Damper for battery cover plate of electric scooter

Abstract

The utility model relates to the technical field of electric scooters, in particular to an electric scooter battery cover plate damper which comprises a base and an accessory fixedly arranged on the back face of a battery cover plate, fixing shafts are fixedly arranged on the two sides of the base, and the outer walls of the fixing shafts are rotationally connected with supporting rods. The supporting rod can be prevented from rotating through damping force among the first damping gasket, the second damping gasket and the supporting rod, so that the battery cover plate is prevented from freely moving after being opened, and the two extrusion plates are driven to synchronously approach to extrude the disc spring, the first damping gasket and the second damping gasket by rotating the forward and backward bidirectional screw rod; and when the extrusion force between the first damping gasket, the second damping gasket and the supporting rod needs to be adjusted so as to adjust the damping force, and when the first damping gasket and the second damping gasket are replaced, the forward and backward bidirectional screw rod is rotated so that the movable block can drive the extrusion plate to be close to increase the extrusion force or enable the extrusion plate to move outwards to be separated, and convenience and rapidness are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric scooter technical field especially relates to a kind of electric scooter battery cover plate damper. BACKGROUND

[0002] The main electric power source of electric scooter is lithium battery pack, which is placed under the footboard. The footboard has a battery cover plate that can be opened. The battery cover plate is installed on the footboard with a hinge. To open the battery cover, you need to unlock the battery and then flip the battery cover upwards. However, there is no damping on the hinge, so after the user opens the cover, they need to hold it with one hand to prevent it from falling. The existing electric scooter battery cover plate damper with application number CN202122405782.5 includes a fixed shaft, a sliding shaft, and two support rods. The two support rods are horizontally arranged……The damping force of the support rods and the two side damping washers prevents rotation, thereby preventing the battery cover plate from moving freely after being opened. However, the rotating support rod may cause the flange nut to fall off during use. To prevent this, the flange nut is welded in place, making it difficult to remove and replace the damping washers. SUMMARY

[0003] The utility model aims at solving the problem of the rotating support rod causing the flange nut to fall off in the prior art. To prevent this, the flange nut is welded in place, making it difficult to remove and replace the damping washers. Therefore, an electric scooter battery cover plate damper is proposed.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] A kind of electric scooter battery cover plate damper is designed, including base, accessory fixed on the back of battery cover plate, both sides of base are fixed with fixed shaft, and the outer wall of fixed shaft is rotatably connected with support rod, the left end surface of two support rods is provided with through hole, and sliding shaft is riveted and connected in through hole, a pair of support rods are provided with accessory, sliding slot is formed between accessory and battery cover plate, and sliding shaft is slidably arranged in sliding slot, the outer wall of fixed shaft is sleeved with damping washer one located on the inner side of support rod, damping washer two located on the outer side of support rod, extrusion ring located on the outer side of damping washer two, disc spring located on the outer side of extrusion ring, and extrusion plate located on the outer side of disc spring, the front end surface of base is provided with through hole located on the right side of support rod, and positive and negative bidirectional screw rod is rotatably arranged in through hole by limiting structure, the outer wall of two sections of positive and negative bidirectional screw rod located on the front and back sides of base and having opposite screw directions is respectively threadedly connected with moving block, and the left end of two moving blocks is respectively welded with extrusion plate.

[0006] Preferably, graphite nylon layer is embedded in both damping washer one and damping washer two, and the end face of graphite nylon layer is flush with the plane of support rod.

[0007] Preferably, the positive and negative bidirectional screw is welded with an end ring at both ends, and the end ring is a hexagonal shape for facilitating rotation by a wrench.

[0008] Preferably, the outer wall of the sliding shaft is sleeved with a PU bushing between the pair of supporting rods.

[0009] Preferably, the end faces of the pair of fixed shafts away from each other are provided with chamfers.

[0010] Preferably, the limiting structure comprises a pair of limiting sleeves, the pair of limiting sleeves are fixed on the outer wall of the middle smooth section of the positive and negative bidirectional screw, and the pair of limiting sleeves are clamped on both sides of the base.

[0011] Preferably, the outer wall of the middle smooth section of the positive and negative bidirectional screw is sleeved with a pair of thrust bearings, and each thrust bearing is clamped between the base and the limiting sleeve.

[0012] The electric scooter battery cover plate damper has the advantages that: the damping force between the damping washer one, the damping washer two and the supporting rod can prevent the supporting rod from rotating, thereby preventing the battery cover plate from freely moving after being opened, the two extrusion plates are synchronously extruded to the disc spring, the damping washer one and the damping washer two by rotating the positive and negative bidirectional screw, the extrusion force between the damping washer one, the damping washer two and the supporting rod can be adjusted to adjust the damping force, and when the damping washer one and the damping washer two are replaced, the moving block drives the extrusion plate to move close to increase the extrusion force or move away from the extrusion plate, which is convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model proposes a kind of electric scooter battery cover plate damper of the structure schematic diagram of the utility model;

[0014] Figure 2 The utility model proposes the A area enlarged view of a kind of electric scooter battery cover plate damper of the utility model;

[0015] Figure 3 The utility model proposes the B area enlarged view of a kind of electric scooter battery cover plate damper of the utility model;

[0016] Figure 4 The utility model proposes the sectional structure schematic diagram of a kind of electric scooter battery cover plate damper of the utility model;

[0017] Figure 5 The utility model proposes the positive and negative bidirectional screw structure schematic diagram of a kind of electric scooter battery cover plate damper of the utility model.

[0018] In the figure: 1, end ring; 2, disc spring; 3, extrusion ring; 4, support rod; 5, PU bushing; 6, accessory; 7, sliding shaft; 8, base; 9, damping washer I; 10, damping washer II; 11, extrusion plate; 12, positive and negative bidirectional screw; 13, limiting sleeve; 14, moving block; 15, chamfer; 16, fixed shaft; 17, thrust bearing. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Referring to Figures 1-5 A kind of electric scooter battery cover plate damper, including base 8, accessory 6 being fixed to the back of battery cover plate, both sides of base 8 are fixed with fixed shaft 16, and the outer wall of fixed shaft 16 is rotatably connected with support rod 4, the left end side of two support rods 4 is provided with through hole, and riveting connection is carried out in through hole with sliding shaft 7, a pair of support rods 4 are equipped with accessory 6, and sliding slot is formed between accessory 6 and battery cover plate, and sliding shaft 7 is slidably arranged in sliding slot, the outer wall of fixed shaft 16 is equipped with damping washer I 9 located in the inner side of support rod 4, damping washer II 10 located in the outer side of support rod 4, extrusion ring 3 located in the outer side of damping washer II 10, disc spring 2 located in the outer side of extrusion ring 3, extrusion plate 11 located in the outer side of disc spring 2, the front end surface of base 8 is provided with through hole located in the right side of support rod 4, and positive and negative bidirectional screw 12 is rotatably arranged in through hole by limiting structure, and the outer wall of positive and negative bidirectional screw 12 is respectively screw-connected with moving block 14 on the two sides of base 8 and the thread direction is opposite, and the left end of two moving blocks 14 is respectively welded with extrusion plate 11.

[0021] Referring to Figures 1-5 In order to improve the wear resistance and service life of damping washer I 9 and damping washer II 10, graphite nylon layer is embedded in damping washer I 9 and damping washer II 10, and the end surface of graphite nylon layer is attached to the plane of support rod 4.

[0022] Referring to Figures 1-5 In order to facilitate the rotation of positive and negative bidirectional screw 12, end ring 1 is welded at both ends of positive and negative bidirectional screw 12, and end ring 1 is hexagonal for facilitating rotation by wrench.

[0023] Referring to Figures 1-5 In order to reduce the wear of sliding shaft 7 and accessory 6, PU bushing 5 is sleeved on the outer wall of sliding shaft 7 and located between a pair of support rods 4.

[0024] Referring to Figures 1-5 In order to facilitate the sleeve of damping washer I 9 and other components on fixed shaft 16, chamfer 15 is provided on the end surface of a pair of fixed shafts 16 away from each other.

[0025] Referring to Figures 1-5 , in order to prevent the positive and negative bidirectional screw 12 from moving left and right, the limiting structure includes a pair of limiting sleeves 13, and a pair of limiting sleeves 13 are fixed on the outer wall of the middle smooth section of the positive and negative bidirectional screw 12, and the pair of limiting sleeves 13 are clamped on both sides of the base 8.

[0026] Referring to Figures 1-5 , in order to reduce the friction between the base 8 and the limiting sleeve 13, a pair of thrust bearings 17 are sleeved on the outer wall of the middle smooth section of the positive and negative bidirectional screw 12, and each thrust bearing 17 is clamped between the base 8 and the limiting sleeve 13.

[0027] Working principle: when installing, rotate the positive and negative bidirectional screw 12 through the end ring 1 to make the moving block 14 drive the two extrusion plates 11 to synchronously approach and extrude the disc spring 2, so as to sequentially extrude the extrusion ring 3, the damping washer 9, the support rod 4, and the damping washer 10, so as to be able to stop the support rod 4 from rotating through the damping force between the damping washer 9, the damping washer 10, and the support rod 4.

[0028] Not only can the support rod 4 be stopped from rotating through the damping force between the damping washer 9, the damping washer 10, and the support rod 4, thereby preventing the battery cover plate from moving freely after being opened, but also the two extrusion plates 11 can be driven to synchronously approach and extrude the disc spring 2, the damping washer 9, and the damping washer 10 by rotating the positive and negative bidirectional screw 12, and the extrusion force between the damping washer 9, the damping washer 10, and the support rod 4 can be adjusted to adjust the damping force, and when the damping washer 9 and the damping washer 10 are replaced, the extrusion plate 11 can be driven to approach to increase the extrusion force or move away by rotating the positive and negative bidirectional screw 12, which is convenient and fast.

[0029] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacements or changes to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An electric scooter battery cover damper comprising a base (8), an attachment (6) fixed to the back of the battery cover, characterized in that, Both sides of the base (8) are fixedly provided with fixed shafts (16), and the outer wall of the fixed shaft (16) is rotatably connected with a support rod (4). The left end side of the two support rods (4) is provided with a through hole, and the through hole is rivetedly connected with a sliding shaft (7). A pair of the support rods (4) are provided with an accessory (6) between them. The accessory (6) and the battery cover plate form a sliding groove between them, and the sliding groove is slidably provided with the sliding shaft (7). The outer wall of the fixed shaft (16) is provided with a damping washer one (9) located on the inner side of the support rod (4), a damping washer two (10) located on the outer side of the support rod (4), an extrusion ring (3) located on the outer side of the damping washer two (10), a disc spring (2) located on the outer side of the extrusion ring (3), and an extrusion plate (11) located on the outer side of the disc spring (2). The front end face of the base (8) is provided with a through hole located on the right side of the support rod (4), and the through hole is rotatably provided with a forward and reverse bidirectional screw rod (12) through a limiting structure. The forward and reverse bidirectional screw rod (12) is located on the two sections of the outer wall of the base (8) with opposite screw directions, and the two sections of the outer wall are respectively threadedly connected with a moving block (14). The left ends of the two moving blocks (14) are respectively welded with the extrusion plate (11).

2. The electric scooter battery cover plate damper of claim 1, wherein, The damping washer one (9) and the damping washer two (10) are both embedded with a graphite nylon layer, and the end face of the graphite nylon layer is attached to the plane of the support rod (4).

3. The electric scooter battery cover plate damper of claim 1, wherein, The two ends of the forward and reverse bidirectional screw rod (12) are welded with an end ring (1), and the end ring (1) is a hexagon for easy wrench rotation.

4. The battery cover plate damper of the electric kick scooter according to claim 1, wherein, The outer wall of the sliding shaft (7) is provided with a PU bushing (5) located between the pair of support rods (4).

5. The battery cover plate damper of the electric kick scooter according to claim 1, wherein, The end faces of the pair of fixed shafts (16) away from each other are provided with chamfers (15).

6. The battery cover plate damper of the electric kick scooter according to claim 1, wherein, The limiting structure includes a pair of limiting sleeves (13), and a pair of limiting sleeves (13) are fixedly arranged on the outer wall of the middle smooth section of the forward and reverse bidirectional screw rod (12), and the pair of limiting sleeves (13) are clamped between the two sides of the base (8).

7. The battery cover plate damper of the electric kick scooter according to claim 6, wherein, The outer wall of the middle smooth section of the forward and reverse bidirectional screw rod (12) is provided with a pair of thrust bearings (17), and each thrust bearing (17) is clamped between the base (8) and the limiting sleeve (13).

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