Electric power line fitting convenient for rapid installation
The power line fitting enables quick and efficient installation of limit pins through a innovative design with a limit assembly and protective sleeves, addressing the laborious installation issue and providing enhanced protection.
Patent Information
- Application Number
- CN202420835577.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-20
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-20
AI Technical Summary
Existing power line fittings require laborious installation due to the need for forceful insertion of limit pins to prevent nuts from loosening, which complicates the installation process.
A power line fitting design featuring a hanging ring body, connecting bolt with a threaded groove, and a limit assembly including a through slot, mounting cavity, connecting block, limit block, and springs, allowing for quick docking and limiting of the limit pin, with protective sleeves for the nut and limit pin.
Facilitates rapid installation of limit pins and shields them from exposure, enhancing installation efficiency and protection.
Smart Images

Figure CN222229126U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power line hardware, in particular to a power line hardware which is convenient for quick installation. Background Art
[0002] Power line hardware refers to metal or alloy products used to support, connect and fix conductors, insulators and other components in power lines. They play a very important role in the power transmission and distribution system and can ensure the safe operation and stable power supply of power lines. Common power line hardware includes various types of joints, tension clamps, wire hanging tools, wire pulling tools, etc. They are usually made of galvanized steel or aluminum alloy and have good corrosion resistance and load-bearing capacity. The selection and installation of power line hardware is crucial to the reliability and safety of the power system.
[0003] When the power line fittings currently on the market are used, in order to prevent the nuts on the power line fittings from loosening and falling off, corresponding limit pins are passed through the outer side of the connecting bolts near the nuts to prevent the nuts from loosening. When the existing limit pins are plugged and installed with the hanging ring body, the staff needs to press the deformable limit plugs with force to install them, which makes the installation very laborious. Therefore, we propose a power line fitting that is easy to install quickly. Utility Model Content
[0004] The purpose of the utility model is to provide a power line hardware that is easy to install quickly, so as to solve the problems raised by the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a power line hardware that is easy to install quickly, including a hanging ring body, a connecting bolt and a nut, a connecting bolt passes through the bottom of the hanging ring body, and a threaded groove is provided on the surface of one end of the connecting bolt, a nut is sleeved and installed on the outer side of one end of the connecting bolt close to the threaded groove, an installation groove is opened inside the connecting bolt, and a limit pin is inserted into the inside of the installation groove.
[0006] Preferably, a limit assembly is arranged inside the connecting bolt, and the limit assembly comprises a through slot, a mounting cavity, a connecting block, a limit block, a limit rod, a first spring, a connecting pin and a pull ring, and the through slot is opened below the limit pin.
[0007] Preferably, a mounting cavity is opened in the middle of one end of the connecting bolt, and a connecting block is arranged inside the mounting cavity, one side of the connecting block is connected to a limiting block, and the limiting block passes through the mounting cavity and docks inside the through groove.
[0008] Preferably, limiting rods connected to the inner wall of the installation cavity are passed through both ends of the connection block, and a first spring is sleeved on the outer side of the limiting rod, and both ends of the first spring are respectively connected to the installation cavity and the connection block.
[0009] Preferably, a connecting pin is inserted into the middle of the installation cavity, one end of the connecting pin is connected to the surface of the connecting block, and the other end of the connecting pin is connected to a pull ring.
[0010] Preferably, a fixing sleeve is provided on the outer side of the hanging ring body close to the nut, and a movable groove is provided on the inner wall of the fixing sleeve, and a plug-in block is docked inside the movable groove.
[0011] Preferably, a movable sleeve is inserted into the inner wall of the fixed sleeve, and the outer wall edge of the movable sleeve is connected to the outer end of the plug-in block, and a guide rod passes through the middle of the plug-in block.
[0012] Preferably, a second spring is sleeved on the outer side of the guide rod, one end of the second spring is connected to the movable groove, and the other end of the second spring is connected to the plug-in block.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the power line hardware that is easy to install quickly can quickly dock and limit the limit pin installed by inserting it through the limit component arranged inside the connecting bolt, which is convenient for quickly limiting the installation of the limit pin on the power line hardware, and the nuts and limit pins exposed to the outside can be shielded and protected by arranging a fixed sleeve and a movable sleeve on the outer side of the hanging ring body to cooperate with each other, so that the power line hardware has a protective structure.
[0014] 1. The power line hardware that is easy to install quickly, after the nut is sleeved on the outside of the connecting bolt and is threadedly connected with the thread groove, the pull ring is pulled outward to the limit position, at which time the limit block is completely inside the installation cavity, and then the limit pin is docked inside the installation groove, and then the pulled pull ring is loosened, so that the limit block and the through groove on the limit pin are plugged and docked, and the limit pin installed by plugging can be quickly docked and limited by the limit component arranged inside the connecting bolt, so as to facilitate the fast limit installation of the limit pin on the power line hardware;
[0015] 2. The power line hardware that is easy to install quickly, when the nut and the limit pin are docked and assembled, the movable sleeve is pressed inward to the limit position so that the movable sleeve and the fixed sleeve overlap each other, and the assembly of the nut and the limit pin is completed. The pressed movable sleeve can be loosened, and the loosened movable sleeve can be automatically reset to the initial position outward by the elastic force of the second spring. By arranging the fixed sleeve and the movable sleeve on the outer side of the hanging ring body to cooperate with each other, the nut and the limit pin exposed outside can be shielded and protected, so that the power line hardware has a protective structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;
[0017] Figure 2 This is a left-side structural schematic diagram of the utility model;
[0018] Figure 3 This is a schematic diagram of the front cutaway structure of the connecting pin of the utility model;
[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the fixing sleeve of the utility model;
[0020] Figure 5 This is a schematic diagram of the main cutaway structure of the fixing sleeve of the utility model.
[0021] In the figure: 1. hanging ring body; 2. connecting bolt; 3. threaded groove; 4. nut; 5. mounting groove; 6. limit pin; 7. limit assembly; 701. through groove; 702. mounting cavity; 703. connecting block; 704. limit block; 705. limit rod; 706. first spring; 707. connecting pin; 708. pull ring; 8. fixing sleeve; 9. movable groove; 10. plug-in block; 11. movable sleeve; 12. guide rod; 13. second spring. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a technical solution: a power line hardware that is easy to install quickly, including a hanging ring body 1, a connecting bolt 2 and a nut 4, the connecting bolt 2 is penetrated from the bottom of the hanging ring body 1, and a thread groove 3 is arranged on the surface of one end of the connecting bolt 2, a nut 4 is sleeved and installed on the outer side of one end of the connecting bolt 2 close to the thread groove 3, an installation groove 5 is opened inside the connecting bolt 2, and a limit pin 6 is inserted inside the installation groove 5.
[0024] A limit assembly 7 is arranged inside the connecting bolt 2, and the limit assembly 7 includes a through slot 701, a mounting cavity 702, a connecting block 703, a limit block 704, a limit rod 705, a first spring 706, a connecting pin 707 and a pull ring 708. The through slot 701 is arranged below the limit pin 6; a mounting cavity 702 is arranged in the middle of one end of the connecting bolt 2, and a connecting block 703 is arranged inside the mounting cavity 702, one side of the connecting block 703 is connected to the limit block 704, and the limit block 704 passes through the mounting cavity 702 and is docked inside the through slot 701; both ends of the connecting block 703 pass through A limiting rod 705 connected to the inner wall of the installation cavity 702 is passed through, and a first spring 706 is sleeved on the outer side of the limiting rod 705, and the two ends of the first spring 706 are respectively connected to the installation cavity 702 and the connecting block 703; a connecting pin 707 is inserted into the middle of the installation cavity 702, one end of the connecting pin 707 is connected to the surface of the connecting block 703, and the other end of the connecting pin 707 is connected to a pull ring 708, and the limiting rod 705 is symmetrically distributed about the center line of the connecting block 703, so the connecting block 703 forms a telescopic structure through the first spring 706 and the installation cavity 702.
[0025] When the nut 4 is sleeved on the outside of the connecting bolt 2 and is threadedly connected to the thread groove 3, the pull ring 708 is pulled outward, and the pulled pull ring 708 drives the connected connecting block 703 and the limit block 704 to move synchronously toward the inside of the installation cavity 702, and the moving connecting block 703 moves along the limit rod 705 while squeezing the first spring 706 sleeved on the outside of the limit rod 705 until the pull ring 708 is pulled to the limit position. At this time, the limit block 704 is completely inside the installation cavity 702, and then the limit The positioning pin 6 is docked inside the installation groove 5 on the connecting bolt 2, and then the pulled pull ring 708 is loosened. The loosened pull ring 708 can be automatically reset inward by the elastic force of the first spring 706 until the limit block 704 is plugged and docked with the through groove 701 on the limit pin 6, so that the limit pin 6 can be limited. The limit component 7 set inside the connecting bolt 2 can quickly dock and limit the installed limit pin 6, thereby facilitating the rapid limit installation of the limit pin 6 on the power line hardware.
[0026] See also Figure 1 , Figure 2 , Figure 4 and Figure 5A fixing sleeve 8 is provided on the outer side of the hanging ring body 1 near the nut 4, and a movable groove 9 is opened on the inner wall of the fixing sleeve 8, and a plug-in block 10 is docked inside the movable groove 9; a movable sleeve 11 is inserted into the inner wall of the fixing sleeve 8, and the outer wall edge of the movable sleeve 11 is connected to the outer end of the plug-in block 10, and a guide rod 12 runs through the middle of the plug-in block 10; a second spring 13 is sleeved on the outer side of the guide rod 12, one end of the second spring 13 is connected to the movable groove 9, and the other end of the second spring 13 is connected to the plug-in block 10, the movable grooves 9 are distributed at equal angles, and the plug-in block 10 forms a telescopic structure with the second spring 13 and the movable groove 9.
[0027] During specific implementation, the movable sleeve 11 and the fixed sleeve 8 are misaligned in the initial state. When the nut 4 and the limit pin 6 are docked and assembled, the movable sleeve 11 is pressed inwardly, and the pressed movable sleeve 11 drives the connected plug-in block 10 to move along the guide rod 12 inside the movable groove 9, and the moving plug-in block 10 squeezes the second spring 13 sleeved on the outside of the guide rod 12 until the movable sleeve 11 is pushed to the limit position. At this time, the movable sleeve 11 and the fixed sleeve 8 overlap, and the assembly of the nut 4 and the limit pin 6 is completed, and the pressed movable sleeve 11 can be loosened. The loosened movable sleeve 11 can automatically reset to the initial position outward by the elastic force of the second spring 13. At this time, the movable sleeve 11 is correspondingly sleeved on the outside of the nut 4 and the limit pin 6. By arranging the fixed sleeve 8 and the movable sleeve 11 on the outside of the hanging ring body 1 to cooperate with each other, the nut 4 and the limit pin 6 exposed to the outside can be shielded and protected, so that the power line hardware has a protective structure.
[0028] To sum up, when using the power line hardware that is easy to install quickly, the hanging ring body 1 is correspondingly sleeved on the connection end of the power line, and then the connecting bolt 2 is passed through the bottom of the hanging ring body 1, and a nut 4 is sleeved on one end of the connecting bolt 2 and the nut 4 is screwed, so that the nut 4 is screwed through the thread groove 3 and the connecting bolt 2, and finally the limit pin 6 is docked and inserted into the inside of the installation groove 5 opened on the connecting bolt 2, and the outer side of the nut 4 is auxiliary limited by the limit pin 6 to prevent the nut 4 from loosening. The contents not described in detail in this description belong to the existing technology known to professional and technical personnel in this field.
[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A power line hardware that is easy to install quickly, comprising a hanging ring body (1), a connecting bolt (2) and a nut (4), characterized in that: A connecting bolt (2) passes through the lower part of the hanging ring body (1), and a thread groove (3) is arranged on one end surface of the connecting bolt (2). A nut (4) is sleeved and installed on the outer side of one end of the connecting bolt (2) close to the thread groove (3). An installation groove (5) is provided inside the connecting bolt (2), and a limit pin (6) is inserted into the inside of the installation groove (5).
2. The power line fitting that is easy to install quickly according to claim 1, characterized in that: A limit assembly (7) is arranged inside the connecting bolt (2), and the limit assembly (7) comprises a through slot (701), a mounting cavity (702), a connecting block (703), a limit block (704), a limit rod (705), a first spring (706), a connecting pin (707) and a pull ring (708), and the through slot (701) is opened below the limit pin (6).
3. The power line fitting that is easy to install quickly according to claim 2, characterized in that: A mounting cavity (702) is provided in the middle of one end of the connecting bolt (2), and a connecting block (703) is provided inside the mounting cavity (702). One side of the connecting block (703) is connected to a limiting block (704), and the limiting block (704) passes through the mounting cavity (702) and docks inside the through groove (701).
4. The power line fitting that is easy to install quickly according to claim 3 is characterized in that: Limit rods (705) connected to the inner wall of the installation cavity (702) are passed through both ends of the connection block (703), and a first spring (706) is sleeved on the outer side of the limit rod (705), and both ends of the first spring (706) are respectively connected to the installation cavity (702) and the connection block (703).
5. The power line fitting that is easy to install quickly according to claim 4, characterized in that: A connecting pin (707) is inserted in the middle of the installation cavity (702), one end of the connecting pin (707) is connected to the surface of the connecting block (703), and the other end of the connecting pin (707) is connected to a pull ring (708).
6. The power line fitting that is easy to install quickly according to claim 1, characterized in that: A fixing sleeve (8) is arranged on the outer side of the hanging ring body (1) close to the nut (4), and a movable groove (9) is provided on the inner wall of the fixing sleeve (8), and a plug-in block (10) is connected to the inside of the movable groove (9).
7. The power line fitting that is easy to install quickly according to claim 6, characterized in that: A movable sleeve (11) is inserted into the inner wall of the fixed sleeve (8), and the outer wall edge of the movable sleeve (11) is connected to the outer end of the plug-in block (10). A guide rod (12) penetrates the middle of the plug-in block (10).
8. The power line hardware that is easy to install quickly according to claim 7, characterized in that: A second spring (13) is sleeved on the outer side of the guide rod (12), one end of the second spring (13) is connected to the movable groove (9), and the other end of the second spring (13) is connected to the plug-in block (10).
