CN217334609U - Take battery module connecting piece of waterproof function - Google Patents
Take battery module connecting piece of waterproof function Download PDFInfo
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- CN217334609U CN217334609U CN202220239692.5U CN202220239692U CN217334609U CN 217334609 U CN217334609 U CN 217334609U CN 202220239692 U CN202220239692 U CN 202220239692U CN 217334609 U CN217334609 U CN 217334609U
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- connecting piece
- waterproof
- connector
- piece body
- battery module
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a take battery module connecting piece of waterproof function, this battery module connecting piece includes connecting piece body and connector, the connector is connected on connecting piece body, connecting piece body's outside cover is equipped with external insulation layer, be equipped with waterproof insulation cover on the connecting piece body, the integrative injection moulding of tip and connector of waterproof insulation cover and connecting piece body to make waterproof insulation cover can seal wrapping up the tip of connecting piece body, the link of connector and stretch into the tip of the inside external insulation layer of waterproof insulation cover. The utility model discloses a waterproof insulation cover can play good sealed and waterproof performance, avoids arousing the condition emergence that the short circuit was on fire because of intaking. In addition, the waterproof insulating sleeve is formed in a low-pressure injection molding mode, and can prevent rubber from entering between the external insulating layer and the connecting piece body to enable the external insulating layer to generate bad convex hulls, so that the thickness of the waterproof insulating sleeve during injection molding is prevented from being influenced, and the quality and the performance of the waterproof insulating sleeve are guaranteed.
Description
Technical Field
The utility model relates to a battery connecting piece technical field, more specifically say, relate to a take battery module connecting piece of waterproof function.
Background
In the connection of the battery module, a copper foil soft connecting piece or a copper bar connecting piece with a male head or a female head can be adopted for connection. However, the existing copper foil soft connecting piece or copper bar connecting piece generally has an insulating function in the middle, and joints at two ends are exposed, so that the waterproof function is not provided, and the short circuit and the fire caused by water inflow can occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a take battery module connecting piece of waterproof function.
In order to achieve the above object, the utility model provides a take battery module connecting piece of waterproof function, including connecting piece body and connector, the one end or the both ends at connecting piece body are connected perpendicularly to the link of connector, connecting piece body's one end or both ends are equipped with the waterproof insulation cover, the integrative injection moulding of tip and connector of waterproof insulation cover and connecting piece body to make the waterproof insulation cover can seal the link of wrapping up connecting piece body's tip and connector.
As preferred, the outside cover of connecting piece body is equipped with external insulation layer, external insulation layer extends toward the direction that is close to the connector, the tip of external insulation layer stretches into the inside of waterproof insulation cover, waterproof insulation cover also sealed parcel live the tip that stretches into the inside external insulation layer of waterproof insulation cover when the tip of connecting piece body and the link of connector are lived to sealed parcel.
Preferably, a convex ring sealing part is formed on one surface of the waterproof insulating sleeve, and the convex ring sealing part is connected at the outer side wall of the connector in a sealing manner.
Preferably, the convex ring sealing part comprises a first convex ring sealing part and a second convex ring sealing part sleeved with an O-shaped sealing ring, the first convex ring sealing part is connected between the waterproof insulating sleeve and the second convex ring sealing part, and the diameter of the second convex ring sealing part is smaller than that of the first convex ring sealing part, so that a step structure used for limiting the O-shaped sealing ring is formed between the first convex ring sealing part and the second convex ring sealing part.
Preferably, a positioning convex ring part is formed on the other surface of the waterproof insulating sleeve.
Preferably, the connecting piece body is a copper foil flexible connecting body or a hard copper bar body.
Preferably, the copper foil flexible connection body is formed by laminating a plurality of copper foils, two ends of all the copper foils are welded together respectively, so that two ends of the copper foil flexible connection body form hard connection areas, and the copper foil flexible connection body is provided with flexible connection areas, wherein local copper foil parts of the flexible connection areas are not welded together.
As preferred, the connector sets up to the connector of copper, the link surface nickel plating of connector is in order to form nickel plating welded end, the nickel plating welded end of connector inserts in the mounting hole that connecting piece body one end was seted up, the nickel plating welded end of connector is connected with the connecting piece body through laser welding to the nickel plating welded end that makes the connector is in the same place with the full fuse of connecting piece body.
Preferably, the outer insulating layer is provided as a heat shrinkable tube.
Preferably, when the connecting piece body is a copper foil flexible connection body, an internal insulating layer is sleeved outside the flexible connection area of the connecting piece body and located inside the external insulating layer, and the internal insulating layer is a heat shrinkable tube or a glass fiber tube.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model has the advantages of simple structure, reasonable in design is equipped with waterproof insulation cover at the tip of connecting piece body, and waterproof insulation cover can seal the link of wrapping up connecting piece body, connector and stretch into the tip of the inside external insulation layer of waterproof insulation cover, and it can play good sealed and waterproof performance, avoids arousing the condition emergence that the short circuit was on fire because of intaking.
2. The utility model discloses an inside the tip of external insulation layer stretched into waterproof insulation cover, can guarantee the external insulation performance of whole battery module connecting piece, can play good transverse sealing effect again.
3. The utility model discloses can have the bulge loop sealing at the shaping on the surface of waterproof insulation cover, bulge loop sealing is in the lateral wall department of connector, and it can play good vertical sealed effect, further improves sealed effect.
4. The utility model discloses a low pressure mode of moulding plastics goes out waterproof insulating cover at the tip shaping of connecting piece body, can prevent that the sizing material from getting into and making between external insulation layer and the connecting piece body outside insulating layer produce bad convex closure to avoid influencing the thickness of waterproof insulating cover when injection moulding, guarantee the quality and the performance of waterproof insulating cover.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a battery module connecting member according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a battery module connecting member according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a semi-finished product of a battery module connecting piece provided by an embodiment of the present invention;
fig. 4 is a schematic structural view of a waterproof insulating sleeve provided by an embodiment of the present invention;
fig. 5 is an enlarged sectional view of an end structure of a battery module connecting member according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides a battery module connecting piece with a waterproof function, which includes a connecting piece body 1, a connector 2, an external insulating layer 3 and a waterproof insulating sleeve 4, and each component of the embodiment is described in detail below with reference to the accompanying drawings.
In the present embodiment, the connector body 1 may be preferably provided as a copper foil flexible connector body. In the specific preparation process, the copper foil flexible connection body can be formed by laminating a plurality of copper foils, one ends of all the copper foils are mutually welded (such as hot-press welding), and the other ends of the copper foils are also mutually welded, so that hard connection areas 11 are formed at two ends of the copper foil flexible connection body, and the copper foil flexible connection body is provided with flexible connection areas 12 of which local copper foil parts are not mutually welded, as shown in fig. 2. The flexible connection region 12 can facilitate the bending of the copper foil flexible connection body.
Of course, according to actual needs, in other embodiments, the whole hard copper bar body may also be adopted.
As shown in fig. 1 to 3, the connection end of the connection head 2 may be vertically connected at a hard connection region 11 at one or both ends of the connector body 1. The connector 2 can be preferably made of copper, and preferably, the connector body and the connector can be made of oxygen-free copper materials. According to actual needs, the connector can comprise a connecting male head or a connecting female head.
During the specific connection, the link surface of connector 2 can be nickel plated in order to form the nickel plating weld end, and the nickel plating weld end of connector 2 inserts in the mounting hole that 11 departments of the hard joint region of connecting piece body 1 seted up, and the nickel plating weld end of connector 2 is connected with connecting piece body 1 through laser welding to make the nickel plating weld end of connector 2 and connecting piece body 1 fully fuse together.
As shown in fig. 3, the external insulation layer 3 is sleeved outside the connector body 1, the external insulation layer 3 extends toward the direction close to the connector 2, and the hard connection region 11 of the connector body 1 is exposed. In this embodiment, the outer insulating layer 3 may be provided as a heat shrinkable tube.
As shown in fig. 1, 2 and 5, one end or both ends of the connector body 1 are provided with a waterproof insulating sleeve 4, and the waterproof insulating sleeve 4 and the end of the connector body 1 and the connector 2 are integrally injection-molded, so that the waterproof insulating sleeve 4 can be used for sealing and wrapping the end of the connector body 1, the connecting end of the connector 2 and the end of the external insulating layer 3 extending into the waterproof insulating sleeve 4.
Wherein, the inside integrated into one piece that the tip of external insulation layer stretched into waterproof insulating cover can guarantee the external insulation performance of whole battery module connecting piece, can play good transverse sealing effect again.
As shown in fig. 4 and 5, a convex ring sealing portion is also formed on one surface of the waterproof insulating cover 4, and the convex ring sealing portion is connected to the outer side wall of the connector 2 in a sealing manner. In this embodiment, the convex ring sealing portion may include a first convex ring sealing portion 5 and a second convex ring sealing portion 6 for sleeving the O-ring, the first convex ring sealing portion 5 is connected between the waterproof insulating sleeve 4 and the second convex ring sealing portion 6, and the diameter of the second convex ring sealing portion 6 is smaller than that of the first convex ring sealing portion 5, so that a step structure for limiting the O-ring is formed between the first convex ring sealing portion 5 and the second convex ring sealing portion 6.
The bulge loop sealing connection is in the lateral wall department of connector, and it can play good vertical sealed effect, further improves sealed effect. After the O-shaped sealing ring is additionally arranged on the convex ring sealing part, the sealing problem between the connector 2 of the battery module connecting piece and the butt joint connector of the battery module (namely a male connector and a female connector) can be ensured.
In addition, a positioning convex ring part 8 can be molded on the other surface of the waterproof insulating sleeve 4.
As shown in fig. 2, when the connector body 1 is configured as a copper foil flexible connection body, the exterior of the flexible connection region 12 of the connector body 1 may be further provided with an internal insulation layer 7, the internal insulation layer 7 is located inside the external insulation layer 3, and the internal insulation layer 7 may be preferably configured as a heat shrink tube. In this embodiment, the inner and outer heat shrinkable tubes can have good insulation and waterproof properties, and can also enhance the wear resistance of the flexible connection region 12, thereby enhancing the protection of the flexible connection region 12. Of course, in other embodiments, the inner insulating layer 7 may be provided as a glass fiber tube or other insulating material.
The preparation method of the battery module connecting piece comprises the following steps:
(1) vertically connecting the connecting end of the connector 2 to one end or two ends of the connector body 1;
(2) sleeving an external insulating layer 3 outside the connector body 1, wherein the external insulating layer 3 extends towards the direction close to the connector 2, but the end part of the connector body 1 and the connector 2 are exposed;
(3) and (3) putting the semi-finished product of the battery module connecting piece prepared in the step (2) into an injection mold, and forming a waterproof insulating sleeve 4 at one end or two ends of the connecting piece body 1 in a low-pressure injection molding mode, so that the waterproof insulating sleeve 4 can be used for sealing and wrapping the end part of the connecting piece body 1, the connecting end of the connector 2 and the end part of the external insulating layer 3 extending into the waterproof insulating sleeve 4.
Preferably, after putting into injection mold with battery module connecting piece semi-manufactured goods, can also push down the position that is close to waterproof insulating cover 4 on the external insulation layer 3 through the briquetting, it can make the surface that external insulation layer 3 pasted tight connecting piece body 1, reduces the gap between the two, prevents better that the sizing material of shaping waterproof insulating cover from entering into between external insulation layer 3 and the connecting piece body 1.
According to the preparation method, the waterproof insulating sleeve is formed at the end part of the connecting piece body in a low-pressure injection molding mode, and the glue can be prevented from entering between the external insulating layer and the connecting piece body to enable the external insulating layer to generate bad convex hulls, so that the influence on the thickness of the waterproof insulating sleeve during injection molding is avoided (if the external insulating layer generates the convex hulls, the thickness of the waterproof insulating sleeve can become thin), and the quality and the performance of the waterproof insulating sleeve are guaranteed.
To sum up, the utility model has the advantages of simple structure, reasonable in design is equipped with waterproof insulation cover at the tip of connecting piece body, and waterproof insulation cover can seal the link of wrapping up connecting piece body's tip, connector and stretch into the tip of the inside external insulation layer of waterproof insulation cover, and it can play good sealed and waterproof performance, avoids arousing the condition emergence of short circuit on fire because of intaking.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides a take battery module connecting piece of waterproof function, includes connecting piece body and connector, the one end or the both ends at connecting piece body are connected perpendicularly to the link of connector, its characterized in that, connecting piece body's one end or both ends are equipped with waterproof insulating cover, waterproof insulating cover and connecting piece body's tip and the integrative injection moulding of connector to make waterproof insulating cover can seal the link of wrapping up connecting piece body's tip and connector.
2. The battery module connecting piece with the waterproof function according to claim 1, wherein an external insulating layer is sleeved on the external cover of the connecting piece body, the external insulating layer extends towards the direction close to the connector, the end of the external insulating layer extends into the inside of the waterproof insulating sleeve, and the end of the external insulating layer extending into the inside of the waterproof insulating sleeve is also hermetically wrapped by the waterproof insulating sleeve when the end of the connecting piece body and the connecting end of the connector are hermetically wrapped by the waterproof insulating sleeve.
3. The waterproof battery module connecting member as claimed in claim 1, wherein a convex ring sealing part is formed on one surface of the waterproof insulating sleeve, and the convex ring sealing part is sealingly connected to an outer sidewall of the connecting head.
4. The waterproof battery module connecting member according to claim 3, wherein the collar seal comprises a first collar seal and a second collar seal for fitting an O-ring, the first collar seal is connected between the waterproof insulating sleeve and the second collar seal, and the second collar seal has a smaller diameter than the first collar seal, so that a step structure for limiting the O-ring is formed between the first collar seal and the second collar seal.
5. The waterproof battery module connecting piece as claimed in claim 1, wherein a positioning protrusion ring is formed on the other surface of the waterproof insulating sleeve.
6. The waterproof battery module connecting piece of claim 1, wherein the connecting piece body is a copper foil flexible connecting body or a hard copper bar body.
7. The waterproof battery module connecting member as claimed in claim 6, wherein the copper foil flexible connecting body is formed by laminating a plurality of copper foils, both ends of all the copper foils are welded to each other, respectively, so that both ends of the copper foil flexible connecting body form a hard connection region, and the copper foil flexible connecting body is provided with a flexible connection region where local copper foil portions are not welded to each other.
8. The battery module connecting piece with the waterproof function according to claim 1, 6 or 7, wherein the connecting piece is made of copper, the connecting end of the connecting piece is plated with nickel on the surface to form a nickel-plated welding end, the nickel-plated welding end of the connecting piece is inserted into the mounting hole formed in one end of the connecting piece body, and the nickel-plated welding end of the connecting piece is connected with the connecting piece body through laser welding, so that the nickel-plated welding end of the connecting piece is fully fused with the connecting piece body.
9. The waterproof battery module connecting member as claimed in claim 2, wherein the outer insulating layer is a heat shrinkable tube.
10. The battery module connecting piece with the waterproof function according to claim 6 or 7, wherein when the connecting piece body is configured as a copper foil flexible connecting body, an inner insulating layer is sleeved outside a flexible connecting area of the connecting piece body, the inner insulating layer is located inside the outer insulating layer, and the inner insulating layer is configured as a heat shrinkable tube or a glass fiber tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220239692.5U CN217334609U (en) | 2022-01-28 | 2022-01-28 | Take battery module connecting piece of waterproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220239692.5U CN217334609U (en) | 2022-01-28 | 2022-01-28 | Take battery module connecting piece of waterproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217334609U true CN217334609U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220239692.5U Active CN217334609U (en) | 2022-01-28 | 2022-01-28 | Take battery module connecting piece of waterproof function |
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| Country | Link |
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| CN (1) | CN217334609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725590A (en) * | 2022-01-28 | 2022-07-08 | 东莞市万连实业有限公司 | Battery module connecting piece with waterproof function and preparation method thereof |
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2022
- 2022-01-28 CN CN202220239692.5U patent/CN217334609U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725590A (en) * | 2022-01-28 | 2022-07-08 | 东莞市万连实业有限公司 | Battery module connecting piece with waterproof function and preparation method thereof |
| CN114725590B (en) * | 2022-01-28 | 2024-02-02 | 东莞市万连实业有限公司 | Battery module connecting piece with waterproof function |
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