CN212934706U

CN212934706U - Formation kettle for lead-acid storage battery

Info

Publication number: CN212934706U
Application number: CN202021536218.6U
Authority: CN
Inventors: 杨红军; 封雷; 刘明程; 冯克召; 赵雪; 张麒
Original assignee: Fengfan Co Ltd
Current assignee: Fengfan Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-09
Anticipated expiration: 2030-07-29

Abstract

The utility model provides a lead acid battery is with becoming kettle belongs to the battery technology field, including the kettle body and air release cock, the kettle body hu zui department inner wall divide into first wall and second wall, and first wall and second wall encircle the axis setting of the kettle body, be equipped with at least one recess on the first wall, the recess is used for communicateing kettle body inner chamber and battery inner chamber, the second wall is smooth curved surface; the air release plug is arranged at the top of the kettle body, a switch valve is arranged at an air release port of the air release plug and is used for being opened when the air pressure in the kettle body is greater than a preset pressure and being closed when the air pressure in the kettle body is equal to or less than the preset pressure. The utility model discloses lead acid battery is with forming upper portion and the internal chamber of kettle intercommunication of kettle recess, lower part and battery intercommunication for internal chamber of kettle is unanimous with battery chamber atmospheric pressure, makes the acidizing fluid flow back to in the battery, prevents that the acidizing fluid is excessive, has improved the formation quality of battery.

Description

Formation kettle for lead-acid storage battery

Technical Field

The utility model belongs to the technical field of the battery, more specifically say, relate to a lead acid battery is with becoming kettle.

Background

The accumulator becomes to be one important process that non-maintaining lead acid battery is indispensable in process of production, the battery becomes the charging process that the process is exactly the battery, and along with the battery charging process, there is a large amount of gas to appear, when gaseous appearing, can cause the acidizing fluid to spill over into in the kettle, become the completion back, the liquid level decline of acidizing fluid reaches the hu zui department that becomes the kettle, the acidizing fluid siltation is difficult to the battery that flows back in hu zui department, long-term accumulational acidizing fluid in hu zui department can cause the acidizing fluid to spill acid from the junction of hu zui and battery installing port, reduce the formation quality of battery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lead acid battery is with becoming kettle, aim at solving current acidizing fluid and pile up being difficult to at kettle mouth department and flowing back to the battery, and then lead to the easy excessive technical problem of acidizing fluid.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a formation kettle for a lead-acid storage battery, comprising:

the inner wall of the kettle mouth of the kettle body is divided into a first wall surface and a second wall surface, the first wall surface and the second wall surface are arranged around the axis of the kettle body, at least one groove is formed in the first wall surface and used for communicating the inner cavity of the kettle body with the inner cavity of the storage battery, and the second wall surface is a smooth curved surface; and

the air release plug is arranged at the top of the kettle body, a switch valve is arranged at an air release port of the air release plug and is used for being opened when the air pressure in the kettle body is greater than a preset pressure and being closed when the air pressure in the kettle body is equal to or less than the preset pressure.

As another embodiment of the present application, the kettle body comprises:

the outer leakage section is positioned outside the storage battery, ribs are arranged on the periphery of the outer leakage section, and the ribs are axially parallel to the kettle body; and

the mounting section is arranged at the bottom of the outer leakage section and is used for being connected with a mounting opening of a storage battery, threads are arranged on the periphery of the mounting section, and the mounting section forms the spout.

As another embodiment of this application, the installing section periphery is equipped with the seal groove, install the sealing washer on the seal groove.

As another embodiment of the present application, the exhaust port is in a hole shape, and an axis of the exhaust port is perpendicular to an axis of the exhaust plug;

the switch valve is rotatably connected with the side wall of the exhaust port, a rotating shaft of the switch valve is perpendicular to the axis of the exhaust port, a reset device is arranged in the exhaust bolt, and the reset device is used for controlling the switch valve to be closed when the air pressure in the kettle body is equal to or less than a preset pressure.

As another embodiment of the application, a fixed seat is inserted in the top of the kettle body in an interference manner, and the exhaust bolt is in threaded connection with the fixed seat.

As another embodiment of the present application, a plurality of annular protrusions are disposed on the periphery of the fixing base, and the protrusions abut against the inner wall of the kettle body.

As another embodiment of this application, adjacent two form the mounting groove between the arch, be equipped with the rubber circle in the mounting groove.

As another embodiment of the application, the inner side of the top of the kettle body is provided with an introduction chamfer.

As another embodiment of the application, the lead-in chamfer is 18-22 degrees.

The utility model provides a lead acid battery becomes kettle with beneficial effect lies in: compared with the prior art, the formation kettle for the lead-acid storage battery is connected with the mounting port on the storage battery, gas is gradually discharged into the kettle body in the formation process of the storage battery, when the gas in the kettle body reaches a certain amount, so that the air pressure in the kettle body is greater than the preset pressure, the switch valve is opened, and the gas in the kettle body is discharged outwards through the exhaust cock; the pressure in the storage battery rises during the gas in the kettle body is discharged, the acid liquor overflows into the kettle body gradually, the switch valve is closed when the gas is discharged until the air pressure in the kettle body is equal to or less than the preset pressure, the liquid level of the acid liquor in the kettle body is reduced and is positioned at the kettle nozzle, and the groove is communicated with the inner cavities of the kettle body and the storage battery, so that the acid liquor flows back to the storage battery. The utility model discloses lead acid battery is with forming the kettle and passing through the ooff valve with external and the internal separation of kettle after the exhaust, because the density of acidizing fluid is higher, and the recess is not the cyclic annular distribution, therefore, under the effect of acidizing fluid surface tension, can not get into the acidizing fluid in the recess, the upper portion and the internal chamber of kettle intercommunication of recess, lower part and battery intercommunication make internal chamber of kettle unanimous with battery chamber atmospheric pressure, make the acidizing fluid flow back to in the battery, prevent that the acidizing fluid from piling up in kettle mouth department for a long time and causing the overflow, the formation quality of battery has been improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a sectional structure of a formation kettle for a lead-acid storage battery provided in an embodiment of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

fig. 3 is a schematic bottom view of a formation kettle for a lead-acid storage battery according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a resetting device according to an embodiment of the present invention, taken along line B-B in fig. 1.

In the figure: 1. a kettle body; 101. an outer leakage section; 102. an installation section; 2. an air venting plug; 3. a groove; 4. an on-off valve; 5. ribs; 6. a sealing groove; 7. a seal ring; 8. an exhaust port; 9. a resetting device; 901. connecting ropes; 902. a gravity block; 10. a hanging rod; 11. a fixed seat; 12. a protrusion; 13. mounting grooves; 14. a rubber ring; 15. introducing a chamfer; 16. a first wall surface; 17. a second wall surface.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4 together, a formation kettle for a lead-acid storage battery according to the present invention will now be described. The lead-acid storage battery formation kettle comprises a kettle body 1 and a vent cock 2, wherein the inner wall of a kettle mouth of the kettle body 1 is divided into a first wall surface 16 and a second wall surface 17, the first wall surface 16 and the second wall surface 17 are arranged around the axis of the kettle body 1, at least one groove 3 is formed in the first wall surface 16 and is used for communicating the inner cavity of the kettle body 1 with the inner cavity of a storage battery, and the second wall surface 17 is a smooth curved surface; the vent cock 2 is arranged at the top of the kettle body 1, a switch valve 4 is arranged at the vent of the vent cock 2, and the switch valve 4 is used for opening when the air pressure in the kettle body 1 is greater than the preset pressure and closing when the air pressure in the kettle body 1 is equal to or less than the preset pressure.

The utility model provides a lead acid battery is with forming kettle, compare with prior art, the utility model discloses lead acid battery is with forming kettle is connected with the installing port on the battery, and in the battery formation process, gas discharges into the inside of the kettle body 1 gradually, and when the gas of the internal portion of kettle 1 reached a certain amount and made the atmospheric pressure of the internal portion of kettle 1 be greater than preset pressure, ooff valve 4 opened, and the gas of the internal portion of kettle 1 outwards exhausts through air release cock 2; the pressure in the storage battery rises during the gas in the kettle body 1 is discharged, acid liquor overflows into the kettle body 1 gradually, the switch valve 4 is closed when the gas is discharged until the air pressure in the kettle body 1 is equal to or less than the preset pressure, and the liquid level of the acid liquor in the kettle body 1 is reduced and is positioned at the kettle nozzle, so that the acid liquor flows back to the storage battery due to the fact that the groove 3 is communicated with the inner cavities of the kettle body 1 and the storage battery. The utility model discloses lead acid battery is with forming the kettle and passing through ooff valve 4 with external and the internal 1 inside separation of kettle after the exhaust, because the density of acidizing fluid is higher, and recess 3 is not the cyclic annular distribution, therefore, under the effect of acidizing fluid surface tension, can not get into the acidizing fluid in the recess 3, the upper portion and the 1 inner chamber of the kettle body intercommunication of recess 3, lower part and battery intercommunication, make 1 inner chamber of the kettle body unanimous with battery inner chamber atmospheric pressure, make the acidizing fluid flow back to in the battery, prevent that the acidizing fluid from piling up in kettle mouth department for a long time and causing the overflow, the formation quality of.

Preferably, the long axis of the groove 3 is parallel to the axis of the kettle body 1; first wall 16 and second wall 17 all account for half of casing 1 bottom inner wall, two splice sections equallys divide promptly, when being equipped with a plurality of recesses 3 on first wall 16, a plurality of recesses 3 evenly distributed.

As a specific implementation manner of the lead-acid storage battery formation kettle provided by the present invention, please refer to fig. 1 and 3, the kettle body 1 includes an outer leakage section 101 and an installation section 102, the outer leakage section 101 is located outside the storage battery, the periphery of the outer leakage section 101 is provided with ribs 5, and the ribs 5 are axially parallel to the kettle body 1; the mounting section 102 is arranged at the bottom of the outer leakage section 101 and is used for being connected with a mounting opening of a storage battery, threads are arranged on the periphery of the mounting section 102, and the mounting section 102 forms a spout. The threads on the periphery of the mounting section 102 are connected with the mounting port on the storage battery, so that the mounting and dismounting are convenient, and the connection stability can be ensured; when the kettle body 1 is screwed for installation, the outer periphery of the outer leakage section 101 can be clamped by hands or clamps for installation, and the ribs 5 on the outer periphery of the outer leakage section 101 can increase friction force and reduce installation strength.

As a specific implementation manner of the lead-acid storage battery formation kettle provided by the present invention, please refer to fig. 1, a sealing groove 6 is disposed at the periphery of the mounting section 102, and a sealing ring 7 is mounted on the sealing groove 6. Preferably, the sealing ring 7 is a rubber member, and on the basis that the mounting section 102 is in threaded connection with the mounting opening of the storage battery, the sealing ring 7 in the groove 3 can be extruded on the inner wall of the mounting opening, so that the sealing performance between the mounting section 102 and the mounting opening of the storage battery is improved, and acid leakage from a gap between the mounting section 102 and the connecting thread of the mounting opening is prevented when acid solution overflows into the kettle body 1.

As a specific embodiment of the forming kettle for the lead-acid storage battery provided by the present invention, please refer to fig. 1 to 2 and 4, the exhaust port 8 is in a hole shape, and the axis of the exhaust port 8 is perpendicular to the axis of the exhaust bolt 2; the switch valve 4 is rotatably connected with the side wall of the exhaust port 8, the rotating shaft of the switch valve 4 is perpendicular to the axis of the exhaust port 8, the exhaust bolt 2 is internally provided with a resetting device 9, and the resetting device 9 is used for controlling the switch valve 4 to be closed when the air pressure in the kettle body 1 is equal to or less than the preset pressure. Preferably, the exhaust port 8 may be a circular hole or a square hole.

In an initial state, the kettle body 1 is arranged on an installation port of a storage battery, an inner cavity of the kettle body 1 is communicated with the storage battery, and the switch valve 4 is in a closed state; in the storage battery formation process, gas is gradually generated and flows into the kettle body 1, when the gas reaches a certain amount, the air pressure inside the kettle body 1 is higher than a preset pressure (namely, the external air pressure, when the device is in a natural environment, the preset air pressure is atmospheric pressure, and the preset pressure is the same as the external pressure), the internal pressure is higher than the external pressure to push the switch valve 4 to rotate and open the switch valve 4 to exhaust the gas outwards, and the reset device 9 controls the switch valve 4 to close when the air pressure inside the kettle body 1 is equal to or lower than the preset pressure.

The switch of the switch valve 4 can be conveniently adjusted through the pressure difference inside and outside the kettle body 1 through the reset device 9 without manual opening and closing, thereby reducing the labor intensity.

As a specific implementation manner of the lead-acid storage battery formation kettle provided by the present invention, please refer to fig. 4, the reset device 9 includes a connection rope 901 and a gravity block 902, one end of the connection rope 901 is connected with the free end of the switch valve 4, and a hanging rod 10 for overlapping the connection rope 901 is arranged in the exhaust cock 2; the gravity block 902 is connected to the other end of the connecting string 901 and is in a drooping state.

In an initial state, the kettle body 1 is arranged on an installation port of a storage battery, the inner cavity of the kettle body 1 is communicated with the storage battery, due to the gravity action of the gravity block 902, the gravity block 902 pulls the connecting rope 901 to enable the connecting rope 901 to tighten the free end of the switch valve 4, and at the moment, the switch valve 4 is covered on the exhaust port 8 and is in a closed state; during the formation process of the storage battery, gas is gradually generated and flows into the kettle body 1, when the gas reaches a certain amount, the air pressure in the kettle body 1 is greater than the preset pressure, and the air pressure generated by the pressure difference is greater than the gravity of the gravity block 902, the switch valve 4 is pushed to rotate, the switch valve 4 rotates around the rotating shaft, the free end of the switch valve is far away from the side wall of the exhaust port 8, the connecting rope 901 is driven to slide on the hanging rod 10 in the second process, the height of the gravity block 902 rises, and the switch valve 4 is opened to exhaust; when the air pressure in the kettle body 1 is equal to or lower than the preset pressure, the air pressure generated by the pressure difference is smaller than the gravity of the gravity block 902, the gravity block 902 slides downwards and the height is reduced, the connecting rope 901 is pulled to slide on the hanging rod 10, the free end of the switch valve 4 is driven to be close to the exhaust port 8 and cover the exhaust port 8, and the switch valve 4 is closed.

Through the device can be simple realize the automatically opened and close of ooff valve 4 under different states, this structure is pure mechanical structure moreover, does not need electric power to support, can also prevent the emergence of electric leakage accident when reducing the energy consumption.

As a specific embodiment of the lead-acid storage battery formation kettle provided by the present invention, please refer to fig. 1 to 2, a fixing base 11 is inserted into the top of the kettle body 1 in an interference manner, and a venting bolt 2 is connected with the fixing base 11 by a screw thread. When in installation, the fixed seat 11 is connected with the top of the kettle body 1, and then the vent bolt 2 is in threaded connection with the fixed seat 11; because the vent bolt 2 needs to be cleaned frequently, if the vent bolt 2 is directly connected with the kettle body 1, the top of the kettle body 1 is damaged due to frequent disassembly, the service life of the kettle body 1 is shortened, and the replacement cost of the kettle body 1 is higher; through the installation of the fixed seat 11, the fixed seat 11 and the kettle body 1 are not frequently disassembled, the replacement cost is low, and the production cost is reduced.

Because the fixing seat 11 does not need to be frequently disassembled, the fixing seat 11 and the kettle body 1 are in interference fit, so that the installation stability of the vent bolt 2 can be improved, and air leakage is prevented.

As a specific embodiment of the lead-acid storage battery formation kettle provided by the present invention, please refer to fig. 1 to 2, a plurality of annular protrusions 12 are disposed at the periphery of the fixing base 11, and the protrusions 12 abut against the inner wall of the kettle body 1. The arrangement of the bulge 12 reduces the contact area between the peripheral surface of the fixed seat 11 and the inner wall of the kettle body 1, the regulation is convenient to shake left and right in the installation process, and the installation difficulty is reduced.

As a specific implementation manner of the lead-acid storage battery formation kettle provided by the present invention, please refer to fig. 1 to 2, a mounting groove 13 is formed between two adjacent protrusions 12, and a rubber ring 14 is disposed in the mounting groove 13. The interference fit between the fixing seat 11 and the kettle body 1 can be realized by the extrusion of the rubber ring 14 and the inner wall of the kettle body 1, so that the rigid contact between the fixing seat 11 and the kettle body 1 can be reduced, the damage of the kettle body 1 can be prevented, the service life of the kettle body 1 can be prolonged, the sufficient connection stability and the sealing property between the fixing seat 11 and the kettle body 1 can be ensured, and the acid gas is prevented from overflowing.

As a specific embodiment of the lead-acid storage battery formation kettle provided by the present invention, please refer to fig. 1 to 2, the inner side of the top of the kettle body 1 is provided with an introduction chamfer 15. Preferably, the lead-in chamfer 15 is a fillet, the lead-in chamfer 15 is a chamfer at the junction of the inner wall of the pot body 1 and the top of the pot body 1, the lead-in chamfer 15 is convenient to be directly prevented from being arranged at the top of the pot body 1 when the fixing seat 11 is installed, and then the fixing seat 11 is connected with the top of the pot body 1 in a twisting, pressing and other modes, so that the installation is convenient; if introduce chamfer 15 and be the right angle, when installation fixing base 11, rubber circle 14 can frequently rub with the right angle, cause rubber circle 14 to damage, influence sealed effect, and introduce chamfer 15 and be the fillet, can prevent that rubber circle 14 from being crushed when the installation.

As a specific embodiment of the lead-acid storage battery formation kettle provided by the present invention, please refer to fig. 1 to 2, and the lead-in chamfer 15 is 18 to 22 °. Preferably, the angle of the lead-in chamfer 15 is 20 degrees, the chamfer length is 1.5mm, and the arc of the corner R0.8mm; the introduced chamfer 15 in the size range can ensure the pressing force of the rubber ring 14 in the installation process, prevent the top of the fixed seat 11 from shaking to influence the exhaust effect of the exhaust bolt 2, and prevent the rubber ring 14 from being crushed during installation.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Lead acid battery is with becoming kettle, its characterized in that includes:

2. The lead-acid battery formation kettle of claim 1, wherein the kettle body comprises:

3. The pot for forming lead-acid storage batteries according to claim 2, wherein a sealing groove is provided on the periphery of said mounting section, and a sealing ring is mounted on said sealing groove.

4. The lead-acid battery pot of claim 1, wherein said vent is in the form of a hole, the axis of said vent being perpendicular to the axis of said vent pin;

5. The lead-acid battery formation kettle as claimed in claim 1, wherein a fixing seat is inserted into the top of the kettle body in an interference manner, and the venting bolt is in threaded connection with the fixing seat.

6. The pot as claimed in claim 5, wherein the holder has a plurality of annular protrusions on its periphery, and the protrusions abut against the inner wall of the pot body.

7. The pot for forming lead-acid storage batteries according to claim 6, wherein an installation groove is formed between two adjacent protrusions, and a rubber ring is arranged in the installation groove.

8. The pot for forming lead-acid battery as claimed in claim 7, wherein the inside of the top of the pot body is provided with a lead-in chamfer.

9. The lead-acid battery formation kettle according to claim 8, wherein the lead-in chamfer is 18-22 °.