CN220021401U - Bushing structure, battery pack and vehicle - Google Patents

Bushing structure, battery pack and vehicle Download PDF

Info

Publication number
CN220021401U
CN220021401U CN202320948036.7U CN202320948036U CN220021401U CN 220021401 U CN220021401 U CN 220021401U CN 202320948036 U CN202320948036 U CN 202320948036U CN 220021401 U CN220021401 U CN 220021401U
Authority
CN
China
Prior art keywords
groove
face
bushing structure
grooves
structural member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320948036.7U
Other languages
Chinese (zh)
Inventor
牛加新
陈智伟
陈朝海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou Eve Power Battery Co ltd
Eve Energy Co Ltd
Original Assignee
Huizhou Eve Power Battery Co ltd
Eve Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huizhou Eve Power Battery Co ltd, Eve Energy Co Ltd filed Critical Huizhou Eve Power Battery Co ltd
Priority to CN202320948036.7U priority Critical patent/CN220021401U/en
Application granted granted Critical
Publication of CN220021401U publication Critical patent/CN220021401U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)

Abstract

The utility model provides a bushing structure, a battery pack and a vehicle, wherein the bushing structure is used for connecting a first structural member and a second structural member, the bushing structure comprises a body, the body is used for being connected with the first structural member, a body part is positioned in a mounting hole of the first structural member, the body comprises a first end face, a glue groove is formed in the first end face, and the first end face is used for being glued with the surface of the second structural member. The body of bush structure can wear to establish on first structure spare, with first structure spare fixed connection, offer the gluey groove on the first terminal surface of body, pour into the structural adhesive in gluey inslot, the first terminal surface of body bonds with the surface of second structure spare, need not to destroy the second structure spare, can realize first structure spare and second structure spare fixed connection to improve the bush structure of correlation technique and only be applicable to riveting or welded technical problem.

Description

Bushing structure, battery pack and vehicle
Technical Field
The utility model relates to the technical field of battery production, in particular to a bushing structure, a battery pack and a vehicle.
Background
The electric automobile has great requirements on the energy density of the battery Pack, more electric automobile enterprises start to push out a battery scheme of CTP (Cell-to-Pack), and the scheme can effectively improve the grouping efficiency of the battery cells to the Pack because of no concept of a battery module in the traditional sense, so that the energy density of the battery Pack, namely the battery Pack with the same weight, is increased, and the CTP battery Pack scheme can provide more electric quantity.
The bushing structure is used for connecting two parts together in a riveting or welding mode, and the application range of the bushing structure is small. For CTP, the battery pack has a battery case and a support beam located in the battery case, and the related art bushing structure is not suitable for the support beam to be connected with the battery case in order to secure the structural integrity of the bottom plate of the battery case.
Disclosure of Invention
The embodiment of the utility model provides a bushing structure, a battery pack and a vehicle, which can improve the technical problem that the bushing structure in the related art is only suitable for riveting or welding.
In a first aspect, embodiments of the present utility model provide a bushing structure for connecting a first structural member and a second structural member, comprising:
the body is used for being connected with the first structural member, the body part is located in the mounting hole of the first structural member, the body comprises a first end face, a glue groove is formed in the first end face, and the first end face is used for being glued with the surface of the second structural member.
In an embodiment, the glue groove comprises a first groove, and the first groove is formed in the middle of the first end face and is coaxially arranged with the body.
In an embodiment, the glue groove further comprises a plurality of second grooves extending in a radial direction of the first end face, the second grooves communicating with the first grooves, the plurality of second grooves being spaced circumferentially around the first grooves.
In an embodiment, the second groove has a first end and a second end, the first end is close to the first groove, the second end is close to the side surface of the body, the width of the second groove sequentially increases from the first end to the second end, the second groove has a first groove wall to a second groove wall which are oppositely arranged, and the width of the second groove refers to the distance between the first groove wall and the second groove wall.
In one embodiment, the second groove has a groove bottom, the groove bottom is inclined, and one end of the groove bottom near the first groove is far away from the first end surface than the other end of the groove bottom near the side surface of the body.
In one embodiment, the angle of inclination between the groove bottom and the first end face is α,4 ° or more α or less than 8 °.
In an embodiment, a connection surface is arranged between the first end surface between the second grooves and the notch of the first groove, the connection surface is provided with a third end and a fourth end, the connection surface is inclined from the fourth end to the third end, the third end is closer to the first groove than the fourth end, the third end is connected with the notch of the first groove, and the fourth end is connected with the first end surface.
In one embodiment, the body comprises:
the connecting shaft is used for being connected with the first structural member and is at least partially positioned in the mounting hole of the first structural member;
and the abutting disc is connected with the connecting shaft, and the first end face is positioned at one end of the abutting disc, which is away from the connecting shaft.
In one embodiment, the connected shaft and the abutment plate are of an integrally formed structure.
In an embodiment, the glue groove further comprises a plurality of second grooves extending in a radial direction of the first end face, the plurality of second grooves being circumferentially spaced about the axis of the body.
In a second aspect, embodiments of the present utility model provide a battery pack including:
a case;
the support beam is provided with a mounting hole;
the bushing structure of any of the above claims, wherein the body is coupled to the support beam, the body portion is positioned within the mounting hole, and the first end surface is glued to the box.
In a third aspect, embodiments of the present utility model provide a battery pack comprising the above.
The embodiment of the utility model has the beneficial effects that:
in the embodiment of the utility model, the first structural member and the second structural member are connected through the bushing structure, the body can be arranged on the first structural member in a penetrating way and fixedly connected with the first structural member, the first end face of the body is provided with the glue groove, the structural glue is injected into the glue groove, the first end face of the body is adhered to the surface of the second structural member, and the first structural member and the second structural member can be fixedly connected without damaging the second structural member, so that the technical problem that the bushing structure in the related art is only suitable for riveting or welding is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a bushing structure of a first glue tank according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a first end face of a bushing structure provided by an embodiment of the utility model;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a schematic perspective view of a bushing structure of a second glue tank according to an embodiment of the utility model;
fig. 5 is a schematic view of a first end face of a bushing structure of a third glue groove according to an embodiment of the present utility model;
fig. 6 is a schematic structural view of a battery pack according to an embodiment of the present utility model;
FIG. 7 is a cross-sectional view B-B of FIG. 6;
fig. 8 is a partial enlarged view at C in fig. 7.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the utility model. In the present utility model, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
The embodiment of the utility model provides a bushing structure, which is fixedly connected with a first structural member and glued with a second structural member, so that the first structural member and the second structural member are connected. Such as first structure is the box of battery package, and the second structure is the supporting beam of battery package, and the bush structure wears to establish on supporting beam, with supporting beam fixed connection, bush structure still bonds through the structural adhesive with the box, need not to destroy box structure, can fix supporting beam in the box through bush structure, and bush structure wears to establish on supporting beam, has still increased the structural strength of supporting beam, solves the problem that bush structure can't be used for supporting beam and box to be connected. The bushing structure is not limited to connecting the support beam to the box body, but may be used for connecting other structural members that need to be riveted or screwed or welded and glued.
The bushing structure can comprise a body, the body comprises a first end face, the first end face is provided with a glue groove, a notch of the glue groove is away from the body, the body is used for being connected with a first structural member, a mounting hole is formed in the first structural member, the body is located in the mounting hole and can be riveted or in threaded connection or welded with the first structural member, the body and the first structural member are fixedly connected, structural glue is injected into the glue groove, the first end face of the body can be bonded with the surface of a second structural member, the first structural member and the second structural member are integrally connected, and the bushing structure can be suitable for riveting or threaded connection or welding and gluing mixed use.
The bushing structure of the embodiment of the utility model can be applied to various structural members, and in the following embodiments, the first structural member is taken as a supporting beam of a battery pack, and the second structural member is taken as a box body of the battery pack as an example for explanation.
Fig. 1, fig. 6, fig. 7 and fig. 8 show a perspective view of a bushing structure of a first glue groove according to an embodiment of the utility model; fig. 6 is a schematic structural view of a battery pack according to an embodiment of the present utility model; FIG. 7 is a cross-sectional view B-B of FIG. 6; fig. 8 is a partial enlarged view at C in fig. 7. A bushing structure such as bushing structure 300 includes a body such as body 310.
The bushing structure 300 may include a body 310 for connecting a box body such as the box body 100 and a support beam such as the support beam 200, a plurality of mounting holes 210 are provided at intervals along the length direction of the support beam 200, the body 310 is for fixedly connecting with the support beam 200, and the body 310 is at least partially positioned in the mounting holes 210. The body 310 can be riveted with the support beam 200, the installation structure is stable, and the body 310 is partially positioned in the support beam 200, so that the structural strength of the support beam 200 is improved. The body 310 includes a first end surface such as the first end surface 320, the first end surface 320 is provided with a glue groove such as the glue groove 330, the notch of the glue groove 330 is away from the body 310, structural glue can be injected into the glue groove 330, the first end surface 320 is attached to the bottom surface of the box 100, the body 310 is glued with the box 100, and the support beam 200 can be fixed in the box 100 without changing the bottom structure of the box 100.
In some embodiments of the present utility model, referring to fig. 1, a body 310 includes a connection shaft such as connection shaft 311 and an abutment disk such as abutment disk 312. The connecting shaft 311 is fixedly connected with the supporting beam 200, the connecting shaft 311 is at least partially positioned in the mounting hole 210 of the supporting beam 200, and the connecting shaft 311 can be in threaded connection, riveted or welded integration with the supporting beam 200. One side of the abutting disc 312 is fixedly connected with the connecting shaft 311, the first end face 320 is located on one side of the abutting disc 312, which is away from the connecting shaft 311, the first end face 320 is provided with a glue groove 330, and the notch of the glue groove 330 is away from one side of the connecting shaft 311. Structural glue is injected into the glue groove 330, and the abutting disc 312 is glued with the bottom of the box body 100. The contact plate 312 has a disk shape, the connection shaft 311 has a cylindrical shape, the connection shaft 311 is coaxially provided with the contact plate 312, and the outer diameter of the contact plate 312 is larger than the outer diameter of the connection shaft 311. When the body 310 connects the box 100 and the support beam 200, the side of the abutting plate 312 away from the first end face 320 abuts against the support beam 200 around the mounting hole 210, so as to prevent the bushing structure 300 from sliding out of the support beam 200, and ensure the stable connection structure between the connecting shaft 311 and the support beam 200. The contact area between the contact plate 312 and the bottom surface of the case 100 is large, and the adhesive area is large, so that the adhesion stability of the contact plate 312 and the case 100 is ensured. In addition, for CTP, a certain space needs to be reserved between the support beam 200 and the bottom of the box body 100 to be used as a pressure relief cavity, the abutment plate 312 protrudes out of the support beam 200, so that the support beam 200 can be separated from the bottom of the box body 100, a certain distance is reserved between the support beam 200 and the bottom of the box body 100 to form the pressure relief cavity, and the thickness of the abutment plate 312 can be designed according to the height of the pressure relief cavity.
In some embodiments of the present utility model, referring to fig. 1, the connecting shaft 311 and the abutment plate 312 are integrally formed. The bushing structure 300 is easily formed, simplifying the manufacturing process. Of course, the present disclosure is not limited to the molding method of the bushing structure 300, and for example, the connecting shaft 311 and the abutment plate 312 may be connected to each other by welding or may be integrally molded by injection molding.
In some embodiments of the present utility model, the bushing structure 300 is made of an aluminum material. It will be appreciated that the present disclosure is not limited to the particular materials of bushing structure 300, and that other more rigid metals, such as stainless steel materials, may be used.
In other embodiments of the present utility model, the body 310 may also have a pin-shaped structure, and the outer diameters of the body 310 along the axial direction are the same.
The glue groove of the present embodiment has various forms to achieve the adhesion of the body 310 to the bottom of the case 100, which will be illustrated below.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic perspective view of a bushing structure of a first glue groove according to an embodiment of the utility model; FIG. 2 is a schematic view of a first end face of a bushing structure provided by an embodiment of the utility model; fig. 3 is a cross-sectional view A-A of fig. 2.
The glue groove 330 includes a first groove 331 and a plurality of second grooves 332, the first groove 331 is formed in the middle of the first end surface 320, the first groove 331 is recessed toward a side away from the first end surface 320, the first groove 331 is cylindrical, and the first groove 331 and the body 310 are coaxially arranged. The second grooves 332 extend in the radial direction of the first end face 320, the second grooves 332 communicate with the first grooves 331, and the plurality of second grooves 332 are circumferentially spaced around the first grooves 331.
In practical application, the body 310 is connected with the supporting beam 200, the structural adhesive is injected into the first groove 331, the structural adhesive overflows from the first groove 331 to the second groove 332 communicated with the first groove, the lining structure 300 passes through the adhesive groove 330 on the first end face 320 and is adhered to the bottom of the box body 100, the adhesive force is increased, and the structural adhesive is prevented from overflowing to a position beyond the first end face 320 while the sufficient adhesive amount is ensured.
In some embodiments of the present utility model, to prevent the structural adhesive from overflowing beyond the first end surface 320, the second groove 332 has a first end 3321 and a second end 3322, the first end 3321 is close to the first groove 331, the second end 3322 is close to the side surface of the body 310, the width of the second groove 332 increases from the first end 3321 to the second end 3322, the second groove 332 has a first groove wall 3323 to a second groove wall 3324 opposite to each other, and the width of the second groove 332 refers to the distance between the first groove wall 3323 and the second groove wall 3324.
The second groove 332 is in a horn shape, the width of the second groove 332 at the first end 3321 is smaller than the width of the second groove 332 at the second end 3322, the structural adhesive flows from the first groove 331 to the second end 3322 of the second groove 332, the width of the second groove 332 is larger as the second groove 332 is closer to the second end 3322, the flowing resistance is smaller, the smoothness is higher, and the sol amount is larger, so that the structural adhesive is prevented from overflowing to a position beyond the first end face 320.
In some embodiments of the present utility model, in order to prevent the structural adhesive from overflowing beyond the first end surface 320, the second groove 332 has a groove bottom 3325, the groove bottom 3325 is inclined, and one end of the groove bottom 3325 near the first groove 331, that is, the first end 3321, is farther from the first end surface 320 than the other end of the groove bottom 3325 near the side surface of the body 310, that is, the second end 3322.
It can be appreciated that the structural adhesive in the first groove 331 flows along the groove bottom 3325 of the second groove 332 under the action of gravity, the groove bottom 3325 is obliquely arranged, the resistance in the flowing process of the structural adhesive is reduced, and the drainage effect is good. And the depth of the second groove 332 near the first end 3321 is greater than that of the second groove 3322, the greater the glue amount is at the middle position of the second groove 332 near the first end surface 320, the greater the glue thickness is, so that the bonding effect is ensured and the structural glue is prevented from overflowing to the position beyond the first end surface 320.
In order to balance the flow directing effect with the amount of glue at each location, the angle of inclination between the groove bottom 3325 and the first end face 320 is α, 4+.ltoreq.α.ltoreq.8°, the angle of inclination α may be 4 °, 5 °, 6 °, 6.5 °, 7 ° or 8 °, among other values not listed.
In order to reduce the resistance in the flowing process of the structural adhesive, a connecting surface 333 is arranged between the first end surface 320 between the adjacent second grooves 332 and the notch of the first groove 331, the connecting surface 333 is provided with a third end 3331 and a fourth end 3332, the connecting surface 333 is inclined from the fourth end 3332 to the third end 3331, the third end 3331 is closer to the first groove 331 than the fourth end 3332, the third end 3331 is connected with the notch of the first groove 331, and the fourth end 3332 is connected with the first end surface 320.
The number of the connection surfaces 333 corresponds to the number of the second grooves 332, and the plurality of connection surfaces 333 are located on the same circumference, so that the bushing structure 300 is formed. The connection surface 333 may be a plane or an arc surface, which can reduce the resistance in the flowing process of the structural adhesive and ensure the smooth flowing of the structural adhesive.
Referring to fig. 4, fig. 4 is a schematic perspective view of a bushing structure of a second glue groove according to an embodiment of the utility model.
The glue groove 330 includes a first groove, such as a first groove 331, where the first groove 331 is formed in the middle of the first end surface 320, the first groove 331 is recessed toward a side facing away from the first end surface 320, the first groove 331 is cylindrical, and the first groove 331 is coaxially disposed with the body 310. The body 310 may refer to the body 310 of fig. 1, and is not described herein.
When in practical application, the body 310 is connected with the supporting beam 200, structural adhesive is injected into the first groove 331, the structural adhesive overflows from the first groove 331 to the periphery, the structural adhesive is uniformly paved, and the bonding area between the outer side of the first end face of the body 310 and the bottom of the box body 100 is large enough to ensure the bonding effect.
Referring to fig. 5, fig. 5 is a schematic diagram of a first end face of a bushing structure of a third glue groove according to an embodiment of the utility model.
The glue groove 330 includes a plurality of second grooves such as second grooves 332, the second grooves 332 extending radially of the first end face 320, the plurality of second grooves 332 being circumferentially spaced about the axis of the body 310. The plurality of second grooves 332 may be disposed at equal intervals. Wherein the number of second grooves 332 is set according to the area of the first end surface 320, such as 8 second grooves 332 or 12 second grooves 332. The body 310 may refer to the body 310 of fig. 1, and will not be described herein.
In practical application, the body 310 is connected with the supporting beam 200, the structural adhesive is injected into the second groove 332, the structural adhesive is uniformly paved, the bonding area between the first end face of the body 310 and the bottom of the box body 100 is large enough, the bonding effect is ensured, and the structural adhesive can be prevented from overflowing to a position beyond the first end face 320.
In order to prevent the structural adhesive from overflowing to a position other than the first end surface 320, the second groove 332 has a first end 3321 and a second end 3322, the first groove 331 is near the center of the first end surface 320, the second end 3322 is near the side surface of the body 310, the width of the second groove 332 sequentially increases from the first end 3321 to the second end 3322, the second groove 332 has a first groove wall 3323 to a second groove wall 3324 which are oppositely arranged, and the width of the second groove 332 refers to the distance between the first groove wall 3323 and the second groove wall 3324.
The second groove 332 is in a horn shape, the width of the second groove 332 at the first end 3321 is smaller than the width of the second groove 332 at the second end 3322, the structural adhesive flows from the first groove 331 to the second end 3322 of the second groove 332, the width of the second groove 332 is larger as the second groove 332 is closer to the second end 3322, the flow resistance is smaller, the smoothness is higher, the adhesive bonding area is larger, the adhesive bonding effect is better, and the structural adhesive is prevented from overflowing to a position beyond the first end face 320.
In order to prevent the structural adhesive from overflowing beyond the first end surface 320, the second groove 332 has a groove bottom 3325, and the groove bottom 3325 is inclined, and the first end 3321 of the groove bottom 3325 is farther from the first end surface 320 than the second end 3322 of the groove bottom 3325.
It can be appreciated that the groove bottom 3325 is obliquely arranged, so that the resistance in the flowing process of the structural adhesive is reduced, and the drainage effect is good. And the groove depth of the groove bottom 3325 near the first end 3321 is larger than that of the groove depth at the second end 3322, the glue amount at the middle position of the first end surface 320 is larger as the first groove 331 is nearer to the first end surface 320, so that the bonding effect is ensured and the structural glue is prevented from overflowing to the position beyond the first end surface 320.
In order to balance the flow directing effect with the amount of glue at each location, the angle of inclination between the groove bottom 3325 and the first end face 320 is α, 4+.ltoreq.α.ltoreq.8°, the angle of inclination α may be 4 °, 5 °, 6 °, 6.5 °, 7 ° or 8 °, among other values not listed.
As a variant, the glue groove 330 is an annular groove, different from the shape of the glue groove 330, and a plurality of annular grooves are concentrically arranged, and the center of the glue groove 330 is located on the axis of the body 310.
Referring to fig. 6, 7 and 8, the embodiment of the present utility model further provides a battery pack including a case such as the case 100, a support beam 200 such as the support beam 200, and a bushing structure 300 according to any of the above embodiments, wherein the bushing structure 300 includes a body 310, a plurality of mounting holes 210 are spaced apart along a length direction of the support beam 200, the body 310 is fixedly connected with the support beam 200, and the body 310 is at least partially positioned in the mounting holes 210. The body 310 includes a first end face 320, the first end face 320 is provided with a glue groove 330, a notch of the glue groove 330 faces away from the body 310, structural glue is injected into the glue groove 330, and the first end face 320 is attached to the bottom surface of the box 100.
In actual use, the bushing structure 300 is fixedly connected with the supporting beam 200, before the supporting beam 200 is pre-installed, structural adhesive is coated on the bottom surface of the box body 100, the coating position of the structural adhesive corresponds to the position of the bushing structure 300, the supporting beam 200 is placed again, the structural adhesive enters the adhesive groove 330, and as a result, the structural adhesive is sprung out by gravity assistance, the adhesive area and the adhesive strength are increased through the combination of the first end surface 320 of the bushing structure 300 and the box body 100, and the structural stability is good. In addition, the bushing structure 300 is fixedly connected with the support beam 200, and a plurality of bushing structures are arranged along the length direction of the support beam 200 at intervals, so that the structural strength of the support beam 200 is increased.
The embodiment of the present utility model further provides a vehicle, including the above battery pack, where the battery pack includes a case such as the case 100, a support beam 200 such as the support beam 200, and the bushing structure 300 in any of the above embodiments, the bushing structure 300 includes a body 310, a plurality of mounting holes 210 are spaced apart along a length direction of the support beam 200, the body 310 is fixedly connected with the support beam 200, and the body 310 is at least partially located in the mounting holes 210. The body 310 includes a first end face 320, the first end face 320 is provided with a glue groove 330, a notch of the glue groove 330 faces away from the body 310, structural glue is injected into the glue groove 330, and the first end face 320 is attached to the bottom surface of the box 100.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features.
The foregoing has outlined rather broadly the more detailed description of embodiments of the utility model, wherein the principles and embodiments of the utility model are explained in detail using specific examples, the above examples being provided solely to facilitate the understanding of the method and core concepts of the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present utility model, the present description should not be construed as limiting the present utility model.

Claims (12)

1. A bushing structure (300) for connecting a first structural member and a second structural member, comprising:
the body (310) is used for being connected with the first structural component, the body (310) is partially located in the mounting hole of the first structural component, the body (310) comprises a first end face (320), a glue groove (330) is formed in the first end face (320), and the first end face (320) is used for being glued with the surface of the second structural component.
2. The bushing structure according to claim 1, wherein the glue groove (330) comprises a first groove (331), the first groove (331) being provided in the middle of the first end surface (320), coaxially arranged with the body (310).
3. The liner structure of claim 2, wherein the glue groove (330) further comprises a plurality of second grooves (332), the second grooves (332) extending radially of the first end face (320), the second grooves (332) communicating with the first grooves (331), the plurality of second grooves (332) being circumferentially spaced around the first grooves (331).
4. A bushing structure according to claim 3, wherein the second groove (332) has a first end (3321) and a second end (3322), the first end (3321) being adjacent to the first groove (331), the second end (3322) being adjacent to a side of the body (310), the width of the second groove (332) increasing in sequence from the first end (3321) to the second end (3322), the second groove (332) having oppositely disposed first groove wall (3323) to second groove wall (3324), the width of the second groove (332) referring to the distance between the first groove wall (3323) to the second groove wall (3324).
5. The bushing structure according to claim 3 or 4, characterized in that the second groove (332) has a groove bottom (3325), the groove bottom (3325) being arranged obliquely, the end of the groove bottom (3325) near the first groove (331) being farther from the first end face (320) than the other end of the groove bottom (3325) near the side face of the body (310).
6. The bushing structure of claim 5 wherein an angle of inclination between the groove bottom (3325) and the first end face (320) is a, 4 ° -a-8 °.
7. The bushing structure according to claim 5, characterized in that a connection surface (333) is provided between the first end surface (320) between adjacent second grooves (332) and the notch of the first groove (331), the connection surface (333) having a third end (3331) and a fourth end (3332), the connection surface (333) being inclined from the fourth end (3332) to the third end (3331), the third end (3331) being closer to the first groove (331) than the fourth end (3332), the third end (3331) being connected with the notch of the first groove (331), the fourth end (3332) being connected with the first end surface (320).
8. The bushing structure of any of claims 1-4, wherein the body (310) comprises:
a connecting shaft (311) for connecting with the first structural member, the connecting shaft (311) being at least partially located within the mounting hole of the first structural member;
and an abutting disc (312) connected with the connecting shaft (311), wherein the first end surface (320) is positioned at one end of the abutting disc (312) away from the connecting shaft (311).
9. Bushing structure according to claim 8, characterized in that the connected shaft (311) is of integral construction with the abutment disc (312).
10. The bushing structure of claim 1 or 2, wherein the glue groove (330) further comprises a plurality of second grooves (332), the second grooves (332) extending radially of the first end face (320), the plurality of second grooves (332) being circumferentially spaced about the axis of the body (310).
11. A battery pack, comprising:
a case (100);
the support beam (200), offer the mounting hole (210) on the said support beam (200);
the bushing structure (300) of any of claims 1-10, said body (310) being coupled to said support beam (200), said body (310) being partially positioned within said mounting hole (210), said first end face (320) being glued to said box (100).
12. A vehicle comprising the battery pack of claim 11.
CN202320948036.7U 2023-04-24 2023-04-24 Bushing structure, battery pack and vehicle Active CN220021401U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320948036.7U CN220021401U (en) 2023-04-24 2023-04-24 Bushing structure, battery pack and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320948036.7U CN220021401U (en) 2023-04-24 2023-04-24 Bushing structure, battery pack and vehicle

Publications (1)

Publication Number Publication Date
CN220021401U true CN220021401U (en) 2023-11-14

Family

ID=88686054

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320948036.7U Active CN220021401U (en) 2023-04-24 2023-04-24 Bushing structure, battery pack and vehicle

Country Status (1)

Country Link
CN (1) CN220021401U (en)

Similar Documents

Publication Publication Date Title
US4817264A (en) Fastener and assembly process
CN102947111B (en) Composite structural element, particularly for a vehicle suspension, and method for manufacturing the same
CN220021401U (en) Bushing structure, battery pack and vehicle
JPWO2004051113A1 (en) Liquid-filled vibration isolator
CN111003130A (en) Wind power boosting rotor outer cylinder and manufacturing method thereof
CN103890415B (en) Connecting arrangement between a plastic component and another structural element
CN209773717U (en) Battery tray lug connection structure
EP0373858A2 (en) Mounting of tubular elements
CN113285150B (en) Cover plate structure of power battery
CN116487791A (en) Battery pack box, battery pack and vehicle
CN213863730U (en) Anti-drop formula steel lining rotational moulding storage tank
CN217682733U (en) Metal nut and vehicle with same
CN113942358A (en) Stabilizer bar mounting structure and vehicle
CN220774557U (en) Battery pack shell, battery pack and power device
CN207773146U (en) Split type variation rigidity is shaken the head backstop
CN207921069U (en) Spot welding rivet
US20200076023A1 (en) Housing assembly for one or more electro-chemical cells
CN215578765U (en) Cover plate structure for power battery
CN217672885U (en) Crossbeam, automobile body and vehicle
CN111174006A (en) Connecting structure of composite material pipe and flange
CN219106378U (en) Battery pack lower box, battery pack and vehicle
CN219865854U (en) Transmission shaft balancing piece
CN218975659U (en) Battery pack and electric equipment
US20200101792A1 (en) Wheel bearing unit
CN214248148U (en) Crankshaft vibration isolator and belt wheel thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant