Pressure alarm valve structure with more stable alarm capability

Abstract

The utility model discloses a pressure alarm valve structure with more stable alarm capability, and relates to the technical field of alarm valves, the pressure alarm valve structure comprises an alarm valve body, an outer sealing ring is adhered to the top of the alarm valve body, an annular metal plate is embedded in the inner side of the outer sealing ring, an inner fixing ring is fixedly mounted on the inner side of the annular metal plate, and a pressure sensor is arranged on the inner fixing ring. According to the alarm valve, the valve body switch, the switch pin, the sealing rubber body and the pin groove are arranged, the switch pin of the alarm valve is wrapped by the sealing rubber body and is not prone to making contact with external air, and therefore the alarm valve is not prone to rusting, the use effect of the switch pin is guaranteed, and the use stability of the alarm valve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of alarm valves, in particular to a pressure alarm valve structure with more stable alarm ability. Background Technique

[0002] In recent years, under the trend of automotive electrification, the volume of electric vehicles in China has increased rapidly. However, there have also been some problems such as electric vehicle fires and explosions. The safety issues of electric vehicles have attracted more and more attention and gradually become the focus of consumers' attention. In order to improve the safety of new energy batteries, an alarm device needs to be installed in the battery system to give safety reminders to the driver and passengers in a timely manner. The common alarm device is an alarm valve. The pressure alarm valves on the market also serve as waterproof, breathable and explosion-proof valves. Since the waterproof and breathable function is realized on the product, a waterproof and breathable membrane is installed on the product.

[0003] However, for the alarm valves used in new energy vehicle batteries at present, the waterproof and breathable membranes inside are prone to damage and fall off, resulting in the risk of unstable pressure during alarm and affecting the use. Content of the Utility Model

[0004] The utility model provides a pressure alarm valve structure with more stable alarm ability, which can effectively solve the problem that the waterproof and breathable membrane inside the alarm valve used in new energy vehicle batteries at present is prone to damage and fall off, resulting in the risk of unstable pressure during alarm and affecting the use, as mentioned in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical solution: A pressure alarm valve structure with more stable alarm ability, including an alarm valve body, and a top protection component is installed on the top of the alarm valve body;

[0006] The top protection component includes an outer sealing ring, an annular metal plate, an inner fixing ring, fixing needle rods, a circular metal plate, an annular groove plate, an outer fixing ring and positioning holes;

[0007] The outer sealing ring is adhesively installed on the top of the alarm valve body. The annular metal plate is embedded inside the outer sealing ring. The inner fixing ring is fixedly installed inside the annular metal plate. The fixing needle rods are equiangularly installed on the top of the annular metal plate. The circular metal plate is clamped on the top of the inner fixing ring. An annular groove plate is formed by stamping on the outer side of the circular metal plate. The outer fixing ring is fixedly installed on the outer side of the annular groove plate. Positioning holes are equiangularly opened at the top end of the outer fixing ring.

[0008] Preferably, four fixing needle rods are provided, and the four fixing needle rods are respectively clamped inside the corresponding positioning holes, and the top of the fixing needle rod is bent.

[0009] Preferably, the circular metal plate is clamped at the inner side position of the inner fixing ring, and the annular groove plate is clamped at the top position of the inner fixing ring.

[0010] Preferably, a valve body switch is installed at the bottom of the alarm valve body, a switch pin is installed at the bottom of the valve body switch, a sealing colloid is injection-molded at the bottom of the valve body switch, and a pin groove is injection-molded at the top of the sealing colloid corresponding to the position of the switch pin.

[0011] Preferably, a plurality of switch pins are installed at the bottom of the valve body switch, and the switch pins are hermetically clamped inside the pin grooves of the sealing colloid.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The structure of the present utility model is scientific and reasonable, and it is safe and convenient to use:

[0013] 1. By setting an outer sealing ring, an annular metal plate, an inner fixing ring, a fixing needle rod, a circular metal plate, an annular groove plate and an outer fixing ring, the inner fixing ring in the middle of the annular metal plate is clamped with the annular groove plate on the outer side of the circular metal plate, and the fixing needle rod is clamped inside the positioning hole of the outer fixing ring. Then, the fixing needle rod is bent to quickly and simply fix the circular metal plate. The circular metal plate and the annular metal plate are not easily damaged and are more durable, making the pressure stable when the alarm valve is used and ensuring the alarm effect. When the circular metal plate needs to be replaced, the fixing needle rod is directly straightened, and then the circular metal plate can be moved and removed. The disassembly and assembly of the circular metal plate are convenient and easy for replacement.

[0014] 2. By setting a valve body switch, a switch pin, a sealing colloid and a pin groove, the outside of the switch pin of the alarm valve is wrapped by the sealing colloid and is not easily in contact with the external air, so it is not easily rusted, ensuring the use effect of the switch pin and improving the use stability of the alarm valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model.

[0016] In the drawings:

[0017] Figure 1 is the structural schematic diagram of the present utility model;

[0018] Figure 2 is the cross-sectional view of the present utility model;

[0019] Figure 3 is the expanded schematic diagram of the top protection component of the present utility model;

[0020] Figure 4 is the structural schematic diagram of the switch pin of the present utility model;

[0021] Reference numerals in the figure: 1. Alarm valve body;

[0022] 2. Top protection component; 201. Outer sealing ring; 202. Annular metal plate; 203. Inner fixing ring; 204. Fixed anchor rod; 205. Circular metal plate; 206. Annular groove plate; 207. Outer fixing ring; 208. Positioning hole;

[0023] 3. Valve body switch; 4. Switch pin; 5. Sealing colloid; 6. Pin slot. Specific implementation mode

[0024] The preferred embodiments of the present utility model will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, and are not used to limit the present utility model.

[0025] Embodiment: As Figures 1-3 shown, the present utility model provides a technical solution, a pressure alarm valve structure with more stable alarm ability, including an alarm valve body 1, and a top protection component 2 is installed on the top of the alarm valve body 1;

[0026] The top protection component 2 includes an outer sealing ring 201, an annular metal plate 202, an inner fixing ring 203, a fixed anchor rod 204, a circular metal plate 205, an annular groove plate 206, an outer fixing ring 207 and a positioning hole 208;

[0027] The outer sealing ring 201 is adhesively installed on the top of the alarm valve body 1, the annular metal plate 202 is embedded and installed inside the outer sealing ring 201, the inner fixing ring 203 is fixedly installed inside the annular metal plate 202, the fixed anchor rods 204 are installed at equal angles on the top of the annular metal plate 202, the circular metal plate 205 is clamped on the top of the inner fixing ring 203, an annular groove plate 206 is formed by stamping on the outer side of the circular metal plate 205, the circular metal plate 205 is clamped at the inner side position of the inner fixing ring 203, and the annular groove plate 206 is clamped at the top position of the inner fixing ring 203, so that the clamping between the inner fixing ring 203 and the circular metal plate 205 is stable. The outer fixing ring 207 is fixedly installed on the outer side of the annular groove plate 206, positioning holes 208 are opened at equal angles at the top of the outer fixing ring 207, four fixed anchor rods 204 are provided, and the four fixed anchor rods 204 are respectively clamped inside the corresponding positioning holes 208. The top of the fixed anchor rod 204 is bent to facilitate the disassembly and assembly between the annular metal plate 202 and the circular metal plate 205.

[0028] A valve body switch 3 is installed at the bottom of the alarm valve body 1. A switch pin 4 is installed at the bottom of the valve body switch 3. A sealing colloid 5 is injection-molded at the bottom of the valve body switch 3. A pin slot 6 is injection-molded at the top of the sealing colloid 5 corresponding to the position of the switch pin 4. A number of switch pins 4 are installed at the bottom of the valve body switch 3. The switch pins 4 are hermetically clamped inside the pin slots 6 of the sealing colloid 5 to ensure the stable use of the switch pins 4.

[0029] The working principle and usage process of the present utility model: The top protection component 2 at the top of the alarm valve body 1 is provided with an annular metal plate 202 and a circular metal plate 205 that can achieve the protection function. The inner fixing ring 203 in the middle of the annular metal plate 202 is clamped with the annular groove plate 206 on the outer side of the circular metal plate 205, and the fixing needle rod 204 is clamped inside the positioning hole 208 of the outer fixing ring 207. Finally, the fixing needle rod 204 is bent to limit the outer fixing ring 207, and the circular metal plate 205 is fixed quickly and simply. The height of the fixing needle rod 204 is adjustable, which is convenient for setting the separation and pressure relief gap height between the annular metal plate 202 and the circular metal plate 205;

[0030] The circular metal plate 205 and the annular metal plate 202 are not easily damaged and are more durable, which enhances the overall stability of the alarm valve. When the circular metal plate 205 needs to be replaced, the fixing needle rod 204 is directly straightened to release the limit on the outer fixing ring 207, and then the circular metal plate 205, the annular groove plate 206, and the outer fixing ring 207 can be moved and removed together. The disassembly and assembly of the circular metal plate 205 are convenient and easy to replace;

[0031] The circular metal plate 205 is connected to the valve core. When the set pressure is reached, the valve core is lifted, and then the circular metal plate 205 is pushed. The circular metal plate 205 is separated from the annular metal plate 202, so as to facilitate pressure relief and ventilation. After the pressure reaches the set value, the circular metal plate 205 and the valve core are reset to achieve normal pressure regulation;

[0032] The outside of the switch pin 4 of the alarm valve is wrapped by the sealing colloid 5 and is not easily in contact with the external air, so it is not easily rusted, which ensures the use effect of the switch pin 4 and improves the use stability of the alarm valve.

[0033] Finally, it should be noted that the above are only the preferred examples of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A pressure alarm valve structure with more stable alarm capability, comprising an alarm valve body (1), characterized in that: A top protection component (2) is installed on the top of the alarm valve body (1); The top protection assembly (2) comprises an outer sealing ring (201), an annular metal plate (202), an inner fixing ring (203), a fixing needle rod (204), a circular metal plate (205), an annular groove plate (206), an outer fixing ring (207) and a positioning hole (208); An outer sealing ring (201) is bonded and installed on the top of the alarm valve body (1), an annular metal plate (202) is embedded and installed inside the outer sealing ring (201), an inner fixing ring (203) is fixedly installed on the inner side of the annular metal plate (202), a fixing needle rod (204) is installed at an equal angle on the top of the annular metal plate (202), a circular metal plate (205) is clamped on the top of the inner fixing ring (203), an annular groove plate (206) is stamped on the outer side of the circular metal plate (205), an outer fixing ring (207) is fixedly installed on the outer side of the annular groove plate (206), and a positioning hole (208) is opened at an equal angle on the top of the outer fixing ring (207).

2. A pressure alarm valve structure with more stable alarm capability according to claim 1, characterized in that: Four fixed needle bars (204) are provided, and the four fixed needle bars (204) are respectively clamped on the inner sides of corresponding positioning holes (208), and the tops of the fixed needle bars (204) are bent.

3. A pressure alarm valve structure with more stable alarm capability according to claim 1, characterized in that: The circular metal plate (205) is clamped at the inner side of the inner fixing ring (203), and the annular groove plate (206) is clamped at the top of the inner fixing ring (203).

4. A pressure alarm valve structure with more stable alarm capability according to claim 1, characterized in that: A valve body switch (3) is installed at the bottom of the alarm valve body (1), a switch pin (4) is installed at the bottom of the valve body switch (3), a sealing colloid (5) is injection-molded at the bottom of the valve body switch (3), and a pin groove (6) is injection-molded at the top of the sealing colloid (5) at a position corresponding to the switch pin (4).

5. A pressure alarm valve structure with more stable alarm capability according to claim 4, characterized in that: A plurality of switch pins (4) are installed at the bottom of the valve body switch (3), and the switch pins (4) are sealed and clamped inside the pin grooves (6) of the sealing colloid (5).

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