A pressure strip installation device

Abstract

The utility model relates to the field of battery cell assembly, and in particular to a pressure strip installation device, wherein a mounting groove and a plurality of limiting grooves are provided on a limiting plate; along the thickness direction of the limiting plate, the mounting groove penetrates the limiting plate, and the mounting groove is used to match the shape of the pressure strip; the limiting groove has a groove bottom for crimping the top surface of the battery cell and a groove wall for matching the outer side wall of the battery cell, and along the length direction of the limiting plate, a plurality of the limiting grooves are arranged in an array; the pressing plate is provided with an abutment portion, and the abutment portion can extend into the mounting groove to crimp the pressure strip; the position of the pressure strip can be arranged more accurately to prevent the pressure strip from interfering with other components; by providing the mounting groove, the limiting groove and the positioning groove on the limiting plate, the pressure strip installation cost is reduced, the proofing cycle is shortened, and rapid production is facilitated; rapid installation of pressure strips of multiple rows of battery cell modules is realized, so that the spacing between the battery cell rows is effectively controlled.

Description

Technical Field

[0001] The utility model relates to the field of battery core assembly, in particular to a pressure strip installation device. Background Art

[0002] Currently, the pressure strips of multi-row battery cell modules are installed by bolt-locking the pressure strips. During assembly, the inner wall of the battery box is abutted against the pressure strips to ensure the tightness of the battery cells in the battery box. The battery cell row is composed of multiple single-row stacked battery cells.

[0003] However, during the installation of the pressure strip, the positions of adjacent battery cell rows were not regularized, and the placement of the battery cell rows was adjusted based on the experience of the operators, which caused the position of the battery cell rows to easily shift. Moreover, since the bolt locking operation was time-consuming, the pressure strip setting efficiency was low, affecting the assembly efficiency of the battery module.

[0004] Therefore, there is an urgent need for a technical solution to solve the technical problems that when a pressure strip is set for a multi-row battery cell module, the battery cell rows are prone to positional displacement and the pressure strip setting efficiency is low. Utility Model Content

[0005] The utility model aims to provide a pressure strip installation device to solve the technical problems that when pressure strips are set for multiple rows of battery cell modules, the battery cell rows are prone to positional deviation and the pressure strip setting efficiency is low.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A pressure strip installation device comprises a limiting plate and a pressure plate;

[0008] The limiting plate is provided with a mounting groove and a plurality of limiting grooves;

[0009] Along the thickness direction of the limiting plate, the mounting groove passes through the limiting plate, and the mounting groove is used to match the shape of the pressure strip;

[0010] The limiting groove has a groove bottom for crimping the top surface of the battery cell and a groove wall for matching the outer side wall of the battery cell;

[0011] Along the length direction of the limiting plate, a plurality of the limiting grooves are arranged in an array;

[0012] The pressing plate is provided with a contact portion, and the contact portion can extend into the installation groove to press the pressure strip.

[0013] The utility model discloses a pressure strip installation device, which clamps the battery cells of the battery cell row with a plurality of limiting grooves arranged on a limiting plate, so that the setting position of the installation groove on the battery cell row is fixed, thereby avoiding the position displacement of the pressure strip set in the installation groove; the plurality of limiting grooves are arranged along the length direction of the limiting plate, so that the plurality of installation grooves can correspond to clamp the battery cells at the same time, thereby ensuring that the installation groove is located at the predetermined position of the battery cell row; by arranging an abutting portion on the pressing plate, the abutting portion can extend into the installation groove to abut the pressure strip, thereby bonding the pressure strip to the battery cell row; after the bonding of the pressure strip is completed, the pressing plate and the limiting plate are removed.

[0014] The limiting groove is clamped and connected with the convex bump arranged on the top of the battery cell; the pole of the battery cell is located in the middle of the convex bump.

[0015] As a preferred solution of the utility model, the limit plate is provided with a positioning groove, and the positioning groove passes through the groove bottom along the thickness direction. By providing the positioning groove, the operator can judge whether the installation position of the limit plate is correct by observing the relative position of the positioning groove and the reference object; the reference object is usually selected as the pole of the battery cell.

[0016] As a preferred solution of the utility model, the bottom of each installation groove is provided with the positioning groove, and the installation position of the limit plate can be determined by the multiple positioning grooves, so that the installation accuracy of the limit plate is higher and the displacement of the pressure strip installation position is avoided.

[0017] As a preferred solution of the utility model, the positioning groove is set as an arc-shaped notch, the arc-shaped notch is set at the edge of the groove bottom, and the arc-shaped notch is used to match the battery cell pole. The arc-shaped notch is easier to observe, so that the operator can quickly adjust the position of the limit strip.

[0018] As a preferred solution of the utility model, the limiting plate includes a first strip, and two rows of limiting grooves are provided on the same side of the first strip. Along the width direction of the first strip, the two rows of limiting grooves are respectively located on opposite sides of the side, and the installation groove is arranged between the two rows of limiting grooves. The first strip is used to match two rows of battery cells arranged side by side. The first strip is used to install the pressure strip between the two battery cell rows. The limiting groove on one side of the first strip is connected to one of the battery cell rows, and the limiting groove on the other side is connected to the other battery cell row. The first strip can control the spacing between the two battery cell rows; the installation groove is positioned by the two battery cell rows together, so that the pressure strip can be bonded to the two battery cell rows.

[0019] As a preferred solution of the utility model, the limiting plate includes a second strip, along the width direction of the second strip, one side of the second strip is provided with a row of limiting grooves, and the other side is provided with the mounting groove, and the second strip is used to match the edge side of the battery cell row. The second strip is used to position the pressure strip at the edge of the battery cell module, and the mounting groove is adapted to the shape of the pressure strip set at the edge of the battery cell module.

[0020] As a preferred solution of the utility model, the installation groove comprises a U-shaped groove, and the U-shaped groove is provided with a notch along the width direction of the second strip. The installation groove is a U-shaped groove, and the notch of the U-shaped groove is oriented toward the width direction of the second strip, which is convenient for laying the pressure strip.

[0021] As a preferred solution of the utility model, the pressing plate is a rectangular plate, and a plurality of abutting parts are distributed on the pressing plate, and the shape of the abutting parts is adapted to the shape of the mounting groove. The abutting parts abut against the pressure strip, so that the adhesive parts at the bottom of the pressure strip are bonded to the outer wall of the battery cell, and the rectangular pressing plate can adapt to the rectangular battery cell module, which is convenient for operators to observe and operate.

[0022] As a preferred solution of the utility model, the abutting portion includes a ridge, the length of which matches the length of the pressure strip. The ridge is adapted to the mounting groove, so that when the ridge is adapted to the mounting groove, the ridge abuts the pressure strip, thereby bonding the pressure strip to the outer wall of the battery cell.

[0023] As a preferred solution of the utility model, the pressing plate is provided with a grip. Two grips are provided, the connection line of the two grips is parallel to the length direction of the pressure strip, and the two grips are relatively arranged on the pressing plate, so that the operator can apply pressure to the pressing plate more evenly, ensuring that the pressure strip and the battery cell are well bonded, and making the pressure strip and the battery cell closer.

[0024] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0025] 1. A pressure strip installation device of the utility model clamps the battery cells of the battery cell row with a plurality of limiting grooves arranged on the limiting plate, so that the setting position of the installation groove on the battery cell row is fixed, thereby avoiding the position displacement of the pressure strip set in the installation groove; a plurality of limiting grooves are arranged along the length direction of the limiting plate, so that the plurality of installation grooves can correspond to clamp the battery cells at the same time, thereby ensuring that the installation groove is located at the predetermined position of the battery cell row; an abutting portion is provided on the pressing plate, so that the abutting portion can extend into the installation groove to abut the pressure strip, so that the pressure strip is bonded to the battery cell row; after the pressure strip is bonded, the pressing plate and the limiting plate are removed.

[0026] 2. The utility model discloses a pressure strip installation device with simple structure, easy manufacturing and convenient use. It can arrange the position of the pressure strip more accurately and prevent the pressure strip from interfering with other components. By opening installation grooves, limit grooves and positioning grooves on the limit plate, the pressure strip installation cost is reduced, the proofing cycle is shortened, and rapid production is facilitated. The utility model realizes the rapid installation of pressure strips of multi-row battery cell module, so that the spacing between the battery cell rows is effectively controlled, and it has good economic value and practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a structural schematic diagram of a pressure strip installation device according to an embodiment;

[0028] Figure 2 is a schematic structural diagram of a first strip of an embodiment;

[0029] Figure 3 is a schematic structural diagram of a second strip of an embodiment;

[0030] Figure 4 is a schematic diagram of a first strip-shaped member and a second strip-shaped member in use state according to an embodiment;

[0031] Figure 5 is a schematic structural diagram of a pressing plate of an embodiment;

[0032] Figure 6 The structure diagram of a pressure strip installation device of an embodiment is shown.

[0033] icon:

[0034] 1-pressing plate, 2-limiting plate, 3-installing groove, 4-limiting groove, 5-positioning groove, 6-battery cell row, 7-abutting part, 8-handle, 9-pressing strip, 21-first strip-shaped member, 22-second strip-shaped member, 41-slot bottom, 42-slot wall. DETAILED DESCRIPTION

[0035] The utility model is described in detail below in conjunction with the accompanying drawings.

[0036] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0037] like Figure 1-Figure 5As shown, in one embodiment, a pressure strip installation device includes a limit plate 2 and a pressure plate 1; the limit plate 2 is provided with a mounting groove 3 and a plurality of limit grooves 4; along the thickness direction of the limit plate 2, the mounting groove 3 penetrates the limit plate 2, and the mounting groove 3 matches the shape of the pressure strip 9; the limit groove 4 has a groove bottom 41 for crimping the top surface of the battery cell and a groove wall 42 for matching the outer side wall of the battery cell, and along the length direction of the limit plate 2, a plurality of the limit grooves 4 are arranged in an array; the pressure plate 1 is provided with an abutment portion 7, and the abutment portion 7 can extend into the mounting groove 3 to crimp the pressure strip 9.

[0038] By means of a plurality of limiting grooves 4 arranged on the limiting plate 2 and clamping the cells of the cell row 6, the setting position of the installation groove 3 on the cell row 6 is fixed, thereby preventing the pressure strip 9 arranged in the installation groove 3 from being shifted; a plurality of limiting grooves 4 are arranged along the length direction of the limiting plate 2, so that a plurality of installation grooves 3 can correspond to clamping the cells at the same time, thereby ensuring that the installation groove 3 is at a predetermined position of the cell row 6; by providing an abutting portion 7 on the pressing plate 1, the abutting portion 7 can extend into the installing groove 3 to abut the pressure strip 9, thereby bonding the pressure strip 9 to the cell row 6; after the bonding of the pressure strip 9 is completed, the pressing plate 1 and the limiting plate 2 are removed.

[0039] Specifically, the limiting groove 4 is clamped and connected with the convex bump arranged on the top of the battery cell; the pole of the battery cell is located in the middle of the convex bump.

[0040] Specifically, a positioning groove 5 is provided on the limit plate 2, and the positioning groove 5 passes through the groove bottom 41 of the limit groove 4 along the thickness direction of the limit plate 2; the operator can judge whether the installation position of the limit plate 2 is correct by observing the relative position of the positioning groove 5 and the reference object; the reference object is usually selected as the pole of the battery cell; when the positioning groove 5 is aligned with the pole of the battery cell, it is judged that the limit plate 2 is installed in place.

[0041] Specifically, the limiting plate 2 is a strip-shaped structural member, and a plurality of limiting grooves 4 are arranged along the length direction of the strip-shaped structural member; the limiting grooves 4 can be partially clamped on the battery cell, and multiple limiting grooves 4 are simultaneously clamped on the battery cell to ensure the positioning accuracy of the installation groove 3; the limiting plate 2 includes a first strip member 21 and a second strip member 22, the first strip member 21 is used to install the pressure strip 9 between adjacent battery cell rows 6, and the second strip member 22 is used to install the pressure strip 9 at the edge position of the battery cell row 6.

[0042] Specifically, two rows of limiting grooves 4 are opened on the same side of the first strip member 21. Along the width direction of the first strip member 21, the two rows of limiting grooves 4 are respectively located on the opposite sides of the side, and the two rows of limiting grooves 4 are symmetrically arranged. The cells on the two cell rows 6 are connected by clamping with the limiting grooves 4, so that the spacing between the two cell rows 6 is effectively controlled, and the position of the mounting groove 3 can be positioned to avoid the position of the pressure strip 9 from being offset; in the first strip member 21, the mounting groove 3 is a rectangular through groove, which is located between the two rows of limiting grooves 4. The projection of the rectangular through groove on the cell row 6 covers each cell on the cell row 6, so that the pressure strip 9 can be bonded to each cell in the cell row 6; the area of ​​the pressure strip 9 bonded to the two cell rows 6 after being regularized by the first strip member 21 is equal, so that the pressure strip 9 has the same pressing effect on the two cell rows 6 during assembly.

[0043] Specifically, the first strip member 21 is provided with two relative positioning grooves 5, and the two positioning grooves 5 can respectively determine the installation position of the battery cell row 6 and the first strip member 21, to ensure that the spacing between the two battery cell rows 6 meets the setting requirements, and after the pressure strip 9 is set, it is ensured that the pressure strip 9 has the same clamping effect on the two battery cell rows 6.

[0044] Specifically, the mounting groove 3 in the second strip member 22 is a U-shaped groove, and a notch of the U-shaped groove is arranged along the width direction of the second strip member 22; along the width direction of the second strip member 22, a limiting groove 4 is arranged on one side of the second strip member 22, and a U-shaped groove is arranged on the other side; after the limiting groove 4 of the second strip member 22 is connected to the battery cell row 6, the projection of the U-shaped groove covers each battery cell, so that the pressure strip 9 can be bonded to each battery cell; the limiting groove 4 is connected to the battery cell row 6 through the limiting groove 4, so as to locate the position of the U-shaped groove; the pressure strip 9 is limitedly arranged in the U-shaped groove, so that the pressure strip 9 is bonded to the predetermined position of the battery cell row 6; a positioning groove 5 is arranged on the second battery cell row 6, and the positioning groove 5 passes through the groove bottom 41 of the limiting groove 4 along the thickness direction of the second strip member 22.

[0045] Specifically, the positioning groove 5 is an arc-shaped notch, which is arranged at the edge of the bottom 41 of the limiting groove 4. The arc-shaped notch is adapted to the pole of the battery cell module. When the arc surface of the arc-shaped notch is aligned with the edge of the battery cell pole, it is judged that the battery cell is clamped in place in the limiting groove 4.

[0046] Specifically, the pressing plate 1 is in the shape of a rectangular plate, and a convex rib is provided on the pressing plate 1 as the abutment portion 7. The convex rib is provided with a rectangular abutment surface, and the pressure strip 9 is abutted by the rectangular abutment surface, so that the adhesive part of the pressure strip 9 can be bonded to the battery cell. The shape of the pressure strip 9 is adapted to the shape of the mounting groove 3, and the shape of the convex rib is adapted to the shape of the mounting groove 3, so that the length of the convex rib matches the length of the pressure strip.

[0047] Specifically, two handles 8 are provided on the side of the pressing plate 1 away from the ridge. The two handles 8 are arranged opposite to each other on the pressing plate 1, and the connecting line of the two handles 8 is parallel to the length direction of the ridge. The operator can apply pressure to the pressing plate 1 by holding different handles 8 with both hands to ensure uniform pressure, thereby ensuring good adhesion between the pressure strip 9 and the battery cell.

[0048] A pressure strip installation device of the present embodiment uses a first strip member 21 and two second strip members 22 to adjust the positions of the two battery cell rows 6 so that the two sides of the first strip member 21 are respectively connected to the two battery cell rows 6, and confirm that the installation position of the first strip member 21 meets the requirements through the positioning groove 5; set the second strip member 22 at the edge of the battery cell row 6, and confirm that the setting position of the second strip member 22 meets the requirements through the positioning groove 5; place matching pressure strips 9 in the rectangular through groove and the U-shaped groove respectively; use the pressing plate 1 to make the convex ridges press on the pressure strip 9 so that the pressure strip 9 is bonded to the battery cell row 6; remove the first strip member 21, the second strip member 22 and the pressing plate 1 to complete the installation of the pressure strip 9.

[0049] In one embodiment, the limiting plate 2 is provided with a plurality of positioning grooves 5, and the groove bottom 41 of each limiting groove 4 is provided with a positioning groove 5. By providing a plurality of positioning grooves 5, the limiting plate 2 can be positioned more accurately.

[0050] In one embodiment, the length of the ridge is smaller than the length of the positioning groove 5, and the width of the ridge is smaller than the width of the positioning groove 5. This makes it easier for the ridge structure to enter the positioning groove 5, and reduces the interference between the ridge and the limiting plate 2.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A layer strip installation device, characterized in that: It comprises a limit plate (2) and a pressure plate (1); The limiting plate (2) is provided with a mounting groove (3) and a plurality of limiting grooves (4); Along the thickness direction of the limiting plate (2), the mounting groove (3) penetrates the limiting plate (2), and the mounting groove (3) is used to match the shape of the pressure strip (9); The limiting groove (4) comprises a groove bottom (41) for pressing the top surface of the battery cell and a groove wall (42) for matching the outer side wall of the battery cell; A plurality of the limiting grooves (4) are arranged in an array along the length direction of the limiting plate (2); The pressing plate (1) is provided with an abutment portion (7), and the abutment portion (7) can extend into the installation groove (3) to press the pressure strip (9).

2. A layer strip installation device as claimed in claim 1, characterized in that: The limiting plate (2) is provided with a positioning groove (5), and the positioning groove (5) passes through the groove bottom (41) along the thickness direction.

3. A layer strip installation device as claimed in claim 2, characterized in that: The bottom (41) of each installation groove (3) is provided with the positioning groove (5).

4. A layer strip installation device as claimed in claim 2, characterized in that: The positioning groove (5) is configured as an arc-shaped notch, the arc-shaped notch is provided at the edge of the groove bottom (41), and the arc-shaped notch is used to match the battery cell pole.

5. A layer strip installation device as claimed in claim 1, characterized in that: The limiting plate (2) comprises a first strip-shaped member (21), two rows of limiting grooves (4) are provided on the same side of the first strip-shaped member (21), the two rows of limiting grooves (4) are respectively located on opposite sides of the side along the width direction of the first strip-shaped member (21), the mounting groove (3) is arranged between the two rows of limiting grooves (4), and the first strip-shaped member (21) is used to match two rows of battery cell rows (6) arranged side by side.

6. A layer strip installation device as claimed in claim 1, characterized in that: The limiting plate (2) comprises a second strip-shaped member (22), and along the width direction of the second strip-shaped member (22), a row of limiting grooves (4) is arranged on one side of the second strip-shaped member (22), and the mounting grooves (3) are arranged on the other side, and the second strip-shaped member (22) is used to match the edge side of the battery cell row (6).

7. A layer strip installation device as claimed in claim 6, characterized in that: The mounting groove (3) comprises a U-shaped groove, and the U-shaped groove is provided with a notch along the width direction of the second strip-shaped member (22).

8. A layer strip installation device as claimed in claim 1, characterized in that: The pressing plate (1) is in the shape of a rectangular plate, and a plurality of the abutting portions (7) are distributed on the pressing plate (1), and the shape of the abutting portions (7) is adapted to the shape of the mounting groove (3).

9. A layer strip installation device as claimed in claim 8, characterized in that: The abutment portion (7) comprises a convex ridge, and the length of the convex ridge matches the length of the pressure strip (9).

10. A layer strip installation device according to any one of claims 1 to 9, characterized in that: The pressing plate (1) is provided with a handle (8).

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