CN211404596U

CN211404596U - High-reliability battery box with replaceable battery

Info

Publication number: CN211404596U
Application number: CN202020339424.1U
Authority: CN
Inventors: 王光法
Original assignee: Zhejiang Huayu Technology Co ltd
Current assignee: Zhejiang Huayu Technology Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-09-01
Anticipated expiration: 2030-03-18

Abstract

The utility model belongs to the technical field of the battery case, a removable battery high reliability battery case is related to. The problem that it was solved is how to improve the structural strength and the durability of battery case and conveniently dismantle the cang gai to and reduce contact resistance and promote reliable and stable nature. It includes battery compartment and connecting seat, the battery compartment includes the lower cover, upper cover and vice lid, the lower cover includes storehouse portion and lower storehouse portion, the upper cover is connected in last storehouse portion, vice lid is connected in lower storehouse portion, seted up when the recess on the upper cover downside, be equipped with bellied lug on the cell wall of recess, the dysmorphism groove has been seted up to vice side of covering, the dysmorphism inslot is equipped with the dog, the dog supports to lean on restriction upper cover towards lower storehouse portion direction motion upper cover outer edge evenly distributed has the fixture block, be equipped with on the upper storehouse portion with fixture block assorted draw-in groove, the upper cover still is equipped with the strengthening rib with the block position of upper storehouse portion through draw-in groove and fixture block joint radial fixation and at the block position of upper storehouse. The battery compartment lock adopts upper cover push-in formula, and is even when dismouting, change the battery not harm the buckle, and is very convenient, dismantles the unrestricted number of times.

Description

High-reliability battery box with replaceable battery

Technical Field

The utility model belongs to the technical field of the battery case, a battery case is related to, in particular to removable battery high reliability battery case.

Background

The battery box is used as an electrical connection component between a power supply and an electrical appliance, and is widely applied to devices requiring electrical and signal connection, such as a meter, an intelligent device, a small household appliance and the like. The battery box generally includes a battery compartment (including an upper cover, a lower cover, and an auxiliary cover) for accommodating and protecting the battery, electrode tabs led out from the positive and negative electrodes of the battery, a connecting seat inserted into the connecting seat, and a connecting seat fixed on the PCB. The existing battery box has the following problems: 1. the battery compartment is upper and lower lock mode usually, interferes the buckle because of inside battery when changing the battery, and extremely difficult dismantlement, and the buckle is easy to be split when dismantling for the battery compartment can't be buckled again after the battery of renewal, must change the battery compartment of renewal, and extravagant very big. 2. The upper cover and the lower cover of the battery compartment are mutually buckled and are usually designed on the outer side of the compartment wall, no reinforcing rib is designed on the inner side of the compartment wall, after buckling, the gap is large, the strength is not high, particularly, when the battery compartment is influenced by transportation vibration or other external forces or after long-term use, the reliability of materials is reduced, in addition, the buckling position has design defects, the strength is not enough, the risk of sliding buckling exists, and the equipment failure is directly caused or other elements in the equipment are damaged after the battery is separated. 3. The battery cathode and the cathode terminal are usually directly connected by a spring, the contact part of the spring and the battery is irregular and uneven and is point contact, the impedance is high, the electric connection reliability is poor, and particularly when the battery is influenced by transportation vibration or other external forces, the battery has an open circuit risk, and equipment failure or other serious consequences is directly caused. 4. The positive plate in the battery compartment is usually directly exposed on the compartment wall in a large area and directly contacted with the side surface of the battery, and if the insulating layer on the surface of the battery is incomplete, the battery is likely to be short-circuited and damaged in the battery compartment. Therefore, the problem of solving the above existing problem is that we are not ready to deal with things at present.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a removable battery high reliability battery case. The technical problem that it was solved is how to improve the structural strength and the durability of battery case and conveniently dismantle the storehouse lid to and reduce contact resistance and promote reliable and stable nature.

In order to realize the purpose, the utility model adopts the technical scheme that:

a high-reliability battery box with replaceable batteries comprises a battery compartment and a connecting seat connected to the lower end of the battery compartment, wherein the battery compartment comprises a lower cover, an upper cover and an auxiliary cover, the lower cover comprises an upper compartment part and a lower compartment part, the upper cover is connected to the upper compartment part, and the auxiliary cover is connected to the lower compartment part, and is characterized in that a groove which enables the upper end part of the auxiliary cover to extend into the upper cover when the upper cover moves towards the lower compartment part is arranged on the lower side surface of the upper cover, a raised bump is arranged on the groove wall of the groove, a T-shaped special-shaped groove is arranged on the upper side surface of the auxiliary cover, a T-shaped stop block is arranged in the special-shaped groove, the stop block and the bump are abutted against and limited to move towards the lower compartment part direction, and the abutting trend between the stop block and the bump can be relieved by pressing the stop block downwards, clamping blocks are uniformly distributed at the outer edge of the upper cover, the upper cover and the upper bin part are radially fixed through clamping grooves and clamping blocks in a clamping mode, and reinforcing ribs are further arranged at the clamping position of the upper bin part.

The battery compartment is buckled by adopting an upper cover push-in type, and the elastic strip of the auxiliary cover is automatically locked. The buckle does not interfere with the battery during buckling, the buckle is uniformly and not damaged during the disassembly and the replacement of the battery, and the auxiliary cover stop block is only slightly pressed during the disassembly, the battery bin upper cover is synchronously withdrawn, so that the buckling type battery bin is very convenient and the disassembly times are not limited. The upper cover buckle and the lower cover buckle of the battery compartment in the product are uniformly designed on the inner side of the compartment wall, and the reinforcing ribs are additionally arranged at the joints, so that the strength of the battery compartment after being buckled is ensured. Further, since the mark of the snap is not visible in the appearance, it is more preferable aesthetically, and there is no risk as described above.

In foretell removable battery high reliability battery case, the draw-in groove is the L type, the fixture block also is the L type, the fixture block can stretch into in the draw-in groove and relative its distance to the slip fixture block length of maximum groove width place limit, draw-in groove notch department has still seted up the direction breach that makes things convenient for the fixture block card to go into or take out.

In the battery box with the replaceable battery and high reliability, the top wall of the inner cavity of the upper bin part is provided with the positive terminal, the bottom wall of the inner cavity of the upper bin part is provided with the negative terminal, the negative terminal comprises the elastic sheet and the spring, and the spring is arranged between the top wall and the bottom wall of the elastic sheet.

The negative pole of the battery is connected with the negative pole terminal by the copper combined type elastic sheet, the surface of the elastic sheet is smooth, the contact area is large, and the impedance of copper is lower than that of stainless steel. The elastic force of the elastic sheet and the additional elastic force of the spring increase the contact pressure, further reduce the impedance, and make the contact stable and reliable without the above mentioned risks.

In the battery box with the replaceable battery and high reliability, the side wall of the inner cavity of the upper bin part is provided with a boss, and the positive terminal is guided to the lower end of the battery bin along the boss.

The positive plate is arranged in the lug boss at the side of the battery compartment and is generally not contacted with the side surface of the battery, so that short circuit cannot be formed in the battery compartment, and the risk is avoided.

In the above battery box with replaceable battery and high reliability, the connecting seat is internally provided with the positive cage spring and the negative cage spring, the positive round terminal is inserted into the positive cage spring, and the negative round terminal is inserted into the negative cage spring.

The terminals led out from the positive and negative electrodes of the battery in the battery compartment are inserted into the cage spring in the connecting seat, which belongs to multi-point contact and has stable and reliable electric connection.

In the battery box with the replaceable battery and high reliability, the outer side surface of the upper cover is also provided with concave and convex grooves matched with fingerprints of a human hand.

The furrows on the surface of the upper cover of the battery compartment can increase the touch feeling of fingers of a person and increase the friction force, so that the battery can be replaced more conveniently.

In the battery box with replaceable batteries and high reliability, the outer side surface of the stop block is also provided with a mark for people to recognize pressing.

Characters engraved on the auxiliary cover of the battery compartment visually express the part to be operated when the battery is replaced, so that the battery is more convenient and faster to replace.

In the battery box with replaceable battery and high reliability, the outer surfaces of the upper cover and the lower cover are also provided with dotted bulges.

Battery compartment upper cover and lower cover surface are equipped with numb point formula sense of touch line, are equipped with bar sense of touch line on the vice lid bullet strip, and the dismouting more accords with human engineering, increases maneuverability.

In the battery box with the replaceable battery and high reliability, the auxiliary cover is further provided with a mark for warning a user to distinguish the anode and the cathode.

The battery compartment upper cover and the lower cover side are provided with alignment marks, the upper cover surface is provided with a dismounting direction prompting arrow, a user can be guided very visually, and operability is improved.

The utility model has the advantages that:

1. the battery compartment lock adopts upper cover push-in formula, and vice lid bullet strip automatic locking is dead, and is not interfered with the battery during the lock, and the even not damage buckle in dismouting, change battery, and only need gently press vice lid dog during the dismantlement, withdraw from the battery compartment upper cover in step, and is very convenient, dismantles the number of times unrestricted.

2. The upper cover buckle and the lower cover buckle of the battery compartment in the product are uniformly designed on the inner side of the compartment wall, and the reinforcing ribs are additionally arranged at the joints, so that the strength of the battery compartment after being buckled is ensured.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a partial sectional view of the present invention;

fig. 3 is a part diagram of the upper cover of the present invention.

1. A battery compartment; 2. a connecting seat; 21. a positive cage spring; 22. a negative cage spring; 3. a lower cover; 31. a bin loading part; 32. a lower bin portion; 33. a card slot; 34. reinforcing ribs; 35. a guide notch; 36. a boss; 4. an upper cover; 41. a groove; 42. a bump; 43. a clamping block; 44. grooving; 5. a secondary cover; 51. a special-shaped groove; 52. a stopper; 53. identifying; 54. marking; 6. a positive terminal; 7. a negative terminal; 71. a spring plate; 72. a spring; 73. a negative circular terminal; 74. a positive plate; 75. and a positive circular terminal.

Detailed Description

As shown in FIG. 1, a battery box with replaceable battery and high reliability, comprising a battery compartment 1 and a connecting seat 2 connected to the lower end of the battery compartment 1, the battery compartment 1 comprises a lower cover 3, an upper cover 4 and an auxiliary cover 5, the lower cover 3 comprises an upper compartment portion 31 and a lower compartment portion 32, the upper cover 4 is connected to the upper compartment portion 31, the auxiliary cover 5 is connected to the lower compartment portion 32, characterized in that, a groove 41 is provided on the lower side surface of the upper cover 4 for enabling the upper end portion of the auxiliary cover 5 to extend into the upper cover 4 when the upper cover 4 moves towards the lower compartment portion 32, a protruding bump 42 is provided on the groove wall of the groove 41, a T-shaped irregular groove 51 is provided on the upper side surface of the auxiliary cover 5, a T-shaped stopper 52 is provided in the irregular groove 51, the stopper 52 is provided in the T-shaped groove 52, the stopper 52 abuts against the bump 42 to limit the upper cover 4 to move towards the lower compartment portion 32 and the stopper 52 can be released from the abutting trend between the stopper 52 and, the upper chamber portion 31 is provided with a slot 33 matching with the block 43, the upper cover 4 and the upper chamber portion 31 are radially fixed through the slot 33 and the block 43, and a reinforcing rib 34 is further arranged at the engaging position of the upper chamber portion 31. The battery cabin 1 is buckled by adopting an upper cover 4 to push, and an elastic strip of an auxiliary cover 5 is automatically locked. The buckle does not interfere with the battery during buckling, the buckle is uniformly and not damaged during the disassembly and the replacement of the battery, the auxiliary cover 5 stop block 52 is only slightly pressed during the disassembly, the upper cover 4 of the battery bin 1 is synchronously withdrawn, the buckling structure is very convenient and the disassembly frequency is not limited. The buckle of the upper cover 3 and the buckle of the lower cover 3 of the battery compartment 1 in the product are uniformly designed on the inner side of the compartment wall, and the reinforcing ribs 34 are additionally arranged at the seams, so that the strength of the battery compartment 1 after being buckled is ensured. In addition, the mark of the snap is not visible in the appearance, so that the snap is more preferable aesthetically and has no risk.

Preferably, the slot 33 is L-shaped, the latch 43 is also L-shaped, the latch 43 can extend into the slot 33 and slide relative to the edge of the maximum slot width by the length of the latch 43, and the slot of the slot 33 is further provided with a guide notch 35 for facilitating the latch 43 to be latched or taken out.

Preferably, the top wall of the inner cavity of the upper chamber portion 31 is provided with a positive terminal 6, the bottom wall of the inner cavity of the upper chamber portion 31 is provided with a negative terminal 7, the negative terminal 7 comprises an elastic sheet 71 with elasticity and a spring 72, and the spring 72 is arranged between the top wall and the bottom wall of the elastic sheet 71. The negative pole of the battery is connected with the negative pole terminal 7 by a copper combined elastic sheet 71, the surface of the elastic sheet 71 is flat, the contact area is large, and the impedance of copper is lower than that of stainless steel. The elastic force of the elastic sheet 71 and the additional elastic force of the spring 72 increase the contact pressure, further reduce the resistance, and make the contact stable and reliable without the above risks.

Preferably, a boss 36 is disposed on the sidewall of the inner cavity of the upper compartment portion 31, and the positive terminal 6 is guided to the lower end of the battery compartment 1 along the boss. The positive plate is arranged in the lateral boss 36 of the battery compartment 1, is generally not contacted with the lateral surface of the battery, and does not form a short circuit in the battery compartment 1, thereby having no risk.

Preferably, the connecting socket 2 is provided with a positive cage spring 21 and a negative cage spring 22, the positive round terminal 75 is inserted into the positive cage spring 21, and the negative round terminal 73 is inserted into the negative cage spring 22. The terminals led out from the positive and negative electrodes of the battery in the battery compartment 1 are inserted into the cage spring in the connecting seat, which belongs to multi-point contact and has stable and reliable electric connection.

Preferably, the outer side surface of the upper cover 4 is also provided with concave and convex grooves 44 matching with fingerprints of human hands. The grooves 44 on the surface of the upper cover 4 of the battery compartment 1 can increase the touch feeling of fingers of a person and increase friction force, so that the battery can be replaced more conveniently.

Preferably, the outer side surface of the stopper 52 is further provided with a mark 53 for a person to recognize the pressing. Characters engraved on the auxiliary cover 5 of the battery compartment 1 visually express the part to be operated when the battery is replaced, so that the battery is more convenient to replace.

Preferably, the outer surfaces of the upper cover 4 and the lower cover 3 are also provided with pockmark type protrusions. Battery compartment 1

upper cover

4 and 3 surfaces of lower cover are equipped with pockmark formula sense of touch line, are equipped with bar sense of touch line on the 5 bullet strips of vice lid, and the dismouting more accords with human engineering, increases maneuverability.

Preferably, the auxiliary cover 5 is further provided with a mark 54 for warning a user to distinguish the anode from the cathode. The side surfaces of the upper cover 4 and the lower cover 3 of the battery compartment 1 are provided with alignment marks, the surface of the upper cover 4 is provided with a dismounting direction prompting arrow, a user can be guided very intuitively, and operability is improved.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only for convenience of description, and are not intended to indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and therefore, are not to be considered as limitations of the present invention, and the fundamental principles, main features, and advantages of the present invention have been shown and described above, as would be understood by those skilled in the art.

Claims

1. The utility model provides a removable battery high reliability battery case, includes battery compartment (1) and connecting seat (2) of connection at battery compartment (1) lower extreme, battery compartment (1) includes lower cover (3), upper cover (4) and vice lid (5), lower cover (3) are including upper bin portion (31) and lower bin portion (32), upper cover (4) are connected on upper bin portion (31), vice lid (5) are connected on lower bin portion (32), its characterized in that, set up on upper cover (4) downside and can make recess (41) in vice lid (5) upper end part stretches into upper cover (4) towards lower bin portion (32) displacement, be equipped with bellied lug (42) on the cell wall of recess (41), dysmorphism groove (51) that are the T type have been seted up to vice lid (5) upside, be equipped with dog (52) that are the T type in dysmorphism groove (51), dog (52) and lug (42) support to lean on and restrict upper cover (4) and can remove the trend of keeping out between dog (52) and lug (42) towards lower storehouse portion (32) direction motion and through pressing down dog (52), upper cover (4) outer edge department evenly distributed has fixture block (43), be equipped with on upper storehouse portion (31) with fixture block (43) assorted draw-in groove (33), upper cover (4) and upper storehouse portion (31) are through draw-in groove (33) and fixture block (43) joint radial fixation and still are equipped with strengthening rib (34) at the block position of upper storehouse portion (31).

2. The battery box of claim 1, wherein the slot (33) is L-shaped, the latch (43) is also L-shaped, the latch (43) can extend into the slot (33) and slide relative to the edge of the slot with the maximum slot width by the length of one latch (43), and a guiding notch (35) is formed at the slot of the slot (33) for facilitating the latch (43) to be inserted or removed.

3. The battery box of claim 1, wherein the top wall of the inner cavity of the upper compartment portion (31) is provided with a positive terminal (6), the positive terminal (6) comprises a positive plate (74) and a positive circular terminal (75) riveted with the positive plate, the bottom wall of the inner cavity of the upper compartment portion (31) is provided with a negative terminal (7), the negative terminal (7) comprises an elastic sheet (71) with elasticity, a negative circular terminal (73) riveted with the negative circular terminal and a spring (72), and the spring (72) is arranged between the top wall and the bottom wall of the elastic sheet (71).

4. A battery box with high reliability for replaceable batteries according to claim 3, wherein the side wall of the inner cavity of the upper compartment portion (31) is formed with a boss (36), and the positive terminal (6) is guided to the lower end of the battery compartment (1) along the boss (36).

5. A high reliability battery pack for replaceable batteries according to claim 4, wherein said connecting holder (2) is provided with a positive cage spring (21) and a negative cage spring (22), said positive circular terminal (75) is inserted into said positive cage spring (21), and said negative circular terminal (73) is inserted into said negative cage spring (22).

6. A battery pack with high reliability for replaceable batteries according to any of claims 1 to 5, characterized in that the outer side of the upper lid (4) is provided with grooves (44) having concave and convex shapes for matching with fingerprints of human hands.

7. A battery pack with high reliability for replaceable batteries according to any one of claims 1 to 5, wherein the stopper (52) is further provided with a mark (53) on the outer side for a person to recognize the pressing.

8. A battery case for a replaceable battery having high reliability as claimed in any one of claims 1 to 5, wherein a pockmark protrusion is further provided on the outer surfaces of the upper and lower covers (4, 3).

9. A battery pack with high reliability for replaceable batteries according to any of claims 1 to 5, wherein said secondary lid (5) is further provided with a mark (54) for warning a user of distinguishing between positive and negative electrodes.