A recyclable assembled building aluminum alloy window frame protection device

Abstract

The present invention provides a rotatable assembled building aluminum alloy window frame protection device, which relates to the technical field of assembled buildings. The rotatable assembled building aluminum alloy window frame protection device comprises a wall, a window frame, a protection mechanism, a dust removal mechanism, and a hollow fixed tube. The wall is fixedly connected with a window frame, the window frame is movably connected with a protection mechanism, the bottom end of the protection mechanism is fixedly connected with a dust removal mechanism, and the protection mechanism is fixedly connected with a hollow fixed tube on the positive side near the corner of the wall. The protection mechanism is used to prevent the inner side of the window frame from being damaged by collision when construction workers carry building materials, and the outer side of the window frame is protected by arc-shaped protection parts and arc-shaped plates to prevent the outer side of the window frame from being damaged by collision. The present invention provides a rotatable assembled building aluminum alloy window frame protection device, which solves the problem of damage to the window frame caused by collision between building materials and the window frame during the process of carrying building materials through the window frame.

Description

Technical Field

[0001] The invention relates to the technical field of assembled buildings, and in particular to a rotatable assembled building aluminum alloy window frame protection device. Background Art

[0002] Prefabricated buildings refer to buildings that transfer a large amount of on-site work in traditional construction methods to factories, where building components and accessories are processed and manufactured, transported to the construction site, and assembled and installed on site through reliable connection methods.

[0003] During the installation of components of prefabricated buildings, some workers may collide with the window frames on the wall when carrying construction materials into the room through the window frames, causing damage to the window frames and affecting the subsequent installation of the windows. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a rotatable assembled building aluminum alloy window frame protection device, which solves the problem of damage to the window frame caused by collision between building materials and the window frame during the process of transporting building materials through the window frame.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a rotatable assembled building aluminum alloy window frame protection device, including a wall, a window frame, a protection mechanism, a dust removal mechanism, and a hollow fixed tube. The window frame is fixedly connected to the wall, the protection mechanism is movably connected to the window frame, the dust removal mechanism is fixedly connected to the bottom end of the protection mechanism, and the protection mechanism is fixedly connected to the front side near the corner of the wall with a hollow fixed tube.

[0008] Preferably, the end of the hollow fixed tube close to the wall is fixedly connected to an air supply device, an opening is provided in the middle of the wall, a part of the edge of the window frame is embedded in the wall and fixedly connected to the wall, and the protective mechanism is evenly arranged on the four inner sides of the window frame, and only the bottom end of the protective mechanism arranged at the bottom end of the inner side of the window frame is provided with a dust removal mechanism.

[0009] Preferably, the protection mechanism includes an arc plate arranged on the inner side of the window frame, and an air supply block arranged on the front side of the window frame near the inner corner of the wall, the air supply block is slidably connected to a sliding block at one end away from the wall, a connecting plate is fixedly connected between the sliding blocks, the bottom end of the connecting plate is fixedly connected to a first limit spring, the other end of the first limit spring is fixedly connected to an arc protection piece, the top of the arc protection piece is rotatably connected to the bottom end of the arc plate, an arc adjustment capsule is evenly fixedly connected to the inner side of the arc plate near the bottom end, an arc connecting plate is rotatably connected to the right side of the top end of the arc plate, the other end of the arc connecting plate is fixedly connected to a spiral capsule, a buffer capsule is fixedly connected to the middle right side of the spiral capsule, an elastic buffer column is evenly fixedly connected to the outer side of the spiral capsule, capsule balls are evenly arranged between the elastic buffer columns, the capsule balls are fixedly connected to the spiral capsule, an electromagnet block is fixedly connected to the bottom right side of the spiral capsule, a fixed connecting piece is evenly fixedly connected between the arc connecting plates inside the arc plate, and a semicircular magnetic block is fixedly connected to the other end of the fixed connecting piece.

[0010] Preferably, an elastic spiral spring coil is provided in the spiral capsule, the magnetic poles of the electromagnet block and the semicircular magnetic block are opposite, the sliding block, the air supply block and the arc plate are connected, the arc plate, the arc connecting plate and the spiral capsule are connected, a handle is provided in the middle of the outer side of the arc protective part, the hollow fixed tube is fixedly connected to the front side of the air supply block, and the outer side of the spiral capsule has a rough surface.

[0011] Preferably, the dust removal mechanism includes an air intake pipe fixedly connected to the hollow fixed tube, the other end of the air intake pipe is fixedly connected to a fixed guide tube, the bottom end of the fixed guide tube is fixedly connected to a collecting connection box, two sides are fixedly connected to two-way telescopic bag strip valve tubes, the other end of the two-way telescopic bag strip valve tube is fixedly connected to a pushing box, the pushing box is slidably connected with a sliding plate near the middle, the bottom end of the sliding plate is evenly fixedly connected to a second limit spring, the bottom end of the middle of the sliding plate is fixedly connected to an L-shaped pushing plate, the bottom end of the L-shaped pushing plate passes through the bottom end of the pushing box and is slidably connected between the pushing box, the other end of the L-shaped pushing plate is fixedly connected to a cleaning plate, the bottom end of the collecting connection box is evenly provided with a one-way exhaust pipe, the top end of the one-way exhaust pipe passes through the collecting connection box and is slidably connected with the collecting connection box, an elastic sealing sheet is fixedly connected between the one-way exhaust pipes and between the one-way exhaust pipe and the part of the one-way exhaust pipe passing through the collecting connection box, and the top end of the one-way exhaust pipe is fixedly connected to a connecting spring.

[0012] Preferably, the fixed duct is fixedly connected to the inner side of the arc plate, the air intake pipe passes through the arc plate and is fixedly connected to the fixed duct, the bottom ends of the elastic sealing sheets on both sides of the middle of the bottom end of the collecting connection box are arc-shaped and inclined toward the side away from the middle of the collecting connection box, the collecting connection box and the one-way exhaust pipe are connected, and an electrical connection contact is provided between the top and bottom ends of the inner side of the second limit spring.

[0013] (III) Beneficial effects

[0014] (1) The present invention, by arranging the arc plate, air supply block, sliding block, connecting plate, arc-shaped protective member, fixed connecting member, semicircular magnetic block, and spiral capsule in the protection mechanism, enables the device to adapt to window frames of different window thicknesses to protect the window frames. The arrangement of the arc plate, spiral capsule, and arc-shaped protective member facilitates the installation and removal of the device for reuse. The arrangement of the protection mechanism that fits the window frame facilitates construction workers to carry construction materials through the window frame.

[0015] (2) The present invention increases the thickness of the buffer layer on the inner side of the window frame by providing an arc-shaped protective member, a spiral capsule, a buffer capsule, an elastic buffer column, a capsule ball, and an electromagnet block in the protective mechanism. The spiral shape of the spiral capsule is used to increase the thickness of the buffer layer on the inner side of the window frame. The elastic buffer column, the capsule ball, and the buffer capsule provided on the spiral capsule cushion the spiral capsule when it is squeezed, thereby preventing the inner side of the window frame from being damaged by collision when construction workers carry construction materials. The arc-shaped protective member and the arc-shaped plate protect the outer side of the window frame, thereby preventing the outer side of the window frame from being damaged by collision.

[0016] (3) The present invention, through the air intake pipe, fixed duct, two-way telescopic bag strip valve tube, push box, sliding plate, limit spring, L-shaped push plate, and cleaning plate arranged in the dust removal mechanism, makes the two-way telescopic bag strip valve tube extend and the limit spring contract through the action of air to push the cleaning plate to contact with the bottom end of the inner groove of the window frame, so as to gather the dust at the bottom end of the groove of the air supply device to the middle part of the bottom end of the window frame, collect the dust in the bottom end of the window width, and facilitate the subsequent cleaning of the dust in the groove at the bottom end of the window frame.

[0017] (4) The present invention, through the collection connection box, connection spring, elastic sealing sheet, one-way exhaust pipe, cleaning plate, and two-way telescopic bag strip valve tube arranged in the dust removal mechanism, enables the dust in front of the cleaning plate to be sucked into the collection connection box under the action of airflow, and the mutual attraction between the electric currents enables the one-way exhaust pipe to continuously move and repeatedly collect the dust between the cleaning plates, thereby further enhancing the dust collection effect between the cleaning plates and preventing excessive dust in the groove at the bottom end of the inner side of the window frame during transportation and installation, affecting the subsequent installation of the window body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of the hollow fixed tube of the present invention;

[0020] Figure 3 For the present invention Figure 2 A magnified view of the structure at center;

[0021] Figure 4 It is a side view of the protection mechanism of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the dust removal mechanism of the present invention;

[0023] Figure 6 It is a front cross-sectional view of the dust removal mechanism of the present invention.

[0024] Among them, the wall 1, the window frame 2, the protection mechanism 3, the arc plate 301, the air supply block 302, the sliding block 303, the connecting plate 304, the first limit spring 305, the arc protection part 306, the arc adjustment capsule 307, the arc connecting plate 308, the spiral capsule 309, the buffer capsule 310, the elastic buffer column 311, the capsule ball 312, the electromagnet block 313, the fixed connecting part 314, the semicircular magnetic block 315, the dust removal mechanism 4, the air inlet pipe 401, the fixed guide tube 402, the two-way telescopic capsule strip valve tube 403, the push box 404, the sliding plate 405, the second limit spring 406, the L-shaped push plate 407, the cleaning plate 408, the one-way exhaust pipe 409, the connecting spring 410, the elastic sealing sheet 411, the collecting connection box 412, the hollow fixed pipe 5, and the air supply device 501. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figure 1-6 As shown, an embodiment of the present invention provides a rotatable assembled building aluminum alloy window frame protection device, including a wall 1, a window frame 2, a protection mechanism 3, a dust removal mechanism 4, and a hollow fixed tube 5. The window frame 2 is fixedly connected in the wall 1, the protection mechanism 3 is movably connected in the window frame 2, the dust removal mechanism 4 is fixedly connected to the bottom end of the protection mechanism 3, the protection mechanism 3 is fixedly connected to the front side near the corner of the wall 1 with the hollow fixed tube 5, and the end of the hollow fixed tube 5 near the wall 1 is fixedly connected to an air supply device 501, an opening is provided in the middle of the wall 1, a part of the edge of the window frame 2 is embedded in the wall 1 and fixedly connected to the wall 1, the protection mechanisms 3 are evenly arranged on the four inner sides of the window frame 2, and the dust removal mechanism 4 is only provided at the bottom end of the protection mechanism 3 arranged at the bottom end of the inner side of the window frame 2.

[0027] The protection mechanism 3 includes an arc-shaped plate 301 arranged on the inner side of the window frame 2, and an air supply block 302 arranged on the positive side of the window frame 2 near the inner corner of the wall 1, the air supply block 302 is slidably connected to the end away from the wall 1 with a sliding block 303, a connecting plate 304 is fixedly connected between the sliding blocks 303, the bottom end of the connecting plate 304 is fixedly connected to a first limit spring 305, the other end of the first limit spring 305 is fixedly connected to an arc-shaped protection member 306, the top of the arc-shaped protection member 306 is rotatably connected to the bottom end of the arc-shaped plate 301, an arc-shaped adjustment capsule 307 is evenly fixedly connected to the inner side of the arc-shaped plate 301 near the bottom end, an arc-shaped connecting plate 308 is rotatably connected to the right side of the top end of the arc-shaped plate 301, the other end of the arc-shaped connecting plate 308 is fixedly connected to a spiral capsule 309, a buffer capsule 310 is fixedly connected to the middle of the right side of the spiral capsule 309, and the outer side of the spiral capsule 309 is evenly fixedly connected to It is connected to an elastic buffer column 311, and capsule balls 312 are evenly arranged between the elastic buffer columns 311. The capsule balls 312 are fixedly connected to the spiral capsule body 309. An electromagnet block 313 is fixedly connected to the bottom right end of the spiral capsule body 309. A fixed connector 314 is evenly fixedly connected between the arc connecting plate 308 inside the arc plate 301, and a semicircular magnetic block 315 is fixedly connected to the other end of the fixed connector 314. An elastic spiral spring coil is arranged in the spiral capsule body 309. The magnetic poles of the electromagnet block 313 and the semicircular magnetic block 315 are opposite. The sliding block 303 and the air supply block 302 and the arc plate 301 are connected, and the arc plate 301 and the arc connecting plate 308 and the spiral capsule body 309 are connected. A handle is arranged on the middle part of the outer side of the arc protective member 306, and the hollow fixed tube 5 is fixedly connected to the front side of the air supply block 302. The outer side of the spiral capsule body 309 has a rough surface.

[0028] The dust removal mechanism 4 includes an air intake pipe 401 fixedly connected to the hollow fixed pipe 5, the other end of the air intake pipe 401 is fixedly connected to a fixed guide tube 402, the bottom end of the fixed guide tube 402 is fixedly connected to a collecting connection box 412, two sides are fixedly connected to two-way telescopic bag strip valve tubes 403, the other end of the two-way telescopic bag strip valve tube 403 is fixedly connected to a push box 404, a sliding plate 405 is slidably connected near the middle of the push box 404, the bottom end of the sliding plate 405 is evenly fixedly connected to a second limit spring 406, an L-shaped pushing plate 407 is fixedly connected to the bottom end of the middle of the sliding plate 405, the bottom end of the L-shaped pushing plate 407 passes through the bottom end of the pushing box 404 and is slidably connected to the pushing box 404, the other end of the L-shaped pushing plate 407 is fixedly connected to a cleaning plate 408, and the bottom end of the collecting connection box 412 is evenly provided with a one-way exhaust pipe 40 9. The top of the one-way exhaust pipe 409 passes through the collecting connection box 412 and is slidably connected with the collecting connection box 412. An elastic sealing sheet 411 is fixedly connected between the one-way exhaust pipes 409 and between the one-way exhaust pipe 409 and the part of the one-way exhaust pipe 409 passing through the collecting connection box 412. A connecting spring 410 is fixedly connected to the top of the one-way exhaust pipe 409. The fixed conduit 402 is fixedly connected to the inner side of the arc plate 301. The air intake pipe 401 passes through the arc plate 301 and is fixedly connected to the fixed conduit 402. The bottom ends of the elastic sealing sheets 411 on both sides of the middle part of the bottom end of the collecting connection box 412 are arc-shaped and inclined toward one side away from the middle part of the collecting connection box 412. The collecting connection box 412 and the one-way exhaust pipe 409 are connected. An energized connecting contact is provided between the top and bottom ends of the inner side of the second limit spring 406.

[0029] When in use, the device is placed in the opening in the middle of the wall 1, and the protection mechanism 3 is dragged to the side away from the wall 1 through the connecting plate 304, and the arc-shaped protection member 306 is pulled outward to place the cleaning plate 408 into the groove on the inner side of the window frame 2. When the protection mechanism 3 is placed in the groove, the arc-shaped protection member 306 is reset under the action of the first limit spring 305 so that the arc-shaped protection member 306 is close to the outer side of the window frame 2. At the same time, the air supply device 501 is started to inject air into the air supply block 302 through the hollow fixed pipe 5. The arc connecting plate 308 is entered, and a part of the air entering the arc plate 301 enters the arc adjusting capsule 307 to make the arc adjusting capsule 307 extend. The arc connecting plate 308 is pushed by the top of the arc adjusting capsule 307 to make the spiral capsule 309 move upward to a certain height, which is convenient for the extension of the spiral capsule 309 and prevents the spiral capsule 309 from being blocked by the wall 1 after a part of the extension. The air entering the arc connecting plate 308 is injected into the spiral capsule 309. As the air is continuously injected, the spiral capsule 309 is continuously extended. When the spiral capsule 309 is fully stretched, the injection of air into the spiral capsule 309 is stopped, and the air in the spiral capsule 309 is extracted through the air supply device 501 so that the end of the spiral capsule 309 away from the arc-shaped connecting plate 308 shrinks into a roll. During the shrinking process of the spiral capsule 309, current is passed through the semicircular magnetic block 315 and the electromagnet block 313 so that the electromagnet block 313 and the semicircular magnetic block 315 attract each other and drive the spiral capsule 309 to move downward a certain distance so that the rolled-up part of the spiral capsule 309 is placed on the outside of the window frame 2. When workers collide with the inside of the window frame 2 when carrying materials, the spiral setting of the spiral capsule 309 increases the thickness of the buffer layer and improves the buffer effect. The elastic buffer column 311, the capsule ball 312 and the buffer capsule 310 arranged on the spiral capsule 309 buffer the impact of the building materials, preventing the workers from causing damage to the inside of the window frame 2 when carrying the building materials. The arc-shaped protective member 306 protects the outside of the window frame 2 to prevent the outside of the window frame 2 from being hit when carrying the building materials.

[0030] When air is filled into the protection mechanism 3 by the air supply device 501, the air enters the collecting connection box 412 through the air inlet pipe 401 and the fixed guide tube 402. The air entering the two-way telescopic bag strip valve tube 403 is continuously accumulated in the collecting connection box 412, causing the two-way telescopic bag strip valve tube 403 to extend to both sides of the collecting connection box 412. The two-way telescopic bag strip valve tube 403 pushes the push box 404 to move in the groove on the inner side of the bottom end of the window frame 2. When the push box 404 drives the cleaning plate 408 to move the two inner ends of the bottom end of the window frame 2, the push box 404 stops moving under the action of the cleaning plate 408. The pressure in the push box 404 is continuously increased with the air. The injection enhancement pushes the sliding plate 405 downward, and the sliding plate 405 moves downward to push the cleaning plate 408 downward so that the bottom end of the cleaning plate 408 away from the push box 404 is close to the bottom end of the inner groove of the window frame 2. When the sliding plate 405 pushes the second limit spring 406 to contract, the energized connecting contacts in the second limit spring 406 touch each other, so that a current path is formed in the second limit spring 406. When current is passed through the second limit spring 406, the coils of the second limit spring 406 contract under the action of mutual attraction before the current, so that the bottom end of the cleaning plate 408 is always close to the bottom end of the inner groove of the window frame 2. When the air supply device 501 When exhausting air, the two-way telescopic bag strip valve tube 403 contracts and drives the push box 404 to move toward the side close to the collecting connection box 412, so that the dust on the inner side of the groove at the bottom end of the window frame 2 is gathered to the middle part of the window frame 2 through the cleaning plate 408. When the collecting connection box 412 is fully contracted, the inner part of the push box 404 drives the sliding plate 405 to move upward under the action of negative pressure, so that the energized connection contacts on the inner side of the second limit spring 406 are separated, so that the current is no longer passed through the second limit spring 406, so that the cleaning plate 408 is reset, and the sand and gravel gathered between the cleaning plates 408 are sucked into the one-way exhaust pipe 409 under the action of the air supply device 501. To the collection connection box 412, at this time, current is intermittently passed through the connection spring 410, so that the connection spring 410 continuously contracts and stretches, driving the one-way exhaust pipe 409 to continuously move left and right at the bottom of the collection connection box 412, so that the exhaust pipe 409 can repeatedly collect the dust in the groove, further enhancing the dust collection effect in the groove at the inner bottom end of the window frame 2, preventing excessive dust in the inner groove of the window frame 2 during construction or transportation, affecting the subsequent installation of the window, and the number of devices can be increased according to needs and connected through the hollow fixed tube 5, which can meet the protection of window frames 2 in multiple window holes on the same floor.

Claims

1. A rotatable assembled building aluminum alloy window frame protection device, comprising a wall (1), a window frame (2), a protection mechanism (3), a dust removal mechanism (4), and a hollow fixed tube (5), characterized in that: A window frame (2) is fixedly connected to the wall (1), a protective mechanism (3) is movably connected to the window frame (2), a dust removal mechanism (4) is fixedly connected to the bottom end of the protective mechanism (3), a hollow fixed pipe (5) is fixedly connected to the front side of the protective mechanism (3) near the corner of the wall (1); an air supply device (501) is fixedly connected to one end of the hollow fixed pipe (5) near the wall (1), an opening is provided in the middle of the wall (1), a portion of the edge of the window frame (2) is embedded in the wall (1) and fixedly connected to the wall (1), the protective mechanisms (3) are evenly arranged on the four inner sides of the window frame (2), and only the bottom end of the protective mechanism (3) arranged at the inner bottom end of the window frame (2) is provided with a dust removal mechanism. (4); The protection mechanism (3) comprises an arc-shaped plate (301) arranged on the inner side of the window frame (2), and an air supply block (302) arranged on the front side of the window frame (2) near the inner corner of the wall (1); one end of the air supply block (302) away from the wall (1) is slidably connected to a sliding block (303); a connecting plate (304) is fixedly connected between the sliding blocks (303); a first limit spring (305) is fixedly connected to the bottom end of the connecting plate (304); the other end of the first limit spring (305) is fixedly connected to an arc-shaped protection member (306); the top end of the arc-shaped protection member (306) is rotatably connected to the bottom end of the arc-shaped plate (301); the inner side of the arc-shaped plate (301) near the bottom end is uniformly connected. The arc-shaped plate (301) is fixedly connected with an arc-shaped adjustment capsule (307); the top right side of the arc-shaped plate (301) is rotatably connected with an arc-shaped connecting plate (308); the other end of the arc-shaped connecting plate (308) is fixedly connected with a spiral capsule (309); the middle right side of the spiral capsule (309) is fixedly connected with a buffer capsule (310); the outer side of the spiral capsule (309) is evenly fixedly connected with elastic buffer columns (311); capsule balls (312) are evenly arranged between the elastic buffer columns (311); the capsule balls (312) are fixedly connected to the spiral capsule (309); the bottom right side of the spiral capsule (309) is fixedly connected with an electromagnet block (313); the inner side of the arc-shaped plate (301) is connected with the arc-shaped connecting plate (308); A fixed connection piece (314) is evenly fixedly connected between the two ends, and a semicircular magnetic block (315) is fixedly connected to the other end of the fixed connection piece (314); an elastic spiral clockwork coil is arranged inside the spiral capsule (309); the magnetic poles of the electromagnet block (313) and the semicircular magnetic block (315) are opposite; the sliding block (303) and the air supply block (302) and the arc plate (301) are connected; the arc plate (301) and the arc connection plate (308) and the spiral capsule (309) are connected; a handle is arranged at the middle part of the outer side of the arc protection piece (306); the hollow fixed tube (5) is fixedly connected to the front side of the air supply block (302); and the outer side of the spiral capsule (309) is a rough surface.

2. The recyclable assembled building aluminum alloy window frame protection device according to claim 1 is characterized in that: The dust removal mechanism (4) comprises an air intake pipe (401) fixedly connected to the hollow fixed pipe (5); the other end of the air intake pipe (401) is fixedly connected to a fixed guide tube (402); the bottom end of the fixed guide tube (402) is fixedly connected to a collecting connection box (412); two sides are fixedly connected to bidirectional telescopic bag strip valve tubes (403); the other end of the bidirectional telescopic bag strip valve tube (403) is fixedly connected to a push box (404); a sliding plate (405) is slidably connected near the middle of the push box (404); a second limit spring (406) is evenly fixedly connected to the bottom end of the sliding plate (405); an L-shaped push plate (407) is fixedly connected to the bottom middle end of the sliding plate (405); and the L-shaped push plate (407) is fixedly connected to the bottom middle end of the sliding plate (405). The bottom end of the plate (407) passes through the bottom end of the push box (404) and is slidably connected to the push box (404); the other end of the L-shaped push plate (407) is fixedly connected to a cleaning plate (408); the bottom end of the collection connection box (412) is evenly provided with a one-way exhaust pipe (409); the top end of the one-way exhaust pipe (409) passes through the collection connection box (412) and is slidably connected to the collection connection box (412); an elastic sealing sheet (411) is fixedly connected between the one-way exhaust pipe (409) and between the one-way exhaust pipe (409) and the part of the one-way exhaust pipe (409) passing through the collection connection box (412); and the top end of the one-way exhaust pipe (409) is fixedly connected to a connecting spring (410).

3. The recyclable assembled building aluminum alloy window frame protection device according to claim 2 is characterized in that: The fixed conduit (402) is fixedly connected to the inner side of the arc plate (301); the air intake pipe (401) passes through the arc plate (301) and is fixedly connected to the fixed conduit (402); the bottom ends of the elastic sealing sheets (411) on both sides of the middle of the bottom end of the collecting connection box (412) are arc-shaped and inclined toward a side away from the middle of the collecting connection box (412); the collecting connection box (412) and the one-way exhaust pipe (409) are connected; and an electrical connection contact is provided between the top and bottom ends of the inner side of the second limit spring (406).

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