CN109838447A - Multifunctional integrated device and its installation tool based on communication pipe anti-theft - Google Patents
Multifunctional integrated device and its installation tool based on communication pipe anti-theft Download PDFInfo
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- CN109838447A CN109838447A CN201910093312.4A CN201910093312A CN109838447A CN 109838447 A CN109838447 A CN 109838447A CN 201910093312 A CN201910093312 A CN 201910093312A CN 109838447 A CN109838447 A CN 109838447A
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- cylindrical groove
- spanner
- theft
- stud
- top end
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- 238000004891 communication Methods 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 title claims abstract description 27
- 230000006378 damage Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The present invention provides multifunctional integrated device and its installation tool based on communication pipe anti-theft, comprising: rotary mount, tap wrench and inner rod；The rotary mount top end face offers the cylindrical groove A at one, and cylindrical groove A inner wall top end face center is welded with the ellipticity protrusion；The inner rod is threadedly connected in the inner sleeve.High stability of the present invention does not easily cause the phenomenon that can not dismantling, pass through the setting of stud, after being socketed in ellipticity protrusion using the spanner on outer tube and rotate and unscrew, needing to be threadedly coupled using the tap wrench on inner sleeve with stud can be extracted present apparatus main body out out of pipeline, when at this time such as the thread damage on the outside of stud, inner rod can be used to be threadedly coupled with the threaded hole in stud equally can also extract present apparatus main body out out of pipeline, pass through the spare effect of threaded hole, it can effectively prevent the phenomenon that present apparatus main body can not being extracted out when stud external screw thread damages.
Description
Technical field
The invention belongs to pipeline anti-theft device technical fields, more specifically, are in particular to based on communication pipe anti-theft
Multifunctional integrated device and its installation tool.
Background technique
With the continuous acceleration of domestic city construction process and communication construction demand, communication infrastructure resource becomes increasingly
It is rare and valuable.Communication pipe is most important basic resource in transmission network, and the underground for being mainly used for optical cable is laid.City road
After the completion of the construction once of road, it will be difficult to carry out municipal administration excavation again and pipeline is laid with, the pipeline and pipe for being laid with early period or having reserved
Hole resource is of great rarity, it is necessary to carry out effective resource management to it.
Such as application number: the invention discloses a kind of communication pipe anti-theft blocking device, packets by CN201510526958.9
It includes: the first fixing clamp；The second fixing clamp being coaxially disposed with the first fixing clamp；It is placed coaxially on the first fixing clamp and second
Rubber ring between fixing clamp may expand under the action of clamping force；It is suitable from the first fixing clamp, rubber ring and the second fixing clamp
The anti-theft bolt that sequence passes through, screw rod lower end have external screw thread, and upper end is equipped with head；And it is fastened on the screw rod of anti-theft bolt
Stop nut；The head is equipped with center counterbore, and it is anti-that the head and the center counterbore constitute the dismounting communication pipe
Usurp the theft-prevention structure of blocking device.The invention also discloses the installation tools of communication pipe anti-theft blocking device.
Based on the retrieval of application number CN201510526958.9 patent, and equipment in the prior art is combined to find, on
Although stating equipment in use, rubber ring and pipeline can be made by the cooperation of the first fixing clamp, the second fixing clamp and rubber ring
Inner wall is combined closely, and still, it is lower that bottom is compared in the practicality and safety, for example, first, in the process of installation and removal
In, by the counterbore of center thread damage or attempt illegally occupy pipeline personnel by the thread damage on the counterbore of center, at this time
We can not take out present apparatus main body out of pipeline；Second, when having silt to pour into piping shaft, and silt pours into pipeline
Interior, counterbore position in center is blocked by silt at this time, our personnel need to remove the silt on the counterbore threads of center, this process is more
Complexity, existing apparatus cannot effectively avoid personnel's destruction and silt from pouring into, and overall practical is lower.
Summary of the invention
In order to solve the above technical problem, the present invention provides based on communication pipe anti-theft multifunctional integrated device and
Its installation tool, with solve it is existing when in use, first, during installation and removal, by the screw thread on the counterbore of center
Damage is attempted to illegally occupy pipeline personnel for the thread damage on the counterbore of center, we can not be by present apparatus main body at this time
It is taken out out of pipeline；Second, when having silt to pour into piping shaft, and silt pours into pipeline, and counterbore position in center is by mud at this time
Sand blocking, our personnel need to remove the silt on the counterbore threads of center, this process is complex, and existing apparatus cannot be effective
It avoids personnel from destroying to pour into silt, overall practical is lower.The problem of.
The present invention is based on the multifunctional integrated device of communication pipe anti-theft and its purpose and effect of installation tool, by
Technological means is reached in detail below:
Multifunctional integrated device and its installation tool based on communication pipe anti-theft, including rotary mount, cylindricality
Slot A, ellipticity protrusion, cylindrical groove B, stud, threaded hole, the first fixing clamp, column-shaped projection A, the second fixing clamp, column-shaped projection B,
It is rubber ring, cylindrical groove C, strip bulge, top cover, elliptical slot, oval protrusion, elastic bayonet lock, outer tube, spanner, pin hole, interior
Casing, tap wrench and inner rod；The rotary mount top end face offers the cylindrical groove A at one, and the cylindrical groove A
Inner wall top end face center is welded with the ellipticity protrusion；Ellipticity protruding apex face offers described at one
Cylindrical groove B, and the cylindrical groove B inner wall top end face is welded with the stud；；Rotary mount outer wall top position
It is socketed with first fixing clamp, and the first fixing clamp bottom face is symmetrically welded that there are two the column-shaped projection A；Institute
It states rotary mount outer wall and is located at the first fixing clamp lower position and be threaded with second fixing clamp, and is described
Second fixing clamp top end face is symmetrically welded there are two the column-shaped projection B；The top cover is threadedly connected to the rotary mount
In the cylindrical groove A on tops；The top cover top end face, which offers, locates the elliptical slot, and elliptical slot inner wall top
End face center position is welded with the oval protrusion；The inner sleeve is socketed in the outer tube, and the inner sleeve
Outer wall top is threadedly coupled with the outer sleeve inner wall top；The inner sleeve bottom face is welded with the tap wrench；
The inner rod is screw thread rod structure, and the inner rod is threadedly connected in the inner sleeve.
Further, the rotary mount outer wall also covers between first fixing clamp and second fixing clamp
It is connected to the rubber ring, and the rubber ring top end face and bottom face symmetrically open up that there are two the cylindrical groove C, and
The cylindrical groove C matches with the column-shaped projection A and the column-shaped projection B.
Further, the rubber ring outer wall circular array shape offers several strip bulges.
Further, the outer tube bottom face is welded with the spanner, and the spanner mouth of the spanner is ellipse
Shape, and the spanner mouth of the spanner matches with the oval convex shape.
Further, the spanner outer wall is symmetrically opened up there are two the pin hole, and the oval raised outer wall is symmetrical
There are two the elastic bayonet locks for setting, and the pin hole matches with the elastic bayonet lock.
Further, the spanner mouth of the spanner matches with the ellipticity convex shape.
Further, the spanner mouth-shaped of the tap wrench and the shape of the stud match, and the screw thread is pulled
Hand can be threadedly coupled with the stud.
Further, stud top end face center offers the threaded hole at one, and the threaded hole and institute
Inner sleeve rod-shape is stated to match.
Compared with prior art, the invention has the following beneficial effects:
High stability of the present invention does not easily cause the phenomenon that can not dismantling, by the setting of stud, using on outer tube
After spanner is socketed in ellipticity protrusion and rotates and unscrew, need using tap wrench and the stud side of threaded connection on inner sleeve
Present apparatus main body can be extracted out out of pipeline, at this time such as the thread damage on the outside of stud when, can be used in inner rod and stud
Threaded hole threaded connection equally can also extract present apparatus main body out out of pipeline, by the spare effect of threaded hole, can effectively prevent
The phenomenon that present apparatus main body can not only being extracted out when stud external screw thread damages.
The present invention Fast Installation and can be not likely to produce during installation slipping phenomenon, on the one hand because of the column on the first fixing clamp
Column-shaped projection B on shape protrusion A and the second fixing clamp is socketed in the cylindrical groove C on rubber ring, at this time the first fixing clamp,
Two fixing clamps and rubber ring are an entirety, then, when rotary mount is tightened in rotation, the second fixing clamp and pipeline can be prevented
Inner wall, which generates slipping phenomenon, to be led to not be installed；On the other hand, because rubber ring outer wall circular array shape offer it is several
Strip bulge, therefore the frictional resistance between rubber ring and inner wall of the pipe can be enhanced, it prevents from generating skidding during installation
Phenomenon.
Security performance of the present invention is higher and effectively can prevent criminal from destroying, and passes through the setting of top cover, on the one hand,
It can prevent criminal from damaging the threaded hole on stud or stud using sharp ironware when failing to open the present apparatus, lead
Us is caused also to fail to open the present apparatus；On the other hand, if can prevent from thering is silt to pour into pipeline, the screw thread on inner sleeve is caused to be pulled
Hand can not be combined with stud.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is schematic cross-sectional view of the invention.
Fig. 3 is Fig. 2 of the present invention structural schematic diagram after tightening rotary mount.
Fig. 4 is the vertical view enlarged structure schematic diagram of top cover of the present invention.
Fig. 5 is enlarged structure schematic diagram at A in Fig. 4 of the present invention.
Fig. 6 is the schematic view of the front view of installation tool of the present invention.
Fig. 7 is the structural schematic diagram of the section view of installation tool of the present invention.
Fig. 8 is enlarged structure schematic diagram at B in Fig. 7 of the present invention.
Fig. 9 is the section view enlarged structure schematic diagram of rubber ring of the present invention.
In figure, the corresponding relationship of component names and accompanying drawing number are as follows:
1- rotary mount, 101- cylindrical groove A, 102- ellipticity protrusion, 10201- cylindrical groove B, 103- stud, 10301-
Threaded hole, the first fixing clamp of 2-, the second fixing clamp of 201- column-shaped projection A, 3-, 301- column-shaped projection B, 4- rubber ring, 401- column
Shape slot C, 402- strip bulge, 5- top cover, 501- elliptical slot, the oval protrusion of 502-, 50201- elastic bayonet lock, 6- outer tube,
601- spanner, 60101- pin hole, 7- inner sleeve, 701- tap wrench, 8- inner rod.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment:
As shown in attached drawing 1 to attached drawing 9:
The present invention provides multifunctional integrated device and its installation tool based on communication pipe anti-theft, includes: rotation
It is fixed to turn fixing piece 1, cylindrical groove A101, ellipticity protrusion 102, cylindrical groove B10201, stud 103, threaded hole 10301, first
Press from both sides 2, column-shaped projection A201, the second fixing clamp 3, column-shaped projection B301, rubber ring 4, cylindrical groove C401, strip bulge 402, top cover
5, elliptical slot 501, oval protrusion 502, elastic bayonet lock 50201, outer tube 6, spanner 601, pin hole 60101, inner sleeve 7,
Tap wrench 701 and inner rod 8；1 top end face of rotary mount offers cylindrical groove A101 at one, and cylindrical groove A101 inner wall top
End face center position is welded with an ellipticity protrusion 102；Ellipticity 102 top end faces of protrusion offer cylindrical groove at one
B10201, and cylindrical groove B10201 inner wall top end face is welded with a stud 103；；The socket of 1 outer wall top position of rotary mount
There is first fixing clamp 2, and 2 bottom face of the first fixing clamp is symmetrically welded that there are two column-shaped projection A201；Outside rotary mount 1
Wall is located at 2 lower position of the first fixing clamp and is threaded with second fixing clamp 3, and 3 top end face balanced welding of the second fixing clamp
Column-shaped projection B301 there are two connecing；Top cover 5 is threadedly connected in the cylindrical groove A101 on 1 tops of rotary mount；5 top of top cover
Face, which offers, locates elliptical slot 501, and 501 inner wall top end face center of elliptical slot is welded with an oval protrusion
502；Inner sleeve 7 is socketed in outer tube 6, and 7 outer wall top of inner sleeve is threadedly coupled with 6 inner wall top of outer tube；Inner sleeve 7
Bottom face is welded with a tap wrench 701；Inner rod 8 is screw thread rod structure, and inner rod 8 is threadedly connected in inner sleeve 7.
Wherein, 1 outer wall of rotary mount is also socketed with a rubber between the first fixing clamp 2 and the second fixing clamp 3
Circle 4, and 4 top end face of rubber ring and bottom face are symmetrically opened up there are two cylindrical groove C401, and cylindrical groove C401 and cylindricality are convex
A201 and column-shaped projection B301 is played to match, therefore when rotating the installation present apparatus of rotary mount 1, the second fixing clamp can be prevented
3 have skidded phenomenon with communication pipe inner wall, lead to not install phenomenon.
Wherein, 4 outer wall circular array shape of rubber ring offers several strip bulges 402, therefore fixes in rotation rotation
When part 1 fastens the present apparatus, the frictional resistance between rubber ring 4 and communication pipe inner wall can be enhanced, therefore can facilitate and be installed.
Wherein, 6 bottom face of outer tube is welded with a spanner 601, and the spanner mouth of spanner 601 is elliptical shape, and
The spanner mouth of spanner 601 matches with oval raised 502 shapes, therefore can pass through the cooperation between spanner 601 and oval protrusion 502
It can be rotated top cover 5.
Wherein, 601 outer wall of spanner is symmetrically opened up there are two pin hole 60101, and oval raised 502 outer walls are symmetrically arranged with
Two elastic bayonet locks 50201, and pin hole 60101 matches with elastic bayonet lock 50201, therefore pass through 50201 He of elastic bayonet lock
The cooperation of pin hole 60101 can be extracted top cover 5 by spanner 601 after top cover 5 is rotated from rotary mount 1 and backed out.
Wherein, the spanner mouth of spanner 601 matches with raised 102 shapes of ellipticity, therefore can pass through spanner 601 and ellipticity
Cooperation between protrusion 102 can be rotated rotary mount 1 and be mounted and dismounted.
Wherein, the spanner mouth-shaped of tap wrench 701 and the shape of stud 103 match, and tap wrench 701 can be with spiral shell
Column 103 is threadedly coupled, after spanner 601, which rotates ellipticity protrusion 102, unscrews rotary mount 1, because tap wrench 701 can be with
Stud 103 is threadedly coupled, therefore can be extracted the present apparatus out of pipeline by inner sleeve 7.
Wherein, 103 top end face center of stud offers threaded hole 10301 at one, and threaded hole 10301 and inner rod
8 shapes match, therefore in the damage of the external screw thread of stud 103, it can be incited somebody to action by the cooperation between threaded hole 10301 and inner rod 8
The present apparatus is extracted out of pipe.
When use: first the present apparatus being mounted in communication pipe first, method is: first by the spanner on outer tube 6
601 are socketed in the ellipticity protrusion 102 on rotary mount 1, and then rotating inner sleeve 7 makes the tap wrench on inner sleeve 7
701 are threadedly connected on stud 103, at this point, pushing outer tube 6 that the present apparatus is pushed to inside communication pipe, then rotation is outer
Casing 6, the distance between the first fixing clamp 2 and the second fixing clamp 3 at this point, rotation for passing through rotary mount 1 can further, simultaneously
3 compressible rubber circle 4 of first fixing clamp 2 and the second fixing clamp, rubber ring 4 can closely be connect after being compressed with inner wall of the pipe；
Main body installs at this time, then carries out installation top cover 5, method is: top cover 5 being caught in spanner 601 first,
It at this time can be temporarily solid by top cover 5 by the cooperation of pin hole 60101 on elastic bayonet lock 50201 in oval protrusion 502 and spanner 601
It is scheduled in spanner 601, top cover 5 is then sent into pipeline, and rotating jacket pipe 6, make in the screw thread and cylindrical groove A101 on top cover 5
Screw thread combine, top cover 5 can be installed in place at this time.
In disassembly disassembly present apparatus main body can be being carried out after first dismantling top cover 5 in a reverse order.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (8)
1. multifunctional integrated device and its installation tool based on communication pipe anti-theft, it is characterised in that: should be based on communication
The multifunctional integrated device and its installation tool of pipeline anti-theft include: rotary mount (1), cylindrical groove A (101), ellipse
Shape protrusion (102), cylindrical groove B (10201), stud (103), threaded hole (10301), the first fixing clamp (2), column-shaped projection A
(201), the second fixing clamp (3), column-shaped projection B (301), rubber ring (4), cylindrical groove C (401), strip bulge (402), top cover
(5), elliptical slot (501), oval raised (502), elastic bayonet lock (50201), outer tube (6), spanner (601), pin hole
(60101), inner sleeve (7), tap wrench (701) and inner rod (8)；Rotary mount (1) top end face offers at one
The cylindrical groove A (101), and the cylindrical groove A (101) inner wall top end face center is welded with the ellipticity protrusion
(102)；Raised (102) top end face of the ellipticity offers the cylindrical groove B (10201) at one, and the cylindrical groove B
(10201) inner wall top end face is welded with the stud (103)；；Rotary mount (1) the outer wall top position is socketed with
One first fixing clamp (2), and first fixing clamp (2) bottom face is symmetrically welded there are two the column-shaped projection A
(201)；Rotary mount (1) outer wall is located at the first fixing clamp (2) lower position and is threaded with one described
Two fixing clamps (3), and second fixing clamp (3) top end face is symmetrically welded there are two the column-shaped projection B (301)；The top
Lid (5) is threadedly connected in the cylindrical groove A (101) on the rotary mount (1) tops；Top cover (5) top end face opens up
Have and locate the elliptical slot (501), and the elliptical slot (501) inner wall top end face center is welded with described in one
Oval protrusion (502)；The inner sleeve (7) is socketed in the outer tube (6), and the inner sleeve (7) outer wall top and institute
State the threaded connection of outer tube (6) inner wall top；Inner sleeve (7) bottom face is welded with the tap wrench (701)；Institute
Stating inner rod (8) is screw thread rod structure, and the inner rod (8) is threadedly connected in the inner sleeve (7).
2. multifunctional integrated device and its installation tool as described in claim 1 based on communication pipe anti-theft, feature
Be: rotary mount (1) outer wall is also socketed between first fixing clamp (2) and second fixing clamp (3)
There is the rubber ring (4), and the rubber ring (4) top end face and bottom face symmetrically open up that there are two the cylindrical groove C
(401), and the cylindrical groove C (401) matches with the column-shaped projection A (201) and the column-shaped projection B (301).
3. multifunctional integrated device and its installation tool as described in claim 1 based on communication pipe anti-theft, feature
Be: rubber ring (4) the outer wall circular array shape offers several strip bulges (402).
4. multifunctional integrated device and its installation tool as described in claim 1 based on communication pipe anti-theft, feature
Be: outer tube (6) bottom face is welded with the spanner (601), and the spanner mouth of the spanner (601) is ellipse
Shape, and the spanner mouth of the spanner (601) matches with described oval raised (502) shape.
5. multifunctional integrated device and its installation tool as described in claim 1 based on communication pipe anti-theft, feature
Be: spanner (601) outer wall is symmetrically opened up there are two the pin hole (60101), and described oval raised (502) outer wall
There are two being symmetrical arranged the elastic bayonet lock (50201), and the pin hole (60101) and the elastic bayonet lock (50201)
Match.
6. multifunctional integrated device and its installation tool as described in claim 1 based on communication pipe anti-theft, feature
Be: the spanner mouth of the spanner (601) matches with raised (102) shape of the ellipticity.
7. multifunctional integrated device and its installation tool as described in claim 1 based on communication pipe anti-theft, feature
Be: the spanner mouth-shaped and the shape of the stud (103) of the tap wrench (701) match, and the tap wrench
(701) it can be threadedly coupled with the stud (103).
8. multifunctional integrated device and its installation tool as described in claim 1 based on communication pipe anti-theft, feature
Be: stud (103) the top end face center offers the threaded hole (10301) at one, and the threaded hole
(10301) match with the inner rod (8) shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093312.4A CN109838447B (en) | 2019-01-30 | 2019-01-30 | Multifunctional integrated device based on communication pipeline anti-theft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910093312.4A CN109838447B (en) | 2019-01-30 | 2019-01-30 | Multifunctional integrated device based on communication pipeline anti-theft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109838447A true CN109838447A (en) | 2019-06-04 |
| CN109838447B CN109838447B (en) | 2021-02-09 |
Family
ID=66884506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910093312.4A Expired - Fee Related CN109838447B (en) | 2019-01-30 | 2019-01-30 | Multifunctional integrated device based on communication pipeline anti-theft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109838447B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4149434A (en) * | 1978-03-17 | 1979-04-17 | Leroy Wilson | Screw and screwdriver therefor |
| CA1088353A (en) * | 1977-11-23 | 1980-10-28 | Peter T. Urwin | Rotary drive fastener |
| GB2095356A (en) * | 1981-03-24 | 1982-09-29 | Groppo Domenico | Antitheft device for bolts or nuts |
| WO1992005918A1 (en) * | 1990-10-04 | 1992-04-16 | Jeremy Andrew Spillane | Fastening system |
| FR2675553A3 (en) * | 1991-04-18 | 1992-10-23 | Fagix | Theft-proof fastening element and compatible clamping piece |
| CN201149028Y (en) * | 2007-09-20 | 2008-11-12 | 刘德仲 | Anti-dismounting bolt pair, anti-dismounting bolt nut thereof, and special-purpose wrench thereof |
| CN202790015U (en) * | 2012-06-09 | 2013-03-13 | 陈培金 | Automobile bolt wheel lock with triple anti-theft function and special key thereof |
| CN106481643A (en) * | 2015-08-25 | 2017-03-08 | 中国移动通信集团贵州有限公司 | A kind of communication pipe tamper-proof blocking device and its installation tool |
| CN208304944U (en) * | 2018-05-24 | 2019-01-01 | 佛山市南海华达高木模具有限公司 | A kind of pulling block device |
-
2019
- 2019-01-30 CN CN201910093312.4A patent/CN109838447B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1088353A (en) * | 1977-11-23 | 1980-10-28 | Peter T. Urwin | Rotary drive fastener |
| US4149434A (en) * | 1978-03-17 | 1979-04-17 | Leroy Wilson | Screw and screwdriver therefor |
| GB2095356A (en) * | 1981-03-24 | 1982-09-29 | Groppo Domenico | Antitheft device for bolts or nuts |
| WO1992005918A1 (en) * | 1990-10-04 | 1992-04-16 | Jeremy Andrew Spillane | Fastening system |
| FR2675553A3 (en) * | 1991-04-18 | 1992-10-23 | Fagix | Theft-proof fastening element and compatible clamping piece |
| CN201149028Y (en) * | 2007-09-20 | 2008-11-12 | 刘德仲 | Anti-dismounting bolt pair, anti-dismounting bolt nut thereof, and special-purpose wrench thereof |
| CN202790015U (en) * | 2012-06-09 | 2013-03-13 | 陈培金 | Automobile bolt wheel lock with triple anti-theft function and special key thereof |
| CN106481643A (en) * | 2015-08-25 | 2017-03-08 | 中国移动通信集团贵州有限公司 | A kind of communication pipe tamper-proof blocking device and its installation tool |
| CN208304944U (en) * | 2018-05-24 | 2019-01-01 | 佛山市南海华达高木模具有限公司 | A kind of pulling block device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109838447B (en) | 2021-02-09 |
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