CN111746254B - Power battery box fixing hole positioning assembly and mounting structure and mounting method thereof - Google Patents
Power battery box fixing hole positioning assembly and mounting structure and mounting method thereof Download PDFInfo
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- CN111746254B CN111746254B CN202010368553.8A CN202010368553A CN111746254B CN 111746254 B CN111746254 B CN 111746254B CN 202010368553 A CN202010368553 A CN 202010368553A CN 111746254 B CN111746254 B CN 111746254B
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- nut
- power battery
- battery box
- guide pin
- fixing hole
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- 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
-
- 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
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention relates to the field of automobile power assembly suspension systems, and discloses a positioning assembly for a fixing hole of a power battery box, which comprises a bolt, a first nut and an auxiliary positioning guide pin, wherein the section of the first nut is T-shaped, an internal thread is arranged in the first nut and is matched with an external thread of the bolt, the auxiliary positioning guide pin comprises a guide pin body and a root part, the external diameter of the guide pin body is the same as the external diameter of the vertical part of the first nut, a guiding external thread matched with the internal thread is arranged on the root part, after the auxiliary positioning guide pin is screwed into the first nut for auxiliary positioning, the auxiliary positioning guide pin is screwed off, and then the bolt is screwed into the first nut for fixing. The invention also discloses an installation structure and an installation method of the power battery box fixing hole positioning assembly. According to the power battery box fixing hole positioning assembly, the mounting structure and the mounting method thereof, the problem of mounting and positioning of the power battery box is solved, and meanwhile, no positioning pin is left after mounting, so that potential safety hazards are reduced, and the weight is reduced.
Description
Technical Field
The invention relates to the technical field of vehicle body parts, in particular to a positioning assembly for a fixing hole of a power battery box and an installation structure and an installation method thereof.
Background
In general, a power battery is mounted and fixed below a vehicle body floor of an electric vehicle, and the power battery is usually fixed by a bolt. However, how to mount the power battery box at a predetermined position during the mounting process, especially how to accurately position the battery box at the final stage of approaching the underbody, becomes a considerable problem.
In the prior art, positioning pins and positioning holes are used for positioning smoothly. However, longer locating pins become redundant after the battery is installed and may also potentially scrape against ground projections during vehicle operation. After the installation, idle positioning pins and positioning pin reinforcing plates also become burdensome, and the light weight of the vehicle body is affected.
Therefore, how to design a good mounting and positioning structure of the power battery box becomes a technical problem.
Disclosure of Invention
The invention aims to provide a positioning assembly for a fixing hole of a power battery box, an installation structure thereof and an installation method thereof aiming at the defects of the technology, so that the problem of installation and positioning of the power battery box is solved, a positioning pin is not left after installation, the potential safety hazard is reduced, and the weight is reduced.
In order to achieve the purpose, the positioning assembly for the fixing hole of the power battery box comprises a bolt, a first nut matched with the bolt and an auxiliary positioning guide pin matched with the first nut, wherein the section of the first nut is T-shaped, the first nut not only has a reinforcing effect on the Z-direction fixing of the battery box, but also has a reinforcing effect on the X-direction and Y-direction limiting, an internal thread is arranged in the first nut along a vertical central axis, the internal thread of the first nut is matched with the external thread of the bolt, the auxiliary positioning guide pin comprises a guide pin body and a root part positioned at one end of the guide pin body, the external diameter of the guide pin body is the same as the external diameter of the vertical part of the first nut, a guiding external thread matched with the internal thread of the first nut is arranged on the root part, and the auxiliary positioning guide pin is screwed into the first nut through the root part for auxiliary positioning, and unscrewing the auxiliary positioning guide pin, and screwing the bolt into the first nut for fixing.
Preferably, the other end of the guide pin body is conical, and the guide pin can be directly installed or detached manually after wearing gloves.
Preferably, the bolt comprises a threaded shank with an external thread and a first flange face at one end of the threaded shank.
The utility model provides a power battery case fixed orifices locating component's mounting structure, the last a plurality of battery end fixed orifices that is equipped with of power battery case, be equipped with on the vehicle body bottom plate a plurality of with battery end fixed orifices complex vehicle body end fixed orifices, wherein install on two at least vehicle body end fixed orifices first nut, and this the internal diameter of vehicle body end fixed orifices with the straight partial external diameter of first nut equals, the top cap of first nut is located in the roof beam of vehicle body bottom plate, the vertical part of first nut passes vehicle body end fixed orifices and stretches out, other on the vehicle body end fixed orifices lie in install the second nut on the roof beam internal position of vehicle body bottom plate, the power battery case passes through bolt cooperation first nut and second nut on battery end fixed orifices and the vehicle body end fixed orifices are installed on the vehicle body bottom plate.
Preferably, the vehicle body end fixing holes provided with the first nuts are respectively positioned in the middle parts of two sides of the power battery box.
Preferably, the first nut is welded to a reinforcing plate welded to the inside of the beam of the underbody, and the vertical portion of the first nut extends into the body end fixing hole through the reinforcing plate.
Preferably, the length of the first nut protruding part is equal to the thickness of the power battery box at the position of the vehicle body end fixing hole.
Preferably, the second nut is welded on a reinforcing plate, the reinforcing plate is welded in a beam of the vehicle body bottom plate, and reinforcing plate holes corresponding to the vehicle body end fixing holes and the holes of the second nut are formed in the reinforcing plate.
Preferably, a second flange surface is arranged on the second nut.
A mounting method of a mounting structure of a power battery box fixing hole positioning assembly comprises the following steps:
A) screwing the root of the auxiliary positioning guide pin into the first nut;
B) lifting the power battery box upwards, and positioning the power battery box through the auxiliary positioning guide pin to align a battery end fixing hole in the power battery box with a vehicle body end fixing hole in the vehicle body bottom plate;
C) bolts are screwed into the other vehicle body end fixing holes and matched with the second nuts to carry out pre-positioning;
D) unscrewing the secondary positioning guide pin from the first nut;
E) screwing a bolt into the first nut and tightening;
F) and tightening the bolt in the second nut.
Compared with the prior art, the invention has the following advantages:
1. the auxiliary positioning guide pin is detached after the power battery box is installed, and then the power battery box is fixedly connected by using a common bolt;
2. the quick and accurate installation of the power battery box is realized, and the fixing and reinforcing effects of the power battery box are achieved;
3. unnecessary positioning pins protrude out of the structure after the power battery box is installed;
4. meanwhile, the light weight and the refinement of the structural design of the vehicle body are achieved.
Drawings
FIG. 1 is a schematic view of a positioning assembly for a fixing hole of a power battery box according to the present invention;
FIG. 2 is a schematic structural view of the auxiliary positioning guide pin of FIG. 1;
FIG. 3 is a schematic view of the bolt shown in FIG. 1
FIG. 4 is a schematic view of the installation of a power battery box under the underbody;
FIG. 5 is a schematic structural view of a power battery box and a battery end fixing hole;
FIG. 6 is a schematic structural view of the underbody and the body end fixing holes;
FIG. 7 is a schematic view of the first nut mounted to the underbody;
FIG. 8 is a schematic view of another angle of FIG. 7;
FIG. 9 is a schematic view of the installation of the secondary positioning guide pin on the first nut;
FIG. 10 is a schematic view of a positioning structure in the process of installing a power battery box;
FIG. 11 is a schematic structural view of the power cell box after being mounted in a predetermined position;
fig. 12 is a schematic structural diagram of the power battery box after being fixed.
The components in the figures are numbered as follows:
the auxiliary positioning guide pin comprises a bolt 1, a first nut 2, an auxiliary positioning guide pin 3, a guide pin body 4, a root part 5, a screw rod 6, a first flange face 7, a power battery box 8, a battery end fixing hole 9, a vehicle body bottom plate 10, a vehicle body end fixing hole 11, a second nut 12, a reinforcing plate 13 and a second flange face 14.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1, 2 and 3, the positioning assembly for the fixing hole of the power battery box comprises a bolt 1, a first nut 2 matched with the bolt 1, and an auxiliary positioning guide pin 3 matched with the first nut 2, wherein the section of the first nut 2 is in a T shape, an internal thread is arranged in the first nut 2 along a vertical central axis, the internal thread of the first nut 2 is matched with an external thread of the bolt 1, the auxiliary positioning guide pin 3 comprises a guide pin body 4 and a root part 5 positioned at one end of the guide pin body 4, the other end of the guide pin body 4 is in a conical shape, the outer diameter of the guide pin body 4 is the same as the outer diameter of the vertical part of the first nut 2, a guide external thread matched with the internal thread of the first nut 2 is arranged on the root part 5, the auxiliary positioning guide pin 3 is screwed into the first nut 2 through the root part 5 for auxiliary positioning, the auxiliary positioning guide pin 3 is screwed off, and then the bolt 1 is screwed into the first nut 2 for fixing.
As shown in fig. 3, the bolt 1 includes a threaded shank 6 with an external thread and a first flange surface 7 at one end of the threaded shank 6.
In the above-mentioned mounting structure of the positioning component for fixing holes of power battery box, as shown in fig. 4, 5 and 6, 12 battery fixing holes 9 are provided on the power battery box 8, 12 vehicle body fixing holes 11 matched with the battery fixing holes 9 are provided on the vehicle body bottom plate 10, as shown in fig. 7, wherein the two vehicle body end fixing holes 11 are provided with the first nuts 2, the inner diameters of the vehicle body end fixing holes 11 are equal to the outer diameter of the vertical parts of the first nuts 2, the top covers of the first nuts 2 are positioned in the beams of the vehicle body bottom plate 10, the vertical parts of the first nuts 2 penetrate through the vehicle body end fixing holes 11 and extend out, the other vehicle body end fixing holes 11 are provided with second nuts 12 at positions in the beam of the vehicle body bottom plate 10, and the power battery box 8 is arranged on the vehicle body bottom plate 10 through bolts 1 matched with the first nuts 2 and the second nuts 12 on the battery end fixing holes 9 and the vehicle body end fixing holes 11.
In addition, in this embodiment, as shown in fig. 8, the vehicle body end fixing holes 11 on which the first nuts 2 are mounted are respectively located in the middle of two sides of the power battery box 8, the first nuts 2 are welded on the reinforcing plate 13, the reinforcing plate 13 is welded in the beam of the vehicle body floor 10, the vertical portions of the first nuts 2 penetrate through the reinforcing plate 13 and extend into the vehicle body end fixing holes 11, the length of the extending portions of the first nuts 2 is equal to the thickness of the power battery box 8 at the positions of the vehicle body end fixing holes 11, the second nuts 12 are welded on the reinforcing plate 13, the reinforcing plate 13 is welded in the beam of the vehicle body floor 10, reinforcing plate holes corresponding to the vehicle body end fixing holes 11 and the holes of the second nuts 12 are formed in the reinforcing plate 13, and the second nuts 12 are provided with second flange faces 14.
The mounting method of the mounting structure of the power battery box fixing hole positioning assembly comprises the following steps:
A) as shown in fig. 9, the root 5 of the auxiliary positioning guide pin 3 is screwed into the first nut 2;
B) as shown in fig. 10, the power battery box 8 is lifted upwards, and is positioned by the auxiliary positioning guide pin 3, and as shown in fig. 11, the battery end fixing hole 9 on the power battery box 8 is aligned with the vehicle body end fixing hole 11 on the vehicle body bottom plate 10;
C) as shown in fig. 12, the bolt 1 is screwed into the other vehicle body end fixing hole 11, and the second nut 12 is engaged to perform pre-positioning;
D) unscrewing the auxiliary positioning guide pin 3 from the first nut 2;
E) screwing the bolt 1 into the first nut 2 and tightening;
F) the bolt 1 in the second nut 12 is tightened.
The invention relates to a power battery box fixing hole positioning component, a mounting structure and a mounting method thereof.A first nut 2 with a T-shaped section and internal threads is designed, a detachable auxiliary positioning guide pin 3 is additionally arranged to achieve the effect of guiding and positioning in the process of battery mounting, the auxiliary positioning guide pin 3 is detached after a power battery box 8 is mounted, and then the power battery box 8 is connected and fixed by using a common bolt 1; the quick and accurate installation of the power battery box 8 is realized, and the fixing and reinforcing effects of the power battery box 8 are achieved; and after the power battery box 8 is installed, unnecessary positioning pins protrude out of the structure, and meanwhile, the light weight and the refinement of the structural design of the vehicle body are achieved.
Claims (9)
1. The utility model provides a power battery box fixed orifices locating component's mounting structure, includes bolt (1), its characterized in that: the positioning device is characterized by further comprising a first nut (2) matched with the bolt (1) and an auxiliary positioning guide pin (3) matched with the first nut (2), the section of the first nut (2) is T-shaped, an internal thread is arranged in the first nut (2) along a vertical central axis, the internal thread of the first nut (2) is matched with an external thread of the bolt (1), the auxiliary positioning guide pin (3) comprises a guide pin body (4) and a root part (5) located at one end of the guide pin body (4), the outer diameter of the guide pin body (4) is the same as the outer diameter of the vertical part of the first nut (2), a guiding external thread matched with the internal thread of the first nut (2) is arranged on the root part (5), and the auxiliary positioning guide pin (3) is screwed into the first nut (2) through the root part (5) for auxiliary positioning, the auxiliary positioning guide pin (3) is unscrewed, the bolt (1) is screwed into the first nut (2) for fixing, a plurality of battery end fixing holes (9) are formed in the power battery box (8), a plurality of vehicle body end fixing holes (11) matched with the battery end fixing holes (9) are formed in the vehicle bottom plate (10), the first nut (2) is installed on at least two vehicle body end fixing holes (11), the inner diameter of each vehicle body end fixing hole (11) is equal to the outer diameter of the vertical part of the first nut (2), the top cover of the first nut (2) is located in a beam of the vehicle bottom plate (10), the vertical part of the first nut (2) penetrates through the vehicle body end fixing holes (11) and extends out, and a second nut (12) is installed on the other vehicle body end fixing holes (11) at the position in the beam of the vehicle bottom plate (10), the power battery box (8) is installed on the vehicle body bottom plate (10) through a first nut (2) and a second nut (12) on the bolt (1) matched with the battery end fixing hole (9) and the vehicle body end fixing hole (11).
2. The mounting structure of the power battery box fixing hole positioning assembly according to claim 1, characterized in that: the other end of the guide pin body (4) is conical.
3. The mounting structure of the power battery box fixing hole positioning assembly according to claim 1, characterized in that: the bolt (1) comprises a screw (6) with an external thread and a first flange face (7) located at one end of the screw (6).
4. The mounting structure of the power battery box fixing hole positioning assembly according to claim 1, characterized in that: and the vehicle body end fixing holes (11) provided with the first nuts (2) are respectively positioned in the middle parts of two sides of the power battery box (8).
5. The mounting structure of the power battery box fixing hole positioning assembly according to claim 1, characterized in that: the first nuts (2) are welded on the reinforcing plate (13), the reinforcing plate (13) is welded in a beam of the underbody (10), and the vertical parts of the first nuts (2) penetrate through the reinforcing plate (13) and extend into the automobile body end fixing holes (11).
6. The mounting structure of the power battery box fixing hole positioning assembly according to claim 1, characterized in that: the length of the extending part of the first nut (2) is equal to the thickness of the power battery box (8) at the position of the vehicle body end fixing hole (11).
7. The mounting structure of the power battery box fixing hole positioning assembly according to claim 1, characterized in that: second nut (12) welding is on reinforcing plate (13), reinforcing plate (13) welding is in the roof beam of underbody (10), be equipped with on reinforcing plate (13) with automobile body end fixed orifices (11) and the reinforcing plate hole that the pore pair of second nut (12) corresponds.
8. The mounting structure of the power battery box fixing hole positioning assembly according to claim 1, characterized in that: and a second flange surface (14) is arranged on the second nut (12).
9. A method for mounting a mounting structure of a power battery box fixing hole positioning component as claimed in claim 1, wherein: the method comprises the following steps:
A) screwing the root (5) of the auxiliary positioning guide pin (3) into the first nut (2);
B) lifting the power battery box (8) upwards, and positioning the power battery box through the auxiliary positioning guide pin (3) to align a battery end fixing hole (9) in the power battery box (8) with a vehicle body end fixing hole (11) in the vehicle body bottom plate (10);
C) screwing bolts (1) into other vehicle body end fixing holes (11), and matching with the second nuts (12) to perform prepositioning;
D) -unscrewing said auxiliary positioning guide pin (3) from said first nut (2);
E) screwing a bolt (1) into the first nut (2) and tightening;
F) tightening the bolt (1) in the second nut (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010368553.8A CN111746254B (en) | 2020-05-01 | 2020-05-01 | Power battery box fixing hole positioning assembly and mounting structure and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010368553.8A CN111746254B (en) | 2020-05-01 | 2020-05-01 | Power battery box fixing hole positioning assembly and mounting structure and mounting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111746254A CN111746254A (en) | 2020-10-09 |
| CN111746254B true CN111746254B (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010368553.8A Active CN111746254B (en) | 2020-05-01 | 2020-05-01 | Power battery box fixing hole positioning assembly and mounting structure and mounting method thereof |
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| CN (1) | CN111746254B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204136755U (en) * | 2014-10-10 | 2015-02-04 | 北京现代汽车有限公司 | A kind of device for installing electrokinetic cell |
| CN104319356B (en) * | 2014-10-22 | 2016-06-22 | 南京金龙客车制造有限公司 | The fixing device of a kind of electrokinetic cell |
| US11299023B2 (en) * | 2016-02-16 | 2022-04-12 | Ford Global Technologies, Llc | Locator fastener with bolt mis-alignment feature |
| CN205853862U (en) * | 2016-07-15 | 2017-01-04 | 中信国安盟固利动力科技有限公司 | A kind of lithium battery device for fixing boxes |
| CN206968377U (en) * | 2017-02-28 | 2018-02-06 | 深圳市沃特玛电池有限公司 | A kind of battery bag erecting device |
| CN107379953B (en) * | 2017-08-02 | 2023-04-18 | 汕头大学 | Open, adaptable electric automobile battery box tray |
| CN208173669U (en) * | 2018-05-10 | 2018-11-30 | 上海友升铝业有限公司 | A kind of novel commercial vehicle aluminum alloy battery pallet |
| CN210149138U (en) * | 2019-05-14 | 2020-03-17 | 奇瑞商用车（安徽）有限公司 | Battery system installation location structure |
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2020
- 2020-05-01 CN CN202010368553.8A patent/CN111746254B/en active Active
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| CN111746254A (en) | 2020-10-09 |
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