CN213601933U

CN213601933U - Waterproof fast-assembling battery case

Info

Publication number: CN213601933U
Application number: CN202021905841.4U
Authority: CN
Inventors: 杨和山; 杨和平; 陈湘彪; 张瑞
Original assignee: Dongguan General Exploring Battery Technology Co ltd; Fujian Zhige New Energy Battery Technology Co ltd
Current assignee: Dongguan General Exploring Battery Technology Co ltd; Fujian Zhige New Energy Battery Technology Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-07-02
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a waterproof fast-assembling battery box, which comprises a first shell and a second shell, wherein the first shell and the second shell are sealed and fixed by an interference fit mode or a buckle mode to form a sealed shell, a hollow first cavity is arranged in the sealed shell, and a battery pack is fixed in the first cavity; when the sealing and fixing are carried out in an interference fit mode or a buckling mode, the sealing and fixing parts are all positioned in the shell wall of the sealing shell. The waterproof quick-mounting battery box is mounted without adopting a screw locking mode, so that the mounting efficiency is high, the quick automatic production can be realized, and the production efficiency is improved by more than one time; moreover, when adopting interference fit mode or buckle mode sealing fixation, sealed fixed department all is located sealed casing's conch wall is in order not to influence the waterproof layer inside and outside space size for this waterproof fast-assembling battery case application scope is wider.

Description

Waterproof fast-assembling battery case

Technical Field

The utility model relates to a technical field of battery, in particular to waterproof fast-assembling battery case.

Background

Light-duty power battery packs may be waded during use and therefore need to be waterproof during production. In a common waterproof scheme, an upper cover and a lower cover are tightly pressed through bolts, so that a matched rubber O-shaped ring is deformed, sealing and waterproofing are realized, and water leakage caused by poor lap joint of the O-shaped ring is easy to occur in the scheme; the improved scheme is that single-component silicon rubber is adopted to hit the sealing groove, and then the sealing grooves of the upper cover and the lower cover are tightly pressed through screws, so that the waterproof structure is waterproof, the efficiency of the scheme is low, and the structure is fixed by adopting a locking bolt mode, so that the glue overflow of the single-component silicon rubber is easily generated.

Therefore, we propose a waterproof quick-mounting battery box.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a waterproof fast-assembling battery case, has that waterproof performance is good, advantage that production efficiency is high.

In order to achieve the above object, the utility model provides a waterproof fast-assembling battery box, which comprises a first shell and a second shell, wherein the first shell and the second shell are sealed and fixed by an interference fit mode or a buckle mode to form a sealed shell, a hollow first cavity is arranged inside the sealed shell, and a battery pack is fixed in the first cavity; when the sealing and fixing are carried out in an interference fit mode or a buckling mode, the sealing and fixing positions are located in the shell wall of the sealing shell.

Preferably, the waterproof fast-assembling battery case still include the glue sealing member, the glue sealing member is filled between first casing and the second casing.

Preferably, when the sealing and fixing are performed in an interference fit manner, a first rib extends outwards from the contact surface of the first shell close to the second shell, and a first groove is formed in the contact surface of the second shell close to the first shell; when the installation, the first rib is inserted into the first groove.

Preferably, the first rib is continuously disposed around the first housing contact surface, and the first groove is continuously disposed around the second housing contact surface; the first rib is located between an inner housing wall of the first housing and an outer housing wall of the first housing, and the first groove is located between an inner housing wall of the second housing and an outer housing wall of the second housing.

Preferably, the glue seal is located between the first groove and the rib.

Preferably, a positioning concave hole is further formed in the first groove, a convex column extends from the convex edge, and the convex column is installed in the concave hole in an interference fit mode.

Preferably, when the sealing and fixing are carried out in a buckling mode, a second convex edge extends outwards from the contact surface of the first shell close to the second shell, and a second groove is formed in the contact surface of the second shell close to the first shell; when the installation is carried out, the second rib is inserted into the second groove.

Preferably, a fastening piece extends outwards from the second convex edge, a fastening hole is formed in the fastening piece, a third groove is formed in the inner side face of the second shell, and a positioning fastener extends outwards from the third groove; the buckling piece corresponds to the third groove in position, the buckling piece is pushed into the third groove, and the positioning buckle is clamped in the buckling hole from the side face.

Preferably, the fastener is located between an inner wall of the first housing and an outer wall of the first housing, and the positioning fastener is located between an inner wall of the second housing and an outer wall of the second housing.

Preferably, the glue sealing element is located between the positioning buckle and the buckle element.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a waterproof fast-assembling battery case, sealed fixed through interference fit or buckle mode by first casing and second casing, do not adopt the mode of locking the screw to install, the installation effectiveness is high, can realize quick automated production, improves production efficiency more than one time; moreover, when the waterproof quick-mounting battery box is sealed and fixed in an interference fit mode or a buckling mode, the sealing and fixing positions are all located in the shell wall of the sealing shell, so that the size of the space inside and outside the sealing shell is not influenced, the universality is better, and the application range of the waterproof quick-mounting battery box is wider; and the waterproof quick-mounting battery box has good waterproof performance and can meet the requirement of IPX-7 level waterproof.

Drawings

Fig. 1 is an exploded view of a waterproof quick-mounting battery pack according to a first embodiment of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Fig. 4 is an exploded view of a waterproof quick-mounting battery pack according to a second embodiment of the present invention.

Fig. 5 is an enlarged view of a portion C in fig. 4.

Fig. 6 is an enlarged view of a portion D in fig. 4.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The utility model provides a waterproof fast-assembling battery case (100, 200), including first casing (11, 21), second casing (12, 22), first casing (11, 21) and second casing (12, 22) are sealed fixed through interference fit mode or buckle mode and are constituted a seal housing (10, 20), and wherein, first casing (11, 21) and second casing (12, 22) can be for controlling direction lock mode or upper and lower lock mode. The interior of the sealed shell (10, 20) is a hollow first cavity (13, 23), and a battery pack (not shown) is fixed in the first cavity (13, 23); when the sealing and fixing are carried out in an interference fit mode or a buckling mode, the sealing and fixing positions are located in the shell walls of the sealing shells (10, 20). Adopt interference fit mode or buckle mode sealed fixed, do not adopt screw locking installation, can realize quick installation, improve the installation effectiveness, and can realize waterproof function.

Furthermore, the waterproof quick-mounting battery box (100, 200) further comprises a glue sealing member (not shown), and the glue sealing member is filled between the first casing (11, 21) and the second casing (12, 22). Through the setting of this glue sealing member for water-proof effects is better.

The utility model discloses a sealed fixed mode of waterproof fast-assembling battery case (100, 200) has two kinds: interference fit is fixed, the buckle mode is fixed, introduces below two kinds of modes respectively.

Fig. 1-4 are different visual views of a waterproof quick-assembly battery case 100 according to a first embodiment of the present invention, the waterproof quick-assembly battery case 100 is sealed and fixed by interference fit, and the structure of the waterproof quick-assembly battery case 100 is described in detail with reference to fig. 1-4:

referring to fig. 1-4, when the waterproof quick-mounting battery box 100 is fixed in an interference fit manner, a first rib 111 extends outwards from a contact surface of the first casing 11 close to the second casing 12, and a first groove 121 is formed in a contact surface of the second casing 12 close to the first casing 11; when installed, the first rib 111 is inserted into the first groove 121. The first groove 121 may be disposed at a position of a contact surface portion of the second housing 12, or the first groove 121 surrounds a circle, and the position of the first protrusion 111 corresponds to the position of the first groove 121.

Preferably, the first rib 111 is continuously disposed around the contact surface of the first housing 11, and the first groove 121 is continuously disposed around the contact surface of the second housing 12; the first rib 111 is located between an inner wall of the first housing 11 and an outer wall of the first housing 11, and the first groove 121 is located between an inner wall of the second housing 12 and an outer wall of the second housing 12. The buckling structure does not protrude out of the shell wall of the sealed shell, the size of the inner space and the outer space of the sealed shell is not influenced, and the universality is better. And the first convex ridge 111 and the first groove 121 at the continuous column position are matched and fixed, so that the sealing effect is better.

Furthermore, a positioning concave hole 121a is further formed in the first groove 121, a convex column 111a extends from the first convex rib 111, and the convex column 111a is installed in the positioning concave hole 121a in an interference fit manner.

The glue seal of this embodiment is located between the first groove 121 and the first rib 111, and is a single-component silicone rubber. In the production process, firstly, a glue-spraying machine is adopted to squeeze a proper amount of single-component rubber sealant into the first groove 121, then the second shell 12 and the first shell 11 are covered, so that the first convex edge 111 is inserted into the first groove 121, the convex column 111a is in interference fit into the positioning concave hole 121a, the sealing of the sealed shell is realized, and the groove is sealed by adding a glue sealing element, so that the waterproof effect of the waterproof quick-assembly battery box 100 is better.

Fig. 4-6 are different visual views of a waterproof quick-assembly battery case 200 according to a second embodiment of the present invention, the waterproof quick-assembly battery case 200 is fixed by a snap-fit, and the structure of the waterproof quick-assembly battery case 200 is described in detail with reference to fig. 4-6:

referring to fig. 4-6, when the quick-mounting waterproof battery box 200 is sealed and fixed by a snap-fit manner, a second rib 211 extends outwardly from a contact surface of the first casing 21 adjacent to the second casing 22, and a second groove 221 is formed in a contact surface of the second casing 22 adjacent to the first casing 21; when installed, second rib 211 is inserted into second groove 221. Preferably, the second rib 211 is continuously disposed around the contact surface of the first housing 21, and the second groove 221 is continuously disposed around the contact surface of the second housing 22; the position of the second rib 211 corresponds to the position of the second groove 221.

Furthermore, the second rib 211 extends outward to form a locking element 212, a locking hole 212a is formed in the locking element 212, a third groove 222 is formed in the inner side surface of the second housing 22, and a positioning locking element 222a extends outward from the third groove 222; the position of the locking element 212 corresponds to the position of the third groove 222, the locking element 212 is pushed into the third groove 222, and the positioning lock 222a is laterally locked in the locking hole 212 a.

The second groove 221 may have a double-sided wall height, so that the glue does not flow into the third groove 222; the second groove 221 may also be a single side with no wall height, and the glue may naturally flow to the third groove 222.

Specifically, the fastening element 212 is located between an inner wall of the first housing 21 and an outer wall of the first housing 21, the positioning fastener 222a is located between an inner wall of the second housing 22 and an outer wall of the second housing 22, and the fastening structure does not protrude out of the inner wall of the sealed housing, so that the size of the inner space and the outer space of the sealed housing is not affected, and the universality is better.

Preferably, the positioning fastener 222a is a right trapezoid, the width of the positioning fastener 222a is gradually increased from top to bottom, and at this time, the positioning fastener 222a and the fastening hole 212a form a dead fastener, which is inconvenient to detach after installation, thereby increasing the fastening strength. Moreover, or the positioning fastener 222a is hemispherical, the positioning fastener 222a and the fastening hole 212a can also form a movable fastener, which is convenient to detach.

The glue sealing member of the present embodiment is located between the positioning fastener 222a and the fastening member 212, and is a single-component silicone rubber. In the production process, firstly, a proper amount of single-component rubber sealant is injected into the second groove 221 by a glue injector, then the second shell 22 is covered with the first shell 21, the fastener 212 slides along the inclined surface of the positioning fastener 222a, when the fastener 212 slides to the lowest edge of the positioning fastener 222a, the positioning fastener 222a is pushed into the fastener hole 212a from the side surface, and the fastener 212 is fixed in the second groove 221, so that the sealing of the sealed shell is realized.

The embodiment of the utility model provides an in one embodiment waterproof fast-assembling battery case (100, 200) adopt interference fit to seal fixedly, or adopt buckle mode to seal fixedly. However, the structure of the embodiment is not limited, the waterproof quick-mounting battery box (100, 200) may adopt an inner-outer double-layer waterproof structure, the double-layer waterproof structure is hermetically fixed by interference fit, or the double-layer waterproof structure is hermetically fixed by a buckle, or one layer of the double-layer waterproof structure is hermetically fixed by interference fit and the other layer is hermetically fixed by a buckle.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a waterproof fast-assembling battery case (100, 200), including first casing (11, 21), second casing (12, 22), first casing (11, 21) and second casing (12, 22) are sealed fixed through interference fit mode or buckle mode and are constituted a sealed casing (10, 20), sealed casing (10, 20) inside is hollow first cavity (13, 23), the group battery is fixed in first cavity (13, 23); when the sealing and fixing are carried out in an interference fit mode or a buckling mode, the sealing and fixing positions are located in the shell walls of the sealing shells (10, 20). The waterproof quick-mounting battery boxes (100, 200) are not mounted in a screw locking mode, so that the mounting efficiency is high, the quick automatic production can be realized, and the production efficiency is improved by more than one time; moreover, when the battery box is sealed and fixed in an interference fit mode or a buckling mode, the sealed and fixed parts are all positioned in the wall of the sealed shell, so that the size of the inner space and the outer space of the waterproof layer is not influenced, and the application range of the waterproof quick-assembly battery box (100, 200) is wider; and the waterproof quick-mounting battery boxes (100, 200) have good waterproof performance and can meet the IPX-7 level waterproof requirement.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A waterproof fast-assembly battery box is characterized by comprising a first shell and a second shell, wherein the first shell and the second shell are sealed and fixed in an interference fit mode or a buckling mode to form a sealed shell, a hollow first cavity is arranged in the sealed shell, and a battery pack is fixed in the first cavity; when the sealing and fixing are carried out in an interference fit mode or a buckling mode, the sealing and fixing positions are located in the shell wall of the sealing shell.

2. The waterproof quick-fit battery pack according to claim 1, further comprising a glue seal filled between said first housing and said second housing.

3. The waterproof quick-assembly battery box as claimed in claim 2, wherein when sealed and fixed in an interference fit manner, a first rib extends outwardly from a contact surface of the first casing adjacent to the second casing, and a first groove is formed in a contact surface of the second casing adjacent to the first casing; when the installation, the first rib is inserted into the first groove.

4. The waterproof quick-fit battery pack according to claim 3 wherein said first rib is disposed continuously around said first housing contact surface and said first groove is disposed continuously around said second housing contact surface; the first rib is located between an inner housing wall of the first housing and an outer housing wall of the first housing, and the first groove is located between an inner housing wall of the second housing and an outer housing wall of the second housing.

5. The waterproof quick-fit battery pack of claim 3 wherein said glue seal is located between said first groove and said rib.

6. The waterproof quick-mounting battery box as claimed in claim 3, wherein a positioning cavity is further formed in the first groove, and a protruding post extends from the protruding rib and is installed in the cavity in an interference fit manner.

7. The waterproof quick-mounting battery box as claimed in claim 2, wherein when the battery box is sealed and fixed by a snap-fit manner, a second rib extends outwards from the contact surface of the first casing close to the second casing, and a second groove is formed in the contact surface of the second casing close to the first casing; when the installation is carried out, the second rib is inserted into the second groove.

8. The waterproof quick-mounting battery box as claimed in claim 7, wherein the second rib extends outwardly to form a snap-fit member having a snap-fit hole therein, the second case has a third groove formed in an inner side surface thereof, and the third groove extends outwardly to form a positioning snap-fit; the buckling piece corresponds to the third groove in position, the buckling piece is pushed into the third groove, and the positioning buckle is clamped in the buckling hole from the side face.

9. The waterproof quick-fit battery pack as claimed in claim 8, wherein said snaps are positioned between the inner housing wall of said first housing and the outer housing wall of said first housing, and said detents are positioned between the inner housing wall of said second housing and the outer housing wall of said second housing.

10. The waterproof quick-fit battery pack as claimed in claim 8, wherein said glue seal is located between said retention clip and said clip.