WO2020140245A1

WO2020140245A1 - Storage battery state indicator

Info

Publication number: WO2020140245A1
Application number: PCT/CN2019/070328
Authority: WO
Inventors: 戴增实
Original assignee: 泉州市一鸣交通电器有限公司
Priority date: 2019-01-04
Filing date: 2019-01-04
Publication date: 2020-07-09

Abstract

The present invention provides a storage battery state indicator, comprising a transparent indicator column and a mounting sleeve sleeved on the transparent indicator column. An inner rubber ring abutting against the transparent indicator column is provided on the upper portion of the inner side wall of the mounting sleeve. By providing the inner rubber ring, a liquid is effectively prevented from permeating from the outside to a gap between the transparent indicator column and the mounting sleeve, thereby preventing the influence of an external liquid on the normal display of the transparent indicator column, and ensuring that a seal state of a storage battery would not be easily misjudged. In addition, by further providing an outer rubber ring, the present invention prevents a liquid from permeating from the outside to a gap between the mounting sleeve and a storage battery housing, thereby further preventing the influence of an external liquid on the normal display of the transparent indicator column. By providing a first connecting strip and a second connecting strip, the prevent invention facilitates the integral formation of the rubber rings, and makes the rubber rings be mutually restricted, thereby preventing position offset of the rubber rings during use.

Description

Battery state indicator

Technical field

The invention relates to a battery accessory, especially a battery status indicator.

Background technique

The battery status indicator is also called an electric eye, which can display different colors by detecting the specific gravity of the battery electrolyte, so that the user can initially judge the working state of the battery.

The traditional battery status indicator usually includes an indicator transparent column and a mounting sleeve sleeved on the indicator transparent column. The indicator sleeve is installed on the battery case by using the mounting sleeve. In order to prevent the electrolyte from the indicator transparent column and If the gap between the mounting sleeves leaks, it is usually necessary to provide a sealing structure between the indicator transparent column and the mounting sleeve. At the same time, in order to avoid liquid accumulation between the indicator transparent column and the mounting sleeve, the sealing structure is usually set at the indicator The connection position between the transparent column of the device and the mounting sleeve is relatively close to the side of the electrolyte storage cavity. However, after the battery status indicator is installed on the battery case, the case is usually washed with water, etc. It will infiltrate the gap between the indicator transparent column and the mounting sleeve from the outside of the battery case. When in use, in the sun or in a relatively high temperature environment, the water in the gap between the indicator transparent column and the mounting sleeve It will volatilize and adhere to the transparent column of the indicator, causing the user to misjudge the sealed state of the battery.

In view of this, the applicant has conducted in-depth research on the structure of the battery status indicator, and this case has arisen.

technical problem

An object of the present invention is to provide a battery state indicator that is difficult to misjudge the sealed state of the battery.

Technical solution

In order to achieve the above objectives, the present invention adopts the following technical solutions:

A battery status indicator, including an indicator transparent column and a mounting sleeve sleeved on the indicator transparent column, an upper part of the inner side wall of the mounting sleeve is provided with an inner glue against the indicator transparent column ring.

As an improvement of the present invention, the upper portion of the outer side wall of the mounting sleeve is provided with an outer rubber ring against the battery case.

As an improvement of the present invention, the inner rubber ring and/or the outer rubber ring is a rubber ring or a silicone ring.

As an improvement of the present invention, a through groove is formed on the upper end surface of the mounting sleeve, and a first connecting bar integrally connected with the inner rubber ring and the outer rubber ring is provided in the through groove.

As an improvement of the present invention, there are more than two through slots, and each of the through slots is evenly distributed about the axis of the mounting sleeve.

As an improvement of the present invention, the upper end of the indicator transparent column has a positioning ring, the outer side wall of the positioning ring abuts on the inner rubber ring, and the lower end of the inner rubber ring is also integrally connected with a core rubber A ring, the lower end surface of the positioning ring abuts against the core rubber ring.

As an improvement of the present invention, the indicator transparent column is provided with more than one sealing convex ring at a position below the positioning ring, and the sealing convex ring is embedded in the core rubber ring.

As an improvement of the present invention, a sealing groove is opened on the outer side wall of the mounting sleeve, and a glue filling hole for connecting the sealing groove and the inner cavity of the mounting sleeve is opened on the mounting sleeve. A second connecting bar integrally connected with the core rubber ring is provided in the glue hole, and a sealing rubber ring integrally connected with the second connecting bar is provided in the sealing groove.

As an improvement of the present invention, the indicator transparent column is provided with a column sealing ring at a position below the sealing convex ring, and an integral connection or interference fit connection with the column sealing ring is provided in the mounting sleeve Matching set of sealing rings.

Beneficial effect

Using the above technical solution, the present invention has the following beneficial effects:

1. By setting the inner rubber ring, it can effectively prevent the liquid from seeping into the gap between the indicator transparent column and the mounting sleeve from the outside, thereby avoiding the external liquid from affecting the normal display of the indicator transparent column and ensuring that the battery status indicator is not easy to seal the battery. It was misjudged.

2. By setting the outer rubber ring, the liquid can be prevented from penetrating into the gap between the mounting sleeve and the battery case from the outside, and the external liquid can be prevented from affecting the normal display of the indicator transparent column.

3. By setting the connection bar, it is convenient for the integral formation of each rubber ring, and at the same time, each rubber ring can be mutually restricted to avoid the deviation of the position of the rubber ring during use.

BRIEF DESCRIPTION

FIG. 1 is a schematic diagram of a cut-away structure of a battery status indicator of the present invention, and the battery housing in the figure shows only partial features;

2 is a schematic structural diagram of the indicator transparent column in the present invention;

3 is a schematic structural view of the installation sleeve in the present invention;

4 is a schematic diagram of the connection structure of each rubber ring in the present invention.

Best Mode of the Invention

The present invention will be further described below with reference to the drawings and specific embodiments.

As shown in FIGS. 1-4, the battery status indicator provided by this embodiment includes an indicator transparent column 10 and a mounting sleeve 20 sleeved on the indicator transparent column 10. The battery-like indicator needs to be installed before use On the battery housing 30. Of course, the battery status indicator should also include small balls and other components located at the lower end of the indicator transparent column 10. These components and their connection structures are the same as those of the conventional battery device indicator, which is not the focus of this embodiment. In more detail, that is to say, this embodiment is based on the conventional battery status indicator, and its upper structure is improved. It should be noted that, in this embodiment, the up and down direction in the state of being vertically arranged when the battery status indicator is used is the up and down direction of each component. In this state, the indicator transparent column 10 is vertically arranged and The end with the observation mirror is the upper end.

The indicator transparent column 10 has a positioning ring 11 at its upper end, the observation mirror surface of the indicator transparent column 10 is located at the upper end surface of the positioning ring 11, and the indicator transparent column 10 is provided with more than one sealing convex ring 12 at a position below the positioning ring 11 In this embodiment, two sealing lugs 12 are taken as an example for description. The indicator transparent column 10 is provided with a column sealing ring 13, a positioning ring 11 and a column sealing ring 13 at positions below each sealing lug 12. The structure of the indicator is the same as the structure on the conventional indicator transparent column, in addition, the lower structure of the indicator transparent column 10 is also the same as the structure of the conventional indicator transparent column, that is to say, the indicator in this embodiment is transparent The column 10 merely adds a sealing convex ring 12 on the basis of the transparent column of the indicator.

The mounting sleeve 20 is a PP plastic mounting sleeve, which is integrally connected or interference-fitted with a sleeve sealing ring 21 that cooperates with the column sealing ring 13, and the sleeve sealing ring 21 is also a PP plastic ring. In this embodiment , The sleeve sealing ring 21 is integrally connected with the mounting sleeve 20, which is interference fit with the column sealing ring 13, so that the mounting sleeve 20, the sleeve sealing ring 21 and the column sealing ring 13 together form a hard seal structure for preventing the battery housing 30 from being located The electrolyte in the inner cavity leaks from the inner hole of the mounting sleeve 20. The outer side wall of the mounting sleeve 20 is integrally provided with two or more outer sealing rings 22, and a spacing groove 23 is formed between two adjacent outer sealing rings. The outer sealing ring 22 and the battery case 30 are interference-fitted to achieve sealing. In order to prevent the electrolyte in the inner cavity of the battery case 30 from leaking from the gap between the battery case 30 and the mounting sleeve 20. In addition, the upper part of the inner wall of the mounting sleeve 20 is provided with an inner rubber ring 41 that abuts on the indicator transparent column 10. Specifically, the inner rubber ring 41 is located above the sleeve sealing ring 21, and the positioning ring on the indicator transparent column 10 The outer side wall of 11 abuts on the inner rubber ring 41 to form the first layer of sealing structure, which can effectively prevent the external liquid from penetrating into the gap between the mounting sleeve 20 and the indicator transparent column 10, to avoid the display being disturbed and resulting in use If a person misjudges the sealed state of the battery, the inner rubber ring 41 is preferably integrally connected to the mounting sleeve 20 by over-molding.

Preferably, the upper portion of the outer side wall of the mounting sleeve 20 is provided with an outer rubber ring 42 that abuts on the battery case 30, that is, the outer rubber ring 42 is located above each outer sealing ring 22. In this way, the external liquid is reliably and effectively prevented from penetrating into the gap between the mounting sleeve 20 and the battery case 30, and the liquid penetrating into the gap between the mounting sleeve 20 and the battery case 30 is volatilized and adheres to the observation mirror surface under high temperature on. The inner rubber ring 41 and/or the outer rubber ring 42 is preferably a rubber ring or a silicone ring. Of course, it can also be other soft rubber materials. In this embodiment, both the inner rubber ring 41 and the outer rubber ring 42 are rubber rings. Preferably, the outer rubber ring 42 is also integrally connected to the mounting sleeve 20 by means of double injection. In order to simultaneously inject the inner rubber ring 41 and the outer rubber ring 42 in the same mold, the upper end surface of the mounting sleeve 20 is provided with a through groove 24. There are more than two through grooves 24, and each through groove 24 is evenly distributed around the axis of the mounting sleeve 20, and each through groove 24 is provided with a first integrally connected with the inner rubber ring 41 and the outer rubber ring 42, respectively. The connecting strip 43 can cover the flow of glue from the position corresponding to the inner rubber ring 41 to the position corresponding to the outer rubber ring 42 during injection molding, or to the position corresponding to the inner rubber ring 41 from the position corresponding to the outer rubber ring 42 s position.

Further, in this embodiment, the lower end of the inner rubber ring 41 is also integrally connected with a core rubber ring 44, and the lower end surface of the positioning ring 11 abuts on the core rubber ring 44 to form a second sealing structure, so that when the inner rubber ring When 41 does not perform its proper sealing function, the core rubber ring 44 can still play a role in preventing the penetration of external liquid. Specifically, the inner side wall of the mounting sleeve 20 is respectively provided with transition grooves 25 communicating with the corresponding penetration grooves 24 at positions corresponding to the respective penetration grooves 24, and each transition groove 25 is provided with a third connecting bar 45, a third The connecting strip 45 is integrally connected with the inner rubber ring 41 and the core rubber ring 44 respectively, thereby achieving an integrated connection between the core rubber ring 44 and the inner rubber ring 41. In addition, the sealing convex ring 12 is embedded in the core rubber ring 44 to form a third-layer sealing structure, which can not only form a triple seal against external liquids with the second-layer sealing structure and the first sealing structure, but also seal with a hard seal The structures together form a double seal against the electrolyte in the interior of the battery housing 30.

Furthermore, in this embodiment, a sealing groove 26 is formed on the outer side wall of the mounting sleeve 20, and the sealing groove 26 is located between each outer seal ring 22 and the outer rubber ring 42, and at the same time, the mounting sleeve 20 is provided with a seal for communication The groove 26 and the glue filling holes 27 in the inner cavity of the mounting sleeve 20, the number of the glue filling holes 27 is the same as that of the transition groove 25, and each glue filling hole 27 corresponds to and communicates with each transition groove 25 one by one, and each glue filling hole 27 The second connecting strip 46 integrally connected with the core rubber ring 44 is provided inside, and the sealing groove 26 is provided with a sealing rubber ring 47 integrally connected with each second connecting strip 46, the sealing rubber ring 47 abuts against the battery case 30 In this way, it can form a double seal against the external liquid and the internal electrolyte. In addition, due to the existence of the connecting strips, the rubber rings can be integrally connected together, and obtained by means of double injection molding at a time. Preferably, the glue filling hole 27 is naturally formed by the intersection of the transition groove 25 and the sealing groove 26, that is, the glue filling hole 27 and the corresponding transition groove 25 coincide with each other, and the corresponding second connecting strip 46 and the third connecting strip 45 are located on the same straight line on.

The present invention has been described in detail above with reference to the drawings, but the embodiments of the present invention are not limited to the above-mentioned embodiments. Those skilled in the art can make various modifications to the present invention according to the prior art, such as the specific number of the rubber strip Etc., all of which belong to the protection scope of the present invention.

Claims

A battery status indicator, including an indicator transparent column and a mounting sleeve sleeved on the indicator transparent column, characterized in that the upper part of the inner wall of the mounting sleeve is provided with an abutment on the indicator transparent column The inner rubber ring.
The battery status indicator according to claim 1, wherein an outer rubber ring against the battery case is provided on the upper part of the outer side wall of the mounting sleeve.
The battery status indicator according to claim 2, wherein the inner rubber ring and/or the outer rubber ring is a rubber ring or a silicone ring.
The battery status indicator according to claim 2, wherein the upper end surface of the mounting sleeve is provided with a through groove, and the through groove is provided with an integral connection with the inner rubber ring and the outer rubber ring, respectively The first connection bar.
The battery state indicator according to claim 4, wherein there are two or more through grooves, and each of the through grooves is evenly distributed about the axis of the mounting sleeve.
The battery status indicator according to any one of claims 1 to 5, wherein the upper end of the indicator transparent column has a positioning ring, and the outer side wall of the positioning ring abuts the inner rubber ring Above, the lower end of the inner rubber ring is also integrally connected with a core rubber ring, and the lower end surface of the positioning ring abuts on the core rubber ring.
The battery status indicator according to claim 6, wherein the indicator transparent column is provided with more than one sealing convex ring at a position below the positioning ring, the sealing convex ring is embedded in the core glue ring.
The battery status indicator according to claim 7, wherein a sealing groove is opened on the outer side wall of the mounting sleeve, and an inner cavity for connecting the sealing groove and the mounting sleeve is opened on the mounting sleeve The glue filling hole is provided with a second connecting bar integrally connected with the core rubber ring, and a sealing rubber ring integrally connected with the second connecting bar is provided in the sealing groove.
The battery status indicator according to claim 7, wherein the indicator transparent column is provided with a column sealing ring at a position below the sealing convex ring, and the mounting sleeve is integrally connected or interference fit A sleeve sealing ring matched with the column sealing ring is connected.