CN108980184A - A kind of fixed device and automobile - Google Patents
A kind of fixed device and automobile Download PDFInfo
- Publication number
- CN108980184A CN108980184A CN201811049298.XA CN201811049298A CN108980184A CN 108980184 A CN108980184 A CN 108980184A CN 201811049298 A CN201811049298 A CN 201811049298A CN 108980184 A CN108980184 A CN 108980184A
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- Prior art keywords
- nut
- gear nut
- gear
- support portion
- block
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000013011 mating Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/041—Releasable devices
- F16B37/043—Releasable devices with snap action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The present invention discloses a kind of fixed device and automobile, is related to mechanical device technical field, solves in the prior art that caused nut can not be replaced on vehicle frame by the nut-welding for being used to fix power battery pack, the problem bad using fixed effect of exceeding the time limit.The fixation device includes bolt, gear nut, lockable mechanism and the pedestal for fixing lockable mechanism, wherein, pedestal is fixed on vehicle frame, and pedestal includes the support portion for being used to support gear nut, and part portion is changed for dismantle gear nut, it support portion and changes part portion and is interconnected, lockable mechanism is assemblied in the gear nut on support portion for locking, and the gear nut of bolt and locking is connected through a screw thread fixed power battery pack.The automobile includes the fixation device that above-mentioned technical proposal is mentioned.
Description
Technical field
The present invention relates to mechanical device technical field more particularly to a kind of fixed devices 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.
Summary of the invention
The purpose of the present invention is to provide a kind of fixed device and automobile, solving will be used to fix power in the prior art
The nut-welding of battery pack caused nut on vehicle frame can not be replaced, the problem bad using fixed effect of exceeding the time limit.
To achieve the goals above, an aspect of of the present present invention provides a kind of fixed device, for fixing power battery pack, wraps
Bolt, gear nut, lockable mechanism and the pedestal for fixing the lockable mechanism are included, the pedestal is fixed on vehicle frame, institute
Stating pedestal includes the support portion for being used to support the gear nut, and changes part portion, and institute for dismantle the gear nut
It states support portion and the part portion that changes is interconnected, the lockable mechanism is assemblied in the gear nut on support portion, institute for locking
The gear nut for stating bolt and locking is connected through a screw thread the fixed power battery pack.
Preferably, the support portion and the part portion that changes are slot structure, and the slot bottom of the support portion is opened equipped with circle
Mouthful, the slot bottom for changing part portion is equipped with square aperture, and the bore of the circular open is greater than the hitching post diameter of the bolt and small
In the profile outer diameter of the gear nut, the bore of the square aperture is greater than the profile outer diameter of the gear nut.
Preferably, the gear nut includes internal threaded nut and coaxial with the internal threaded nut and integrally formed outer
Gear.
Further, the lockable mechanism includes that mirror settings are locked in the first locking part of the support portion two sides and second
Stop, first locking part are used for when the gear nut rotates counterclockwise, are engaged tooth described in locking with the external gear
Nut is taken turns, second locking part is used for when the gear nut rotates clockwise, is engaged described in locking with the external gear
Gear nut.
Preferably, first locking part include the first ratchet assembly, the first limited post and first lock sub-block, described second
Locking part includes the second ratchet assembly, the second limited post and the second lock sub-block, and the first lock sub-block is the same as the second lock sub-block
The two sides of the support portion are symmetrically fixed on, first limited post is fixed on the support portion with the second limit column symmetry
Two sides, and the distance of first limited post/second limited post to the support portion is less than the first lock lock of sub-block/second
Sub-block to the support portion distance；
The first ratchet assembly is set on first limited post, and the first lock sub-block is for controlling described first
The slewing area of ratchet assembly, the second ratchet assembly are set on second limited post, and the second lock sub-block is used for
The slewing area for controlling the second ratchet assembly passes through the first ratchet assembly when the gear nut rotates counterclockwise
Locking passes through the second ratchet assembly locking when the gear nut rotates clockwise.
Preferably, the first ratchet assembly/second ratchet assembly includes integrally formed ratchet and rotary body, the rotation
The side of swivel offers rotary spacing groove, and the center of the rotary body offers limit hole up and down, and described first
Limited post/second limited post and the limit hole are socketed, the first lock sub-block/second lock sub-block and the rotary spacing groove
Mating reaction is to limit the slewing area of the rotary body.
Preferably, the ratchet is engaged with the matching of the gear teeth of the external gear, the end face of the rotary body and the ratchet
In gradually reducing trend.
Optionally, the bottom of the rotary body is equipped with return spring, and the return spring is for driving the rotary body to return
Return predetermined position.
Preferably, the first lock sub-block/second lock sub-block includes fixed body and is located at the convex of described fixed body one end
Column, the pillar is in the rotary spacing groove, so that the rotary body is merely able in the area of the rotary spacing groove
It is rotated within the scope of domain.
Compared with prior art, fixed device provided by the invention has the advantages that
It in fixed device provided by the invention, is made of bolt, gear nut, lockable mechanism and pedestal, wherein locking machine
Structure is fixed on the base, and pedestal is fixed on vehicle frame, and then can realize the relatively fixed of lockable mechanism and vehicle frame, due on pedestal
Support portion equipped with bottom opening and part portion is changed, and support portion and change part portion and be interconnected, in this way in installation power battery pack
In the process, nut can be changed in part portion by changing the bottom opening feeding in part portion, is then moved to support portion predetermined position by propping up
Gear nut is held in support part, and prevents its rotation to gear nut locking using lockable mechanism, completes the assembly of gear nut, again
Rotation turn is unable to since the gear nut of assembly is merely able to be moved in translation under the collective effect of support portion and lockable mechanism
It is dynamic, therefore relatively-stationary function can be achieved under by the effect of the rotary force of bolt in gear nut, in gear nut by machine
The function that horizontal shift can be achieved under the horizontal force action of tool hand, in this way during assembling bolt, by by the bolt of bolt
Body sequentially passes through power battery pack housing and changes the bottom opening in part portion, and is moved to the corresponding position and gear nut of support portion
It is threadedly coupled, the fixation to power battery pack can be realized after fastening, and when needing replacing nut, the backward above process is by tooth
Wheel nut removes replacement refitting, it is seen then that fixation device using the above structure can not only be realized and spiral shell in the prior art
Mother is welded on vehicle frame similarly fixed effect, but also can be realized being freely disassembled for nut and/or bolt, and then can be just
It is prompt to exceed the time limit using nut and/or bolt replace.
An aspect of of the present present invention provides a kind of automobile, including the fixed device of power battery pack described in above-mentioned technical proposal.
Compared with prior art, the fixation device that the beneficial effect Yu above-mentioned technical proposal of automobile provided by the invention provide
Beneficial effect it is identical, this will not be repeated here.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the assembling stereogram that device is fixed in embodiment one；
Fig. 2 is the schematic diagram of the section structure that device is fixed in Fig. 1；
Fig. 3 is the explosive view that device is fixed in Fig. 1；
Fig. 4 is the enlarged structure schematic diagram of the first ratchet assembly and the second ratchet assembly in Fig. 1；
Fig. 5 is the enlarged structure schematic diagram of the first lock sub-block and the second lock sub-block in Fig. 1.
Appended drawing reference:
1- pedestal, 2- gear nut；
3- lockable mechanism, 4- bolt；
11- support portion, 12- change part portion；
21- internal threaded nut, 22- external gear；
The first locking part of 31-, the second locking part of 32-；
311- first locks sub-block, the first limited post of 312-；
313- the first ratchet assembly, 321- second lock sub-block；
The second limited post of 322-, 323- the second ratchet assembly；
331- pillar, 341- fixed body；
333- ratchet, 334- rotary body；
3341- limit hole, 3342- rotary spacing groove.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiment obtained without creative labor belongs to the model that the present invention protects
It encloses.
Embodiment one
It please refers to Fig.1 to Fig.3, fixed device provided in this embodiment, for fixing power battery pack, including bolt 4, tooth
Wheel nut 2, lockable mechanism 3 and the pedestal 1 for fixing lockable mechanism 3, pedestal 1 are fixed on vehicle frame, and pedestal 1 includes for branch
Support the support portion 11 of gear nut 2, and change part portion 12 for dismantle gear nut 2, and support portion 11 with change 12 phase of part portion
Intercommunicated, lockable mechanism 3 is assemblied in the gear nut 2 on support portion 11 for locking, and bolt 4 and the gear nut 2 of locking are logical
Cross the fixed power battery pack of threaded connection.
In fixed device provided in this embodiment, it is made of bolt 4, gear nut 2, lockable mechanism 3 and pedestal 1, wherein
Lockable mechanism 3 is fixed on pedestal 1, and pedestal 1 is fixed on vehicle frame, and then can realize the relatively solid of lockable mechanism 3 and vehicle frame
Fixed, since pedestal 1 is equipped with the support portion 11 of bottom opening and changes part portion 12, and support portion 11 is interconnected with part portion 12 is changed,
In this way during power battery pack is installed, nut can be changed in part portion 12 by changing the bottom opening feeding in part portion 12, so
Gear nut 2 is held by support portion 11 in the predetermined position for being moved to support portion 11 afterwards, and using lockable mechanism 3 to gear nut 2
Locking prevents its rotation, completes the assembly of gear nut 2, and since the gear nut of assembly 2 is in support portion 11 and lockable mechanism 3
Collective effect under be merely able to be moved in translation and be unable to rotary motion, therefore gear nut 2 is in the rotation masterpiece by bolt 4
Relatively-stationary function can be achieved under, horizontal shift can be achieved under horizontal force action of the gear nut 2 by manipulator
Function, in this way during assembling bolt 4, by the way that the body of bolt 4 is sequentially passed through power battery pack housing and changes part portion
12 bottom opening, and the corresponding position for being moved to support portion 11 is threadedly coupled with gear nut 2, is can be realized after fastening to dynamic
The fixation of power battery pack, and when needing replacing nut, gear nut 2 is removed replacement refitting by the backward above process, can
See, fixation device using the above structure can not only be realized similarly fixed on vehicle frame with nut-welding in the prior art
Effect, but also can be realized being freely disassembled for nut and/or bolt, so can easily to exceed the time limit using nut and/or
Bolt is replaced.
It is understood that lockable mechanism 3, pedestal 1, the fixed form between vehicle frame three are varied, the present embodiment
Above-mentioned fixed form is not defined herein, for example, can be the fixation side such as " welding ", " punching press " " riveting " " bolt fastening "
Formula.
Specifically, Fig. 1 and Fig. 3 are please referred to, the support portion 11 in above-described embodiment and to change part portion 12 be slot structure, and prop up
The slot bottom of support part 11 is equipped with circular open, and the slot bottom for changing part portion 12 is equipped with square aperture, and the bore of circular open is greater than bolt 4
Hitching post diameter and the profile outer diameter for being less than gear nut 2, the bore of square aperture are greater than the profile outer diameter of gear nut 2.
Gear nut 2 includes internal threaded nut 21 and the coaxial and integrally formed external gear 22 with internal threaded nut 21.
When it is implemented, circular open is arranged by the slot bottom in support portion 11, enable bolt 4 from support portion 11
Slot bottom and internal threaded nut 21 establish threaded connection relation, and the hitching post that the bore of circular open is set greater than bolt 4 is straight
Diameter and the profile outer diameter for being less than gear nut 2, are to realize that the hitching post of bolt 4 can be by circular open and internal threaded nut
21 are threadedly coupled, and external gear 22 can be blocked by circular open, in this way the collective effect in support portion 11 and lockable mechanism 3
It is lower, it can be achieved that gear nut 2 it is relatively fixed, i.e., gear nut 2 at this time, which can only do translational movement and be unable to be rotated, to be turned
It is dynamic, therefore in fastening bolt 4, gear nut 2 can be in relatively-stationary state, play the role of that bolt 4 is facilitated to assemble, and
Gear nut 2 can also be moved to by manipulator from support portion 11 and change part portion 12, play the work for facilitating gear nut 2 to dismantle
With；In addition, the slot bottom for changing part portion 12 is equipped with square aperture, and the bore of square aperture should be greater than the profile outer diameter of gear nut 2,
Square aperture is in order to which gear nut 2 enters the convenience of pedestal 1 and is arranged, and grabbing gear nut 2 by manipulator can be fast
Speed replaces gear nut 2.
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 by gear nut
2 are welded on vehicle frame, therefore only need removal bolt 4 that can remove power battery pack, although such structure have structure it is simple,
Advantage at low cost, still, during frequently disassembly power battery pack, the service life of gear nut 2 will gradually drop
It is low, therefore when the number dismantled reaches the service life upper limit of gear nut 2, fixed effect will have a greatly reduced quality, into
And there are security risk, and use structure design in the present embodiment, it can be achieved that bolt 4 and gear nut 2 it is detachable and interchangeable, very
Good solves problems of the prior art.
Specifically, please continue to refer to Fig. 1 and Fig. 3, the lockable mechanism 3 in above-described embodiment includes mirror settings in support portion
The first locking part 31 and the second locking part 32 of 11 two sides, the first locking part 31 are used for when gear nut 2 rotates counterclockwise, with
External gear 22 is engaged locking gear nut 2, and the second locking part 32 is used for when gear nut 2 rotates clockwise, with external gear 22
It is engaged locking gear nut 2.
Further, the first locking part 31 includes the first ratchet assembly 313, the first limited post 312 and the first lock sub-block
311, the second locking part 32 includes the second ratchet assembly 323, the second limited post 322 and the second lock sub-block 321, the first lock sub-block
311 are symmetrically fixed on the two sides of support portion 11 with the second lock sub-block 321, and the first limited post 312 is symmetrically solid with the second limited post 322
The two sides of support portion 11 are scheduled on, and the distance of 312/ second limited post 322 of the first limited post to support portion 11 is sub less than the first lock
Block 311/ second locks the distance of sub-block 321 to support portion 11；
Further, please referring next to Fig. 1 and Fig. 3, the first ratchet assembly 313 is set on the first limited post 312, and first
Lock sub-block 311 is used to control the slewing area of the first ratchet assembly 313, and the second ratchet assembly 323 is set in the second limited post 322
On, the second lock sub-block 321 is used to control the slewing area of the second ratchet assembly 323, passes through when gear nut 2 rotates counterclockwise
First ratchet assembly, 313 locking passes through 323 locking of the second ratchet assembly when gear nut 2 rotates clockwise.
Further, referring to Fig. 4,313/ second ratchet assembly 323 of the first ratchet assembly includes integrally formed ratchet
333 and rotary body 334, the side of rotary body 334 offer rotary spacing groove 3342, the center of rotary body 334 offers
The limit hole 3341 of lower perforation, 312/ second limited post 322 of the first limited post are socketed with limit hole 3341, the first lock sub-block 311/
Second lock sub-block 321 limits the slewing area of rotary body 334 with 3342 mating reaction of rotary spacing groove.
Further, please refer to Fig. 4 and Fig. 5, the first lock sub-block 311/ second lock sub-block 321 include fixed body 341 and
It is located at the pillar 331 of 341 one end of fixed body, pillar 331 is in rotary spacing groove 3342, so that rotary body 334 is merely able to
It is rotated in the regional scope of rotary spacing groove 3342.
Illustratively, Fig. 3 or Fig. 4 is please referred to, the ratchet 333 in above-described embodiment is matched with the gear teeth of external gear 22 to be stung
It closes, the end face of rotary body 334 and ratchet 333 is in gradually to reduce trend.
When it is implemented, the first ratchet assembly 313 is socketed on the first limited post 312 respectively, so that the first ratchet is total
It can be socketed on the second limited post 322, make around 312 rotary motion of the first limited post, and by the second ratchet assembly 323 at 313
The second ratchet assembly 323 can have mercy on 322 rotary motion of the second limited post, while in order to improve the locking of gear nut 2 control essence
Degree, the present embodiment by the first ratchet assembly 313 by being arranged the first lock sub-block 311 to the rotation model of the first ratchet assembly 313
It encloses and is limited, and second ratchet assembly 323 is turned by the way that the second lock sub-block 321 is arranged by the second ratchet assembly 323
Dynamic range is limited, in specific assembling process, the first limited post 312, first lock sub-block 311 and the second limited post 322,
The rigging position of second lock sub-block 321 is all to set by precise measurement, therefore the first ratchet assembly 313 is being socketed first
After limited post 312, the pillar 331 in the first lock sub-block 311 fairly falls in the rotary spacing groove to the first ratchet assembly 313
In 3342, at this time when gear nut 2 rotates counterclockwise, the first ratchet assembly 313 in occlusive state will drive clockwise
Rotation, until after 3342 cell wall of rotary spacing groove of the first ratchet assembly 313 is stopped by pillar 331, the first ratchet assembly 313
In stuck state, and then locking and the first ratchet assembly 313 are similarly in the gear nut 2 of occlusive state, so that gear spiral shell
Mother 2 can not continue towards the direction rotation being blocked；Likewise, the second ratchet assembly 323 is socketed the second limited post 322
Afterwards, the pillar 331 in the second lock sub-block 321 is fairly fallen in into the rotary spacing groove 3342 of the second ratchet assembly 323, at this time
When gear nut 2 rotates clockwise, it will drive the second ratchet assembly 323 in occlusive state and rotate counterclockwise, until the
After 3342 cell wall of rotary spacing groove of two ratchet assemblies 323 is stopped by pillar 331, the second ratchet assembly 323 is in stuck shape
State, and then locking and the second ratchet assembly 323 are similarly in the gear nut 2 of occlusive state, so that gear nut 2 can not be after
The direction rotation that continuous court is blocked.
As it can be seen that successively penetrating fixed power battery pack housing, circular open by bolt 4 by the setting of above structure
It is threadedly coupled with gear nut 2, during rotating clockwise bolt 4 and gear nut 2 fastens, the second locking part 32 is acted as
Locking is carried out with to gear nut 2, so that gear nut 2 is in relatively-stationary state, facilitates bolt 4 and gear nut 2
Fastener cycle, and during rotating counterclockwise bolt 4 and gear nut 2 loosens, the first locking part 31 works to gear
Nut 2 carries out locking, so that gear nut 2 be in relatively-stationary state, facilitate bolt 4 and gear nut 2 loosens process,
Therefore device provided in this embodiment is used, process is still either loosened in the fastener cycle of bolt 4 and gear nut 2,
It realizes, is realized to the detachable and interchangeable of bolt 4 and/or nut under 2 non-solder stationary state of gear nut.
Preferably, in order to avoid the first ratchet assembly 313 and/or the second ratchet assembly 323 can not cause return in time
Gear nut 2 can not be occurred by the case where effective locking, the present embodiment pass through the bottom of rotary body 334 be arranged return spring
(attached drawing is not shown), return spring can guarantee the first ratchet assembly 313 for driving rotary body 334 to return predetermined position in this way
And/or second ratchet always always tend to gear nut 2, be conducive to gear nut 2 carry out locking.
Embodiment two
The embodiment of the invention provides a kind of automobile, which includes such as the fixation device in embodiment one.
Compared with prior art, the beneficial effect of automobile provided in an embodiment of the present invention is consolidated with what above-described embodiment one provided
The beneficial effect for determining device is identical, and 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.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of fixed device, for fixing power battery pack, which is characterized in that including bolt, gear nut, lockable mechanism and
For fixing the pedestal of the lockable mechanism, the pedestal is fixed on vehicle frame, and the pedestal includes being used to support the gear
The support portion of nut, and part portion is changed for dismantle the gear nut, and the support portion is mutually interconnected with the part portion that changes
Logical, the lockable mechanism is assemblied in the gear nut on support portion for locking, and the gear nut of the bolt and locking passes through
It is threadedly coupled the fixed power battery pack.
2. the apparatus according to claim 1, which is characterized in that the support portion and the part portion that changes are slot structure, and
The slot bottom of the support portion is equipped with circular open, and the slot bottom for changing part portion is equipped with square aperture, the bore of the circular open
Hitching post diameter greater than the bolt and the profile outer diameter less than the gear nut, the bore of the square aperture are greater than described
The profile outer diameter of gear nut.
3. the apparatus according to claim 1, which is characterized in that the gear nut include internal threaded nut and with it is described interior
Screw nut is coaxial and integrally formed external gear.
4. device according to claim 3, which is characterized in that the lockable mechanism includes mirror settings in the support portion
The first locking part and the second locking part of two sides, first locking part are used for when the gear nut rotates counterclockwise, with
Gear nut described in the external gear occlusion locking, second locking part are used for when the gear nut rotates clockwise,
Gear nut described in locking is engaged with the external gear.
5. device according to claim 4, which is characterized in that first locking part include the first ratchet assembly, first
Limited post and the first lock sub-block, second locking part include the second ratchet assembly, and the second limited post and second lock sub-block, described
First lock sub-block is symmetrically fixed on the two sides of the support portion with the second lock sub-block, and first limited post is the same as described second
Limit column symmetry is fixed on the two sides of the support portion, and first limited post/second limited post to the support portion away from
It is locked with a distance from sub-block to the support portion from the first lock sub-block/second is less than；
The first ratchet assembly is set on first limited post, and the first lock sub-block is for controlling first ratchet
The slewing area of assembly, the second ratchet assembly are set on second limited post, and the second lock sub-block is for controlling
The slewing area of the second ratchet assembly is locked when the gear nut rotates counterclockwise by the first ratchet assembly
Only, pass through the second ratchet assembly locking when the gear nut rotates clockwise.
6. device according to claim 5, which is characterized in that the first ratchet assembly/second ratchet assembly includes one
Body formed ratchet and rotary body, the side of the rotary body offer rotary spacing groove, and the center of the rotary body opens up
There is limit hole up and down, first limited post/second limited post and the limit hole are socketed, the first lock sub-block/
Second lock sub-block limits the slewing area of the rotary body with the rotary spacing groove mating reaction.
7. device according to claim 6, which is characterized in that the ratchet is engaged with the matching of the gear teeth of the external gear,
The end face of the rotary body and the ratchet is in gradually to reduce trend.
8. device according to claim 6, which is characterized in that the bottom of the rotary body be equipped with return spring, described time
Position spring is for driving the rotary body to return predetermined position.
9. device according to claim 5, which is characterized in that the first lock sub-block/second lock sub-block includes fixed body
And it is located at the pillar of described fixed body one end, the pillar is in the rotary spacing groove, so that the rotary body is only
It can be rotated in the regional scope of the rotary spacing groove.
10. a kind of automobile, spy is being, including fixed device of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811049298.XA CN108980184B (en) | 2018-09-10 | 2018-09-10 | Fixing device and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811049298.XA CN108980184B (en) | 2018-09-10 | 2018-09-10 | Fixing device and car |
Publications (2)
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| CN108980184A true CN108980184A (en) | 2018-12-11 |
| CN108980184B CN108980184B (en) | 2024-01-23 |
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| JP2005226789A (en) * | 2004-02-16 | 2005-08-25 | Isuzu Motors Ltd | Fastening member with torque limiter |
| CN101869996A (en) * | 2010-06-25 | 2010-10-27 | 山东威达机械股份有限公司 | Locking mechanism, chuck device with same and fastening clamp |
| CN105351333A (en) * | 2015-12-04 | 2016-02-24 | 北汽福田汽车股份有限公司 | Vehicle and thread connection device thereof |
| CN106112489A (en) * | 2016-08-22 | 2016-11-16 | 山西北方机械制造有限责任公司 | A kind of large-scale connector locking and kickoff mechanism |
| CN206092656U (en) * | 2016-08-24 | 2017-04-12 | 浙江中瑞汽车零部件有限公司 | Tire nut |
| CN206645653U (en) * | 2017-04-24 | 2017-11-17 | 浙江田中精机股份有限公司 | Tensioning wheel governor motion |
| US20170343033A1 (en) * | 2014-12-15 | 2017-11-30 | Safran Aircraft Engines | System for repairing a fastener equipping a reactor wall |
| CN108119511A (en) * | 2018-02-19 | 2018-06-05 | 何长青 | A kind of double nut reverse thread anti-loosing fixing device |
| CN208858743U (en) * | 2018-09-10 | 2019-05-14 | 一汽-大众汽车有限公司 | A kind of fixed device and automobile |
-
2018
- 2018-09-10 CN CN201811049298.XA patent/CN108980184B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005226789A (en) * | 2004-02-16 | 2005-08-25 | Isuzu Motors Ltd | Fastening member with torque limiter |
| CN101869996A (en) * | 2010-06-25 | 2010-10-27 | 山东威达机械股份有限公司 | Locking mechanism, chuck device with same and fastening clamp |
| US20170343033A1 (en) * | 2014-12-15 | 2017-11-30 | Safran Aircraft Engines | System for repairing a fastener equipping a reactor wall |
| CN105351333A (en) * | 2015-12-04 | 2016-02-24 | 北汽福田汽车股份有限公司 | Vehicle and thread connection device thereof |
| CN106112489A (en) * | 2016-08-22 | 2016-11-16 | 山西北方机械制造有限责任公司 | A kind of large-scale connector locking and kickoff mechanism |
| CN206092656U (en) * | 2016-08-24 | 2017-04-12 | 浙江中瑞汽车零部件有限公司 | Tire nut |
| CN206645653U (en) * | 2017-04-24 | 2017-11-17 | 浙江田中精机股份有限公司 | Tensioning wheel governor motion |
| CN108119511A (en) * | 2018-02-19 | 2018-06-05 | 何长青 | A kind of double nut reverse thread anti-loosing fixing device |
| CN208858743U (en) * | 2018-09-10 | 2019-05-14 | 一汽-大众汽车有限公司 | A kind of fixed device and automobile |
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| Publication number | Publication date |
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| CN108980184B (en) | 2024-01-23 |
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