Valve-regulated lead-acid storage battery formation acid pot

Abstract

The utility model relates to a valve-regulated lead-acid storage battery formation acid pot. Belongs to the technical field of lead-acid storage battery production and manufacturing. The acid pot mainly solves the problems of electrolyte overflow, inconsistent acid amount per unit cell, electrolyte pollution and the like caused by poor sealing of the acid pot and a battery liquid injection hole in the formation process. The acid kettle is mainly characterized by comprising an acid kettle cap, an acid kettle body and an acid kettle cushion cover, wherein the inner diameter of the upper part of the acid kettle body is matched with the acid kettle cap; the lower part of the acid pot body adopts a cylindrical structure, and the outer diameter of the lower part is matched with that of the acid pot cushion cover; the acid pot cushion cover is provided with a through hole matched with the outer diameter of the lower part of the acid pot body, and a top circular ring body matched with the step cavity at the top of the liquid injection hole and a mounting circular ring body tightly matched with the threaded cavity of the liquid injection hole are arranged outside the acid pot cushion cover. The acid pot has the characteristics of reducing the operation difficulty, improving the installation efficiency of the acid pot, improving the sealing performance of the acid pot and a battery liquid injection hole and improving the product quality, and is mainly used for the formation process of the valve-regulated lead-acid storage battery.

Description

Technical Field

[0001] The utility model belongs to the technical field of lead-acid battery production and manufacturing, and specifically relates to a valve-regulated lead-acid battery formation acid pot, which is used for sealing the acid pot and a battery injection hole when the valve-regulated lead-acid battery is formed, and slows down / eliminates electrolyte overflow from the connection between the acid pot and the battery injection hole during the battery formation process. Background Art

[0002] Battery formation is an indispensable process in the lead-acid battery assembly process. During the formation process of valve-regulated lead-acid batteries, the electrolyte often overflows from the injection hole, causing electrolyte contamination, single-cell continuity, single-cell acid reduction, inconsistency, etc.

[0003] The general solution is to install an acid pot before formation so that the electrolyte remains in the acid pot. The traditional installation method of the acid pot is a spiral tightening method, such as Figures 1 to 4 As shown, it is composed of an acid pot cap 1, an acid pot body 2 and an acid pot gasket 3. The lower part of the acid pot body 2 adopts a threaded design. Since the spiral installation will inevitably cause a channel to be formed at the screw seam, the sealing of the acid pot and the injection hole 5 is sealed only by a layer of rubber gasket. Therefore, in actual production, the acid pot is complicated to install, the production cycle is long, and the connection between the acid pot and the injection hole is prone to leakage. This leads to problems such as inconsistent single-cell acid amount and electrolyte pollution. Summary of the invention

[0004] The purpose of the utility model is to solve the deficiencies of the above-mentioned prior art, thereby providing a valve-regulated lead-acid battery acid forming kettle, which can reduce the difficulty of operation, improve the efficiency of acid kettle installation, improve the sealing between the acid kettle and the battery injection hole, improve product quality, and avoid the problems of inconsistent single-cell acid amount and electrolyte contamination caused by acid overflowing from the injection hole.

[0005] The technical solution of the utility model is: a valve-regulated lead-acid battery acid pot, comprising an acid pot cap and an acid pot body, the inner diameter of the upper part of the acid pot body matches the acid pot cap, and is characterized in that: it also includes an acid pot cushion sleeve; the lower part of the acid pot body adopts a cylindrical structure, and its outer diameter matches the acid pot cushion sleeve; the acid pot cushion sleeve is provided with a through hole matching the outer diameter of the lower part of the acid pot body, and the outside of the acid pot cushion sleeve is provided with a top annular body matching the top step cavity of the injection hole and a mounting annular body tightly matching the threaded cavity of the injection hole.

[0006] The installation annular body described in the technical solution of the utility model comprises an installation top annular body corresponding to the top of the thread, an installation middle body with a gap in the middle corresponding to the middle of the thread, and an installation bottom annular body corresponding to the bottom of the thread.

[0007] The installation middle body described in the technical solution of the utility model is Type structure.

[0008] The outer diameter of the top annular body described in the technical solution of the utility model is larger than the inner diameter of the thread of the injection hole and smaller than the inner diameter of the step cavity at the top of the injection hole.

[0009] The outer diameter of the mounting top annular body in the technical solution of the utility model is slightly larger than the inner diameter of the top thread of the injection hole; the outer diameter of the mounting bottom annular body is slightly larger than the inner diameter of the bottom thread of the injection hole.

[0010] The height of the top mounting ring body in the technical solution of the utility model is at least greater than the distance between two layers of thread lines; the height of the bottom mounting ring body is equal to the distance between two layers of thread lines.

[0011] The utility model adopts a valve-controlled lead-acid battery acid forming kettle composed of an acid kettle cap, an acid kettle body and an acid kettle cushion sleeve, wherein the acid kettle cap is the same as the existing acid kettle cap and matches the upper inner diameter of the acid kettle body, and the acid kettle body is different from the existing acid kettle body in that the lower part adopts a cylindrical structure, the outer diameter of the cylindrical structure matches the acid kettle cushion sleeve, the acid kettle cushion sleeve is provided with a through hole matching the outer diameter of the lower part of the acid kettle body, and the acid kettle cushion sleeve is provided with a top annular body matching the top step cavity of the injection hole and a mounting annular body tightly matching the threaded cavity of the injection hole. Therefore, when injecting acid, only the utility model needs to be inserted into the injection hole to achieve a tight fit between the mounting annular body and the injection hole, which can not only prevent the acid kettle from moving freely and falling, but also achieve double sealing between the top annular body and the mounting annular body and the injection hole. After the acid injection is completed, the utility model can be directly inserted, and after the formation is completed, the utility model can be directly pulled out.

[0012] The utility model has the characteristics of reducing the difficulty of operation, improving the efficiency of installing the acid pot, improving the sealing performance between the acid pot and the battery injection hole and improving the product quality, and is mainly used in the formation process of valve-regulated lead-acid batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structural decomposition of a traditional valve-regulated lead-acid battery acid formation kettle.

[0014] Figure 2 is a cross-sectional view of a conventional acid pot gasket.

[0015] Figure 3 It is a schematic diagram of the traditional valve-regulated lead-acid battery acid formation pot after assembly.

[0016] Figure 4 It is a schematic diagram of the lower part of the acid formation pot of a traditional valve-regulated lead-acid battery after being matched with the injection hole.

[0017] Figure 5 The utility model is a schematic diagram of the structure decomposition of a valve-regulated lead-acid battery forming acid pot.

[0018] Figure 6 It is a cross-sectional view of the acid kettle cushion sleeve of the utility model.

[0019] Figure 7 The utility model is a schematic diagram of an assembled acid forming kettle for a valve-regulated lead-acid battery.

[0020] Figure 8 The utility model is a schematic diagram of the lower half of the acid forming pot of a valve-regulated lead-acid storage battery after being matched with a liquid injection hole.

[0021] In the figure: 1-acid pot cap; 2-acid pot body; 3-acid pot gasket; 5-liquid injection hole; 9-acid pot body; 10-acid pot gasket. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that similar numbers and letters represent similar items in the drawings. In the description of the present utility model, it should be understood that the terms "upper", "lower", "top", "bottom", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the equipment or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model.

[0024] The specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings.

[0025] like Figures 5 to 8 As shown, the utility model is an embodiment of a valve-regulated lead-acid battery acid forming kettle, which is mainly composed of an acid kettle cap 1, an acid kettle body 9 and an acid kettle cushion sleeve 10, wherein the acid kettle cap 1 is consistent with the acid kettle cap 1 of a traditional valve-regulated lead-acid battery acid forming kettle, the acid kettle cap 1 is matched with the upper inner diameter of the acid kettle body 9, can be reused, and reduce the renewal cost of the acid kettle.

[0026] The upper part of the acid pot body 9 is consistent with the upper part of the acid pot body 2 of the traditional valve-regulated lead-acid battery acid pot, and the inner diameter matches the acid pot cap 1. The lower part of the acid pot body 9 adopts a cylindrical structure, and the threaded design of the lower part of the acid pot body 2 is cancelled. The outer diameter of the lower part of the acid pot body 9 matches the acid pot gasket 10.

[0027] The interior of the acid pot gasket 10 is provided with a through hole matched with the outer diameter of the lower part of the acid pot body 9, and the exterior adopts a multi-level structure, including a top annular body and an installation annular body. Wherein, the top annular body is the annular structure of the uppermost layer of the acid pot gasket 10, which matches the step cavity at the top of the injection hole 5, and the outer diameter should be larger than the inner diameter of the thread top of the injection hole 5 and smaller than the upper inner diameter of the injection hole 5, so as to achieve the upper sealing of the injection hole 5, which is consistent with the sealing effect of the acid pot gasket 3 of the traditional valve-controlled lead-acid battery acid pot. The installation annular body is tightly matched with the thread cavity of the injection hole 5, and the installation annular body includes an installation top annular body corresponding to the top of the thread, an installation middle body with a gap in the middle corresponding to the middle of the thread, and an installation bottom annular body corresponding to the bottom of the thread. The top annular body is installed as the second annular structure of the acid pot cushion sleeve 10, and its outer diameter should be slightly larger than the inner diameter of the top of the thread of the injection hole 5, and its height should be at least larger than the distance between the two layers of thread lines, so as to achieve a tight fit between the acid pot cushion sleeve 10 and the injection hole 5 to prevent the acid pot from moving freely and falling. Type structure, is made of upper and lower two conical annular bodies, forms a gap in the centre.The installation bottom annulus is the annular structure of the fourth floor of acid pot cushion cover 10, its external diameter should be slightly larger than the internal diameter at the bottom of injection hole 5 threads, and its height should equal the width of the bottom of two upper and lower thread lines, so as to realize the sealing effect of the bottom of the acid pot cushion cover 10 and the bottom of injection hole 5 threads, plays the secondary sealing effect of acid pot cushion cover 10 and injection hole 5.The main effect of installing the middle body is to connect the top annulus and install the bottom annulus, and absorb stress when the bottom annulus is deformed, prevent the installation top annulus from deforming and causing the problem of coordinating looseness with injection hole 5.

[0028] The installation mode of the utility model and the liquid injection hole is a "plug-in" type, which does not need to be tightened, reduces the difficulty of operation, and reduces the operation time.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A valve-regulated lead-acid battery acid forming kettle, comprising an acid kettle cap (1) and an acid kettle body (9), wherein the inner diameter of the upper portion of the acid kettle body (9) matches the acid kettle cap (1), and wherein: The acid pot gasket (10) is also included; the lower part of the acid pot body (9) is of cylindrical structure, and its outer diameter matches that of the acid pot gasket (10); the acid pot gasket (10) is provided with a through hole matching the outer diameter of the lower part of the acid pot body (9); the acid pot gasket (10) is provided with a top annular body matching the top step cavity of the injection hole (5) and a mounting annular body tightly matching the threaded cavity of the injection hole (5) on the outside.

2. The valve-regulated lead-acid battery acid forming kettle according to claim 1, characterized in that: The mounting annular body comprises a mounting top annular body corresponding to the top of the thread, a mounting middle body with a gap in the middle corresponding to the middle of the thread, and a mounting bottom annular body corresponding to the bottom of the thread.

3. A valve-regulated lead-acid battery acid forming kettle according to claim 1 or 2, characterized in that: The outer diameter of the top annular body is larger than the inner diameter of the thread of the injection hole (5) and smaller than the inner diameter of the step cavity at the top of the injection hole (5).

4. The valve-regulated lead-acid battery acid forming kettle according to claim 2, characterized in that: The outer diameter of the mounting top annular body is slightly larger than the inner diameter of the thread top of the injection hole (5); and the outer diameter of the mounting bottom annular body is slightly larger than the inner diameter of the thread bottom of the injection hole (5).

5. The valve-regulated lead-acid battery acid forming kettle according to claim 4, characterized in that: The height of the top mounting annular body is at least greater than the distance between two layers of thread lines; the height of the bottom mounting annular body is equal to the distance between two layers of thread lines.

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