CN215299384U - Plug connector mounting structure, battery pack lower shell boundary beam and battery pack lower shell - Google Patents

Abstract

The disclosure relates to a plug connector mounting structure, a battery pack lower shell side beam and a battery pack lower shell. The plug connector mounting structure is used for casing boundary beam under the battery package, and the plug connector mounting structure includes the main part and sets up first end and the second end at the main part both ends respectively, and at least one in first end and the second end is formed with the cavity, and the main part is equipped with the side direction opening and is used for installing the chamber that holds of electric plug-in components, and the upper surface of main part is equipped with the first fastening hole that is used for casing connection on the battery package, and the upper surface of at least one in first end and the second end is equipped with the second fastening hole that is used for casing connection on the battery package. The plug connector mounting structure has good structural strength and is suitable for meeting the requirement of mounting an electrical plug-in unit on the structural strength.

Description

Plug connector mounting structure, battery pack lower shell boundary beam and battery pack lower shell

Technical Field

The utility model relates to a battery package technical field specifically relates to a casing under plug connector mounting structure, battery package casing boundary beam and battery package.

Background

The casing is the important spare part that bears the inside all spare parts of battery package under the battery package, also be the spare part with whole car fixed connection, in order to improve the lightweight design of casing down, the lower height of highly all designing into of casing boundary beam down, because the size of high-pressure plug-in components such as plug-in components is great, generally all install the battery package anterior portion or rear portion, the casing includes four boundary beam section bars that roughly enclose into the rectangle down usually, and the high unable designing requirement that satisfies of general boundary beam, and the unable shaping of extruded profile, therefore, the plug connector mounting structure that can satisfy casing overall structure intensity under the battery package is waited to design urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a casing under plug connector mounting structure, battery package casing boundary beam and the battery package, this plug connector mounting structure can also improve the structural strength of casing under the battery package under satisfying the condition of installation electric plug-in components.

According to a first aspect of the disclosure, a plug connector mounting structure is provided for a battery pack lower shell boundary beam, the plug connector mounting structure comprises a main body portion, a first end portion and a second end portion, the first end portion and the second end portion are arranged at two ends of the main body portion respectively, a cavity is formed in at least one of the first end portion and the second end portion, the main body portion is provided with a lateral opening and used for mounting an accommodating cavity of an electrical plug connector, the upper surface of the main body portion is provided with a first fastening hole used for being connected with a battery pack upper shell, and the upper surface of at least one of the first end portion and the second end portion is provided with a second fastening hole used for being connected with the battery pack upper shell.

Optionally, the upper surface of the main body is provided with a protrusion extending in a length direction of the main body, the first fastening holes are formed in a plurality and formed by an extrusion thread process, and the first fastening holes extend from a side of the protrusion away from the upper surface to an upper surface direction.

Optionally, the main part includes diapire, lateral wall and roof, the lateral wall is connected respectively the diapire with the roof, it forms to hold the chamber the diapire the lateral wall with between the roof, the upper surface of diapire is equipped with first strengthening rib and a plurality of second strengthening rib, first strengthening rib is followed the length direction of diapire extends, and is a plurality of the second strengthening rib is followed the width direction of diapire extends and respectively with first strengthening rib cross.

Optionally, plug connector mounting structure still includes the bubble cotton, the bubble is cotton to be established on the lower surface of diapire and follow the length direction of diapire extends, the lower surface of diapire be equipped with a plurality of interval distribution and be used for with the spacing boss of water-cooling board complex, be equipped with on the spacing boss follow the lower surface extend to surface direction and be used for with the connecting hole that the water-cooling board is connected.

Optionally, the plug connector mounting structure is further including installing whole car pencil fixed bolster on the lateral wall, whole car pencil fixed bolster adopts the aluminium alloy punching press to form, whole car pencil fixed bolster is equipped with the pencil via hole of different shapes.

Optionally, the plug connector mounting structure further comprises a whole vehicle heat shield fixing support arranged on the side wall, and the cross section of the whole vehicle heat shield fixing support is U-shaped.

Optionally, the main part includes diapire, lateral wall and roof, the lateral wall is connected respectively the diapire with the roof, it forms to hold the chamber the diapire the lateral wall with between the roof, follow in the direction that the both ends of plug connector mounting structure extend to the centre, it is for first end the height of second end risees gradually to hold the chamber, be equipped with the water pipe export mounting hole that is used for installing the high-pressure plug-in components mounting hole, the low pressure plug-in components mounting hole of installation low pressure plug-in components, installation water pipe export on the lateral wall respectively.

Optionally, the sidewall is further provided with a first identifier corresponding to the low-pressure plug-in mounting hole, a second identifier corresponding to the water pipe outlet mounting hole, and a third identifier corresponding to the high-pressure plug-in mounting hole, wherein the first identifier, the second identifier and the third identifier are different from each other.

According to a second aspect of the present disclosure, a battery pack lower case boundary beam is provided, which includes two boundary beam profiles and the above-mentioned plug connector mounting structure, the plug connector mounting structure is disposed between the two boundary beam profiles.

According to a third aspect of the present disclosure, a lower battery pack casing is provided, which includes a bottom plate, three side beam members and the above-mentioned lower battery pack casing side beam, the lower battery pack casing side beam is disposed at one side of the bottom plate, the three side beam members are disposed at the other three sides of the bottom plate, and the lower battery pack casing side beam and the three side beam members enclose a rectangle.

Through the technical scheme, as the main body part is respectively provided with the first fastening hole for connecting with the upper shell of the battery pack and the second fastening hole for connecting with the upper shell of the battery pack is arranged on the upper surface of at least one of the first end part and the second end part, therefore, the upper shell of the battery pack and the lower shell of the battery pack can be connected through the first fastening holes and the fastening pieces, and the upper shell of the battery pack and the lower shell of the battery pack can be connected through the second fastening holes and the fastening pieces, and can be respectively connected with the upper shell of the battery pack from different positions of the plug connector mounting structure, the structural strength of the lower case of the battery pack can be improved, and at the same time, at least one of the first end portion and the second end portion is provided with a cavity, the cavity can enhance the strength of the plug connector mounting structure, so that the plug connector mounting structure further meets the requirements of mounting low-voltage plug-in components and high-voltage plug-in components on the structural strength.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic structural view of a plug attachment mounting structure according to an exemplary embodiment of the present disclosure;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic structural view of a plug attachment mounting structure and a portion of a sill section provided in an exemplary embodiment of the present disclosure;

FIG. 4 is a schematic view of a connector mounting structure for mounting at least a portion of a connector according to an exemplary embodiment of the present disclosure;

FIG. 5 is a schematic diagram of the first view angle of FIG. 4;

fig. 6 is a structural diagram of the second viewing angle of fig. 4.

Description of the reference numerals

10 main body part 11 ceiling wall

12 side wall 121 pencil fixed orifices

13 bottom wall 131 first stiffener

132 second reinforcing bead 14 accommodating chamber

15 boss 151 first fastening hole

16 low-pressure insert mounting hole 161 low-pressure insert

162 first sign 163 wire harness support

164 Low-pressure wiring harness 17 water pipe outlet mounting hole

171 water pipe outlet 172 second label

18 high-voltage plug-in mounting hole 181 high-voltage plug-in

182 first end of the third sign 20

21 second fastening hole 22 cavity

30 second end 40 complete vehicle wire harness fixing support

50 spacing boss of whole car heat exchanger fixed bolster 60

61 attachment hole 70 foam

200 side beam section bar

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the term "up and down" refers to the orientation or position relationship of the product in use, and can be understood as up and down along the gravity direction, which also corresponds to the "up and down" in the drawing. In addition, it should be noted that terms such as "first", "second", "third", and the like are used for distinguishing one element from another, and have no order or importance.

Generally, a battery pack case includes a battery pack lower case and a battery pack upper case enclosing a mounting cavity to dispose a battery module and other electrical connection members in the mounting cavity, and the battery pack lower case generally includes four side beams connected in sequence at their leading ends.

As shown in fig. 1, 2 and 5, according to a first aspect of the present disclosure, there is provided a plug mounting structure, for the side beam of the battery pack lower case, the plug connector mounting structure includes a main body 10, and a first end 20 and a second end 30 respectively provided at both ends of the main body 10, that is, the first end portion 20 is provided at one end of the main body portion 10, the second end portion 30 is provided at the other end of the main body portion 10, at least one of the first end portion 20 and the second end portion 30 is formed with a cavity 22, the main body portion 10 is provided with a receiving cavity 14 which is opened laterally and used for mounting an electrical plug, the electrical inserts here may be a low voltage insert 161 and a high voltage insert 181, the upper surface of the body portion 10 is provided with a first fastening hole 151 for connection with the pack upper case, and the upper surface of at least one of the first and second end portions 20 and 30 is provided with a second fastening hole 21 for connection with the pack upper case.

Through the above technical solution, since the main body part 10 is respectively provided with the first fastening hole 151 for connecting with the upper case of the battery pack and the second fastening hole 21 for connecting with the upper case of the battery pack is provided on the upper surface of at least one of the first end part 20 and the second end part 30, the upper case of the battery pack and the lower case of the battery pack can be connected through the first fastening hole 151 and the fastening member, and the upper case of the battery pack and the lower case of the battery pack can be connected through the second fastening hole 21 and the fastening member, and further can be connected with the upper case of the battery pack from different positions of the connector mounting structure, respectively, when the connector mounting structure is used for the lower case of the battery pack, the structural strength of the lower case of the battery pack can be improved, and at least one of the first end part 20 and the second end part 30 is provided with the cavity 22, and the cavity 22 can enhance the strength of the connector mounting structure, so that the plug mounting structure further satisfies the structural strength requirements for mounting the low-voltage plug 161 and the high-voltage plug 181.

In this embodiment, the main body 10, the first end 20, and the second end 30 may be integrally formed, thereby further improving the structural strength of the plug attachment structure.

In this embodiment, a rivet nut may be disposed in the second fastening hole 21, so that the upper case of the battery pack and the lower case of the battery pack may be connected by the rivet stud and the rivet nut.

As shown in fig. 1 and 2, in the present embodiment, the upper surface of the main body 10 is provided with the boss 15 extending along the length direction of the main body 10, the first fastening holes 151 are formed in a plurality and by a thread extrusion process, the first fastening holes 151 formed by the thread extrusion process are formed by extruding threads in the first fastening holes 151, so that the thread strength can be improved, the service life of the threads can be prolonged, and there is also a cutting-free advantage, the plurality of first fastening holes 151 extend from the side of the boss 15 away from the upper surface to the upper surface, and by providing the boss 15, the thickness can be increased on the basis of the main body 10 to meet the requirement of manufacturing the first fastening holes 151. In addition, the protruding part 15 can also be used for limiting the position of the upper shell of the battery pack, so as to align the positions of the upper shell of the battery pack and the lower shell of the battery pack.

Wherein, bellying 15 can be the bar structure for the width size of bellying 15 is suitable like this, is favorable to the lightweight of whole car, and a plurality of first fastening holes 151 can distribute on bellying 15 evenly at interval.

As shown in fig. 2 and 3, in the present embodiment, the main body 10 includes a bottom wall 13, a side wall 12 and a top wall 11, the side wall 12 connects the bottom wall 13 and the top wall 11, specifically, the side wall 12 connects the same side of the top wall 11 and the bottom wall 13, wherein the width of the bottom wall 13 is greater than the width of the top wall 11, the accommodating cavity 14 is formed between the bottom wall 13, the side wall 12 and the top wall 11, the upper surface of the bottom wall 13 is provided with a first reinforcing rib 131 and a plurality of second reinforcing ribs 132, the first reinforcing rib 131 extends along the length direction of the bottom wall 13, the plurality of second reinforcing ribs 132 extends along the width direction of the bottom wall 13 and crosses the first reinforcing rib 131, and the first reinforcing rib 131 and the second reinforcing rib 132 are connected in a crossing manner, so as to improve the structural strength of the plug mounting structure, and meet the strength requirement of the lower case of the battery pack.

In order to uniformly improve the structural strength of each position on the bottom wall 13, a plurality of second reinforcing ribs 132 may be uniformly distributed on the bottom wall 13 at intervals, and of course, if the width of the bottom wall 13 satisfies the requirement, two first reinforcing ribs 131 may be provided, and the two first reinforcing ribs 131 may be arranged in parallel.

As shown in fig. 6, in the present embodiment, the plug mounting structure further includes a foam 70, the foam 70 is disposed on the lower surface of the bottom wall 13 and extends along the length direction of the bottom wall 13, the foam 70 extends through the bottom wall 13, in other words, the length of the foam 70 is greater than that of the bottom wall 13, the foam 70 is not only disposed on the bottom wall 13 but also extends from the bottom wall 13 to other parts of the side beam of the lower housing of the battery pack, the lower surface of the bottom wall 13 is provided with a plurality of spacing bosses 60 distributed at intervals and used for cooperating with the water cooling plate, the shape of the spacing bosses 60 is not fixed and can be set to a plurality of suitable shapes, such as a rectangle, a circle or other shapes, the spacing bosses 60 are provided with connection holes 61 extending from the lower surface to the upper surface and used for connecting with the water cooling plate, here, bolts can pass through the connection holes 61 to connect the water cooling plate and the plug mounting structure, the arrangement of the spacing bosses 60 can play a role of accurately connecting the bottom wall 13 with the water cooling plate, after the water-cooling plate is connected with the limiting boss 60, the foam 70 can be compressed, so that the effects of separating and protecting the lower shell of the battery pack and the water-cooling plate are achieved, and the safety and reliability of the battery pack are improved.

As shown in fig. 5, in this embodiment, the plug connector mounting structure further includes a whole vehicle wire harness fixing support 40 mounted on the side wall 12, the whole vehicle wire harness fixing support 40 is formed by aluminum profile punching, the whole vehicle wire harness fixing support 40 is provided with wire harness via holes of different shapes, the whole vehicle wire harness fixing support 40 can be arranged on one side of the side wall 12 far away from the accommodating cavity 14, the whole vehicle wire harness fixing support 40 is made of aluminum profile, the light weight of the whole vehicle is facilitated, the whole vehicle wire harness fixing support 40 can be fixed on the side wall 12 in a welding manner, meanwhile, the wire harness via holes of different shapes can meet the mounting requirements of different sizes, and therefore the application range of the whole vehicle wire harness fixing support 40 can be enlarged. Specifically, the wire harness via hole may be a round hole or an oblong hole.

As shown in fig. 5, in the embodiment, the plug connector mounting structure further includes a whole vehicle heat shield fixing bracket 50 mounted on the side wall 12, the cross-sectional shape of the whole vehicle heat shield fixing bracket 50 is U-shaped, the whole vehicle heat shield fixing bracket 50 can be fixed on the side wall 12 by welding, which is beneficial to improving the structural strength of the whole vehicle heat shield, the whole vehicle heat shield fixing bracket 50 is provided with a rivet stud for connecting with the whole vehicle heat shield, the whole vehicle heat shield can be firmly mounted on the whole vehicle heat shield fixing bracket 50 by the rivet stud and a corresponding rivet nut, wherein the whole vehicle heat shield fixing bracket 50 is also located at one side of the side wall 12 far away from the accommodating cavity 14, so as to conveniently mount the whole vehicle heat shield, the whole vehicle heat shield fixing bracket 50 is disposed at one end of the main body portion 10, the whole vehicle harness fixing bracket 40 is disposed at the other end of the main body portion 10, with such a configuration, the space on the main body 10 can be utilized reasonably, and interference between parts on the main body 10 can be prevented.

As shown in fig. 3 and 5, in the present embodiment, the main body 10 includes a bottom wall 13, a side wall 12 and a top wall 11, the side wall 12 connects the bottom wall 13 and the top wall 11, the accommodating cavity 14 is formed between the bottom wall 13, the side wall 12 and the top wall 11, the accommodating cavity 14 is gradually raised with respect to the first end portion 20 and the second end portion 30 in the direction extending from the two ends of the plug connector mounting structure to the middle, that is, the height of the accommodating cavity 14 itself is continuously changed, that is, the accommodating cavity 14 is gradually raised from the first end portion 20 to the middle of the main body 10, so that the accommodating capacity of the accommodating cavity 14 can be increased to meet the requirement of the mounting space of the electrical plug connector, the side wall 12 is provided with a high-pressure plug connector mounting hole 18 for mounting the high-pressure plug connector 181, a low-pressure plug connector mounting hole 16 for mounting the low-pressure plug connector 161, and a water pipe outlet mounting hole 17 for mounting the water pipe outlet 171, and the high-pressure plug mounting hole 18, a top wall 11, Low pressure plug-in components mounting hole 16, water pipe export mounting hole 17 all set up on lateral wall 12, and this kind of design of integrating can reduce cost, satisfies the needs of multiple functions, can improve the reliability and the security performance of battery package simultaneously.

Generally, the overall size of the high-pressure insert 181 is larger than that of the low-pressure insert 161, and the height of the receiving cavity 14 corresponding to the middle position of the main body 10 is higher than the rest positions, so that it is possible to select to mount the high-pressure insert 181 at the middle position of the receiving cavity 14 and mount the low-pressure insert 161 at a position of the receiving cavity 14 close to the first end 20 or the second end 30, thereby making reasonable use of the mounting space of the plug mounting structure.

As shown in fig. 2 and 4, in addition, a harness fixing hole 121 is further provided on the side wall 12 corresponding to the accommodating cavity 14, the harness fixing hole 121 is used for installing a harness bracket 163, and the harness bracket 163 is used for fixing the low-voltage harness 164, so that the low-voltage harness 164 can be installed in a predetermined route to reasonably utilize the space of the plug installation structure, wherein the harness bracket 163 can be connected with the harness fixing hole 121 by interference fit. The number of the harness fixing holes 121 may be two and installed at the upper portion of the receiving chamber 14, so that a sufficient space may be provided for installation of the high voltage connector 181, which is advantageous for improving compactness of the connector installation structure.

As shown in fig. 5, further, the sidewall 12 is further provided with a first mark 162 corresponding to the low-pressure insert mounting hole 16, a second mark 172 corresponding to the water pipe outlet mounting hole 17, and a third mark 182 corresponding to the high-pressure insert mounting hole 18, where the first mark 162, the second mark 172, and the third mark 182 are different from each other, and are arranged to facilitate assembly recognition and after-sale maintenance recognition, thereby improving identifiability and assemblability of the battery pack, and the first mark 162, the second mark 172, and the third mark 182 may be any suitable pattern, text, or a combination thereof, for example, the first mark 162, the second mark 172, and the third mark 182 may be distinguished by using corresponding chinese characters, or may be distinguished by using english letters.

As shown in fig. 5, according to a second aspect of the present disclosure, there is provided a battery pack lower case side rail, including two side rail profiles 200 and the above-mentioned connector mounting structure, the connector mounting structure being disposed between the two side rail profiles 200.

According to a third aspect of the present disclosure, a battery pack lower casing is provided, which includes a bottom plate (not shown in the figure), three side beam members (not shown in the figure) and the above battery pack lower casing side beam, wherein the battery pack lower casing side beam is arranged at one side of the bottom plate, the three side beam members are arranged at the other three sides of the bottom plate, and the battery pack lower casing side beam and the three side beam members enclose into a rectangle.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure. It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. The utility model provides a plug connector mounting structure for casing boundary beam under battery package, its characterized in that, plug connector mounting structure includes main part (10) and sets up respectively first tip (20) and second tip (30) at main part (10) both ends, first tip (20) with at least one in second tip (30) is formed with cavity (22), main part (10) are equipped with side direction opening and are used for installing electric plug-in components hold chamber (14), the upper surface of main part (10) is equipped with first fastening hole (151) that are used for casing connection on the battery package, first tip (20) with the upper surface of at least one in second tip (30) be equipped with be used for with casing connection's second fastening hole (21) on the battery package.

2. The socket attachment structure according to claim 1, wherein the upper surface of the main body (10) is provided with a boss (15) extending in a length direction of the main body (10), the first fastening hole (151) is formed in plurality and by an extrusion screw process, and the plurality of first fastening holes (151) extend from a side of the boss (15) away from the upper surface toward the upper surface.

3. The plug attachment mounting structure according to claim 1, wherein the main body portion (10) includes a bottom wall (13), a side wall (12), and a top wall (11), the side wall (12) connects the bottom wall (13) and the top wall (11), respectively, the accommodating chamber (14) is formed between the bottom wall (13), the side wall (12), and the top wall (11), an upper surface of the bottom wall (13) is provided with a first reinforcing rib (131) and a plurality of second reinforcing ribs (132), the first reinforcing rib (131) extends in a length direction of the bottom wall (13), and the plurality of second reinforcing ribs (132) extends in a width direction of the bottom wall (13) and crosses the first reinforcing rib (131), respectively.

4. The plug connector mounting structure according to claim 3, further comprising foam (70), the foam (70) is arranged on the lower surface of the bottom wall (13) and extends along the length direction of the bottom wall (13), the lower surface of the bottom wall (13) is provided with a plurality of spacing distribution and is used for limiting bosses (60) matched with the water cooling plate, and the limiting bosses (60) are provided with connecting holes (61) extending from the lower surface to the upper surface and are used for connecting with the water cooling plate.

5. The plug connector mounting structure according to claim 3, further comprising a whole vehicle harness fixing support (40) mounted on the side wall (12), wherein the whole vehicle harness fixing support (40) is formed by aluminum profile punching, and the whole vehicle harness fixing support (40) is provided with harness through holes of different shapes.

6. The plug mounting structure according to claim 5, further comprising a complete vehicle heat shield fixing bracket (50) mounted on the side wall (12), wherein the cross-sectional shape of the complete vehicle heat shield fixing bracket (50) is U-shaped.

7. The plug mounting structure according to claim 1, wherein the main body portion (10) includes a bottom wall (13), a side wall (12), and a top wall (11), the side walls (12) are respectively connected with the bottom wall (13) and the top wall (11), the accommodation chamber (14) is formed between the bottom wall (13), the side wall (12) and the top wall (11) in a direction extending from both ends of the plug attachment structure toward the middle, the height of the containing cavity (14) relative to the first end part (20) and the second end part (30) is gradually increased, and the side wall (12) is provided with a high-pressure plug-in mounting hole (18) for mounting a high-pressure plug-in (181), a low-pressure plug-in mounting hole (16) for mounting a low-pressure plug-in (161) and a water pipe outlet mounting hole (17) for mounting a water pipe outlet (171).

8. The plug-in mounting structure according to claim 7, wherein the side wall (12) further has a first mark (162) corresponding to the low-pressure plug-in mounting hole (16), a second mark (172) corresponding to the water pipe outlet mounting hole (17), and a third mark (182) corresponding to the high-pressure plug-in mounting hole (18), and the first mark (162), the second mark (172), and the third mark (182) are different from each other.

9. A battery pack housing boundary beam, characterized in that it comprises two boundary beam profiles (200) and a plug connector mounting structure according to any one of claims 1-8, which is arranged between the two boundary beam profiles (200).

10. The utility model provides a casing under battery package which characterized in that, includes bottom plate, three boundary beam spare and according to the battery package casing boundary beam in claim 9, the casing boundary beam is established under the battery package one of them side of bottom plate, three boundary beam spare are established the remaining three sides of bottom plate, the battery package casing boundary beam with three boundary beam spare enclose into the rectangle.

Images