CN206893641U - A kind of Vehicular dynamic battery bag sealing structure - Google Patents
A kind of Vehicular dynamic battery bag sealing structure Download PDFInfo
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- CN206893641U CN206893641U CN201720218364.6U CN201720218364U CN206893641U CN 206893641 U CN206893641 U CN 206893641U CN 201720218364 U CN201720218364 U CN 201720218364U CN 206893641 U CN206893641 U CN 206893641U
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- Prior art keywords
- sealing ring
- sealing
- battery bag
- groove
- case lid
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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
Abstract
The utility model provides a kind of Vehicular dynamic battery bag sealing structure, including：Casing, the casing upper surface have the first outer circumferentially, and first outer has tapped blind holes；Case lid, the case lid lower surface have the second outer circumferentially, and second outer has the through hole corresponding with the tapped blind holes, and the through hole is embedded with sealing shroud；Sealing ring, the sealing ring is between first outer and second outer, for sealing the casing and the case lid.Battery bag sealing structure after the utility model improves is relatively stable, and sealing is strong, it can be ensured that battery bag is not easy into water, so as to extend the service life of electrokinetic cell.
Description
Technical field
It the utility model is related to the power battery technology field of electric automobile, more particularly to a kind of Vehicular dynamic battery Bao Mi
Seal structure.
Background technology
With energy crisis lasting in the world, war and the increase of oil consumption and automobile quantity, the energy increasingly subtract
Few, the invention of electric car will effectively alleviate this matter of great urgency, and electric automobile will turn into the preferable vehicles, electronic vapour
The research and application of car are increasingly taken seriously.Power resources of the electric automobile power battery bag as electric automobile, are electronic
The important component of automobile.Electrokinetic cell bag is typically made up of electrokinetic cell and casing, and electrokinetic cell is encapsulated in casing, case
Body includes upper lid and bottom case.Present electric automobile power battery bag in the case where meeting customer requirement, often require it is corrosion-resistant with
And good airproof performance.Wherein, the sealing of Vehicular dynamic battery bag is a crucial performance, and excellent sealing structure can play anti-
Water, dust-proof effect, the service life of Vehicular dynamic battery can be greatly increased, so as to extend the use year of electric automobile indirectly
Limit.
At present, the sealing structure of modern batteries of electric automobile bag is typically bolted lid and under casing, Shang Gai and bottom
Sealing ring is provided between case.Existing battery bag ring structure designs unreasonable, the generally planar structure in its surface, easy during installation
Positioning, cause installation inconvenience；In addition, the planar structure on sealing ring surface easily surprisingly seep water when, it is difficult to ensure that battery bag is close
The validity of envelope.
A kind of " Vehicular battery bag sealing structure " is disclosed in Chinese patent literature, its notification number is
CN205211808U, the utility model include casing and case lid, and the turnup structure of its casing top outer upper surface and case lid is all
Provided with one-side band glue sealing ring, after the lateral surface of casing and the medial surface of case lid fit, it is fastened by bolts.Need not during installation
Installation, dismounting, correcting sealing circle, operate rapid and convenient.But batteries of electric automobile lodge body passes through bolt in the utility model
Fastening, its casing is via design, still has the hidden danger into water for a long time.Therefore, existing batteries of electric automobile bag how is improved
Sealing, be those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
The utility model is in order to overcome Vehicular dynamic battery bag poor sealing in the prior art, the deficiency easily intake,
A kind of Vehicular dynamic battery bag sealing structure is provided, to strengthen the sealing effectiveness of battery bag.
To achieve these goals, the utility model uses following technical scheme：
A kind of Vehicular dynamic battery bag sealing structure, including：
Casing, the casing upper surface have the first outer circumferentially, and first outer has tapped blind holes；
Case lid, the case lid lower surface have the second outer circumferentially, and second outer has to be attacked with described
The corresponding through hole of silk blind hole, the through hole are embedded with sealing shroud；
Sealing ring, the sealing ring is between first outer and second outer, for sealing the casing
With the case lid.
By setting outer structure to facilitate the assembling of operating personnel on casing and case lid, casing can be made tighter with case lid
Fitting, be easily installed bolt assembly；Inlay sealing shroud in the through hole of the second outer, bolt and case lid can be strengthened during assembling
Sealing between through hole, the problem of avoiding bolt bolt head from easily intaking.Battery bag casing uses through hole more in the prior art
Design, during installation, bolt needs to be used cooperatively through through hole and nut, and dismounting is cumbersome, and has the hidden danger into water for a long time.This reality
Directly bolt and tapped blind holes are matched somebody with somebody by being provided with the tapped blind holes being adapted with bolt on the first outer, during installation with new
Close and use, fastened without attaching nut, make the installation and removal of battery bag more convenient, this structure closure is good, solves case
The drawbacks of body via design is easily intake for a long time, the excellent sealing of box body bolt lower end part is enhanced, so as to ensure that electricity
Chi Bao sealing.
Preferably, the sealing ring lower surface is provided with spaced apart locating dowel, first outer is provided with and institute
The first adaptable groove of sealing ring is stated, the locating slot corresponding with the locating dowel is provided with first groove.
The positioning of post design sealing ring is positioned fast by sealing ring, is not easy positioning, while have to sealing ring position
Fixed effect for a long time, so as to ensure sealing effectiveness of the sealing ring to battery bag.
Preferably, the sealing ring upper surface has spaced apart second groove.
Groove design makes sealing ring upper surface and case lid lower surface have less contact area, pressure increase, sealing
Enhancing；In addition, when unexpected infiltration occurs for battery bag, the groove of sealing ring upper surface can temporarily store water, prevent from seeping water into one
Step penetrates into battery, so as to extend the service life of electrokinetic cell.
Preferably, the sealing ring upper surface has the fin of at least two circles, the fin is located at second groove
Both sides.
The fin, which designs, causes sealing ring to have triple waterproof constructions, greatly strengthen sealing effectiveness.
Preferably, the sealing ring is provided with the sets of holes corresponding with the tapped blind holes, it is provided with the sets of holes stainless
Steel limiting bush.
The intensity of sealing ring can be increased, extend the service life of sealing ring, safeguard the sealing effectiveness of battery bag.
Preferably, the sealing ring is joined end to end by rubber tube forms hollow structure, the outside tool of first groove
There is spaced apart 3rd groove, the 3rd recessed grain is built-in with air bag, and the air bag is connected by connecting tube and the sealing ring
It is logical.
In installation process, because pressure acts on, the air in the 3rd groove in air bag enters sealing by connecting tube
In circle so that gas pressure intensity increases in sealing ring, can be preferably bonded with battery bag case lid, so as to strengthen sealing.
Therefore, the utility model has the advantages that：Battery bag sealing structure after improvement is more stable, has more
Weight waterproof measure, battery bag good sealing effect, is not easy into water, so as to extend the service life of electrokinetic cell.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a kind of structural representation of the utility model sealing ring.
Fig. 3 is the structural representation of the utility model sealing ring sets of holes and stainless steel limiting bush.
Fig. 4 is the structural representation of the utility model sealing shroud.
Fig. 5 is another structural representation of the utility model sealing ring.
Fig. 6 is the mounting structure schematic diagram of the sealing ring in Fig. 5.
In figure：1st, case lid, the 11, second outer, 111, sealing shroud, 2, casing, the 21, first outer, the 211, first groove,
212nd, tapped blind holes, 213, locating slot, the 214, the 3rd groove, 3, sealing ring, 31, locating dowel, 32, sets of holes, 321, stainless steel limit
Position bushing, 33, fin, the 34, second groove, 35, air bag, 36, connecting tube, 4, bolt.
Embodiment
Below by specific embodiment, and with reference to accompanying drawing, the technical solution of the utility model is made more specifically
It is bright.
Embodiment one：
As Figure 1-Figure 4, a kind of Vehicular dynamic battery bag sealing structure, including case lid 1, casing 2, sealing ring 3 and spiral shell
Bolt 4.Casing upper surface has the first outer 21 circumferentially, and the first outer is provided with the tapped blind holes being adapted with bolt
212.Case lid lower surface has the second outer 11 circumferentially, and the second outer has corresponding with the tapped blind holes lead to
Hole, through hole are embedded with sealing shroud 111.Sealing ring is between first outer and second outer, first outer
The first groove 211 being adapted with sealing ring is provided with, sealing ring is placed in the first groove.
Specifically, reference picture 4, sealing shroud is " work " word structure, and the axial cross section of its upper surface is in the arc of evagination, in it
The axial cross section on surface is in the arc of convex, in assembling process, as shown in figure 1, bolt by sealing shroud through on the second outer
Through hole and the first outer fasten, pressure effect under, sealing shroud is deformed upon, and its upper surface is bonded with bolt head, its interior table
Face is bonded with bolt column body phase, and sealing is inadequate after case lid through hole installation bolt so as to solving, the problem of easily water inlet.
By setting outer structure to facilitate the assembling of operating personnel on casing and case lid, casing can be made tighter with case lid
Fitting, be easily installed bolt assembly；Inlay the sealing shroud of " work " word structure in the through hole of the second outer, can increase during assembling
Sealing between strength bolt and case lid through hole, the problem of avoiding bolt head from easily intaking.Battery bag casing in the prior art
More use via design, during installation, bolt needs to be used cooperatively through through hole and nut, dismantles cumbersome, and has for a long time into water
Hidden danger.The utility model on the first outer by being provided with the tapped blind holes being adapted with bolt, directly by bolt during installation
It is used cooperatively with tapped blind holes, is fastened without attaching nut, make the installation and removal of battery bag more convenient, this structure closure
It is good, solve the drawbacks of casing via design is easily intake for a long time, enhance the excellent sealing of box body bolt lower end part, from
And it ensure that the sealing of battery bag.
Further, sealing ring has the sets of holes 32 corresponding with tapped blind holes, and the lower surface of sealing ring is provided with interval cloth
The locating dowel 31 put, the first groove are provided with the locating slot 213 being adapted with the locating dowel.
When assembling battery bag, first the locating dowel of sealing ring is placed in locating slot, the position of fixed seal ring, prevents from sealing
Circle is shifted over.Screw bolt passes case lid through hole and sealing ring sets of holes are tightened with casing tapped blind holes, and casing and case lid is tight
Gu.The present embodiment is designed using blind hole, quick and easy for installation, is fixed relative to existing Vehicular dynamic battery bag using bolt, one
Aspect can avoid via design from having the hidden danger into water for a long time, and another instant noodles are directly by tap bolt tapping, without installation
Nut, operating process simple and fast.
Optionally, in the present embodiment, a nut can be embedded in the outer of casing second in advance, is used cooperatively with bolt,
The effect above can be played.
Further, sealing ring upper surface is provided with spaced apart second groove 34, and being shaped as the second groove is trapezoidal, square
One or more of combinations in shape, circle, ellipse.
In assembling process, sealing ring can deform upon when being extruded by case lid and casing, and groove design with it is existing
Planar design in technology is compared, and sealing ring upper surface has less contact area, pressure increase, sealing with case lid lower surface
Property enhancing；In addition, when battery bag surprisingly seeps water, the groove of sealing ring upper surface can temporarily store water, prevent that infiltration is further
Battery is penetrated into, so as to extend the service life of electrokinetic cell.
Further, sealing ring upper surface has the fin 33 parallel to sealing ring edge, and the fin is linear structure, convex
Rib is located at the both sides of second groove.Relative to the planar design on sealing ring surface in the prior art, linear structure and case lid
With smaller contact area, in the case where pressure is certain, bigger pressure is produced, so as to strengthen sealing effectiveness.Work as battery
During bag water inlet, the fin on the outside of the groove of sealing ring second can be as the first line of defence of waterproof, and water reaches a timing, enters
Second groove, if infiltration is overflowed in the second groove, the fin that can be surveyed in the second groove stops, prevents water from entering battery bag
It is internal.The fin, which designs, causes sealing ring to have triple waterproof constructions, greatly strengthen sealing effectiveness, it is easy to accomplish electrokinetic cell
Bag sealing grade reaches IP68.
Further, reference picture 3, sealing ring sets of holes are interior to be provided with stainless steel limiting bush 321, the stainless steel limiting bush
Diameter is more than the diameter in bolt section, while less than the diameter of sealing ring sets of holes.
During the long-term use of battery bag, the sets of holes of sealing ring are easily worn with bolt, produce destruction, are influenceed
Sealing effectiveness, the utility model are provided with stainless steel limiting bush between bolt and sealing ring sets of holes, can increase sealing ring
Intensity, extend the service life of sealing ring, safeguard the sealing effectiveness of battery bag.In addition, in installation process, the sets of holes of sealing ring
It can not be well bonded with bolt, easily produce gap, easily infiltration.The present embodiment is set between bolt and sealing ring sets of holes
There is stainless steel limiting bush, gap can be reduced, strengthen the sealing effectiveness of battery bag.
Embodiment two：
As shown in figs 1 to 6, a kind of Vehicular dynamic battery bag sealing structure, including case lid 1, casing 2, sealing ring 3 and spiral shell
Bolt 4.Casing upper surface has the first outer 21 circumferentially, and the first outer is provided with the tapped blind holes being adapted with bolt
212.Case lid lower surface has the second outer 11 circumferentially, and the second outer has to be led to what the tapped blind holes were adapted
Hole, through hole are embedded with sealing shroud 111.Sealing ring is between first outer and second outer, first outer
The first groove 211 being adapted with sealing ring is provided with, sealing ring is placed in the first groove.
Specifically, reference picture 4, sealing shroud is " work " word structure, and the axial cross section of its upper surface is in the arc of evagination, in it
The axial cross section on surface is in the arc of convex, in assembling process, as shown in figure 1, bolt by sealing shroud through on the second outer
Through hole and the first outer fasten, pressure effect under, sealing shroud is deformed upon, and its upper surface is bonded with bolt head, its interior table
Face is bonded with bolt column body phase, and sealing is inadequate after case lid through hole installation bolt so as to solving, the problem of easily water inlet.
By setting outer structure to facilitate the assembling of operating personnel on casing and case lid, casing can be made tighter with case lid
Fitting, be easily installed bolt assembly；Inlay the sealing shroud of " work " word structure in the through hole of the second outer, can increase during assembling
Sealing between strength bolt and case lid through hole, the problem of avoiding bolt head from easily intaking.Battery bag casing in the prior art
More use via design, during installation, bolt needs to be used cooperatively through through hole and nut, dismantles cumbersome, and has for a long time into water
Hidden danger.The utility model on the first outer by being provided with the tapped blind holes being adapted with bolt, directly by bolt during installation
It is used cooperatively with tapped blind holes, is fastened without attaching nut, make the installation and removal of battery bag more convenient, this structure closure
It is good, solve the drawbacks of casing via design is easily intake for a long time, enhance the excellent sealing of box body bolt lower end part, from
And it ensure that the sealing of battery bag.
Further, the lower surface of sealing ring is provided with spaced apart locating dowel 31, the first groove be provided with it is described fixed
The adaptable locating slot 213 of position post.
When assembling battery bag, first the locating dowel of sealing ring is placed in locating slot, the position of fixed seal ring, prevents from sealing
Circle is shifted over.Screw bolt passes case lid through hole and sealing ring sets of holes are tightened with casing tapped blind holes, and casing and case lid is tight
Gu.The present embodiment is designed using blind hole, quick and easy for installation, is fixed relative to existing Vehicular dynamic battery bag using bolt, one
Aspect can avoid via design from having the hidden danger into water for a long time, and another instant noodles are directly by tap bolt tapping, without installation
Nut, operating process simple and fast.
Optionally, in the present embodiment, a nut can be embedded in the outer of casing second in advance, is used cooperatively with bolt,
The effect above can be played.
Further, sealing ring upper surface is provided with spaced apart second groove 34, and being shaped as the second groove is trapezoidal, square
One or more of combinations in shape, circle, ellipse.
In assembling process, sealing ring can deform upon when being extruded by case lid and casing, and groove design with it is existing
Planar design in technology is compared, and sealing ring upper surface has less contact area, pressure increase, sealing with case lid lower surface
Property enhancing；In addition, when battery bag surprisingly seeps water, the groove of sealing ring upper surface can temporarily store water, prevent that infiltration is further
Battery is penetrated into, so as to extend the service life of electrokinetic cell.
Further, sealing ring upper surface has the fin 33 parallel to sealing ring edge, and the fin is linear structure, convex
Rib is located at the both sides of second groove.Relative to the planar design on sealing ring surface in the prior art, linear structure and case lid
With smaller contact area, in the case where pressure is certain, bigger pressure is produced, so as to strengthen sealing effectiveness.Work as battery
During bag water inlet, the fin on the outside of the groove of sealing ring second can be as the first line of defence of waterproof, and water reaches a timing, enters
Second groove, if infiltration is overflowed in the second groove, the fin that can be surveyed in the second groove stops, prevents water from entering battery
Bag.The fin, which designs, causes sealing ring to have triple waterproof constructions, greatly strengthen sealing effectiveness, it is easy to accomplish electrokinetic cell bag
Sealing grade reaches IP68.
Further, the sealing ring is joined end to end by rubber tube forms hollow structure, the outside tool of first groove
Have spaced apart 3rd groove 214, the 3rd recessed grain is built-in with air bag 35, the air bag by connecting tube 36 with it is described close
Seal connects.
Specifically, the depth of the 3rd groove is slightly shallower than the first groove so that air bag is higher than sealing ring.When assembling battery bag,
The case lid of battery bag is bonded to each other with casing, because air bag is higher than sealing ring, is first squeezed, and the gas pressure intensity in air bag increases
Greatly, entered by connecting tube in the pipe of sealing ring, increase the volume of sealing ring so that sealing ring can be more preferable with battery bag case lid
Fitting, strengthen the sealing of battery bag.
Claims (6)
1. a kind of Vehicular dynamic battery bag sealing structure, including：
Casing, the casing upper surface have the first outer circumferentially, and first outer has tapped blind holes；
Case lid, the case lid lower surface have the second outer circumferentially, and second outer has blind with the tapping
The corresponding through hole in hole, the through hole are embedded with sealing shroud；
Sealing ring, the sealing ring is between first outer and second outer, for sealing the casing and institute
State case lid.
2. Vehicular dynamic battery bag sealing structure according to claim 1, it is characterised in that the sealing ring lower surface is set
There is spaced apart locating dowel, first outer is provided with the first groove being adapted with the sealing ring, and described first is recessed
The locating slot corresponding with the locating dowel is provided with groove.
3. Vehicular dynamic battery bag sealing structure according to claim 1, it is characterised in that the sealing ring upper table mask
There is spaced apart second groove.
4. Vehicular dynamic battery bag sealing structure according to claim 3, it is characterised in that the sealing ring upper table mask
There is the fin of at least two circles, the fin is located at the both sides of second groove.
5. Vehicular dynamic battery bag sealing structure according to claim 1, it is characterised in that the sealing ring is provided with and institute
The corresponding sets of holes of tapped blind holes are stated, stainless steel limiting bush is provided with the sets of holes.
6. Vehicular dynamic battery bag sealing structure according to claim 2, it is characterised in that the sealing ring is by rubber tube
Join end to end to form hollow structure, the outside of first groove has spaced apart 3rd groove, in the 3rd recessed grain
Air bag is equipped with, the air bag is connected by connecting tube with the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720218364.6U CN206893641U (en) | 2017-03-07 | 2017-03-07 | A kind of Vehicular dynamic battery bag sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720218364.6U CN206893641U (en) | 2017-03-07 | 2017-03-07 | A kind of Vehicular dynamic battery bag sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206893641U true CN206893641U (en) | 2018-01-16 |
Family
ID=61328812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720218364.6U Active CN206893641U (en) | 2017-03-07 | 2017-03-07 | A kind of Vehicular dynamic battery bag sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206893641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616686A (en) * | 2018-12-11 | 2019-04-12 | 中国科学院大连化学物理研究所 | It is a kind of to improve the fuel cell seal gasket construction for resisting sliding ability |
| CN112331976A (en) * | 2020-08-31 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Box, battery, electric equipment and assembling method of box |
-
2017
- 2017-03-07 CN CN201720218364.6U patent/CN206893641U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616686A (en) * | 2018-12-11 | 2019-04-12 | 中国科学院大连化学物理研究所 | It is a kind of to improve the fuel cell seal gasket construction for resisting sliding ability |
| CN112331976A (en) * | 2020-08-31 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Box, battery, electric equipment and assembling method of box |
| CN112331976B (en) * | 2020-08-31 | 2023-09-01 | 宁德时代新能源科技股份有限公司 | Box body, battery, electric equipment and assembly method of box body |
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Date of cancellation: 20210222 Granted publication date: 20180116 |
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