Overhead line connection fitting

Abstract

The utility model discloses an overhead line connecting fitting, which comprises a body and a bolt, two sides of the body are provided with connecting parts, the connecting parts are provided with through holes for the bolt to pass through, one of the connecting parts is uniformly provided with a plurality of fixing grooves by taking the through hole as an axis, and the fixing grooves are provided with a plurality of through holes for the bolt to pass through. Inclined faces are arranged on the two sides of the fixing groove, a screw of the bolt is in threaded connection with a nut and abuts against the end face of the connecting part with the fixing groove, the nut is provided with a telescopic fixing block corresponding to the fixing groove, and springs are arranged on the two sides of the fixing block and abut against the nut so that the fixing block can abut against the fixing groove. The fixing block is tightly pressed in the fixing groove through the spring, the fixing groove prevents the fixing block from moving left and right, it is ensured that the nut is not affected by external force and generates reverse rotation, meanwhile, the spring enables the nut and threads of the threaded rod to abut against each other tightly, friction force between the nut and the threaded rod is increased, and the product has the advantages of being easy and convenient to operate, reducing learning cost and preventing loosening.

Description

TECHNICAL FIELD

[0001] The utility model relates to power fittings technical field especially relates to an overhead line connection fitting. BACKGROUND

[0002] The U-shaped hanging ring is a U-shaped fitting combined by the hanging ring and the hanging plate connector at two ends for use on the power supply line, which is safe, convenient to use and durable.

[0003] According to the "anti-drop assembly of power transmission line fitting" of authorized announcement number CN220570289U, a kind of anti-drop assembly of power transmission line fitting, including fitting body and anti-drop structure, anti-drop structure includes fixed column and insertion slot, insertion slot is opened in the top side one end of fitting body, fixed column is movably installed in the inner wall of insertion slot, the end of fixed column penetrating insertion slot is fixed with connecting rod, the outer wall of connecting rod is threadedly connected with connecting cap, the side wall of connecting cap is attached with the top side other end of fitting body, the top side of connecting cap is equipped with containing portion, the inner wall of containing portion is elastically provided with positioning frame, positioning frame is L-shaped structure, the end of positioning frame away from containing portion is fixed with positioning column, the outer wall of connecting rod is equipped with the positioning hole for the insertion of positioning column. Through the cooperation of the above-mentioned devices, the anti-drop effect of the fitting body can be achieved, the fixing of the fitting body is more stable, to avoid the loosening of the fitting body after vibration, so that the fixing effect of the fitting body is better.

[0004] Although the above design scheme solves the problem of avoiding loosening of the metal body after vibration, it has the problems of too many installation steps, complex operation, the need for trained staff to learn specific use methods and high difficulty in getting started. Therefore, the applicant has made beneficial design and found a method to solve the above problems. The technical solution to be introduced below is generated in this background. SUMMARY

[0005] The utility model discloses a product that is simple to operate, reduces learning cost and prevents loosening, to overcome the deficiencies in the prior art.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] An overhead line connecting hardware, comprising a body, bolts, both sides of the body are provided with connecting parts, the connecting parts are provided with through holes for the bolts to pass through, one of the connecting parts is uniformly provided with a plurality of fixing grooves with the through hole as the axis, both sides of the fixing groove are provided with inclined surfaces, the screw rod of the bolt is threadedly connected with a nut, and abuts against the end face of the connecting part with the fixing groove, the nut is provided with an extensible fixing block corresponding to the fixing groove, both sides of the fixing block are provided with springs and abut against the nut, so that the fixing block abuts against the fixing groove.

[0008] Preferably, one end of the nut is provided with a recess, four corners of the recess are provided with threaded holes, the recess is provided with a sealing plate, four corners of the sealing plate are provided with fastening screws and are threadedly connected to the threaded holes.

[0009] Preferably, the recess is provided with a channel for the fixing block to pass through, both sides of the channel are provided with limiting grooves.

[0010] Preferably, both sides of the fixing block are provided with limiting parts and are slidingly arranged in the limiting grooves, the limiting parts are provided with recesses for accommodating the springs, the springs abut against the sealing plate, so that the limiting parts are tightly abutted against the limiting grooves.

[0011] Preferably, the position where the fixing block contacts with the inclined surface is provided with an abutting part with an arc shape, the fixing block is provided with an indicating rod and passes through the sealing plate.

[0012] Preferably, the number of the fixing grooves is at least four.

[0013] Beneficial effects:

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] (1) The utility model discloses a spring releases elastic force to the fixing block, so that the fixing block is tightly pressed in the fixing groove, the fixing groove prevents the fixing block from moving left and right, thereby ensuring that the nut is not affected by external force and generates reverse rotation, simultaneously, the spring makes the threads of the nut and the screw rod tightly abut against each other, increases the friction force of the two, and the product has the advantages of anti-loosening.

[0016] (2) The utility model discloses a connecting mode of the nut and the screw rod belongs to common knowledge, and the staff only needs to ensure whether the indicating rod is flush with the sealing plate, thereby determining whether the fixing block has been embedded in the fixing groove, so that the product has the advantages of simple operation and reduced learning cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a side surface sectional structure schematic view of the utility model discloses an overhead line connecting hardware;

[0018] Figure 2 It is the utility model Figure 1A is a partial enlarged view of an overhead line connecting hardware of the utility model;

[0019] Figure 3 An explosion view of the overhead line connecting hardware of the utility model is provided;

[0020] Figure 4 A structural schematic view of the overhead line connecting hardware of the utility model is provided;

[0021] The correspondence between the reference signs in the drawings and the component names is as follows:

[0022] Reference signs: 1, body; 2, bolt; 3, nut; 4, fixed block; 5, spring; 6, sealing plate; 7, fastening screw; 11, connecting part; 12, through hole; 13, fixed groove; 14, inclined surface; 31, sink groove; 32, threaded hole; 351, channel; 352, limiting groove; 41, limiting part; 42, counterbore; 43, abutting part; 44, indicating rod. DETAILED DESCRIPTION

[0023] The technical solutions of the utility model will be described below in conjunction with embodiments. Obviously, the described embodiments are only some of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] In the description of the utility model, it should be understood that the directions or position relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the utility model.

[0025] In the embodiments of the utility model, "and / or" is only a description of the association relationship between the associated objects, which means that there can be three relationships, for example, A and / or B, which can mean that there are three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the associated objects before and after are a "or" relationship.

[0026] REFERENCE EXAMPLE Figures 1 to 4An overhead line connecting hardware, comprising a body 1, a bolt 2, both sides of the body 1 are provided with connecting parts 11, the connecting parts 11 are provided with through holes 12 for the bolt 2 to pass through, one of the connecting parts 11 is uniformly provided with a plurality of fixing grooves 13 with the through hole 12 as the axis, both sides of the fixing groove 13 are provided with inclined surfaces 14, the screw rod of the bolt 2 is threadedly connected with a nut 3, and abuts against the end surface of the connecting part 11 with the fixing groove 13, the nut 3 is provided with an extensible fixing block 4 corresponding to the fixing groove 13, both sides of the fixing block 4 are provided with springs 5 and abut against the nut 3, so that the fixing block 4 abuts against the fixing groove 13, the springs 5 release elastic force to the fixing block 4, so that the fixing block 4 is tightly pressed in the fixing groove 13, the fixing groove 13 prevents the left and right displacement of the fixing block 4, thereby ensuring that the nut 3 is not affected by external force and generates reverse rotation, at the same time, the springs 5 make the nut 3 and the screw thread of the screw rod tightly abut against each other, and increase the friction force of the two;

[0027] It is worth mentioning that one end of the nut 3 is provided with a sink groove 31, four corners of the sink groove 31 are provided with threaded holes 32, the sink groove 31 is provided with a sealing plate 6, four corners of the sealing plate 6 are provided with fastening screws 7 and are threadedly connected with the threaded holes 32, the sink groove 31 provides accommodation space for the sealing plate 6, and the threaded holes 32 connect and fix the sealing plate 6 with the sink hole 42;

[0028] It is worth mentioning that the sink groove 31 is provided with a passage 351 for the fixing block 4 to pass through, both sides of the passage 351 are provided with limiting grooves 352, and the limiting grooves 352 limit the distance of the fixing block 4 extending out of the passage 351;

[0029] It is worth mentioning that both sides of the fixing block 4 are provided with limiting parts 41 and are slidingly arranged in the limiting grooves 352, the limiting parts 41 are provided with sink holes 42 for accommodating the springs 5, the springs 5 abut against the sealing plate 6, so that the limiting parts 41 and the limiting grooves 352 are tightly abutted against each other, and the sink holes 42 prevent the springs 5 from being separated in the lifting process of the fixing block 4;

[0030] It is worth mentioning that the position of the fixing block 4 in contact with the inclined surface 14 is provided with an arc-shaped abutting part 43, the fixing block 4 is provided with an indicating rod 44 and passes through the sealing plate 6, when the nut 3 and the screw rod are tightened and the nut 3 tightly abuts against the connecting part 11, if the indicating rod 44 protrudes from the sealing plate 6, it represents that the fixing block 4 has not entered the fixing groove 13, continue to rotate the nut 3 until the indicating rod 44 is flush with the surface of the sealing plate 6, which represents that the fixing block 4 has entered the fixing groove 13, the abutting part 43 reduces the friction between the fixing block 4 and the inclined surface 14.

[0031] It is worth mentioning that the number of the fixing grooves 13 is at least four.

[0032] The above design scheme can realize the advantages of simple operation, low learning cost and anti-loosening of the product.

[0033] The above is further detailed description of the utility model in combination with specific embodiments, and cannot be determined that the utility model specific implementation is limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope determined by the claims submitted by the utility model.

Claims

1. An overhead line connection fitting comprising a body (1), a bolt (2), characterized in that: Two sides of the body (1) are provided with connecting parts (11), the connecting parts (11) are provided with through holes (12) for bolts (2) to pass through, one of the connecting parts (11) is uniformly provided with several fixing grooves (13) with the through hole (12) as the axis, both sides of the fixing groove (13) are provided with inclined surfaces (14), the screw rod of the bolt (2) is threadedly connected with a nut (3), and abuts against the end face of the connecting part (11) with the fixing groove (13), the nut (3) is provided with an extensible fixing block (4) corresponding to the fixing groove (13), both sides of the fixing block (4) are provided with springs (5) and abut against the nut (3), so that the fixing block (4) abuts against the fixing groove (13).

2. The overhead line connection fitting of claim 1, wherein: One end of the nut (3) is provided with a sink (31), four corners of the sink (31) are provided with threaded holes (32), the sink (31) is provided with a sealing plate (6), four corners of the sealing plate (6) are provided with fastening screws (7) and are threadedly connected to the threaded holes (32).

3. The overhead line connection fitting of claim 2, wherein: The sink (31) is provided with a channel (351) for the fixing block (4) to pass through, both sides of the channel (351) are provided with limiting grooves (352).

4. The overhead line connection fitting of claim 3, wherein: Both sides of the fixing block (4) are provided with limiting parts (41) and are slidingly arranged in the limiting grooves (352), the limiting parts (41) are provided with counterbores (42) for accommodating the springs (5), the springs (5) abut against the sealing plate (6), so that the limiting parts (41) are tightly abutted against the limiting grooves (352).

5. The overhead line connection fitting of claim 3 or 4, characterized in that: The position of the fixing block (4) in contact with the inclined surface (14) is provided with a contact part (43) with an arc shape, the fixing block (4) is provided with an indicating rod (44) and passes through the sealing plate (6).

6. The overhead line hardware of claim 5, wherein: The number of the fixing grooves (13) is at least four.

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