Safety valve structure of storage battery

Abstract

The utility model discloses a safety valve structure of a storage battery, which comprises a mounting cover and a valve seat, the valve seat is mounted inside the mounting cover, a locking plate is mounted at the top of the mounting cover and the top of the valve seat, the locking plate is fixedly connected with the mounting cover, and the locking plate is spliced with the valve seat; a locking piece is arranged at the bottom of the locking piece, a locking groove allowing the locking piece to be inserted therein is formed in the top of the valve seat, a check block capable of being connected to the locking piece in an abutting mode is installed at a groove opening of the locking groove, and a reinforcing component is arranged in the locking groove. The utility model has the beneficial effects that the lock block is inserted into the lock groove along the stop block, the lock block is limited by the stop block, when the lock block is inserted into the lock groove, the connecting sheets are extruded, the connecting sheets drive the fixed sheet to extrude the spring after being extruded, the spring is reset after being extruded, the fixed sheet is driven to move, and the two connecting sheets are clamped on the lock block to reinforce the lock block; the splicing stability of the locking plate and the mounting cover is improved through the screw, and relative rotation between the mounting cover and the valve seat is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of storage batteries, and in particular relates to a safety valve structure of a storage battery. Background Art

[0002] The battery safety valve plays a vital role in protecting the safe and stable operation of the battery.

[0003] The patent discloses a battery safety valve structure with a publication number of CN207282594U, which includes a mounting cover, a valve seat, and a locking plate. The mounting cover is provided with a column hole, the valve seat is inserted in the column hole, and a plurality of mounting cover locking grooves are evenly distributed on the upper edge of the column hole. The valve seat is provided with an exhaust hole, and a plurality of mounting holes are evenly distributed on the upper end surface of the valve seat. A plurality of valve seat locking grooves corresponding to the mounting cover locking grooves are evenly distributed on the upper outer edge of the valve seat. Each pair of mounting cover locking grooves and valve seat locking grooves constitute an anti-loosening groove. A plurality of mounting columns corresponding to the mounting holes and a plurality of locking columns corresponding to the anti-loosening grooves are provided on the lower surface of the locking plate. The mounting columns are inserted in the mounting holes; the locking columns are inserted in the anti-loosening grooves with clearance fit, thereby achieving locking to prevent relative rotation between the valve seat and the mounting cover.

[0004] The existing safety valve structure of the battery is inserted into the anti-loosening groove through the clearance of the lock column to achieve locking to prevent the relative rotation between the valve seat and the mounting cover. The plug-in locking method will cause relative rotation between the valve seat and the mounting cover over time. Utility Model Content

[0005] The utility model aims to provide a safety valve structure of a battery, which can prevent the relative rotation between the valve seat and the mounting cover caused by a long period of time.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety valve structure of a battery, comprising a mounting cover and a valve seat, wherein the valve seat is mounted inside the mounting cover, a locking plate is mounted on the top of the mounting cover and the valve seat, the locking plate is fixedly connected to the mounting cover, and the locking plate and the valve seat are spliced.

[0007] Preferably, a locking block is provided at the bottom of the locking plate, a locking groove for inserting the locking block is provided at the top of the valve seat, a stopper that can abut against the locking block is installed at the notch of the locking groove, and a reinforcing component is provided inside the locking groove.

[0008] Preferably, the reinforcing component comprises a fixing plate, a side surface of which is provided with a connecting plate, and the connecting plate can abut against a side surface of the locking block, and an inner side surface of the locking groove is provided with a spring connected to the fixing plate.

[0009] Preferably, the connecting piece is a trapezoidal structure, and a gap is left between the connecting piece and the bottom of the locking groove.

[0010] Preferably, a sealing gasket is sleeved on the valve seat, and an outer wall of the valve seat is provided with an external thread.

[0011] Preferably, the inner wall of the mounting cover is provided with an internal thread, and the valve seat and the mounting cover are meshingly connected.

[0012] Preferably, it further comprises screws, and the locking plate and the mounting cover are connected by the screws.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The locking block is inserted into the locking groove along the stopper, and the stopper limits the locking block. When the locking block is inserted into the locking groove, the connecting piece is squeezed. After the connecting piece is squeezed, it drives the fixing piece to squeeze the spring. After the spring is squeezed, it resets, drives the fixing piece to move, and makes the two connecting pieces clamped on the locking block to reinforce the locking block. The screws are used to increase the firmness of the splicing of the locking piece and the mounting cover to prevent relative rotation between the mounting cover and the valve seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0017] Figure 3 For the utility model Figure 2 Schematic diagram of the enlarged structure of the E region;

[0018] In the figure: 1, installation cover; 2, valve seat; 21, lock groove; 210, spring; 3, locking plate; 31, locking block; 4, screw; 5, sealing gasket; 6, stopper; 7, fixing plate; 71, connecting plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] See also Figure 1-Figure 3, is the first embodiment of the utility model, which provides a safety valve structure of a battery, including a mounting cover 1 and a valve seat 2. The valve seat 2 is mounted inside the mounting cover 1. A locking piece 3 is installed on the top of the mounting cover 1 and the valve seat 2. The locking piece 3 is used to lock the spliced ​​valve seat 2 and mounting cover 1. The locking piece 3 is fixedly connected to the mounting cover 1, and the locking piece 3 and the valve seat 2 are spliced.

[0022] In this embodiment, preferably, a locking block 31 is provided at the bottom of the locking plate 3, thereby realizing the addition of the locking block 31, and a locking groove 21 for inserting the locking block 31 is opened at the top of the valve seat 2, thereby realizing the opening of the locking groove 21, and a stopper 6 that can abut against the locking block 31 is installed at the notch of the locking groove 21. When the locking plate 3 and the valve seat 2 are spliced, the locking block 31 is inserted into the locking groove 21 along the stopper 6, and the stopper 6 limits the locking block 31.

[0023] In this embodiment, preferably, a sealing gasket 5 is sleeved on the valve seat 2, and the sealing gasket 5 increases the local sealing when the valve seat 2 and the installation cover 1 are spliced; the outer wall of the valve seat 2 is provided with an external thread, thereby realizing the addition of the external thread.

[0024] In this embodiment, preferably, the inner wall of the mounting cover 1 is provided with an internal thread, and the internal thread is added. The valve seat 2 and the mounting cover 1 are meshed and connected, and the cooperation of the external thread and the internal thread makes it more convenient to splice the valve seat 2 and the mounting cover 1.

[0025] In this embodiment, preferably, screws 4 are also included, and the locking plate 3 and the mounting cover 1 are connected by the screws 4. The screws 4 increase the stability of the splicing of the locking plate 3 and the mounting cover 1 and prevent relative rotation between the mounting cover 1 and the valve seat 2.

[0026] Example 2

[0027] See also Figure 1-Figure 3 , which is the second embodiment of the utility model, is based on the previous embodiment, and the difference is that:

[0028] The interior of the lock slot 21 is provided with a reinforcing component, which includes a fixing piece 7. A connecting piece 71 is installed on the side surface of the fixing piece 7 by screws, so that the connecting piece 71 and the fixing piece 7 are firmly fixed, and the connecting piece 71 can abut against the side surface of the locking block 31. A spring 210 connected to the fixing piece 7 is installed on the inner side surface of the lock slot 21. When the locking block 31 is inserted into the lock slot 21, the connecting piece 71 is squeezed. After the connecting piece 71 is squeezed, the fixing piece 7 is driven to squeeze the spring 210. After being squeezed, the spring 210 is reset, driving the fixing piece 7 to move, and the two connecting pieces 71 are clamped on the locking block 31 to reinforce the locking block 31; the connecting piece 71 is a trapezoidal structure, and a gap is left between the connecting piece 71 and the bottom of the lock slot 21, so that the connecting piece 71 is easy to move after being squeezed.

[0029] The working principle and use process of the utility model are as follows: when in use, a sealing gasket 5 is sleeved on the valve seat 2, the valve seat 2 is picked up, and the valve seat 2 is screwed into the installation cover 1, the locking piece 3 is picked up, and the locking block 31 is inserted into the locking groove 21 along the stopper 6, the stopper 6 limits the locking block 31, and when the locking block 31 is inserted into the locking groove 21, the connecting piece 71 is squeezed, and after the connecting piece 71 is squeezed, the fixing piece 7 is driven to squeeze the spring 210, and the spring 210 is reset after being squeezed, driving the fixing piece 7 to move, and the two connecting pieces 71 are clamped on the locking block 31, so as to reinforce the locking block 31; the screws 4 are used to increase the firmness of the splicing of the locking piece 3 and the installation cover 1 to prevent the relative rotation between the installation cover 1 and the valve seat 2.

[0030] Although the embodiments of the present invention have been shown and described, as detailed above, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety valve structure for a battery, comprising a mounting cover (1) and a valve seat (2), characterized in that: The valve seat (2) is installed inside the installation cover (1); a locking plate (3) is installed on the top of the installation cover (1) and the valve seat (2); the locking plate (3) and the installation cover (1) are fixedly connected, and the locking plate (3) and the valve seat (2) are spliced; a locking block (31) is arranged at the bottom of the locking plate (3); a locking groove (21) for inserting the locking block (31) is opened on the top of the valve seat (2); a stopper (6) that can abut against the locking block (31) is installed at the notch of the locking groove (21); a reinforcing component is arranged inside the locking groove (21); the reinforcing component comprises a fixing plate (7); a connecting plate (71) is arranged on the side surface of the fixing plate (7); and the connecting plate (71) can abut against the side surface of the locking block (31); a spring (210) connected to the fixing plate (7) is installed on the inner side surface of the locking groove (21).

2. A battery safety valve structure according to claim 1, characterized in that: The connecting piece (71) is a trapezoidal structure, and a gap is left between the connecting piece (71) and the bottom of the locking groove (21).

3. The safety valve structure of a battery according to claim 1, characterized in that: A sealing gasket (5) is sleeved on the valve seat (2), and an outer wall of the valve seat (2) is provided with an external thread.

4. A battery safety valve structure according to claim 3, characterized in that: The inner wall of the mounting cover (1) is provided with an internal thread, and the valve seat (2) and the mounting cover (1) are meshingly connected.

5. The safety valve structure of a battery according to claim 1, characterized in that: It also comprises screws (4), and the locking piece (3) and the mounting cover (1) are connected via the screws (4).

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