CN206349412U

CN206349412U - Battery cap

Info

Publication number: CN206349412U
Application number: CN201621159749.1U
Authority: CN
Inventors: 王有生; 王四生; 陆宾林; 陈蓉周
Original assignee: Shenzhen Red Fairy Precision Technology Co Ltd
Current assignee: Changzhou Red Fairy Precision Technology Co Ltd
Priority date: 2016-11-01
Filing date: 2016-11-01
Publication date: 2017-07-21
Anticipated expiration: 2026-11-01

Abstract

The utility model is related to the technical field of battery cap, disclose battery cap, including cover plate, pole and sealing ring, through hole is provided with cover plate, pole includes base and the cylinder being connected on base, and cylinder is worn in through-holes, and base is placed in the lower section of cover plate, sealing ring formation the gap that is filled between cylinder lateral wall and through hole madial wall and is filled between base and the lower surface of cover plate between pole and cover plate.Pole is located in the through hole of cover plate, there is gap between the lateral wall of cylinder and the madial wall of through hole, sealing ring is filled in the gap, and sealing ring is filled between base and the lower surface of cover plate, so, for sealing ring itself, and form bending, it is filled between pole and cover plate so that the sealing effectiveness between pole and cover plate preferably, improves the sealing property of battery.

Description

Battery cap

Technical field

The utility model is related to the technical field of battery cap, more particularly to battery cap.

Background technology

As electronic product is increasingly minimized, portability, the utilization of battery is more and more extensive, because battery structure is simple Single, easy to carry, discharge and recharge is easy to operation, is not influenceed by outside climatic and temperature, stable and reliable for performance, so existing Very big effect is played for the various aspects in social life.

Battery cap includes cover plate and pole, and pole is located in cover plate, the lower end of its pole as cover plate lower section, The upper end of pole extends to the top of cover plate.

In the prior art, because battery cap needs to be sealed on the upper end open of housing, and pole is located in cover plate, this Sample, then needed to being sealed between pole and cover plate, still, and effect is sealed between the pole and cover plate in current battery cap It is really poor, largely effect on the performance of battery.

Utility model content

The purpose of this utility model is to provide battery cap, it is intended to solve in the prior art, close between pole and cover plate Effect difference is sealed so that the problem of influenceing battery performance.

The utility model is achieved in that in battery cap, including cover plate, pole and sealing ring, the cover plate and set There is through hole, the pole includes base and the cylinder being connected on the base, and the cylinder is located in the through hole, institute The lower section that base is placed in the cover plate is stated, the sealing ring formation is filled in the cylinder between the pole and cover plate Gap between lateral wall and through hole madial wall and it is filled between the base and the lower surface of cover plate.

Further, the sealing ring includes the upper ring body of perpendicular shape arrangement and the lower ring body of horizontal arrangement, The upper ring body is connected on the lower ring body, and the upper ring body is filled between the cylinder lateral wall and through hole madial wall Gap, the lower ring body is filled between the base and the lower surface of cover plate.

Further, the upper end of the upper ring body and the upper surface flush arrangement of the cover plate.

Further, the face-up projection formation boss of the upper table of the cover plate, the through hole formation is in the boss.

Further, the face-up concave shape of the following table of the cover plate is into groove, the groove be located at the boss just under Side, the upper end of the base is embedded in the groove.

Further, the lower end of the base is emerging in the lower section of the groove.

Further, the inside arc surfaced of the madial wall of the groove towards groove protrudes arrangement.

Further, the perpendicular shape arrangement of the lateral wall of the boss.

Further, the side end of the cover plate has the extension extended outwardly, and the extension is located at the boss Outside.

Further, the extension is horizontal is disposed to extend.

Compared with prior art, the battery cap that the utility model is provided, pole is located in the through hole of cover plate, cylinder There is gap, sealing ring is filled in the gap, and sealing ring is filled in base and lid between lateral wall and the madial wall of through hole Between the lower surface of piece, so, and form bending for sealing ring itself, be filled between pole and cover plate so that Sealing effectiveness between pole and cover plate preferably, improves the sealing property of battery.

Brief description of the drawings

Fig. 1 is the cut-away illustration for the battery cap that the utility model embodiment is provided；

Fig. 2 is the enlarged diagram at the A in Fig. 1.

Embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain The utility model, is not used to limit the utility model.

Realization of the present utility model is described in detail below in conjunction with specific embodiment.

Referring to figs. 1 to shown in 2, preferred embodiment is provided for the utility model.

The battery cap that the utility model is provided can be used in lithium battery, can also be used in other batteries, and It is not limited only to one of which.

Battery cap includes cover plate 100, pole and sealing ring, wherein, cover plate 100 in the form of sheets, is provided with its cover plate 100 Through hole, the through hole runs through the upper end and lower end of cover plate 100, and pole is located in the through hole of cover plate 100.Pole includes base 103 and cylinder 102, the lower end of cylinder 102 is connected on base 103, and cylinder 102 is located in the through hole of cover plate 100, and post The upper end of body 102 extends to the top of cover plate 100, and base 103 is placed in the lower section of cover plate 100.Sealing ring is arranged on pole with leading to Between hole, and sealing ring is filled in the gap between the lateral wall of cylinder 102 and the madial wall of through hole, also, is filled in base 103 Between the lower surface of cover plate 100.

The battery cap of above-mentioned offer, pole is located in the through hole of cover plate 100, the lateral wall of cylinder 102 and through hole There is gap, sealing ring is filled in the gap, and sealing ring is filled in the following table of base 103 and cover plate 100 between madial wall Between face, so, and form bending for sealing ring itself, be filled between pole and cover plate 100 so that pole Sealing effectiveness between cover plate 100 preferably, improves the sealing property of battery.

Sealing ring includes upper ring body 104 and lower ring body 105, and the wherein perpendicular shape of upper ring body 104 is arranged, lower ring body 105 Horizontal arrangement, and upper ring body 104 is vertically connected on lower ring body 105, so, when sealing ring is arranged on pole and cover plate When between 100, in the gap of upper ring body 104 then between the lateral wall of cylinder 102 and the madial wall of through hole, lower ring body 105 Between lower surface and base 103 then as cover plate 100.

In order to further provide for sealing effectiveness, the upper end of upper ring body 104 and the upper surface flush arrangement of cover plate 100.

In the present embodiment, the two side ends of the upper surface of cover plate 100 form shape on boss 101, boss 101 respectively towards upper process Into there is installation table top, above-mentioned through hole is then formed in boss 101, so, is easy to wearing between pole and cover plate 100 to match somebody with somebody Close,

In the face-up concave shape of the following table of cover plate 100 into fluted 107, the groove 107 is located at the underface of boss 101, So, when pole and cover plate 100 coordinate, the upper end of the base 103 of pole is embedded in the groove 107, further increases pole Sealing between post and cover plate 100.

The lower end of above-mentioned base 103 can also be placed in groove 107, in the present embodiment, and the lower end line of base 103 exists The lower section of groove 107, so, is easy to base 103 to compress upward so that sealing ring is squeezed, it is further provided cover plate 100 Sealing effectiveness between pole.

Specifically, the two side ends of cover plate 100 bent projection upward respectively, and then form above-mentioned boss 101 and convex The groove 107 of the lower section of platform 101.

The madial wall of groove 107 protrudes arrangement towards the inside arc surfaced of groove 107, so, is easy to the bending of cover plate 100 to dash forward Manufacture is played, is easy to the formation of boss 101 and groove 107.

In the present embodiment, the perpendicular shape arrangement of lateral wall of boss 101, so, it is ensured that the boss 101 of formation is cylindrical Arrangement, is easy to the connection of boss 101 and outer member to coordinate.

The side end of cover plate 100 has the extension extended outwardly, and the extension is located at the outside of boss 101, so, right For cover plate 100, boss 101 will not form the end in cover plate 100, be easy to the processing of boss 101.Also, above-mentioned prolongs Stretch that section is horizontal to be disposed to extend.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims

1. battery cap, it is characterised in that including cover plate, pole and sealing ring, through hole, the pole are provided with the cover plate Including base and the cylinder being connected on the base, the cylinder is located in the through hole, and the base is placed in described The lower section of cover plate, the sealing ring formation is filled in the cylinder lateral wall and through hole between the pole and cover plate Gap between the wall of side and it is filled between the base and the lower surface of cover plate.

2. battery cap as claimed in claim 1, it is characterised in that the sealing ring includes the upper ring body that perpendicular shape is arranged And the lower ring body of horizontal arrangement, the upper ring body is connected on the lower ring body, and the upper ring body is filled in the post Gap between body lateral wall and through hole madial wall, the lower ring body is filled between the base and the lower surface of cover plate.

3. battery cap as claimed in claim 2, it is characterised in that the upper end of the upper ring body and the upper surface of the cover plate Flush arrangement.

4. the battery cap as described in any one of claims 1 to 3, it is characterised in that the face-up projection of upper table of the cover plate Boss is formed, the through hole formation is in the boss.

5. battery cap as claimed in claim 4, it is characterised in that the face-up concave shape of following table of the cover plate into groove, The groove is located at the underface of the boss, and the upper end of the base is embedded in the groove.

6. battery cap as claimed in claim 5, it is characterised in that the lower end of the base is emerging under the groove Side.

7. battery cap as claimed in claim 5, it is characterised in that inside cambered surface of the madial wall of the groove towards groove Shape protrudes arrangement.

8. battery cap as claimed in claim 4, it is characterised in that the perpendicular shape arrangement of lateral wall of the boss.

9. battery cap as claimed in claim 4, it is characterised in that the side end of the cover plate has the extension extended outwardly Section, the extension is located at the outside of the boss.

10. battery cap as claimed in claim 9, it is characterised in that the extension is horizontal to be disposed to extend.