CN211125824U - Liquid leakage prevention carbon battery - Google Patents

Abstract

The utility model relates to a prevention of liquid leakage carbon nature battery relates to primary cell technical field, and it includes zinc shell, anodal cap and negative plate, the zinc shell on the cover be equipped with the leak protection cover, the leak protection cover including the cover body, upper cover plate and lower apron, the upper cover plate be located the top of zinc shell, lower apron be located the bottom of zinc shell, the cover body cover establish the zinc shell on, the cover body and upper cover plate, the equal fixed connection of lower apron. The utility model discloses have when discharging and accomplish the back, the effect that the leak protection cover can play the protection to the zinc shell effectively avoids the zinc shell to damage owing to receive external force to the effect that the problem that leads to the weeping takes place. Can effectively avoid the pollution to the environment caused by liquid leakage, and is more environment-friendly.

Description

Liquid leakage prevention carbon battery

Technical Field

The utility model belongs to the technical field of the primary cell technique and specifically relates to a leak protection liquid carbon nature battery is related to.

Background

The carbon battery is a kind of disposable battery, which is a kind of neutral zinc-manganese dioxide dry battery (zinc-manganese dioxide dry battery), and belongs to the primary battery in chemical power source.

Referring to fig. 1, in the conventional carbon battery, plastic paper 11 is directly coated on the outer surface of a zinc case 1, and a negative electrode base 12 is in contact with the bottom of the zinc case 1 and is in contact with the zinc case through the plastic paper 11.

The above prior art solutions have the following drawbacks: the discharging process of the existing carbon battery is a process of continuously electrolyzing the zinc shell, so that after discharging, the zinc shell is weak, when the zinc shell is subjected to external force, the shell is easy to break, electrolyte leakage occurs, and the electric equipment is damaged.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a leak protection liquid carbon nature battery, it has the advantage that can effectively avoid the weeping phenomenon to take place.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a leak protection liquid carbon nature battery, includes zinc shell, anodal cap and negative plate, the zinc shell on the cover be equipped with the leak protection cover, the leak protection cover including the cover body, upper cover plate and lower apron, the upper cover plate be located the top of zinc shell, lower apron be located the bottom of zinc shell, the cover body cover establish the zinc shell on, the cover body and upper cover plate, the equal fixed connection of apron down.

Through adopting above-mentioned technical scheme, because cover body cover is established on the zinc shell, the upper cover plate is located the top of zinc shell, and lower apron is located the bottom of zinc shell, and cover body and upper cover plate and lower apron fixed connection, consequently when discharge and accomplish the back, the effect that the leak protection cover can play the protection to the zinc shell effectively avoids the zinc shell to receive external force and damages to lead to the problem of weeping to take place.

The present invention may be further configured in a preferred embodiment as: the lower cover plate comprises a first cover plate and a second cover plate, the first cover plate is fixedly connected with the sleeve body, a fixing groove for fixing the negative plate is formed in the second cover plate, and an annular bulge which is in contact with the bottom of the zinc shell is formed in the negative plate.

Through adopting above-mentioned technical scheme, consequently when using, can effectually avoid the problem that the negative plate drops to avoided because the bottom of the zinc shell that the negative plate drops to lead to is direct inconsistent with the negative spring of battery case and the zinc shell bottom that leads to takes place by the problem of fish tail, consequently can effectually avoid discharging and accomplish the back, the cracked problem of zinc shell follow fish tail department takes place.

The present invention may be further configured in a preferred embodiment as: the inside of fixed slot on be equipped with the rubber layer, the rubber layer with the negative plate inconsistent.

Through adopting above-mentioned technical scheme, consequently when using, the lower surface and the rubber layer of negative plate are inconsistent for under normal condition, the rubber layer is in compression deformation state, consequently can give the ascending pressure of negative plate, consequently makes the contact effect of negative plate and zinc shell better.

The present invention may be further configured in a preferred embodiment as: and the negative plate is also provided with a positioning groove.

Through adopting above-mentioned technical scheme, consequently when using, the negative spring of battery case when inconsistent with the negative plate, the negative spring is located the fixed slot, can effectually avoid when the battery case takes place little vibrations, and the negative spring of battery case takes place with the problem of negative plate dislocation, has avoided the bad contact problem emergence that leads to because the dislocation.

The present invention may be further configured in a preferred embodiment as: the sleeve body further comprises a first sleeve body and a second sleeve body, a reinforcing cavity is formed between the first sleeve body and the second sleeve body, and a reinforcing plate is arranged in the reinforcing cavity.

Through adopting above-mentioned technical scheme, consequently can further play the guard action to the zinc shell, can effectually avoid external force to lead to the problem emergence that the zinc shell damaged.

The present invention may be further configured in a preferred embodiment as: the upper cover plate and the first cover plate are both provided with circular grooves matched with the sleeve body.

Through adopting above-mentioned technical scheme, consequently when installing upper cover plate and first apron, the existence of circular recess makes the location between upper cover plate and the cover body, first cover body and the apron more accurate, has reduced installation error.

The present invention may be further configured in a preferred embodiment as: the upper cover plate is also provided with a through hole for the positive electrode cap to penetrate out, the inner wall of the through hole is provided with a sealing ring, and the inner diameter of the sealing ring is smaller than the outer diameter of the positive electrode cap.

Through adopting above-mentioned technical scheme, consequently when installing the upper cover plate, because the internal diameter of sealing washer is less than the external diameter of positive polar cap, the sealing washer can be inconsistent with positive polar cap, consequently can effectually avoid external impurity to fall into the problem emergence in the gap between wearing hole and the positive polar cap, consequently can effectually avoid the existence of impurity to make the problem emergence that causes the corruption to the positive polar cap.

The present invention may be further configured in a preferred embodiment as: the section of the sealing ring is semicircular, and the sealing ring is positioned at the lower end of the penetrating hole and forms a glue filling cavity with the inner wall of the penetrating hole.

Through adopting above-mentioned technical scheme, consequently when the installation of upper cover plate was accomplished, the sealing washer was inconsistent with positive cap, irritates glue to positive cap, sealing washer and the encapsulating intracavity that forms between the inner wall of wearing out the hole afterwards to can further avoid external impurity to fall into the problem emergence in the gap between wearing out the hole and the positive cap.

To sum up, the utility model discloses a following at least one useful technological effect:

the upper cover plate, the sleeve body and the lower cover plate which are connected can effectively avoid the problem of liquid leakage caused by the fact that a zinc shell is weak and is easily damaged after the discharge of the battery is finished;

the negative plate is through the purpose that first apron and second apron realization contacted with the bottom of zinc-back shell, consequently, the problem that the existence of first apron and second apron can effectually avoid the negative plate to drop takes place, avoids taking place because the negative plate drops the easy problem of damaging in the bottom of zinc-back shell that leads to.

Drawings

Fig. 1 is a schematic diagram of a prior art structure.

Fig. 2 is a schematic sectional structure diagram of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic view of the sectional structure of the upper cover plate of the present invention.

Fig. 5 is a schematic view of the explosion structure of the lower cover plate of the present invention.

Reference numerals: 1. a zinc shell; 11. plastic paper; 12. a negative pole bottom; 13. a positive electrode cap; 2. a sleeve body; 21. a first sleeve body; 22. a second sleeve body; 23. a reinforcing plate; 3. a lower cover plate; 31. a first cover plate; 311. a circular groove; 32. a second cover plate; 321. fixing grooves; 322. a rubber layer; 4. an upper cover plate; 41. an outlet hole is formed; 42. a seal ring; 5. a negative plate; 51. an annular projection; 52. and (6) positioning a groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2 and 3, for the utility model discloses a leak protection liquid carbon nature battery, including zinc shell 1, anodal cap 13 and negative plate 5, the cover is equipped with the leak protection cover on the zinc shell 1, and the leak protection cover is including the cover body 2, upper cover plate 4 and lower apron 3, and upper cover plate 4 is located the top of zinc shell 1, and lower apron 3 is located the bottom of zinc shell 1, and cover body 2 cover is established zinc shell 1 on, cover body 2 and upper cover plate 4, the equal fixed connection of lower apron 3, for example connect through the mode that splices.

Referring to fig. 3 and 5, the lower cover plate 3 includes a first cover plate 31 and a second cover plate 32, the first cover plate 31 and the second cover plate 32 are connected by gluing, the first cover plate 31 is fixedly connected with the sleeve body 2, for example, glued, a fixing groove 321 for fixing the negative plate 5 is arranged on the second cover plate 32, and an annular protrusion 51 contacting with the bottom of the zinc shell 1 is arranged on the negative plate 5.

Referring to fig. 5, a rubber layer 322 is disposed inside the fixing groove 321, the rubber layer 322 is fixed to an inner wall of the fixing groove 321 by adhesion, and the rubber layer 322 is in contact with the negative electrode plate 5.

Referring to fig. 3, the negative electrode plate 5 is further provided with a positioning groove 52.

Referring to fig. 3, the jacket body 2 further includes a first jacket body 21 and a second jacket body 22, a reinforcing cavity is formed between the first jacket body 21 and the second jacket body 22, and a reinforcing plate 23 is disposed in the reinforcing cavity.

Referring to fig. 3 and 4, the upper cover plate 4 and the first cover plate 31 are respectively provided with a circular groove 311 adapted to the sleeve body 2, the upper end surfaces of the first sleeve body 21, the second sleeve body 22 and the reinforcing plate 23 are connected to the circular groove 311 of the upper cover plate 4 by adhesive bonding, the lower end surfaces of the first sleeve body 21, the second sleeve body 22 and the reinforcing plate 23 are connected to the circular groove 311 of the first cover plate 31 by adhesive bonding, and the reinforcing plate 23 may be made of steel.

Referring to fig. 4, the upper cover plate 4 is further provided with a through hole 41 for allowing the positive electrode cap 13 to pass through, a sealing ring 42 is provided on an inner wall of the through hole 41, an inner diameter of the sealing ring 42 is smaller than an outer diameter of the positive electrode cap 13, and the sealing ring 42 is connected to the inner wall of the through hole 41 by gluing.

Referring to fig. 4, the cross section of the sealing ring 42 is semicircular, the sealing ring 42 is located at the lower end of the through hole 41 and forms a glue filling cavity with the inner wall of the through hole 41, and the glue filling cavity can be filled with epoxy resin adhesive.

The implementation principle of the embodiment is as follows: after the completion of discharging, 1 attenuation of zinc-back shell, because upper cover plate 4, the cover body 2 and the existence of lower apron 3, consequently can effectually avoid 1 damage of zinc-back shell and the problem that leads to the weeping takes place, the environmental pollution that the weeping leads to has been avoided, make more environmental protection, negative plate 5 is lapped 32 centre gripping by first apron 31 and second simultaneously, consequently can effectually avoid negative plate 5 and zinc-back shell 1 to break away from and the zinc-back shell 1 bottom of leading to in the use when contacting with battery case negative pole spring, take place by the problem of fish tail, avoid leading to after the completion of discharging because 1 bottom of zinc-back shell is by the fish tail, the easy damaged problem of fish tail department takes place. Meanwhile, a sealing ring 42 is arranged between the upper cover plate 4 and the positive electrode cap 13, and an epoxy resin adhesive is filled in the sealing ring, so that impurities can be effectively prevented from falling into a gap between the upper cover plate 4 and the positive electrode plate, and the problem that the positive electrode cap 13 is corroded by the impurities is avoided.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a leak protection liquid carbon battery, includes zinc can (1), positive electrode cap (13) and negative plate (5), its characterized in that: zinc shell (1) on the cover be equipped with the leak protection cover, the leak protection cover including the cover body (2), upper cover plate (4) and apron (3) down, upper cover plate (4) be located the top of zinc shell (1), apron (3) be located the bottom of zinc shell (1) down, the cover body (2) cover establish zinc shell (1) on, the cover body (2) and upper cover plate (4), the equal fixed connection of apron (3) down.

2. The liquid-proof carbon battery according to claim 1, characterized in that: lower apron (3) including first apron (31) and second apron (32), first apron (31) with cover body (2) fixed connection, second apron (32) on be equipped with fixed slot (321) that are used for fixed negative plate (5), negative plate (5) on be equipped with the annular arch (51) that contact bottom zinc shell (1).

3. The liquid-proof carbon battery according to claim 2, characterized in that: a rubber layer (322) is arranged inside the fixing groove (321), and the rubber layer (322) is abutted to the negative plate (5).

4. The liquid-proof carbon battery according to claim 2, characterized in that: and the negative plate (5) is also provided with a positioning groove (52).

5. The liquid-proof carbon battery according to claim 1, characterized in that: the cover body (2) still include the first cover body (21) and the second cover body (22), the first cover body (21) and the second cover body (22) between form and strengthen the chamber, strengthen the intracavity and be equipped with reinforcing plate (23).

6. The liquid-proof carbon battery according to claim 2, characterized in that: the upper cover plate (4) and the first cover plate (31) are both provided with circular grooves (311) matched with the sleeve body (2).

7. The liquid-proof carbon battery according to claim 2, characterized in that: the upper cover plate (4) is further provided with an outlet hole (41) for enabling the positive electrode cap (13) to pass out, a sealing ring (42) is arranged on the inner wall of the outlet hole (41), and the inner diameter of the sealing ring (42) is smaller than the outer diameter of the positive electrode cap (13).

8. The liquid-proof carbon battery according to claim 7, wherein: the section of the sealing ring (42) is semicircular, and the sealing ring (42) is positioned at the lower end of the penetrating hole (41) and forms a glue filling cavity with the inner wall of the penetrating hole (41).

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