CN107508248A - The adjustable plugging device in aperture - Google Patents

Abstract

The present invention relates to a kind of adjustable plugging device in aperture, including cylinder and string holes adjustment structure, the string holes adjustment structure includes rotary part and some regulation blades, the regulation blade is arranged at the bottom of the cylinder, and the rotary part is rotatably arranged in the cylinder and drives the regulation mounted blade or pack up.The adjustable plugging device in aperture of the present invention for temporarily by pipeline passage is provided, the arrangement for avoiding interim pipeline destroys the integrality on fire prevention border, and can prevent biological entrance.

Description

Adjustable pore occluder

technical field

The invention relates to the technical field of fire prevention equipment, in particular to a occluder with adjustable aperture.

Background technique

The power engineering industry, especially nuclear power plants, often needs to be shut down for maintenance. Maintenance personnel often use a large number of temporary cables during the shutdown period. In the actual maintenance process, most of the fire doors are used as temporary cable passages. Therefore, the fire doors are open for a long time, destroying the original fire prevention function of the fire doors, and the fire hazards are increasing. Once an emergency fire occurs, this It will cause immeasurable losses to high-risk factories such as power plants. Moreover, if the fire doors are open for a long time, creatures such as snakes and rats will enter the factory building through temporary pipelines, bringing other unknown safety hazards to the equipment in the factory building.

Therefore, there is an urgent need for a blocking device that can provide passages for temporary passing pipelines and prevent the entry of organisms to overcome the above-mentioned defects.

Contents of the invention

Based on this, it is necessary to address the existing technical problems and provide a occluder with an adjustable aperture that provides passages for temporarily passing pipelines, avoids the arrangement of temporary pipelines from destroying the integrity of the fire protection boundary, and prevents organisms from entering.

The occluder with adjustable aperture provided by the present invention includes a cylinder body and a wire hole adjustment structure, and the wire hole adjustment structure includes a rotating part and several adjustment blades, the adjustment blades are arranged at the bottom of the cylinder body, and the rotation The component is rotatably arranged in the barrel and drives the regulating blades to expand or retract.

Preferably, both sides of the regulating blade are provided with a first short shaft and a second short shaft respectively, the bottom of the cylinder is provided with a fixed blind hole pivotally connected with the first short shaft, and the rotating part The bottom of the bottom is provided with an arc-shaped first limiting hole, and the second short shaft is inserted into the first limiting hole. The adjusting blades are driven to expand or retract through the ingenious cooperation between the first short shaft, the second short shaft, the fixing blind hole and the first limiting hole.

Two third short shafts and a fourth short shaft are respectively provided on both sides of the regulating blade, and the bottom of the cylinder is provided with a bar-shaped groove for sliding insertion of the two third short shafts. The bottom is provided with an arc-shaped second limiting hole, and the fourth short shaft is slidably inserted into the second limiting hole.

Specifically, the edge of the adjusting blade is provided with chamfers, and the chamfering can effectively prevent the phenomenon such as scratching the pipeline by the adjusting blade, and better protect the pipeline.

Preferably, the wire hole adjusting structure further includes a locking structure, and the locking structure positions the relative position between the rotating part and the barrel so as to fix the opening size of the wire hole. By further fixing the rotating part, it is possible to prevent the rotating part from turning accidentally to open the blades, and reduce the gap between the wire hole and the pipeline, thereby improving the overall performance of fire prevention and biological ingress prevention.

Specifically, the locking structure includes a first bolt and a first nut, the side wall of the barrel is provided with an elongated hole, the side wall of the rotating part is provided with a positioning hole, and the first bolt passes through the The elongated hole and the positioning hole are connected to the first nut, and the first nut is mated to the first bolt to clamp or loosen the rotating component and the cylinder. Setting the first nut to cooperate with the first bolt can make the operation of the locking structure simpler and more convenient.

Specifically, the locking structure includes a steel belt and a lock, the steel belt covers the outer wall of the rotating part and the outer wall of the barrel, and the lock tightens or loosens the steel belt so that Clamping or loosening the rotating part and the barrel. The combination of the steel belt and the lock buckle can make the operation of the locking structure simpler and more convenient.

More specifically, the outer wall of the rotating part and the outer wall of the barrel are provided with grooves, and the steel strip is arranged on the two grooves. In this way, the steel belt can better fix the relative position between the rotating component and the barrel, and improve the overall fastening effect of the locking structure.

More specifically, the outer wall of the rotating component and the inner wall of the barrel are provided with threads that cooperate with each other. The provision of the thread is not only convenient for installation, but also prevents the rotating part from being separated from the second through hole due to a large radial displacement due to improper force application when adjusting the size of the blade opening.

Specifically, the locking structure includes a second bolt, a second nut, a support ear provided on the side wall of the cylinder, and a rotating ear provided on the side wall of the rotating component, and the rotating ear is provided with an arc shape one end of the second bolt passes through the arc-shaped hole and is fixed on the support ear, and the other end is mated with the second nut to clamp or loosen the rotating part and the barrel body.

Specifically, the supporting ears are provided with fixing holes for connecting to walls.

Preferably, the occluder with adjustable aperture further includes a sealing cover, which is reversibly arranged and located at the other end of the barrel, so as to isolate the inside of the barrel from the outside. The sealing cover can be directly closed when not in use, thereby improving airtightness, watertightness and fireproof performance.

Specifically, a gasket is provided on the inside of the sealing cover to seal the inside of the cylinder body from the outside. The gasket can further improve the airtightness, watertightness and fireproof performance of the plugging.

Specifically, the occluder with adjustable aperture further includes a clamping structure for clamping the sealing cap. The opening and closing of the sealing cover is controlled by the clamping structure, so that the sealing cover can be closed more tightly, preventing the sealing cover from being accidentally opened, and further improving airtightness, watertightness and fireproof performance.

More specifically, the clamping structure includes a clamping handle and a clamping piece, the clamping piece is provided with a slot, the clamping handle is pivotally connected to the sealing cover, and the clamping piece is opposite to the The cylinder body is fixed, and the clamping handle is clamped in the clamping groove. In this way, the sealing cover can be clamped better, the structure is simple and convenient, and the operation is easy.

More specifically, the clamping structure includes a third bolt, a third nut, a pressing ear fixed on the sealing cover, and a fixing ear fixed on the side wall of the barrel, the pressing ear and the The fixing ears are respectively provided with holes for the third bolts to pass through, and the third bolts pass through the two holes and cooperate with the third nuts to compress the sealing cover.

Preferably, the cylinder body has a first through hole and a second through hole, the inner diameter of the first through hole is smaller than the inner diameter of the second through hole, and the wire hole adjusting structure is arranged in the second through hole. hole.

The beneficial effects of the present invention are: the present invention arranges a rotating part and several regulating blades in the cylinder, and utilizes the rotating part to drive the regulating blades to expand or retract, so that the diameters of the pipelines and the size of different pairs of line holes can be It can be adjusted and fixed, and the cylinder body can also be directly closed according to the user's needs to isolate the two ends of the cylinder body. Therefore, through the cooperation of the cylinder body and the line hole adjustment structure, a channel is provided for the pipeline passing through temporarily, and the temporary pipeline is avoided. The layout destroys the integrity of the fire prevention boundary, and there is no need to block it after threading. The operation is simple and convenient, and it can effectively prevent snakes, rats and other organisms from entering the factory building through temporary pipelines, which plays a role in shielding organisms and improves overall safety. Sealing performance and fire performance.

Description of drawings

Fig. 1 is a schematic perspective view of the first embodiment of the occluder with adjustable aperture of the present invention.

Fig. 2 is a full cross-sectional view of the first embodiment of the occluder with adjustable aperture of the present invention.

Fig. 3 is a top view of the adjusting blade of the occluder with adjustable aperture of the present invention.

Fig. 4 is a full cross-sectional view of the occluder with adjustable aperture of the present invention when it is used on a wall.

Fig. 5 is a schematic perspective view of the second embodiment of the occluder with adjustable aperture of the present invention.

Fig. 6 is a half-sectional view of the second embodiment of the occluder with adjustable aperture of the present invention.

Fig. 7 is a schematic perspective view of the third embodiment of the occluder with adjustable aperture of the present invention.

Fig. 8 is a full cross-sectional view of the third embodiment of the occluder with adjustable aperture of the present invention.

Fig. 9 is a full perspective view of the third embodiment of the occluder with adjustable aperture of the present invention.

Fig. 10 is a front view of the third embodiment of the occluder with adjustable aperture of the present invention.

detailed description

In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to Fig. 1-2, which shows the first embodiment of the occluder with adjustable aperture of the present invention. In this embodiment, the occluder 100 with adjustable aperture includes a cylinder body 1 and a line hole adjustment structure 3, the cylinder body 1 is a carbon steel cylinder body with two-stage variable diameter, and the cylinder body 1 has a first through hole hole 11 and a second through hole 12, the inner diameter of the first through hole 11 is smaller than the inner diameter of the second through hole 12, and the wire hole adjustment structure 3 is matched and connected on the inner surface of the second through hole 12 , the wire hole adjusting structure 3 adjusts the size of the opening of the wire hole 13 to connect or cut off the two ends of the barrel 1 . In addition, the occluder with adjustable aperture can also have a fireproof material layer 2, the fireproof material layer 2 is made of a sheet-shaped fireproof material with a high expansion rate, and is rolled into a tube and sleeved on the first channel. On the inner surface of the hole 11, when a fire occurs, the high-expansion fireproof material can rapidly expand and block the interior of the cylinder 1 so as to block the passage of the fire and achieve excellent fireproof performance; the fireproof material should have a fire resistance of not less than 2 hours. fire resistance limit. More specifically, as follows:

Please refer to Figures 1-3, the wire hole adjusting structure 3 includes a plurality of adjusting blades 31 and a rotating part 32, the number of adjusting blades 31 in this embodiment is 6 to 8, the thickness is 1 to 2mm, and carbon steel is used sheet, cast steel sheet or alloy steel sheet material; the regulating blade 31 is in the shape of a fan blade with chamfers on the edge, which can effectively avoid the phenomena such as the regulating blade 31 scratching the pipeline and better protect the pipeline. A first short shaft 311 and a second short shaft 312 are respectively provided on both sides of the adjusting blade 31, and the bottom of the second through hole 12 is provided with a fixed blind hole 14 pivotally connected with the first short shaft 311, The rotating part 32 has a cylindrical structure and is sleeved in the second through hole 12. The bottom of the rotating part 32 is provided with a strip-shaped first limiting hole 321. The first limiting hole 321 is an arc structure, the second short shaft 312 is plugged into the first limiting hole 321, the rotation of the rotating part 32 drives the rotation of the first limiting hole 321, thereby driving the first limiting hole 321 The two short shafts 312 rotate around the first short shaft 311 , and the different rotation degrees of the regulating blades 31 correspond to different opening sizes of the wire holes 13 .

Further, please refer to Fig. 1-2, the wire hole adjustment structure 3 also includes a locking structure 33, the locking structure 33 includes a first bolt 331 and a first nut 332, the side wall of the barrel 1 is provided with There is an elongated hole 334, the side wall of the rotating part 32 is provided with a positioning hole 333, the first bolt 331 passes through the elongated hole 334 and the positioning hole 333 and is connected with the first nut 332, so The first nut 332 cooperates with the first bolt 331 to clamp or loosen the rotating part 32 and the barrel 1 .

Meanwhile, in this embodiment, please refer to Fig. 1, 2 and 4, the occluder 100 with adjustable aperture also includes a sealing cover 4, and the sealing cover 4 is connected with the cylinder body 1 through a bolt, so that The sealing cover 4 is reversibly connected to the other end of the cylinder body 1 to isolate the inside of the cylinder body 1 from the outside world, and a locking device is arranged between the sealing cover 4 and the cylinder body 1 Structure 5, the clamping structure 5 includes a clamping handle 511 and a clamping member 512, the clamping member 512 is provided with a clamping groove 513, the clamping handle 511 is pivotally connected to the sealing cover 4, pivotally connected The shaft is arranged perpendicular to the surface of the sealing cover 4, the clamping member 512 is fixed relative to the cylinder body 1, and the clamping handle 511 is clamped in the locking groove 513 to clamp the sealing cover 4 , the clamping handle 511 withdraws from the clamping groove 513 through rotational movement, so that the sealing cover 4 is opened. A gasket 6 is arranged between the sealing cover 4 and the cylinder body 1 , and the gasket 6 is arranged inside the sealing cover 4 . The gasket 6 is made of organic rubber material with at least B1 fire resistance level, which can further improve the airtightness, watertightness and overall fireproof performance of the plugging.

Please refer to Fig. 1, 2 and 4, when in use, the occluder 100 with adjustable aperture of the present invention is respectively installed on both sides of the wall 300, the user opens the sealing cover 4, loosens the locking structure 33, and rotates For the rotating part 32, different degrees of rotation correspond to different opening sizes of the wire hole 13, and the pipeline 400 enters the factory building through the second through hole 12, the wire hole 13 and the first through hole 11 of the cylinder body 1. Therefore, The user adjusts the opening size of the wire hole 13 according to different diameters and different numbers of pipelines; after the adjustment is completed, the wire hole 13 clamps the pipeline, and the user locks the locking structure 33 . When encountering a fire, the fireproof material layer 2 will rapidly expand to block the inside of the cylinder 1 so as to block the passage of the fire. After use, the pipeline 400 is removed from the occluder 100 with adjustable aperture, and the user closes the line hole 13 and closes the sealing cover 4 through adjustment, so that multiple functions such as fire prevention, airtightness, and watertightness can be achieved. Effect.

The present invention can adjust and fix according to the different diameters of the pipelines and the size of different pairs of wire holes by setting the rotating parts and several adjusting blades in the cylinder body 1, and using the rotating parts to drive the adjusting blades to expand or retract. , can also directly close the cylinder according to the needs of the user to isolate the two ends of the cylinder. Therefore, through the cooperation between the cylinder 1 and the line hole adjustment structure 3, a passage is provided for the pipeline passing temporarily, avoiding The layout of the temporary pipeline destroys the integrity of the fire protection boundary, and there is no need to block it after threading. In addition, a fire-proof material layer 2 that expands rapidly in case of fire is provided at one end of the cylinder body 1, thereby improving the fire-proof performance.

Please refer to Fig. 5-6, which shows the second embodiment of the occluder with adjustable aperture of the present invention. In the occluder 200 with adjustable aperture in this embodiment, the structure of the cylinder body 1' and fireproof material layer 2' is the same as that of the first embodiment, the difference lies in the difference of the line hole adjustment structure 3' as follows: In this embodiment, the locking structure 33' includes a steel belt 331' and a lock 332', the rotating part 32' is set in the second through hole 12', and the outer wall of the lower part of the rotating part 32' The inner wall of the cylinder 1' is provided with threads that cooperate with each other; the provision of the threads is not only convenient for installation, but also prevents the rotation part 32' from being generated due to improper force when adjusting the opening size of the blade 31'. large radial displacement to separate from the second through hole 12'. The upper edge of the rotating part 32' protrudes from the upper end of the cylinder 1' and the outer wall is flush with the outer wall of the cylinder 1'; the upper outer wall of the rotating part 32' and the outer wall of the cylinder 1' The outer wall is provided with a groove 333', the steel belt 331' surrounds and covers the groove 333', and the lock 332' tightens or loosens the steel belt 331' so that the rotating part 32' and The relative positions between the cylinders 1' are positioned so as to fix the opening size of the wire holes 13'.

Please refer to Fig. 5-6, in this embodiment, the connection relationship of the sealing cap is different from that of the first embodiment, the sealing cap 4 of the first embodiment is connected with the cylinder body 1, and the sealing cap 4' of this embodiment It is connected with the rotating part 32' through a bolt, and the sealing cover 4' closes the wire hole adjustment structure 3' by turning over, thereby isolating the inside of the cylinder 1' from the outside world, and the sealing cover 4' A clamping structure 5' is provided between the wire hole adjustment structure 3', the clamping structure 5' includes a clamping handle 511' and a clamping part 512', and the clamping part 512' is provided with a card slot 513', the clamping handle 511' is pivotally connected to the sealing cover 4', the clamping member 512' is fixed on the edge of the rotating part 32', and the clamping handle 511' is clamped on the The clamping handle 511' exits the clamping slot 513' through rotational movement, so that the sealing cover 4' is opened. A gasket 6' is arranged between the sealing cover 4' and the rotating part 32', and the gasket 6' is arranged inside the sealing cover 4'. The function of each component of the occluder 200 with adjustable aperture in this embodiment is basically the same as that of the corresponding component in the first embodiment, and the technical effect produced as a whole is also the same, which will not be repeated here.

Referring to Figs. 7-8, a third embodiment of the occluder with adjustable aperture of the present invention is shown. In the occluder 300 with adjustable aperture in this embodiment, the structure of the cylinder body 1 ″ and the fireproof material layer 2 ″ is the same as that of the first embodiment, the difference lies in the line hole adjustment structure 3 ″, and the differences are as follows: In this embodiment, the locking structure 33" includes a second bolt 331", a second nut 332", a supporting ear 333" and a rotating ear 334", and the supporting ear 333" is welded on the cylinder body 1". On the side wall, the rotating ear 334 ″ is welded on the side wall of the rotating part 32, and the rotating ear 334 ″ cooperates with the second bolt 331 ″ to open an arc-shaped hole 335 ″, and one end of the second bolt 331 ″ pass through the arc-shaped hole 335" and be fixed on the support ear 333", and the other end is mated with the second nut 332", so as to clamp or loosen the rotating part 32" and the cylinder 1". The supporting ears 333" are provided with fixing holes 336" for connecting to the wall. Please refer to Figures 8-9, two third short shafts 313" and one fourth short shaft 314" are respectively provided on both sides of the regulating blade 31", and the bottom of the second through hole 12" is provided with two The third short axis 313 "slidably inserts the strip groove 15", the strip groove 15" is a straight groove, and the bottom of the rotating part 32" is provided with an arc-shaped second limiting hole 321", The fourth short shaft 314" is slidably inserted into the second limiting hole 321", and the rotation of the rotating member 32" drives the rotation of the second limiting hole 321", thereby driving the first The four short shafts 314" slide in the second limiting hole 321", and the two third short shafts 313" of the regulating blade move in the strip groove 15" to realize the opening of the regulating blade 31". Together, the different degrees of rotation of the regulating blade 31" correspond to different opening sizes of the wire hole 13".

Please refer to Fig. 10, in this embodiment, there are differences between the clamping structure 5" of the sealing cover 4" and the first embodiment, the differences are as follows: the clamping structure 5" includes a third bolt 511", a third Nut 512", pressing ear 513" and fixing ear 514", the pressing ear 513" is welded on the sealing cover 4", and the fixing ear 514" is welded on the side wall of the cylinder 1". The pressing ear 513" and the fixing ear 514" are respectively provided with holes (not shown) for the third bolt 511" to pass through, and the third bolt 511" passes through the two holes (not shown). ) and cooperate with the third nut 512 "to compress the sealing cover 4 ". The function of each component of the fireproof sealing device 300 of this embodiment is basically the same as that of the corresponding component of the first embodiment , the overall technical effect produced is also the same, and will not be repeated here.

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (17)

1. A occluder with adjustable aperture, characterized in that: it includes a cylinder and a wire hole adjustment structure, the wire hole adjustment structure includes a rotating part and a plurality of adjustment blades, and the adjustment blades are arranged on the cylinder body At the bottom, the rotating part is rotatably arranged in the barrel and drives the regulating blades to expand or retract. 2. The occluder with adjustable aperture according to claim 1, characterized in that: the first short shaft and the second short shaft are respectively arranged on both sides of the regulating blade, and the bottom of the cylinder body is provided with The first short axis is pivotally connected to the fixed blind hole, and the bottom of the rotating component is provided with an arc-shaped first limiting hole, and the second short axis is inserted into the first limiting hole. 3. The occluder with adjustable aperture according to claim 1, characterized in that: two third short shafts and a fourth short shaft are respectively provided on both sides of the regulating blade, and the bottom of the cylinder is provided with A bar-shaped slot for sliding insertion of the two third short shafts. The bottom of the rotating part is provided with an arc-shaped second limiting hole, and the fourth short shaft is slidably inserted into the second limiting hole. in the hole. 4. The occluder with adjustable aperture according to claim 1, characterized in that: the edges of the adjusting blades are provided with chamfers. 5. The occluder with adjustable aperture according to claim 1, characterized in that: the thread hole adjustment structure further includes a locking structure, and the locking structure is fixed between the rotating part and the cylinder. The relative position is positioned so as to fix the opening size of the wire hole. 6. The occluder with adjustable aperture according to claim 5, characterized in that: the locking structure includes a first bolt and a first nut, the side wall of the cylinder is provided with a long hole, the The side wall of the rotating part is provided with a positioning hole, the first bolt passes through the elongated hole and the positioning hole and is connected with the first nut, and the first nut is mated with the first bolt, so as to Clamping or loosening the rotating part and the barrel. 7. The occluder with adjustable aperture according to claim 5, characterized in that: the locking structure includes a steel belt and a buckle, and the steel belt covers the outer wall of the rotating part and is connected with the The outer wall of the barrel, the locking buckle tightens or loosens the steel belt so as to clamp or loosen the rotating part and the barrel. 8. The occluder with adjustable aperture according to claim 7, characterized in that: the outer wall of the rotating part and the outer wall of the cylinder are provided with grooves, and the steel strip is arranged in the two grooves. on the slot. 9. The occluder with adjustable aperture according to claim 7, characterized in that: the outer wall of the rotating part and the inner wall of the barrel are provided with threads that cooperate with each other. 10. The occluder with adjustable aperture according to claim 5, characterized in that: the locking structure comprises a second bolt, a second nut, a support ear provided on the side wall of the cylinder, and a The rotating ear of the side wall of the rotating part is provided with an arc-shaped hole, one end of the second bolt passes through the arc-shaped hole and is fixed on the supporting ear, and the other end is connected to the second bolt. The nuts are matingly connected to clamp or loosen the rotating part and the barrel. 11. The occluder with adjustable aperture according to claim 10, characterized in that: the support ear is provided with a fixing hole for connecting to a wall. 12. The occluder with adjustable aperture according to claim 1, characterized in that: the occluder with adjustable aperture further comprises a sealing cover, and the sealing cover is reversibly arranged and located on the cylinder body the other end to isolate the inside of the cylinder from the outside world. 13. The occluder with adjustable aperture according to claim 12, characterized in that: a gasket is provided on the inner side of the sealing cover to seal the inside of the cylinder body from the outside. 14. The occluder with adjustable aperture according to claim 12, characterized in that: the occluder with adjustable aperture further comprises a clamping structure for clamping the sealing cap. 15. The occluder with adjustable aperture according to claim 14, characterized in that: the clamping structure comprises a clamping handle and a clamping part, the clamping part is provided with a slot, and the clamping handle It is pivotally connected to the sealing cover, the clamping member is fixed relative to the barrel, and the clamping handle is clamped in the clamping groove. 16. The occluder with adjustable aperture according to claim 14, characterized in that: the clamping structure comprises a third bolt, a third nut, a pressing ear fixed on the sealing cap, and a The fixing ears of the side wall of the cylinder body, the pressing ears and the fixing ears are respectively provided with holes for the passage of the third bolts, and the third bolts pass through the two holes and connect with the third bolts. The nut cooperates to compress the sealing cover. 17. The occluder with adjustable aperture according to claim 1, characterized in that: the cylinder body has a first through hole and a second through hole, and the inner diameter of the first through hole is smaller than that of the second through hole. The inner diameter of the hole, the wire hole adjusting structure is arranged in the second through hole.