CN211743199U

CN211743199U - Storage battery pole column sealing structure

Info

Publication number: CN211743199U
Application number: CN202020205515.6U
Authority: CN
Inventors: 刘焯; 宋文龙; 樊靖园; 王超; 刘克宇; 汤序锋; 袁关锐; 曹星宇; 曹龙泉; 陈羽婷
Original assignee: Tianneng Battery Group Co Ltd
Current assignee: Tianneng Battery Group Co Ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-10-23
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses a storage battery pole column sealing structure, a first sealing ring is sleeved on the end pole column at the bottom surface of a glue groove, a pressure pad nut which compresses the first sealing ring from the upper part is sleeved on the part of the end pole column in the glue groove, the outer peripheral surface of the pressure pad nut is provided with an external thread, correspondingly, the inner peripheral surface of the glue groove is provided with an internal thread; the inner peripheral surface of the rubber groove is further provided with a step structure, a second sealing ring is arranged at the step structure, and a pressing ring used for being matched with the step structure to press the second sealing ring is arranged on the outer peripheral surface of the pressing pad nut. The utility model discloses battery utmost point post seal structure replaces the lead bush wearing to overlap on holding utmost point post through the setting of pressure pad nut, then carries out double sealing through first sealing washer and the second sealing washer that compresses tightly with the pressure pad nut, and the vacant space of gluing the inslot is filled with sealed glue, ensures sealed effect, avoids taking place to climb sour.

Description

Storage battery pole column sealing structure

Technical Field

The utility model relates to a battery structure technical field especially relates to a battery post seal structure.

Background

The lead storage battery mainly comprises electrolyte, a battery jar and a polar group, wherein the electrolyte of the lead storage battery is sulfuric acid solution, the polar group mainly comprises a positive plate, a negative plate and a partition plate, and the partition plate mainly stores the electrolyte and serves as a gas channel for compounding oxygen to prevent active substances from falling off and prevent short circuit between the positive and negative electrodes. The pole group is provided with a bus bar and a lead gap bridge to connect all the pole groups in series, the pole groups at two ends are connected with a terminal post, the terminal post penetrates through a pole post hole on a battery tank cover to serve as a positive output end and a negative output end (input end), in order to seal the terminal post and the pole post hole, and ensure that internal acid liquid is not leaked out, in the prior art, a glue tank (terminal tank) is generally arranged on the tank cover, the pole post hole is arranged at the bottom of the glue tank, an O-shaped sealing ring is sleeved on a part extending into the glue tank after the terminal post penetrates through the pole post hole, and then sealant is poured into the glue tank.

The utility model discloses an authorization notice number is CN205900611U provides a lead acid battery upper cover lead sheathing seal structure, highly sets up a plurality of annular grooves in the lead sheathing, and the sealing washer that uses the metal to be base member cladding hot melt elastic material is placed to the lead sheathing bottom. According to the technical scheme, the lead sleeve is sleeved on the end pole in a penetrating manner and then is welded and fixed with the end pole, so that the step of welding is increased, and acid leakage is easy to occur.

The utility model discloses a lead accumulator end utmost point post seal structure for CN207967070U is announced in authorization, including capping and end utmost point post, be provided with gluey groove on the capping, the bottom surface in gluey groove has the utmost point post hole that supplies end utmost point post to pass, the spacing ring that has the butt capping bottom surface on the end utmost point post is equipped with between spacing ring and the capping and wears the first sealing washer of cover on the end utmost point post, the surface of the first sealing washer of spacing ring contact is provided with the ring gear that a plurality of first sealing washers of extrusion take place deformation. Above-mentioned increase the spacing ring on the utmost point post hole among the prior art, be equipped with between spacing ring and the capping and wear the first sealing washer of cover on the end utmost point post, when having increased the leakproofness, also increased the complexity of end utmost point post, increased the manufacturing degree of difficulty.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the invention provides a storage battery pole sealing structure.

A storage battery pole post sealing structure comprises a groove cover and an end pole post, wherein a glue groove is formed in the groove cover, a pole post hole through which the end pole post passes is formed in the bottom surface of the glue groove, a first sealing ring penetrates through the position, located on the bottom surface of the glue groove, of the end pole post, a first inclined surface inclined towards the pole post hole is formed in the bottom surface of the glue groove, and a second inclined surface matched with the first inclined surface is formed in the first sealing ring; the part of the end pole column, which is positioned in the rubber groove, is sleeved with a pressure pad nut which compresses the first sealing ring from the upper part in a penetrating manner, the outer peripheral surface of the pressure pad nut is provided with an external thread, and correspondingly, the inner peripheral surface of the rubber groove is provided with an internal thread; the inner peripheral surface of the rubber groove is further provided with a step structure, a second sealing ring is arranged at the step structure, and a pressing ring used for being matched with the step structure to press the second sealing ring is arranged on the outer peripheral surface of the pressing pad nut.

Preferably, the top surface of the first sealing ring is provided with a plane matched with the pressure pad nut, and a first groove and a first convex ring which are matched with each other are arranged between the first sealing ring and the pressure pad nut.

Preferably, the cross section of the second sealing ring is square, and a second groove and a second convex ring which are matched with each other are arranged between the second sealing ring and the step structure. More preferably, a third groove and a third convex ring which are matched with each other are arranged between the second sealing ring and the pressing ring.

Preferably, the top surface of the pressure pad nut is provided with a wrench action position.

Preferably, a gap for the sealant to enter is formed between the pressure pad nut and the end pole.

Preferably, a groove for the sealant to enter is formed between the inner peripheral surface of the glue groove and the pressure pad nut. More preferably, the grooves are arranged around the inner circumferential surface of the glue groove at intervals.

The utility model discloses battery utmost point post seal structure replaces the lead bush wearing to overlap on holding utmost point post through the setting of pressure pad nut, then carries out double sealing through first sealing washer and the second sealing washer that compresses tightly with the pressure pad nut, and the vacant space of gluing the inslot is filled with sealed glue, ensures sealed effect, avoids taking place to climb sour.

Drawings

Fig. 1 is the local explosion diagram of the battery post sealing structure of the utility model on the battery.

Fig. 2 is the utility model discloses storage battery post seal structure's sectional structure schematic diagram.

Fig. 3 is a partial enlarged view of a in fig. 2.

Fig. 4 is a partial enlarged view of B in fig. 2.

Fig. 5 is a schematic perspective view of a pressure pad nut.

Fig. 6 is a perspective view of the pressure pad nut from another perspective.

FIG. 7 is a cross-sectional view of a pressure pad nut.

Fig. 8 is the utility model discloses the top view of battery utmost point post seal structure glue groove department.

Detailed Description

As shown in fig. 1 to 8, a battery post sealing structure includes a groove cover 2 and an end post 3, the groove cover 2 is provided with a glue groove 4, the bottom surface of the glue groove 4 is provided with a post hole 41 for the end post 3 to pass through, a first sealing ring 5 is sleeved on the end post 3 at the bottom surface of the glue groove 4, the bottom surface of the glue groove 4 is provided with a first inclined surface 42 inclined towards the post hole 3, and the first sealing ring 5 is provided with a second inclined surface 51 matched with the first inclined surface 51; the part of the end pole 3, which is positioned in the glue groove 4, is sleeved with a pressure pad nut 6 which compresses the first sealing ring 5 from the upper part, the outer peripheral surface of the pressure pad nut 6 is provided with external threads, and correspondingly, the inner peripheral surface of the glue groove 4 is provided with internal threads; the inner peripheral surface of the rubber groove 4 is also provided with a step structure 43, the step structure 43 is provided with a second sealing ring 7, and the outer peripheral surface of the pressure pad nut 6 is provided with a pressing ring 61 which is used for being matched with the step structure 43 to press the second sealing ring 7. The utility model discloses battery post seal structure replaces lead sleeve cover through setting up of pressure pad nut 6 and wears to overlap on end utmost point post 3, then carries out double seal through first sealing washer 5 and the second sealing washer 7 that compresses tightly with pressure pad nut 6, and the vacant space in gluey groove 4 is filled with sealed glue 9, ensures sealed effect, avoids taking place to climb sour.

As shown in fig. 1, the utility model discloses the local explosion picture of battery utmost point post seal structure in the battery, wherein sealed glue 9 that fills is not drawn, and the battery includes cell body 1 and the capping 2 that covers each other and close, is equipped with utmost point crowd in the cell body 1, has two end utmost point posts 3 (anodal and negative pole) in the gluey groove 4 that stretches out the capping 2 on the utmost point crowd.

As shown in fig. 2 to 4, the top surface of the first seal ring 5 has a plane surface matched with the pressure pad nut 6, and a first groove 52 and a first convex ring 62 matched with each other are arranged between the first seal ring 5 and the pressure pad nut 6. The cross section of the second sealing ring 7 is square, and a second groove 71 and a second convex ring 44 which are matched with each other are arranged between the second sealing ring 7 and the step structure 43. A third groove 72 and a third convex ring 63 which are matched with each other are arranged between the second sealing ring 7 and the pressing ring 61. In order to enhance the sealing effect, a gap 8 for the sealant 9 to enter is arranged between the pressure pad nut 6 and the terminal post 3. In order to increase the acid-climbing path and further enhance the sealing effect, the outer peripheral surface of the terminal post 3 is provided with an annular groove 31, and the sealant 9 can enter the annular groove 31.

As shown in fig. 5 and 6, the top surface of the pressure pad nut 6 is provided with a wrench action site 64. The wrench action position 64 comprises a plurality of grooves, the pressure pad nut 6 can be screwed and assembled into the rubber groove 4 by using a special wrench, and the special wrench only needs to be provided with a plurality of convex blocks matched with the wrench action position 64.

As shown in fig. 8, a groove 45 for the sealant 9 to enter is provided between the inner circumferential surface of the sealant tank 4 and the pressure washer nut 6. The grooves 45 are arranged around the inner circumferential surface of the glue groove 4 at intervals. The setting of recess 45 can fill into sealed glue 9 after the assembly of pressure pad nut 6 is accomplished, sealed glue 9 enters into recess 45 to can prevent to press pad nut 6 in the battery use and kick-back towards the opposite direction rotation, not hard up deviating from in the gluey groove 4 promptly, destroy whole seal structure.

Claims

1. A storage battery pole post sealing structure comprises a groove cover and an end pole post, wherein a glue groove is formed in the groove cover, and a pole post hole through which the end pole post passes is formed in the bottom surface of the glue groove; the part of the end pole column, which is positioned in the rubber groove, is sleeved with a pressure pad nut which compresses the first sealing ring from the upper part in a penetrating manner, the outer peripheral surface of the pressure pad nut is provided with an external thread, and correspondingly, the inner peripheral surface of the rubber groove is provided with an internal thread; the inner peripheral surface of the rubber groove is further provided with a step structure, a second sealing ring is arranged at the step structure, and a pressing ring used for being matched with the step structure to press the second sealing ring is arranged on the outer peripheral surface of the pressing pad nut.

2. The battery post sealing structure according to claim 1, wherein the top surface of the first sealing ring has a flat surface for engaging with the pressure pad nut, and a first groove and a first convex ring are provided between the first sealing ring and the pressure pad nut for engaging with each other.

3. The battery post sealing structure according to claim 1, wherein the second sealing ring has a square cross section, and a second groove and a second convex ring which are fitted with each other are provided between the second sealing ring and the stepped structure.

4. The battery post sealing structure according to claim 3, wherein a third groove and a third convex ring which are matched with each other are provided between the second sealing ring and the pressing ring.

5. The battery post sealing structure according to claim 1, wherein a wrench action position is provided on a top surface of the pressure pad nut.

6. The battery post seal structure of claim 1, wherein a gap is provided between the pressure pad nut and the end post for sealant to enter.

7. The battery post sealing structure according to claim 1, wherein a groove for the sealant to enter is provided between the inner peripheral surface of the sealant groove and the pressure washer nut.

8. The battery post sealing structure according to claim 7, wherein the plurality of grooves are provided at intervals around the inner circumferential surface of the rubber groove.