like the main portion 31.
  • the resin contained in the opening / closing portion 41 may be the same as or different from the resin contained in the main portion 31.
  • the resin contained in the opening / closing portion 41 is different from the resin contained in the main portion 31, and the opening / closing portion 41 is transparent. In this case, the float 4 can be easily visually recognized even when the opening / closing portion 41 is in the closed state.
  • the opening / closing portion 41 has a lid portion 42, a rotating portion 43, and a handle 44.
  • the lid portion 42 is the main body of the opening / closing portion 41 and covers the first peripheral wall portion 11b and the second region AR2. By locking the lid portion 42 to the protrusion 11e located outside the first peripheral wall portion 11b, the opening / closing portion 41 can be maintained in a closed state.
  • the lid portion 42 is located on the base portion 11a of the peripheral wall 11 and outside the first peripheral wall portion 11b. It covers a part of the raised portion 33 of the main portion 31.
  • the lid portion 42 is separated from the top surface 33a, the wall surface 33b, and the side surfaces 33e and 33f of the raised portion 33.
  • the lid portion 42 intersects the top surface 42a facing the main body portion 2 in the direction D1 and the wall surface (second wall surface portion) 42b facing the wall surface 33b of the raised portion 33 in the direction D3, and the float 4. 42c, which is provided to avoid interference with the first shaft 52 connected to the floating member 51, intersects the direction D2, and is formed on each of the pair of side surfaces 33e and 33f of the raised portion 33 in the direction D2. It has a pair of side surfaces (second side surface portions) 42e and 42f that face each other.
  • the rotating portion 43 is a portion that is rotatably mounted on the bearing portion 33d of the raised portion 33, and is integrated with the lid portion 42.
  • the rotating portion 43 has a shaft shape that can be rotated on, for example, the bearing portion 33d.
  • the rotation shaft of the rotating portion 43 extends in the direction D2 in which the wall surface 33b extends.
  • the handle 44 is a protruding portion used when opening the opening / closing portion 41, and is provided on the other end side in the direction D3.
  • the wall surface 33b extends from the inside of the main body 2 to the outer edge side end 33ba toward the peripheral wall 11 which is the outer edge of the main body 2 and intersects the direction D3 orthogonal to the direction D1 in a plan view from the direction D1. doing.
  • the inside of the main body 2 referred to here means a region inside the peripheral wall 11 in a plan view seen from the direction D1.
  • the wall surface 33b extends from the inside of the main body 2 to the outer edge side ends 33ba and 33ba in opposite directions along the direction D2. In other words, the wall surface 33b extends linearly from one outer edge side end portion 33ba to the other outer edge side end portion 33ba except for the recessed portion 33c.
  • Both outer edge side end portions 33ba are separated from the inner peripheral surface 11ba of the first peripheral wall portion 11b which is a part of the peripheral wall 11 of the main body portion 2, but the present invention is not limited to this. Both outer veranda end portions 33ba may come into contact with the inner peripheral surface 11ba of the first peripheral wall portion 11b.
  • the wall surface 33b and the wall surface 42b are provided with a gap G1 in the direction D3 facing each other at least at the outer edge side ends 33ba and 33ba of the wall surface 33b.
  • the wall surface 33b and the wall surface 42b of the present embodiment are continuously provided with a gap G1 in all sections facing each other.
  • the gap G1 referred to here means a gap having a distance between the wall surface 33b and the wall surface 42b where no interfacial tension is generated, such as a material forming the wall surface 33b and the wall surface 42b, a type of liquid to be replenished as the electrolytic solution L, and the like. It is a gap having a distance that is appropriately calculated according to the above.
  • the size of the gap G1 which is the distance between the wall surface 33b and the wall surface 42b at the outer edge side end 33ba is the wall surface 33b formed from a resin material such as ABS (acrylonitrile-butadiene-styrene copolymer) and AS (acrylonitrile-styrene).
  • the size is such that no interfacial tension is generated when an electrolytic solution L such as condensed water is interposed between the wall surface 42b formed of a resin material such as a copolymer), for example, 2 mm. It is ⁇ 5 mm.
  • a gap G2 is provided between the side surface 33e and the side surface 42e in the direction D2 facing each other.
  • a gap G2 is continuously provided between the side surface 33e and the side surface 42e of the present embodiment in all sections facing each other.
  • the side surface 33f and the side surface 42f are provided with a gap G2 in the direction D2 facing each other.
  • the gap G2 referred to here means a gap having a distance between the side surface 33e and the side surface 42e and between the side surface 33f and the side surface 42f so that no interfacial tension is generated, and forms the side surfaces 33e and 33f and the side surfaces 42e and 42f.
  • a gap G2 is continuously provided between the side surface 33f and the side surface 42f of the present embodiment in all sections facing each other.
  • the size of the gap G2 is such that, for example, dew condensation moisture or the like is formed between the side surface 33e formed of a resin material such as ABS and the side surface 42e formed of a resin material such as AS and between the side surface 33f and the side surface 42f.
  • the size is such that interfacial tension does not occur when intervening, for example, 2 mm to 5 mm.
  • a part of each of the side surfaces 33e and 33f of the raised portion 33 is separated from the inner peripheral surface 11ba of the first peripheral wall portion 11b which is a part of the peripheral wall 11, but is not limited to this.
  • Each part of the side surfaces 33e and 33f may come into contact with the inner peripheral surface 11ba of the first peripheral wall portion 11b.
  • a part of each of the side surfaces 42e and 42f of the lid portion 42 is separated from the outer peripheral surface 11bb of the first peripheral wall portion 11b which is a part of the peripheral wall 11.
  • FIG. 13 is a diagram showing a float.
  • FIG. 14A is a diagram showing a valve seat in an open state
  • FIG. 14B is a diagram showing a valve seat in a closed state.
  • the cover portion 3 is omitted.
  • the float 4 includes a floating member 51, a first shaft 52 connected to the floating member 51, a valve 53 corresponding to a valve seat 15 of the main body 2, and a valve. It has a second shaft 54 connected to 53 and a connecting portion 55 connecting the first shaft 52 and the second shaft 54.
  • the floating member 51, a part of the first shaft 52, the valve 53, and a part of the second shaft 54 are located inside the storage battery or inside the main body 2.
  • the other portion of the first shaft 52, the other portion of the second shaft 54, and the connecting portion 55 are located on the main surface 2a of the main body portion 2 and outside the storage battery.
  • the floating member 51 is a member that floats on the electrolytic solution L housed in the storage battery. Therefore, the floating member 51 exhibits a function of interlocking with the liquid level of the electrolytic solution L housed in the storage battery. In the present embodiment, when the floating member 51 is interlocked with the liquid level, the entire float 4 is also interlocked.
  • the shape of the floating member 51 is not particularly limited.
  • the first shaft 52 is a member extending in the direction D1 when mounted on the main body 2, and inserts the first through hole 18.
  • the first shaft 52 is easily visible via the opening / closing portion 41 (see FIG. 2 and the like). Therefore, by confirming the position of the first shaft 52, it can be easily determined whether or not the liquid needs to be supplied to the storage battery.
  • the valve 53 is a member housed in the internal space 14 of the main body 2, and has a shape that can be fitted into the recess 15a of the valve seat 15.
  • the valve 53 opens and closes the valve seat 15 in conjunction with the floating member 51.
  • FIG. 14A when the main body 2 is mounted on the storage battery 100 and the electrolytic solution L is not sufficiently contained, the valve 53 is separated from the recess 15a, and the valve seat 15 is separated from the recess 15a. It is open.
  • FIG. 14B when the storage battery 100 sufficiently contains the electrolytic solution L, the valve 53 is fitted to the recess 15a and closes the valve seat 15.
  • the valve 53 has a substantially hemispherical shape, but is not limited thereto.
  • the second shaft 54 is a member extending in the direction D1 when the float 4 is attached to the main body 2, and the valve seat 15 is inserted through the second shaft 54.
  • the second shaft 54 unlike the first shaft 52, is located inside the raised portion 33 (see FIG. 3) of the cover portion 3. Therefore, the second axis 54 is less visible than the first axis 52.
  • the second shaft 54 is integrally molded with the valve 53, but is not limited thereto.
  • the connecting portion 55 is a portion that transmits the displacement of the floating member 51 to the valve 53 and the second shaft 54.
  • the connection portion 55 is integrated with the first shaft 52 and has a grip portion 55a for gripping the second shaft 54, but the connection portion 55 is not limited thereto.
  • the wall surface 33b and the wall surface 42b are provided with a gap G1 in the direction D3 facing each other at the outer edge side end portion 33ba of the wall surface 33b. Therefore, no interfacial tension is generated between the wall surface 33b and the wall surface 42b. Therefore, water is not guided to the peripheral wall 11 of the main body 2 by the interfacial tension between the wall surface 33b and the wall surface 42b. As a result, it is possible to prevent water adhering to the lid portion 42 from leaking to the outside from between the main body portion 2 and the lid portion 42 due to dew condensation or splashing of the electrolytic solution L during refilling.
  • the outer edge side end 33ba of the wall surface 33b does not contact the peripheral wall 11 of the main body 2, but even if it is configured to contact the peripheral wall 11, the peripheral wall 11 of the main body 2 is reached. Water is not induced. That is, it is possible to prevent the water adhering to the lid portion 42 from leaking to the outside from between the main body portion 2 and the lid portion 42 due to dew condensation or splashing up during refilling.
  • the raised portion 33 can be easily attached to the main body 2.
  • the outside of the refill plug 1 is further formed. It is possible to eliminate the induction of water due to the interfacial tension generated between the side surface 33e and the side surface 42e and between the side surface 33f and the side surface 42f, which are close to the above. As a result, it is possible to more reliably prevent water from leaking to the outside from between the main body portion 2 and the lid portion 42.
  • the side surfaces 33e and 33f of the raised portion 33 may be in contact with the inner peripheral surface 11ba of the peripheral wall 11, and the side surfaces 42e and 42f of the lid portion 42 may be in contact with the outer peripheral surface 11bb of the peripheral wall 11.
  • the peripheral wall 11 is interposed between the side surface 33e and the side surface 42e and between the side surface 33f and the side surface 42f, water flows from between the side surface 33e and the side surface 42e and between the side surface 33f and the side surface 42f to the outside. Leakage can be suppressed.
  • the refill faucet according to one aspect of the present invention is not limited to the above-described embodiment, and various other modifications are possible.
  • a gap G1 is continuously provided in all sections facing each other, but at least the wall surface 33b.
  • a gap G1 may be provided in the direction D3 facing each other.
  • a gap G1 is formed between one outer edge side end 33ba on the wall surface 33b and the other outer edge side end 33ba on the wall surface 33b, and between the outer edge side ends 33ba and 33ba arranged at both ends in the direction D2. May be in contact with the wall surface 33b and the wall surface 42b.
  • the wall surface 33b and the wall surface 42b are continuously provided with a gap G1 in all the sections facing each other, and the convex portion 42c is wider than the gap size between the wall surface 33b and the wall surface 42b.
  • the wall surface 33b and the wall surface 42b may be formed to have the same size in all the sections facing each other.
  • the raised portion 33 and the lid portion 42 have a simple shape, and the manufacturability of the raised portion 33 and the lid portion 42 can be improved.
  • the cover portion 3 has a main portion 31 and an opening / closing portion 41 that can be opened / closed, but the present invention is not limited to this.
  • a lid portion that covers the removable second through hole 19 may be provided instead of the opening / closing portion 41 that covers the second through hole 19.
  • the wall surface 33b of the raised portion 33 is formed with a wall surface 33b and a wall surface 42b orthogonal to the direction D3 orthogonal to the direction D1 in which the floating member 51 of the float 4 moves.
  • the wall surface 33b and the wall surface 42b that are inclined from the D1 direction may be formed.
  • the main body portion and the cover portion are separate members, but the present invention is not limited to this.
  • the main body may be integrated with at least a part of the cover.
  • the main part of the cover part is integrated with the main body part.
  • the main body portion and the cover portion may be integrally molded.
  • the main body portion is integrated with the wall portion and has a cover portion located on the valve seat. Even in this case, the same effects as those in the above embodiment are achieved.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filling, Topping-Up Batteries (AREA)
PCT/JP2019/042052 2019-10-25 2019-10-25 補水栓 Ceased WO2021079523A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2019/042052 WO2021079523A1 (ja) 2019-10-25 2019-10-25 補水栓
JP2021553885A JP7268186B2 (ja) 2019-10-25 2019-10-25 補水栓

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386141A (en) * 1982-02-22 1983-05-31 Exide Corporation Watering device for batteries
JPH02230658A (ja) * 1989-03-02 1990-09-13 Miyagawa Kasei Ind Co Ltd 蓄電池の注液装置
WO2013073102A1 (ja) * 2011-11-17 2013-05-23 株式会社Ｇｓユアサ 蓄電池用補水栓

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386141A (en) * 1982-02-22 1983-05-31 Exide Corporation Watering device for batteries
JPH02230658A (ja) * 1989-03-02 1990-09-13 Miyagawa Kasei Ind Co Ltd 蓄電池の注液装置
WO2013073102A1 (ja) * 2011-11-17 2013-05-23 株式会社Ｇｓユアサ 蓄電池用補水栓

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JP7268186B2 (ja) 2023-05-02

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