CN107508248B - Aperture-adjustable plugging device - Google Patents
Aperture-adjustable plugging device Download PDFInfo
- Publication number
- CN107508248B CN107508248B CN201710876839.5A CN201710876839A CN107508248B CN 107508248 B CN107508248 B CN 107508248B CN 201710876839 A CN201710876839 A CN 201710876839A CN 107508248 B CN107508248 B CN 107508248B
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- cylinder body
- aperture
- adjustable
- clamping
- sealing cover
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- 238000007789 sealing Methods 0.000 claims description 47
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000002441 reversible effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 241000700159 Rattus Species 0.000 description 3
- 241000270295 Serpentes Species 0.000 description 3
- 230000009970 fire resistant effect Effects 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
Landscapes
- Installation Of Indoor Wiring (AREA)
- Safety Valves (AREA)
Abstract
The invention relates to an aperture-adjustable plugging device, which comprises a cylinder body and a wire hole adjusting structure, wherein the wire hole adjusting structure comprises a rotating part and a plurality of adjusting blades, the adjusting blades are arranged at the bottom of the cylinder body, and the rotating part is rotationally arranged in the cylinder body and drives the adjusting blades to be unfolded or folded. The plugging device with the adjustable aperture provides a channel for a temporary passing pipeline, avoids the arrangement of the temporary pipeline from damaging the integrity of a fireproof boundary, and can prevent organisms from entering.
Description
Technical Field
The invention relates to the technical field of fireproof equipment, in particular to an aperture-adjustable plugging device.
Background
In the power engineering industry, especially in a nuclear power plant, a large number of temporary cables are often required to be shut down for maintenance, maintenance staff often use a large number of temporary cables during the shutdown for maintenance, however, most plants are not provided with safety fireproof channels for the temporary cables in the design and construction stages, so that the maintenance staff are forced to take fireproof doors as the channels of the temporary cables in the actual maintenance process, the fireproof doors are in an opened state for a long time, the original fireproof functions of the fireproof doors are destroyed, the fire hazard is larger and larger, and once emergency fire is encountered, immeasurable losses are caused for high-risk plants such as power plants. Moreover, when the fireproof door is opened for a long time, organisms such as snakes, rats and the like can enter the factory building through temporary pipelines, and other unknown potential safety hazards are brought to equipment of the factory building.
There is therefore a great need for an occlusion device that provides access to temporarily passing lines and prevents the ingress of organisms to overcome the above-mentioned drawbacks.
Disclosure of Invention
Based on this, it is necessary to provide an aperture-adjustable stopper for temporary passage of a pipeline, which avoids the arrangement of temporary pipelines from damaging the integrity of the fire-proof boundary and which prevents biological ingress, in view of the problems of the prior art.
The plugging device with the adjustable aperture comprises a cylinder body and a wire hole adjusting structure, wherein the wire hole adjusting structure comprises a rotating part and a plurality of adjusting blades, the adjusting blades are arranged at the bottom of the cylinder body, and the rotating part is rotationally arranged in the cylinder body and drives the adjusting blades to be unfolded or folded.
Preferably, the two sides of the adjusting blade are respectively provided with a first short shaft and a second short shaft, the bottom of the cylinder body is provided with a fixed blind hole pivoted with the first short shaft, the bottom of the rotating component is provided with a first limiting hole in an arc shape, and the second short shaft is inserted into the first limiting hole. The adjusting blade is driven to be unfolded or folded through ingenious matching among the first short shaft, the second short shaft, the fixed blind hole and the first limiting hole.
Two sides of the adjusting blade are respectively provided with two third short shafts and a fourth short shaft, the bottom of the cylinder body is provided with a strip-shaped groove for sliding insertion of the two third short shafts, the bottom of the rotating part is provided with a second limiting hole in an arc shape, and the fourth short shaft is inserted in the second limiting hole in a sliding manner.
Specifically, the edges of the adjusting blades are provided with chamfers, and the chamfers can effectively avoid the phenomena that the adjusting blades scratch a pipeline and the like, so that the pipeline is better protected.
Preferably, the wire hole adjusting structure further comprises a locking structure, and the locking structure positions the relative position between the rotating part and the cylinder body so as to fix the opening size of the wire hole. Through further fixing the rotating part, the rotating part can be prevented from accidentally rotating to open the blades, and gaps between the line holes and the pipeline can be reduced, so that the integral fireproof and biological entry preventing performance is improved.
Specifically, the locking structure comprises a first bolt and a first nut, a long hole is formed in the side wall of the cylinder, a positioning hole is formed in the side wall of the rotating component, the first bolt penetrates through the long hole and the positioning hole to be connected with the first nut, and the first nut is connected with the first bolt in a matched mode to clamp or loosen the rotating component and the cylinder. The first nut is matched with the first bolt, so that the locking structure is simpler and more convenient to operate.
Specifically, the locking structure comprises a steel belt and a lock catch, wherein the steel belt is coated on the outer wall of the rotating part and the outer wall of the cylinder body, and the lock catch tightens or loosens the steel belt so as to clamp or loosen the rotating part and the cylinder body. The steel belt is matched with the lock catch, so that the locking structure is simpler and more convenient to operate.
More specifically, the outer wall of the rotating part and the outer wall of the cylinder are provided with grooves, and the steel belt is arranged on the two grooves. Therefore, the steel belt can better fix the relative position between the rotating part and the cylinder body, and the integral fastening effect of the locking structure is improved.
More specifically, the outer wall of the rotary member and the inner wall of the cylinder are provided with mutually cooperating threads. The screw thread is not only convenient to install but also prevents the rotary part from being separated from the second through hole due to large radial displacement caused by improper force application when the size of the blade opening is adjusted.
Specifically, the locking structure comprises a second bolt, a second nut, a supporting lug arranged on the side wall of the cylinder body, and a rotating lug arranged on the side wall of the rotating part, wherein the rotating lug is provided with an arc hole, one end of the second bolt penetrates through the arc hole and is fixed on the supporting lug, and the other end of the second bolt is connected with the second nut in a matched mode so as to clamp or loosen the rotating part and the cylinder body.
Specifically, the support lugs are provided with fixing holes for connecting walls.
Preferably, the plugging device with adjustable aperture further comprises a sealing cover, wherein the sealing cover is arranged in a reversible manner and is positioned at the other end of the cylinder body so as to isolate the inside of the cylinder body from the outside. The sealing cover can be directly closed when not in use, thereby improving air tightness, water tightness and fireproof performance.
Specifically, a gasket for sealing the interior of the cylinder from the outside is arranged on the inner side of the sealing cover. The gasket can further improve the air tightness, the water tightness and the fireproof performance of the plugging.
Specifically, the aperture-adjustable plugging device further comprises a clamping structure for clamping the sealing cover. The opening and closing of the sealing cover are controlled through the clamping structure, so that the sealing cover can be tightly covered, the sealing cover is prevented from being accidentally opened, and the air tightness, the water tightness and the fireproof performance are further improved.
More specifically, the chucking structure includes chucking handle and chucking spare, the draw-in groove has been seted up to the chucking spare, chucking handle pin joint is in on the sealing cover, the chucking spare is relative the barrel is fixed, chucking handle card hold in the draw-in groove. The sealing cover can be better clamped, and the structure is simple and convenient and is easy to operate.
More specifically, the clamping structure comprises a third bolt, a third nut, a pressing lug fixed on the sealing cover and a fixing lug fixed on the side wall of the cylinder body, wherein the pressing lug and the fixing lug are respectively provided with a hole for the third bolt to pass through, and the third bolt passes through the two holes and is matched with the third nut so as to press the sealing cover.
Preferably, the cylinder body is provided with a first through hole and a second through hole, the inner diameter of the first through hole is smaller than that of the second through hole, and the wire hole adjusting structure is arranged in the second through hole.
The beneficial effects of the invention are as follows: according to the invention, the rotary part and the plurality of regulating blades are arranged in the cylinder, the rotary part is used for driving the regulating blades to be unfolded or folded, so that the cylinder can be regulated and fixed according to different diameters of pipelines and different numbers of wire holes, and the two ends of the cylinder can be isolated according to the needs of a user, therefore, a channel is provided for the pipeline which temporarily passes through by the cooperation of the cylinder and the wire hole regulating structure, the integrity of a fireproof boundary is prevented from being damaged by the arrangement of the temporary pipeline, the blocking is not needed after the threading, the operation is simple and convenient, the living things such as snakes and rats can be effectively prevented from entering a factory building through the temporary pipeline, the effect of shielding living things is achieved, and the sealing performance and the fireproof performance are improved as a whole.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of an aperture-adjustable occluder in accordance with the present invention.
Fig. 2 is a full cross-sectional view of a first embodiment of an adjustable aperture occluder in accordance with the present invention.
Fig. 3 is a top view of an adjustable blade of the aperture-adjustable stopper of the present invention.
Fig. 4 is a full sectional view of the aperture-adjustable occluder of the present invention in use on a wall surface.
Fig. 5 is a schematic perspective view of a second embodiment of an aperture-adjustable occluder in accordance with the present invention.
Fig. 6 is a half-sectional view of a second embodiment of an adjustable aperture occluder in accordance with the present invention.
Fig. 7 is a schematic perspective view of a third embodiment of an aperture-adjustable occluder in accordance with the present invention.
Fig. 8 is a full cross-sectional view of a third embodiment of an adjustable aperture occluder in accordance with the present invention.
Fig. 9 is a full perspective view of a third embodiment of an adjustable aperture occluder in accordance with the present invention.
Fig. 10 is a front view of a third embodiment of an adjustable aperture occluder in accordance with the present invention.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present invention in detail, the following description is made in connection with the embodiments and the accompanying drawings.
Referring to fig. 1-2, a first embodiment of an adjustable aperture occluder of the present invention is shown. In this embodiment, the plugging device 100 with adjustable aperture includes a cylinder 1 and a wire hole adjusting structure 3, the cylinder 1 is a carbon steel cylinder with a two-stage diameter, the cylinder 1 has a first through 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, the wire hole adjusting structure 3 is cooperatively connected to the inner surface of the second through hole 12, and the wire hole adjusting structure 3 adjusts the opening size of the wire hole 13 to connect or disconnect the two ends of the cylinder 1. In addition, the plugging device with adjustable aperture can also be provided with a fireproof material layer 2, wherein the fireproof material layer 2 is made of sheet fireproof material with high expansion rate, and is sleeved on the inner surface of the first through hole 11 in a roll shape, and when a fire disaster happens, the fireproof material with high expansion rate can rapidly expand to plug the inside of the cylinder body 1 so as to block the passing of big fire, so that excellent fireproof performance is achieved; the fire-resistant material should have a fire resistance limit of not less than 2 hours. More specifically, the following are:
referring to fig. 1-3, the wire hole adjusting structure 3 includes a plurality of adjusting blades 31 and a rotating member 32, and the adjusting blades 31 of the present embodiment are 6 to 8 in number and 1 to 2mm in thickness, and are made of carbon steel sheet, cast steel sheet or alloy steel sheet material; the adjusting blade 31 is in a fan blade shape, and the edges of the adjusting blade are provided with chamfers, so that the phenomena that the adjusting blade 31 scratches a pipeline and the like can be effectively avoided, and the pipeline is better protected. The two sides of the adjusting vane 31 are respectively provided with a first short shaft 311 and a second short shaft 312, the bottom of the second through hole 12 is provided with a fixed blind hole 14 pivoted with the first short shaft 311, the rotating member 32 is in a cylindrical structure and sleeved in the second through hole 12, the bottom of the rotating member 32 is provided with a first limiting hole 321 in a strip shape, the first limiting hole 321 is in an arc structure, the second short shaft 312 is inserted into the first limiting hole 321, the rotation of the rotating member 32 drives the rotation of the first limiting hole 321, so that the second short shaft 312 is driven to rotate around the first short shaft 311, and different rotation degrees of the adjusting vane 31 correspond to different opening sizes of the linear hole 13.
Further, referring to fig. 1-2, the wire hole adjusting structure 3 further includes a locking structure 33, the locking structure 33 includes a first bolt 331 and a first nut 332, an elongated hole 334 is provided on a side wall of the cylinder 1, a positioning hole 333 is provided on a side wall of the rotating member 32, the first bolt 331 passes through the elongated hole 334 and the positioning hole 333 to be connected with the first nut 332, and the first nut 332 is cooperatively connected with the first bolt 331 to clamp or unclamp the rotating member 32 and the cylinder 1.
Meanwhile, in this embodiment, referring to fig. 1,2 and 4, the plugging device 100 with an adjustable aperture further includes a sealing cover 4, the sealing cover 4 is connected with the cylinder 1 through a bolt, so that the sealing cover 4 is connected with the other end of the cylinder 1 in a reversible manner, so as to isolate the interior of the cylinder 1 from the outside, a clamping structure 5 is disposed between the sealing cover 4 and the cylinder 1, 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 pivoted on the sealing cover 4, a pivot axis is perpendicular to the surface of the sealing cover 4, the clamping member 512 is fixed relative to the cylinder 1, the clamping handle 511 is clamped in the clamping groove 513 to clamp the sealing cover 4, and the clamping handle 511 exits the clamping groove 513 through a rotary motion, so that the sealing cover 4 is opened. A gasket 6 is arranged between the sealing cover 4 and the cylinder 1, and the gasket 6 is arranged on the inner side of the sealing cover 4. The gasket 6 is made of an organic rubber material with a fire-resistant grade of at least B1, and can further improve the air tightness, the water tightness and the overall fire resistance of the plugging.
Referring to fig. 1,2 and 4, in use, the plugging device 100 with adjustable aperture of the present invention is installed on two sides of the wall 300, the sealing cover 4 is opened by a user, the locking structure 33 is released, the rotating member 32 is rotated, different rotation degrees correspond to different opening sizes of the wire holes 13, and the wire 400 enters the factory building through the second through hole 12, the wire holes 13 and the first through hole 11 of the cylinder 1, so that the user adjusts the opening sizes of the wire holes 13 according to different diameters and different numbers of the wire lines; after the adjustment is finished, the line hole 13 clamps the line, and the user locks the locking structure 33. When a fire is encountered, the layer of fire-resistant material 2 rapidly expands to block the interior of the barrel 1 and thereby block the passage of a fire. When the use is completed, the pipeline 400 is removed from the aperture-adjustable stopper 100, and the user closes the wire hole 13 and closes the sealing cover 4 by adjusting, so that multiple effects of fire prevention, air tightness, water tightness and the like can be achieved.
According to the invention, the rotary part and the plurality of regulating blades are arranged in the cylinder body 1, and the regulating blades are driven to be unfolded or folded by the rotary part, so that the cylinder body can be regulated and fixed according to different diameters of pipelines and different numbers of line holes, and the two ends of the cylinder body can be isolated according to the needs of a user, therefore, a channel is provided for the pipeline which temporarily passes through by the cooperation between the cylinder body 1 and the line hole regulating structure 3, the arrangement of the temporary pipeline is prevented from damaging the integrity of a fireproof boundary, the blocking is not needed after threading, the operation is simple and convenient, the living things such as snakes and rats can be effectively prevented from entering a factory building through the temporary pipeline, the effect of shielding the living things is realized, and the sealing performance is improved on the whole; in addition, a fireproof material layer 2 which expands rapidly when meeting fire is arranged at one end of the cylinder body 1, so that the fireproof performance is improved.
Referring to fig. 5-6, a second embodiment of the adjustable aperture occluder of the present invention is shown. In the pore-diameter-adjustable plugging device 200 of the present embodiment, the structure of the cylinder 1' and the fireproof material layer 2' is the same as that of the first embodiment, except that the line pore adjusting structure 3' has the following differences: in this embodiment, the locking structure 33' includes a steel belt 331' and a lock catch 332', the rotating member 32' is sleeved on the second through hole 12', and the outer wall of the lower portion of the rotating member 32' and the inner wall of the cylinder 1' are provided with mutually matched threads; the provision of the screw not only facilitates installation but also prevents the rotary member 32' from being separated from the second through hole 12' due to a large radial displacement caused by an improper force application when adjusting the opening size of the vane 31 '. The upper edge of the rotating part 32' extends out of the upper end of the cylinder 1' and the outer wall is level with the outer wall of the cylinder 1 '; the outer wall of the upper part of the rotating part 32 'and the outer wall of the cylinder 1' are provided with grooves 333', a steel belt 331' surrounds and is wrapped on the grooves 333', and the lock catch 332' tightens or loosens the steel belt 331 'so as to position the relative position between the rotating part 32' and the cylinder 1 'and fix the opening size of the wire hole 13'.
Referring to fig. 5 to 6, in this embodiment, the connection relationship between the sealing cover and the first embodiment is different, the sealing cover 4 of the first embodiment is connected to the cylinder 1, while the sealing cover 4 'of the first embodiment is connected to the rotating member 32' through a latch, the sealing cover 4 'is turned to close the wire hole adjusting structure 3' so as to isolate the interior of the cylinder 1 'from the outside, a clamping structure 5' is disposed between the sealing cover 4 'and the wire hole adjusting structure 3', the clamping structure 5 'includes a clamping handle 511' and a clamping member 512', the clamping member 512' is provided with a clamping slot 513', the clamping handle 511' is pivoted on the sealing cover 4', the clamping member 512' is fixed to the edge of the rotating member 32', the clamping handle 511' is clamped in the clamping slot 513', and the clamping handle 511' is withdrawn from the clamping slot sealing cover 'through a rotating motion, so that the sealing cover 513' is opened. A gasket 6' is provided between the sealing cover 4' and the rotating member 32', and the gasket 6' is provided inside the sealing cover 4 '. The functions of the respective components of the aperture-adjustable occluding device 200 of the present embodiment are substantially the same as those of the corresponding components of the first embodiment, and the technical effects produced as a whole are the same, and are not repeated here.
Referring to fig. 7-8, a third embodiment of the adjustable aperture occluder of the present invention is shown. In the pore-diameter-adjustable plugging device 300 of the present embodiment, the structure of the cylinder 1″ and the fireproof material layer 2″ is the same as that of the first embodiment, except for the line pore adjusting structure 3″ and the following points are: in this embodiment, the locking structure 33 "includes a second bolt 331", a second nut 332", a supporting lug 333" and a rotating lug 334", the supporting lug 333" is welded on the side wall of the cylinder 1", the rotating lug 334" is welded on the side wall of the rotating member 32, the rotating lug 334 "is matched with the second bolt 331" to form an arc hole 335", one end of the second bolt 331" passes through the arc hole 335 "and is fixed on the supporting lug 333", and the other end is matched and connected with the second nut 332 "to clamp or unclamp the rotating member 32" and the cylinder 1. The support lugs 333″ are provided with fixing holes 336 "for connecting to a wall. Referring to fig. 8-9, two third short shafts 313 "and a fourth short shaft 314" are respectively disposed at two sides of the adjusting vane 31", a bar slot 15" for sliding and inserting the two third short shafts 313 "is disposed at the bottom of the second through hole 12", the bar slot 15 "is a straight slot, a second limiting hole 321" with an arc shape is disposed at the bottom of the rotating member 32", the fourth short shaft 314" is slidably inserted into the second limiting hole 321", the rotation of the rotating member 32" drives the second limiting hole 321 "to rotate, so as to drive the fourth short shaft 314" to slide in the second limiting hole 321", the two third short shafts 313" of the adjusting vane move in the bar slot 15 "to realize opening and closing of the adjusting vane 31", and different rotation degrees of the adjusting vane 31 "correspond to different opening sizes of the linear hole 13".
Referring to fig. 10, in the present embodiment, the clamping structure 5 "of the sealing cover 4" is different from that of the first embodiment in the following points: the clamping structure 5 "comprises a third bolt 511", a third nut 512", a pressing lug 513" and a fixing lug 514", the pressing lug 513" is welded on the sealing cover 4", the fixing lug 514" is welded on the side wall of the cylinder body 1", holes (not shown) for the third bolt 511" to pass through are respectively formed in the pressing lug 513 "and the fixing lug 514", and the third bolt 511 "passes through the two holes (not shown) and is matched with the third nut 512" so as to press the sealing cover 4". The functions of the respective components of the fire-blocking device 300 of the present embodiment are substantially the same as those of the corresponding components of the first embodiment, and the technical effects produced as a whole are also the same, and are not repeated here.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. An aperture-adjustable plugging device, which is characterized in that: the wire hole adjusting structure is arranged in the second through hole; the wire hole adjusting structure comprises a rotating part and a plurality of adjusting blades, the adjusting blades are arranged at the bottom of the cylinder body, and the rotating part is rotationally arranged in the cylinder body and drives the adjusting blades to be unfolded or folded; two sides of the adjusting blade are respectively provided with two third short shafts and a fourth short shaft, the bottom of the cylinder body is provided with a strip-shaped groove for sliding insertion of the two third short shafts, the bottom of the rotating part is provided with a second limiting hole in an arc shape, and the fourth short shaft is inserted in the second limiting hole in a sliding manner; the outer wall of the rotating part and the inner wall of the cylinder body are provided with mutually matched threads; the wire hole adjusting structure further comprises a locking structure, wherein the locking structure is used for positioning the relative position between the rotating part and the cylinder body so as to fix the opening size of the wire hole; the locking structure comprises a steel belt and a lock catch, wherein the steel belt is coated on the outer wall of the rotating part and the outer wall of the cylinder body, and the lock catch tightens or loosens the steel belt so as to clamp or loosen the rotating part and the cylinder body.
2. The aperture-adjustable occluder of claim 1, wherein: the edges of the adjusting blades are provided with chamfers.
3. The aperture-adjustable occluder of claim 1, wherein: the outer wall of the rotating part and the outer wall of the cylinder body are provided with grooves, and the steel belt is arranged on the two grooves.
4. The aperture-adjustable occluder of claim 1, wherein: the plugging device with the adjustable aperture further comprises a sealing cover which is arranged in a reversible manner and is positioned at the other end of the cylinder body so as to isolate the inside of the cylinder body from the outside.
5. The adjustable aperture occluder of claim 4, wherein: the inner side of the sealing cover is provided with a gasket for sealing the inside of the cylinder body with the outside.
6. The adjustable aperture occluder of claim 4, wherein: the aperture-adjustable plugging device further comprises a clamping structure for clamping the sealing cover.
7. The adjustable aperture occluder of claim 6, wherein: the clamping structure comprises a clamping handle and a clamping piece, wherein the clamping piece is provided with a clamping groove, the clamping handle is pivoted on the sealing cover, the clamping piece is fixed relative to the cylinder body, and the clamping handle is clamped in the clamping groove.
8. The adjustable aperture occluder of claim 6, wherein: the clamping structure comprises a third bolt, a third nut, a pressing lug fixed on the sealing cover and a fixing lug fixed on the side wall of the cylinder body, wherein holes for the third bolt to pass through are respectively formed in the pressing lug and the fixing lug, and the third bolt passes through the two holes and is matched with the third nut so as to press the sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876839.5A CN107508248B (en) | 2017-09-25 | 2017-09-25 | Aperture-adjustable plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710876839.5A CN107508248B (en) | 2017-09-25 | 2017-09-25 | Aperture-adjustable plugging device |
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| Publication Number | Publication Date |
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| CN107508248A CN107508248A (en) | 2017-12-22 |
| CN107508248B true CN107508248B (en) | 2023-11-21 |
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| CN201710876839.5A Active CN107508248B (en) | 2017-09-25 | 2017-09-25 | Aperture-adjustable plugging device |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443278A (en) * | 2018-05-18 | 2018-08-24 | 泰州市泰嘉铭信息科技服务有限公司 | A kind of special adjustable type assembled shaft is connected and fixed device |
| CN109538757A (en) * | 2018-11-15 | 2019-03-29 | 中国直升机设计研究所 | A kind of quick-release sealing structure |
| CN110190532B (en) * | 2019-05-15 | 2021-01-29 | 杨洲 | Wire passing hole with adjustable distribution box |
| CN111787743B (en) * | 2020-06-08 | 2024-08-16 | 珠海格力电器股份有限公司 | Coil-passing rubber ring and electric cabinet and electric appliance with same |
| CN114566815A (en) * | 2022-03-04 | 2022-05-31 | 广东电网有限责任公司 | Anti-misoperation cap for cable head |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2455371A1 (en) * | 2003-01-23 | 2004-07-23 | Thomas & Betts International, Inc. | Button fastening device |
| CN201956652U (en) * | 2011-02-12 | 2011-08-31 | 顾建忠 | Explosion-proof terminal junction box |
| CN102619824A (en) * | 2012-03-21 | 2012-08-01 | 三一汽车起重机械有限公司 | Connecting structure of bracket and cover plate and crane |
| CN204030533U (en) * | 2014-08-22 | 2014-12-17 | 中国船舶重工集团公司第七一六研究所 | A kind of all-sealed terminal box of quick locking |
| CN104315300A (en) * | 2014-09-25 | 2015-01-28 | 广州威能机电有限公司 | Air exhaust pipe and end rainproof device thereof |
| CN106051317A (en) * | 2016-07-19 | 2016-10-26 | 郭舒珂 | Plugging device |
| CN107076153A (en) * | 2014-09-19 | 2017-08-18 | 阿特拉斯·科普柯空气动力股份有限公司 | Inlet valve for compressor |
| CN207409997U (en) * | 2017-09-25 | 2018-05-25 | 中广核研究院有限公司 | The adjustable plugging device in aperture |
-
2017
- 2017-09-25 CN CN201710876839.5A patent/CN107508248B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2455371A1 (en) * | 2003-01-23 | 2004-07-23 | Thomas & Betts International, Inc. | Button fastening device |
| CN201956652U (en) * | 2011-02-12 | 2011-08-31 | 顾建忠 | Explosion-proof terminal junction box |
| CN102619824A (en) * | 2012-03-21 | 2012-08-01 | 三一汽车起重机械有限公司 | Connecting structure of bracket and cover plate and crane |
| CN204030533U (en) * | 2014-08-22 | 2014-12-17 | 中国船舶重工集团公司第七一六研究所 | A kind of all-sealed terminal box of quick locking |
| CN107076153A (en) * | 2014-09-19 | 2017-08-18 | 阿特拉斯·科普柯空气动力股份有限公司 | Inlet valve for compressor |
| CN104315300A (en) * | 2014-09-25 | 2015-01-28 | 广州威能机电有限公司 | Air exhaust pipe and end rainproof device thereof |
| CN106051317A (en) * | 2016-07-19 | 2016-10-26 | 郭舒珂 | Plugging device |
| CN207409997U (en) * | 2017-09-25 | 2018-05-25 | 中广核研究院有限公司 | The adjustable plugging device in aperture |
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| CN107508248A (en) | 2017-12-22 |
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