CN216354551U - Protective housing of lithium battery - Google Patents

Abstract

The utility model belongs to the field of lithium batteries, and particularly relates to a protective shell of a lithium battery, which comprises a protective box, wherein the upper part of the protective box is provided with a protective cover, a handle is welded and fixed on the upper part of the protective cover, a sleeve is arranged on one side surface of the protective box, a fixed L-shaped part is fixedly arranged on the inner wall of the protective box, and the top end surface of the fixed L-shaped is connected with a movable L-shaped in a sliding way, two fixed shafts and two movable nuts are respectively arranged at the two ends of the fixed L-shaped and the movable L-shaped, and the insides of the two fixed shafts and the two movable nuts are both connected with screw rods in a threaded manner, one end of each screw rod is provided with a rotating mechanism, the protective shell for the lithium battery is vertically arranged through the movable plate and the fixed L-shaped and the movable L-shaped and the fixed plate, and the lifting activity through electric push rod drives the pushing plate to move, so that the lithium batteries of different specifications are fixed.

Description

Protective housing of lithium battery

Technical Field

The utility model belongs to the field of lithium batteries, and particularly relates to a protective shell of a lithium battery.

Background

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

The existing lithium batteries are different in size and specification, so that the effect is poor in the process of fixedly mounting the protective shell of the lithium battery, great potential safety hazards exist, and therefore the protective shell of the lithium battery is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, the protective shell of a lithium battery has poor effect and great potential safety hazard in the process of fixing and installing the protective shell of the lithium battery due to different sizes and specifications of the existing lithium battery.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a protective housing of lithium cell, includes the protective housing, the protective cover is installed on the upper portion of protective housing, and the upper portion welded fastening of protective cover has portablely, the sleeve is installed to a side of protective housing, the inner wall fixed mounting of protective housing has fixed L type, and the top face sliding connection of fixed L type has movable L type, two fixed axles and two removal nuts are equally divided to the both ends of fixed L type and activity L type and do not installed, and two fixed axles and two equal threaded connection in inside of removal nut have a lead screw, two slewing mechanism is installed to the one end of lead screw, and the other end of lead screw rotates to be connected on the fixed axle, the movable groove has been seted up to the bottom of activity L type, pushing mechanism is installed to the bottom outer wall of activity L type.

Preferably, two first slide rails are installed on the top end face of the fixed L-shaped part, and slide bars are installed at the positions, corresponding to the two first slide rails, of the two ends of the bottom of the movable L-shaped part.

Preferably, the rotating mechanism comprises a first straight wheel sleeved on the top ends of the two screw rods, a second straight wheel is connected between the two straight wheels in a meshed mode, a rotating rod is sleeved inside the second straight wheel through a bearing, and one end of the rotating rod extends out of the protective box.

Preferably, a baffle is arranged at the top end of the bottom of the movable L-shaped structure.

Preferably, pushing mechanism is including installing two sets of telescopic links in activity L type bottom symmetry and installing the fender that pushes away in two sets of telescopic links one end, and pushes away the top one side fixed mounting of fender and have the fixed plate, and fixed connection on the fixed plate is on a parallel with activity L type one side.

Preferably, a second slide rail is installed in the middle of the top end of the pushing baffle, and a movable plate is connected to the upper portion of the second slide rail in a sliding manner.

The utility model has the technical effects and advantages that: according to the utility model, the straight wheels I on two sides are driven to rotate by the straight wheels II, the screw rod is driven to rotate, so that the movable nut drives the movable L-shaped to move, and the stable sliding of the movable L-shaped is realized by the first sliding rail and the sliding rod; the lithium battery fixing device is characterized in that the movable plate, the fixed L-shaped plate, the movable L-shaped plate and the fixed plate are arranged in a vertical shape, and the pushing plate is driven to move through the lifting movement of the electric push rod, so that the lithium batteries of different specifications can be fixed.

Drawings

Fig. 1 is a schematic structural diagram of a protective casing of a lithium battery;

FIG. 2 is a schematic view of the interior of the protective housing of the lithium battery of the present invention;

FIG. 3 is another schematic view of the interior of the protective casing of the lithium battery;

FIG. 4 is a schematic view of the protective casing of the lithium battery with a movable L-shape;

fig. 5 is a top cross-section of the protective housing of the lithium battery of the present invention.

In the figure: 1. a protective box; 2. a rotating rod; 3. a protective cover; 4. a first straight wheel; 5. a second straight wheel; 6. fixing the L shape; 7. an active L-shape; 8. a baffle plate; 9. a movable groove; 10. a fixing plate; 11. a movable plate; 12. a screw rod; 13. a fixed shaft; 14. moving the nut; 15. pushing the baffle; 16. a slide bar; 17. a first slide rail; 18. a telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a protective housing for a lithium battery comprises a protective case 1, the protective case 1 has an anti-explosion impact capability, and can limit the explosion damage within a certain range, a protective cover 3 is installed on the upper portion of the protective case 1, a charging interface can be installed on the protective cover 3, a handle is fixed on the upper portion of the protective cover 3 by welding, the protective case 1 is convenient to carry, a sleeve is installed on one side surface of the protective case 1, a fixed L-shaped 6 is fixedly installed on the inner wall of the protective case 1, a movable L-shaped 7 is slidably connected to the top end surface of the fixed L-shaped 6, the fixed L-shaped 6 and the movable L-shaped 7 are both in an L-shaped form, the sleeve is arranged so that the movable L-shaped 7 can freely move, the fixed L-shaped 6 and the movable L-shaped 7 can better fix the lithium battery, two fixed shafts 13 and two movable nuts 14 are respectively installed at two ends of the fixed L-shaped 6 and the movable L-shaped 7, the internally mounted of fixed axle 13 has the bearing, and the equal threaded connection in inside of two fixed axles 13 and two traveling nuts 14 has lead screw 12, slewing mechanism is installed to the one end of two lead screws 12, the other end of lead screw 12 rotates and connects on fixed axle 13, movable groove 9 has been seted up to the bottom of activity L type 7, the setting of movable groove 9, in order to place the lithium cell, conveniently make fixed L type 6 and activity L type 7 can fix the lithium cell of different specifications, pushing mechanism is installed to the bottom outer wall of activity L type 7.

Referring to fig. 1-2, two first slide rails 17 are installed on the top end face of the fixed L-shaped 6, slide bars 16 are installed at the positions, corresponding to the two first slide rails 17, of the two ends of the bottom of the movable L-shaped 7, the two slide bars 16 are both connected with the first slide rails 17 in a sliding mode, so that the movable L-shaped 7 can be made to slide stably on the fixed L-shaped 6 conveniently, and a supporting effect can be achieved.

Referring to fig. 1-2, the rotating mechanism comprises a first straight wheel 4 sleeved on the top ends of two screw rods 12, the inner parts of the first straight wheels 4 are movably connected with one side surface of the protective box 1 through bearings, a second straight wheel 5 is connected between the two straight wheels in a meshed mode, a rotating rod 2 is sleeved on the inner part of the second straight wheel 5 through a bearing, one end of the rotating rod 2 extends out of the protective box 1, and a rotary table convenient to rotate is installed on the top end of the rotating rod 2.

Referring to fig. 3-4, the baffle 8 is installed at the top end of the bottom of the movable L-shaped 7, and the baffle 8 is arranged to prevent the movable L-shaped 7 from being separated from the fixed L-shaped 6, so that the stability of fixing the fixed L-shaped 6 and the movable L-shaped 7 is improved.

Referring to fig. 3-4, the pushing mechanism comprises two groups of telescopic rods 18 symmetrically arranged at the bottom of the movable L-shaped 7 and a pushing baffle 15 arranged at one end of each of the two groups of telescopic rods 18, a hydraulic machine is arranged in the movable L-shaped 7 at a position corresponding to the two groups of telescopic rods 15, the hydraulic machine is controlled by an external power supply and a single chip microcomputer, a fixing plate 10 is fixedly arranged on one side of the top of the pushing baffle 15, and the fixing plate 10 is parallel to and fixedly connected with one side of the movable L-shaped 7.

Referring to fig. 4-5, a second slide rail is installed in the middle of the top end of the pushing baffle 15, a movable plate 11 is slidably connected to the upper portion of the second slide rail, the movable plate 11 is slidably connected to one side surface of the fixed L-shaped 6 in parallel, and the movable plate 11 and the fixed L-shaped 6 are in vertical sliding connection, so that different specifications of lithium batteries can be conveniently fixed.

The working principle is as follows: this a protective housing for lithium cell, in the use, open protecting box 1, according to the lithium cell width, rotate bull stick 2, drive two 5 rotations of straight wheel, then the rotation of two 5 of straight wheel drives a 4 synchronous rotations on both sides, under the rotation through removal nut 14, make activity L type 7 slide on fixed L type 6, it is fixed to make the width of lithium cell receive the constraint, according to the height of lithium cell, it rises to start telescopic link 18, it is fixed to promote the 15 leanings on of baffle that push away on both sides and connect the lithium cell, be the perpendicular shape setting with activity L type 7 and fixed plate 10 at fly leaf 11 and fixed L type 6, just the joint is fixed on the four corners of lithium cell, improve the fixed stability of lithium cell.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a protective housing of lithium cell, includes protective housing (1), its characterized in that: the upper part of the protective box (1) is provided with a protective cover (3), the upper part of the protective cover (3) is fixedly welded with a handle, a sleeve is arranged on one side surface of the protective box (1), a fixed L-shaped part (6) is fixedly arranged on the inner wall of the protective box (1), the top end surface of the fixed L-shaped part (6) is connected with a movable L-shaped part (7) in a sliding way, two fixed shafts (13) and two movable nuts (14) are respectively arranged at the two ends of the fixed L-shaped part (6) and the movable L-shaped part (7), and the insides of the two fixed shafts (13) and the two movable nuts (14) are both connected with screw rods (12) in a threaded manner, one end of each screw rod (12) is provided with a rotating mechanism, the other end of each screw rod (12) is rotatably connected on the fixed shaft (13), a movable groove (9) is formed in the bottom of the movable L-shaped part (7), and a pushing mechanism is installed on the outer wall of the bottom of the movable L-shaped part (7).

2. A protective casing for a lithium battery as claimed in claim 1, characterized in that: two first sliding rails (17) are installed on the top end face of the fixed L-shaped part (6), and sliding rods (16) are installed at the two ends of the bottom of the movable L-shaped part (7) corresponding to the positions of the two first sliding rails (17).

3. A protective casing for a lithium battery as claimed in claim 1, characterized in that: the rotating mechanism comprises a first straight wheel (4) sleeved on the top ends of the two screw rods (12), a second straight wheel (5) is connected between the two straight wheels in a meshed mode, the rotating rod (2) is sleeved inside the second straight wheel (5) through a bearing, and one end of the rotating rod (2) extends out of the protective box (1).

4. A protective casing for a lithium battery as claimed in claim 1, characterized in that: and a baffle (8) is arranged at the top end of the bottom of the movable L-shaped part (7).

5. A protective casing for a lithium battery as claimed in claim 1, characterized in that: the pushing mechanism comprises two groups of telescopic rods (18) which are symmetrically arranged at the bottom of the movable L-shaped body (7) and a pushing baffle (15) which is arranged at one end of the two groups of telescopic rods (18), a fixing plate (10) is fixedly arranged on one side of the top of the pushing baffle (15), and the fixing plate (10) is parallel to the movable L-shaped body (7) and is fixedly connected with one side of the movable L-shaped body.

6. The protective case for a lithium battery as claimed in claim 5, wherein: the middle part of the top end of the push baffle (15) is provided with a second slide rail, and the upper part of the second slide rail is connected with a movable plate (11) in a sliding way.

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