CN208774501U - A kind of fixed device of power battery pack and automobile - Google Patents
A kind of fixed device of power battery pack and automobile Download PDFInfo
- Publication number
- CN208774501U CN208774501U CN201821479092.6U CN201821479092U CN208774501U CN 208774501 U CN208774501 U CN 208774501U CN 201821479092 U CN201821479092 U CN 201821479092U CN 208774501 U CN208774501 U CN 208774501U
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- nut
- battery pack
- power battery
- fixed device
- clamping groove
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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 kind of fixed device of power battery pack and automobile, is related to electric vehicle engineering field, solves in the prior art that caused nut can not be replaced on vehicle frame by the nut-welding of fixed power battery pack, the problem bad using fixed effect of exceeding the time limit.The fixed device of the power battery pack includes bolt, nut and the clamping portion fixed with vehicle frame, clamping portion includes the clamping groove that bottom is equipped with bolt hole, the center of nut is equipped with threaded hole, clamping groove is in interference fit with the nut lock-nut, bolt is used to successively penetrate the nut thread connection of battery pack housing, bolt hole and locking, fixed power battery pack housing.The automobile includes the fixed device of power battery pack that above-mentioned technical proposal is mentioned.
Description
Technical field
The utility model relates to electric vehicle engineering field more particularly to a kind of fixed devices of power battery pack and automobile.
Background technique
With the development of social economy, the raising of mankind's energy conservation and environmental awareness, electric car is more next as new-energy automobile
More become the direction of future automobile development.Wherein, the energy-storage system of electric car, such as: battery is the key that electric car portion
Part.And currently, the charging time of the battery of electric car is usually all long, course continuation mileage is relatively short, this, which becomes, restricts electricity
The universal principal element of electrical automobile.Under the premise of existing battery technology is difficult to obtain compared with quantum jump, replacement battery pack becomes
Solve the problems, such as the main path of electric car continuation of the journey.That is, when the battery capacity deficiency of electric car, it can be direct in electrical changing station
A fully charged battery pack is replaced, thus extending driving range.
It is well known that the battery pack volume of electric car is big, weight is big, it is only firmly installed in ability on vehicle frame
Guarantee the traffic safety of automobile；The prior art frequently with installation fixed form include the following two kinds, the first be pin shaft lockset
Formula installing mechanism, such structure has the characteristics that structure is simple, installation is efficient, but works as vehicle in the case where extreme collision,
It may result in the risk that battery pack is separated with vehicle frame, there are potential security risks；Second is bolt matable structure, will
Nut-welding realizes the fixed installation of battery pack housing and vehicle frame by the cooperation of bolts and nuts on vehicle frame, but is having
During gymnastics is made, since the service life of welded nut is limited (usually 10 times), when the number of replacement battery pack exceeds spiral shell
After female service life, it will influence the effect of its fixation, and then may cause the generation of safety accident.
Utility model content
The purpose of this utility model is to provide a kind of fixed device of power battery pack and automobiles, solve in the prior art
By the nut-welding of fixed power battery pack, caused nut can not be replaced on vehicle frame, exceed the time limit to ask using fixed effect is bad
Topic.
To achieve the goals above, the one side of the utility model provides a kind of fixed device of power battery pack, including spiral shell
Bolt, nut and the clamping portion fixed with vehicle frame, the clamping portion include the clamping groove that bottom is equipped with bolt hole, the nut
Center is equipped with threaded hole, and nut described in the clamping groove and nut interference fit locking, the bolt is for successively penetrating
The nut thread of the battery pack housing, the bolt hole and locking connects, fixed power battery pack housing.
Preferably, the nut is equipped at least a set of positioning component, and the positioning component includes spin body and channel, institute
The both ends for stating channel are respectively provided with a limiting slot, and the volume of the limiting slot is greater than the volume of the spin body, the limiting slot
For the spin body to be limited in groove body, the spin body at both ends passes through the compressed spring connection in channel；
When the extruding force that the spin body is subject to is greater than the spring force of compressed spring effect, the spin body is compressed
Into in the limiting slot；
When the extruding force that the spin body is subject to is less than or equal to the spring force of compressed spring effect, the spin body
It is restricted at the limiting slot.
Preferably, the cell wall of the clamping groove offers location hole corresponding with the spin body, the location hole is used for
The contraposition of the nut.
Optionally, the nut is polygonized structure, and the clamping groove is polygon card corresponding with the nut structure
Access slot, the clamping groove connect and fix the nut of identical polygonized structure by the groove body of polygonized structure.
Further, the clamping portion further includes guide frame and changes part slot, and the clamping groove passes through the guide frame
It is connected to the part slot that changes, the part slot that changes is for replacing the nut.
Preferably, the groove body for changing part slot is greater than the groove body of the clamping groove.
Preferably, the bottom for changing part slot is equipped with opening, and the nut passes through opening quilt from the clamping portion
It takes out or is placed into, complete the replacement of the nut.
Optionally, stepped hole is additionally provided on the nut, the stepped hole is used to facilitate the crawl of nut.
Illustratively, the bolt includes fastening screw and body, and the diameter of the bolt hole is in the bolt
Between the diameter of body and the diameter of the fastening screw.
Compared with prior art, the fixed device of power battery pack provided by the utility model has the advantages that
In the fixed device of power battery pack provided by the utility model, including bolt, nut and clamping portion, and clamping portion is solid
It is scheduled on vehicle frame, specifically, clamping portion includes that bottom is equipped with bolt hole clamping groove, by the nut that will be equipped with screwed hole of centre
It is placed in clamping groove, so that nut and clamping groove are in interference state, it is then logical using screw bolt passes battery pack housing, bolt
Hole is threadedly coupled with the threaded hole of nut, during bolt screws, since the nut of interference state will not rotate with it, because
This can easy manipulation bolt realize and fastened with nut, and then complete fixation to battery pack housing；Similarly, in bolt reverse rotation
In the process, be in that the nut of interference state is same to be rotated with it with clamping groove, thus can also easy manipulation bolt realize pair
Nut replacement is completed in the disassembly of nut.
As it can be seen that the utility model is arranged by the interference of nut and clamping groove, i.e., matched by the interference of clamping groove and nut
Close lock-nut, nut is in relatively-stationary state when ensure that bolt rotation, such setting can not only realize with it is existing
Nut-welding effect similarly fixed on vehicle frame in technology, but also can be realized the detachable of nut and/or bolt, into
And can to exceed the time limit using nut and/or bolt convenient changing.
The one side of the utility model provides a kind of automobile, including the fixed dress of power battery pack described in above-mentioned technical proposal
It sets.
Compared with prior art, the power that the beneficial effect Yu above-mentioned technical proposal of automobile provided by the utility model provide
The beneficial effect of battery pack fixing device is identical, and this will not be repeated here.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the sectional structure chart of the fixed device of power battery pack in embodiment one；
Fig. 2 is the schematic perspective view of clamping portion in Fig. 1；
Fig. 3 is the schematic perspective view of nut in Fig. 1；
Fig. 4 is the schematic diagram of the section structure of nut in Fig. 1.
Appended drawing reference:
The clamping portion 1-, 2- nut；
3- bolt, 11- clamping groove；
12- guide frame, 13- change part slot；
21- threaded hole, 22- positioning component；
23- stepped hole, 111- location hole；
112- bolt hole, 221- compressed spring；
222- spin body, 223- limiting slot；
The channel 224-.
Specific embodiment
It is practical below in conjunction with this to keep the above objects, features, and advantages of the utility model more obvious and easy to understand
Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, institute
The embodiment of description is only the utility model a part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, those of ordinary skill in the art's all other implementation obtained without creative labor
Example belongs to the range of the utility model protection.
Embodiment one
The fixed device of power battery pack provided in this embodiment referring to FIG. 1 to FIG. 4, including bolt 3, nut 2 and and vehicle
The fixed clamping portion 1 of frame, clamping portion 1 include the clamping groove 11 that bottom is equipped with bolt hole 112, and the center of nut 2 is equipped with screw thread
Hole 21, clamping groove 11 and nut 2 are interference fitted lock-nut 2, and bolt 3 is for successively penetrating battery pack housing, bolt hole 112
It is threadedly coupled with the nut 2 of locking, fixed power battery pack housing.
In the fixed device of power battery pack provided in this embodiment, including bolt 3, nut 2 and clamping portion 1, and clamping portion 1
It is fixed on vehicle frame, specifically, clamping portion 1 includes the clamping groove 11 that bottom is equipped with bolt hole 112, by that will be equipped with center spiral shell
The nut 2 of pit 21 is placed in clamping groove 11, so that nut 2 and clamping groove 11 are in interference state, is then successively worn using bolt 3
Cross battery pack housing, bolt hole 112 is threadedly coupled with the threaded hole 21 of nut 2, during bolt 3 screws, due to mistake
The nut 2 of state of being full of will not rotate with it, thus can easy manipulation bolt 3 realize and fastened with nut 2, and then complete to battery pack
The fixation of shell；Similarly, during 3 reverse rotation of bolt, being in the nut 2 of interference state with clamping groove 11 equally will not be with
Rotation, therefore can also easy manipulation bolt 3 realize disassembly to nut 2, complete nut 2 and replace.
It is understood that fixed form of the clamping portion on vehicle frame is varied, the present embodiment is not herein to above-mentioned solid
Determine mode to be defined, for example, can be the fixed forms such as " welding ", " punching press " " riveting " " bolt fastening ".
As it can be seen that the present embodiment is arranged by the interference of nut 2 and clamping groove 11, that is, pass through the mistake of clamping groove 11 and nut 2
It is full of and cooperates lock-nut 2, ensure that nut 2 is in relatively-stationary state when bolt 3 rotates, such setting can not only be realized
It is welded on vehicle frame similarly fixed effect with nut 2 in the prior art, but also can be realized nut 2 and/or bolt 3
Detachably, so can to exceed the time limit using 3 convenient changing of nut 2 and/or bolt.
Specifically, Fig. 3 and Fig. 4 are please referred to, the nut 2 in above-described embodiment is equipped at least a set of positioning component 22, fixed
Hyte part 22 includes spin body 222 and channel 24, and the both ends in channel 24 are respectively provided with a limiting slot 223, and the volume of limiting slot 223
Greater than the volume of spin body 222, for spin body 222 to be limited in groove body, the spin body 222 at both ends passes through limiting slot 223
Compressed spring 221 in channel 24 connects；
When the extruding force that spin body 222 is subject to is greater than the spring force that compressed spring 221 acts on, spin body 222 is compressed into
In limiting slot 223；
When the extruding force that spin body 222 is subject to is less than or equal to the spring force that compressed spring 221 acts on, 222 quilt of spin body
It is limited at limiting slot 223.
It is corresponding with above-described embodiment to be, location hole corresponding with spin body 222 is offered on the cell wall of clamping groove 11
111, location hole 111 is used for the contraposition of nut 2.
When it is implemented, the quantity of positioning component 22 is two sets, and the screwed hole of centre 21 of nut 2 is arranged in distribution in the same direction
Two sides, clamping groove 11 have three face cell walls, and the two-port in channel 24 is correspondingly arranged with opposite two sides cell wall respectively；Wherein, each
Positioning component 22 includes two two spin bodies 222, channel 24, the limiting slot 223 for being located at 24 both ends of channel and connection spin bodies
222 compressed spring 221 in order to guarantee that spin body 222 can possess flexible scroll space in limiting slot 223, therefore needs
The volume setting of limiting slot 223 is greater than to the volume of spin body 222, so that when the extruding force that spin body 222 is subject to is less than or waits
When the active force of compressed spring 221, there can be fraction sphere to be overhanged limiting slot 223 and play position-limiting action, and work as spin
When the extruding force that body 222 is subject to is greater than the active force of compressed spring 221, spring can be further compressed, so that spin body 222 is complete
It is compressed in limiting slot 223 entirely, facilitates the accessible installation of nut 2；For the clearer statement above process, this implementation
Example is to its exemplary illustration, during the merging of nut 2 is slightly larger than clamping groove 11 of its volume, with the depth of merging process
Entering, the sphere overhanged can also be increased with it by the pressure of cell wall, and synchronous is that compressed spring 221 is further compressed,
Illustrate that nut 2 is fully recessed into clamping groove 11 when until spin body 222 is compressed to completely in clamping groove 11, in addition,
Since the cell wall corresponding position of clamping groove 11 is equipped with the location hole 111 of recess, when the position of nut 2 is in pre-position
When, under the reaction force of spring compression force, spin body 222 will be overhanged from limiting slot 223, so that spin body 222
Part sphere is bonded with location hole 111, shows that nut 2 has entered the predetermined position of clamping groove 11 at this time, i.e., nut 2 is by clamping groove
11 interference lockings.
As it can be seen that passing through the setting of positioning component 22, it can be ensured that nut 2 can accurately enter the predetermined position of clamping groove 11,
The accurate locking to nut 2 can be realized in turn.
Illustratively, Fig. 2 and Fig. 3 are please referred to, the nut 2 in above-described embodiment be polygonized structure, clamping groove 11 be with
The corresponding polygon clamping groove 11 of 2 structure of nut, clamping groove 11 connect and fix identical polygon by the groove body of polygonized structure
The nut 2 of structure.By the way that the groove body of clamping groove 11 and nut 2 are arranged to polygon, locking preferably can be carried out to nut 2.
For example, nut 2 is quadrangle nut 2, pentagon nut 2 or six-sided nut 2.
Further, referring to Fig. 2, the clamping portion 1 in above-described embodiment further includes guide frame 12 and changes part slot 13, block
Access slot 11 is connected to by guide frame 12 with part slot 13 is changed, and changes part slot 13 for replacing nut 2.
The groove body for changing part slot 13 is greater than the groove body of clamping groove 11.
The bottom for changing part slot 13 is equipped with opening, and nut 2 is removed or is placed into from clamping portion 1 by opening, completes spiral shell
The replacement of mother 2.
It has put convenient for the crawl of nut 2, has been additionally provided with stepped hole 23 on the nut 2 in above-described embodiment.
Replacing nut 2, detailed process is as follows, preferred to remove the bolt 3 for fastening clamping portion 1 dismounting, then passes through machinery
Hand grabs the nut to be replaced 2 in clamping groove 11, and is moved to and is changed in part slot 13 through guide frame 12, is allowed to logical
The opening taking-up for changing 13 bottom of part slot is crossed, later, new nut 2 is grabbed by manipulator, the inverse process to repeat the above steps will
New nut 2 is placed in clamping portion 1, and successively penetrates battery pack housing, 3 through-hole of bolt and new 2 screw thread of nut using new bolt 3 and connect
It connects, completes the mating replacement of new nut 2 and new bolt 3.
As it can be seen that usually being adopted to solve the technical bottleneck that the electric car charging time is long, course continuation mileage is short in the prior art
It takes and replaces the technological means of power battery pack rapidly to solve the above problems；For example, during replacing power battery pack, it is first
It first needs to remove the fixed device of power battery pack, and the fixed device of existing power battery pack is usually to weld nut 2
Extremely on vehicle frame, therefore only need removal bolt 3 that can remove power battery pack, although such structure have structure it is simple, at
This low advantage, still, during frequently disassembly power battery pack, the service life of nut 2 will be gradually reduced, therefore
When the number of disassembly reaches the service life upper limit of nut 2, fixed effect will have a greatly reduced quality, and then it is hidden to there is safety
Suffer from, and use structure design in the present embodiment, it can be achieved that bolt 3 and nut 2 periodic replacement, the very good solution prior art
The problem of.
Illustratively, bolt 3 includes fastening screw and body in above-described embodiment, at the diameter of bolt hole 112
Between the diameter of body and the diameter of fastening screw.Such design is to increase fastening screw and power battery pack housing
Contact surface realize preferably fixed effect so that the stress surface of power battery pack housing increases.
Embodiment two
The utility model embodiment provides a kind of automobile, which includes that the power battery pack in embodiment one such as is fixed
Device.
Compared with prior art, the beneficial effect of automobile provided by the embodiment of the utility model and above-described embodiment one provide
The fixed device of power battery pack beneficial effect it is identical, this will not be repeated here.
In the description of above embodiment, particular features, structures, materials, or characteristics can be at any one or more
It can be combined in any suitable manner in a embodiment or example.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of fixed device of power battery pack, which is characterized in that including bolt, nut and the clamping portion fixed with vehicle frame, institute
Stating clamping portion includes the clamping groove that bottom is equipped with bolt hole, and the center of the nut is equipped with threaded hole, the clamping groove and institute
State nut interference fit locking described in nut, the bolt for successively penetrate the battery pack housing, the bolt hole with
The nut thread of locking connects, fixed power battery pack housing.
2. the fixed device of power battery pack according to claim 1, which is characterized in that the nut is equipped at least a set of
Positioning component, the positioning component include spin body and channel, and the both ends in the channel are respectively provided with a limiting slot, and the limit
The volume of slot is greater than the volume of the spin body, and the limiting slot is for the spin body to be limited in groove body, the institute at both ends
It states spin body and passes through the compressed spring connection in channel；
When the extruding force that the spin body is subject to is greater than the spring force of compressed spring effect, the spin body is compressed into institute
It states in limiting slot；
When the extruding force that the spin body is subject to is less than or equal to the spring force of compressed spring effect, the spin body is limited
It is formed at the limiting slot.
3. the fixed device of power battery pack according to claim 2, which is characterized in that the cell wall of the clamping groove offers
Location hole corresponding with the spin body, the location hole are used for the contraposition of the nut.
4. the fixed device of power battery pack according to claim 1, which is characterized in that the nut is polygonized structure,
The clamping groove is polygon clamping groove corresponding with the nut structure, and the clamping groove passes through the groove body card of polygonized structure
Connect the nut of the stationary phase with polygonized structure.
5. the fixed device of power battery pack according to claim 4, which is characterized in that the clamping portion further includes guiding knot
Structure and change part slot, the clamping groove be connected to by the guide frame with the part slot that changes, described to change described in part slot is used to replace
Nut.
6. the fixed device of power battery pack according to claim 5, which is characterized in that the groove body for changing part slot is greater than institute
State the groove body of clamping groove.
7. the fixed device of power battery pack according to claim 5, which is characterized in that the bottom for changing part slot is equipped with and opens
Mouthful, the nut is removed or is placed into from the clamping portion by the opening, completes the replacement of the nut.
8. the fixed device of power battery pack according to claim 1, which is characterized in that be additionally provided with ladder on the nut
Hole, the stepped hole are used to facilitate the crawl of nut.
9. the fixed device of power battery pack according to claim 1, which is characterized in that the bolt include fastening screw and
The diameter of body, the bolt hole is between the diameter of the body and the diameter of the fastening screw.
10. a kind of automobile, which is characterized in that including the fixed device of power battery pack of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479092.6U CN208774501U (en) | 2018-09-10 | 2018-09-10 | A kind of fixed device of power battery pack and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821479092.6U CN208774501U (en) | 2018-09-10 | 2018-09-10 | A kind of fixed device of power battery pack and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208774501U true CN208774501U (en) | 2019-04-23 |
Family
ID=66160529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821479092.6U Active CN208774501U (en) | 2018-09-10 | 2018-09-10 | A kind of fixed device of power battery pack and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208774501U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050234A (en) * | 2018-09-10 | 2018-12-21 | 汽-大众汽车有限公司 | A kind of fixed device of power battery pack and automobile |
| CN112477677A (en) * | 2019-09-10 | 2021-03-12 | 广州汽车集团股份有限公司 | Battery quick change mechanism and car |
| CN113090219A (en) * | 2021-06-09 | 2021-07-09 | 西南石油大学 | Downhole blowout preventer |
-
2018
- 2018-09-10 CN CN201821479092.6U patent/CN208774501U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050234A (en) * | 2018-09-10 | 2018-12-21 | 汽-大众汽车有限公司 | A kind of fixed device of power battery pack and automobile |
| CN109050234B (en) * | 2018-09-10 | 2024-09-03 | 一汽-大众汽车有限公司 | Power battery package fixing device and car |
| CN112477677A (en) * | 2019-09-10 | 2021-03-12 | 广州汽车集团股份有限公司 | Battery quick change mechanism and car |
| CN113090219A (en) * | 2021-06-09 | 2021-07-09 | 西南石油大学 | Downhole blowout preventer |
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