CN202855840U - Injection hole plug and lead storage battery - Google Patents
Injection hole plug and lead storage battery Download PDFInfo
- Publication number
- CN202855840U CN202855840U CN2012204217377U CN201220421737U CN202855840U CN 202855840 U CN202855840 U CN 202855840U CN 2012204217377 U CN2012204217377 U CN 2012204217377U CN 201220421737 U CN201220421737 U CN 201220421737U CN 202855840 U CN202855840 U CN 202855840U
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- China
- Prior art keywords
- filter
- main body
- liquid surface
- sidewall
- exhaust 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.)
- Expired - Lifetime
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- 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
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- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model provides an injection hole plug with a floater for liquid display and a lead storage battery. The injection hole plug can be used for installing a filter under the condition of no influence of injection of an electrolytic solution, and discharging gas generated inside a storage battery while preventing mist from being attached to the filter. The injection hole plug is provided with a plug main body, a cover body, a floating body, one or more exhaust parts, a filter, a filter holding wall and a gas guide part, wherein the plug main body is provided with an internal space communicated with the inside and outside of the storage battery, the cover body is used for closing the upper opening of the plug main body freely, the floating body is linked with the liquid level height to move up and down along a guide part arranged on the plug main body, the one or more discharging parts are formed on the side wall of the plug main body, the filter is arranged in a manner of closing the inner opening of each discharging part, a filter accommodating part for accommodating the filter is formed between the filter holding wall and the inner surface of the side wall, and the gas guide part is formed on the filter holding wall and is used for guiding gas passing through the internal space into the filter.
Description
Technical field
The utility model relates to a kind of liquid surface bolt that liquid level shows the buoyancy aid of usefulness that has.
Background technology
For example shown in the patent documentation 1, be installed on the liquid surface bolt that is formed on such as the liquid mouth on the electro bath-lid of lead accumulator etc. and possess: the bolt main body with the inside that is communicated with lead accumulator and outside inner space; Open and close the freely lid of the upper side opening of block plug main body; The buoyancy aid that shows the liquid level of electrolyte.
Have the structure of discharging the hydrogen that when lead accumulator charges, produces though have the liquid surface bolt of this buoyancy aid, do not have explosion prevention function, therefore, the possibility that lead accumulator was blasted when existence was ignited hydrogen because of the burning things which may cause a fire disaster from the outside.
Therefore, shown in patent documentation 2, consider to possess the structure that in the space that buoyancy aid moves up and down, connects the explosion-proof filter that this buoyancy aid is set.
Yet, in the liquid surface bolt that so consists of, owing in the mode of the inner space of block plug main body explosion-proof filter being set, therefore, in the situation that in electrolysis tank, inject electrolyte, need to pull down liquid surface bolt from electro bath-lid, there is the problem that operation is wasted time and energy of injecting.
In addition, this liquid surface bolt constitutes and makes the gas that produces at inside battery from the downside of filter by upper side and the structure of discharging from steam vent to upside, thereby exists the spittle to be attached to the downside of filter and the problem of blocking filter.
[formerly technical literature]
[patent documentation]
The real fair 4-66053 communique of [patent documentation 1] Japan
[patent documentation 2] TOHKEMY 2000-223110 communique
The utility model content
At this, main expectation problem of the present utility model is, in the liquid surface bolt of the buoyancy aid with liquid level demonstration usefulness, can in the situation of the injection that does not hinder electrolyte filter be installed, and prevent that the spittle from adhering to this filter, and the gas that produces in internal storage battery is discharged to the outside.
That is, liquid surface bolt of the present utility model is characterised in that to possess: the bolt main body, and it is located at the liquid mouth of storage battery, and has and the inner space of the internal communication of described storage battery and the upper side opening that described inner space is communicated with the outside; Lid, it opens and closes the freely described upper side opening of inaccessible described bolt main body; Buoyancy aid, it shows the liquid level of the electrolyte in the described storage battery, and moves up and down linkedly along guide portion and the described liquid level of being located at described bolt main body; One or more exhaust portion, it is formed on the sidewall of described bolt main body, and the gas of the inner space by described bolt main body is discharged to the outside; Filter, it is located at the inboard of described sidewall with respect to described exhaust portion, and the interior side opening of inaccessible described exhaust portion; Filter keeps wall, and it is located on the inner surface of described sidewall, and is formed for accommodating and fixing the filter resettlement section of described filter between the inner surface of this filter maintenance wall and described sidewall; The gas introduction part, it is formed on the described filter maintenance wall, is used for importing by the gas of described inner space described filter.
According to this structure, because the sidewall in the bolt main body is provided with exhaust portion, and the mode with inaccessible this exhaust portion arranges filter, and utilize filter to keep wall this filter to be accommodated and is fixed between the inner surface of this filter maintenance wall and sidewall, therefore, it is the inner space that filter keeps the inboard of wall, thereby can not hinder the injection ground of electrolyte that filter is installed.In addition, utilize filter keep wall and the inner surface of sidewall between accommodate and Fixed-Filter, keep wall that the gas introduction part is set at filter, thereby the spittle that filter keeps wall energy enough to prevent from invading the inner space of bolt main body is attached to filter.
As the concrete structure of exhaust portion, preferred described exhaust portion is formed by the otch that extends downwards from the upper end of described sidewall.Thus, form otch in the upper end of sidewall and get final product, can simplify the structure of exhaust portion, its processing is also easy.
In the situation that consist of described exhaust portion by otch, as its side-glance shape, the コ word shape that can consider roughly to make progress, roughly V word shape, roughly U word shape or semicircle shape roughly.
Described filter preferably is substantially planar.By using the filter of this substantially planar, can reduce in the shared ratio of the inner space of bolt main body middle filtrator, can strengthen for the space of injecting electrolyte, thereby easily inject operation.
The inner surface configuration that is preferably formed with the sidewall sections of described exhaust portion is circular-arc, and the Width both ends of described filter are for corresponding with the sidewall sections that is formed with described exhaust portion circular-arc.Thus, even be in use in the situation of filter of substantially planar, filter and exhaust portion are approached.Thereby, can strengthen for the space of injecting electrolyte and easily inject operation.
Preferred described filter keeps wall to fix this filter by the described filter of clamping between the inner surface of itself and described sidewall.Thus, can utilize filter to keep reliably Fixed-Filter of wall and sidewall.
Preferably keep being formed with described gas introduction part with the opposed part of described exhaust portion on the wall at described filter.Thus, because the gas of inflow filter is mobile to the thickness direction of filter, therefore, gas is easily discharged from exhaust portion via filter.
As the concrete structure of gas introduction part, preferred described gas introduction part is formed by the otch that keeps the upper end of wall to extend downwards from described filter.Thus, form otch in the upper end of sidewall and get final product, can simplify the structure of exhaust portion, its processing is also easy.
In the situation that consist of described gas introduction part by otch, consider to be the コ word shape that roughly makes progress, roughly V word shape, roughly U word shape or semicircle shape roughly as its side-glance shape.
Preferred described lid has in the outer peripheral edges of the upper wall portions of the upper side opening of the described bolt main body of obturation to lateral wall section that downside extends to form, under the state of side opening, the outer openings of described lateral wall section and described exhaust portion is opposed on described upper wall portions obturation is described.Thus, owing to constituting the structure that lateral wall section covers the outer openings of exhaust portion, therefore, the gas that can prevent from discharging from filter to the outside is by the burning things which may cause a fire disaster igniting from the outside.In addition, can prevent that filter from being polluted by the outer openings of exhaust portion.
Preferred described lid has upper wall portions at the upper side opening of the described bolt main body of obturation to the madial wall section that downside extends to form, described upper wall portions inaccessible described under the state of side opening, the interior side opening of described madial wall section and described gas introduction part is opposed.Thus, because madial wall section constitutes the structure of the interior side opening of blanket gas introduction part, therefore, the spittle by the inner space is cut off by madial wall section to the intrusion of gas introduction part, thereby can prevent the spittle adhering to filter.
The sidewall of preferred described bolt main body has the large-diameter portion that forms described upper side opening and be formed with described exhaust portion and the minor diameter part that is formed at this large-diameter portion lower end, described madial wall section is for tubular roughly and be configured in the inboard of described large-diameter portion, and the bottom of described madial wall section approaches and formation spittle partition-type structures with the upper end of described minor diameter part.Thus, form by madial wall section and prevent the spittle to the adhering to and apply flexibly this madial wall section structure of filter, and form spittle partition-type structures in the inside of liquid surface bolt, thereby can further prevent the spittle adhering to filter.
In the situation that form described spittle partition-type structures, though can suitably prevent the intrusion of the spittle, there is the possibility that flows that hinders gas.Therefore, preferably described madial wall section form gas by section from the opposed position of described gas introduction part in the position that makes progress in week different, this gas makes the space of gas by forming by described inner space by section between described madial wall section and described large-diameter portion.Pass through section by so forming gas in madial wall section, thereby can guarantee flowing of gas.In addition, because gas is formed on the position different from the gas introduction part that make progress in week by section, therefore, the spittle is difficult for arriving the gas introduction part, can prevent further that the spittle from adhering to filter.
Preferred described lid links freely with respect to described bolt main body rotation.Thus, because lid and bolt main body link, therefore, need not to worry that lid drops, thereby can easily use.
Lead accumulator of the present utility model is characterised in that, uses above-mentioned arbitrarily liquid surface bolt.
[utility model effect]
The utility model according to formation like this, in the liquid surface bolt of the buoyancy aid with liquid level demonstration usefulness, can in the situation of the injection that does not hinder electrolyte, filter be installed, and can prevent that the spittle from adhering to this filter, and the gas that produces in internal storage battery is discharged to the outside.
Description of drawings
Fig. 1 is the vertical view of the liquid surface bolt of present embodiment.
Fig. 2 is the vertical view of the bolt main body of this execution mode.
Fig. 3 is the cutaway view along A-A line shown in Figure 2 of this execution mode.
Fig. 4 is the cutaway view along B-B line shown in Figure 1 of this execution mode.
Fig. 5 is the partial sectional view that flows that schematically represents the gas of this execution mode.
Fig. 6 is the vertical view that flows that schematically represents the gas of this execution mode.
Symbol description
1 liquid surface bolt
2 bolt main bodys
The upper side opening of 2a
21 sidewalls
22 guide portion (buoyancy aid installing hole)
211 large-diameter portions
212 minor diameter parts
The upper end of 212x minor diameter part
3 lids
32 upper wall portions
33 lateral wall sections
34 madial wall sections
The bottom of 34x madial wall section
4 buoyancy aids
5 exhaust portion
6 filters
The Width both ends of 6x filter
7 filters keep wall
7a filter resettlement section
8 gas introduction parts
9 spittle partition-type structures
10 gases pass through section
Embodiment
Below, an execution mode of the liquid surface bolt that the utility model is related to reference to accompanying drawing describes.
The liquid surface bolt 1 of present embodiment is used for carrying such as for example pregnant solution type lead accumulator (being also referred to as open lead accumulator) on the forklift truck etc., and it is installed on the liquid mouth place that the electro bath-lid at lead accumulator forms.
Such as Fig. 1～shown in Figure 4, particularly, this liquid surface bolt 1 possesses: bolt main body 2, and it is arranged at the liquid mouth place that forms at electro bath-lid, and has inside and the outside internal space S that is communicated with lead accumulator; Lid 3, it opens and closes the freely upper side opening 2a of inaccessible this bolt main body 2.
Bolt main body 2 is for example plastic hollow cylindrical, is formed with the external thread part (not shown) that the internal thread part (not shown) with the interior lateral circle surface that is formed at the liquid mouth screws togather in its outside circumference.
In addition, be formed with for described buoyancy aid 4 at the rear wall of the sidewall 21 of bolt main body 2 and insert and the guide portion that is used for this buoyancy aid 4 is moved up and down is the buoyancy aid installing hole.And this buoyancy aid installing hole 22 forms along the central shaft C of bolt main body 2.
And lid 3 links freely with the part rotation of the sidewall 21 of the upper side opening 2a that is formed with described bolt main body 2.Particularly, as shown in Figures 1 and 2, lid 3 has and engages with the axle linking part 21m on the rear wall parts top that is formed at described sidewall 21 and connect to rotation rotary shaft 31 freely.Thus, lid 3 can open and close with a touch (one touch) with respect to bolt main body 2.In addition, owing to all connecting to one with bolt main body 2 at the state of opening lid 3 and any state lower cover 3 of closing the state of lid 3, therefore, easily the operational processes lid 3.In addition, because this lid 3 also links with bolt main body 2 under the state of opening lid 3, therefore need not to worry dropping of lid 3 etc.
Yet such as Fig. 1～shown in Figure 4, the liquid surface bolt 1 of present embodiment possesses: exhaust portion 5, and it is formed on the sidewall 21 of bolt main body 2, and the gas of the internal space S by bolt main body 2 is discharged to the outside; Filter 6, it is arranged on the inboard of sidewall 21 with respect to this exhaust portion 5, and is arranged to the mode of the interior side opening of inaccessible exhaust portion 5; Filter keeps wall 7, and it is arranged at the inner surface of sidewall 21, and the inner surface of sidewall 21 between be formed for accommodating and the filter resettlement section 7a of Fixed-Filter 6; Gas introduction part 8, it is formed on this filter maintenance wall 7, is used for importing by the gas of described internal space S described filter 6.
In addition, this filter 6 keeps wall 7 to keep by the filter on the inner surface that is formed at sidewall 21.Particularly, filter keeps wall 7 to contact with the one side of described filter 6 and keeps filter 6, and becomes substantially planar.In the present embodiment, the inner surface configuration that is formed with the sidewall sections of exhaust portion 5 is circular-arc, and the filter resettlement section 7a that keeps wall 7 to form by filter overlooks lower roughly breach toroidal for being made of circular arc and bowstring shape.
Particularly, as shown in Figure 2, be contained in the Width both ends 6x of filter 6 of this filter resettlement section 7a for corresponding with the toroidal of sidewall sections circular-arc.Thus, when filter 6 is contained in filter resettlement section 7a, can reduce the distance of the filter 6 of the interior side opening of exhaust portion 5 and substantially planar, thereby can strengthen for the space of injecting electrolyte, thereby easily inject operation.
In addition, one side and the filter of inboard that is contained in the filter 6 of filter resettlement section 7a keeps wall 7 to contact, and the curved surface in the outside of Width both ends 6x contacts with the inner surface of sidewall 21.That is, filter 6 is kept the outer surface clamping of wall 7 by the inner surface of sidewall 21 and filter and fixes along the inner surface of sidewall 21.
Being formed at filter keeps the gas introduction part 8 of wall 7 to be formed by the otch 7K that keeps the upper end of wall 7 to extend downwards from described filter.Particularly, as shown in Figure 3, the otch 7K of the gas introduction part 8 of formation present embodiment is same with the otch 21K that consists of described exhaust portion 5, also is the コ word shape that roughly makes progress under side-looking.Particularly, the otch 7K that consists of this gas introduction part 8 is the shape similar to the otch 21K that consists of described exhaust portion 5, and also larger than the otch 21K of described exhaust portion 5.
In addition, this gas introduction part 8 is formed on the position corresponding with the exhaust portion 5 of being located at described sidewall 21.And the filter around the gas introduction part 8 keeps wall 7, and performance prevents that the spittle is attached to the effect of filter 6 as spittle partition walls.
In said structure, as shown in Figure 4, extended to form lateral wall section 33 from the circumference of the lower surface of the upper wall portions 32 of lid 3 to downside.This lateral wall section 33 is roughly cylindric, and closes the outside that is positioned at sidewall 21 under the state of side opening 2a in described upper wall portions 32.And the outer openings that this lateral wall section 33 forms with exhaust portion 5 covers this outer openings opposed to each other.That is, be positioned at than the bottom wall portion of the otch 21K that consists of exhaust portion 5 position of side on the lower by the bottom 33x that makes lateral wall section 33, thereby cover described exhaust portion 5 at the lower outside side wall portion 33 of side-looking.The gas of discharging from exhaust portion 5 to the outside thus, and lateral wall section 33 meet and flow downwards.
Cover the outer openings of exhaust portion 5 by lateral wall section 33, thereby prevent dust to be attached to filter 6 from the outside and cause stopping up, and, can prevent that the hydrogen of discharging from filter 6 to the outside from being ignited by outside burning things which may cause a fire disaster.
In addition, as shown in Figure 4, extended to form roughly madial wall cylindraceous section 34 from the described circumference lower surface in the inner part of the ratio upper wall portions 32 of lid 3 to downside.This madial wall section 34 is roughly cylindric, is positioned at sidewall 21 inboards under the state of side opening 2a on described upper wall portions 32 obturations.And madial wall section 34 covers side opening in this opposed to each other with the interior side opening of gas introduction part 8.That is, the bottom 34x of madial wall section 34 is positioned at than the bottom wall portion of the otch 7K that consists of gas introduction part 8 side on the lower, constitutes thus that madial wall section 34 covers described gas introduction part 8 under side-looking.
By the interior side opening of madial wall section 34 blanket gas introduction parts 8, thereby by the spittle that madial wall section 34 cuts off by the internal space S of bolt main body 2, can prevent spittle inflow gas introduction part 8.
Furthermore, in the present embodiment, as shown in Figures 3 and 4, the sidewall 21 of bolt main body 2 has: be formed with side opening 2a and be formed with the large-diameter portion 211 of described exhaust portion 5; Be formed on the minor diameter part 212 of these large-diameter portion 211 lower ends, the bottom 34x of madial wall section 34 and the upper end 212x of minor diameter part 212 approach and formation spittle partition-type structures 9.
At this, large-diameter portion 211 is the part of extending to upside than the upper surface of electro bath-lid on the sidewall 21 of bolt main body 2, minor diameter part 212 be on the sidewall 21 of bolt main body 2 from the liquid mouth inside of electro bath-lid than the lower surface of the electro bath-lid part to the downside extension.
Need to prove, above-mentioned filter keeps wall 7 to form across large-diameter portion 211, stage portion 213 ground that are formed between large-diameter portion 211 and the minor diameter part 212.Keep wall 7 to keep filter 6 by this filter, thereby filter 6 is fixed on the upside of stage portion 213 in the inboard of large-diameter portion 211.
In addition, owing to by spittle partition-type structures 9 gas flow path is narrowed down, therefore, the possibility that exists the circulation of gas to be obstructed, thereby, in the present embodiment, being formed with the gas that makes by the internal space S gas by the space that between madial wall section 34 and large-diameter portion 211, forms from the different position that makes progress in gas introduction part 8 opposed positions and week and passing through section 10 in described madial wall section 34.
Particularly, gas is formed by the otch 34K that extends upward from the lower end of madial wall section 34 by section 10.The gas of formation present embodiment is the コ word shape that roughly makes progress by the otch 34K of section 10 under side-looking.Need to prove, consist of the otch 34K of this gas by section 10 except コ word shape, can also be V word shape roughly, roughly U word shape or semicircle shape roughly.
In addition, in the present embodiment, even if suppose in the situation that the spittle passes through section 10 by gas, this spittle is difficult for arriving filters 6 via gas introduction part 8, therefore, gas is formed on the opposition side of gas introduction part 8 in madial wall section 34 by section 10.
Next, with reference to Fig. 5 and Fig. 6 the Main Current path of the hydrogen of the liquid surface bolt 1 of formation like this is described.
At first, when lead accumulator was charged, the hydrogen that produces in electrolysis tank made progress mobile by the internal space S of the minor diameter part 212 of bolt main body 2.Then, as shown in Figure 5, flow into space between madial wall section 34 and the large-diameter portion 211 by the gas that forms in madial wall section 34 by section 10.Afterwards, as shown in Figure 6, be formed at roughly circular space between madial wall section 34 and the large-diameter portion 211 along circumferentially mobile, thereby discharging to the outside from gas introduction part 8 inflow filters 6.Need to prove, the part of the gas of the internal space S by minor diameter part 212 namely is formed on gap between the upper end 212x of the bottom 34x of madial wall section 34 and minor diameter part 212 and flows into space between madial wall section 34 and the large-diameter portion 211 from spittle partition-type structures 9, discharge from gas introduction part 8 inflow filters 6 and to the outside.
In addition, by filter keep wall 7 and its with the inner surface of sidewall 21 between accommodate also Fixed-Filter 6, and keep wall 7 that gas introduction part 8 is set at filter, thereby the spittle that filter keeps wall 7 can prevent from invading the internal space S of bolt main body 2 is attached on the filter 6.
Need to prove, the utility model is not limited to described execution mode.For example, the exhaust portion 5 of described execution mode is made of the otch 21K that is formed at sidewall 21, but also can be made of the through hole that is formed at sidewall 21.Equally, gas introduction part 8 also can keep the through hole on the wall 7 consist of by being formed at filter except being made of the otch 7K that is formed at filter maintenance wall 7.
In addition, in said embodiment, the situation that an exhaust portion 5 is set at sidewall 21 is illustrated, but also plural exhaust portion 5 can be set upwards in the week of sidewall 21.
And then, in said embodiment, filter 6 and the 5 corresponding settings of an exhaust portion, but also can one filter 6 and plural exhaust portion 5 corresponding settings.
Though above is the structure that 3 rotations of described lid link with bolt main body 2 freely, described lid 3 also can be to be located on the bolt main body 2 and the chimeric forced structure that is installed on the bolt main body 2 in the mode of dismantled and assembled separation.
In addition, the utility model is not limited to described execution mode, can carry out various distortion in the scope that does not break away from its purport.
Claims (15)
1. liquid surface bolt is characterized in that possessing:
The bolt main body, it is located at the liquid mouth of storage battery, and has and the inner space of the internal communication of described storage battery and the upper side opening that described inner space is communicated with the outside;
Lid, it opens and closes the freely described upper side opening of inaccessible described bolt main body;
Buoyancy aid, it shows the liquid level of the electrolyte in the described storage battery, and moves up and down linkedly along guide portion and the described liquid level be located on the described bolt main body;
One or more exhaust portion, it is formed on the sidewall of described bolt main body, and the gas of the inner space by described bolt main body is discharged to the outside;
Filter, it is located at the inboard of described sidewall with respect to described exhaust portion, and the interior side opening of inaccessible described exhaust portion;
Filter keeps wall, and it is located on the inner surface of described sidewall, and is formed for accommodating and fixing the filter resettlement section of described filter between the inner surface of this filter maintenance wall and described sidewall;
The gas introduction part, it is formed at described filter and keeps will importing by the gas of described inner space described filter on the wall.
2. liquid surface bolt according to claim 1 is characterized in that,
Described exhaust portion is formed by the otch that extends downwards from the upper end of described sidewall.
3. liquid surface bolt according to claim 2 is characterized in that,
Described exhaust portion is the コ word shape that roughly makes progress, roughly V word shape, roughly U word shape or semicircle shape roughly under side-looking.
4. liquid surface bolt according to claim 1 is characterized in that,
Described filter is substantially planar.
5. liquid surface bolt according to claim 1 is characterized in that,
The inner surface configuration that is formed with the sidewall sections of described exhaust portion is circular-arc,
The Width both ends of described filter form corresponding with the sidewall sections that is formed with described exhaust portion circular-arc.
6. liquid surface bolt according to claim 1 is characterized in that,
Described filter keeps wall by the described filter of clamping between the inner surface that keeps wall and described sidewall at this filter this filter to be fixed.
7. liquid surface bolt according to claim 1 is characterized in that,
Keep being formed with described gas introduction part with the opposed part of described exhaust portion on the wall at described filter.
8. liquid surface bolt according to claim 1 is characterized in that,
Described gas introduction part is formed by the otch that keeps the upper end of wall to extend downwards from described filter.
9. liquid surface bolt according to claim 8 is characterized in that,
Described gas introduction part is the コ word shape that roughly makes progress, roughly V word shape, roughly U word shape or semicircle shape roughly under side-looking.
10. liquid surface bolt according to claim 1 is characterized in that,
Described lid has outer peripheral edges in the upper wall portions of the upper side opening of the described bolt main body of obturation to the lateral wall section that downside extends to form,
Under the state of side opening, the outer openings of described lateral wall section and described exhaust portion is opposed on described upper wall portions obturation is described.
11. liquid surface bolt according to claim 1 is characterized in that,
Described lid has upper wall portions at the upper side opening of the described bolt main body of obturation to the madial wall section that downside extends to form,
Under the state of side opening, the interior side opening of described madial wall section and described gas introduction part is opposed on described upper wall portions obturation is described.
12. liquid surface bolt according to claim 11 is characterized in that,
The sidewall of described bolt main body has the large-diameter portion that forms described upper side opening and be formed with described exhaust portion and the minor diameter part that is formed at this large-diameter portion lower end,
Described madial wall section is for tubular roughly and be configured in the inboard of described large-diameter portion,
The bottom of described madial wall section and the upper end of described minor diameter part approach and consist of spittle partition-type structures.
13. liquid surface bolt according to claim 12 is characterized in that,
Described madial wall section form gas by section from the opposed position of described gas introduction part in the position that makes progress in week different, this gas makes gas by described inner space by being formed on the space between described madial wall section and the described large-diameter portion by section.
14. liquid surface bolt according to claim 1 is characterized in that,
Described lid is supported by described bolt body shaft.
15. a lead accumulator is characterized in that, right to use requires each described liquid surface bolt in 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204217377U CN202855840U (en) | 2012-08-23 | 2012-08-23 | Injection hole plug and lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204217377U CN202855840U (en) | 2012-08-23 | 2012-08-23 | Injection hole plug and lead storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855840U true CN202855840U (en) | 2013-04-03 |
Family
ID=47987005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204217377U Expired - Lifetime CN202855840U (en) | 2012-08-23 | 2012-08-23 | Injection hole plug and lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855840U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112842A (en) * | 2014-07-14 | 2014-10-22 | 天能集团江苏特种电源有限公司 | One-piece filling cap of storage battery |
| CN112751146A (en) * | 2019-10-31 | 2021-05-04 | 株式会社杰士汤浅国际 | Liquid tap for lead storage battery and lead storage battery |
| JP7552011B2 (en) | 2019-10-31 | 2024-09-18 | 株式会社Ｇｓユアサ | Lead-acid battery plug and lead-acid battery |
-
2012
- 2012-08-23 CN CN2012204217377U patent/CN202855840U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112842A (en) * | 2014-07-14 | 2014-10-22 | 天能集团江苏特种电源有限公司 | One-piece filling cap of storage battery |
| CN112751146A (en) * | 2019-10-31 | 2021-05-04 | 株式会社杰士汤浅国际 | Liquid tap for lead storage battery and lead storage battery |
| JP7552011B2 (en) | 2019-10-31 | 2024-09-18 | 株式会社Ｇｓユアサ | Lead-acid battery plug and lead-acid battery |
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