Sealed lead storage battery

Abstract

The utility model belongs to the technical field of lead storage batteries, and particularly relates to a sealed lead storage battery which comprises a battery box body, a connecting cover, a battery cover, a cover plate and a terminal head, a movable sliding plate is connected to the battery cover in a sliding mode, the movable sliding plate is attached to the top end face of the battery cover, and the sliding cover corresponds to the terminal head. A circular plate is fixedly connected to the battery cover, a sealing groove is formed in the top of the circular ring seat, and a sealing ring matched with the sealing groove is fixedly connected to the bottom end of the terminal head; the position of the cover plate can be protected by moving the sliding plate and the pressing rod, the situation that temperature rise affects installation and sealing of the cover plate when the battery is used is prevented, then the sliding cover covers the terminal head, and an assembly capable of conducting sealing protection on the line connection position when the device conducts line connection is composed of the sealing ring, the circular ring base, the sealing groove and the inclined groove. And when water exists on the battery cover, the water is prevented from being in contact with the connection part of the terminal head and the circuit, and short circuit is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of lead-acid batteries, and in particular relates to a sealed lead-acid battery. Background Art

[0002] A lead-acid battery is a type of battery whose electrodes are mainly made of lead and its oxides, and whose electrolyte is a sulfuric acid solution. In the discharged state, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; in the charged state, the main components of the positive and negative electrodes are both lead sulfate. Lead-acid batteries can be divided into flooded type and valve-controlled sealed type. They have the advantages of high electromotive force, low internal resistance, and stable discharge voltage.

[0003] When existing lead-acid batteries are in use, the terminals are used to connect to the circuits, and the terminals are used to connect to external circuits to power external equipment. The terminals on the lead-acid batteries are directly connected to the circuits. The circuits are directly under the terminals and are fixed in position by pressure applied by the terminal heads. The circuits are directly on the shell. In rainy weather, when there is water on the surface, the water cannot be isolated, making the connection between the terminals and the circuits easily affected by water and prone to short circuits. At the same time, the cover plate installed on the battery cover is glued. When the battery is in use and heat is generated, the adhesion will be affected. At the same time, when the pressure inside the battery is too high, there is a risk of electrolyte penetration at the connection of the cover plate. Summary of the Invention

[0004] The utility model provides a sealed lead storage battery, which has the characteristics of simple and convenient use and high use efficiency.

[0005] The utility model provides the following technical solution: it includes a battery box, a connecting cover, a battery cover, a cover sheet and a terminal head, the battery cover can be sealed and installed on the top of the battery box through the connecting cover fixedly connected to the battery box, the cover sheet and the terminal head are installed on the battery cover, the battery cover is slidably connected with a movable slide, the movable slide is in contact with the top surface of the battery cover, the movable slide is threadedly connected with a pressure rod corresponding to the position of the cover sheet, the battery cover is slidably connected with a sliding cover, the sliding cover corresponds to the terminal head, the battery cover is fixedly connected with a circular plate, the circular plate is rotatably connected with a circular ring seat, the circular ring seat is slidably connected to the outer wall of the terminal head, a sealing groove is provided on the top of the circular ring seat, a sealing ring matching the sealing groove is fixedly connected to the bottom end of the terminal head, and an inclined groove for making way for the connecting line is provided on the outer wall of the circular ring seat.

[0006] Wherein, sliding grooves are provided at the connection points between the two ends of the battery cover and the movable slide, a limiting block matching the sliding grooves is fixedly connected to the movable slide, and a rotating plate is fixedly connected to the outer wall of the pressure rod.

[0007] The top of the battery cover is provided with an inner card slot, one side of the battery cover is provided with an outer card slot, and the sliding cover is fixedly connected with an outer card block and an inner card block corresponding to the outer card slot and the inner card slot respectively.

[0008] The top of the sliding cover is offset from the terminal head, and the terminal head is threadedly connected to the battery cover.

[0009] The top of the circular plate is fixedly connected with a rotating ring, the bottom of the circular ring seat is provided with a connecting ring groove matching the rotating ring, and the rotating ring is slidably connected to the connecting ring groove.

[0010] The beneficial effects of the utility model are as follows: the position of the cover can be protected by moving the slide plate and the pressure rod to prevent the temperature rise of the battery during use from affecting the installation and sealing of the cover; the sliding cover is then arranged on the terminal head; the sealing ring, the annular seat, the sealing groove and the inclined groove form an assembly that can seal and protect the line connection when the device is connected to the line, thereby preventing water from contacting the terminal head and the line connection when there is water on the battery cover, thereby avoiding short circuit.

[0011] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the movement of the movable slide and the sliding cover in the present invention;

[0014] Figure 3 This is a schematic diagram of the three-dimensional structure of the battery box in the present utility model;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the circular plate in the utility model.

[0016] In the figure: 1. Battery case; 11. Connecting cover; 12. Battery cover; 13. Cover plate; 14. Terminal head; 141. Sealing ring; 2. Moving slide; 21. Slide groove; 211. Limit block; 22. Press rod; 221. Rotating plate; 3. Sliding cover; 31. External clamping block; 32. Internal clamping block; 33. External clamping groove; 34. Internal clamping groove; 4. Circular plate; 41. Circular ring seat; 42. Sealing groove; 43. Inclined groove; 44. Rotating ring; 45. Connecting ring groove. DETAILED DESCRIPTION

[0017] See also Figure 1-Figure 4The utility model provides the following technical solutions: including a battery box 1, a connecting cover 11, a battery cover 12, a cover sheet 13 and a terminal head 14, the battery cover 12 can be sealed and installed on the top of the battery box 1 through the connecting cover 11 fixedly connected to the battery box 1, the battery cover 12 is installed with a cover sheet 13 and a terminal head 14, the battery cover 12 is slidably connected with a movable slide 2, the movable slide 2 is fitted with the top surface of the battery cover 12, the movable slide 2 is threadedly connected with a pressure rod 22 corresponding to the position of the cover sheet 13, the battery cover 12 is slidably connected with a sliding cover 3, the sliding cover 3 corresponds to the terminal head 14, the battery cover 12 is fixedly connected with a circular plate 4, the circular plate 4 is rotatably connected with a circular ring seat 41, the circular ring seat 41 is slidably connected to the outer wall of the terminal head 14, the top of the circular ring seat 41 is provided with a sealing groove 42, and the bottom end of the terminal head 14 is fixedly connected to the sealing groove 42 The outer wall of the matching sealing ring 141 and the annular seat 41 is provided with an inclined groove 43 for making way for the connecting line.

[0018] The cover 13 is located on the top of the battery box 12, which is used to observe and repair the interior of the battery box 1 when the battery is disassembled. The cover 13 is glued to the battery cover 12 to prevent the heat generated during use of the battery, which may cause the glue to be loose. In order to prevent the cover 13 from separating from the top of the battery cover 12, the movable slide 2 that can be slidably connected to the battery cover 12 can be located above the cover 13 to limit its position and prevent it from separating from the battery cover 12. At the same time, the position of the pressure rod 22 threadedly connected to the movable slide 2 can be reinforced. The pressure rod 22 is threadedly connected to the movable slide 2. When the pressure rod 22 is rotated, the position of the bottom end of the pressure rod 22 can be adjusted. By rotating the pressure rod 22, the position of the bottom end of the pressure rod 22 can be adjusted. The bottom position makes it apply pressure to the top surface of the cover sheet 13, avoiding that the adhesive is not firm after the battery is heated and affects the sealing of the cavity of the battery box 1, thereby preventing the electrolyte from leaking out. At the same time, the sliding plate 2 is moved to slide on the battery cover 12, and it can slide to make it misaligned with the cover sheet 13, so that the cover sheet 13 can be directly removed when it is necessary to view the interior of the battery box 1 for repair. The two terminal heads 14 installed on the battery cover 12 are used to install the circuit. By sleeveing the circuit on the outer wall of the terminal head 14, the height can be adjusted through the top of the terminal head 14, and pressure is applied to the circuit so that the circuit is pressed outside the terminal head 14 to ensure reliable connection of the circuit. When connecting the circuit, the circular ring seat 41 rotatably connected on the circular plate 4 can be outside the terminal head 14 to support the circuit, so that the top of the terminal head 14 is displaced downward to clamp the circuit on the circular ring seat 41 when pressure is applied to the circuit, avoiding the connection position being directly on the battery cover 12 and avoiding the battery cover 12 When there is water on the surface, the water contacts the terminal head 14 and the line connection to avoid a short circuit. At the same time, the inclined groove 43 provided on the annular seat 41 can make way for the line, and the sealing ring 141 docks in the sealing groove 42 to seal the top of the annular seat 41, so that the line connection is covered to prevent rainwater from flowing directly to the connection. At the same time, the annular seat 41 can be rotated to adjust the direction of the inclined groove 43, which can be adjusted according to the direction of the line to facilitate the connection of the terminal head 14 with the line.

[0019] Slots 21 are provided at the connection points between the two ends of the battery cover 12 and the movable slide 2. A limit block 211 that matches the slot 21 is fixedly connected to the movable slide 2, and a rotating plate 221 is fixedly connected to the outer wall of the pressure rod 22. The two ends of the battery cover 12 are connected to the movable slide 2 through the slots 21 and the limit block 211, so that the movable slide 2 is limited in position and slides horizontally on the battery cover 12 to limit the cover plate 13, while preventing the movable slide 2 from separating from the battery cover 12.

[0020] An inner card slot 34 is provided at the top of the battery cover 12, and an outer card slot 33 is provided on one side of the battery cover 12. An outer card block 31 and an inner card block 32 corresponding to the outer card slot 33 and the inner card slot 34, respectively, are fixedly connected to the sliding cover 3; the inner card slot 34 provided at the top of the battery cover 12 and the outer card slot 33 provided on one side limit the inner card block 32 and the outer card block 31 fixedly connected to the sliding cover 3, so that the sliding cover 3 is supported and can be located above the terminal head 14, thereby increasing the protection effect of the position of the terminal head 14. At the same time, when making a line connection, the sliding cover 3 can be separated from the battery cover 12 by sliding to make way for the line connection.

[0021] The top of the sliding cover 3 is offset from the terminal head 14, and the terminal head 14 is threadedly connected to the battery cover 12; the top of the sliding cover 3 is offset from the terminal head 14, so that the sliding cover 3 can be placed on the terminal head 14 to protect its position. The terminal head 14 is threadedly connected to the battery cover 12, so that the height of the top of the terminal head 14 can be adjusted to clamp the circuit.

[0022] A rotating ring 44 is fixedly connected to the top of the circular plate 4, and a connecting ring groove 45 matching the rotating ring 44 is opened at the bottom of the circular ring seat 41. The rotating ring 44 is slidably connected to the connecting ring groove 45; the rotating ring 44 fixedly connected to the top of the circular plate 4 can be connected to the connecting ring groove 45 opened at the bottom of the circular ring seat 41, so that the circular ring seat 41 rotates on the rotating ring 44, and the rotating ring 44 and the connecting ring groove 45 slide in contact with each other, so that the circular ring seat 41 can rotate to adjust the direction of the inclined groove 43.

[0023] The working principle and use process of the present invention are as follows: the movable slide plate 2 connected by sliding on the battery cover 12 can slide to the position on the cover plate 13, and then the pressure rod 22 is rotated to adjust the position of the bottom end of the pressure rod 22 to apply pressure to the top surface of the cover plate 13 to avoid that the adhesive is not strong enough to affect the sealing of the battery box cavity 1 after the battery is heated, thereby preventing the electrolyte from leaking out. The circular ring seat 41 rotatably connected on the circular plate 4 can be outside the terminal head 14 to support the circuit to avoid that when there is water on the battery cover 12, the water contacts the terminal head 14 and the circuit connection to avoid a short circuit. At the same time, the inclined groove 43 opened on the circular ring seat 41 can make way for the circuit, and the sealing ring 141 is docked in the sealing groove 42 to seal the top of the circular ring seat 41, so that the circuit connection is covered to prevent rainwater from flowing directly to its connection. At the same time, the rotation of the circular ring seat 41 can adjust the direction of the inclined groove 43, which can be adjusted according to the direction of the circuit to facilitate the terminal head 14 Connect to the line.

Claims

1. A sealed lead-acid battery comprising a battery box (1), a connection cover (11), a battery cover (12), a cover plate (13) and a terminal head (14), characterized in that: The battery cover (12) can be sealed and mounted on the top of the battery box (1) through the connection cover (11) fixedly connected to the battery box (1). A cover sheet (13) and a terminal head (14) are mounted on the battery cover (12). A movable slide (2) is slidably connected to the battery cover (12). The movable slide (2) fits the top surface of the battery cover (12). A pressure rod (22) corresponding to the position of the cover sheet (13) is threadedly connected to the movable slide (2). The battery cover (12) is slidably connected to a sliding cover. (3), the sliding cover (3) corresponds to the terminal head (14), a circular plate (4) is fixedly connected to the battery cover (12), a circular plate (4) is rotatably connected to the circular plate (4), the circular plate (4) is slidably connected to the outer wall of the terminal head (14), a sealing groove (42) is provided on the top of the circular plate (41), a sealing ring (141) matching the sealing groove (42) is fixedly connected to the bottom end of the terminal head (14), and an inclined groove (43) for making way for the connection line is provided on the outer wall of the circular plate (41).

2. The sealed lead-acid battery according to claim 1, wherein: Slide grooves (21) are provided at the connection points between the two ends of the battery cover (12) and the movable slide plate (2); a limit block (211) matching the slide groove (21) is fixedly connected to the movable slide plate (2); and a rotating plate (221) is fixedly connected to the outer wall of the pressure rod (22).

3. The sealed lead-acid battery according to claim 1, wherein: An inner card slot (34) is provided on the top of the battery cover (12), an outer card slot (33) is provided on one side of the battery cover (12), and an outer card block (31) and an inner card block (32) corresponding to the outer card slot (33) and the inner card slot (34), respectively, are fixedly connected to the sliding cover (3).

4. The sealed lead-acid battery according to claim 1, wherein: The top of the sliding cover (3) is offset from the terminal head (14), and the terminal head (14) is threadedly connected to the battery cover (12).

5. The sealed lead-acid battery according to claim 1, wherein: A rotating ring (44) is fixedly connected to the top of the circular plate (4), and a connecting ring groove (45) matching the rotating ring (44) is provided at the bottom of the circular ring seat (41). The rotating ring (44) is slidably connected to the connecting ring groove (45).

Images