Insertion plate type smoke isolation door

Abstract

The utility model relates to the technical field of flashboard valves, and discloses a flashboard type smoke isolation door which comprises a fixing frame, a limiting partition plate is fixedly connected to the middle of the inner side of the fixing frame, a rectangular limiting hole is formed in the side face of the limiting partition plate, and a flashboard door is arranged on the inner wall of the rectangular limiting hole in a sliding mode. The insertion plate door is slidably connected with the inner wall of the fixed frame, and the right side of the insertion plate door is fixedly connected with a connecting plate. The sealing assembly is arranged on the surface of the slide plate gate, after the drive mechanism is used for driving the slide plate gate to seal the fixed frame, the air pump and the corrugated pipe can be used for inflating the sealing air cushion on the side edge of the slide plate gate, and the expanded sealing air cushion is used for filling the sealing groove in the inner side of the fixed frame. Therefore, a gap between the side edge of the slide plate gate and the fixed frame can be blocked, the air tightness of the slide plate gate is improved, and the smoke isolation performance of the slide plate gate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plug-in valves, and more specifically to a plug-in type smoke isolation door. Background Art

[0002] Isolation doors, also known as partition doors, isolation doors or heat insulation gate doors, etc. Isolation doors are roughly divided into two types: plug-in doors and flap doors. The cross-sectional shape of the flue or air duct of the plug-in door is circular, that is, the plug-in door has a circular door frame, but it is generally rectangular, that is, a rectangular door frame is used with a rectangular door.

[0003] A plug-in type smoke isolation door with announcement number CN212081281U includes a rectangular door frame and a plug-in door, wherein the rectangular door frame is divided into a sealing door frame whose two ends are connected and sealed with the inlet and outlet ends of the rectangular flue and a track frame for accommodating the pulled-out plug-in door, and the transverse partitions of the two frames are provided with long through holes for the plug-in door to move linearly, and the rectangular door frame is provided with a driving mechanism for pulling out and inserting the plug-in door; a movable rectangular frame for moving along the inlet and outlet direction of the flue is provided in the sealing frame, and a frame-type baffle for pressing the plug-in door against the end face of the outlet end of the movable rectangular frame is provided in the sealing door frame connected to the outlet end of the flue to seal, and a driving mechanism for moving the movable rectangular frame along the inlet and outlet direction of the flue is provided on the sealing frame; and an elastic sealing structure is provided between the inlet end of the movable rectangular frame and the inlet end of the sealing frame. The plug-in type smoke isolation door can be used in high temperature environments, has high strength, low failure rate, and a relatively simple sealing structure.

[0004] During actual use of the smoke isolation door proposed in the above patent document, when the plug-in valve is closed, its edge is worn out due to long-term use, resulting in a certain gap between the valve and the frame, which reduces the air tightness of the valve, causing loose closure and air leakage, affecting the normal use of the isolation valve. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a plug-in type smoke isolation door, which has the advantages of high air tightness and convenient use, so as to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: a plug-in type smoke isolation door, comprising a fixed frame, a limited spacer is fixedly connected to the inner middle part of the fixed frame, a rectangular limited hole is provided on the side of the limited spacer, a plug-in door is slidably provided on the inner wall of the rectangular limited hole, the plug-in door is slidably connected to the inner wall of the fixed frame, a connecting plate is fixedly connected to the right side of the plug-in door, a driving block is fixedly connected to the upper surface of the connecting plate, a threaded hole is provided on the side of the driving block, a movable screw is rotatably connected to the right inner wall of the fixed frame, the movable screw matches the threaded hole on the surface of the driving block, and the driving block is threadedly connected to the surface of the movable screw through the threaded hole;

[0007] A driving mechanism is fixedly arranged on the right side of the fixed frame, and the driving mechanism is used to drive the plug-in door to open and close. The driving mechanism includes a protective cover, and a transmission box is fixedly connected to the left side of the protective cover, and a driving motor is fixedly installed on the back of the transmission box;

[0008] A sealing assembly is arranged on the surface of the plug-in door, and the sealing assembly comprises a sealing air cushion arranged on the surface of the plug-in door and an air filling box fixedly connected to the inner side of a fixed frame.

[0009] Furthermore, an air pump is fixedly installed on the surface of the inflation box, a three-way pipe is fixedly arranged inside the inflation box, and the output end of the air pump extends to the inside of the inflation box and is fixedly connected to the input end of the three-way pipe.

[0010] Furthermore, the output end of the three-way pipe is fixedly connected to an air guide connecting pipe, the output end of the air guide connecting pipe extends to the outside of the inflation box and is fixedly connected to a bellows, and one end of the bellows away from the inflation box is fixedly connected to the input end of the sealing air cushion.

[0011] Furthermore, the output end of the three-way pipe is fixedly connected to a pressure relief pipe, the surface of the pressure relief pipe is fixedly connected to an electromagnetic pressure relief valve, and the exhaust port of the pressure relief pipe extends to the outside of the inflation box.

[0012] Furthermore, the left side and front and rear surfaces of the plug-in door are provided with strip grooves, the sealing air cushion is fixedly connected to the inner wall of the strip groove, and a sealing groove is provided on the inner side of the fixed frame, the position of the sealing groove corresponds to the sealing air cushion, and the size of the sealing groove matches the sealing air cushion.

[0013] Furthermore, the output shaft of the driving motor extends to the interior of the transmission box and is fixed with a driving gear. A transmission rod is rotatably arranged inside the transmission box, a driven gear is fixed on the surface of the transmission rod, and the driving gear is meshed with the driven gear.

[0014] Furthermore, one end of the transmission rod extends to the outside of the transmission box and is fixedly connected to a handwheel, and the other end of the transmission rod extends to the inside of the protective cover, the end of the movable screw rod away from the driving block extends to the inside of the protective cover, and the ends of the movable screw rod and the movable screw rod are fixedly installed with synchronous wheels, and the surfaces of the two synchronous wheels are provided with transmission belts.

[0015] Furthermore, two upper baffles and a lower baffle are respectively fixedly connected between the inner side of the fixed frame and the limiting partition, and the upper baffle and the lower baffle are used to limit the upper and lower surfaces of the plug-in door.

[0016] Technical effects and advantages of the utility model:

[0017] 1. The utility model provides a sealing component on the surface of the plug-in door. After the plug-in door is driven by a driving mechanism to close the fixed frame, an air pump and a bellows can be used to inflate the sealing air cushion on the side of the plug-in door, and the inflated sealing air cushion is used to fill the sealing groove on the inner side of the fixed frame, so that the gap between the side of the plug-in door and the fixed frame can be sealed, thereby improving the airtightness of the plug-in door, which is beneficial to improving the smoke isolation performance of the plug-in door.

[0018] 2. The utility model sets a transmission box and a transmission rod. When opening and closing the plug door, the driving motor can be used to drive the driving gear and the driven gear to drive the transmission rod to rotate, and then the movable lead screw is driven to rotate through the synchronous belt box transmission belt, thereby driving the plug door to move. In the case of power failure, the transmission rod can be directly driven to rotate by manually turning the hand wheel to open and close the plug door, thereby realizing the opening and closing of the plug door in the case of power failure, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the bottom viewing angle structure of the fixed frame of the utility model;

[0021] Figure 3 This is a side view of the structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the front cross-section structure of the inflatable box of the utility model;

[0023] Figure 5 This is a schematic diagram of the internal structure of the sealing air cushion of the utility model;

[0024] Figure 6 It is a schematic diagram of the top-sectional structure of the transmission box of the utility model.

[0025] The reference numerals are: 1, fixed frame; 2, limiting partition; 3, rectangular limiting hole; 4, plug-in door; 5, connecting plate; 6, driving block; 7, movable screw rod; 8, driving mechanism; 9, sealing assembly; 10, strip groove; 11, sealing groove; 12, upper baffle; 13, lower baffle;

[0026] 801, protective cover; 802, transmission box; 803, driving motor; 804, driving gear; 805, transmission rod; 806, driven gear; 807, hand wheel; 808, transmission belt; 809, synchronous wheel;

[0027] 901, sealing air cushion; 902, inflation box; 903, air pump; 904, three-way pipe; 905, air guide connecting pipe; 906, bellows; 907, pressure relief pipe; 908, electromagnetic pressure relief valve. DETAILED DESCRIPTION

[0028] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The plug-in type smoke isolation door involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0029] Reference Figure 1-6 The utility model provides a plug-in type smoke isolation door, comprising a fixed frame 1, a limited partition plate 2 is fixedly connected to the inner middle part of the fixed frame 1, a rectangular limited hole 3 is opened on the side of the limited partition plate 2, a plug-in door 4 is slidably arranged on the inner wall of the rectangular limited hole 3, the plug-in door 4 is slidably connected to the inner wall of the fixed frame 1, a connecting plate 5 is fixedly connected to the right side of the plug-in door 4, a driving block 6 is fixedly connected to the upper surface of the connecting plate 5, a threaded hole is opened on the side of the driving block 6, a movable screw rod 7 is rotatably connected to the right inner wall of the fixed frame 1, the movable screw rod 7 matches the threaded hole on the surface of the driving block 6, and the driving block 6 is threadedly connected to the surface of the movable screw rod 7 through the threaded hole.

[0030] Two upper baffles 12 and a lower baffle 13 are fixedly connected between the inner side of the fixed frame 1 and the limiting partition 2 , respectively. The upper baffle 12 and the lower baffle 13 are used to limit the upper and lower surfaces of the plug-in door 4 .

[0031] By providing the upper baffle plate 12 and the lower baffle plate 13, the movement of the plug-in door 4 can be limited, thereby improving the stability of the plug-in door 4 when moving.

[0032] A driving mechanism 8 is fixedly arranged on the right side of the fixed frame 1, and the driving mechanism 8 is used to drive the plug-in door 4 to open and close. The driving mechanism 8 includes a protective cover 801, and a transmission box 802 is fixedly connected to the left side of the protective cover 801, and a driving motor 803 is fixedly installed on the back of the transmission box 802.

[0033] The output shaft of the driving motor 803 extends to the interior of the transmission box 802 and is fixed with a driving gear 804. A transmission rod 805 is rotatably arranged inside the transmission box 802. A driven gear 806 is fixed on the surface of the transmission rod 805. The driving gear 804 meshes with the driven gear 806.

[0034] One end of the transmission rod 805 extends to the outside of the transmission box 802 and is fixedly connected to a handwheel 807, and the other end of the transmission rod 805 extends to the inside of the protective cover 801, and the end of the movable screw rod 7 away from the driving block 6 extends to the inside of the protective cover 801, and the ends of the movable screw rod 7 and the movable screw rod 7 are fixedly installed with synchronous wheels 809, and the surfaces of the two synchronous wheels 809 are provided with transmission belts 808.

[0035] It is worth mentioning that by setting up the transmission box 802 and the transmission rod 805, when the plug-in door 4 is opened and closed, the driving motor 803 is used to drive the driving gear 804 to rotate, and then drive the driven gear 806 and the transmission rod 805 to rotate, and then the transmission rod 805 is used to drive the synchronous wheel 809 inside the protective cover 801 to rotate, and the transmission belt 808 is used to drive the movable screw rod 7 to rotate, and the movable screw rod 7 is used to drive the driving block 6 to move on its surface, and then the driving block 6 is used to drive the connecting plate 5 to move, and then the plug-in door 4 is driven to move in the rectangular limiting hole 3 of the limiting partition 2, so as to realize the opening or closing of the plug-in door 4. When encountering a power outage, the hand wheel 807 can be manually turned to directly drive the transmission rod 805 to rotate, and then the plug-in door 4 can be opened and closed, so as to realize the opening and closing of the plug-in door 4 in the case of a power outage, thereby improving practicality.

[0036] A sealing assembly 9 is provided on the surface of the plug-in door 4 , and the sealing assembly 9 includes a sealing air cushion 901 provided on the surface of the plug-in door 4 and an air filling box 902 fixedly connected to the inner side of the fixed frame 1 .

[0037] A strip groove 10 is provided on the left side and the front and rear surfaces of the plug-in door 4, and a sealing air cushion 901 is fixedly connected to the inner wall of the strip groove 10. A sealing groove 11 is provided on the inner side of the fixed frame 1. The position of the sealing groove 11 corresponds to the sealing air cushion 901, and the size of the sealing groove 11 matches the sealing air cushion 901.

[0038] An air pump 903 is fixedly installed on the surface of the air box 902 , and a three-way pipe 904 is fixedly arranged inside the air box 902 . The output end of the air pump 903 extends to the inside of the air box 902 and is fixedly connected to the input end of the three-way pipe 904 .

[0039] The output end of the three-way pipe 904 is fixedly connected to the air guide connecting pipe 905, the output end of the air guide connecting pipe 905 extends to the outside of the inflation box 902, and is fixedly connected to the bellows 906, and the end of the bellows 906 away from the inflation box 902 is fixedly connected to the input end of the sealing air cushion 901.

[0040] The output end of the three-way pipe 904 is fixedly connected to a pressure relief pipe 907 , the surface of the pressure relief pipe 907 is fixedly connected to an electromagnetic pressure relief valve 908 , and the exhaust port of the pressure relief pipe 907 extends to the outside of the inflation box 902 .

[0041] Through the above technical solution, when opening the plug door 4, the electromagnetic pressure relief valve 908 can be used to open the pressure relief pipe 907, and then the pressure relief pipe 907 can be used to relieve the pressure and exhaust the sealing air cushion 901, thereby facilitating the opening of the door.

[0042] It is worth mentioning that by providing a sealing air cushion 901 on the edge of the plug-in door 4, after the plug-in door 4 is closed to the fixed frame 1, the air pump 903 and the bellows 906 can be started to inflate the sealing air cushion 901 on the side of the plug-in door 4, and the inflated sealing air cushion 901 can be used to fill the sealing groove 11 on the inner side of the fixed frame 1. The sealing air cushion 901 can be used to seal the gap between the side of the plug-in door 4 and the fixed frame 1, thereby improving the air tightness of the plug-in door 4 and thus improving the smoke isolation performance of the plug-in door 4.

[0043] Finally, it should be noted that the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model. The above description is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A plug-in type smoke isolation door, comprising a fixed frame (1), characterized in that: A limiting partition plate (2) is fixedly connected to the middle part of the inner side of the fixed frame (1), a rectangular limiting hole (3) is provided on the side of the limiting partition plate (2), a plug-in door (4) is slidably provided on the inner wall of the rectangular limiting hole (3), the plug-in door (4) is slidably connected to the inner wall of the fixed frame (1), a connecting plate (5) is fixedly connected to the right side of the plug-in door (4), a driving block (6) is fixedly connected to the upper surface of the connecting plate (5), a threaded hole is provided on the side of the driving block (6), a movable screw rod (7) is rotatably connected to the inner wall of the right side of the fixed frame (1), the movable screw rod (7) matches the threaded hole on the surface of the driving block (6), and the driving block (6) is threadedly connected to the surface of the movable screw rod (7) through the threaded hole; A driving mechanism (8) is fixedly arranged on the right side of the fixed frame (1), and the driving mechanism (8) is used to drive the plug-in door (4) to open and close, and the driving mechanism (8) comprises a protective cover (801), a transmission box (802) is fixedly connected to the left side of the protective cover (801), and a driving motor (803) is fixedly installed on the back side of the transmission box (802); A sealing assembly (9) is provided on the surface of the plug-in door (4), and the sealing assembly (9) comprises a sealing air cushion (901) provided on the surface of the plug-in door (4) and an air filling box (902) fixedly connected to the inner side of the fixed frame (1).

2. The plug-in type smoke isolation door according to claim 1, characterized in that: An air pump (903) is fixedly mounted on the surface of the inflation box (902), a three-way pipe (904) is fixedly arranged inside the inflation box (902), and an output end of the air pump (903) extends into the interior of the inflation box (902) and is fixedly connected to an input end of the three-way pipe (904).

3. The plug-in type smoke isolation door according to claim 2, characterized in that: The output end of the three-way pipe (904) is fixedly connected to an air guide connecting pipe (905), the output end of the air guide connecting pipe (905) extends to the outside of the inflation box (902) and is fixedly connected to a bellows (906), and one end of the bellows (906) away from the inflation box (902) is fixedly connected to the input end of the sealing air cushion (901).

4. The plug-in type smoke isolation door according to claim 3, characterized in that: The output end of the three-way pipe (904) is fixedly connected to a pressure relief pipe (907), the surface of the pressure relief pipe (907) is fixedly connected to an electromagnetic pressure relief valve (908), and the exhaust port of the pressure relief pipe (907) extends to the outside of the inflation box (902).

5. The plug-in type smoke isolation door according to claim 4, characterized in that: The left side and the front and rear surfaces of the plug-in door (4) are provided with a strip groove (10), the sealing air cushion (901) is fixedly connected to the inner wall of the strip groove (10), and the inner side of the fixed frame (1) is provided with a sealing groove (11), the position of the sealing groove (11) corresponds to the sealing air cushion (901), and the size of the sealing groove (11) matches the sealing air cushion (901).

6. The plug-in type smoke isolation door according to claim 1, characterized in that: The output shaft of the driving motor (803) extends to the interior of the transmission box (802) and is fixed with a driving gear (804). A transmission rod (805) is rotatably arranged inside the transmission box (802). A driven gear (806) is fixed on the surface of the transmission rod (805). The driving gear (804) meshes with the driven gear (806).

7. The plug-in type smoke isolation door according to claim 6, characterized in that: One end of the transmission rod (805) extends to the outside of the transmission box (802) and is fixedly connected to a hand wheel (807), and the other end of the transmission rod (805) extends to the inside of the protective cover (801), and one end of the movable lead screw (7) away from the driving block (6) extends to the inside of the protective cover (801), and the ends of the movable lead screw (7) and the movable lead screw (7) are fixedly mounted with synchronous wheels (809), and the surfaces of the two synchronous wheels (809) are sleeved with transmission belts (808).

8. The plug-in type smoke isolation door according to claim 1, characterized in that: Two upper baffles (12) and a lower baffle (13) are respectively fixedly connected between the inner side of the fixed frame (1) and the limiting partition (2), and the upper baffles (12) and the lower baffles (13) are used to limit the upper and lower surfaces of the plug-in door (4).

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