Safety relief device of gas storage tank

Abstract

The utility model discloses a gas storage tank safety relief device which comprises a relief rod structure, a main body sleeve structure, a reset lifting rod structure, a butt joint sealing head and a connector structure, the surface of one end of the relief rod structure is fixedly connected with the main body sleeve structure, the surface of the main body sleeve structure is fixedly connected with the reset lifting rod structure, and the butt joint sealing head is fixedly connected with the butt joint sealing head. The surface of one end of the main body sleeve structure is fixedly connected with a connector structure, and the surface of one end of the connector structure is fixedly connected with a butt joint sealing head. By means of the release rod structure, the main body sleeve structure and the connector structure, disassembly and connection are facilitated, later maintenance is facilitated, meanwhile, the connection positions of the structures are reinforced so that the structures can be in butt joint and penetrate through one another, and a sealing ring structure is arranged.

Description

Technical Field

[0001] The utility model relates to the field of valves, in particular to a safety relief device for a gas storage tank. Background Art

[0002] In many technical fields, precision equipment needs to be sealed and protected. Some precision equipment has strict requirements for the sealing pressure. Excessive sealing pressure will affect the performance of the equipment. Some precision equipment will generate some redundant gases during operation. If the redundant gases are not discharged in time, the internal sealing pressure of the equipment will increase, thus affecting the performance of the equipment. When the pressure is too high, the equipment will be damaged, and there is even a risk of equipment explosion. The existing air release valves have a simple structure and are prone to air leakage at the joints between structures. At the same time, the sealing block is not fixedly connected to the sliding rod, and it is prone to deviation when opening and closing the air inlet. Therefore, a safety relief device for a gas storage tank is proposed. Summary of the Utility Model

[0003] The main purpose of the utility model is to provide a safety relief device for a gas storage tank, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A safety relief device for a gas storage tank includes a relief rod structure, a main body sleeve structure, a reset lifting rod structure, a docking seal head and a connection head structure. One end surface of the relief rod structure is fixedly connected with the main body sleeve structure. The surface of the main body sleeve structure is fixedly connected with the reset lifting rod structure. One end surface of the main body sleeve structure is fixedly connected with the connection head structure. One end surface of the connection head structure is fixedly connected with the docking seal head.

[0006] The relief rod structure includes a docking cover, a cavity, a fixing ring, a lifting strip and a prying rod. A cavity is opened inside the docking cover. A fixing ring is fixedly arranged on one end surface of the docking cover. The surface of the docking cover is movably connected with the lifting strip. The surface of the docking cover is movably connected with the prying rod.

[0007] The main body sleeve structure includes a sleeve tube, a hollow cabin, a docking groove installation ring, a sealing ring and an embedding head. A hollow cabin is fixedly opened on the inner surface of the sleeve tube. A docking groove installation ring is fixedly arranged on one end surface of the sleeve tube. An embedding head is fixedly arranged on the other end surface of the sleeve tube. A sealing ring is fixedly installed inside the embedding head.

[0008] The reset lifting rod structure includes a sliding rod, a limiting ring, a lifting head, a reset spring, a sliding tube, a fixing nut, and a threaded block. The surface of the sliding rod is movably sleeved with the limiting ring. The surface of the limiting ring is fixedly connected to the reset spring. The surface of the sliding rod is movably sleeved with the reset spring. One end surface of the sliding rod is fixedly provided with the lifting head. The other end surface of the sliding rod is spirally connected to the threaded block. The surface of the sliding rod is movably sleeved with the sliding tube. The surface of the sliding tube is spirally connected to the fixing nut.

[0009] The docking sealing head includes a sliding sleeve, a docking port, a sealing ring, a pressing block, a clamping groove, and an annular clamping block. The surface of the sliding sleeve is fixedly provided with the docking port. The surface of the sliding sleeve is fixedly installed with the sealing ring. The inner surface of the sliding sleeve is movably sleeved with the pressing block. One end surface of the pressing block is fixedly provided with the clamping groove. The other end surface of the pressing block is fixedly provided with the annular clamping block.

[0010] The connector structure includes an adapter head, a relief port, an adapter groove, an air inlet, a pressing inner ring, and a threaded hole. The surface of the adapter head is fixedly provided with the relief port. One end surface of the adapter head is fixedly provided with the adapter groove. The surface of the adapter head is fixedly provided with the air inlet. The inner surface of the air inlet is fixedly provided with the pressing inner ring. One end surface of the adapter head is fixedly provided with the threaded hole.

[0011] Compared with the prior art, the present utility model has the following beneficial effects:

[0012] In the present utility model, a gas storage tank safety relief device, by setting the relief rod structure, it is convenient to lift the reset lifting rod structure to make the device release gas, which is convenient for labor-saving operation. By setting the relief rod structure, the main body sleeve structure, and the connector structure, it is convenient to disassemble and connect them, which is convenient for later maintenance. At the same time, the mutual connection parts of the structures are strengthened, so that they are mutually butted and inserted, and a sealing ring structure is set to improve the sealing performance and avoid air leakage at the main body sleeve structure and the relief rod structure. By setting the docking sealing head to cooperate with the reset lifting rod structure, the air inlet can be opened and closed after operation. The pressing block completely fits on the surface of the air inlet after closing, and the annular clamping block is embedded into the pressing inner ring to achieve tight closing. Description of the Drawings

[0013] Figure 1 It is an overall schematic diagram of a gas storage tank safety relief device of the present utility model;

[0014] Figure 2 It is an overall cross-sectional schematic diagram of a gas storage tank safety relief device of the present utility model;

[0015] Figure 3 It is a schematic diagram of the relief rod structure of a gas storage tank safety relief device of the present utility model;

[0016] Figure 4 Schematic diagram of the main sleeve structure of a safety relief device for a gas storage tank of the present utility model;

[0017] Figure 5 Schematic diagram of the reset lifting rod structure of a safety relief device for a gas storage tank of the present utility model;

[0018] Figure 6 Schematic diagram of the docking sealing head of a safety relief device for a gas storage tank of the present utility model;

[0019] Figure 7 Schematic diagram of the connector structure of a safety relief device for a gas storage tank of the present utility model;

[0020] In the figure: 1. Relief rod structure; 101. Docking cover; 102. Cavity; 103. Fixed ring; 104. Lifting strip; 105. Prying rod; 2. Main sleeve structure; 201. Sleeve tube; 202. Hollow cabin; 203. Docking groove mounting ring; 204. Sealing ring; 205. Embedded head; 3. Reset lifting rod structure; 301. Slide bar; 302. Limiting ring; 303. Pulling head; 304. Reset spring; 305. Sliding tube; 306. Fixed nut; 307. Threaded block; 4. Docking sealing head; 401. Sliding sleeve; 402. Docking port; 403. Sealing ring; 404. Pressing block; 405. Card slot; 406. Ring-shaped clamping block; 5. Connector structure; 501. Connecting head; 502. Relief port; 503. Connecting groove; 504. Air inlet; 505. Extrusion inner ring; 506. Threaded hole. Detailed implementation manners

[0021] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with the detailed implementation manners.

[0022] As Figures 1-7 shown, a safety relief device for a gas storage tank includes a relief rod structure 1, a main sleeve structure 2, a reset lifting rod structure 3, a docking sealing head 4 and a connector structure 5. One end surface of the relief rod structure 1 is fixedly connected to the main sleeve structure 2, the surface of the main sleeve structure 2 is fixedly connected to the reset lifting rod structure 3, one end surface of the main sleeve structure 2 is fixedly connected to the connector structure 5, and one end surface of the connector structure 5 is fixedly connected to the docking sealing head 4;

[0023] The pressure relief rod structure 1 includes a docking cover 101, a cavity 102, a fixing ring 103, a lifting strip 104, and a prying lever 105. A cavity 102 is provided inside the docking cover 101. A fixing ring 103 is fixedly arranged on one end surface of the docking cover 101. A lifting strip 104 is movably connected to the surface of the docking cover 101, and a prying lever 105 is movably connected to the surface of the docking cover 101; The main body sleeve structure 2 includes a sleeve pipe 201, a hollow cabin 202, a docking groove mounting ring 203, a sealing ring 204, and an embedded head 205. A hollow cabin 202 is fixedly provided on the inner surface of the sleeve pipe 201. A docking groove mounting ring 203 is fixedly arranged on one end surface of the sleeve pipe 201. An embedded head 205 is fixedly arranged on the other end surface of the sleeve pipe 201, and a sealing ring 204 is fixedly installed inside the embedded head 205; The reset lifting rod structure 3 includes a sliding rod 301, a limiting ring 302, a lifting head 303, a reset spring 304, a sliding pipe 305, a fixing nut 306, and a threaded block 307. A limiting ring 302 is movably sleeved on the surface of the sliding rod 301. A reset spring 304 is fixedly connected to the surface of the limiting ring 302. A reset spring 304 is movably sleeved on the surface of the sliding rod 301. A lifting head 303 is fixedly arranged on one end surface of the sliding rod 301. A threaded block 307 is spirally connected to the other end surface of the sliding rod 301. A sliding pipe 305 is movably sleeved on the surface of the sliding rod 301, and a fixing nut 306 is spirally connected to the surface of the sliding pipe 305; The docking sealing head 4 includes a sliding sleeve 401, a docking port 402, a sealing ring 403, a pressing block 404, a clamping groove 405, and an annular clamping block 406. A docking port 402 is fixedly arranged on the surface of the sliding sleeve 401. A sealing ring 403 is fixedly installed on the surface of the sliding sleeve 401. A pressing block 404 is movably sleeved on the inner surface of the sliding sleeve 401. A clamping groove 405 is fixedly opened on one end surface of the pressing block 404, and an annular clamping block 406 is fixedly arranged on the other end surface of the pressing block 404; The connector structure 5 includes an adapter head 501, a pressure relief port 502, an adapter groove 503, an air inlet 504, a pressing inner ring 505, and a threaded hole 506. A pressure relief port 502 is fixedly arranged on the surface of the adapter head 501. An adapter groove 503 is fixedly opened on one end surface of the adapter head 501. An air inlet 504 is fixedly arranged on the surface of the adapter head 501. A pressing inner ring 505 is fixedly arranged on the inner surface of the air inlet 504. A threaded hole 506 is fixedly opened on one end surface of the adapter head 501.

[0024] It should be noted that the utility model is a gas storage tank safety release device, which can facilitate the lifting and resetting of the lifting rod structure 3 through the release rod structure 1 to enable the device to perform gas release operation. The release rod structure 1 is fixed to the embedded head 205 of the main sleeve structure 2 through the fixing ring 103, and the surface of the sliding rod 301 of the reset lifting rod structure 3 is movably sleeved with a sliding tube 305, and the sliding tube 305 is fixedly inserted into the inside of the embedded head 205. After embedding, the fixing nut 306 is screwed on the surface of the sliding tube 305 and fixed to the embedded head 205. The sealing ring 403 arranged inside is tightly fitted to the surface of the sliding tube 305 to achieve a sealing effect, and the sliding rod 301 passes through the lifting bar 104 and is spirally connected to the threaded stopper 307. The lifting operation squeezes the lifting bar 104 upward by flipping the prying rod 105, and pulls the sliding bar 301 upward to move the lower pressing block 404 upward so that the gas enters and is discharged through the air inlet 504. The discharge rod structure 1, the main sleeve structure 2 and the connector structure 5 are convenient for disassembly and connection, which is convenient for later maintenance. At the same time, the mutual connection of the structures is strengthened so that they are butted and interlaced with each other, and a sealing ring structure is provided to improve the sealing and avoid air leakage at the main sleeve structure and the discharge rod structure. The butt sealing head 4 cooperates with the reset lifting rod structure 3 so that the air inlet 504 can be switched and closed after operation. The lower pressing block 404 is completely fitted on the surface of the air inlet 504 after closing, and the annular clamping block 406 is embedded in the extruded inner ring 505 to achieve tight closure. The lifting head 303 is fixed to the clamping groove 405 for docking to avoid displacement during opening and closing. The lower pressing block 404 is restricted in the sliding sleeve so that it can move up and down smoothly. The sliding sleeve 401 is fixed by the docking groove mounting ring 203 and the connecting groove 503 up and down, so that it is sandwiched in the middle, and a sealing ring is provided on the edge to improve the sealing.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A safety relief device for a gas storage tank, characterized in that: It includes a pressure relief rod structure (1), a main body sleeve structure (2), a reset lifting rod structure (3), a docking seal head (4) and a connector structure (5). One end surface of the pressure relief rod structure (1) is fixedly connected to the main body sleeve structure (2), the surface of the main body sleeve structure (2) is fixedly connected to the reset lifting rod structure (3), one end surface of the main body sleeve structure (2) is fixedly connected to the connector structure (5), and one end surface of the connector structure (5) is fixedly connected to the docking seal head (4).

2. The safety relief device for a gas storage tank according to claim 1, wherein: The pressure relief rod structure (1) includes a docking cover (101), a cavity (102), a fixing ring (103), a lifting strip (104) and a prying rod (105). A cavity (102) is formed inside the docking cover (101), a fixing ring (103) is fixedly arranged on one end surface of the docking cover (101), a lifting strip (104) is movably connected to the surface of the docking cover (101), and a prying rod (105) is movably connected to the surface of the docking cover (101).

3. The safety relief device for a gas storage tank according to claim 2, characterized in that: The main body sleeve structure (2) includes a sleeve tube (201), a hollow chamber (202), a docking groove mounting ring (203), a sealing ring (204) and an embedding head (205). A hollow chamber (202) is fixedly formed on the inner surface of the sleeve tube (201), a docking groove mounting ring (203) is fixedly arranged on one end surface of the sleeve tube (201), an embedding head (205) is fixedly arranged on the other end surface of the sleeve tube (201), and a sealing ring (204) is fixedly installed inside the embedding head (205).

4. The safety relief device for a gas storage tank according to claim 3, wherein: The reset lifting rod structure (3) includes a sliding rod (301), a limiting ring (302), a lifting head (303), a reset spring (304), a sliding tube (305), a fixing nut (306) and a threaded block (307). A limiting ring (302) is movably sleeved on the surface of the sliding rod (301), a reset spring (304) is fixedly connected to the surface of the limiting ring (302), a reset spring (304) is movably sleeved on the surface of the sliding rod (301), a lifting head (303) is fixedly arranged on one end surface of the sliding rod (301), a threaded block (307) is spirally connected to the other end surface of the sliding rod (301), a sliding tube (305) is movably sleeved on the surface of the sliding rod (301), and a fixing nut (306) is spirally connected to the surface of the sliding tube (305).

5. The safety relief device for a gas storage tank according to claim 4, wherein: The docking seal head (4) includes a sliding sleeve (401), a docking port (402), a sealing ring (403), a pressing block (404), a card slot (405) and an annular clamping block (406). A docking port (402) is fixedly arranged on the surface of the sliding sleeve (401), a sealing ring (403) is fixedly installed on the surface of the sliding sleeve (401), a pressing block (404) is movably sleeved on the inner surface of the sliding sleeve (401), a card slot (405) is fixedly formed on one end surface of the pressing block (404), and an annular clamping block (406) is fixedly arranged on the other end surface of the pressing block (404).

6. The safety relief device for a gas storage tank according to claim 5, characterized in that: The connector structure (5) includes an adapter head (501), a drain port (502), an adapter groove (503), an air inlet (504), a compression inner ring (505), and a threaded hole (506). A drain port (502) is fixedly arranged on the surface of the adapter head (501). An adapter groove (503) is fixedly formed on one end surface of the adapter head (501). An air inlet (504) is fixedly arranged on the surface of the adapter head (501). A compression inner ring (505) is fixedly arranged on the inner surface of the air inlet (504). A threaded hole (506) is fixedly formed on one end surface of the adapter head (501).

Images