阅读说明：本技术 一种螺旋型蓄电池壳用除酸安全阀 (Spiral type deacidification relief valve for battery case ) 是由 韩峰 余春林 邓建军 李海彪 鲍志辉 王斌 于 2021-06-30 设计创作，主要内容包括：本发明公开了一种螺旋型蓄电池壳用除酸安全阀,涉及蓄电池生产制造技术领域。本发明包括用于蓄电池上的安全阀和滤气片；安全阀螺纹连接在蓄电池上；安全阀内部开设有用于清除酸液的螺旋排气孔；安全阀在螺旋排气孔顶部处开设有圆筒型凹槽；圆筒型凹槽顶部配合有唇型阀；安全阀顶部固定有滤气片；螺旋排气孔内壁的外侧开设有集酸槽；螺旋排气孔内壁的外侧均匀设置有阻流板。本发明通过安全阀内部设置有螺旋排气孔的作用,使得螺旋上升的气流中的酸液更加容易附着在螺旋排气孔的内壁,具有极大的降低了气体中的酸液含量的优点,从而再经过滤气片过滤时,其气体中的酸液几乎可以过滤掉了。(The invention discloses a deacidification safety valve for a spiral storage battery shell, and relates to the technical field of production and manufacturing of storage batteries. The invention comprises a safety valve and a gas filter disc used on the storage battery; the safety valve is in threaded connection with the storage battery; a spiral exhaust hole for removing acid liquor is formed in the safety valve; the safety valve is provided with a cylindrical groove at the top of the spiral exhaust hole; the top of the cylindrical groove is matched with a lip-shaped valve; the top of the safety valve is fixed with an air filter sheet; an acid collecting groove is formed on the outer side of the inner wall of the spiral exhaust hole; spoilers are uniformly arranged on the outer side of the inner wall of the spiral exhaust hole. The spiral exhaust hole is arranged in the safety valve, so that acid liquor in spirally rising air flow is more easily attached to the inner wall of the spiral exhaust hole, the spiral exhaust hole has the advantage of greatly reducing the content of the acid liquor in the air, and the acid liquor in the air can be almost filtered when the air is filtered by the air filter.)

1. A spiral type acid-removing safety valve for a storage battery shell comprises a safety valve (1) and an air filter (2) which are used on a storage battery; the safety valve (1) is in threaded connection with the storage battery; the method is characterized in that:

a spiral exhaust hole (101) for removing acid liquor is formed in the safety valve (1); the safety valve (1) is provided with a cylindrical groove (102) at the top of the spiral exhaust hole (101); the top of the cylindrical groove (102) is matched with a lip-type valve (103); and an air filter sheet (2) is fixed at the top of the safety valve (1).

2. The acid-removing safety valve for a screw-type battery case according to claim 1, wherein the screw vent hole (101) has a screw passage structure.

3. The acid-removing safety valve for a screw-type battery case according to claim 2, wherein the cross section of the screw-type air discharging hole (101) is any one of a circle, a square and a triangle.

4. The deacidification safety valve for the spiral accumulator shell according to claim 3, characterized in that an acid collecting groove (106) is arranged on the outer side of the inner wall of the spiral exhaust hole (101).

5. The deacidification safety valve for a spiral type battery shell according to claim 4, characterized in that flow blocking plates (104) are uniformly arranged on the outer side of the inner wall of the spiral exhaust hole (101).

6. The deacidification safety valve for spiral accumulator shells as claimed in claim 5, wherein said spoiler (104) is of a crescent structure.

7. The deacidification safety valve for spiral accumulator shells as claimed in claim 5, characterized in that said spoiler (104) is of "<" type construction.

8. The acid-removing safety valve for a screw-type accumulator shell as claimed in claim 5, wherein said flow blocking plate (104) is of a "e" type structure.

9. The deacidification safety valve for the spiral type accumulator shell according to the claim 6, 7 or 8, characterized in that the top and the bottom of the spiral exhaust hole (101) are provided with reserved cavities (105).

10. The deacidification safety valve for a screw type accumulator shell according to claim 9, characterized in that the bottom peripheral side of the safety valve (1) is provided with a thread (106).

Technical Field

The invention belongs to the technical field of production and manufacturing of storage batteries, and particularly relates to a deacidification safety valve for a spiral storage battery shell.

Background

In the production process of the valve-controlled sealed lead-acid storage battery, along with the charging and discharging of the storage battery, particularly in the charging process of the battery, when the internal air pressure of the battery reaches the opening of a safety valve, the gas in the battery is discharged from a valve seat hole and accompanied with acid liquor, so that the corrosion of a battery terminal, even the environmental pollution and the excessive water loss of the battery can be caused to influence the service life of the battery, therefore, the storage battery needs to be filtered by using an air filter to control the discharge of the acid liquor and the acid fog, the environmental pollution is reduced, and the cycle performance of the battery is improved.

The gas is discharged when the internal gas pressure of the battery reaches the opening state of the safety valve, so that relatively high gas pressure is obtained during discharging, and relatively high flow speed is obtained during discharging; wherein, acid liquid is easy to be included; the acidic liquid has extremely strong corrosivity, and when the acidic liquid is discharged, the acidic liquid not only corrodes the battery shell, but also has certain influence on the air filter disc; meanwhile, the service life of the storage battery and the air filter disc can be reduced, and the filtering effect of the air filter disc can be reduced. Therefore, the invention discloses an acid-removing safety valve for a spiral storage battery shell.

Disclosure of Invention

The invention aims to provide an acid-removing safety valve for a spiral storage battery shell, which enables acid liquor in spirally rising air flow to be more easily attached to the inner wall of a spiral exhaust hole under the action of the spiral exhaust hole arranged in the safety valve, thereby greatly reducing the content of the acid liquor in the air, and solving the problems of corrosion of a battery terminal, environmental pollution and reduction of the service life of a storage battery and an air filter.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a spiral deacidification safety valve for a storage battery shell, which comprises a safety valve and an air filter disc, wherein the safety valve and the air filter disc are used on a storage battery; the safety valve is in threaded connection with the storage battery; a spiral exhaust hole for removing acid liquor is formed in the safety valve; the safety valve is provided with a cylindrical groove at the top of the spiral exhaust hole; the top of the cylindrical groove is matched with a lip-shaped valve; and an air filter disc is fixed at the top of the safety valve.

When gas with relatively high flow velocity passes through the channel in the spiral exhaust hole, acid liquor and acid mist in the gas move towards the outer side under the action of centrifugal force until the gas touches the outer side of the inner wall of the spiral exhaust hole, so that the gas is attached to the outer side of the inner wall of the spiral exhaust hole; although the accumulated acidic liquid may also flow upward under the action of the gas flow; at this time, the spoiler will block its upward flow; when the gas is exhausted and the safety valve is closed, the acidic liquid flows back along the spiral exhaust hole under the action of gravity; the method has the advantages of reducing the discharge loss of acid liquid in the storage battery, prolonging the service life of the storage battery and reducing the influence of acid liquid on the air filter.

Further, the spiral exhaust hole adopts a spiral channel structure.

Further, the cross section of the spiral exhaust hole is any one of a circle, a square and a triangle.

Furthermore, an acid collecting groove is formed in the outer side of the inner wall of the spiral exhaust hole, the movable outer diameter of the spiral is increased to a certain extent under the action of the acid collecting groove, and centrifugal force is increased relatively, so that acid liquor and acid mist can be attached to the outer side of the inner wall of the spiral exhaust hole more easily.

Furthermore, spoilers are uniformly arranged on the outer side of the inner wall of the spiral exhaust hole; the purpose of the flow blocking plate is to enable the accumulated acidic liquid to flow upwards under the action of the gas flow; at this point, the spoiler will block its upward flow.

Furthermore, the spoiler adopts a crescent structure.

Furthermore, the spoiler adopts a '<' type structure.

Further, the spoiler adopts an E-shaped structure.

Furthermore, the top and the bottom of the spiral exhaust hole are both provided with a reserved cavity.

Furthermore, the peripheral side surface of the bottom of the safety valve is provided with threads.

The invention has the following beneficial effects:

1. according to the invention, the spiral exhaust hole is arranged in the safety valve, so that acid liquor in spirally rising air flow is more easily attached to the inner wall of the spiral exhaust hole, the acid liquor content in the air is greatly reduced, and the acid liquor in the air can be almost filtered when the air is filtered by the air filter; the problem of acidizing fluid discharge is solved, have the emission of control acidizing fluid, acid mist, reduce the pollution of environment, improve the cycle performance of battery to and avoid the filter effect of air filter to show the advantage that reduces.

2. The invention increases the movable outer diameter of the spiral to a certain extent through the action of the acid collecting groove, and relatively increases the centrifugal force, so that acid liquor and acid mist are more easily attached to the outer side of the inner wall of the spiral exhaust hole.

3. The invention has the advantages that the baffle plate has the function of enabling the accumulated acidic liquid to flow upwards under the action of gas flow; at this point, the spoiler will block its upward flow.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view showing the internal structure of an acid-removing safety valve for a screw-type battery case according to the present invention;

FIG. 2 is a schematic view showing an internal structure of the safety valve;

FIG. 3 is a schematic view of the safety valve in a bottom view;

FIG. 4 is a schematic view of the safety valve in a top view;

FIG. 5 is a schematic cross-sectional view of a spiral vent hole and an acid collecting tank according to a first embodiment;

FIG. 6 is a schematic cross-sectional view of a spiral exhaust hole, an acid collecting tank and a flow blocking plate according to an embodiment;

FIG. 7 is a schematic perspective view of a spiral exhaust hole and a flow blocking plate of a "<" -shaped structure according to a second embodiment;

FIG. 8 is a schematic perspective view of the spiral exhaust holes and the baffles of E-shaped structure in the second embodiment;

FIG. 9 is a schematic cross-sectional view of a spiral exhaust hole and a spoiler in accordance with a third embodiment;

in the drawings, the components represented by the respective reference numerals are listed below:

1-safety valve, 2-air filter, 101-spiral exhaust hole, 102-cylindrical groove, 103-lip valve, 104-spoiler, 105-reserved cavity and 106-acid collecting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Example one

Referring to fig. 1 to 6, the present invention relates to a spiral type acid-removing safety valve for a battery case, which includes a safety valve 1 and an air filter 2 for a battery; the safety valve 1 is connected to the storage battery through threads; a spiral exhaust hole 101 for removing acid liquor is formed in the safety valve 1; the safety valve 1 is provided with a cylindrical groove 102 at the top of the spiral exhaust hole 101; the top of the cylindrical groove 102 is matched with a lip valve 103; the top of the safety valve 1 is fixed with an air filter 2.

When gas with relatively high flow velocity passes through the channel in the spiral exhaust hole 101, acid liquor and acid mist in the gas move towards the outer side under the action of centrifugal force until the gas touches the outer side of the inner wall of the spiral exhaust hole 101, so that the gas is attached to the outer side of the inner wall of the spiral exhaust hole 101; although the accumulated acidic liquid may also flow upward under the action of the gas flow; at this point, the spoiler 104 will block its upward flow; when the gas discharge is completed and the safety valve is closed, the acidic liquid flows back along the spiral vent hole 101 under the action of gravity; the method has the advantages of reducing the discharge loss of acid liquid in the storage battery, prolonging the service life of the storage battery and reducing the influence of acid liquid on the air filter.

Preferably, the spiral exhaust hole 101 adopts a spiral passage structure.

Preferably, the cross-section of the spiral vent hole 101 is circular.

Preferably, the outer side of the inner wall of the spiral exhaust hole 101 is provided with an acid collecting groove 106, and the action of the acid collecting groove 106 increases the movable outer diameter of the spiral to a certain extent, so that the centrifugal force is relatively increased, and the acid liquor and the acid mist are more easily attached to the outer side of the inner wall of the spiral exhaust hole 101.

Preferably, the bottom peripheral side surface of the safety valve 1 is provided with a thread 106.

Example two

Referring to fig. 1 to 4 and fig. 7 to 8, the present invention relates to a spiral type acid-removing safety valve for a battery case, which includes a safety valve 1 and an air filter 2 for a battery; the safety valve 1 is connected to the storage battery through threads; a spiral exhaust hole 101 for removing acid liquor is formed in the safety valve 1; the safety valve 1 is provided with a cylindrical groove 102 at the top of the spiral exhaust hole 101; the top of the cylindrical groove 102 is matched with a lip valve 103; the top of the safety valve 1 is fixed with an air filter 2.

When gas with relatively high flow velocity passes through the channel in the spiral exhaust hole 101, acid liquor and acid mist in the gas move towards the outer side under the action of centrifugal force until the gas touches the outer side of the inner wall of the spiral exhaust hole 101, so that the gas is attached to the outer side of the inner wall of the spiral exhaust hole 101; although the accumulated acidic liquid may also flow upward under the action of the gas flow; at this point, the spoiler 104 will block its upward flow; when the gas discharge is completed and the safety valve is closed, the acidic liquid flows back along the spiral vent hole 101 under the action of gravity; the method has the advantages of reducing the discharge loss of acid liquid in the storage battery, prolonging the service life of the storage battery and reducing the influence of acid liquid on the air filter.

Preferably, the spiral exhaust hole 101 adopts a spiral passage structure.

Preferably, the cross-section of the spiral vent hole 101 is square.

Preferably, spoilers 104 are uniformly arranged on the outer side of the inner wall of the spiral exhaust hole 101; the purpose of the baffle 104 is to allow the accumulated acidic liquid to flow upward, possibly also under the action of the gas flow; at this point, the spoiler 104 will block its upward flow.

Preferably, the spoiler 104 takes a "<" type configuration.

Preferably, the spoiler 104 employs an E-type structure.

Preferably, the top and the bottom of the spiral exhaust hole 101 are both opened with a reserved cavity 105.

Preferably, the bottom peripheral side surface of the safety valve 1 is provided with a thread 106.

EXAMPLE III

Referring to fig. 1 to 4 and fig. 9, the present invention relates to a spiral type acid-removing safety valve for a battery case, which includes a safety valve 1 and an air filter 2 for a battery; the safety valve 1 is connected to the storage battery through threads; a spiral exhaust hole 101 for removing acid liquor is formed in the safety valve 1; the safety valve 1 is provided with a cylindrical groove 102 at the top of the spiral exhaust hole 101; the top of the cylindrical groove 102 is matched with a lip valve 103; the top of the safety valve 1 is fixed with an air filter 2.

When gas with relatively high flow velocity passes through the channel in the spiral exhaust hole 101, acid liquor and acid mist in the gas move towards the outer side under the action of centrifugal force until the gas touches the outer side of the inner wall of the spiral exhaust hole 101, so that the gas is attached to the outer side of the inner wall of the spiral exhaust hole 101; although the accumulated acidic liquid may also flow upward under the action of the gas flow; at this point, the spoiler 104 will block its upward flow; when the gas discharge is completed and the safety valve is closed, the acidic liquid flows back along the spiral vent hole 101 under the action of gravity; the method has the advantages of reducing the discharge loss of acid liquid in the storage battery, prolonging the service life of the storage battery and reducing the influence of acid liquid on the air filter.

Preferably, the spiral exhaust hole 101 adopts a spiral passage structure.

Preferably, the cross-section of the spiral vent hole 101 is triangular.

Preferably, the outer side of the inner wall of the spiral exhaust hole 101 is provided with an acid collecting groove 106, and the action of the acid collecting groove 106 increases the movable outer diameter of the spiral to a certain extent, so that the centrifugal force is relatively increased, and the acid liquor and the acid mist are more easily attached to the outer side of the inner wall of the spiral exhaust hole 101.

Preferably, spoilers 104 are uniformly arranged on the outer side of the inner wall of the spiral exhaust hole 101; the purpose of the baffle 104 is to allow the accumulated acidic liquid to flow upward, possibly also under the action of the gas flow; at this point, the spoiler 104 will block its upward flow.

Preferably, the top and the bottom of the spiral exhaust hole 101 are both opened with a reserved cavity 105.

Preferably, the bottom peripheral side surface of the safety valve 1 is provided with a thread 106.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.