Convenient-to-install high-sealing terminal sleeve for storage battery

Abstract

The utility model relates to the technical field of storage batteries, in particular to a convenient-to-install high-sealing terminal sleeve for a storage battery, which comprises a battery cover and an electrode terminal arranged at the top of the battery cover, and further comprises a sealing cylinder, a limiting ball, a sealing ring, a positioning ring, a sealing cover and a valve pipe, the limiting ball is arranged in the sealing cylinder, and the sealing ring is arranged on the outer side of the electrode terminal; the sealing ring and the positioning ring are installed under the action of the sealing cylinder, the sealing ring and the positioning ring have good elasticity and sealing performance, the sealing ring and the positioning ring are designed to be tightly attached to the outer wall of the electrode terminal to form a first sealing layer, and when the sealing ring and the positioning ring are installed on the electrode terminal, the sealing ring and the positioning ring can be compressed and tightly embedded into the first sealing groove; and finally, the sealing cover is connected with the sealing cylinder through the internal thread groove and makes contact with the positioning ring, a second sealing layer is formed, and the integrity of overall sealing is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery, specifically relates to a high sealing terminal sleeve for battery convenient to install. BACKGROUND

[0002] The battery is a kind of chemical energy conversion into electrical energy device, also called secondary battery or lead-acid battery. Its working principle is through reversible chemical reaction realizes recharge, i.e. when charging, using external electric energy makes internal active material regeneration, stores electric energy as chemical energy, needs discharge again and converts chemical energy into electric energy output. Battery is widely used in the field such as automobile, electric bicycle, smart phone.

[0003] Chinese patent publication No. CN203242678U discloses a kind of lead-acid battery electrode terminal identification, for lead-acid battery field, solve the problem that red, blue glue exists, including the terminal sleeve in battery cover, the battery cover has the terminal hole for electrode terminal to stretch out, the terminal sleeve has the axial inner hole matched with electrode terminal, the terminal sleeve is assembled in terminal hole and is fixedly connected by sealing glue. Red, blue glue is replaced by terminal sleeve. It is used for the positive and negative identification of maintenance-free lead-acid battery.

[0004] However, the electrode terminal sleeve of the lead-acid battery has poor sealing performance when in use, which cannot effectively isolate the electrode terminal from the external environment, thereby failing to effectively prevent liquid leakage and external pollutants from entering. UTILITY MODEL CONTENTS

[0005] In view of the above problems, a high sealing terminal sleeve for battery convenient to install is provided, which installs a sealing ring and a positioning ring under the action of a sealing cylinder. The sealing ring and the positioning ring have good elasticity and sealing performance, and they are designed to closely fit the outer wall of the electrode terminal to form a first sealing layer. When the sealing ring and the positioning ring are installed on the electrode terminal, they will be compressed and tightly embedded in the first sealing groove, further enhancing the sealing effect. Finally, the sealing cover is connected with the sealing cylinder through the internal thread groove and is in contact with the positioning ring to form a second sealing layer, ensuring the integrity of the overall sealing.

[0006] To solve the problems in the prior art, the utility model provides a kind of high sealing terminal sleeve for battery convenient to install, including battery cover and the electrode terminal being set in the top of battery cover, high sealing terminal sleeve further includes sealing cylinder, limit ball, sealing ring, positioning ring, sealing cover and valve pipe, the sealing cylinder is set at the periphery of electrode terminal, the limit ball is set in sealing cylinder interior, the sealing ring is set at the outside of electrode terminal, the number of the sealing ring is set to two, the positioning ring is set at the top of sealing ring, the sealing cover is set above positioning ring, the valve pipe is set in sealing cover interior.

[0007] Preferably, the outer side of the sealing cylinder is annularly provided with a transverse groove, and the limiting ball is matched with the transverse groove.

[0008] Preferably, the outer wall of the electrode terminal is annularly provided with a clamping groove matched with the limiting ball, and the limiting ball is connected with the inner wall of the transverse groove of the sealing cylinder through a reset spring.

[0009] Preferably, the inside of the sealing cylinder is provided with a first sealing groove matched with the sealing ring and the positioning ring.

[0010] Preferably, the sealing ring and the positioning ring are both made of rubber material, and the sealing ring is coaxially arranged with the positioning ring.

[0011] Preferably, the inside of the sealing cylinder is provided with an inner thread groove above the inside, the inner thread groove is matched with the sealing cover, and the sealing cover is in contact with the positioning ring.

[0012] Preferably, the top of the sealing cover is provided with a threaded hole matched with the valve pipe, the outer side of the valve pipe is fixedly connected with a limiting plate matched with the sealing cover, and one end of the valve pipe is provided with a valve.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] When in use, the sealing cylinder is placed around the electrode terminal, then the sealing ring and the positioning ring are installed under the action of the sealing cylinder, the sealing ring and the positioning ring have good elasticity and sealing performance, they are designed to closely adhere to the outer wall of the electrode terminal, form the first sealing layer, meanwhile, the first sealing groove in the inside of the sealing cylinder is matched with the sealing ring and the positioning ring, when the sealing ring and the positioning ring are installed on the electrode terminal, they will be compressed and closely embedded in the first sealing groove, further enhance the sealing effect, finally, the sealing cover is connected with the sealing cylinder through the inner thread groove and is in contact with the positioning ring, forms the second sealing layer, ensures the integrity of the overall sealing. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a kind of high sealing terminal sleeve for storage battery of product overall structure schematic diagram.

[0016] Figure 2 It is a kind of sealing cylinder sectional view structure schematic diagram of high sealing terminal sleeve for storage battery of convenient installation.

[0017] Figure 3 It is a kind of sealing cylinder explosion structure schematic diagram of high sealing terminal sleeve for storage battery of convenient installation.

[0018] Figure 4 It is a kind of sealing cylinder installation structure schematic diagram of high sealing terminal sleeve for storage battery of convenient installation.

[0019] Figure 5 It is a schematic view of a sealing ring and positioning ring installation structure of a high-sealing terminal sleeve for a storage battery.

[0020] Figure 6 It is a schematic view of a valve pipe installation structure of a high-sealing terminal sleeve for a storage battery.

[0021] The figure marks are: 1, battery cover; 2, electrode terminal; 3, sealing cylinder; 4, limiting ball; 5, sealing ring; 6, positioning ring; 7, sealing cover; 8, valve pipe; 9, first sealing groove; 10, internal thread groove; 11, limiting plate; 12, valve. DETAILED DESCRIPTION

[0022] In order to further understand the characteristics, technical means and specific purposes and functions achieved by the utility model, the utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0023] Please refer to Figures 1 to 6 A high-sealing terminal sleeve for a storage battery is convenient to install, which comprises a battery cover 1 and electrode terminals 2 arranged on the top of the battery cover 1, and further comprises a sealing cylinder 3, a limiting ball 4, a sealing ring 5, a positioning ring 6, a sealing cover 7 and a valve pipe 8. The sealing cylinder 3 is arranged on the periphery of the electrode terminals 2, the limiting ball 4 is arranged inside the sealing cylinder 3, the sealing ring 5 is arranged on the outside of the electrode terminals 2, the number of the sealing ring 5 is two, the positioning ring 6 is arranged on the top of the sealing ring 5, the sealing cover 7 is arranged above the positioning ring 6, and the valve pipe 8 is arranged inside the sealing cover 7.

[0024] When in use, the sealing cylinder 3 is placed on the periphery of the electrode terminals 2, then the sealing ring 5 and the positioning ring 6 are installed under the action of the sealing cylinder 3. The sealing ring 5 and the positioning ring 6 have good elasticity and sealing performance, and they are designed to closely fit the outer wall of the electrode terminals 2 to form a first sealing layer. At the same time, the first sealing groove 9 inside the sealing cylinder 3 is matched with the sealing ring 5 and the positioning ring 6. When the sealing ring 5 and the positioning ring 6 are installed on the electrode terminals 2, they will be compressed and closely embedded in the first sealing groove 9 to further enhance the sealing effect. Finally, the sealing cover 7 is connected with the sealing cylinder 3 through the internal thread groove 10 and is in contact with the positioning ring 6 to form a second sealing layer, thereby ensuring the integrity of the overall sealing.

[0025] As shown in Figure 2 and Figure 4 , a horizontal groove is arranged on the outside of the sealing cylinder 3 in a ring shape, the limiting ball 4 is matched with the horizontal groove, a clamping groove which is matched with the limiting ball 4 is arranged on the outer wall of the electrode terminals 2 in a ring shape, and the limiting ball 4 is connected with the inner wall of the horizontal groove of the sealing cylinder 3 through a return spring.

[0026] The limiting ball 4 is located in the transverse groove inside the sealing cylinder 3 and is connected with the inner wall of the transverse groove through the reset spring. When the electrode terminal 2 is inserted into the sealing cylinder 3, the limiting ball 4 will be bounced into the clamping groove on the outer wall of the electrode terminal 2, so as to realize the limiting and fixing of the electrode terminal 2. If it is needed to remove or install the electrode terminal 2, the electrode terminal 2 can be pulled out slightly with force, so that the limiting ball 4 is returned to the transverse groove under the action of the reset spring, thereby releasing the electrode terminal 2 and facilitating the disassembly and assembly of the product.

[0027] As shown in Figure 5 , the inside of the sealing cylinder 3 is provided with a first sealing groove 9, and the first sealing groove 9 is matched with the sealing ring 5 and the positioning ring 6.

[0028] The sealing ring 5 and the positioning ring 6 are tightly attached to the outer wall of the electrode terminal 2 and are compressed and embedded in the first sealing groove 9, so that the sealing performance of the product is enhanced.

[0029] As shown in Figure 2 and Figure 3 , the sealing ring 5 and the positioning ring 6 are both made of rubber material, and the sealing ring 5 is coaxially arranged with the positioning ring 6.

[0030] The sealing ring 5 and the positioning ring 6 are made of rubber material and have good elasticity and sealing performance.

[0031] As shown in Figure 2 , the inside of the sealing cylinder 3 is provided with an internal thread groove 10 above, and the internal thread groove 10 is matched with the sealing cover 7, and the sealing cover 7 is in contact with the positioning ring 6.

[0032] The sealing cover 7 is connected with the sealing cylinder 3 through the internal thread groove 10 and is in contact with the positioning ring 6, thereby forming a second sealing layer and ensuring the integrity of the overall sealing.

[0033] As shown in Figure 2 and Figure 6 , the top of the sealing cover 7 is provided with a threaded hole matched with the valve pipe 8, the outer side of the valve pipe 8 is fixedly connected with a limiting plate 11 matched with the sealing cover 7, and one end of the valve pipe 8 is provided with a valve 12.

[0034] When it is needed to balance the pressure inside and outside the battery, the opening and closing of the valve pipe 8 can be controlled through the valve 12 to release or introduce gas.

[0035] The above embodiments only express one or several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A high-sealing terminal sleeve for a storage battery that is easy to install, comprising a battery cover (1) and electrode terminals (2) disposed on the top of the battery cover (1), characterized in that: The high-sealing terminal sleeve also includes a sealing cylinder (3), a limiting ball (4), a sealing ring (5), a positioning ring (6), a sealing cover (7), and a valve tube (8). The sealing cylinder (3) is located on the periphery of the electrode terminal (2), the limiting ball (4) is located inside the sealing cylinder (3), the sealing ring (5) is located on the outside of the electrode terminal (2), and there are two sealing rings (5). The positioning ring (6) is located on top of the sealing ring (5), the sealing cover (7) is located above the positioning ring (6), and the valve tube (8) is located inside the sealing cover (7).

2. The high-sealing terminal sleeve for a storage battery that is easy to install according to claim 1, characterized in that: The outer side of the sealing cylinder (3) is provided with a transverse groove, and the limiting ball (4) matches the transverse groove.

3. A high-sealing terminal sleeve for a storage battery that is easy to install according to claim 2, characterized in that: The outer wall of the electrode terminal (2) is provided with a groove that matches the limiting ball (4). The limiting ball (4) is connected to the inner wall of the transverse groove of the sealing cylinder (3) through a reset spring.

4. A high-sealing terminal sleeve for a storage battery that is easy to install according to claim 3, characterized in that: The sealing cylinder (3) has a first sealing groove (9) inside, which matches the sealing ring (5) and the positioning ring (6).

5. A high-sealing terminal sleeve for a storage battery that is easy to install according to claim 4, characterized in that: Both the sealing ring (5) and the positioning ring (6) are made of rubber material, and the sealing ring (5) and the positioning ring (6) are coaxially arranged.

6. A high-sealing terminal sleeve for a storage battery that is easy to install according to claim 5, characterized in that: The sealing cylinder (3) has an internal thread groove (10) on its upper interior. The internal thread groove (10) matches the sealing cover (7), and the sealing cover (7) is in contact with the positioning ring (6).

7. A high-sealing terminal sleeve for a storage battery that is easy to install according to claim 6, characterized in that: The top of the sealing cover (7) is provided with a threaded hole that matches the valve tube (8). A limiting plate (11) that fits the sealing cover (7) is fixedly connected to the outside of the valve tube (8). A valve (12) is provided at one end of the valve tube (8).

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