CN215451585U

CN215451585U - Sealed battery cap

Info

Publication number: CN215451585U
Application number: CN202121347444.4U
Authority: CN
Inventors: 李湃; 丁东生
Original assignee: Anhui Jiechuang Technology Co Ltd
Current assignee: Anhui Jiechuang Technology Co Ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-07
Anticipated expiration: 2031-06-17

Abstract

The invention discloses a sealed battery cap which comprises a cap body and a battery shell, wherein an annular fixing plate, a first annular groove, a second annular groove and a third annular groove which are concentrically arranged are sequentially arranged at the bottom of the cap body from outside to inside, a first sealing ring and a third sealing ring are detachably connected inside the first annular groove and the third annular groove respectively, a second sealing ring corresponding to the second annular groove is fixedly connected between the first sealing ring and the third sealing ring, and a first sealing fastening assembly is arranged on the cap body. According to the invention, the first sealing ring, the second sealing ring and the third sealing ring are arranged to play a sealing role, the movable plate is driven to vertically move upwards by rotating the first adjusting screw according to a thread transmission principle, and the driving push rod drives the arc-shaped pressing plate to tightly press the first sealing ring on the outer side of the battery shell under the linkage action of the first connecting rod, so that a secondary sealing effect is achieved, the sealing effect of the cap is improved, and the electrolyte is prevented from overflowing.

Description

Sealed battery cap

Technical Field

The invention relates to the technical field of battery caps, in particular to a sealed battery cap.

Background

The battery is taken as an important energy source and plays a great role in all aspects of modern social life, the traditional battery structure mainly comprises a shell, a switching structure and a battery cell, the shell comprises a shell and a cap, a cavity formed by connecting the shell and the cap is used for accommodating the battery cell, and the positive pole and the negative pole of the battery cell are respectively connected with the cap through the switching structure, so that the current guide of the battery is realized.

The inside sealing washer that is equipped with of block usually, current sealing washer set up mostly between block and battery case, and elasticity supplementary effect through the sealing washer plays sealed effect, and the leakproofness of this kind of sealing washer is relatively poor, and the structure of sealing washer can directly influence the sealed effect of battery, if the sealing washer leakproofness is not enough, can lead to the battery weeping, causes the battery to damage.

Disclosure of Invention

In order to solve the technical problems mentioned in the background art, a sealed battery cap is proposed.

In order to achieve the purpose, the invention adopts the following technical scheme:

a sealed battery cap comprises a cap body and a battery shell, wherein an annular fixed plate, a first annular groove, a second annular groove and a third annular groove which are concentrically arranged are sequentially arranged at the bottom of the cap body from outside to inside, a first sealing ring and a third sealing ring are detachably connected inside the first annular groove and the third annular groove respectively, a second sealing ring which is arranged corresponding to the second annular groove is fixedly connected between the first sealing ring and the third sealing ring, the battery shell is sleeved between the first sealing ring and the third sealing ring, the top of the battery shell is abutted against the second sealing ring, a first sealing and fastening assembly is arranged on the cap body and comprises a push rod which is sleeved on the periphery of the annular fixed plate, an arc-shaped compression plate is fixedly connected to the inner side of the push rod, a first connecting rod is rotatably connected to the outer side of the push rod, and the first connecting rod is rotatably arranged inside the cap body, a first adjusting screw rod is rotatably mounted in the cap body, a movable plate is connected to the outer side of the first adjusting screw rod in a screwing mode through threads, and the free end of the first connecting rod is rotatably connected with the movable plate.

As a further description of the above technical solution:

the first connecting rod comprises a first short rod connected with the push rod in a rotating mode and a second short rod connected with the movable plate in a rotating mode, the first short rod and the second short rod are fixedly connected, the included angle of the joint is not smaller than 60 degrees, and the first connecting rod and the cap body are connected in the joint of the first short rod and the second short rod in a rotating mode through the rotating shaft.

As a further description of the above technical solution:

and the periphery of the bottom of the cap body is provided with a abdicating groove for accommodating the second short rod.

In order to achieve the purpose, the invention adopts the following technical scheme II:

the utility model provides a canned type battery cap, includes the cap body and battery case, cap body bottom is equipped with annular fixed plate, first ring channel, second ring channel and the third ring channel of concentric setting from outer to interior in proper order, first ring channel and third ring channel are inside to dismantle respectively and are connected with first sealing washer and third sealing washer, fixedly connected with corresponds the second sealing washer that sets up with the second ring channel between first sealing washer and the third sealing washer, battery case cup joints between first sealing washer and third sealing washer, and battery case's top and second sealing washer butt, be equipped with the sealed fastening component of second on the cap body, make the second sealing washer compressed tightly in the battery case outside through the sealed fastening component of second.

As a further description of the above technical solution:

the second sealing and fastening assembly comprises a L-shaped rod sleeved on the periphery of an annular fixing plate, an arc-shaped pressing plate is fixedly connected to the inner side of the L-shaped rod, a cross guide rod penetrates through the L-shaped rod around and is adjacent to the cross guide rod, a sliding rod is sleeved on the outer side of the L-shaped rod and is provided with two relative parallel arrangements, a second connecting rod is connected to the inner side of the sliding rod in a rotating mode, a second adjusting screw rod is installed between the cap body and the cross guide rod in a rotating mode, the outer side of the second adjusting screw rod is connected with a screw sleeve in a screwing mode through threads, and the free end of the second connecting rod is connected with the screw sleeve in a rotating mode.

As a further description of the above technical solution:

the L-shaped rod comprises a cross rod and a vertical rod, the cross rod is slidably connected with the annular fixing plate, the vertical rod is slidably connected with the sliding rod, the arc-shaped pressing plate is fixedly connected with the cross rod, and the cross guide rod penetrates through the vertical rod.

As a further description of the above technical solution:

the surface wall fixedly connected with guide block in the slide bar both sides, the montant both sides have the guide way with guide block looks adaptation.

As a further description of the above technical solution:

the periphery of the bottom of the cap body is provided with a sliding groove matched with the vertical rod.

As a further description of the two technical solutions:

first high magnetic stripes are bonded in the first annular groove, the second annular groove and the third annular groove, and second high magnetic stripes with different magnetism from the first high magnetic stripes are bonded at the tops of the first sealing ring, the second sealing ring and the third sealing ring.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, firstly, a battery shell is sleeved between a first sealing ring and a third sealing ring, then a battery shell is pushed upwards, so that a second sealing ring is extruded into a second annular groove, and a second high magnetic strip and a first high magnetic strip on the second sealing ring and the second annular groove are connected under the magnetic action to play a role in primary sealing.

2. According to the invention, firstly, a battery shell is sleeved between a first sealing ring and a third sealing ring, then the battery shell is pushed upwards, so that a second sealing ring is extruded into a second annular groove, and a second high magnetic strip and a first high magnetic strip on the second sealing ring and the second annular groove are connected under the magnetic action to play a role in primary sealing.

Drawings

Fig. 1 is a schematic structural view illustrating a first seal fastening assembly of a cap for a sealed battery according to an embodiment of the present invention;

fig. 2 is a first front view schematically showing a sealed battery cap according to an embodiment of the present invention;

fig. 3 is a first schematic bottom view of a sealed battery cap according to an embodiment of the present invention;

fig. 4 shows a first schematic bottom view of a cap of a sealed battery cap according to an embodiment of the present invention;

fig. 5 is a schematic bottom view illustrating an escape groove of a cap for a sealed battery according to an embodiment of the present invention;

fig. 6 is a schematic structural view illustrating a second sealing fastening assembly of a cap for a sealed battery according to an embodiment of the present invention;

fig. 7 is a second schematic front view showing a sealed battery cap according to an embodiment of the present invention;

fig. 8 is a second schematic bottom view of a sealed battery cap according to an embodiment of the present invention;

fig. 9 is a schematic bottom view illustrating a chute of a cap for a sealed battery according to an embodiment of the present invention;

fig. 10 is a schematic top view of a slide bar of a sealed battery cap according to an embodiment of the present invention;

fig. 11 is a schematic view showing the connection of a slide bar and a second regulating screw of a cap for a sealed battery according to an embodiment of the present invention;

fig. 12 shows an enlarged schematic view at a of a sealed battery cap provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a cap body; 101. a yielding groove; 102. a first annular groove; 103. a second annular groove; 104. a third annular groove; 105. a chute; 21. a first link; 211. a first short bar; 212. a second short bar; 22. a push rod; 23. a movable plate; 24. a first adjusting screw; 31. a first seal ring; 32. a second seal ring; 33. a third seal ring; 4. an annular fixed plate; 5. an arc-shaped pressing plate; 61. an L-shaped rod; 611. a vertical rod; 6101. a guide groove; 612. a cross bar; 62. a cross-shaped guide rod; 63. a second adjusting screw; 64. a slide bar; 641. a guide block; 65. a second link; 66. a threaded sleeve; 71. a first high magnetic stripe; 72. a second high magnetic stripe; 8. and a battery case.

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.

Example one

Referring to fig. 1-5 and fig. 12, the present invention provides a technical solution: a sealed battery cap comprises a cap body 1 and a battery shell 8, wherein an annular fixing plate 4, a first annular groove 102, a second annular groove 103 and a third annular groove 104 which are concentrically arranged are sequentially arranged at the bottom of the cap body 1 from outside to inside, a first sealing ring 31 and a third sealing ring 33 are detachably connected inside the first annular groove 102 and the third annular groove 104 respectively, a second sealing ring 32 corresponding to the second annular groove 103 is fixedly connected between the first sealing ring 31 and the third sealing ring 33, the battery shell 8 is sleeved between the first sealing ring 31 and the third sealing ring 33, the top of the battery shell 8 is abutted against the second sealing ring 32, a first high magnetic strip 71 is bonded in each of the first annular groove 102, the second annular groove 103 and the third annular groove 104, and a second high magnetic strip 72 with a magnetic property different from that of the first high magnetic strip 71 is bonded at the tops of the first sealing ring 31, the second sealing ring 32 and the third sealing ring 33, the first seal fastening assembly is arranged on the cap body 1 and comprises a push rod 22 sleeved around an annular fixing plate 4, an arc-shaped pressing plate 5 is fixedly connected to the inner side of the push rod 22, a first connecting rod 21 is rotatably connected to the outer side of the push rod 22, the first connecting rod 21 is rotatably installed inside the cap body 1, the first connecting rod 21 comprises a first short rod 211 rotatably connected with the push rod 22 and a second short rod 212 rotatably connected with a movable plate 23, the first short rod 211 and the second short rod 212 are fixedly connected, an included angle at the connection position is an acute angle not smaller than 60 degrees, the first connecting rod 21 and the cap body 1 are rotatably connected at the connection position of the first short rod 211 and the second short rod 212 through a rotating shaft, a abdicating groove 101 for accommodating the second short rod 212 is formed around the bottom of the cap body 1, a first adjusting screw 24 is rotatably installed in the cap body 1, the outer side of the first adjusting screw 24 is connected with a movable plate 23 through screw thread screwing, and the free end of the first connecting rod 21 is rotatably connected with the movable plate 23;

firstly, cup joint battery case 8 between first sealing washer 31 and third sealing washer 33, upwards promote battery case 8 again, make second sealing washer 32 crowded into in the second ring channel 103, and second high magnetic stripe 72 and first high magnetic stripe 71 on second sealing washer 32 and the second ring channel 103 connect under the magnetic action, play a sealed effect, then, rotate first adjusting screw 24, according to the screw thread transmission principle, drive fly leaf 23 vertical upward movement, under the linkage effect of first connecting rod 21, drive push rod 22 drives arc pressure strip 5 and compresses tightly first sealing washer 31 in the battery case 8 outside, play secondary seal effect, improve the sealed effect of block, prevent that electrolyte from overflowing.

The working principle is as follows: during the use, at first, cup joint battery case 8 between first sealing washer 31 and third sealing washer 33, upwards promote battery case 8 again, make second sealing washer 32 crowded into in the second ring channel 103, and second high magnetic stripe 72 and first high magnetic stripe 71 on second sealing washer 32 and the second ring channel 103 connect under the magnetic action, play a sealed effect, then, rotate first adjusting screw 24, according to the screw thread transmission principle, the vertical upward movement of drive fly leaf 23, under the linkage effect of first connecting rod 21, drive push rod 22 drives arc pressure strip 5 and compresses tightly first sealing washer 31 in the battery case 8 outside, play the secondary seal effect, improve the sealed effect of lid, prevent that electrolyte from overflowing.

Example two

Referring to fig. 5-12, the present invention provides a technical solution: a sealed battery cap comprises a cap body 1 and a battery shell 8, and is characterized in that an annular fixing plate 4, a first annular groove 102, a second annular groove 103 and a third annular groove 104 which are concentrically arranged are sequentially arranged at the bottom of the cap body 1 from outside to inside, a first sealing ring 31 and a third sealing ring 33 are detachably connected inside the first annular groove 102 and the third annular groove 104 respectively, a second sealing ring 32 corresponding to the second annular groove 103 is fixedly connected between the first sealing ring 31 and the third sealing ring 33, the battery shell 8 is sleeved between the first sealing ring 31 and the third sealing ring 33, the top of the battery shell 8 is abutted against the second sealing ring 32, a first high magnetic strip 71 is bonded in each of the first annular groove 102, the second annular groove 103 and the third annular groove 104, a second high magnetic strip 72 with a magnetic property different from that of the first high magnetic strip 71 is bonded at the tops of the first sealing ring 31, the second sealing ring 32 and the third sealing ring 33, the first sealing ring 31, the second sealing ring 32, the third sealing ring 33 and the cap body 1 are convenient to disassemble and assemble, a second sealing and fastening assembly is arranged on the cap body 1, and the second sealing ring 32 is tightly pressed on the outer side of the battery shell 8 through the second sealing and fastening assembly;

specifically, the second sealing and fastening assembly comprises an L-shaped rod 61 sleeved around an annular fixing plate 4, the inner side of the L-shaped rod 61 is fixedly connected with an arc-shaped pressing plate 5, a cross guide rod 62 penetrating through the L-shaped rod 61 around is fixedly connected in a cap body 1, the outer side of the adjacent L-shaped rod 61 is sleeved with a sliding rod 64, the sliding rods 64 are arranged in parallel, the L-shaped rod 61 comprises a cross rod 612 connected with the annular fixing plate 4 in a sliding manner and a vertical rod 611 connected with the sliding rod 64 in a sliding manner, the arc-shaped pressing plate 5 is fixedly connected with the cross rod 612, the cross guide rod 62 penetrates through the vertical rod 611, a sliding groove 105 matched with the vertical rod 611 is formed around the bottom of the cap body 1, guide blocks 641 are fixedly connected with inner surface walls on two sides of the sliding rod 64, guide grooves 6101 matched with the guide blocks 641 are formed on two sides of the vertical rod 611, a second connecting rod 65 is rotatably connected on the inner side of the sliding rod 64, a second adjusting screw 63 is rotatably installed between the cap body 1 and the cross guide rod 62, the outer side of the second adjusting screw 63 is connected with a threaded sleeve 66 in a screwing way through threads, and the free end of the second connecting rod 65 is rotationally connected with the threaded sleeve 66;

firstly, the battery case 8 is sleeved between the first sealing ring 31 and the third sealing ring 33, and then the battery case 8 is pushed upwards, so that the second sealing ring 32 is squeezed into the second annular groove 103, and the second high magnetic stripe 72 and the first high magnetic stripe 71 on the second sealing ring 32 and the second annular groove 103 are connected under the magnetic action, thereby playing a role of primary sealing, then, the second adjusting screw 63 is rotated, according to the principle of thread transmission, the screw sleeve 66 is driven to vertically move upwards, under the connecting action of the second connecting rod 65, the sliding rods 64 on two sides are driven to relatively move close to each other, under the action of the guide block 641 and the guide groove 6101, the L-shaped rod 61 drives the arc-shaped pressing plate 5, the first sealing ring 31 is pressed on the outer side of the battery case 8, thereby playing a role of secondary sealing, improving the sealing effect of the cap, and preventing the electrolyte from overflowing.

The working principle is as follows: during the use, at first, cup joint battery case 8 between first sealing washer 31 and third sealing washer 33, upwards promote battery case 8 again, make second sealing washer 32 crowded into in the second ring channel 103, and second high magnetic stripe 72 and first high magnetic stripe 71 on second sealing washer 32 and the second ring channel 103 connect under the magnetic action, play a sealed effect, then, rotate second adjusting screw 63, according to the screw thread transmission principle, drive the vertical upward movement of swivel nut 66, under the connecting action of second connecting rod 65, drive the relative motion that is close to of slide bar 64 of both sides, again under guide block 641 and guide way 6101's effect, make L shape pole 61 drive arc pressure strip 5, compress tightly first sealing washer 31 in the battery case 8 outside, play the secondary seal effect, improve the sealed effect of lid cap, prevent that electrolyte from overflowing.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A sealed battery cap comprises a cap body (1) and a battery shell (8), and is characterized in that an annular fixing plate (4), a first annular groove (102), a second annular groove (103) and a third annular groove (104) which are concentrically arranged are sequentially arranged at the bottom of the cap body (1) from outside to inside, a first sealing ring (31) and a third sealing ring (33) are detachably connected inside the first annular groove (102) and the third annular groove (104) respectively, a second sealing ring (32) which is correspondingly arranged with the second annular groove (103) is fixedly connected between the first sealing ring (31) and the third sealing ring (33), the battery shell (8) is sleeved between the first sealing ring (31) and the third sealing ring (33), the top of the battery shell (8) is abutted against the second sealing ring (32), and a first sealing fastening assembly is arranged on the cap body (1), the first sealing fastening assembly comprises a push rod (22) which is sleeved on the periphery of an annular fixing plate (4), an arc-shaped pressing plate (5) is fixedly connected to the inner side of the push rod (22), a first connecting rod (21) is connected to the outer side of the push rod (22) in a rotating mode, the first connecting rod (21) is installed inside a cap body (1), a first adjusting screw rod (24) is installed in the cap body (1) in a rotating mode, a movable plate (23) is connected to the outer side of the first adjusting screw rod (24) in a rotating mode through threads, and the free end of the first connecting rod (21) is connected with the movable plate (23) in a rotating mode.

2. A sealed battery cap comprises a cap body (1) and a battery shell (8), and is characterized in that an annular fixing plate (4), a first annular groove (102), a second annular groove (103) and a third annular groove (104) which are concentrically arranged are sequentially arranged at the bottom of the cap body (1) from outside to inside, a first sealing ring (31) and a third sealing ring (33) are detachably connected inside the first annular groove (102) and the third annular groove (104) respectively, a second sealing ring (32) which is correspondingly arranged with the second annular groove (103) is fixedly connected between the first sealing ring (31) and the third sealing ring (33), the battery shell (8) is sleeved between the first sealing ring (31) and the third sealing ring (33), the top of the battery shell (8) is abutted against the second sealing ring (32), and a second sealing and fastening assembly is arranged on the cap body (1), the second sealing ring (32) is pressed outside the battery shell (8) through the second sealing fastening assembly.

3. The sealed battery cap according to claim 2, wherein the second seal fastening assembly comprises an L-shaped rod (61) fitted around the annular securing plate (4), the inner side of the L-shaped rod (61) is fixedly connected with an arc-shaped pressing plate (5), the inner side of the cap body (1) is fixedly connected with a cross guide rod (62) penetrating through the L-shaped rods (61) on the periphery, the outer side of the adjacent L-shaped rod (61) is sleeved with a sliding rod (64), the two sliding rods (64) are arranged in parallel, the inner side of each sliding rod (64) is rotatably connected with a second connecting rod (65), a second adjusting screw (63) is rotatably arranged between the cap body (1) and the cross-shaped guide rod (62), the outer side of the second adjusting screw rod (63) is connected with a threaded sleeve (66) through thread screwing, the free end of the second connecting rod (65) is rotatably connected with the threaded sleeve (66).

4. The sealed battery cap according to claim 3, wherein the L-shaped rod (61) comprises a cross rod (612) slidably connected to the annular fixing plate (4) and a vertical rod (611) slidably connected to the sliding rod (64), the arc-shaped pressing plate (5) is fixedly connected to the cross rod (612), and the cross rod (62) passes through the vertical rod (611).

5. The sealed battery cap according to claim 4, wherein the slide rod (64) is fixedly connected with a guide block (641) on the inner surface wall on both sides, and the vertical rod (611) is provided with a guide groove (6101) on both sides matching with the guide block (641).

6. The sealed battery cap as defined in claim 5, wherein the cap body (1) has a sliding groove (105) formed around the bottom thereof for fitting with the vertical rod (611).

7. The sealed battery cap according to claim 1, wherein the first connecting rod (21) comprises a first short rod (211) rotatably connected with the push rod (22) and a second short rod (212) rotatably connected with the movable plate (23), the first short rod (211) and the second short rod (212) are fixedly connected, the included angle of the connection is an acute angle not less than 60 degrees, and the first connecting rod (21) and the cap body (1) are rotatably connected through a rotating shaft at the connection of the first short rod (211) and the second short rod (212).

8. The sealed battery cap according to claim 7, wherein the cap body (1) has a recess (101) around the bottom thereof for receiving the second short rod (212).

9. The sealed battery cap according to claim 1 or 2, wherein a first high magnetic stripe (71) is bonded in each of the first annular groove (102), the second annular groove (103), and the third annular groove (104), and a second high magnetic stripe (72) having a magnetic property different from that of the first high magnetic stripe (71) is bonded on top portions of the first seal ring (31), the second seal ring (32), and the third seal ring (33).