Lithium ion battery pack assembling mechanism
By designing the connection mechanism of cylinders, fixing rings, wedge blocks, lock rods and springs, as well as the adjustment mechanism of support rods, racks, gears and handles, the uneven force and model adaptation of fixed shafts in the assembly of lithium-ion battery packs are solved. Problem, it realizes convenient fixation of lithium-ion battery packs and adaptation of different models.
Patent Information
- Application Number
- CN202420611246.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-27
AI Technical Summary
When the existing lithium-ion battery pack assembly mechanism is used, the fixed shaft is retracted into the movable plate and the elastic force support is required, resulting in uneven force, making it difficult to achieve the clamping between the fixed shaft and the bottom plate, and is inconvenient to adapt to different models of batteries. assembly of the group.
A lithium-ion battery pack assembly mechanism including a connecting mechanism and an adjustment mechanism is designed to fix the battery pack through the cooperation of cylinders, fixing rings, wedge blocks, lock rods and springs, as well as support rods, racks, gears and handles. Coordinate to adjust the battery pack to ensure stable fixation and installation of the battery pack under different models.
It realizes convenient assembly and fixation of lithium-ion battery packs, ensures the adaptability and stability of the battery packs under different models, and improves the assembly efficiency and accuracy.
Smart Images

Figure CN222146461U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium ion battery pack assembly, in particular to a lithium ion battery pack assembly mechanism. Background Art
[0002] Lithium-ion batteries are secondary batteries (rechargeable batteries) that rely primarily on the movement of lithium ions between the positive and negative electrodes to work.
[0003] For example, a lithium-ion battery pack assembly mechanism with patent number CN219534730U includes a lithium-ion battery pack body, wherein the upper and lower sides of the lithium-ion battery pack body are respectively provided with a top plate and a bottom plate, both sides of the front and rear ends of the top plate are connected with movable plates by rotation, both sides of the front and rear ends of the bottom plate are provided with fitting grooves that match the outer end structure of the movable plate, and the outer side of the outer end of the movable plate is provided with an opening. The above document still has shortcomings. When in use, the top plate and the bottom plate are respectively placed on the upper and lower sides of the lithium-ion battery pack body, and the movable plate can be rotated on the top plate to embed its outer end into the fitting groove on the bottom plate, and the fixed shaft provided at the outer end of the movable plate can be fixedly engaged under multiple elastic forces. The top plate and the bottom plate are fixed in the card slot on the bottom plate, and the baffle plate and the cross bar cooperate with each other to reinforce the top plate and the bottom plate, so as to realize the function of rapid assembly of the top plate and the bottom plate on the upper and lower sides of the lithium-ion battery pack body. However, when the assembly mechanism in the above document is assembled, when the fixed shaft is retracted into the movable plate, it is necessary to rely on the elastic force of the customer spring and the elastic block, and the elastic block is movably connected to the inside of the movable plate. When the force of the two fixed shafts is uneven, they will deviate to one side, which makes it difficult to realize the card connection between the fixed shaft and the bottom plate. When in use, it is not convenient to realize the assembly of the lithium-ion battery pack. At the same time, the sizes of lithium-ion battery packs of different models are different. When in use, it is not convenient to assemble lithium-ion battery packs of different models and sizes. Utility Model Content
[0004] The utility model aims to solve the problem that it is inconvenient to assemble a lithium ion battery pack, and proposes a lithium ion battery pack assembly mechanism.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A lithium-ion battery pack assembly mechanism is designed, comprising a base and a top plate, the top plate is arranged above the base, a first groove is arranged inside the base, a first connecting rod is rotatably connected to the inside of the first groove via a bearing, a connecting mechanism is arranged above the first connecting rod, a second groove is arranged inside the top plate, a second connecting rod is rotatably connected to the inside of the second groove via a pin shaft, a connecting column is fixedly connected to the lower end of the second connecting rod, a support plate is arranged above the base, an adjustment mechanism is arranged on the outer wall of the support plate, and a lithium-ion battery pack is arranged between the base and the top plate.
[0007] Preferably, the connecting mechanism includes a cylinder, which is fixed to the upper end of the first connecting rod, and the outer wall of the cylinder and the connecting column are loosely matched. The outer wall of the cylinder is fixed with a fixing ring, and the fixing ring is fixedly connected to one end of the first spring. The first spring is sleeved on the outer wall of the cylinder, and the other end of the first spring is fixed with a wedge block, and the wedge block is fixed to the inner wall of the cylinder. The cylinder is slidingly connected to the outer wall of the cylinder, and the wedge block fits with the end of a locking rod. The outer wall of the locking rod is slidingly connected to the cylinder, and the end of the locking rod is clamped with the connecting column. The outer wall of the locking rod is sleeved with a second spring, and the two ends of the second spring are respectively fixedly connected to the locking rod and the cylinder.
[0008] Preferably, the adjustment mechanism includes a support rod, one end of the support rod is fixedly connected to the support plate, the other end of the support rod is fixedly connected to a rack, the outer walls of the support rod and the rack are both slidably connected to the frame, the frame and the rack are respectively fixedly connected to the two ends of the third spring, the two racks are both meshed with gears, the gears are rotatably connected to the frame through bearings, and a handle is fixedly connected to the surface of the gear.
[0009] Preferably, a second hole groove is provided inside the base, and a first hole groove is provided inside the top plate.
[0010] Preferably, the first hole groove and the second hole groove are both in clearance fit with the outer wall of the vertical rod.
[0011] Preferably, a support plate is fixedly connected to the outer wall of the vertical rod.
[0012] The utility model provides a lithium ion battery pack assembly mechanism, the beneficial effect of which is that through the cooperation among the cylinder, the fixing ring, the first spring, the wedge block, the cylinder, the locking rod and the second spring, the cylinder is pulled downward, the cylinder drives the wedge block to move, the wedge block compresses the first spring, the wedge block no longer squeezes the locking rod, the second spring drives the locking rod to slide outward under the elastic action, and the connecting column is inserted into the interior of the cylinder. At this time, the upper end of the vertical rod is inserted into the interior of the first hole groove, the cylinder is released, the first spring drives the wedge block to move under the elastic action, the wedge block drives the locking rod to slide in the opposite direction, the locking rod clamps and fixes the connecting column, the connecting column is fixed inside the cylinder, the connection between the connecting column and the first connecting rod is realized, and then the connection between the base and the top plate is realized, the lithium ion battery pack is fixed between the base and the top plate, the assembly of the lithium ion battery pack is completed, and when in use, the assembly of the lithium ion battery pack is convenient to realize.
[0013] Through the cooperation among the support rod, the rack, the frame, the third spring, the gear and the handle, the handle drives the gear to rotate, the rack drives the two racks to slide, the rack stretches the third spring, the rack drives the support rod to slide, the support rod drives the support plate to move, and the distance between the support plates on both sides is made the same as the thickness of the lithium-ion battery pack. The vertical rod is inserted into the second hole groove, and the handle is released. The third spring drives the rack to slide in the opposite direction under the elastic action, and the rack drives the support plate to move through the support rod, and the two support plates are tightened. The distance between the two support plates can be adjusted, and when in use, it is convenient to assemble lithium-ion battery packs of different models and sizes. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 It is a structural sectional view of the utility model;
[0016] Figure 3 It is a structural schematic diagram of the connection between the cylinder, the fixing ring and the first spring in the utility model;
[0017] Figure 4 It is a structural schematic diagram of the connection between the base, the second hole slot and the vertical rod in the utility model;
[0018] Figure 5 It is a structural schematic diagram of the connection between the top plate and the second hole groove in the utility model;
[0019] Figure 6 This is a schematic diagram of the structure of the connection between the gear, rack and frame in the utility model
[0020] Figure 7 It is a structural schematic diagram of the connection between the base, the top plate and the vertical rod in the utility model.
[0021] In the figure: 1, base, 2, top plate, 3, connecting mechanism, 301, cylinder, 302, fixing ring, 303, first spring, 304, wedge block, 305, cylinder, 306, locking rod, 307, second spring, 3a1, rubber sleeve, 4, adjustment mechanism, 401, support rod, 402, rack, 403, frame, 404, third spring, 405, gear, 406, handle, 5, first groove, 6, first connecting rod, 7, second groove, 8, second connecting rod, 9, connecting column, 10, first hole groove, 11, second hole groove, 12, vertical rod, 13, support plate, 14, lithium-ion battery pack. DETAILED DESCRIPTION
[0022] The utility model is further described below in conjunction with the accompanying drawings:
[0023] Embodiment 1:
[0024] Refer to the attached Figure 1-7 In the present embodiment, a lithium-ion battery pack assembly mechanism comprises a base 1 and a top plate 2, wherein the top plate 2 is arranged above the base 1, a first groove 5 is arranged inside the base 1, a first connecting rod 6 is rotatably connected to the inside of the first groove 5 through a bearing, the first connecting rod 6 can rotate, a connecting mechanism 3 is arranged above the first connecting rod 6, the connecting mechanism 3 facilitates the connection between the first connecting rod 6 and the connecting column 9, a second groove 7 is arranged inside the top plate 2, a second connecting rod 8 is rotatably connected to the inside of the second groove 7 through a pin shaft, the second connecting rod 8 can rotate, and the second connecting rod 8 can rotate. A connecting column 9 is fixedly connected to the lower end of the rod 8, a support plate 13 is arranged above the base 1, and an adjustment mechanism 4 is arranged on the outer wall of the support plate 13. The adjustment mechanism 4 adjusts the distance between the front and rear support plates 13. A lithium-ion battery pack 14 is arranged between the base 1 and the top plate 2. A second hole groove 11 is arranged inside the base 1, and a first hole groove 10 is arranged inside the top plate 2. The first hole groove 10 and the second hole groove 11 are both matched with the outer wall gap of the vertical rod 12. The vertical rod 12 can be inserted into the first hole groove 10 and the second hole groove 11, and the outer wall of the vertical rod 12 is fixedly connected to the support plate 13.
[0025] The connecting mechanism 3 includes a cylinder 301, a fixing ring 302, a first spring 303, a wedge block 304, a cylinder 305, a locking rod 306 and a second spring 307. The cylinder 301 is fixedly connected to the upper end of the first connecting rod 6. The cylinder 301 and the outer wall of the connecting column 9 are clearance-matched. The connecting column 9 can be inserted into the interior of the cylinder 301. The outer wall of the cylinder 301 is fixedly connected with a fixing ring 302. The fixing ring 302 is fixedly connected to one end of the first spring 303. The first spring 303 is sleeved on the outer wall of the cylinder 301. The other end of the first spring 303 is fixedly connected with a wedge block 304. The first spring 303 can drive the wedge block 304 to move under the action of elasticity. The wedge block 304 is fixedly connected to the inner wall of the cylinder 305. The wedge block 304 moves together with the cylinder 305. The cylinder 305 is slidably connected to the outer wall of the cylinder 301.
[0026] The wedge block 304 fits with the end of the locking rod 306, and the wedge block 304 drives the locking rod 306 to slide. The outer wall of the locking rod 306 is slidably connected to the cylinder 301, and the locking rod 306 slides inside the cylinder 301. The end of the locking rod 306 is clamped with the connecting column 9, and the locking rod 306 fixes the position of the connecting column 9. The outer wall of the locking rod 306 is sleeved with a second spring 307, and the two ends of the second spring 307 are respectively fixedly connected to the locking rod 306 and the cylinder 301. The second spring 307 can drive the locking rod 306 to slide under the action of elasticity;
[0027] The cylinder 305 is pulled downward, and the cylinder 305 drives the wedge block 304 to move. The wedge block 304 compresses the first spring 303, and the wedge block 304 no longer squeezes the locking rod 306. The second spring 307 drives the locking rod 306 to slide outward under the elastic action, and the connecting column 9 is inserted into the interior of the cylinder 301. At this time, the upper end of the vertical rod 12 is inserted into the interior of the first hole groove 11, and the cylinder 305 is released. The first spring 303 drives the wedge block 304 to move under the elastic action, and the wedge block 304 drives the locking rod 306 to slide in the opposite direction. The locking rod 306 clamps and fixes the connecting column 9, and the connecting column 9 is fixed inside the cylinder 301, realizing the connection between the connecting column 9 and the first connecting rod 6, and then realizing the connection between the base 1 and the top plate 2, fixing the lithium ion battery pack 14 between the base 1 and the top plate 2, completing the assembly of the lithium ion battery pack 14, and facilitating the assembly of the lithium ion battery pack 14 when in use.
[0028] The adjustment mechanism 4 includes a support rod 401, a rack 402, a frame 403, a third spring 404, a gear 405 and a handle 406. One end of the support rod 401 is fixedly connected to the support plate 13, and the support rod 401 moves together with the support plate 13. The other end of the support rod 401 is fixedly connected to the rack 402, and the rack 402 slides together with the support rod 401. The outer walls of the support rod 401 and the rack 402 are both slidably connected to the frame 403. The frame 403 and the rack 402 are fixedly connected to the two ends of the third spring 404 respectively. The third spring 404 causes the support rod 401 to slide toward the inside of the frame 403 under the elastic action.
[0029] The two racks 402 are meshed with the gear 405, which drives the two racks 402 to slide. The gear 405 is rotatably connected to the frame 403 through a bearing. A handle 406 is fixed to the surface of the gear 405, and the handle 406 drives the gear 405 to rotate. The model of the spring is selected according to the actual use requirements to meet the work needs;
[0030] The handle 406 drives the gear 405 to rotate, the rack 405 drives the two racks 402 to slide, the rack 402 stretches the third spring 404, the rack 402 drives the support rod 401 to slide, the support rod 401 drives the support plate 13 to move, and the distance between the support plates 13 on both sides is made the same as the thickness of the lithium-ion battery pack 14, the vertical rod 12 is inserted into the inside of the second hole groove 11, and the handle 406 is released. The third spring 404 drives the rack 402 to slide in the opposite direction under the elastic action, and the rack 402 drives the support plate 13 to move through the support rod 401, and the two support plates 13 are tightened. The distance between the two support plates 13 can be adjusted. When in use, it is convenient to assemble lithium-ion battery packs 14 of different models and sizes.
[0031] Working principle:
[0032] When the lithium-ion battery pack 14 is assembled using the lithium-ion battery pack assembly mechanism,
[0033] Adjustment phase:
[0034] The lithium-ion battery pack 14 is placed on the upper surface of the base 1, and the handle 406 is turned. The handle 406 drives the gear 405 to rotate, and the rack 405 drives the two racks 402 to slide. The rack 402 stretches the third spring 404, and the rack 402 drives the support rod 401 to slide. The support rod 401 drives the support plate 13 to move, and the distance between the support plates 13 on both sides is the same as the thickness of the lithium-ion battery pack 14. The vertical rod 12 is inserted into the second hole groove 11, and the handle 406 is released. The third spring 404 drives the rack 402 to slide in the opposite direction under the elastic action, and the rack 402 drives the support plate 13 to move through the support rod 401, and the two support plates 13 are tightened. The distance between the two support plates 13 can be adjusted, which is convenient for assembling lithium-ion battery packs 14 of different models and sizes when in use;
[0035] Lithium-ion battery pack assembly stages:
[0036] The first connecting rod 6 is rotated to make the first connecting rod 6 in a vertical state, and the top plate 2 is slowly moved downward from the top. The second connecting rod 8 is in a vertical state under the action of gravity, and the cylinder 305 is pulled downward. The cylinder 305 drives the wedge block 304 to move, and the wedge block 304 compresses the first spring 303. The wedge block 304 no longer squeezes the locking rod 306. The second spring 307 drives the locking rod 306 to slide outward under the elastic action, and the connecting column 9 is inserted into the interior of the cylinder 301. At this time, the upper end of the vertical rod 12 is inserted into the inner part of the first hole groove 11 The cylinder 305 is released, and the first spring 303 drives the wedge block 304 to move under the elastic action, and the wedge block 304 drives the locking rod 306 to slide in the opposite direction, and the locking rod 306 clamps and fixes the connecting column 9, and the connecting column 9 is fixed inside the cylinder 301, so as to realize the connection between the connecting column 9 and the first connecting rod 6, and then realize the connection between the base 1 and the top plate 2, fix the lithium-ion battery pack 14 between the base 1 and the top plate 2, and complete the assembly of the lithium-ion battery pack 14. When in use, it is convenient to realize the assembly of the lithium-ion battery pack 14.
[0037] Embodiment 2:
[0038] Refer to the attached Figure 1-7 : In this embodiment, a lithium-ion battery pack assembly mechanism, the connection mechanism 3 also includes a rubber sleeve 3a1, the rubber sleeve 3a1 is fixedly connected to the outer wall of the cylinder 305, and the rubber sleeve 3a1 protects the friction between the cylinder 305 and the hand;
[0039] Due to the action of the rubber sleeve 3a1 , when the staff member's hand holds the cylinder 305 , the staff member's hand contacts the cylinder 305 through the rubber sleeve 3a1 . The rubber sleeve 3a1 protects the friction between the cylinder 305 and the hand, making it easier for the staff member to drive the cylinder 305 .
[0040] Working principle:
[0041] When the staff member's hand holds the cylinder 305 , the staff member's hand contacts the cylinder 305 through the rubber sleeve 3a1 . The rubber sleeve 3a1 protects the friction between the cylinder 305 and the hand, making it easier for the staff member to drive the cylinder 305 .
[0042] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.
Claims
1. A lithium-ion battery pack assembly mechanism, comprising a base (1) and a top plate (2), wherein the top plate (2) is arranged above the base (1), Features: The base (1) is provided with a first groove (5) inside, the first groove (5) is rotatably connected to a first connecting rod (6) via a bearing, a connecting mechanism (3) is provided above the first connecting rod (6), a second groove (7) is provided inside the top plate (2), the second groove (7) is rotatably connected to a second connecting rod (8) via a pin shaft, a connecting column (9) is fixedly connected to the lower end of the second connecting rod (8), a supporting plate (13) is provided above the base (1), an adjusting mechanism (4) is provided on the outer wall of the supporting plate (13), and a lithium-ion battery pack (14) is provided between the base (1) and the top plate (2).
2. A lithium-ion battery pack assembly mechanism according to claim 1, Features: The connecting mechanism (3) comprises a cylinder (301), the cylinder (301) is fixedly connected to the upper end of the first connecting rod (6), the cylinder (301) and the outer wall of the connecting column (9) are loosely matched, the outer wall of the cylinder (301) is fixedly connected with a fixing ring (302), the fixing ring (302) is fixedly connected with one end of a first spring (303), the first spring (303) is sleeved on the outer wall of the cylinder (301), the other end of the first spring (303) is fixedly connected with a wedge block (304), the wedge block ( 304) is fixedly connected to the inner wall of the cylinder (305), the cylinder (305) is slidably connected to the outer wall of the cylinder (301), the wedge block (304) is fitted with the end of the locking rod (306), the outer wall of the locking rod (306) is slidably connected to the cylinder (301), the end of the locking rod (306) is clamped with the connecting column (9), the outer wall of the locking rod (306) is sleeved with a second spring (307), and the two ends of the second spring (307) are fixedly connected to the locking rod (306) and the cylinder (301) respectively.
3. A lithium-ion battery pack assembly mechanism according to claim 1, Features: The adjustment mechanism (4) comprises a support rod (401), one end of the support rod (401) is fixedly connected to the support plate (13), the other end of the support rod (401) is fixedly connected to a rack (402), the outer walls of the support rod (401) and the rack (402) are both slidably connected to a frame (403), the frame (403) and the rack (402) are respectively fixedly connected to two ends of a third spring (404), the two racks (402) are both meshedly connected to a gear (405), the gear (405) is rotatably connected to the frame (403) via a bearing, and a handle (406) is fixedly connected to the surface of the gear (405).
4. A lithium-ion battery pack assembly mechanism according to claim 1, Features: The base (1) is provided with a second hole groove (11) inside, and the top plate (2) is provided with a first hole groove (10) inside.
5. A lithium-ion battery pack assembly mechanism according to claim 4, Features: The first hole groove (10) and the second hole groove (11) are both loosely matched with the outer wall of the vertical rod (12).
6. A lithium-ion battery pack assembly mechanism according to claim 5, Features: A support plate (13) is fixedly connected to the outer wall of the vertical rod (12).
