CN217198547U - Quick-release safety buckle with safety structure - Google Patents
Quick-release safety buckle with safety structure Download PDFInfo
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- CN217198547U CN217198547U CN202221213632.2U CN202221213632U CN217198547U CN 217198547 U CN217198547 U CN 217198547U CN 202221213632 U CN202221213632 U CN 202221213632U CN 217198547 U CN217198547 U CN 217198547U
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Abstract
The utility model discloses a take quick detach safety buckle of insurance structure belongs to and drags the body field under water. A quick-release safety buckle with a safety structure comprises a main safety buckle, an auxiliary safety buckle, a connecting buckle, a limiting part and a safety part; the main safety buckle is arranged in a U shape, the two ends of the U shape of the main safety buckle are folded inwards, the connecting buckle is arranged in a T shape, one side, far away from the horizontal end of the T shape, of the connecting buckle is fixedly connected with the auxiliary safety buckle, the U shape of the main safety buckle is folded inwards, the end of the U shape of the main safety buckle is connected with the horizontal end of the T shape of the connecting buckle in a matched mode, a binding space is arranged on the auxiliary safety buckle, the main safety buckle and the auxiliary safety buckle are limited to move through the limiting portion, and when an object is dragged, the object gives acting force, far away from the main safety buckle, to the auxiliary safety buckle, so that the auxiliary safety buckle is kept stable all the time in use.
Description
Technical Field
The utility model relates to a drag the body field under water, specifically be a take quick detach safety buckle of insurance structure.
Background
The underwater towed body (including a linear array, an underwater unmanned vehicle and the like) usually needs to be disconnected with a safety rope or a traction rope in the retracting and releasing process, the disconnecting and connecting action is generally finished manually, a device with small volume, convenience in disconnecting and connecting and high safety coefficient is generally used as a hanging structural part, and meanwhile, the structural part needs to have corrosion resistance due to being used in seawater.
In the past, a nut safety buckle or a spring safety buckle is generally used as a mounting structural member, but the safety buckle of the type is subjected to unilateral stress in a tension state, and is easy to generate plastic deformation under the condition that the applied tension exceeds the yield strength of a material, so that the thread and the spring buckle are locked and difficult to disassemble, the requirement of safe use can be met by using a larger material size, and the inconvenience in use is caused by the overlarge volume and weight.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take insurance structure's quick detach safety knot to the nut safety knot or the spring safety knot of general use that provide in solving above-mentioned background art all are unilateral atress under the pulling force state, produce plastic deformation easily under the condition that the pulling force that receives surpassed material yield strength, can lead to the screw thread, the spring catch is locked and is made a death and be difficult to unpack apart, often need bigger material size could satisfy the safe handling requirement, too big volume and weight then can cause the inconvenient problem of use.
In order to achieve the above object, the utility model provides a following technical scheme: a quick-release safety buckle with a safety structure comprises a main safety buckle, an auxiliary safety buckle, a connecting buckle, a limiting part and a safety part; the main safety buckle is arranged in a U shape, two ends of the U shape of the main safety buckle are folded inwards, the connecting buckle is arranged in a T shape, one side of the connecting buckle, which is far away from the horizontal end of the T shape, is fixedly connected with the auxiliary safety buckle, the inward folded end of the U shape of the main safety buckle is matched and connected with the horizontal end of the T shape of the connecting buckle, and a binding space is arranged on the auxiliary safety buckle; the limiting part is arranged on the U-shaped inward furling end of the main safety buckle and the T-shaped horizontal end of the connecting buckle and is used for limiting the relative rotation of the main safety buckle and the connecting buckle after matched connection; the insurance portion sets up between main safety knot and connector link, and the mode restriction main safety knot and the connector link of insurance portion through elasticity butt or rigid butt are close to each other.
Preferably, the limiting part comprises a rectangular groove and a limiting key, the rectangular groove is arranged at the inward furling end of the U-shaped main safety buckle, the rectangular groove extends along the direction of the U-shaped opening of the main safety buckle, the limiting key is fixed at the T-shaped vertical end of the connecting buckle, and the rectangular groove is connected with the limiting key in a sliding fit manner.
Preferably, mode restriction main safety of insurance portion through the elasticity butt is detained and the connector link is close to each other, the U-shaped opening side of main safety knot is provided with a pair of spacing circular slot, a pair of spacing circular slot is located the both ends of main safety knot respectively, spacing circular slot opening orientation is the same with the U-shaped opening orientation of main safety knot, elasticity that provides after deformation through insurance portion makes main safety knot and vice safety knot can't be easy be close to each other, thereby make the spacing key be connected with the rectangular channel cooperation all the time, thereby improve main safety knot and vice safety knot and detain the stability after the cooperation.
Preferably, the insurance portion includes screw and elasticity plectrum, and in the one end of elasticity plectrum inserted vice safety and detained, the screw inserts the one end and vice safety buckle fixed connection in vice safety buckle with the elasticity plectrum, and the one end that vice safety buckle was kept away from to the elasticity plectrum can insert in the spacing circular slot and detain the butt with main safety, and main safety buckle is detained the motion of spacing circular slot restriction elasticity plectrum behind the cooperation with the connector link.
Preferably, the insurance portion includes polyurethane elasticity post, and the one end of polyurethane elasticity post is inserted in spacing circular recess and is detained the butt with main safety, and the other end and the vice safety of polyurethane elasticity post are detained the butt, and main safety is detained and is detained the motion of spacing circular recess restriction polyurethane elasticity post behind the cooperation of connector link, utilizes the elastic action of polyurethane elasticity post, detains to main safety and detain with vice safety and apply opposite effort, improves its stability.
Preferably, insurance portion includes the spring, and the one end of spring is inserted in spacing circular recess and is detained the butt with main safety, and the other end and the vice safety of spring are detained the butt, and main safety is detained and is detained the motion of spacing circular recess restriction spring behind the cooperation of connector link, uses the spring to replace polyurethane elastic column also can play the insurance effect, has satisfied the replaceability of insurance spare.
Preferably, the mode restriction main safety of insurance portion through rigid butt is detained and the connector link is close to each other, and through the mode of hard connection, messenger insurance portion makes main safety to detain and vice safety to detain through self rigidity and can't be close to each other to reach the purpose that spacing key and rectangular channel often cooperate and be connected, make main safety to detain simultaneously and vice safety to detain often the cooperation.
Preferably, the safety part comprises a bolt and a pin hole; the pinhole sets up the vertical end of T shape at the connector link, and the extending direction of pinhole is the same with the horizontal end extending direction of T shape of connector link, and in the bolt disect insertion pinhole, the lateral surface of bolt detained with main safety respectively and detained direct butt with vice safety, and the main safety of bolt restriction is detained and is detained with vice safety and be close to each other.
Preferably, the radial cross section of the bolt and the pin hole is circular, and one end of the bolt, which is far away from the pin hole, is provided with a pull ring.
Preferably, the joint of the binding space and the auxiliary safety buckle plane is a fillet trimming setting, and the edges of the main safety buckle and the auxiliary safety buckle surface are both fillet trimming settings.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through setting up spacing portion, the motion between main safe knot and the vice safe knot is detained in the restriction, because when dragging the object, the object gives vice safe knot and keeps away from main safe acting force of detaining, makes its in use remain stable all the time.
2. Install insurance portion additional on the basis of spacing portion, through elastic connection and rigid connection's mode, make main safety detain when not using with vice safety knot, detain to main safety through the structure of insurance portion and detain with vice safety and apply wanting reaction force all the time to further guarantee its in use and the stability when not using.
3. Main safety knot, vice safety knot and insurance portion are for dismantling the setting to make whole safety knot structure dismantle fast and install, improved the convenient degree when using.
Drawings
FIG. 1 is a schematic structural view of the present invention using the elastic shifting piece;
FIG. 2 is a schematic structural view of the polyurethane elastic column of the present invention;
FIG. 3 is a schematic structural view of the spring of the present invention;
fig. 4 is a schematic structural view of the plug of the present invention.
In the figure: a main safety buckle 10; a secondary safety buckle 11; a connecting buckle 12; a rectangular groove 13; a limit key 14; a binding space 15; an elastic pick 20; a screw 21; a polyurethane elastic column 30; a limit circular groove 31; a spring 40; a latch 50; a pin hole 51.
Detailed Description
Please refer to fig. 1-4, the present invention provides a technical solution: a quick-release safety buckle with a safety structure comprises a main safety buckle 10, an auxiliary safety buckle 11, a connecting buckle 12, a limiting part and a safety part; the main safety buckle 10 is arranged in a U shape, two ends of the U shape of the main safety buckle 10 are folded inwards, the connecting buckle 12 is arranged in a T shape, one side, far away from the horizontal end of the T shape, of the connecting buckle 12 is fixedly connected with the auxiliary safety buckle 11, the U-shaped folded inwards end of the main safety buckle 10 is connected with the horizontal end of the T shape of the connecting buckle 12 in a matched mode, a binding space 15 is arranged on the auxiliary safety buckle 11, the joint of the binding space 15 and the plane of the auxiliary safety buckle 11 is a fillet trimming edge, a traction rope can be bound and fixed by the binding space 15 and the U-shaped curve end of the main safety buckle 10, and edges on the surfaces of the main safety buckle 10 and the auxiliary safety buckle 11 are both fillet trimming edges; the limiting part is arranged at the U-shaped inward furling end of the main safety buckle 10 and the T-shaped horizontal end of the connecting buckle 12, the limiting part comprises a rectangular groove 13 and a limiting key 14, the rectangular groove 13 is arranged at the U-shaped inward furling end of the main safety buckle 10, the rectangular groove 13 extends along the U-shaped opening direction of the main safety buckle 10, the limiting key 14 is fixed at the T-shaped vertical end of the connecting buckle 12, the rectangular groove 13 is connected with the limiting key 14 in a sliding fit manner, when the stopper key 14 is inserted into the rectangular groove 13, the rectangular groove 13 restricts all degrees of freedom of the stopper key 14 except for sliding in the direction in which the rectangular groove 13 extends, and at this time, the connecting buckle 12 and the main safety buckle 10 can only move along the extending direction of the rectangular groove 13, when the main safety buckle 10 and the connecting buckle 12 are tightly matched, the horizontal end of the connecting buckle 12 is tightly abutted with one side of the U-shaped inward folding end of the main safety buckle 10, which is far away from the auxiliary safety buckle 11, so that the main safety buckle 10 and the connecting buckle 12 cannot be continuously far away from each other; the safety part is arranged between the main safety buckle 10 and the connecting buckle 12, and the safety part limits the main safety buckle 10 and the connecting buckle 12 to be close to each other in an elastic abutting or rigid abutting mode; the U-shaped opening side of the main safety buckle 10 is provided with a pair of limiting circular grooves 31, the limiting circular grooves 31 are respectively positioned at two ends of the main safety buckle 10, and the opening direction of the limiting circular grooves 31 is the same as that of the U-shaped opening of the main safety buckle 10.
Example 1
Preferably, the safety part limits the main safety buckle 10 and the connecting buckle 12 to approach each other in an elastic abutting mode; the safety part comprises a screw 21 and an elastic shifting piece 20, one end of the elastic shifting piece 20 is inserted into the auxiliary safety buckle 11, the screw 21 inserts the elastic shifting piece 20 into one end of the auxiliary safety buckle 11 and is fixedly connected with the auxiliary safety buckle 11, one end, far away from the auxiliary safety buckle 11, of the elastic shifting piece 20 can be inserted into the limit circular groove 31 and is abutted against the main safety buckle 10, and the limit circular groove 31 limits the movement of the elastic shifting piece 20 after the main safety buckle 10 is matched with the connecting buckle 12. The screw 21 connects the elastic shifting piece 20 with the auxiliary safety buckle 11, at this time, after the main safety buckle 10 and the connecting buckle 12 are matched, the limit key 14 is inserted into the rectangular groove 13, the main safety buckle 10 and the auxiliary safety buckle 11 firstly approach each other, at this time, the elastic shifting piece 20 is pressed to bend one end of the elastic shifting piece 20 far away from the auxiliary safety buckle 11 to abut against the inside of the limit circular groove 31, so as to provide the acting force for the main safety buckle 10 and the auxiliary safety buckle 11 to keep away from each other, because the horizontal end of the connecting buckle 12 abuts against one side of the U-shaped inward folding end of the main safety buckle 10 far away from the auxiliary safety buckle 11, at this time, the mutual away of the connecting buckle 12 and the main safety buckle 10 should be limited, after the elastic shifting piece 20 deforms, the opposite acting force is provided for the auxiliary safety buckle 11 and the main safety buckle 10, and the main safety buckle 10 and the connecting buckle 12 cannot further move away from each other due to the abutting, so that the elastic shifting piece 20 is constantly in a deformation state, acting force in the opposite direction is always applied between the main safety buckle 10 and the auxiliary safety buckle 11, so that the normal matching state of the limit key 14 and the rectangular groove 13 is ensured, and the stability of the main safety buckle 10 and the auxiliary safety buckle 11 in use is ensured.
Example 2
Preferably, the safety part limits the main safety buckle 10 and the connecting buckle 12 to approach each other in an elastic abutting mode; the safety part comprises a polyurethane elastic column 30, one end of the polyurethane elastic column 30 is inserted into a limit circular groove 31 to be abutted against the main safety buckle 10, the other end of the polyurethane elastic column 30 is abutted against the auxiliary safety buckle 11, the limit circular groove 31 limits the movement of the polyurethane elastic column 30 after the main safety buckle 10 is matched with the connecting buckle 12, the uncompressed length of the polyurethane elastic column 30 is larger than the length between the main safety buckle 10 and the auxiliary safety buckle 11 after the main safety buckle 10 is tightly matched with the connecting buckle 12, because the polyurethane elastic column 30 has elasticity, after the main safety buckle 10 is matched and connected with the connecting buckle 12, the relation between the main safety buckle 10 and the connecting buckle 12 can be known, at the moment, the polyurethane elastic column 30 is still in a compressed state, two ends of the polyurethane elastic column 30 respectively provide opposite acting forces for the auxiliary safety buckle 11 and the main safety buckle 10, thereby ensuring the normal matching state of the limit key 14 and the rectangular groove 13, thereby ensuring the stability of the main safety buckle 10 and the auxiliary safety buckle 11 in use.
Example 3
Preferably, the safety part limits the main safety buckle 10 and the connecting buckle 12 to approach each other in an elastic abutting mode; the safety part comprises a spring 40, one end of the spring 40 is inserted into the limit circular groove 31 and abutted against the main safety buckle 10, the other end of the spring 40 is abutted against the auxiliary safety buckle 11, the limit circular groove 31 limits the movement of the spring 40 after the main safety buckle 10 is matched with the connecting buckle 12, the polyurethane elastic column 30 is replaced by the spring 40, the normal length of the spring 40 is also larger than the length between the main safety buckle 10 and the auxiliary safety buckle 11 after the main safety buckle 10 is tightly matched with the connecting buckle 12, the setting mode is the same as that in the embodiment 2, the elastic force after the spring 40 is compressed provides opposite acting force for the main safety buckle 10 and the auxiliary safety buckle 11, the normal matching state of the limit key 14 and the rectangular groove 13 is ensured, and the stability of the main safety buckle 10 and the auxiliary safety buckle 11 during use is ensured.
Example 4
Preferably, the safety part limits the main safety buckle 10 and the connecting buckle 12 from approaching each other by means of hard contact; the safety part comprises a bolt 50 and a pin hole 51; the pin hole 51 is arranged at the T-shaped vertical end of the connecting buckle 12, the extending direction of the pin hole 51 is the same as that of the T-shaped horizontal end of the connecting buckle 12, the bolt 50 is directly inserted into the pin hole 51, the outer side surface of the bolt 50 is respectively and directly abutted against the main safety buckle 10 and the auxiliary safety buckle 11, and the bolt 50 limits the main safety buckle 10 and the auxiliary safety buckle 11 to be close to each other; the radial cross sections of the bolt 50 and the pin hole 51 are circular, a pull ring is arranged at one end of the bolt 50, which is far away from the pin hole 51, after the main safety buckle 10 and the connecting buckle 12 are tightly matched in the mode, the pin hole 51 is just positioned between the main safety buckle 10 and the auxiliary safety buckle 11, the bolt 50 is inserted into the pin hole 51, the diameter of the bolt 50 is just equal to or slightly smaller than the distance between the main safety buckle 10 and the auxiliary safety buckle 11, because the bolt 50 is made of hard materials, when the main safety buckle 10 and the auxiliary safety buckle 11 are close to each other, the bolt 50 is respectively abutted against the bolt 50, at the moment, the bolt 50 cannot be further close to each other, the normal matching state of the limit key 14 and the rectangular groove 13 is ensured, and the stability of the main safety buckle 10 and the auxiliary safety buckle 11 in use is ensured; the pull ring can be used when the safety buckle is disassembled, and the bolt 50 is pulled out of the pin hole 51 manually through the pull ring.
During installation: binding a corresponding traction rope in a U-shaped bent end and a binding space 15 of a main safety buckle 10, then placing a T-shaped horizontal end of a connecting buckle 12 into an inner space of the main safety buckle 10, mutually vertical the main safety buckle 10 and the connecting buckle 12 when placing the traction rope into the inner space, enabling the connecting buckle 12 to be more easily placed into the main safety buckle 10, rotating the connecting buckle 12 after the connecting buckle 12 enters the main safety buckle 10 to enable a limit key 14 to be aligned with a rectangular groove 13, then pulling an auxiliary safety buckle 11 to move the main safety buckle 10 and the connecting buckle 12 in a direction away from each other, thereby enabling the rectangular groove 13 to be matched with the limit key 14, enabling the connecting buckle 12 to be matched with the main safety buckle 10, and then installing parts of a safety part, wherein one end of an elastic shifting piece 20 away from the auxiliary safety buckle 11 is pressed into a limit circular groove 31 when in use, the polyurethane elastic column 30 and the spring 40 are pressed into the limit circular groove 31 by utilizing an elastic compressible characteristic for limiting when in use, when the rigid contact is made, the plug 50 is directly inserted into the pin hole 51.
The disassembly process is opposite to the installation process, the safety part is taken out firstly, then the main safety buckle 10 and the connecting buckle 12 are close to each other, the limit key 14 is separated from the rectangular groove 13, and then the main safety buckle 10 and the connecting buckle 12 are separated.
Claims (10)
1. The utility model provides a take quick detach safety buckle of insurance structure which characterized in that: comprises a main safety buckle (10), an auxiliary safety buckle (11), a connecting buckle (12), a limiting part and a safety part;
the main safety buckle (10) is arranged in a U shape, the two ends of the U shape of the main safety buckle (10) are folded inwards, the connecting buckle (12) is arranged in a T shape, one side, far away from the horizontal end of the T shape, of the connecting buckle (12) is fixedly connected with the auxiliary safety buckle (11), the inward folded end of the U shape of the main safety buckle (10) is matched and connected with the horizontal end of the T shape of the connecting buckle (12), and the auxiliary safety buckle (11) is provided with a binding space (15);
the limiting part is arranged at the U-shaped inward folding end of the main safety buckle (10) and the T-shaped horizontal end of the connecting buckle (12), and is used for limiting the relative rotation of the main safety buckle (10) and the connecting buckle (12) after matched connection;
the safety part is arranged between the main safety buckle (10) and the connecting buckle (12), and the safety part limits the main safety buckle (10) and the connecting buckle (12) to be close to each other in an elastic abutting or rigid abutting mode.
2. The quick-release safety buckle with safety structure as claimed in claim 1, wherein: the limiting part comprises a rectangular groove (13) and a limiting key (14), the rectangular groove (13) is arranged at the inward furling end of the U-shaped of the main safety buckle (10), the rectangular groove (13) extends along the direction of the U-shaped opening of the main safety buckle (10), the limiting key (14) is fixed at the T-shaped vertical end of the connecting buckle (12), and the rectangular groove (13) is connected with the limiting key (14) in a sliding fit manner.
3. The quick release safety buckle with a safety structure according to claim 1, characterized in that: the safety portion limits the main safety buckle (10) and the connecting buckle (12) to be close to each other in an elastic abutting mode, a pair of limiting circular grooves (31) are arranged on the U-shaped opening side of the main safety buckle (10), the limiting circular grooves (31) are located at the two ends of the main safety buckle (10) respectively, and the opening direction of the limiting circular grooves (31) is the same as that of the U-shaped opening of the main safety buckle (10).
4. The quick release safety buckle with a safety structure according to claim 3, characterized in that: the safety part comprises a screw (21) and an elastic shifting piece (20), one end of the elastic shifting piece (20) is inserted into the auxiliary safety buckle (11), one end of the elastic shifting piece (20) inserted into the auxiliary safety buckle (11) is fixedly connected with the auxiliary safety buckle (11) by the screw (21), one end of the elastic shifting piece (20) far away from the auxiliary safety buckle (11) can be inserted into the limit circular groove (31) to be abutted against the main safety buckle (10), and the main safety buckle (10) is matched with the connecting buckle (12) and then the limit circular groove (31) limits the movement of the elastic shifting piece (20).
5. The quick-release safety buckle with the safety structure as claimed in claim 3, wherein: the safety part comprises a polyurethane elastic column (30), one end of the polyurethane elastic column (30) is inserted into a limiting circular groove (31) and abutted against a main safety buckle (10), the other end of the polyurethane elastic column (30) is abutted against an auxiliary safety buckle (11), and the main safety buckle (10) is matched with a connecting buckle (12) and then the limiting circular groove (31) limits the movement of the polyurethane elastic column (30).
6. The quick release safety buckle with a safety structure according to claim 3, characterized in that: the safety part comprises a spring (40), one end of the spring (40) is inserted into the limiting circular groove (31) and abutted against the main safety buckle (10), the other end of the spring (40) is abutted against the auxiliary safety buckle (11), and the main safety buckle (10) is matched with the connecting buckle (12) and then the limiting circular groove (31) limits the movement of the spring (40).
7. The quick release safety buckle with a safety structure according to claim 1, characterized in that: the safety part limits the main safety buckle (10) and the connecting buckle (12) to approach each other in a hard abutting mode.
8. The quick release safety buckle with a safety structure according to claim 7, characterized in that: the safety part comprises a bolt (50) and a pin hole (51);
pinhole (51) set up the vertical end of T shape at connector link (12), and the extending direction of pinhole (51) is the same with the horizontal end extending direction of T shape of connector link (12), and in bolt (50) disect insertion pinhole (51), the lateral surface of bolt (50) is detained (10) and vice safety and is detained (11) direct butt with main safety respectively, and bolt (50) restriction main safety is detained (10) and is detained (11) and be close to each other with vice safety.
9. The quick release safety buckle with a safety structure according to claim 8, characterized in that: the radial sections of the bolt (50) and the pin hole (51) are circular, and one end of the bolt (50) far away from the pin hole (51) is provided with a pull ring.
10. The quick release safety buckle with a safety structure according to claim 1, characterized in that: the joint of the binding space (15) and the plane of the auxiliary safety buckle (11) is a fillet trimming setting, and the edges of the surfaces of the main safety buckle (10) and the auxiliary safety buckle (11) are both fillet trimming settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221213632.2U CN217198547U (en) | 2022-05-20 | 2022-05-20 | Quick-release safety buckle with safety structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221213632.2U CN217198547U (en) | 2022-05-20 | 2022-05-20 | Quick-release safety buckle with safety structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217198547U true CN217198547U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221213632.2U Active CN217198547U (en) | 2022-05-20 | 2022-05-20 | Quick-release safety buckle with safety structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN217198547U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117141642A (en) * | 2023-10-30 | 2023-12-01 | 烟台优泰渔业装备有限公司 | Small-size fishing boat berths mooring device |
| CN117690254A (en) * | 2023-06-18 | 2024-03-12 | 沈素兰 | Electric power safety protection method |
-
2022
- 2022-05-20 CN CN202221213632.2U patent/CN217198547U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117690254A (en) * | 2023-06-18 | 2024-03-12 | 沈素兰 | Electric power safety protection method |
| CN117141642A (en) * | 2023-10-30 | 2023-12-01 | 烟台优泰渔业装备有限公司 | Small-size fishing boat berths mooring device |
| CN117141642B (en) * | 2023-10-30 | 2023-12-29 | 烟台优泰渔业装备有限公司 | Small-size fishing boat berths mooring device |
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