Inflatable airtight door

Abstract

The utility model discloses an inflatable airtight door, which relates to the technical field of inflatable airtight doors and comprises a door frame, an airtight unit arranged between two sides of the bottom end of the door frame and a water spraying unit arranged in the door frame. The sealing unit comprises dismounting assemblies arranged on the two sides of the bottom end of the door frame and a sealing assembly arranged on one side of the dismounting assemblies. The water spraying unit comprises a water storage tank arranged in the top end of the door frame and a spraying assembly arranged at the bottom end of the water storage tank. According to the inflatable air-tight door, the air cylinder can be started to drive the expansion columns to contract, so that the expansion columns are separated from the corresponding bearing grooves, then a tool is used for being inserted into the corresponding inserting grooves, the two threaded blocks are taken out, then the first door body is pulled, the fixing columns and the connecting blocks are separated from the corresponding grooves, and then a new door body is stuffed into the first door body. And then the two threaded blocks are plugged back, so that the door bodies can be conveniently replaced, and the surfaces of the first door body and the second door body can be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of inflatable airtight doors, in particular to an inflatable airtight door. Background Art

[0002] A closed door is a door that can increase airtightness. The closed doors currently used in mobile safety laboratories, shelters, carriages and buildings adopt compression sealing, which is achieved by the mutual engagement of the door frame and the door frame profile.

[0003] After searching, the public (announcement) number: CN205908217U discloses a new type of inflatable airtight door, including a door frame, a door body connected to the door frame through a hinge, an electromagnetic lock installed at the corresponding position of the door frame and the upper side of the door body, a micro PLC controller installed on the front side of the door frame, and an inflatable joint is arranged on the lower side of the door frame, and the inflatable joint is connected to an external air pump through a pipeline. When the new type of inflatable airtight door is in a closed state, the micro PLC controller controls the external air pump to inflate the inflatable sealing rubber ring, and the inflatable sealing rubber ring is inflated and expanded, driving the first sealing strip on the inner ring of the inflatable sealing rubber ring to seal the gap between the door frame and the door body. When the door is in an open state, the micro PLC controller controls the external air pump to deflate the inflatable sealing rubber ring, and the first sealing strip sinks into the groove of the door frame, so that the closed structure does not contact the door body when the door body is opened and closed, and the closed structure is fixed, thereby preventing the door body from being damaged when opening and closing.

[0004] Although the above solution can prevent the closed structure from being damaged when the door is opened and closed, it is not convenient to replace the door body if it is damaged, and dust easily accumulates on the surface of the closed door and needs to be cleaned. Utility Model Content

[0005] The main purpose of the utility model is to provide an inflatable sealed door, which solves the problem of inconvenient replacement of the door body when it is damaged by providing a sealed unit, and solves the problem of dust easily accumulating on the surface of the sealed door and requiring cleaning by providing a water spray unit.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An inflatable airtight door comprises a door frame, a sealing unit arranged between two sides of the bottom end of the door frame, and a water spraying unit arranged inside the door frame;

[0008] The sealing unit includes a disassembly assembly arranged on both sides of the bottom end of the door frame, and a sealing assembly arranged on one side of the disassembly assembly;

[0009] The water spray unit comprises a water storage tank arranged inside the top end of the door frame, and a spray assembly arranged at the bottom end of the water storage tank.

[0010] Preferably, the disassembly assembly in the closed unit includes grooves provided on both sides of the bottom end of the door frame, a fixing column arranged inside the groove, a connecting block fixedly connected to the upper and lower ends of the fixing column, a limiting hole provided in the middle of the connecting block, a threaded groove connected to one side of the limiting hole, a threaded block threadedly connected to the inside of the threaded groove, a plug-in groove provided on one side of the threaded block, a rectangular groove connected to the other side of the limiting hole, an elastic column arranged inside the rectangular groove, a spring arranged on the surface of the elastic column, and an extension column fixedly connected to one side of the elastic column;

[0011] One end of the extension column passes through the limiting hole and extends to the inside of the threaded block.

[0012] Preferably, the disassembly assembly in the closed unit further comprises a sleeve ring disposed on the surface of the fixing column, and a circular hole opened inside the sleeve ring;

[0013] The outer side of the fixing column is fitted with the inner side of the circular hole.

[0014] Preferably, the sealing component in the sealing unit includes a first door body and a second door body arranged between the two sides of the bottom end of the door frame, a bonding plate fixedly connected to one side of the first door body and the second door body, respectively, a magnetic layer fixedly connected to the bottom ends of the first door body and the second door body, respectively, and a cylinder arranged inside the first door body, a connecting column arranged at the output end of the cylinder, a plurality of expansion columns arranged on one side of the connecting column, and a plurality of receiving grooves opened on one side of the second door body;

[0015] One side of the first door body and the second door body are both fixedly connected to the corresponding sleeve rings.

[0016] Preferably, the expansion column in the closed unit is arranged in parallel with the corresponding receiving groove, and one end of the expansion column and the receiving groove both extend to one side of the corresponding bonding plate.

[0017] Preferably, the spray assembly in the water spray unit includes a plurality of connecting pipes fixedly connected to the bottom end of the water storage tank, a regulating valve fixedly connected to the bottom end of the connecting pipe, and a spray head fixedly connected to the bottom end of the regulating valve.

[0018] Preferably, the water spray unit further comprises a water inlet pipe which is arranged at the top of the front face of the door frame and extends to the inside of the water storage tank.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] 1. In the utility model, through the setting of the closed unit, if the first door body or the second door body is damaged and needs to be replaced in time, first start the cylinder to drive the multiple expansion columns to contract, so that the expansion columns are disengaged from the corresponding receiving grooves, and then rotate the first door body and the second door body. If the first door body needs to be replaced, use a tool to insert it into the corresponding plug-in groove, take out the two threaded blocks, and then pull the first door body again to make the fixing column and the connecting block disengage from the corresponding grooves, and then insert the new door body, and then plug the two threaded blocks back. In this way, the door body can be replaced conveniently.

[0021] 2. In the utility model, through the setting of the water spray unit, when dust accumulates on the surface of the closed door, the water inlet pipe can be connected to the external water pipe, and the regulating valve can be started, so that the water resources in the water tank are sprayed out through the nozzle to clean the surfaces of the first door body and the second door body, thereby improving the applicability of the closed door. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a cross-sectional view of the first door body in the utility model;

[0024] Figure 3 It is a cross-sectional view of the second door body in the utility model;

[0025] Figure 4 It is a cross-sectional view of the door frame in the utility model;

[0026] Figure 5 For this utility model Figure 4 A schematic diagram of the structure enlargement in the middle;

[0027] Figure 6 For this utility model Figure 4 Enlarged schematic diagram of the structure at point B in the middle.

[0028] In the figure:

[0029] 1. Door frame;

[0030] 2. Sealed unit; 201. First door body; 202. Second door body; 203. Socket ring; 204. Circular hole; 205. Cylinder; 206. Connecting column; 207. Expansion column; 208. Laminating plate; 209. Magnetic layer; 210. Receiving groove; 211. Groove; 212. Fixing column; 213. Connecting block; 214. Threaded groove; 215. Threaded block; 216. Inserting groove; 217. Extension column; 218. Elastic column; 219. Spring; 220. Rectangular groove;

[0031] 3. Water spray unit; 301. Water inlet pipe; 302. Water storage tank; 303. Connecting pipe; 304. Adjusting valve; 305. Sprinkler. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods. Example

[0033] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 as well as Figure 6 As shown, an inflatable airtight door comprises a door frame 1, a sealing unit 2 arranged between two sides of the bottom end of the door frame 1, and a water spray unit 3 arranged inside the door frame 1;

[0034] The sealing unit 2 includes a disassembly assembly arranged on both sides of the bottom end of the door frame 1, and a sealing assembly arranged on one side of the disassembly assembly;

[0035] The water spray unit 3 includes a water storage tank 302 disposed inside the top end of the door frame 1 , and a spray assembly disposed at the bottom end of the water storage tank 302 .

[0036] The disassembly components in the closed unit 2 include grooves 211 provided at both sides of the bottom end of the door frame 1, a fixing column 212 provided inside the groove 211, a connecting block 213 fixedly connected to the upper and lower ends of the fixing column 212, a limiting hole provided in the middle of the connecting block 213, a threaded groove 214 provided on one side of the limiting hole, a threaded block 215 threadedly connected to the threaded groove 214, a plug-in groove 216 provided on one side of the threaded block 215, a rectangular groove 220 provided on the other side of the limiting hole, an elastic column 218 provided inside the rectangular groove 220, a spring 219 provided on the surface of the elastic column 218, and an extension column 217 fixedly connected to one side of the elastic column 218;

[0037] One end of the extension column 217 passes through the limiting hole and extends to the inside of the threaded block 215 .

[0038] The disassembly assembly in the sealed unit 2 further includes a sleeve ring 203 disposed on the surface of the fixing column 212, and a circular hole 204 opened inside the sleeve ring 203;

[0039] The outer side of the fixing column 212 fits with the inner side of the circular hole 204 .

[0040] The sealing components in the sealing unit 2 include a first door body 201 and a second door body 202 disposed between the two sides of the bottom end of the door frame 1, a bonding plate 208 fixedly connected to one side of the first door body 201 and the second door body 202, respectively, a magnetic layer 209 fixedly connected to the bottom ends of the first door body 201 and the second door body 202, respectively, and a cylinder 205 disposed inside the first door body 201, a connecting column 206 disposed at the output end of the cylinder 205, a plurality of expansion columns 207 disposed on one side of the connecting column 206, and a plurality of receiving grooves 210 opened on one side of the second door body 202;

[0041] One side of the first door body 201 and the second door body 202 are both fixedly connected to the corresponding sleeve ring 203 .

[0042] The expansion column 207 in the closed unit 2 is arranged in parallel with the corresponding receiving groove 210 , and one end of the expansion column 207 and the receiving groove 210 both extend to one side of the corresponding bonding plate 208 .

[0043] The spray assembly in the water spray unit 3 includes a plurality of connecting pipes 303 fixedly connected to the bottom end of the water storage tank 302 , a regulating valve 304 fixedly connected to the bottom end of the connecting pipe 303 , and a spray head 305 fixedly connected to the bottom end of the regulating valve 304 .

[0044] The water spray unit 3 further includes a water inlet pipe 301 which is arranged at the top of the front surface of the door frame 1 and extends to the inside of the water storage tank 302 .

[0045] If the first door body 201 or the second door body 202 is damaged and needs to be replaced in time, first start the cylinder 205 to drive the multiple expansion columns 207 to contract, so that the expansion columns 207 are disengaged from the corresponding receiving grooves 210, and then rotate the first door body 201 and the second door body 202. If the first door body 201 needs to be replaced, use a tool to insert it into the corresponding plug-in groove 216, take out the two threaded blocks 215, and then pull the first door body 201 to make the fixing column 212 and the connecting block 213 disengage from the corresponding groove 211, and then insert the new door body, and then plug the two threaded blocks 215 back. This allows the door body to be replaced conveniently. Example

[0046] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 as well as Figure 6 As shown, an inflatable airtight door comprises a door frame 1, a sealing unit 2 arranged between two sides of the bottom end of the door frame 1, and a water spray unit 3 arranged inside the door frame 1;

[0047] The sealing unit 2 includes a disassembly assembly arranged on both sides of the bottom end of the door frame 1, and a sealing assembly arranged on one side of the disassembly assembly;

[0048] The water spray unit 3 includes a water storage tank 302 disposed inside the top end of the door frame 1 , and a spray assembly disposed at the bottom end of the water storage tank 302 .

[0049] The disassembly components in the closed unit 2 include grooves 211 provided at both sides of the bottom end of the door frame 1, a fixing column 212 provided inside the groove 211, a connecting block 213 fixedly connected to the upper and lower ends of the fixing column 212, a limiting hole provided in the middle of the connecting block 213, a threaded groove 214 provided on one side of the limiting hole, a threaded block 215 threadedly connected to the threaded groove 214, a plug-in groove 216 provided on one side of the threaded block 215, a rectangular groove 220 provided on the other side of the limiting hole, an elastic column 218 provided inside the rectangular groove 220, a spring 219 provided on the surface of the elastic column 218, and an extension column 217 fixedly connected to one side of the elastic column 218;

[0050] One end of the extension column 217 passes through the limiting hole and extends to the inside of the threaded block 215 .

[0051] The disassembly assembly in the sealed unit 2 further includes a sleeve ring 203 disposed on the surface of the fixing column 212, and a circular hole 204 opened inside the sleeve ring 203;

[0052] The outer side of the fixing column 212 fits with the inner side of the circular hole 204 .

[0053] The sealing components in the sealing unit 2 include a first door body 201 and a second door body 202 disposed between the two sides of the bottom end of the door frame 1, a bonding plate 208 fixedly connected to one side of the first door body 201 and the second door body 202, respectively, a magnetic layer 209 fixedly connected to the bottom ends of the first door body 201 and the second door body 202, respectively, and a cylinder 205 disposed inside the first door body 201, a connecting column 206 disposed at the output end of the cylinder 205, a plurality of expansion columns 207 disposed on one side of the connecting column 206, and a plurality of receiving grooves 210 opened on one side of the second door body 202;

[0054] One side of the first door body 201 and the second door body 202 are both fixedly connected to the corresponding sleeve ring 203 .

[0055] The expansion column 207 in the closed unit 2 is arranged in parallel with the corresponding receiving groove 210 , and one end of the expansion column 207 and the receiving groove 210 both extend to one side of the corresponding bonding plate 208 .

[0056] The spray assembly in the water spray unit 3 includes a plurality of connecting pipes 303 fixedly connected to the bottom end of the water storage tank 302 , a regulating valve 304 fixedly connected to the bottom end of the connecting pipe 303 , and a spray head 305 fixedly connected to the bottom end of the regulating valve 304 .

[0057] The water spray unit 3 further includes a water inlet pipe 301 which is arranged at the top of the front surface of the door frame 1 and extends to the inside of the water storage tank 302 .

[0058] When dust accumulates on the surface of the sealed door, the water inlet pipe 301 can be connected to the external water pipe, and the regulating valve 304 can be started so that the water in the water tank 302 is sprayed out through the nozzle 305 to clean the surfaces of the first door body 201 and the second door body 202, thereby improving the applicability of the sealed door.

[0059] 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. An inflatable airtight door, comprising a door frame (1), characterized in that: It also includes a sealing unit (2) arranged between two sides of the bottom end of the door frame (1), and a water spray unit (3) arranged inside the door frame (1); The sealing unit (2) comprises a disassembly component arranged on both sides of the bottom end of the door frame (1), and a sealing component arranged on one side of the disassembly component; The water spray unit (3) comprises a water storage tank (302) arranged inside the top end of the door frame (1), and a spray assembly arranged at the bottom end of the water storage tank (302).

2. The inflatable airtight door according to claim 1, characterized in that: The disassembly assembly in the sealed unit (2) comprises grooves (211) provided on both sides of the bottom end of the door frame (1), a fixing column (212) arranged inside the groove (211), a connecting block (213) fixedly connected to the upper and lower ends of the fixing column (212), a limiting hole provided in the middle of the connecting block (213), a threaded groove (214) connected to one side of the limiting hole, a threaded block (215) threadedly connected to the inside of the threaded groove (214), a plug-in groove (216) provided on one side of the threaded block (215), a rectangular groove (220) connected to the other side of the limiting hole, an elastic column (218) arranged inside the rectangular groove (220), a spring (219) arranged on the surface of the elastic column (218), and an extension column (217) fixedly connected to one side of the elastic column (218); One end of the extension column (217) passes through the limiting hole and extends to the interior of the threaded block (215).

3. The inflatable airtight door according to claim 2, characterized in that: The disassembly assembly in the sealed unit (2) further comprises a sleeve ring (203) arranged on the surface of the fixing column (212), and a circular hole (204) opened inside the sleeve ring (203); The outer side of the fixing column (212) fits into the inner side of the circular hole (204).

4. The inflatable airtight door according to claim 3, characterized in that: The sealing component in the sealing unit (2) comprises a first door body (201) and a second door body (202) arranged between two sides of the bottom end of the door frame (1), a bonding plate (208) fixedly connected to one side of the first door body (201) and the second door body (202), a magnetic layer (209) fixedly connected to the bottom ends of the first door body (201) and the second door body (202), and a cylinder (205) arranged inside the first door body (201), a connecting column (206) arranged at the output end of the cylinder (205), a plurality of expansion columns (207) arranged at one side of the connecting column (206), and a plurality of receiving grooves (210) opened at one side of the second door body (202); One side of the first door body (201) and the second door body (202) are both fixedly connected to corresponding sleeve rings (203).

5. The inflatable airtight door according to claim 4, characterized in that: The expansion column (207) in the closed unit (2) is arranged in parallel with the corresponding receiving groove (210), and one end of the expansion column (207) and the receiving groove (210) both extend to one side of the corresponding bonding plate (208).

6. The inflatable airtight door according to claim 5, characterized in that: The spray assembly in the water spray unit (3) comprises a plurality of connecting pipes (303) fixedly connected to the bottom end of the water storage tank (302), a regulating valve (304) fixedly connected to the bottom end of the connecting pipes (303), and a spray head (305) fixedly connected to the bottom end of the regulating valve (304).

7. The inflatable airtight door according to claim 6, characterized in that: The water spray unit (3) further comprises a water inlet pipe (301) arranged at the top of the front face of the door frame (1) and extending into the interior of the water storage tank (302).

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