CN107508248A - The adjustable plugging device in aperture - Google Patents
The adjustable plugging device in aperture Download PDFInfo
- Publication number
- CN107508248A CN107508248A CN201710876839.5A CN201710876839A CN107508248A CN 107508248 A CN107508248 A CN 107508248A CN 201710876839 A CN201710876839 A CN 201710876839A CN 107508248 A CN107508248 A CN 107508248A
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- China
- Prior art keywords
- cylinder
- plugging device
- hole
- rotary part
- adjustable plugging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 230000009970 fire resistant effect Effects 0.000 description 4
- 241000270295 Serpentes Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004079 fireproofing Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 241000883990 Flabellum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
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
Technical field
The present invention relates to fire equipment technical field, more particularly to a kind of adjustable plugging device in aperture.
Background technology
Power engineering industry, especially nuclear power plant usually need maintenance down, maintainer during maintenance down usually
Using to substantial amounts of temporary cable, however most of factory building in the design-build stage all without being these temporary cable design safeties
Flame proof passageway, maintainer is forced to be used as the passage of temporary cable, therefore, fire prevention mostly using fire resistant doorsets in actual maintenance process
Door is chronically at the state of unlatching, destroys original fire-proof function of fire resistant doorsets, and disaster hidden-trouble is increasing, once run into tight
Anxious fire, this causes an immeasurable loss for the high-risk factory building such as electric power plant.And fire resistant doorsets are opened for a long time can allow snake, mouse
Factory building is entered by interim pipeline Deng biological, the equipment belt to factory building carrys out other unknown potential safety hazards.
Therefore, be badly in need of wanting it is a kind of can be temporarily by pipeline passage is provided, and the closure of biological entrance can be prevented
Device overcomes the defects of above-mentioned.
The content of the invention
Based on this, it is necessary to for prior art problem, there is provided it is a kind of for temporarily by pipeline passage is provided, avoid
The arrangement of interim pipeline destroys the integrality on fire prevention border, and the adjustable plugging device in aperture that can prevent biology from entering.
The adjustable plugging device in aperture provided by the invention includes cylinder and string holes adjustment structure, the string holes adjustment structure
Including rotary part and some regulation blades, the regulation blade is arranged at the bottom of the cylinder, and the rotary part rotates
Ground is arranged in the cylinder and drives the regulation mounted blade or pack up.
It is preferred that the both sides of the regulation blade are respectively arranged with the first short axle and the second short axle, the bottom of the cylinder
Provided with the fixation blind hole being pivotally connected with first short axle, it is in the first curved spacing hole that the bottom of the rotary part, which is provided with,
Second short axle is plugged in first spacing hole.Pass through first short axle, the second short axle, fixed blind hole and first
Ingenious cooperation between spacing hole is so as to driving the regulation mounted blade or pack up.
The both sides of the regulation blade are respectively arranged with two the 3rd short axles and the 4th short axle, and the bottom of the cylinder, which is provided with, to be supplied
The bar-shaped trough of two the 3rd short axle sliding plugs, the bottom of the rotary part is provided with the second curved spacing hole, described
4th short axle sliding plug is in second spacing hole.
Specifically, the edge of the regulation blade is provided with chamfering, and the chamfering can be effectively prevented from the regulation leaf
Phenomena such as piece scratch pipeline, preferably protect pipeline.
It is preferred that the string holes adjustment structure also includes locking mechanism, the locking mechanism is to the rotary part and institute
State the openings of sizes that the relative position between cylinder is positioned so that the fixed string holes.By entering one to the rotary part
Step is fixed, and can both have been prevented the rotating part unintentional rotation and opened the blade, and can reduce the sky between string holes and pipeline again
Gap, overall prevent fires so as to improve, anti-biological enter performance.
Specifically, the locking mechanism includes the first bolt and the first nut, and the side wall of the cylinder is provided with elongated hole, institute
The side wall for stating rotary part is provided with positioning hole, and first bolt passes through the elongated hole and the positioning hole and first spiral shell
Mother's connection, first nut is connected with first bolt, to clamp or unclamp the rotary part and the cylinder.
Set first nut to coordinate with first bolt, locking mechanism operation can be made more simple and convenient.
Specifically, the locking mechanism includes steel band and lock, the steel band be coated on the rotary part outer wall and
With the outer wall of the cylinder, the lock is tightened up or loosens the steel band so as to clamp or unclamp the rotary part and the cylinder
Body.The steel band and snap fit are set, locking mechanism operation can be made more simple and convenient.
More specifically, the outer wall of the rotary part and, the steel band setting fluted with the outer wall setting of the cylinder
In on two grooves.The relative position that steel band can so preferably fixed between the rotary part and the cylinder,
Improve the overall fastening effect of the locking mechanism.
More specifically, the inwall of the outer wall of the rotary part and the cylinder is provided with the screw thread of mutual cooperation.Set
The screw thread not only facilitates installation and prevented when adjusting the blade openings size, because force is improper to cause the rotation
Rotation member produces larger radial displacement and separated with second through hole.
Specifically, the locking mechanism includes the second bolt, the second nut, the support ear located at the cylinder lateral wall, with
And the rotation ear located at the rotary part side wall, the rotation ear are provided with arcuate socket, one end of second bolt passes through institute
State arcuate socket and be fixed on the support ear, the other end is connected with second nut, to clamp or unclamp the rotation
Rotation member and the cylinder.
Specifically, the fixing hole for connecting wall is provided with the support ear.
It is preferred that the adjustable plugging device in aperture also includes closure, the closure is in setting and position turnablely
In the other end of the cylinder, the inside of the cylinder is isolated from the outside.The closure can be closed directly when not in use
Close, so as to improve air-tightness, watertightness and fire protecting performance.
Specifically, the inner side of the closure is provided with the inside for making the cylinder and the pad of extraneous sealing.The pad
The air-tightness, watertightness and fire protecting performance of closure can further be improved.
Specifically, the adjustable plugging device in the aperture also includes the clamping structure of closure described in clamping.Pass through clamping knot
Structure controls the folding of the closure, and the closure can be made to cover closer, prevent the closure to be opened accidentally, and
Further improve air-tightness, watertightness and fire protecting performance.
More specifically, the clamping structure includes clamping handle and Fastener, the Fastener offers neck, the card
Tight handle is articulated on the closure, and the relatively described cylinder of the Fastener is fixed, and the clamping handle is fastened in the card
In groove.So being capable of closure, convenience simple in construction, easily operation preferably described in clamping.
More specifically, the clamping structure includes the 3rd bolt, the 3rd nut, the compression being fixed on the closure
Ear, and the fixed ear of the cylinder lateral wall is fixed on, the compression ear and the fixed ear are respectively equipped with for the 3rd spiral shell
The hole that bolt passes through, the 3rd bolt passes through the 3rd nut described in two Kong Bingyu to coordinate, to compress the closure.
It is preferred that the cylinder has first through hole and the second through hole, the internal diameter of the first through hole is less than described second
The internal diameter of through hole, the string holes adjustment structure are arranged at second through hole.
Beneficial effects of the present invention are:The present invention by setting rotary part and some regulation blades in the cylinder,
Regulation mounted blade is driven using rotary part or is packed up, so as to the different-diameter and the line of varying number pair according to pipeline
The size in hole is adjusted and fixed, and also can directly close cylinder according to the needs of user, isolate the both ends of cylinder, because
This, by the cooperation of cylinder and string holes adjustment structure so as to for temporarily by pipeline passage is provided, avoid interim pipeline
Arrangement destroy the integrality on fire prevention border, without be blocked again after threading, using facility simple to operate, and can be effective
Ground avoids the biology such as snake, mouse from entering factory building by interim pipeline, serves the effect of shielding biology, improves envelope on the whole
Close performance and fire protecting performance.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the adjustable plugging device first embodiment in aperture of the present invention.
Fig. 2 is the full sectional view of the adjustable plugging device first embodiment in aperture of the present invention.
Fig. 3 is the top view of the regulation blade of the adjustable plugging device in aperture of the present invention.
Fig. 4 is full sectional view when being used in metope of the adjustable plugging device in aperture of the present invention.
Fig. 5 is the dimensional structure diagram of the adjustable plugging device second embodiment in aperture of the present invention.
Fig. 6 is the half sectional view of the adjustable plugging device second embodiment in aperture of the present invention.
Fig. 7 is the dimensional structure diagram of the adjustable plugging device 3rd embodiment in aperture of the present invention.
Fig. 8 is the full sectional view of the adjustable plugging device 3rd embodiment in aperture of the present invention.
Fig. 9 is the total perspective of the adjustable plugging device 3rd embodiment in aperture of the present invention.
Figure 10 is the front view of the adjustable plugging device 3rd embodiment in aperture of the present invention.
Embodiment
To describe the technology contents of the present invention, construction feature, the objects and the effects in detail, below in conjunction with embodiment
And accompanying drawing is coordinated to be explained in detail.
Fig. 1-2 is referred to, illustrates the first embodiment of the adjustable plugging device in aperture of the present invention.In the present embodiment,
The adjustable plugging device 100 in aperture includes cylinder 1 and string holes adjustment structure 3, and the cylinder 1 is the carbon steel cylinder of two level reducing,
The cylinder 1 has the through hole 12 of first through hole 11 and second, and the internal diameter of the first through hole 11 is less than second through hole 12
Internal diameter, the string holes adjustment structure 3 are connected on the inner surface of second through hole 12, and the string holes adjustment structure 3 is adjusted
The openings of sizes in nodel line hole 13 is to connect or separate the both ends of the cylinder 1.In addition, the adjustable plugging device in aperture can also have
There is fireproof material layer 2, the fireproof material layer 2 is made up of the sheet fire proofing material of high power expansion rate, and is rolled into tubular and is socketed in
On the inner surface of the first through hole 11, when running into fire, the fire proofing material of high power expansion rate, which can expand rapidly, blocks cylinder 1
Inside so as to obstructing big fire by reaching excellent fire protecting performance;The fire proofing material should have the fire resisting not less than 2 hours
The limit.More specifically, it is as follows:
Fig. 1-3 are referred to, the string holes adjustment structure 3 includes multi-disc regulation blade 31 and a rotary part 32, this reality
The quantity for applying the regulation blade 31 of example is 6 to 8, and thickness is 1 to 2mm, uses carbon steel coupon, cast steel piece or alloy-steel sheet material system
Into;The regulation blade 31 is flabellum shape and edge is provided with chamfering, can be effectively prevented from the regulation blade 31 and scrape
Phenomena such as hindering pipeline, preferably protect pipeline.The first short axle 311 and second is respectively arranged with regulation blade 31 both sides
Short axle 312, the bottom of second through hole 12 are provided with the fixation blind hole 14 with first short axle 311 pivot joint, the rotating part
32 cylindrical structure of part and it is placed in second through hole 12, the bottom of the rotary part 32 is provided with elongated first
Spacing hole 321, first spacing hole 321 are arcuate structure, and second short axle 312 is plugged in first spacing hole 321
In, the rotation of the rotary part 32 drives the rotation of first spacing hole 321, so as to drive second short axle 312 around
First short axle 311, which is done, to be rotated, and the different swing of the regulation blade 31 correspond to the different openings of sizes of string holes 13.
Further, Fig. 1-2 is referred to, the string holes adjustment structure 3 also includes locking mechanism 33, the locking mechanism 33
Including the first bolt 331 and the first nut 332, the side wall of the cylinder 1 is provided with elongated hole 334, the side of the rotary part 32
Wall is provided with positioning hole 333, and first bolt 331 passes through the elongated hole 334 and the positioning hole 333 and first spiral shell
Mother 332 connects, and first nut 332 is connected with first bolt 331, to clamp or unclamp the rotary part 32
And the cylinder 1.
Meanwhile in the present embodiment, referring to Fig. 1,2 and 4, the adjustable plugging device 100 in aperture also includes closure
4, the closure 4 is connected with the cylinder 1 by latch, so that the closure 4 is in be connected to the cylinder 1 turnablely
The other end, the inside of the cylinder 1 is isolated from the outside, clamping knot is provided between the closure 4 and the cylinder 1
Structure 5, the clamping structure 5 include clamping handle 511 and Fastener 512, and the Fastener 512 offers neck 513, described
Clamping handle 511 is articulated on the closure 4, and drive-connecting shaft is perpendicular to be set in the surface of the closure 4, the Fastener
512 relatively described cylinders 1 are fixed, and the clamping handle 511 is fastened in the neck 513 with closure 4 described in clamping, institute
State clamping handle 511 and the neck 513 is exited by rotary motion, so that the closure 4 is opened.The He of closure 4
Pad 6 is provided between the cylinder 1, the pad 6 is arranged at the inner side of the closure 4.The pad 6 is by with least
The disc type of B1 fire resistance ratings is made, and can further improve the fire prevention of the air-tightness of closure, watertightness and entirety
Performance.
Fig. 1,2 and 4 are referred to, in use, the adjustable plugging device 100 in aperture of the present invention is installed respectively in the both sides of wall 300,
User opens the closure 4, unclamps the locking mechanism 33, rotates the rotary part 32, and different swings is corresponding
The different openings of sizes of string holes 13, pipeline 400 is entered by the second through hole 12, string holes 13 and the first through hole 11 of the cylinder 1
Enter to factory building, therefore, user adjusts the openings of sizes of the string holes 13 according to the pipeline of different-diameter, varying number;Treat
After regulation terminates, i.e., the described clamping pipeline of string holes 13, user locks the locking mechanism 33.When once run into fire,
Fireproof material layer 2, which will expand rapidly, to be blocked the inside of cylinder 1 and passes through so as to obstruct big fire.After use, by pipeline 400
From the aperture, adjustable plugging device 100 removes, and user is by adjusting the closing string holes 13 and closing the closure
4, so as to can reach the multiple effects such as fire prevention, airtight, watertight.
The present invention using rotary part due to by setting rotary part and some regulation blades in the cylinder 1, being driven
Dynamic regulation mounted blade is packed up, and is adjusted so as to the different-diameter according to pipeline and the size of the string holes of varying number pair
Save and fixed, also can directly close the cylinder according to the needs of user, isolate the both ends of cylinder, therefore, pass through cylinder 1
And between string holes adjustment structure 3 cooperation so as to for temporarily by pipeline passage is provided, avoid the arrangement of interim pipeline
The integrality on fire prevention border is destroyed, need not again be blocked after threading, using facility simple to operate, and can be effectively prevented from
The biology such as snake, mouse enters factory building by interim pipeline, serves the effect of shielding biology, improves closure on the whole
Energy;In addition, the fireproof material layer 2 met fire and expanded rapidly is set in one end of the cylinder 1 again, so as to improve fire protecting performance.
Fig. 5-6 are referred to, illustrate the second embodiment of the adjustable plugging device in aperture of the present invention.In the hole of the present embodiment
In the adjustable plugging device 200 in footpath, the cylinder 1 ', fireproof material layer 2 ' are identical with the structure of first embodiment, and difference is line
The distinctive points of hole adjustment structure 3 ' are following:In the present embodiment, the locking mechanism 33 ' includes steel band 331 ' and lock 332 ',
The rotary part 32 ' is placed on second through hole 12 ', and the outer wall of the bottom of rotary part 32 ' and the cylinder 1 '
Inwall is provided with the screw thread worked in coordination;Set the screw thread not only to facilitate installation and prevent from adjusting the blade 31 '
During openings of sizes, cause the rotary part 32 ' to produce larger radial displacement because force is improper and divide with second through hole 12 '
From.The top edge of the rotary part 32 ' stretches out the upper end of the cylinder 1 ' and outer wall is concordant with the outer wall of the cylinder 1 ';Institute
The outer wall of the outer wall and the cylinder 1 ' of stating the top of rotary part 32 ' sets fluted 333 ', and steel band 331 ' is surrounded and coated
In on the groove 333 ', the steel band 331 ' is tightened up or loosened to the lock 332 ' so as to the rotary part 32 ' and institute
State the openings of sizes that the relative position between cylinder 1 ' is positioned and then fixes the string holes 13 '.
Fig. 5-6 are referred to, in the present embodiment, annexation and the first embodiment of closure have differences, and first is real
The closure 4 for applying example is connected with cylinder 1, and the closure 4 ' of the present embodiment is connected with the rotary part 32 ' by latch,
The closure 4 ' closes the string holes adjustment structure 3 ' by overturning, so with by the inside of the cylinder 1 ' with it is extraneous every
From being provided with clamping structure 5 ' between the closure 4 ' and the string holes adjustment structure 3 ', the clamping structure 5 ' includes card
Tight handle 511 ' and Fastener 512 ', the Fastener 512 ' offer neck 513 ', and the clamping handle 511 ' is articulated in institute
State on closure 4 ', the Fastener 512 ' is fixed on the edge of the rotary part 32 ', and the clamping handle 511 ' is fastened in
In the neck 513 ', the clamping handle 511 ' exits the neck 513 ' by rotary motion, so that the closure
4 ' open.Pad 6 ' is provided between the closure 4 ' and rotary part 32 ', the pad 6 ' is arranged at the closure 4 '
Inner side.The effect of all parts of the adjustable plugging device 200 in aperture of the present embodiment and the corresponding component of first embodiment
Effect is essentially identical, and technique effect is also identical caused by entirety, is not repeated to state herein.
Fig. 7-8 are referred to, illustrate the 3rd embodiment of the adjustable plugging device in aperture of the present invention.In the hole of the present embodiment
In the adjustable plugging device 300 in footpath, the cylinder 1 ", fireproof material layer 2 " are identical with the structure of first embodiment, and difference is line
Hole adjustment structure 3 ", distinctive points are following:In the present embodiment, the locking mechanism 33 " includes the second bolt 331 ", the second spiral shell
Mother 332 ", support ear 333 " and rotation ear 334 ", the support ear 333 " are welded in the side wall of cylinder 1 ", the rotation
Ear 334 " is welded in the side wall of rotary part 32, and the rotation ear 334 " coordinates second bolt 331 " to offer arcuate socket
335 ", one end of second bolt 331 " through the arcuate socket 335 " and is fixed on the support ear 333 ", the other end
It is connected with second nut 332 ", to clamp or unclamp the rotary part 32 " and the cylinder 1 ".The support ear
The fixing hole 336 " for connecting wall is provided with 333 ".Fig. 8-9 are referred to, the both sides of the regulation blade 31 " are set respectively
Two the 3rd short axles 313 " and one the 4th short axle 314 " are equipped with, the bottom of second through hole 12 ", which is provided with, supplies two the 3rd short axles
The bar-shaped trough 15 " of 313 " sliding plugs, the bar-shaped trough 15 " are straight trough, and the bottom of the rotary part 32 " is provided with curved
Second spacing hole 321 ", the 4th short axle 314 " are slidably plugged in second spacing hole 321 ", the rotary part
32 " rotation drives the rotation of second spacing hole 321 ", so as to drive the 4th short axle 314 " spacing described second
Slided in hole 321 ", two the 3rd short axles 313 " of the regulation blade are mobile i.e. in the bar-shaped trough 15 " to realize regulation
The folding of blade 31 ", the different swing of the regulation blade 31 " correspond to the different openings of sizes of string holes 13 ".
Referring to Fig. 10, in the present embodiment, clamping structure 5 " and the first embodiment of closure 4 " have differences, difference
Point is following:The clamping structure 5 " includes the 3rd bolt 511 ", the 3rd nut 512 ", compresses ear 513 " and fixed ear
514 ", the compression ear 513 " is welded on the closure 4 ", and the fixed ear 514 " is welded on the side wall of cylinder 1 ", institute
State and compress ear 513 " and the fixed ear 514 " and be respectively equipped with the hole (not shown) passed through for the 3rd bolt 511 ", described the
Three bolts 511 " coordinate through the two hole (not shown) and with the 3rd nut 512 ", to compress the closure 4 ".This
The effect of all parts of the fire-resistant plugging device 300 of embodiment and the effect of the corresponding component of first embodiment are essentially identical
, technique effect is also identical caused by entirety, is not repeated to state herein.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (17)
- A kind of 1. adjustable plugging device in aperture, it is characterised in that:Including cylinder and string holes adjustment structure, the string holes regulation knot Structure includes rotary part and some regulation blades, and the regulation blade is arranged at the bottom of the cylinder, and the rotary part turns It is arranged at dynamicly in the cylinder and drives the regulation mounted blade or pack up.
- 2. the adjustable plugging device in aperture according to claim 1, it is characterised in that:The both sides of the regulation blade are set respectively The first short axle and the second short axle are equipped with, the bottom of the cylinder is provided with the fixation blind hole with first short axle pivot joint, the rotation It is in the first curved spacing hole that the bottom of rotation member, which is provided with, and second short axle is plugged in first spacing hole.
- 3. the adjustable plugging device in aperture according to claim 1, it is characterised in that:The both sides of the regulation blade are set respectively Two the 3rd short axles and the 4th short axle are equipped with, the bottom of the cylinder is provided with the bar-shaped trough for two the 3rd short axle sliding plugs, The bottom of the rotary part is provided with the second curved spacing hole, and the 4th short axle sliding plug is in second spacing hole In.
- 4. the adjustable plugging device in aperture according to claim 1, it is characterised in that:The edge of the regulation blade is provided with Chamfering.
- 5. the adjustable plugging device in aperture according to claim 1, it is characterised in that:The string holes adjustment structure also includes lock Locking structure, the locking mechanism are positioned so as to the relative position between the rotary part and the cylinder described in fixation The openings of sizes of string holes.
- 6. the adjustable plugging device in aperture according to claim 5, it is characterised in that:The locking mechanism includes the first bolt With the first nut, the side wall of the cylinder is provided with elongated hole, and the side wall of the rotary part is provided with positioning hole, first bolt It is connected through the elongated hole and the positioning hole with first nut, first nut coordinates with first bolt and connected Connect, to clamp or unclamp the rotary part and the cylinder.
- 7. the adjustable plugging device in aperture according to claim 5, it is characterised in that:The locking mechanism includes steel band and lock Button, the steel band are coated on the outer wall of the rotary part and the outer wall with the cylinder, and the lock is tightened up or loosened described Steel band is so as to clamping or unclamp the rotary part and the cylinder.
- 8. the adjustable plugging device in aperture according to claim 7, it is characterised in that:The outer wall of the rotary part and with institute State cylinder outer wall set it is fluted, the steel band is arranged on two grooves.
- 9. the adjustable plugging device in aperture according to claim 7, it is characterised in that:The outer wall of the rotary part with it is described The inwall of cylinder is provided with the screw thread of mutual cooperation.
- 10. the adjustable plugging device in aperture according to claim 5, it is characterised in that:The locking mechanism includes the second spiral shell Bolt, the second nut, the support ear located at the cylinder lateral wall, and the rotation ear located at the rotary part side wall, the rotation Transfer ear is provided with arcuate socket, and one end of second bolt through the arcuate socket and is fixed on the support ear, the other end with Second nut is connected, to clamp or unclamp the rotary part and the cylinder.
- 11. the adjustable plugging device in aperture according to claim 10, it is characterised in that:It is provided with and is used on the support ear Connect the fixing hole of wall.
- 12. the adjustable plugging device in aperture according to claim 1, it is characterised in that:The adjustable plugging device in aperture is also Including closure, the closure is in setting and being located at the other end of the cylinder turnablely, by the inside of the cylinder It is isolated from the outside.
- 13. the adjustable plugging device in aperture according to claim 12, it is characterised in that:The inner side of the closure, which is provided with, to be made The inside of the cylinder and the pad of extraneous sealing.
- 14. the adjustable plugging device in aperture according to claim 12, it is characterised in that:The adjustable plugging device in aperture is also Include the clamping structure of closure described in clamping.
- 15. the adjustable plugging device in aperture according to claim 14, it is characterised in that:The clamping structure includes clamping hand Handle and Fastener, the Fastener offer neck, and the clamping handle is articulated on the closure, and the Fastener is relative The cylinder is fixed, and the clamping handle is fastened in the neck.
- 16. the adjustable plugging device in aperture according to claim 14, it is characterised in that:The clamping structure includes the 3rd spiral shell Bolt, the 3rd nut, the compression ear being fixed on the closure, and the fixed ear of the cylinder lateral wall is fixed on, the pressure Tight ear and the fixed ear are respectively equipped with the hole passed through for the 3rd bolt, and the 3rd bolt passes through the two Kong Bingyu institutes The cooperation of the 3rd nut is stated, to compress the closure.
- 17. the adjustable plugging device in aperture according to claim 1, it is characterised in that:The cylinder have first through hole and Second through hole, the internal diameter of the first through hole are less than the internal diameter of second through hole, and the string holes adjustment structure is arranged at described Second through hole.
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CN201710876839.5A CN107508248B (en) | 2017-09-25 | 2017-09-25 | Aperture-adjustable plugging device |
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CN201710876839.5A CN107508248B (en) | 2017-09-25 | 2017-09-25 | Aperture-adjustable plugging device |
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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 |
CN110190532A (en) * | 2019-05-15 | 2019-08-30 | 林云聪 | A kind of adjustable cable-through hole of distribution box |
CN111787743A (en) * | 2020-06-08 | 2020-10-16 | 珠海格力电器股份有限公司 | Wire 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 |
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CN114566815A (en) * | 2022-03-04 | 2022-05-31 | 广东电网有限责任公司 | Anti-misoperation cap for cable head |
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