CN215418413U

CN215418413U - Battery box of ip68 protection grade

Info

Publication number: CN215418413U
Application number: CN202121458189.0U
Authority: CN
Inventors: 余鹏飞; 刘学林; 许奇
Original assignee: Hangzhou Pengcheng New Energy Technology Co ltd
Current assignee: Hangzhou Pengcheng New Energy Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-01-04
Anticipated expiration: 2031-06-29

Abstract

The utility model belongs to the field of forklift batteries, and particularly relates to an ip68 protection-grade battery box which comprises an outer box body and an inner box body arranged in the outer box body, wherein the inner box body is used for mounting a battery, a first air tightness detection hole is formed in the outer box body, a second air tightness detection hole is formed in the inner box body, plugging bolts are screwed on the first air tightness detection hole and the second air tightness detection hole respectively, a first opening is formed in the top of the outer box body and detachably connected with an outer box cover plate, a first waterproof sealing adhesive tape is arranged between the outer box cover plate and the first opening, a second opening is formed in the top of the inner box body and detachably connected with an inner box cover plate, and a second waterproof sealing adhesive tape is arranged between the inner box cover plate and the second opening. The utility model adopts a double box structure of the inner box and the outer box to enhance the waterproof effect.

Description

Battery box of ip68 protection grade

Technical Field

The utility model belongs to the field of forklift batteries, and particularly relates to a battery box with an ip68 protection grade.

Background

Because of the popularization of lithium battery systems, more and more fields begin to use lithium batteries to replace traditional storage batteries, and because of the diversification of service environments, the requirements on the positive electrode products of the lithium battery systems are higher and higher, and especially in the environment with higher water depth, the intermittent long-time water soaking of the battery systems can bring great quality problems and potential safety hazards.

SUMMERY OF THE UTILITY MODEL

In order to make up the defects of the prior art, the utility model provides a technical scheme of an ip68 protection grade battery box.

The ip68 protection-grade battery box is characterized by comprising an outer box body and an inner box body arranged in the outer box body, wherein the inner box body is used for installing a battery, a first air tightness detection hole is formed in the outer box body, a second air tightness detection hole is formed in the inner box body, plugging bolts are screwed on the first air tightness detection hole and the second air tightness detection hole, a first opening is formed in the top of the outer box body, the outer box cover plate is detachably connected with the first opening, a first waterproof sealing adhesive tape is arranged between the outer box cover plate and the first opening, a second opening is formed in the top of the inner box body, the inner box cover plate is detachably connected with the second opening, and a second waterproof sealing adhesive tape is arranged between the inner box cover plate and the second opening.

The ip68 protection-grade battery box is characterized in that an outer box hanging lug is arranged on the inner wall of the outer box body, an inner box hanging lug is arranged on the outer wall of the inner box body, and the outer box hanging lug is detachably connected with the inner box hanging lug.

The battery box of ip68 protection level, its characterized in that first waterproof sealing adhesive tape is the foaming silica gel strip.

The battery box with the ip68 protection grade is characterized in that the first opening of the outer box body, the first waterproof sealing rubber strip and the outer box cover plate are connected in a matched mode through a first connecting assembly, the first connecting assembly comprises a plurality of first steel sleeves arranged at the edge of the first opening in a ring mode and a first bolt arranged on the edge of the outer box cover plate, the first waterproof sealing rubber strip and the first opening in a penetrating mode, and the first bolt is in threaded connection with the first steel sleeves to clamp the outer box cover plate, the first waterproof sealing rubber strip and the first opening edge tightly.

The battery box of ip68 protection grade, its characterized in that the second joint sealing waterproof stripe is the foaming silica gel strip.

The battery box of ip68 protection level, its characterized in that the second opening of interior box, second joint sealing waterproof stripe and interior case apron between through the second coupling assembling cooperation that sets up connect, second coupling assembling includes that a plurality of rings locate the second steel bushing at second opening border and wear to locate the second bolt at interior case apron, second joint sealing waterproof stripe and second opening border, the second bolt and second steel bushing spiro union to press from both sides tight interior case apron, second joint sealing waterproof stripe and second opening border.

The battery box with the ip68 protection grade is characterized in that the outer box body is provided with a first plug connector with the protection grade at least being ip68, and the inner box body is provided with a second plug connector with the protection grade at least being ip 67.

Compared with the prior art, the utility model has the beneficial effects that:

1) the utility model adopts a double box structure of the inner box and the outer box to enhance the waterproof effect;

2) according to the utility model, the inner box body and the outer box body are both provided with the air tightness detection holes, and the air tightness of the box body is detected through the air tightness detection holes, so that the protection grade is improved;

3) according to the utility model, the waterproof sealing rubber strip is arranged between the box body and the corresponding box cover, and the waterproof sealing effect of the waterproof sealing rubber strip is enhanced through the connection of the bolt and the steel sleeve.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an exploded view of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

The utility model will be further explained with reference to the drawings.

As shown in fig. 1-3, an ip68 protection-level battery box includes an outer box 1 and an inner box 2 disposed in the outer box 1, the inner box 2 is used for installing important components such as a battery and an electrical board, the outer box 1 is provided with a first air tightness detection hole 100, the inner box 2 is provided with a second air tightness detection hole 200, the first air tightness detection hole 10 and the second air tightness detection hole 200 are both screwed with a plugging bolt, the top of the outer box 1 is provided with a first opening, the first opening is detachably connected with an outer box cover plate 3, a first waterproof sealing strip 4 is disposed between the outer box cover plate 3 and the first opening, the top of the inner box 2 is provided with a second opening, the second opening is detachably connected with an inner box cover plate 5, and a second waterproof sealing strip 6 is disposed between the inner box cover plate 5 and the second opening. Wherein, the outer box body 1 and the inner box body 2 are all welded by full welding.

Continuing to refer to fig. 2, the inner wall of the outer box body 1 is provided with an outer box hanging lug 7, the outer wall of the inner box body 2 is provided with an inner box hanging lug 8, and the outer box hanging lug 7 is detachably connected with the inner box hanging lug 8. Specifically, the inner box hangers 8 are supported at the upper ends of the outer box hangers 7 and are connected through waterproof bolts.

Further, the first waterproof sealing strip 4 is a foamed silica gel strip. Continuing to refer to fig. 1, the first opening of the outer box body 1, the first waterproof sealing strip 4 and the outer box cover plate 3 are connected in a matching manner through a first connecting assembly, the first connecting assembly comprises a plurality of first steel sleeves 9 annularly arranged at the edge of the first opening and a first bolt 10 penetrating through the outer box cover plate 3, the first waterproof sealing strip 4 and the edge of the first opening, the first steel sleeves 9 are embedded at the bottom of the edge of the first opening, and the first bolt 10 is in threaded connection with the first steel sleeves 9 so as to clamp the outer box cover plate 3, the first waterproof sealing strip 4 and the edge of the first opening tightly.

Further, the second waterproof sealing strip 6 is also a foamed silica gel strip. Continuing to refer to fig. 1, the second opening of the inner box body 2, the second waterproof sealing strip 6 and the inner box cover plate 5 are connected in a matched manner through a second connecting assembly, the second connecting assembly comprises a plurality of second steel sleeves 11 annularly arranged at the edge of the second opening and second bolts 12 penetrating through the inner box cover plate 5, the second waterproof sealing strip 6 and the edge of the second opening, the second steel sleeves 11 are embedded at the bottom of the edge of the second opening, and the second bolts 12 are in threaded connection with the second steel sleeves 11 to clamp the inner box cover plate 5, the second waterproof sealing strip 6 and the edge of the second opening tightly.

In the above structure, the first bolt 10 and the second bolt 12 are preferably flange bolts, and the connection between the first bolt 10 and the first steel sleeve 9 and the connection between the second bolt 12 and the second steel sleeve 11 can ensure that the compression amount of the foaming silica gel strip is uniform when the foaming silica gel strip is fastened, and can reach fifty percent of compression amount.

With reference to fig. 1, the outer box 1 is provided with a first plug 13 with a protection grade at least ip68, and the inner box 2 is provided with a second plug 14 with a protection grade at least ip 67. And the first plug connector 13 and the second plug connector 14 are installed on the corresponding box body through waterproof bolts.

Interior box 2 utilizes second gas tightness inspection hole 200 to carry out the gas tightness after the installation is accomplished and detects, adopt the shutoff bolt to carry out the shutoff to the gas tightness inspection hole after qualified, specifically adopt the flange bolt of taking the anaerobic adhesive to add the gasket and fasten, then assemble fixedly with interior box 2 and outer box 1, the connector of interior box 2 and outer box 1 carries out the pencil switching, adorn outer box 1 with outer box apron 3 on, later detect the gas tightness of outer box 1 through first gas tightness inspection hole 100, carry out the shutoff to first gas tightness inspection hole 100 after qualified, the shutoff mode is the same with second gas tightness inspection hole 200.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An ip68 protection-grade battery box is characterized by comprising an outer box body (1) and an inner box body (2) arranged in the outer box body (1), the inner box body (2) is used for installing a battery, the outer box body (1) is provided with a first air tightness detection hole (100), a second air tightness detection hole (200) is formed in the inner box body (2), plugging bolts are screwed on the first air tightness detection hole (100) and the second air tightness detection hole (200), the top of the outer box body (1) is provided with a first opening which is detachably connected with an outer box cover plate (3), a first waterproof sealing rubber strip (4) is arranged between the outer box cover plate (3) and the first opening, the top of the inner box body (2) is provided with a second opening which is detachably connected with an inner box cover plate (5), and a second waterproof sealing rubber strip (6) is arranged between the inner box cover plate (5) and the second opening.

2. An ip68 protection-grade battery box according to claim 1, characterized in that an outer box hanging lug (7) is arranged on the inner wall of the outer box body (1), an inner box hanging lug (8) is arranged on the outer wall of the inner box body (2), and the outer box hanging lug (7) is detachably connected with the inner box hanging lug (8).

3. An ip68 protection grade battery box according to claim 1, wherein the first waterproof sealing strip (4) is a foamed silicone strip.

4. The ip68 protection-grade battery box according to claim 3, wherein the first opening of the outer box (1), the first waterproof sealing strip (4) and the outer box cover plate (3) are connected in a matched manner through a first connecting assembly, the first connecting assembly comprises a plurality of first steel sleeves (9) annularly arranged at the edge of the first opening and a first bolt (10) arranged on the edge of the outer box cover plate (3), the first waterproof sealing strip (4) and the first opening in a penetrating manner, and the first bolt (10) is in threaded connection with the first steel sleeves (9) to clamp the outer box cover plate (3), the first waterproof sealing strip (4) and the edge of the first opening tightly.

5. An ip68 protection grade battery box according to claim 1, wherein the second waterproof sealing strip (6) is a foamed silicone strip.

6. An ip68 protection-grade battery box according to claim 5, characterized in that the second opening of the inner box body (2), the second waterproof sealing strip (6) and the inner box cover plate (5) are connected in a matching manner through a second connecting assembly, the second connecting assembly comprises a plurality of second steel sleeves (11) annularly arranged at the edge of the second opening and second bolts (12) arranged at the edge of the inner box cover plate (5), the second waterproof sealing strip (6) and the second opening, and the second bolts (12) are in threaded connection with the second steel sleeves (11) to clamp the inner box cover plate (5), the second waterproof sealing strip (6) and the second opening edge tightly.

7. An ip68 protection class battery box according to any one of claims 1-6, wherein the outer box (1) is provided with a first plug (13) with a protection class of at least ip68, and the inner box (2) is provided with a second plug (14) with a protection class of at least ip 67.