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CN-224214808-U - Leakage-proof double-seal wind direction reversing valve

CN224214808UCN 224214808 UCN224214808 UCN 224214808UCN-224214808-U

Abstract

The utility model discloses a leakage-proof double-seal wind direction reversing valve, which comprises a box body, wherein a reversing component is arranged in the middle of the inside of the box body, a plurality of positioning frames are arranged at the outer side of the lower end of the reversing component in the box body, through holes are formed in the middle of the positioning frames, an air inlet component and an air outlet component are respectively arranged at the outer sides of the opposite positioning frames, the air inlet component comprises a guide pipe, a threaded pipe and a sealing component, one end of the guide pipe is provided with the threaded pipe, the outer side of the other end of the threaded pipe is in threaded connection with the inner side of the through holes formed in the middle of the corresponding positioning frames, and the outer side of the guide pipe is connected with the corresponding position of the box body through the sealing component. This prevent leaking double containment wind direction switching-over valve through setting up box, locating frame, stand pipe, screwed pipe, first sealing gasket and sealing component collocation and use the double seal subassembly that constitutes, has realized multiple seal protection, has greatly improved the sealing performance of switching-over valve, effectively prevents that gas from leaking, improves the leakproofness of using.

Inventors

  • HAO XIANG
  • WANG XIAOCAI
  • DONG ZHIYUE

Assignees

  • 江苏赛摩积硕科技有限公司

Dates

Publication Date
20260508
Application Date
20250519

Claims (6)

  1. 1. The utility model provides a leak protection double containment wind direction switching-over valve, includes box (1), its characterized in that: The utility model discloses a box, including box (1), box (8), box (2), box (1) are provided with reversing assembly (3), and box (1) are inside to be located reversing assembly (3) lower extreme outside and are provided with a plurality of locating frames (2), locating frame (2) are T type structure, and a plurality of locating frames (2) are connected one side and are constituteed circular structure, have offered the through-hole in the middle of locating frame (2) simultaneously, set up relatively locating frame (2) outside is provided with air inlet subassembly and air-out subassembly respectively, and air inlet subassembly and air-out subassembly structure are the same, and air inlet subassembly includes stand pipe (8), screwed pipe (9) and sealing member simultaneously, stand pipe (8) one end is provided with screwed pipe (9), and is provided with the inside threaded connection of through-hole that corresponds the locating frame (2) of setting in the middle of screwed pipe (9) other end outside and corresponding setting, be provided with first sealing gasket (10) between stand pipe (8) and the locating frame (2) outer end simultaneously, the stand pipe (8) outside is connected through sealing member and box (1) corresponding position.
  2. 2. The anti-leakage double-seal wind direction reversing valve according to claim 1, wherein the reversing assembly (3) comprises a driving motor (301), a coupler (302), a rotating shaft (303), a guide bearing (304), a positioning bearing (305), a ventilation opening (306) and a sealing device, the output end of the driving motor (301) is connected with the top of the rotating shaft (303) through the coupler (302), the lower end of the rotating shaft (303) penetrates through the middle of the upper end of the box body (1), the guide bearing (304) is connected with the positioning bearing (305) arranged at the lower end inside the box body (1), the ventilation opening (306) is formed in the positions, corresponding to the through openings, of the front surface and the back surface of the rotating shaft (303), and the sealing device is arranged at the positions, corresponding to the through openings, of the left side and the right side of the rotating shaft (303).
  3. 3. The leakage-proof double-seal wind direction reversing valve of claim 2, wherein the driving motor (301) is arranged in the middle of the lower end of the top cover (5), the bottom of the top cover (5) is connected with the upper end of the protection frame (4), meanwhile, the lower end of the protection frame (4) is connected with the middle of the upper end of the box body (1), the protection frame (4) is positioned outside the driving motor (301), the coupler (302) and the rotating shaft (303), a rotating angle measurer (6) is arranged on one side inside the protection frame (4), and the rotating angle measurer (6) is electrically connected with the rotating shaft (303).
  4. 4. The leakage-proof double-seal wind direction reversing valve of claim 2, wherein the sealing device comprises a guide frame (307), miniature electric push rods (308) and rubber clamping bases (309), the miniature electric push rods (308) are symmetrically arranged on two sides inside the guide frame (307), meanwhile, the output ends of the miniature electric push rods (308) are connected with the rubber clamping bases (309), the ruler diameter of the rubber clamping bases (309) is the same as that of a through hole, and the length of the rubber clamping bases (309) is the same as the distance between the through hole and a threaded pipe (9).
  5. 5. The leakage-proof double-seal wind direction reversing valve of claim 4, wherein the rubber clamping seat (309) is made of neoprene material, and the outer side of the rubber clamping seat (309) is coated with a wear-resistant coating.
  6. 6. The anti-leakage double-seal wind direction reversing valve of claim 1, wherein the sealing assembly comprises a sealing cover (11), a second sealing gasket (12) and a third sealing gasket (13), the sealing cover (11) is arranged on the outer side of the guide pipe (8), meanwhile, the second sealing gasket (12) is arranged between a locating sleeve (7) which is correspondingly arranged on the inner side of the sealing cover (11) and the outer side of the box body (1), the sealing cover (11) is in threaded connection with the outer side of the locating sleeve (7), and the third sealing gasket (13) is arranged between the sealing cover (11) and the box body (1).

Description

Leakage-proof double-seal wind direction reversing valve Technical Field The utility model relates to the technical field related to wind direction reversing valves, in particular to a leakage-proof double-seal wind direction reversing valve. Background The wind direction reversing valve is a device for controlling the direction of air flow and is mainly used for switching between different working modes, such as blowing, air intake and windless states. It generally comprises a housing and a reversing mechanism. The inside of the box body is divided into a plurality of chambers, and the connection and the separation between the fan interface and the air outlet can be realized through the movement of the reversing mechanism, so that the direction of air flow is controlled. In ventilation, air conditioning, industrial gas transportation and other systems, the wind direction reversing valve plays a key role. Through searching, the wind direction reversing valve in the prior art is typically shown as a publication number CN202594394U, and comprises a wind conveying plate, a fan plate and a reversing mechanism between the wind conveying plate and the fan plate, wherein two wind openings are formed in the wind conveying plate, two wind openings are formed in corresponding positions on the fan plate, and the reversing mechanism enables the wind conveying plate and the corresponding wind openings on the fan plate to be communicated or blocked under the control of a driving mechanism so as to realize the air suction or blowing conversion. One side of the utility model is directly connected with the turbine fan, and the other side is directly connected with the pipeline, and the wind direction in the transmission pipeline is switched under the control of the central control system, so that the utility model has the advantages of compact structure, convenient installation and the like. To sum up, when current wind direction switching-over valve is connected with external pipeline, junction leakproofness is not good enough, leads to the gas leakage condition to appear easily after using a period to influence gas delivery's accuracy and stability, still probably cause the energy extravagant, to above-mentioned problem, need improve current equipment. Disclosure of utility model The utility model aims to provide a leakage-proof double-seal wind direction reversing valve, which aims to solve the problems that when the existing wind direction reversing valve provided in the background art is connected with an external pipeline, the sealing performance of the connecting part is poor, so that the condition of gas leakage easily occurs after a period of use, the accuracy and the stability of gas conveying are affected, and the energy waste is possibly caused. In order to achieve the purpose, the utility model provides the technical scheme that the anti-leakage double-seal wind direction reversing valve comprises a box body, The reversing assembly is arranged in the middle of the inner part of the box body, a plurality of positioning frames are arranged at the outer side of the lower end of the reversing assembly in the inner part of the box body, the positioning frames are of T-shaped structures, one sides of the positioning frames are connected to form a circular structure, meanwhile, through holes are formed in the middle of the positioning frames, air inlet assemblies and air outlet assemblies are respectively arranged at the outer sides of the opposite positioning frames, the air inlet assemblies and the air outlet assemblies have the same structure, simultaneously the air inlet subassembly includes stand pipe, screwed pipe and seal assembly, stand pipe one end is provided with the screwed pipe, and the inside threaded connection of through-hole of seting up in the middle of the positioning frame that the screwed pipe other end outside and corresponds the setting, is provided with first sealing gasket between stand pipe and the positioning frame outer end simultaneously, the stand pipe outside corresponds the position through seal assembly and is connected with the box. Preferably, the reversing assembly comprises a driving motor, a shaft coupling, a rotating shaft, a guide bearing, a positioning bearing, a ventilation opening and a sealing device, wherein the output end of the driving motor is connected with the top of the rotating shaft through the shaft coupling, the lower end of the rotating shaft penetrates through the middle of the upper end of the box body, the guide bearing is connected with the positioning bearing arranged at the lower end in the box body, the ventilation opening is formed in the positions, corresponding to the through opening, of the front surface and the back surface of the rotating shaft, and the sealing device is arranged in the positions, corresponding to the through opening, of the left side and the right side of the rotating shaft. Preferably, the driving motor is installed in the middle o