CN210156442U - Waterproof battery structure - Google Patents

Abstract

A waterproof battery structure comprises a battery shell, a sealing rubber ring, a battery cover, a battery roll core and a protection assembly. The utility model discloses a waterproof battery structure, through setting up battery case, sealed rubber ring, battery cover, battery roll core and protection subassembly. In the application of reality, be provided with annular welded layer on the protection shield, annular water conservancy diversion piece is connected and the setting of sealing rubber ring with battery case's lateral wall and annular welded layer respectively, make the waterproof sealing performance of waterproof battery structure promote greatly, even certain wearing and tearing take place for sealing rubber ring, nevertheless because the setting of annular water conservancy diversion piece, conducting medium such as water droplet also can't get into the internal short circuit battery of battery cavity and roll up the core or directly switch on battery case and battery cover and produce the short circuit phenomenon, waterproof performance promotes greatly, and the leakproofness is high.

Description

Waterproof battery structure

technical field

The utility model relates to the technical field of battery structures, in particular to a waterproof battery structure.

Background technique

At present, a battery refers to a part of the space of a cup, tank, or other container or composite container that contains an electrolyte solution and metal electrodes to generate electrical current, a device that converts chemical energy into electrical energy. With positive and negative points. With the advancement of technology, batteries generally refer to small devices that can generate electricity, such as solar cells. The performance parameters of the battery mainly include electromotive force, capacity, specific energy and resistance. Using the battery as an energy source can obtain a current with stable voltage, stable current, long-term stable power supply, and little external influence, and the battery has a simple structure, easy to carry, simple and easy charging and discharging operations, and is not affected by external climate and temperature. Influence, stable and reliable performance, play a great role in all aspects of modern social life.

In the existing battery structure, in order to improve the overall sealing and waterproof performance of the battery structure, a sealing rubber ring is usually arranged in the battery structure. Prevent the battery case and the battery cover from being connected due to the presence of conductive media such as water droplets. Since the battery case and the battery cover will be connected to the tabs of the battery core, if the battery case and the battery cover are connected, the It leads to short-circuit phenomenon, which has a great potential safety hazard. Due to the limited sealing performance of the sealing rubber ring and the fact that the sealing rubber ring is made of rubber material, certain wear and tear will inevitably occur during use, that is, the worn seal The sealing performance of the rubber ring will be greatly reduced. Therefore, the existing sealing rubber ring cannot stably ensure the sealing and waterproof performance of the battery structure.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, and to provide a waterproof battery structure that can prevent the battery case and the battery cover from being connected, prevent short-circuit phenomenon and have better sealing performance.

The purpose of this utility model is to achieve through the following technical solutions:

A waterproof battery structure, comprising:

battery case;

a sealing rubber ring, the sealing rubber ring is sleeved on the open end of the battery case, so that the sealing rubber ring is in close contact with the inner side wall of the battery case;

A battery cover, the battery cover is clamped in the sealing rubber ring, so that the battery cover and the sealing rubber ring are supported, a groove is opened on the battery cover, and the battery cover is connected to the sealing rubber ring. The battery casings together form a battery cavity;

a battery winding core, the battery winding core is disposed in the battery cavity, and the tabs of the battery winding core are respectively connected with the battery casing and the battery cover; and

A protection assembly, the protection assembly includes a protection plate, an annular guide plate and an electrode metal sheet, the protection plate is arranged in the groove, an annular welding layer is arranged at the edge of the protection plate, and the annular guide plate is provided with an annular welding layer. The flow sheet is respectively connected with the outer side wall of the battery case and the annular welding layer, the protection plate is provided with an escape hole, the electrode metal sheet is located in the escape hole, and the electrode metal Sheets are respectively connected with the protection plate and the battery cover.

In one embodiment, the side wall of the open end of the battery case is inwardly recessed to form an annular step, and the sealing rubber ring is sleeved in the annular step, so that the annular step and the sealant are formed. The rings are in close contact.

In one of the embodiments, the battery case is provided with rounded corners.

In one embodiment, the battery winding core includes a winding core, an upper tab and a lower tab, the winding core is arranged in the battery cavity, the upper tab is arranged on the winding core, and The upper tab is connected to the battery cover, the lower tab is arranged on the winding core, and the lower tab is connected to the battery case.

In one embodiment, a through hole is formed on the winding core, the waterproof battery structure further includes a support column, the support column is located in the through hole, and one end of the support column is connected to the upper tab. The other end of the support column is abutted against the lower tab.

In one of the embodiments, the through hole is located at the middle position of the winding core.

In one embodiment, the depth of the through hole is equal to the height of the support column.

In one embodiment, the support column includes a front column, a middle column and a rear column connected in sequence, the front column supports the upper tab, and the rear column abuts the lower tab hold.

In one embodiment, an upper spacer is disposed between the front column and the upper tab, and a lower spacer is disposed between the rear column and the lower tab.

In one embodiment, the front pillar, the middle pillar and the rear pillar are integrally formed.

Compared with the prior art, the advantages and beneficial effects of the present utility model are as follows:

The waterproof battery structure of the utility model is provided with a battery casing, a sealing rubber ring, a battery cover, a battery winding core and a protection component. In the actual application process, the protective plate is provided with an annular welding layer, the annular guide plate is respectively connected with the outer side wall of the battery case and the annular welding layer, and the sealing rubber ring is arranged, so that the waterproof performance of the waterproof battery structure is greatly improved. Lifting, even if the sealing rubber ring is worn to a certain extent, due to the setting of the annular deflector, the conductive medium such as water droplets cannot enter the battery cavity to short-circuit the battery core or directly connect the battery case and the battery cover to cause a short-circuit phenomenon. The waterproof performance is greatly improved, and the sealing performance is high.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

1 is a schematic diagram of the internal structure of a waterproof battery structure in an embodiment of the present invention;

FIG. 2 is a plan view of the protection plate in one embodiment of the present invention.

Detailed ways

In order to facilitate the understanding of the present utility model, the present utility model will be more fully described below with reference to the related drawings. The preferred embodiments of the present invention are shown in the accompanying drawings. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1 , a waterproof battery structure 10 includes a battery case 100 , a sealing rubber ring 200 , a battery cover 300 , a battery winding core 400 and a protection component 500 .

In this way, it should be noted that the battery case 100 and the battery cover 300 both play the role of encapsulating and protecting the battery core 400; the sealing rubber ring 200 plays the role of sealing and waterproofing; the battery core 400 plays the role of transmitting voltage, for external The protection component 500 plays the role of waterproofing and protecting the battery core 400.

Please refer to FIG. 1 again, the sealing rubber ring 200 is sleeved on the open end of the battery case 100 , so that the sealing rubber ring 200 is in close contact with the inner side wall of the battery case 100 .

In this way, it should be noted that the sealing rubber ring 200 is sleeved on the open end of the battery case 100 , so that the sealing rubber ring 200 is in close contact with the inner side wall of the battery case 100 , so that the sealing rubber ring 200 and the battery case 100 are in close contact with each other. The inner side walls are more tightly fitted, which greatly improves the sealing and waterproof performance of the sealing rubber ring 200 to the waterproof battery structure 10 .

Please refer to FIG. 1 again, the battery cover 300 is clamped in the sealing rubber ring 200 so that the battery cover 300 is held against the sealing rubber ring 200 , a groove 310 is formed on the battery cover 300 , and the battery cover 300 and the battery case 100 together form a battery cavity.

In this way, it should be noted that when assembling the battery cover 300, the battery cover 300 is pressed into the battery case 100, and the battery cover 300 is clamped into the sealing rubber ring 200, so that the battery cover 300 and the sealing rubber ring 200 are abutted The battery cover 300 is installed in the battery case 100 by using the interaction force among the battery case 100 , the sealing rubber ring 200 and the battery cover 300 , which greatly simplifies the assembly process of the waterproof battery structure 10 . Compared with the traditional crimped battery structure, the assembly process of the present application is simple and easy to perform, and the assembly can be completed without contacting too many assembly tools.

Please refer to FIG. 1 again, the battery winding core 400 is disposed in the battery cavity, and the tabs of the battery winding core 400 are respectively connected with the battery case 100 and the battery cover 300 .

In this way, it should be noted that the battery winding core 400 plays the role of transmitting voltage and supplying power to the external electrical equipment; the tabs of the battery winding core 400 are respectively connected with the battery case 100 and the battery cover 300, so that the battery case The 100 and the battery cover 300 can be used as electrodes of the battery core 400 to transmit voltage to external electrical equipment.

Please refer to FIG. 1 and FIG. 2 together. The protection assembly 500 includes a protection plate 510 , an annular guide plate 520 and an electrode metal sheet 530 . The protection plate 510 is arranged in the groove 310 , and an annular weld is arranged at the edge of the protection plate 510 . layer 511, the annular guide plate 520 is respectively connected with the outer side wall of the battery case 100 and the annular welding layer 511, the protection plate 510 is provided with an escape hole 512, the electrode metal sheet 530 is located in the escape hole 512, and the electrode metal The sheets 530 are connected to the protection plate 510 and the battery cover 300, respectively.

In this way, it should be noted that the protection board 510 plays the role of protecting the battery core 300, and the protection board 510 is provided with a control circuit, and the protection board 510 prevents overcharge, overdischarge, overcurrent, short circuit and ultra-high temperature charging through the control circuit. Discharge to prevent the battery core 400 from working under extreme conditions and damage the battery core 400; the annular deflector 520 acts as a waterproof seal. The layer 511 is connected to prevent the conductive medium such as water droplets from entering the battery cavity or conducting the battery case 100 and the battery cover 300 from normal operation in the sealing rubber ring 200, resulting in a short circuit. The outer side wall of the battery case 100 and the annular welding layer 511 are welded. The welding method can make the annular guide fin 520 more stably connected to the outer side wall of the battery case 100 and the annular welding layer 511, and ensure the waterproof performance of the annular guide fin 520. The opening of the groove 310 allows the protection component 500 to be accommodated in the groove 310, so that the overall structure of the waterproof battery structure 10 is more compact; For the electrodes of the battery core 400 , as a preferred embodiment, the electrode metal sheet 530 is welded with the protection plate 510 and the battery cover 300 .

It should also be noted that the setting of the protection plate 510 can allow the waterproof battery structure 10 to lead out the electrodes of the battery core 400 from the electrode metal sheet 530 and the annular guide plate 520, so that the waterproof battery structure 10 can be electrically connected to the external electrical equipment. connection is more convenient.

Further, in one embodiment, the side wall of the open end of the battery case 100 is recessed inward to form an annular terrace, and the sealing rubber ring 200 is sleeved in the annular terrace, so that the annular terrace and the sealing rubber ring 200 are in close contact.

In this way, it should be noted that the side wall of the open end of the battery case 100 is recessed inward to form an annular step, and the arrangement of the annular step can optimize the interaction force among the battery case 100 , the sealing rubber ring 200 and the battery cover 300 . , so that the battery cover 300 is more stably installed on the battery case 100 .

Further, in one embodiment, the battery case 100 is provided with rounded corners.

In this way, it should be noted that the battery case 100 is provided with rounded corners, which can prevent the waterproof battery structure 10 from making excessive physical contact with external objects, thereby damaging the battery case 100 .

Further, please refer to FIG. 1 again, in one embodiment, the battery winding core 400 includes a winding core 410 , an upper tab and a lower tab, the winding core 410 is arranged in the battery cavity, and the upper tab is arranged on the winding core 410 , and the upper tab is connected to the battery cover 300 , the lower tab is disposed on the winding core 410 , and the lower tab is connected to the battery case 100 .

In this way, it should be noted that the battery winding core 400 serves to transmit the voltage, and the voltage of the battery winding core 400 is transmitted to the external electrical equipment through the upper tab and the lower tab.

Further, please refer to FIG. 1 again, in one embodiment, the winding core 410 is provided with a through hole 411, and the waterproof battery structure 10 further includes a support column, the support column is located in the through hole 411, and one end of the support column is connected to the upper tab. The other end of the support column is held against the lower tab.

In this way, it should be noted that the opening of the through holes 411 can make the structure of the waterproof battery structure 10 more compact and reduce the overall volume of the waterproof battery structure 10; The battery cover 300 is pressed down too much and the battery core 400 is crushed; in addition, when the battery core 400 expands due to unexpected factors, the support post can also prevent the battery core 400 from expanding too much.

Further, please refer to FIG. 1 again, in one embodiment, the through hole 411 is located at the middle position of the winding core 410 .

In this way, it should be noted that the through hole 411 is located at the middle position of the winding core 410 so that the support column and the battery winding core 400 can be uniformly stressed.

Further, in one embodiment, the depth of the through hole 411 is equal to the height of the support column.

In this way, it should be noted that the depth of the through hole 411 is equal to the height of the support column, so that the support column can better support and prevent the battery cover 300 from being pressed down excessively and the battery core 400 from being crushed.

Further, in one embodiment, the support column includes a front column, a middle column and a rear column connected in sequence, the front column supports the upper tab, and the rear column supports the lower tab.

In this way, it should be noted that the front column is used to support the upper tab, and the rear column is used to support the lower tab.

It should also be noted that since the support column needs to be supported by the upper and lower tabs respectively, the support column needs to be made of insulating material to prevent the upper and lower tabs from being directly connected. When it is made of insulating material, an upper spacer is arranged between the front column and the upper tab, and a lower spacer is arranged between the rear column and the lower tab, and both the upper and lower spacers play the role of insulation and isolation. , to prevent direct conduction between the upper and lower tabs.

Further, in one embodiment, the front pillar, the middle pillar and the rear pillar are integrally formed.

In this way, it should be noted that the integrally formed structure of the front column, the middle column and the rear column can improve the overall mechanical strength of the support column and prolong the service life of the support column.

The waterproof battery structure of the utility model is provided with a battery casing, a sealing rubber ring, a battery cover, a battery winding core and a protection component. In the actual application process, the protective plate is provided with an annular welding layer, the annular guide plate is respectively connected with the outer side wall of the battery case and the annular welding layer, and the sealing rubber ring is arranged, so that the waterproof performance of the waterproof battery structure is greatly improved. Lifting, even if the sealing rubber ring is worn to a certain extent, due to the setting of the annular deflector, the conductive medium such as water droplets cannot enter the battery cavity to short-circuit the battery core or directly connect the battery case and the battery cover to cause a short-circuit phenomenon. The waterproof performance is greatly improved, and the sealing performance is high.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the present invention. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims (10)

1. a waterproof battery structure, is characterized in that, comprises: battery case; a sealing rubber ring, the sealing rubber ring is sleeved on the open end of the battery case, so that the sealing rubber ring is in close contact with the inner side wall of the battery case; A battery cover, the battery cover is clamped in the sealing rubber ring, so that the battery cover and the sealing rubber ring are supported, a groove is opened on the battery cover, and the battery cover is connected to the sealing rubber ring. The battery casings together form a battery cavity; a battery winding core, the battery winding core is disposed in the battery cavity, and the tabs of the battery winding core are respectively connected with the battery casing and the battery cover; and A protection assembly, the protection assembly includes a protection plate, an annular guide plate and an electrode metal sheet, the protection plate is arranged in the groove, an annular welding layer is arranged at the edge of the protection plate, and the annular guide plate is provided with an annular welding layer. The flow sheet is respectively connected with the outer side wall of the battery case and the annular welding layer, the protection plate is provided with an escape hole, the electrode metal sheet is located in the escape hole, and the electrode metal Sheets are respectively connected with the protection plate and the battery cover. 2 . The waterproof battery structure according to claim 1 , wherein the side wall of the open end of the battery case is recessed inward to form an annular terrace, and the sealing rubber ring is sleeved in the annular terrace to form an annular terrace. 3 . The annular terrace is brought into close contact with the sealing rubber ring. 3 . The waterproof battery structure according to claim 1 , wherein the battery case is provided with rounded corners. 4 . 4 . The waterproof battery structure according to claim 1 , wherein the battery winding core comprises a winding core, an upper tab and a lower tab, the winding core is arranged in the battery cavity, and the upper pole The tabs are arranged on the winding core, and the upper tabs are connected with the battery cover, and the lower tabs are arranged on the winding core, and the lower tabs are connected with the battery case . 5 . The waterproof battery structure according to claim 4 , wherein a through hole is formed on the winding core, the waterproof battery structure further comprises a support column, the support column is located in the through hole, and the One end of the support column is held against the upper tab, and the other end of the support column is held against the lower tab. 6 . The waterproof battery structure according to claim 5 , wherein the through hole is located at a middle position of the winding core. 7 . 7 . The waterproof battery structure according to claim 5 , wherein the depth of the through hole is equal to the height of the support column. 8 . 8 . The waterproof battery structure according to claim 5 , wherein the support column comprises a front column, a middle column and a rear column connected in sequence, the front column supports the upper tab, and the The rear column supports the lower tab. 9 . The waterproof battery structure according to claim 8 , wherein an upper spacer is arranged between the front column and the upper tab, and a lower pole is arranged between the rear column and the lower tab. 10 . spacer. 10 . The waterproof battery structure according to claim 8 , wherein the front pillar, the middle pillar and the rear pillar are integrally formed. 11 .

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