CN218123633U - Battery pack structure - Google Patents
Battery pack structure Download PDFInfo
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- CN218123633U CN218123633U CN202222524020.1U CN202222524020U CN218123633U CN 218123633 U CN218123633 U CN 218123633U CN 202222524020 U CN202222524020 U CN 202222524020U CN 218123633 U CN218123633 U CN 218123633U
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- hole
- sleeve
- main body
- protruding portion
- battery pack
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a battery pack structure, including installation roof beam and sleeve, the installation roof beam is hollow structure, including first lateral wall and second lateral wall, seted up first through-hole on the first lateral wall, seted up the second through-hole on the second lateral wall, the sleeve with first through-hole, the coaxial setting of second through-hole, including protruding portion and main part, protruding portion and installation roof beam fixed weld, the first through-hole is passed to one end of main part, the other end and protruding portion fixed connection, set up first recess on the border of one side that the protruding portion is close to the main part, the welding seam between protruding portion and the installation roof beam is located first recess; set up first recess on the protruding portion, when using, the welding seam that is located first recess can not influence the normal installation of battery package, and follow-up operating personnel need not to polish the processing to the welding seam, and when the battery package took place to vibrate, the difficult fracture of welding seam between protruding portion and the installation roof beam has guaranteed the reliable connection of installation roof beam and telescopic.
Description
Technical Field
The utility model relates to a battery package technical field especially relates to a battery package structure.
Background
When the loading of battery package was used, operating personnel need install the installation roof beam of battery package on whole car, and the most adoption hollow structure's of installation roof beam aluminum product at present, considers the battery package and puts in order the connection reliability between the car, and operating personnel usually can set up the sleeve at the mounting hole internal fixation of installation roof beam, telescopic position and the mounted position looks adaptation of bolt on the whole car.
Chinese patent CN216015581U discloses a sleeve, battery and power consumption device for battery box, wherein, the sleeve includes main part and carry board, the main part with the pilot hole fastening laminating of battery box, including clearance section and interference section, wherein, clearance section and pilot hole clearance fit, the interference section can support and hold on the outer edge of pilot hole, carry the board setting and be in telescopic axis direction's one end to be connected with the main part, be provided with gluey groove on carrying the board, gluey groove is used for bonding carry board and battery box.
However, in the actual use process, the connection structure of the sleeve and the battery box body has the following technical problems: because the connection relationship between the sleeve and the battery box body is adhesive connection, and the connection reliability of the adhesive connection is poor, after the adhesive connection between the hanging support plate and the battery box body is failed, the sleeve can move on the battery box body due to the clearance fit of the clearance section and the assembling hole, and the assembling error exists between the moved sleeve and the bolt on the whole vehicle, so that the use of the battery pack loading vehicle is influenced.
Therefore, an operator can usually connect the hanging support plate and the battery box body in a welding mode to solve the technical problems, but because a welding seam between the hanging support plate and the battery box body is positioned on the outer edge of the hanging support plate, the subsequent operator needs to polish the welding seam in order to not influence the normal installation of the battery pack, when the battery pack vibrates, the polished welding seam is easy to crack, and the reliable connection between the hanging support plate on the sleeve and the battery box body cannot be ensured.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a battery package structure has solved because when the battery package takes place to vibrate, the fracture phenomenon appears easily in the welding seam after polishing and can't guarantee the technical problem that installation roof beam and sleeve are reliably connected.
The technical scheme of the utility model is realized like this: the utility model provides a battery package structure, including installation roof beam and sleeve, the installation roof beam is hollow structure, including relative first lateral wall and the second lateral wall that sets up, first through-hole has been seted up on the first lateral wall, the second through-hole has been seted up on the second lateral wall, the sleeve with first through-hole the coaxial setting in second through-hole, including protruding portion and main part, the protruding portion with first lateral wall fixed weld, the one end of main part is passed first through-hole, the other end with protruding portion fixed connection, the protruding portion is close to first recess has been seted up on the border of one side of main part, the protruding portion with welding seam between the first lateral wall is located in the first recess.
On the basis of the technical scheme, the battery top cover is preferably further included, the battery top cover is connected with the mounting beam, and a tangent plane is arranged on one side, close to the battery top cover, of the protruding portion.
Still further preferably, a spacing section is arranged between the tangent plane and the first groove.
On the basis of the above technical scheme, preferably, a chamfer is arranged on one side of the first groove, which is far away from the mounting beam.
On the basis of the above technical solution, preferably, the first groove is circumferentially opened on the protruding portion.
On the basis of the above technical solution, preferably, the inner diameter of the second through hole is smaller than the outer diameter of the main body portion, and the main body portion passes through the first through hole and then abuts against the inner surface of the second side wall.
Still further preferably, the inner diameter of the second through hole is larger than the inner diameter of the main body part, and the inner wall of the second through hole is fixedly welded to the main body part.
Preferably, a second groove is formed in an inner wall of the second through hole, the inner wall being close to one side of the main body, and a weld seam between the main body and the second side wall is located in the second groove.
On the basis of the above technical solution, preferably, the main body portion is in interference fit with the first through hole.
On the basis of the above technical solution, preferably, the sleeve is a threaded sleeve or a through-hole sleeve.
The utility model discloses a battery package structure has following beneficial effect for prior art:
(1) The protruding part is provided with a first groove, the first groove is used for accommodating a welding seam between the mounting beam and the protruding part, when the battery pack is used, the welding seam in the first groove does not influence the normal mounting of the battery pack, a subsequent operator does not need to polish the welding seam, when the battery pack vibrates, the welding seam between the protruding part and the mounting beam is not easy to crack, and the reliable connection between the mounting beam and the sleeve is ensured;
(2) The section is arranged on the protruding part and is close to the battery top cover, when the battery top cover is used, the battery top cover is connected with the mounting beam and covers a battery in the battery pack, interference cannot occur between the protruding part and the battery top cover due to the existence of the section, and normal assembly of the battery top cover is guaranteed;
(3) The main body part and the mounting beam are connected in a welding mode, the stability of the sleeve on the mounting beam is further guaranteed, and the reliable connection of the mounting beam and the sleeve is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a top view of a battery pack structure of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of B-B in FIG. 1;
FIG. 4 is an enlarged schematic view of region C of FIG. 3;
fig. 5 is a schematic structural view of the sleeve of the present invention;
fig. 6 is a side view of the sleeve of the present invention;
in the figure: 1. mounting a beam; 11. a first side wall; 12. a second side wall; 101. a first through hole; 102. a second through hole; 103. a second groove; 2. a sleeve; 21. a protrusion; 211. cutting into noodles; 212. a spacer section; 22. a main body portion; 201. a first groove; 202. chamfering; 3. and a battery top cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1 to 6, the battery pack structure of the present invention includes a mounting beam 1 and a sleeve 2.
The mounting beam 1 is of a hollow structure and comprises a first side wall 11 and a second side wall 12 which are arranged oppositely, wherein the first side wall 11 is a top wall of the mounting beam 1, the second side wall 12 is a bottom wall of the mounting beam 1, a first through hole 101 is formed in the first side wall 11, a second through hole 102 is formed in the second side wall 12, the first through hole 101 is coaxial with the second through hole 102, the mounting beam 1 is arranged on one side of a battery bottom plate, the battery bottom plate is used for bearing a battery in a battery pack, when the mounting beam is used, an operator firstly places the battery bottom plate on a mounting plate of a whole vehicle, and then adjusts the position of the mounting beam 1 on the mounting plate until the first through hole 101 and the second through hole 102 on the mounting beam 1 are positioned on the same vertical axis with the connecting holes on the mounting plate.
The sleeve 2 includes a protruding portion 21 and a main body portion 22, where the protruding portion 21 protrudes outward in the horizontal direction with respect to the main body portion 22, that is, any one of the length dimension or the width dimension of the protruding portion 21 in the horizontal direction should be larger than the corresponding dimension of the main body portion 22 in the horizontal direction, specifically, the protruding portion 21 and the main body portion 22 are both cylindrical structures, the outer diameter of the protruding portion 21 is larger than the outer diameter of the main body portion 22, and the protruding portion 21 and the main body portion 22 are integrally molded.
The protruding portion 21 is fixedly welded with the first side wall 11, one end of the main body portion 22 penetrates through the first through hole 101, the other end of the main body portion 22 is fixedly connected with the protruding portion 21, when the fixing device is used, an operator firstly inserts the main body portion 22 of the sleeve 2 into the first through hole 101 until the protruding portion 21 of the sleeve 2 abuts against the upper surface of the mounting beam 1, then the protruding portion 21 and the first side wall 11 are fixedly welded, the mounting beam 1 and the protruding portion 21 are connected in a welding mode, compared with bonding connection in the prior art, the welding connection is higher in connection reliability, and stability of the sleeve 2 on the mounting beam 1 can be effectively guaranteed.
As a preferred embodiment, the utility model discloses a battery package structure still includes battery top cap 3, battery top cap 3 with installation roof beam 1 is connected, and covers the battery in the battery package, in order to avoid sleeve 2's protruding portion 21 to interfere with battery top cap 3, guarantee battery top cap 3's normal assembly, one side that protruding portion 21 is close to battery top cap 3 is equipped with tangent plane 211, specifically, there is the fit clearance between tangent plane 211 and battery top cap 3, fit clearance should not be too big here, when the fit clearance is too big, the design size of installation roof beam 1 will increase, so not only increased the design cost, and still reduced the space utilization of battery package, more specifically, the fit clearance between tangent plane 211 and battery top cap 3 is 0.5 ~ 1mm.
In the present embodiment, a spacer 212 is provided between the cut surface 211 and the first groove 201, and the purpose of the spacer 212 is to prevent the first groove 201 from passing through the cut surface 211, and if the first groove 201 passes through the cut surface 211, it is difficult for an operator to ensure that the weld does not exceed the cut surface 211 during welding the mounting beam 1 and the sleeve 2, and the weld interferes with the battery top cover 3 when the weld exceeds the cut surface 211.
As a preferred embodiment, in order to make things convenient for operating personnel to stretch into first recess 201 with the welding pen, one side that installation roof beam 1 was kept away from to first recess 201 is equipped with chamfer 202, and in welding process, because the existence of chamfer 202, operating personnel can stretch into first recess 201 with the welding pen from chamfer 202 and weld, has made things convenient for operating personnel to the welding of installation roof beam 1 and sleeve 2, has improved welding efficiency.
In a preferred embodiment, the first groove 201 is circumferentially opened on the protruding portion 21, wherein the first groove 201 is circumferentially opened for increasing the connecting area for welding the protruding portion 21 and the mounting beam 1, and improving the connecting strength between the mounting beam 1 and the protruding portion 21.
As a preferred embodiment, the inner diameter of the second through hole 102 is smaller than the outer diameter of the main body portion 22, and the main body portion 22 passes through the first through hole 101 and abuts against the inner surface of the second side wall 12, where the main body portion 22 abuts against the inner surface of the second side wall 12, so that the contact area between the mounting beam 1 and the sleeve 2 is increased, and the stability of the sleeve 2 on the mounting beam 1 is improved.
In the present embodiment, the inner diameter of the second through hole 102 is larger than the inner diameter of the main body 22, the inner wall of the second through hole 102 is fixedly welded to the main body 22, and during welding, an operator can fixedly connect the main body 22 to the second sidewall 12 by welding the lower surface of the main body 22 to the inner wall of the second through hole 102, thereby further ensuring reliable connection between the mounting beam 1 and the sleeve 2.
The inner wall of one side of the second through hole 102 close to the main body part 22 is provided with a second groove 103, the function of the second groove 103 is the same as that of the first groove 201, the second groove 103 and the first groove are used for accommodating a welding seam, the black shaded area of the lower half part in fig. 4 is the welding seam between the main body part 22 and the second side wall 12, when the bolt is used, the welding seam positioned in the second groove 103 cannot influence the bolt to normally extend into the sleeve 2, and a chamfer 202 can be arranged on one side of the second groove 103 far away from the main body part 22, so that the welding of an operator is facilitated.
As a preferred embodiment, in order to prevent the sleeve 2 from moving on the mounting beam 1 during the welding process, the main body 22 is in interference fit with the first through hole 101, before the welding process, an operator inserts the sleeve 2 into the first through hole 101 from top to bottom, and because the main body 22 of the sleeve 2 is in interference fit with the first through hole 101, the sleeve 2 inserted into the first through hole 101 cannot move on the mounting beam 1, thereby ensuring the normal operation of the welding work of the mounting beam 1 and the sleeve 2.
As a preferred embodiment, the sleeve 2 is a threaded sleeve or a through-hole sleeve, the threaded sleeve can meet the connection requirement of bolt fastening when the battery packing vehicle is in use, the through-hole sleeve can meet the connection requirement of nut fastening when the battery packing vehicle is in use, and specifically, when the sleeve 2 is a threaded sleeve, the bolt sequentially penetrates through the mounting plate and the mounting beam 1 on the vehicle from bottom to top and then is meshed with the sleeve 2; when the sleeve 2 is a through hole sleeve, the bolt sequentially penetrates through the mounting plate, the mounting beam 1 and the sleeve 2 on the whole vehicle from bottom to top and then is meshed with the nut.
The working principle is as follows: as shown in fig. 1 to 6, an operator firstly inserts the main body part 22 of the sleeve 2 into the first through hole 101 of the mounting beam 1 until the protruding part 21 of the sleeve 2 abuts against the mounting beam 1, and then welds the protruding part 21 and the mounting beam 1, and the weld seam is located in the first groove 201, so that the normal installation of the battery pack is not affected by the weld seam, the subsequent operator does not need to polish the weld seam, and when the battery pack vibrates, the weld seam between the protruding part and the mounting beam is not easy to crack, thereby ensuring the reliable connection between the mounting beam and the sleeve.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery pack structure includes a mounting beam (1) and a sleeve (2), wherein,
the mounting beam (1) is of a hollow structure and comprises a first side wall (11) and a second side wall (12) which are oppositely arranged, wherein,
a first through hole (101) is formed in the first side wall (11);
a second through hole (102) is formed in the second side wall (12);
the sleeve (2) is coaxially arranged with the first through hole (101) and the second through hole (102), and comprises a protruding part (21) and a main body part (22),
the protruding part (21) is fixedly welded with the first side wall (11);
one end of the main body part (22) penetrates through the first through hole (101), and the other end of the main body part is fixedly connected with the protruding part (21);
the method is characterized in that: a first groove (201) is formed in the edge of one side, close to the main body portion (22), of the protruding portion (21), and a welding seam between the protruding portion (21) and the first side wall (11) is located in the first groove (201).
2. The battery pack structure of claim 1, wherein: still include battery top cap (3), battery top cap (3) with installation roof beam (1) is connected, protruding portion (21) are close to one side of battery top cap (3) is equipped with tangent plane (211).
3. A battery pack structure as claimed in claim 2, wherein: and a spacing section (212) is arranged between the tangent plane (211) and the first groove (201).
4. A battery pack structure as claimed in claim 1, wherein: a chamfer (202) is arranged on one side, away from the mounting beam (1), of the first groove (201).
5. A battery pack structure as claimed in claim 1, wherein: the first groove (201) is formed on the protruding portion (21) in a surrounding mode.
6. The battery pack structure of claim 1, wherein: the inner diameter of the second through hole (102) is smaller than the outer diameter of the main body part (22), and the main body part (22) penetrates through the first through hole (101) and then abuts against the inner surface of the second side wall (12).
7. The battery pack structure of claim 6, wherein: the inner diameter of the second through hole (102) is larger than that of the main body part (22), and the inner wall of the second through hole (102) is fixedly welded with the main body part (22).
8. The battery pack structure of claim 7, wherein: a second groove (103) is formed in the inner wall of one side, close to the main body portion (22), of the second through hole (102), and a welding seam between the main body portion (22) and the second side wall (12) is located in the second groove (103).
9. The battery pack structure of claim 1, wherein: the main body part (22) is in interference fit with the first through hole (101).
10. A battery pack structure as claimed in claim 1, wherein: the sleeve (2) is a threaded sleeve or a through hole sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222524020.1U CN218123633U (en) | 2022-09-23 | 2022-09-23 | Battery pack structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222524020.1U CN218123633U (en) | 2022-09-23 | 2022-09-23 | Battery pack structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218123633U true CN218123633U (en) | 2022-12-23 |
Family
ID=84530508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222524020.1U Active CN218123633U (en) | 2022-09-23 | 2022-09-23 | Battery pack structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218123633U (en) |
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2022
- 2022-09-23 CN CN202222524020.1U patent/CN218123633U/en active Active
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