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Locking mechanism and battery fixing device

A locking mechanism and locking position technology, applied in the direction of electric power devices, power devices, battery pack components, etc., can solve problems such as locking failure, easy deformation of small balls, and unsmooth locking, so as to reduce stress concentration, Simple and efficient installation structure

Pending Publication Date: 2020-12-11
ZHEJIANG JIZHI NEW ENERGY AUTOMOBILE TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It solves the technical problem that the small ball extruded out of the locking hole in the prior art is easily deformed, resulting in unsmooth locking or even locking failure

Method used

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  • Locking mechanism and battery fixing device
  • Locking mechanism and battery fixing device
  • Locking mechanism and battery fixing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as Figure 1-5 As shown, a locking mechanism includes a locking connector 7, a locking housing 5, a jacking device and a locking ball 3; The protruding locking hole 6, the aperture of the locking hole 6 is smaller than the outer diameter of the locking ball, to prevent the locking ball from falling off.

[0043] The jacking device includes a jacking block 4 and a jacking rod 19, and the jacking block 4 is used to push the locking ball 3 out of the locking hole.

[0044] The ejection block 4 has an ejection groove 2 that cooperates with the locking ball 3, and the upper end of the ejection block 4 is provided with an ejection block return spring 1, and the two ends of the ejection block return spring 1 are connected to the ejection block 4 and the locking housing 5 respectively. touch. There are four ejection grooves 2 and locking balls 3 in this embodiment, and the ejection grooves 2 are uniformly arranged on the ejection blocks 4 .

[0045] The jacking rod 19 i...

Embodiment 2

[0060] The difference from Embodiment 1 is that the jacking device includes a jacking block 4 and a jacking rod 19, and the jacking block is used to push the locking ball out of the locking hole. The jacking rod is integrally formed with the ejector block. The ejector block has an ejection groove that matches the locking ball. The upper end of the ejector block is provided with a reset spring of the ejector block. Both ends of the ejector block reset spring are respectively connected with the ejector block and the locking The shells are in contact.

Embodiment 3

[0062] The difference from Embodiment 1 is that the ejector block 4 has an ejector groove 2 that cooperates with the locking ball 3, and the upper end of the ejector block 4 is provided with an ejector block elastic reset member 1, which is specifically an ejector block reset spring, The two ends of the ejector block return spring are in contact with the ejector block 4 and the locking housing 5 respectively. There are 2 or 3 ejection grooves 2 and locking balls 3 in this embodiment, and the ejection grooves 2 are uniformly arranged on the ejection blocks 4 .

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Abstract

The invention relates to a locking mechanism which comprises a locking shell, a locking connecting piece, a jacking device and a locking ball. The locking connecting piece is arranged at the end of the locking shell in a sleeving manner, a locking hole is formed in the end of the locking shell, the locking ball is arranged in the locking shell and can partially extend out of the locking hole, andwhen the locking ball partially extends out of the locking hole, the locking shell and the locking connecting piece are relatively locked. The jacking device comprises a jacking block and a jacking rod, the jacking block is used for jacking the locking ball out of the locking hole, the jacking block is provided with a jacking groove matched with the locking ball, and in the moving process of the jacking device between the locking position and the unlocking position, the locking ball and the jacking groove are in line contact fit. The locking mechanism is small in deformation and stable in structure. The technical problems that in the prior art, a small ball extruded out of a locking hole is prone to deformation, and consequently locking is not smooth and even fails are solved.

Description

technical field [0001] The invention relates to the field of electric vehicles, in particular to a locking mechanism on the electric vehicle and a battery fixing device using the locking mechanism. Background technique [0002] The power supply methods of the former electric vehicle power battery are generally divided into two methods: plug-in charging with the car and battery replacement, among which there are two modes of plug-in charging: slow charging and fast charging. The plug-in charging method has the following defects: 1. The initial investment cost of the battery is relatively large, which hinders the popularization of electric vehicles to a certain extent; 2. The charging time is too long, at least 2 to 4 hours, which is comparable to the refueling of ordinary cars Compared with electric vehicles, it takes too long to recharge energy, which is very inconvenient and far from meeting people's needs. The fast charging mode will cause greater damage to the battery, r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K1/04B60L53/80H01M2/10
CPCB60K1/04B60K2001/0455B60L53/80B60S5/06Y02T10/70Y02T10/7072
Inventor 韩磊王志海张志强陈狄松吴元和杨欣王雷
Owner ZHEJIANG JIZHI NEW ENERGY AUTOMOBILE TECH CO LTD
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