Sealing ring structure of alkaline dry battery

Abstract

The utility model discloses a sealing ring structure of an alkaline dry battery, which comprises a sealing ring body, a pole and a cover plate, and the sealing ring body is arranged between the pole and the cover plate; the sealing ring body comprises an outer ring body and a second sealing ring, the second sealing ring is arranged above the outer ring body, an inner ring body is arranged at the position, close to the bottom end, of the inner wall of the outer ring body, a first sealing part and a second sealing part are arranged at the bottom end of the inner ring body, and a containing groove is formed between the first sealing part and the second sealing part; according to the utility model, the defects in the prior art are overcome, the design is reasonable, multiple sealing can be carried out on the battery, electrolyte leakage is avoided, and the high social use value and application prospect are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery sealing technical field especially relates to a kind of alkaline dry battery sealing ring structure. BACKGROUND

[0002] Alkaline battery is also called alkaline dry battery, alkaline zinc-manganese battery, alkaline manganese battery, and it is the best variety in zinc-manganese battery series, which has higher performance than ordinary dry battery, and is suitable for large discharge and long time use. The battery has lower internal resistance, so the current generated is larger than that of general carbon battery. This type of battery does not contain mercury, so it can be disposed with household waste, and does not need to be recycled.

[0003] However, the shell of the existing alkaline battery is prone to deformation and damage due to external environmental impact and extrusion during actual use in the environment, which can cause internal materials and liquids to flow out. To prevent this, the battery is sealed to prevent internal leakage, which ensures the service life of the battery and provides safety for the battery. Prior to this, the structure of the sealing ring in the production of the battery top cover only has one sealing part, which cannot effectively prevent the internal leakage of the battery, reduce the service life of the battery, reduce the safety of the battery, and even cause environmental pollution. SUMMARY

[0004] To solve the problems mentioned in the background art, the utility model provides an alkaline dry battery sealing ring structure.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] An alkaline dry battery sealing ring structure, comprising a sealing ring body, a pole and a cover plate, the sealing ring body is arranged between the pole and the cover plate; the sealing ring body comprises an outer ring body and a second sealing ring, the second sealing ring is arranged above the outer ring body, an inner ring body is arranged on the inner wall of the outer ring body near the bottom end, a first sealing part and a second sealing part are arranged at the bottom end of the inner ring body, and a containing groove is arranged between the first sealing part and the second sealing part.

[0007] Preferably, the second sealing ring is arranged at the top end of the outer ring body, and the inner diameter of the second sealing ring is smaller than the inner diameter of the outer ring body.

[0008] Preferably, a plurality of grooves are arranged on the outer side wall of the outer ring body, which can become a space for the sealing ring body to deform.

[0009] Preferably, a plurality of inner grooves are arranged on the inner side wall of the second sealing ring.

[0010] Preferably, the pole post is arranged on the cover plate, and a ring-shaped gap is arranged on the side wall of the pole post, and the second sealing ring is sleeved in the ring-shaped gap.

[0011] Preferably, the cover plate comprises a metal upper cover plate and a plastic lower cover plate arranged at the bottom of the metal upper cover plate.

[0012] Preferably, the inner wall of the inner ring body abuts against the plastic lower cover plate, and the first sealing part and the second sealing part both abut against the top end of the metal upper cover plate.

[0013] Preferably, the top of the cover plate is provided with a pole post fixing part, and the pole post and the fixing part are encapsulated to form an upper plastic part.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1, the lower end surface of the second sealing ring abuts against the bottom end of the ring-shaped gap, the top end of the outer ring body forms a stepped shape with the top end of the second sealing ring, and the first sealing part and the second sealing part both abut against the top end of the metal upper cover plate to form a seal, and the multiple sealing is arranged to improve the sealing effect.

[0016] 2, when the internal pressure of the battery increases, the pole post is lifted up, the sealing effect between the first sealing part and the cover plate is weakened, part of the electrolyte enters the accommodating groove, the impact of the internal pressure of the battery on the sealing between the second sealing part and the cover plate is reduced, and the electrolyte can be prevented from leaking to the outside of the battery.

[0017] 3, a plurality of grooves are arranged on the outer side wall of the outer ring body, the outer side wall of the outer ring body forms a wave shape, and the grooves become the displacement space of the extrusion deformation of the sealing ring body, so that the sealing ring body is not easy to loosen after thermal expansion and cold contraction.

[0018] 4, a plurality of inner grooves are arranged on the inner side wall of the second sealing ring, and the sealing ring body is sleeved on the pole post.

[0019] In summary, the utility model overcomes the defects of the prior art, has reasonable design, can seal the battery multiple times, avoids electrolyte leakage, has high social use value and application prospect. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0021] Figure 1The overall structure schematic view of the utility model is shown in the figure.

[0022] Figure 2 The pole post structure schematic view of the utility model is shown in the figure.

[0023] Figure 3 The pole post sectional view schematic view of the utility model is shown in the figure.

[0024] Figure 4 The pole post mounting structure schematic view of the utility model is shown in the figure.

[0025] Figure 5 The structure schematic view of the utility model is shown in the figure. Figure 4 The structure schematic view of the utility model is shown in the figure.

[0026] In the figure: outer ring body 1, groove 101, inner ring body 11, first sealing part 111, second sealing part 112, accommodating groove 113, second sealing ring 12, inner groove 121, pole post 2, positioning boss 23, annular notch 22, cover plate 3, metal part 31 on cover plate, plastic part 32 under cover plate, pole post fixing part 4, upper plastic 5, connecting sheet 6. Specific implementation

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Embodiment 1

[0029] Refer to Figures 1-5 A sealing ring structure of alkaline dry battery, comprising sealing ring body, pole post 2 and cover plate 3, sealing ring body is arranged between pole post 2 and cover plate 3.

[0030] Sealing ring body includes outer ring body 1 and second sealing ring 12, second sealing ring 12 is arranged at the top end of outer ring body 1, and the inner diameter of second sealing ring 12 is less than that of outer ring body 1, the top end of outer ring body 1 and the top end of second sealing ring 12 form a step shape, the inner wall of outer ring body 1 is provided with inner ring body 11 at the bottom end, the bottom end of inner ring body 11 is provided with first sealing part 111 and second sealing part 112, first sealing part 111 and second sealing part 112 are both arc convex rings arranged at the bottom end of inner ring body 11, accommodating groove 113 is arranged between first sealing part 111 and second sealing part 112, accommodating groove 113 can be used to accommodate leaked electrolyte, avoiding the leakage of electrolyte to the outside of the battery.

[0031] The cover plate 3 comprises a cover plate upper metal part 31 and a cover plate lower plastic part 32, the cover plate lower plastic part 32 is arranged at the bottom of the cover plate upper metal part 31, the top end of the cover plate lower plastic part 32 is provided with an annular protrusion, the outer side wall of the annular protrusion abuts against the inner side wall of the cover plate upper metal part 31, the cover plate 3 is provided with a pole setting hole, the inner wall of the inner ring body 11 abuts against the outer side wall of the annular protrusion, the first sealing part 111 and the second sealing part 112 both abut against the top end of the cover plate upper metal part 31, the sealing is formed by the abutment of the first sealing part 111 and the second sealing part 112 against the top end of the cover plate upper metal part 31 and the abutment of the inner wall of the inner ring body 11 against the outer side wall of the annular protrusion, multiple sealing lines are arranged, and the sealing effect can be improved.

[0032] Further, when the first sealing part 111 and the second sealing part 112 are extruded to the limit, the air in the accommodating groove 113 is discharged, when the internal pressure of the battery increases, the pole 2 is lifted up, the sealing effect between the first sealing part 111 and the cover plate 3 is weakened, part of the electrolyte enters the accommodating groove 113, the impact on the sealing between the second sealing part 112 and the cover plate 3 is reduced, and the electrolyte can be prevented from leaking out of the battery.

[0033] The bottom end of the pole 2 is provided with a positioning boss 23 matched with the pole setting hole, the side wall of the pole 2 is provided with an annular notch 22, the inner wall of the outer ring body 1 abuts against the circumferential side wall of the pole 2, the second sealing ring 12 is sleeved in the annular notch 22, and the lower end face of the second sealing ring 12 abuts against the bottom end of the annular notch 22.

[0034] Further, the inner side wall of the second sealing ring 12 is provided with multiple inner grooves 121, which facilitate sleeving of the sealing ring body into the pole 2.

[0035] Further, the outer side wall of the outer ring body 1 is provided with multiple grooves 101, the outer side wall of the outer ring body 1 is formed in a wave shape, the grooves 101 become deformation displacement spaces of the sealing ring body, and the sealing ring body is not easy to loosen after thermal expansion and contraction.

[0036] The top of the cover plate 3 is provided with a pole fixing part 4, which is used for fixing the pole 2 in the pole setting hole, the pole 2 and the fixing part 4 are encapsulated, the upper plastic 5 is formed, and the pole is further sealed.

[0037] Working principle: the lower end face of the second sealing ring 12 abuts against the bottom end of the annular notch 22, the top end of the outer ring body 1 and the top end of the second sealing ring 12 form a stepped shape, the first sealing part 111 and the second sealing part 112 both abut against the top end of the cover plate upper metal part 31 to form sealing, multiple sealing lines are arranged, and the sealing effect is improved.

[0038] When the internal pressure of the battery increases, the pole post 2 is lifted up, the sealing effect between the first sealing part 111 and the cover plate 3 is weakened, part of the electrolyte enters the containing groove 113, the impact on the sealing between the second sealing part 112 and the cover plate 3 is reduced, and the electrolyte can be prevented from leaking to the outside of the battery.

[0039] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "provision", "installation", "connection", "connection", "fixation" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0041] The control mode of the present application is automatically controlled by a controller, and the control circuit of the controller can be realized by simple programming of those skilled in the art, and the power supply also belongs to the common knowledge in the art, and the present application is mainly used for protecting mechanical devices, so the control mode and circuit connection of the present application will not be explained in detail.

[0042] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A seal ring structure for an alkaline dry cell battery, characterized by comprising: The utility model relates to a sealing ring body, a pole (2) and a cover plate (3), the sealing ring body is arranged between the pole (2) and the cover plate (3); The sealing ring body includes an outer ring body (1) and a second sealing ring (12), the second sealing ring (12) is arranged above the outer ring body (1), an inner ring body (11) is arranged on the inner wall of the outer ring body (1) near the bottom end, a first sealing part (111) and a second sealing part (112) are arranged on the bottom end of the inner ring body (11), and a containing groove (113) is arranged between the first sealing part (111) and the second sealing part (112). The second sealing ring (12) is arranged on the top end of the outer ring body (1), and the inner diameter of the second sealing ring (12) is smaller than the inner diameter of the outer ring body (1).

2. A seal ring structure for a alkaline dry cell battery according to claim 1, wherein: A plurality of grooves (101) are arranged on the outer side wall of the outer ring body (1), and the grooves (101) can become the space for the extrusion deformation of the sealing ring body.

3. A seal ring structure for a alkaline dry cell battery as defined in claim 1, wherein: A plurality of inner grooves (121) are arranged on the inner side wall of the second sealing ring (12).

4. A seal ring structure for a alkaline dry cell battery as defined in claim 1, wherein: The pole (2) is arranged on the cover plate (3), an annular notch (22) is arranged on the side wall of the pole (2), and the second sealing ring (12) is sleeved in the annular notch (22).

5. A seal ring structure for a alkaline dry cell battery as defined in claim 1, wherein: The cover plate (3) includes a cover plate upper metal part (31) and a cover plate lower plastic part (32), and the cover plate lower plastic part (32) is arranged at the bottom of the cover plate upper metal part (31).

6. A seal ring structure for a alkaline dry cell battery as defined in claim 1, wherein: The inner wall of the inner ring body (11) abuts against the cover plate lower plastic part (32), and the first sealing part (111) and the second sealing part (112) both abut against the top end of the cover plate upper metal part (31).

7. A seal ring structure for a alkaline dry cell battery as defined in claim 6, wherein: The top of the cover plate (3) is provided with a pole fixing part (4), the pole (2) and the fixing part (4) are encapsulated to form an upper plastic part (5).

8. A seal ring structure for a dry cell battery as defined in claim 1, wherein: ​

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