CN210110856U

CN210110856U - Battery cover and lead-acid storage battery

Info

Publication number: CN210110856U
Application number: CN201921043210.3U
Authority: CN
Inventors: 叶珍; 吴国鑫
Original assignee: Jiangsu Leoch Battery Co Ltd
Current assignee: Jiangsu Leoch Battery Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-02-21
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a battery cover and a lead-acid storage battery, the battery cover comprises a battery cover body, a sheet groove is arranged on the battery cover body; the dough sheet is buckled on the upper side of the dough sheet groove; the battery cover comprises a battery cover body, a partition plate and a plurality of gas holes, wherein the battery cover body is provided with a plurality of battery cells; and the exhaust unit is arranged on the battery cover body and is communicated with the vent hole. According to the scheme provided by the application, the dough sheet and the corresponding dough sheet groove are tightly matched, so that the dough sheet of the battery cover has smaller volume and higher stability; meanwhile, the volume of the dough sheet is reduced, so that the control of a tool and an injection molding process is facilitated, and the actual production efficiency is improved; at last with the exhaust hole by six subtract to the utility model provides a one has reduced the exhaust hole because the gas leakage that leads to of sealed problem, has improved the whole sealed effect greatly.

Description

Battery cover and lead-acid storage battery

Technical Field

The utility model relates to a lead acid battery technical field, concretely relates to battery cover and lead acid battery.

Background

The lead-acid storage battery is a resource circulation type energy product with high safety, stable electrical property, low manufacturing cost, wide application field and low cost recycling, and faces a wide development space as a green industry without consuming earth resources.

However, in current lead acid battery manufacturing processes, the top cover is typically formed from only a single conventional large panel structure. Due to the single structure and the large area, the structure of the top cover is unstable and easy to deform. Therefore, the air leakage phenomenon at the dough sheet position is easy to occur after the top cover is subjected to heat sealing, so that the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a battery cover and lead acid battery can make battery top cap stable in structure, do benefit to frock and sealed effectual good.

The utility model provides a battery cover, include: the battery cover comprises a battery cover body, wherein a panel groove is formed in the battery cover body; the dough sheet is buckled on the upper side of the dough sheet groove; the battery cover comprises a battery cover body, a partition plate and a plurality of gas holes, wherein the battery cover body is provided with a plurality of battery cells; and the exhaust unit is arranged on the battery cover body and is communicated with the vent hole.

Furthermore, the exhaust unit comprises an exhaust valve and an exhaust hole, the exhaust valve and the exhaust hole are both arranged in the dough sheet groove, and the exhaust valve penetrates through the bottom surface of the dough sheet groove and is communicated with the air vent; one end of the exhaust hole is communicated with the exhaust valve, and the other end of the exhaust hole is positioned outside the battery cover body.

Further, a valve seat hole is formed in the panel groove, and the exhaust valve is arranged in the valve seat hole.

Furthermore, a filter disc groove is further arranged in the face disc groove, and the exhaust hole is formed in the filter disc groove.

Furthermore, the face sheet grooves are groove-shaped and are longitudinally arranged on the battery cover body.

Further, the dough sheet comprises a lath and a dough sheet welding rib, wherein the dough sheet welding rib is fixed at the bottom of the lath and surrounds the bottom of the lath for a circle.

Further, the surface sheet groove on the battery cover body is provided with a surface sheet welding groove corresponding to the batten; the welding ribs corresponding to the surface sheets are provided with welding rib grooves, and the welding ribs are embedded and matched with each other pairwise.

Further, still include terminal and utmost point post hole, utmost point post hole set up in the both sides corner end of battery cover body, the terminal set up in battery cover body surface and with utmost point post hole contact.

A lead-acid battery comprising a battery case, further comprising a battery cover as described in any one of the embodiments of the present application, the battery cover covering the battery case.

According to the battery cover and the lead-acid storage battery, the surface sheets of the battery cover have smaller volume and higher stability through the close fit of the surface sheets and the corresponding surface sheet grooves; meanwhile, the volume of the dough sheet is reduced, so that the control of a tool and an injection molding process is facilitated, and the actual production efficiency is improved; at last, the exhaust hole is reduced into one of the air-tight sealing device by six, air leakage caused by the sealing problem of the exhaust hole is reduced, and the integral sealing effect is greatly improved.

Drawings

Fig. 1 is a schematic view of a battery cover structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a battery cover assembly structure according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a dough sheet groove provided in an embodiment of the present invention;

fig. 4 is a schematic diagram of an internal structure of a battery cover according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

The utility model discloses a battery cover and lead acid battery more are used for motorcycle battery cover. The embodiment of the application specifically describes the battery cover, refer to fig. 1-4, the battery cover includes a battery cover body 1, a surface sheet 2, a partition plate 11 and an exhaust unit, wherein a surface sheet groove 3 is formed in the battery cover body 1, the surface sheet 2 is buckled on the upper side of the surface sheet groove 3, the partition plate 11 is arranged in an inner cavity of the battery cover body 1, the inner cavity of the battery cover body 1 is divided into a plurality of single-cell units, an air serial hole 8 is further formed in the partition plate 11, the air serial hole 8 communicates the single-cell units, and the exhaust unit is arranged on the battery cover body 1 and communicates with the air serial hole 8.

Specifically, referring to fig. 1, 2 and 4, the tab groove 3 is located at an edge of the covering region of the cell cover body 1, and the tab groove 3 is substantially groove-shaped in structure and has a certain depth. The dough sheet 2 mainly serves to block the dough sheet groove 3 in structure, and covers the upper side of the dough sheet groove 3. Therefore, obviously, the outline of the dough sheet 2 is matched with the edge of the upper port of the dough sheet groove 3, and the dough sheet can be mutually connected and covered to form a closed state.

Meanwhile, the exhaust unit comprises an exhaust valve 9 and an exhaust hole 10 (as shown in fig. 4), wherein the exhaust valve 9 and the exhaust hole 10 are both arranged in the panel groove 3, the exhaust valve 9 penetrates through the bottom surface of the panel groove 3 to be communicated with the air communicating hole 8, one end of the exhaust hole 10 is communicated with the exhaust valve 9, and the other end of the exhaust hole is positioned outside the battery cover body 1.

Above-mentioned embodiment, the dough sheet lid closes on the dough sheet groove, has changed ordinary battery cover and has only adopted the mode of a big dough sheet structure alone, has reduced the volume of dough sheet, because the surface area size reduces, obviously can improve the structural stability of whole dough sheet, and the exhaust hole is reduced for one in this application by six, has reduced the exhaust hole because the gas leakage that leads to of sealed problem, has improved whole sealed effect greatly.

It should be understood that the above-described venting of gases from a lead-acid battery through a vent valve and vent hole is merely exemplary, and in other alternatives, other types of structures, such as a one-way valve, may be used to vent gases from a lead-acid battery. The embodiment of the present application does not specifically limit how to exhaust the gas in the acid battery, as long as the exhaust unit can achieve the purpose of exhausting the gas in the acid battery.

In addition, the present application provides various detail modifications to the face plate groove 3 in order that the discharge valve 9 and the discharge hole 10 can be better installed in the face plate groove 3, as will be described one by one.

For example, a valve seat hole 7 is provided in the dough sheet groove 3, and an exhaust valve 9 is installed in the valve seat hole 7, wherein the exhaust valve 9 and the valve seat hole 7 are detachably and fixedly connected.

For another example, a filter tray 6 may be provided in the dough sheet groove 3, and the vent hole 10 may be installed in the filter tray 6, wherein the vent hole 10 and the filter tray 6 are detachably and fixedly connected.

In the embodiment of the application, the dough sheet 2 comprises a lath and a dough sheet welding rib 4, and the dough sheet welding rib 4 is fixed at the bottom of the lath and surrounds the bottom of the lath for a circle. The dough sheet groove 3 on the battery cover body 1 is provided with a dough sheet welding groove 5 corresponding to the batten; the welding ribs 4 corresponding to the surface sheets are provided with welding rib grooves, and the welding ribs are embedded and matched with each other pairwise.

Specifically, as shown in fig. 2 and 3, the structure of the dough sheet 2 includes two portions, a flight and a dough bead 4. The dough sheet welding ribs 4 are positioned at the bottom position of the lath. The strip plate is a plate with a plane outline in a shape of a round-corner rectangle, has a certain thickness and is equal everywhere, and the strip plate is a basic core member of the dough sheet 2 and can be directly covered on the dough sheet groove 3. The whole surface patch welding rib 4 is frame-shaped, is continuously and uninterruptedly arranged at the bottom of the batten, and the upper end surface of the surface patch welding rib is fixedly connected with the lower end surface of the batten. Furthermore, the outline of the outer frame and the outline of the inner frame of the dough sheet welding rib 4 are both in a round rectangle shape, and a certain distance is reserved between the outer frame and the inner frame. The bead 4 of dough sheet is wrapped around its bottom in accordance with the contour of the outer edge of the strip. But here it should be noted that: the dough sheet welding ribs 4 are not directly arranged along the outline of the outer edge of the batten, and a certain distance is reserved between the outer frame of the dough sheet welding ribs 4 and the outer edge of the batten. I.e. the dough sheet welding ribs 4 are arranged at a distance inwards from the outer edge of the lath. Furthermore, the arrangement mode of the dough sheet welding ribs 4 at the bottom of the batten is vertical, and the dough sheet welding ribs have a certain height.

The cell cover body 1 has a face plate welding groove 5 corresponding to the slat, a bead groove corresponding to the face plate welding bead 4, and the two grooves are mutually embedded and matched. Specifically, the planar profile shape of the dough sheet groove 3 is a rounded rectangle, and the whole is approximately in a groove shape, but a certain structure exists at the edge of the periphery of the dough sheet groove, and the structure is mainly characterized in that: because the dough sheet 2 is embedded and covered on the dough sheet groove 3, the lower surface of the structure of the dough sheet 2 is connected with the upper surface of the structure of the dough sheet groove 3. Therefore, the overall structure of the dough piece groove 3 is designed according to the dough piece 2 as a whole.

In the above embodiment, after the dough sheet 2 is covered in the dough sheet groove 3, the matching and sealing can be performed by ultrasonic sealing, which makes the matching between the dough sheet 2 and the dough sheet groove 3 more tight.

It will be appreciated that the sealing of the dough sheet and the dough sheet groove by means of ultrasonic sealing described above is merely an example, and that in other alternatives other means for sealing the dough sheet and the dough sheet groove may be used, such as gluing. The embodiment of the present application does not specifically limit how to seal the dough sheet and the dough sheet groove, as long as the sealing manner can achieve the purpose of sealing the dough sheet and the dough sheet groove.

The application also provides a lead-acid storage battery, which comprises a battery shell and a battery cover as described in any one of the embodiments of the application, wherein the battery cover is covered on the battery shell.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. A battery cover, comprising:

the battery cover comprises a battery cover body, wherein a panel groove is formed in the battery cover body;

the dough sheet is buckled on the upper side of the dough sheet groove;

the battery cover comprises a battery cover body, a partition plate and a plurality of gas holes, wherein the battery cover body is provided with a plurality of battery cells; and

and the exhaust unit is arranged on the battery cover body and is communicated with the gas vent.

2. The battery cover of claim 1, wherein the vent unit includes a vent valve and a vent hole, both of which are disposed in the panel groove,

the exhaust valve penetrates through the bottom surface of the panel groove and is communicated with the vent hole;

one end of the exhaust hole is communicated with the exhaust valve, and the other end of the exhaust hole is positioned outside the battery cover body.

3. The battery cover of claim 2, wherein a valve seat bore is disposed within the facing groove, the vent valve being disposed in the valve seat bore.

4. The battery cover of claim 2, wherein a filter tray is further provided in the face sheet groove, and the vent hole is provided in the filter tray.

5. The battery cover of claim 1, wherein the panel grooves are groove-shaped and are longitudinally formed on the battery cover body.

6. The battery cover of claim 1, wherein the dough sheet includes a slat and a dough sheet bead secured to the bottom of the slat and surrounding the bottom of the slat.

7. The battery cover of claim 6, wherein the panel groove on the battery cover body has a panel welding groove corresponding to the louver; the welding ribs corresponding to the surface sheets are provided with welding rib grooves, and the welding ribs are embedded and matched with each other pairwise.

8. The battery cover of claim 1, further comprising terminals and post holes, wherein the post holes are formed in the corner ends of the battery cover body, and the terminals are disposed on the outer surface of the battery cover body and are in contact with the post holes.

9. A lead-acid storage battery comprising a battery case, characterized by further comprising a battery cover according to any one of claims 1 to 8, the battery cover being covered on the battery case.