CN113958590B - Antitheft device for transmission line iron tower - Google Patents
Antitheft device for transmission line iron tower Download PDFInfo
- Publication number
- CN113958590B CN113958590B CN202111091458.9A CN202111091458A CN113958590B CN 113958590 B CN113958590 B CN 113958590B CN 202111091458 A CN202111091458 A CN 202111091458A CN 113958590 B CN113958590 B CN 113958590B
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- Prior art keywords
- galvanized
- block
- annular
- screw cap
- outer ring
- 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.)
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 8
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
- F16B43/001—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of transmission line iron tower nuts, in particular to an anti-theft device for a transmission line iron tower, which comprises a galvanized inner nut, a galvanized outer ring, a mounting rod, an operating rod, a fixing block, a first alignment strip and a second alignment strip, wherein an outer ring groove is arranged on the outer side of the middle part of the galvanized inner nut, the galvanized outer ring comprises an annular block and an outer ring block, the outer side of the annular block is fixed with the inner side of the middle part of the outer ring block, and the annular block is sleeved on the inner side of the outer ring groove. According to the invention, the galvanized inner screw cap, the galvanized outer ring, the mounting rod and the operating rod are arranged, so that the fixing block is connected with the galvanized outer ring, the mounting rod and the galvanized inner screw cap, and then the galvanized outer ring is rotated, so that the galvanized inner screw cap can be rotated, the purpose of connecting the galvanized inner screw cap with a bolt is achieved, the galvanized inner screw cap can be mounted on the bolt without a mounting tool, the galvanized inner screw cap is prevented from being rotated by a non-staff member, the galvanized inner screw cap is prevented from being stolen from the bolt, and the galvanized inner screw cap is simple in structure and convenient to use.
Description
Technical Field
The invention relates to the technical field of transmission line iron tower nuts, in particular to an anti-theft device for a transmission line iron tower.
Background
The transmission line iron tower is an important operation device and a part of an overhead transmission line, a large number of bolts and nuts are needed for connection between the parts of the Lu Tie tower materials of the transmission line, the transmission line iron tower is used for installing working elements, and in order to avoid the theft and the prevention of the theft of the working elements, a special anti-theft nut is used on the iron tower, so that the safety performance is improved.
The movable screw cap used in the anti-theft foot nail of the overhead transmission line iron tower disclosed in the Chinese patent publication No. CN204200820U is the anti-theft screw cap, the anti-theft purpose is achieved by installing iron wires after the movable screw cap and the screw bolt, when the anti-theft iron tower is installed and disassembled, an installation tool is needed, the screw cap is inconvenient to directly install on the screw bolt, the anti-theft measures are complicated, when the screw cap is taken off from the screw bolt, the screw threads in the screw bolt and the screw cap are affected, and the galvanized inner screw cap is inconvenient to manually install on the screw bolt, so that the anti-theft structure is complicated.
Disclosure of Invention
The invention provides an anti-theft device for a transmission line iron tower, which overcomes the defects of the prior art, and can effectively solve the problems that an installation tool is needed and the installation is inconvenient when the anti-theft nut special for the transmission line iron tower is installed and disassembled.
The technical scheme of the invention is realized by the following measures: the utility model provides an anti-theft device for transmission line iron tower, including galvanized inner nut, galvanized outer ring, the installation pole, the action bars, the fixed block, first alignment strip and second alignment strip, the middle part outside of galvanized inner nut is equipped with outer annular, galvanized outer ring includes annular block and outer annular block, the outside of annular block is in the same place with the inboard fixed in middle part of outer annular block, annular block suit is in outer annular inboard, can radially be equipped with two at least gyro wheels between the outside that the annular block is close to outer annular groove and the outer annular inboard, annular block and gyro wheel's roller both sides fixed connection are in the same place, outer annular block inboard and galvanized inner nut outside sealing connection, the outer annular block outside radially is equipped with the outside slot of opening two relative slots, the inboard of slot extends to the inboard of annular block, every slot inboard all is equipped with the installation pole in the cover, the inside upside of outer annular slot of corresponding every slot position all radially is equipped with the first arc wall that the opening is decurrent, the annular block corresponding to the first arc-shaped groove is provided with a second arc-shaped groove with an upward opening, the bottom of the second arc-shaped groove extends to the inner side of the mounting rod corresponding to the position, the first arc-shaped groove and the second arc-shaped groove are sleeved with a fixed block, the inner side of the mounting rod corresponding to the middle position of the second arc-shaped groove is provided with an inner and outer through mounting hole, the mounting hole is sleeved with an operating rod, the inner end of the operating rod is fixedly connected with the outer side of the bottom of the fixed block, the outer side of the operating rod extends to the outer side of the outer ring block, the operating rod can drive the fixed block to rotate in the inner side of the first arc-shaped groove and the second arc-shaped groove when rotating, a first alignment strip is fixed on the outer side of the galvanized inner screw cap corresponding to one slot position, a second alignment strip radially opposite to the first alignment strip is fixed on the outer side of the outer ring block corresponding to the other slot position, a rotating disc is fixed on the outer side of the outer ring block, the rotating disc is of a circular plate-shaped structure and is fixedly connected with the outer end of the operating rod.
The following are further optimizations and/or improvements to the above-described inventive solution:
an upper ring groove with an outward opening can be formed in the outer side of the upper part of the galvanized inner screw cap, an upper annular sealing ring is arranged in the upper ring groove, and the inner side of the upper part of the outer ring block is in sealing connection with the outer side of the upper part of the galvanized inner screw cap through the upper annular sealing ring; the outer side of the lower part of the galvanized inner screw cap is provided with a lower annular groove with an outward opening, a lower annular sealing ring is arranged in the lower annular groove, and the inner side of the lower part of the outer annular block is in sealing connection with the outer side of the lower part of the galvanized inner screw cap through the lower annular sealing ring.
According to the invention, the galvanized inner screw cap, the galvanized outer ring, the mounting rod and the operating rod are arranged, so that the fixing block is connected with the galvanized outer ring, the mounting rod and the galvanized inner screw cap, and then the galvanized outer ring is rotated, so that the galvanized inner screw cap can be rotated, the purpose of connecting the galvanized inner screw cap with a bolt is achieved, the galvanized inner screw cap can be mounted on the bolt without a mounting tool, the galvanized inner screw cap is prevented from being rotated by a non-staff member, the galvanized inner screw cap is prevented from being stolen from the bolt, and the galvanized inner screw cap is simple in structure and convenient to use.
Drawings
Fig. 1 is a schematic diagram of a front cross-sectional structure of an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of FIG. 1 taken along the direction A-A.
Fig. 3 is a schematic perspective view of the mounting bar and the operating bar of fig. 1.
FIG. 4 is a schematic cross-sectional view of FIG. 1 taken along the direction B-B with the mounting bar removed.
Fig. 5 is a schematic overall perspective view of an embodiment of the present invention.
The codes in the drawings are respectively: 1 is a galvanized inner nut, 2 is an annular block, 3 is a mounting rod, 4 is an operating rod, 5 is a fixed block, 6 is a first alignment strip, 7 is a second alignment strip, 8 is an outer annular block, 9 is a slot, 10 is an outer annular slot, 11 is a first arc-shaped slot, 12 is a second arc-shaped slot, 13 is a rotating disc, 14 is a roller, 15 is an upper annular slot, 16 is a lower annular slot, 17 is an upper annular seal ring, and 18 is a lower annular seal ring.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described below with reference to examples and figures:
as shown in figures 1, 2 and 3, the anti-theft device for the transmission line iron tower comprises a galvanized inner screw cap 1, a galvanized outer ring, a mounting rod 3, an operating rod 4, a fixing block 5, a first alignment strip 6 and a second alignment strip 7, wherein an outer ring groove 10 is arranged on the outer side of the middle part of the galvanized inner screw cap 1, the galvanized outer ring comprises an annular block 2 and an outer ring block 8, the outer side of the annular block 2 is fixed with the inner side of the middle part of the outer ring block 8, the annular block 2 is sleeved on the inner side of the outer ring groove 10, at least two rollers 14 are radially arranged between the outer side of the annular block 2 close to the outer side of the outer ring groove 10 and the inner side of the outer ring groove 10, the two sides of a roller of the annular block 2 and the rollers 14 are fixedly connected together, the inner side of the outer ring block 8 is in sealing connection with the outer side of the galvanized inner screw cap 1, two opposite slots 9 with outwards-opened slots are radially arranged on the outer side of the outer ring block 8, the inner side of the slots 9 extend to the inner side of the annular block 2, the inner side of each slot 9 is sleeved with a mounting rod 3, the upper side of the inner part of an outer ring groove 10 corresponding to the position of each slot 9 is radially provided with a first arc groove 11 with a downward opening, the annular block 2 corresponding to the position of the first arc groove 11 is provided with a second arc groove 12 with an upward opening, the bottom of the second arc groove 12 extends to the inner side of the mounting rod 3 corresponding to the position, the first arc groove 11 and the second arc groove 12 are sleeved with a fixed block 5, the inner side of the mounting rod 3 corresponding to the middle position of the second arc groove 12 is provided with a mounting hole which is internally and externally penetrated, the mounting hole is sleeved with an operating rod 4, the inner end of the operating rod 4 is fixedly connected with the outer side of the bottom of the fixed block 5, the outer side of the operating rod 4 extends to the outer side of the outer ring block 8, and the operating rod 4 can drive the fixed block 5 to rotate at the inner sides of the first arc groove 11 and the second arc groove 12 when rotating, the first alignment strip 6 is fixed on the outer side of the galvanized inner nut 1 corresponding to one slot 9, the second alignment strip 7 radially opposite to the first alignment strip 6 is fixed on the outer side of the outer ring block 8 corresponding to the other slot 9, the rotating disc 13 is fixed on the outer side of the outer ring block 8, the rotating disc 13 is of a circular plate-shaped structure, and the rotating disc 13 is fixedly connected with the outer end of the operating rod 4.
According to the requirement, the rolling wheel 14 is arranged, so that the rotation friction is reduced when the annular block 2 and the galvanized inner screw cap 1 rotate; the rotation of the operating rod 4 is facilitated by the arrangement of the rotating disc 13; when in use, the galvanized inner screw cap 1 is connected with an external bolt, and the specific connection process is as follows: rotating the outer ring block 8 to enable the ring block 2 to rotate inside the outer ring groove 10, rotating the second alignment strip 7 on the outer ring block 8 to be aligned with the first alignment strip 6 on the outer side of the galvanized inner screw cap 1 in the radial direction, aligning the first arc-shaped groove 11 with the second arc-shaped groove 12 on the corresponding position, rotating the operating rod 4 to enable the fixed block 5 on the operating rod 4 to rotate to the inner side of the first arc-shaped groove 11 on the corresponding position, thereby fixing the ring block 2 and the outer ring block 8 with the galvanized inner screw cap 1, and then rotating the rotating disc 13 to drive the outer ring block 8 to rotate, namely rotating the galvanized inner screw cap 1, so that the galvanized inner screw cap 1 is screwed with an external bolt; after the galvanized inner screw cap 1 is connected with an external bolt, the fixed block 5 on the operating rod 4 is rotated to the inner side of the corresponding second arc-shaped groove 12 on the mounting rod 3 by rotating the operating rod 4, so that when the outer ring block 8 is rotated, the annular block 2 is rotated at the inner side of the outer ring groove 10, the galvanized inner screw cap 1 is not driven to rotate, and the galvanized inner screw cap 1 is prevented from being taken down by using a wrench.
According to the invention, the galvanized inner screw cap 1, the galvanized outer ring, the mounting rod 3 and the operating rod 4 are arranged, so that the fixing block 5 is connected with the galvanized outer ring, the mounting rod 3 and the galvanized inner screw cap 1, and then the galvanized outer ring is rotated, so that the galvanized inner screw cap 1 can be rotated, the purpose of connecting the galvanized inner screw cap 1 with a bolt is achieved, the galvanized inner screw cap 1 can be installed on the bolt without an installation tool, the galvanized inner screw cap 1 is prevented from being rotated by a non-worker, the galvanized inner screw cap 1 is stolen from the bolt, and the galvanized inner screw cap is simple in structure and convenient to use.
The anti-theft device for the transmission line iron tower can be further optimized or/and improved according to actual needs:
as shown in figure 1, the outer side of the upper part of the galvanized inner screw cap 1 is provided with an upper ring groove 15 with an outward opening, an upper annular sealing ring 17 is arranged in the upper ring groove 15, and the inner side of the upper part of the outer ring block 8 is in sealing connection with the outer side of the upper part of the galvanized inner screw cap 1 through the upper annular sealing ring 17; the outer side of the lower part of the galvanized inner screw cap 1 is provided with a lower annular groove 16 with an outward opening, a lower annular sealing ring 18 is arranged in the lower annular groove 16, and the inner side of the lower part of the outer annular block 8 is in sealing connection with the outer side of the lower part of the galvanized inner screw cap 1 through the lower annular sealing ring 18.
Through setting up ring seal 17 and lower ring seal 18, be convenient for with sealing between outer ring piece 8 and the galvanized inner nut 1, prevent that sleet weather ponding from getting into between outer ring piece 8 and the galvanized inner nut 1, avoid galvanized inner nut 1 to rust, increase galvanized inner nut 1's life.
The technical characteristics form the embodiment of the invention, have stronger adaptability and implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (2)
1. The utility model provides a transmission line anti-theft device for iron tower, characterized by includes galvanized inner nut, galvanized outer ring, the installation pole, the action bars, the fixed block, first alignment strip and second alignment strip, the middle part outside of galvanized inner nut is equipped with outer annular, galvanized outer ring includes annular block and outer ring piece, the outside of annular block is fixed with the middle part inboard of outer ring piece together, annular block suit is in outer annular inboard, the outside that the annular block is close to outer annular groove is equipped with two at least gyro wheels radially with the outside of outer annular inboard, annular block is in the same place with the roller both sides fixed connection of gyro wheel, outer annular block inboard and galvanized inner nut outside sealing connection together, the outside of outer ring piece radially is equipped with the outside slot of opening two relative slots, the inboard of slot extends to the inboard of annular block, every slot inboard all is equipped with the installation pole in the cover, the inside upside of outer annular groove of corresponding every slot position all radially is equipped with the first arc wall of opening decurrent, the annular block corresponding to the first arc-shaped groove is provided with a second arc-shaped groove with an upward opening, the bottom of the second arc-shaped groove extends to the inner side of the mounting rod corresponding to the position, the first arc-shaped groove and the second arc-shaped groove are sleeved with a fixed block, the inner side of the mounting rod corresponding to the middle position of the second arc-shaped groove is provided with an inner and outer through mounting hole, the mounting hole is sleeved with an operating rod, the inner end of the operating rod is fixedly connected with the outer side of the bottom of the fixed block, the outer side of the operating rod extends to the outer side of the outer ring block, the operating rod can drive the fixed block to rotate in the inner side of the first arc-shaped groove and the second arc-shaped groove when rotating, a first alignment strip is fixed on the outer side of the galvanized inner screw cap corresponding to one slot position, a second alignment strip radially opposite to the first alignment strip is fixed on the outer side of the outer ring block corresponding to the other slot position, a rotating disc is fixed on the outer side of the outer ring block, the rotating disc is of a circular plate-shaped structure and is fixedly connected with the outer end of the operating rod.
2. The antitheft device for the transmission line iron tower according to claim 1, wherein an upper ring groove with an outward opening is arranged on the outer side of the upper part of the galvanized inner screw cap, an upper annular sealing ring is arranged in the upper ring groove, and the inner side of the upper part of the outer ring block is in sealing connection with the outer side of the upper part of the galvanized inner screw cap through the upper annular sealing ring; the outer side of the lower part of the galvanized inner screw cap is provided with a lower annular groove with an outward opening, a lower annular sealing ring is arranged in the lower annular groove, and the inner side of the lower part of the outer annular block is in sealing connection with the outer side of the lower part of the galvanized inner screw cap through the lower annular sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111091458.9A CN113958590B (en) | 2021-09-17 | 2021-09-17 | Antitheft device for transmission line iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111091458.9A CN113958590B (en) | 2021-09-17 | 2021-09-17 | Antitheft device for transmission line iron tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113958590A CN113958590A (en) | 2022-01-21 |
| CN113958590B true CN113958590B (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111091458.9A Active CN113958590B (en) | 2021-09-17 | 2021-09-17 | Antitheft device for transmission line iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113958590B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001099128A (en) * | 1999-09-29 | 2001-04-10 | Murakami:Kk | Nut locking device |
| CN203035716U (en) * | 2012-12-04 | 2013-07-03 | 国家电网公司 | Iron tower anti-theft cap bolt |
| JP2021028525A (en) * | 2019-08-09 | 2021-02-25 | 株式会社浅野製作所 | Antitheft bolt cap |
| CN112555263A (en) * | 2020-12-03 | 2021-03-26 | 浙江超博尔五金股份有限公司 | Anti-loose and anti-theft bolt |
| CN213929093U (en) * | 2020-12-16 | 2021-08-10 | 邯郸市文杰紧固件制造有限公司 | Galvanized bolt convenient to fasten |
| CN214118672U (en) * | 2020-11-25 | 2021-09-03 | 江苏鑫腾源建设集团有限公司 | Power bolt with anti-creeping structure for iron tower |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2620126Y (en) * | 2003-04-03 | 2004-06-09 | 赵保现 | Anti-loosening anti-theft nut |
| JP2008309235A (en) * | 2007-06-14 | 2008-12-25 | Takeda:Kk | Anti-theft bolt cap |
| CN201125926Y (en) * | 2007-10-19 | 2008-10-01 | 南车眉山车辆有限公司 | Gasproof anti-theft nut |
| CN201671945U (en) * | 2010-05-12 | 2010-12-15 | 许昌四达电力设备有限公司 | Outer sleeve locked antitheft nut |
| CN203856861U (en) * | 2014-05-30 | 2014-10-01 | 国网四川省电力公司双流县供电分公司 | Anti-theft bolt |
| CN209705048U (en) * | 2019-02-15 | 2019-11-29 | 常州市超艺标牌有限公司 | A kind of label anti-theft screw |
| CN212155405U (en) * | 2020-03-31 | 2020-12-15 | 浙江哈特惠科技股份有限公司 | High-strength anti-theft fastening nut assembly |
| CN212106563U (en) * | 2020-04-20 | 2020-12-08 | 温州鹏升汽车部件有限公司 | Anti-theft bolt |
-
2021
- 2021-09-17 CN CN202111091458.9A patent/CN113958590B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001099128A (en) * | 1999-09-29 | 2001-04-10 | Murakami:Kk | Nut locking device |
| CN203035716U (en) * | 2012-12-04 | 2013-07-03 | 国家电网公司 | Iron tower anti-theft cap bolt |
| JP2021028525A (en) * | 2019-08-09 | 2021-02-25 | 株式会社浅野製作所 | Antitheft bolt cap |
| CN214118672U (en) * | 2020-11-25 | 2021-09-03 | 江苏鑫腾源建设集团有限公司 | Power bolt with anti-creeping structure for iron tower |
| CN112555263A (en) * | 2020-12-03 | 2021-03-26 | 浙江超博尔五金股份有限公司 | Anti-loose and anti-theft bolt |
| CN213929093U (en) * | 2020-12-16 | 2021-08-10 | 邯郸市文杰紧固件制造有限公司 | Galvanized bolt convenient to fasten |
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| Publication number | Publication date |
|---|---|
| CN113958590A (en) | 2022-01-21 |
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