Anti-drop positioning structure and fuse holder terminal

Abstract

The utility model relates to the field of fuse holders, specifically to an anti-dropping positioning structure and a fuse holder wiring terminal; the utility model comprises a bolt fixed on the surface of a fuse holder body, a limiting groove is arranged on an arcuate surface of the bolt, a nut is sleeved on the surface of the bolt, a receiving groove is arranged on the arcuate surface of an inner wall of the nut, a notch is arranged at the end of the receiving groove, a through groove is arranged on the upper surface of the nut, a transmission block is fixed on the lower surface of a connecting ring, a roller groove is arranged on the side surface of the transmission block, a sliding groove is arranged on the side surface of the roller groove, a baffle is fixed on the surface of the limiting block, a connecting block is fixed on the surface of the baffle, a groove is arranged at the end of the connecting block, a rotating shaft is fixed on the side surface of the groove, and a roller is inserted on the surface of the rotating shaft. The beneficial effect is that the connecting ring is pressed to move in the through groove, so that the limiting block is clamped in the limiting groove, and when the lower surface of the connecting ring contacts the surface of the nut, the limiting block is completely clamped in the limiting groove, so that the nut cannot rotate on the bolt, thereby realizing the anti-dropping positioning of the conductive sheet of the fuse holder body.

Description

Technical Field

[0001] The utility model relates to the field of fuse holders, in particular to an anti-dropping positioning structure and a fuse holder wiring terminal. Background Art

[0002] A fuse holder is a holder for installing a fuse.

[0003] In the prior art, in modern electrical equipment, the fuse holder plays a very important role. It can protect and regulate the current. The circuit connector is inserted into the socket of the fuse holder. The circuit connector transmits current through the conductive sheet provided in the socket. The conductive sheet is fixed to the fuse holder by bolts.

[0004] However, the conductive sheet of the conventional fuse holder is fixed by bolts, and after long-term use, the nuts are prone to loosening, which may cause the conductive sheet to loosen, thereby causing electrical connection failure and posing certain safety hazards. Utility Model Content

[0005] The utility model aims to provide an anti-dropping positioning structure and a fuse holder terminal to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an anti-slip positioning structure, the anti-slip positioning structure comprising:

[0007] The fuse holder body; a bolt is fixed on the surface of the fuse holder body, a limit groove is provided on the arc surface of the bolt, a nut is sleeved on the surface of the bolt, a threaded hole is provided on the upper surface of the nut, a receiving groove is provided on the arc surface of the inner wall of the nut, a notch is provided at the end of the receiving groove, and a through groove is provided on the upper surface of the nut;

[0008] A connecting ring; a threaded hole is provided on the surface of the connecting ring, a transmission block is fixed on the lower surface of the connecting ring, a roller groove is provided on the side surface of the transmission block, and a sliding groove is provided on the side surface of the roller groove;

[0009] A limit block; a baffle is fixed on the surface of the limit block, a connecting block is fixed on the surface of the baffle, a groove is opened at the end of the connecting block, a rotating shaft is fixed on the side surface of the groove, and a roller is inserted on the surface of the rotating shaft.

[0010] Preferably, there are multiple groups of limit grooves, which are circumferentially distributed on the arc surface of the bolt, and there are multiple groups of limit blocks, which are circumferentially distributed on the surface of the baffle. The limit blocks correspond to the limit grooves, and the limit blocks are clamped in the limit grooves, and the two are movably connected.

[0011] Preferably, there are multiple groups of threaded holes, which are symmetrically distributed on the surface of the nut and the connecting ring, and there are multiple groups of screws, which are symmetrically distributed on the surface of the connecting ring, and the screws correspond to the threaded holes and are clamped in the threaded holes.

[0012] Preferably, the size of the receiving groove is the same as that of the baffle, the size of the notch is the same as that of the limiting block, and the size of the baffle is larger than that of the limiting block, so that the limiting block can be received in the receiving groove and will not fall out of the receiving groove.

[0013] Preferably, there are multiple groups of through grooves, which are circumferentially distributed on the upper surface of the nut, and there are multiple groups of transmission blocks, which are circumferentially distributed on the lower surface of the connecting ring. The transmission blocks correspond to the through grooves, and the transmission blocks are clamped in the through grooves, and the two are movably connected.

[0014] Preferably, the sliding grooves are provided in multiple groups, which are symmetrically distributed on the side surface of the roller groove, and the rotating shafts are provided in multiple groups, which are symmetrically distributed on the side surface of the groove, and the rotating shafts correspond to the sliding grooves, and the rotating shafts are clamped in the sliding grooves, and the two are movably connected.

[0015] Preferably, the roller is inserted into the arc surface of the rotating shaft, and the two are movably connected, and the roller can rotate on the surface of the rotating shaft.

[0016] A fuse holder terminal comprises the anti-dropping positioning structure.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] Before use, the conductive sheet needs to be positioned to prevent it from falling off. The connecting ring is pressed to move in the through groove so that the limit block is stuck in the limit groove. When the lower surface of the connecting ring contacts the surface of the nut, the limit block is completely stuck in the limit groove. Under the restriction of multiple sets of limit blocks, the nut cannot rotate on the bolt, thereby realizing the anti-falling positioning of the conductive sheet of the fuse holder body. Threaded holes are provided on the surfaces of the connecting ring and the nut at the same time. When the connecting ring contacts the surface of the nut, the screw is stuck in the threaded hole. With the cooperation of the threaded hole and the screw, the connecting ring and the nut are connected and fixed, preventing the limit block from falling off the limit groove, thereby realizing the stability of the anti-falling positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the anti-slip positioning structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the nut structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the connecting ring of the utility model;

[0023] Figure 5 This is a schematic diagram of the transmission block structure of the utility model;

[0024] Figure 6 This is a schematic diagram of the limit block structure of the utility model.

[0025] In the figure: 1 fuse holder body, 2 nuts, 3 limit grooves, 4 bolts, 5 screws, 6 connecting rings, 7 limit blocks, 8 threaded holes, 9 through grooves, 10 storage grooves, 11 notches, 12 transmission blocks, 13 roller grooves, 14 sliding grooves, 15 baffles, 16 connecting blocks, 17 grooves, 18 rotating shafts, and 19 rollers. DETAILED DESCRIPTION

[0026] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0027] Embodiment 1

[0028] See also Figure 1-Figure 6 The utility model provides a technical solution: an anti-slip positioning structure and a fuse holder terminal, a bolt 4 is fixed on the surface of the fuse holder body 1, a limiting groove 3 is provided on the arc surface of the bolt 4, a nut 2 is sleeved on the surface of the bolt 4, a threaded hole 8 is provided on the upper surface of the nut 2, a screw 5 is clamped in the threaded hole 8, and under the cooperation of the threaded hole 8 and the screw 5, a connecting ring 6 is connected and fixed to the nut 2 to prevent the limiting block 7 from escaping from the limiting groove 3, thereby achieving the stability of the anti-slip positioning, a receiving groove 10 is provided on the arc surface of the inner wall of the nut 2, a notch 11 is provided at the end of the receiving groove 10, and a through groove 9 is provided on the upper surface of the nut 2;

[0029] A threaded hole 8 is provided on the surface of the connecting ring 6, a transmission block 12 is fixed on the lower surface of the connecting ring 6, a roller groove 13 is provided on the side surface of the transmission block 12, and a sliding groove 14 is provided on the side surface of the roller groove 13, so that the connecting block 16 is connected and fixed to the transmission block 12 to prevent the roller 19 from escaping from the roller groove 13;

[0030] A baffle 15 is fixed on the surface of the limit block 7, a connecting block 16 is fixed on the surface of the baffle 15, a groove 17 is formed at the end of the connecting block 16, a rotating shaft 18 is fixed on the side surface of the groove 17, and a roller 19 is inserted on the surface of the rotating shaft 18.

[0031] Embodiment 2

[0032] On the basis of the first embodiment, in order to achieve the stability of the anti-slip positioning structure, multiple groups of limit grooves 3 are provided, and the multiple groups of limit grooves 3 are circumferentially distributed on the arc surface of the bolt 4, and multiple groups of limit blocks 7 are provided. The multiple groups of limit blocks 7 are circumferentially distributed on the surface of the baffle 15, and the limit blocks 7 correspond to the limit grooves 3. The limit blocks 7 are clamped in the limit grooves 3, and the two are movably connected. The limit blocks 7 are completely clamped in the limit grooves 3. Under the restriction of the multiple groups of limit blocks 7, the nut 2 cannot rotate on the bolt 4, thereby realizing the anti-slip positioning of the conductive sheet of the fuse holder body 1;

[0033] There are multiple groups of threaded holes 8, which are symmetrically distributed on the surface of the nut 2 and the connecting ring 6. There are multiple groups of screws 5, which are symmetrically distributed on the surface of the connecting ring 6. The screws 5 correspond to the threaded holes 8. The screws 5 are clamped in the threaded holes 8. Under the cooperation of the threaded holes 8 and the screws 5, the connecting ring 6 is connected and fixed to the nut 2 to prevent the limit block 7 from escaping from the limit groove 3.

[0034] The size of the receiving groove 10 is the same as that of the baffle 15, the size of the notch 11 is the same as that of the stop block 7, and the size of the baffle 15 is larger than that of the stop block 7, so the stop block 7 can be received in the receiving groove 10 and will not be separated from the receiving groove 10;

[0035] There are multiple groups of through grooves 9, which are circumferentially distributed on the upper surface of the nut 2. There are multiple groups of transmission blocks 12, which are circumferentially distributed on the lower surface of the connecting ring 6. The transmission blocks 12 correspond to the through grooves 9. The transmission blocks 12 are clamped in the through grooves 9, and the two are movably connected. Since the side of the transmission block 12 is an inclined surface with a certain slope, the movement of the transmission block 12 will push the baffle 15 to move, and the movement of the baffle 15 will drive the limit block 7 to move, so that the limit block 7 is clamped in the limit groove 3;

[0036] There are multiple groups of slide grooves 14, which are symmetrically distributed on the side surface of the roller groove 13. There are multiple groups of rotating shafts 18, which are symmetrically distributed on the side surface of the groove 17. The rotating shafts 18 correspond to the slide grooves 14, and the rotating shafts 18 are clamped in the slide grooves 14, and the two are movably connected.

[0037] The roller 19 is inserted into the arc surface of the rotating shaft 18 , and the two are movably connected, so that the roller 19 can rotate on the surface of the rotating shaft 18 .

[0038] In actual use, in modern electrical equipment, the fuse holder body 1 plays a very important role. It can protect and regulate the current. The circuit connector is inserted into the socket of the fuse holder body 1. The circuit connector transmits current through the conductive sheet provided in the socket. The conductive sheet is fixed to the fuse holder body 1 by bolts 4. Before use, the conductive sheet needs to be anti-loosening and positioned. The nut 2 is turned to tighten it on the bolt 4. When the nut 2 is tightened, the notch 11 corresponds to the limit groove 3. Then, the connecting ring 6 is pressed to move in the through groove 9. The movement of the connecting ring 6 will drive the transmission block 12 to move. Since the side of the transmission block 12 is an inclined surface with a certain slope, the movement of the transmission block 12 will push the baffle 15 to move, and the movement of the baffle 15 will The limit block 7 is driven to move so that the limit block 7 is stuck in the limit groove 3. When the lower surface of the connecting ring 6 contacts the surface of the nut 2, the transmission block 12 completely enters the through groove 9. At the same time, the limit block 7 is completely stuck in the limit groove 3. Under the restriction of multiple groups of limit blocks 7, the nut 2 cannot rotate on the bolt 4, thereby realizing the anti-slip positioning of the conductive sheet of the fuse holder body 1. Threaded holes 8 are simultaneously provided on the surfaces of the connecting ring 6 and the nut 2. When the connecting ring 6 contacts the surface of the nut 2, the screw 5 is stuck in the threaded hole 8. Under the cooperation of the threaded hole 8 and the screw 5, the connecting ring 6 is connected and fixed to the nut 2, thereby preventing the limit block 7 from escaping from the limit groove 3, thereby realizing the stability of the anti-slip positioning. This structure is simple and easy to operate, which is conducive to improving its use effect.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-drop positioning structure, characterized in that: The anti-drop positioning structure comprises: A fuse holder body (1); a bolt (4) is fixed on the surface of the fuse holder body (1); a limit groove (3) is provided on the arc surface of the bolt (4); a nut (2) is sleeved on the surface of the bolt (4); a threaded hole (8) is provided on the upper surface of the nut (2); a receiving groove (10) is provided on the arc surface of the inner wall of the nut (2); a notch (11) is provided at the end of the receiving groove (10); and a through groove (9) is provided on the upper surface of the nut (2); A connecting ring (6); a threaded hole (8) is provided on the surface of the connecting ring (6); a transmission block (12) is fixed on the lower surface of the connecting ring (6); a roller groove (13) is provided on the side surface of the transmission block (12); and a sliding groove (14) is provided on the side surface of the roller groove (13); A limit block (7); a baffle (15) is fixed on the surface of the limit block (7); a connecting block (16) is fixed on the surface of the baffle (15); a groove (17) is formed at the end of the connecting block (16); a rotating shaft (18) is fixed on the side surface of the groove (17); and a roller (19) is inserted through the surface of the rotating shaft (18).

2. The anti-drop positioning structure according to claim 1, characterized in that: The limiting grooves (3) are provided with a plurality of groups, and the plurality of groups of limiting grooves (3) are circumferentially distributed on the arc surface of the bolt (4); the limiting blocks (7) are provided with a plurality of groups, and the plurality of groups of limiting blocks (7) are circumferentially distributed on the surface of the baffle (15); the limiting blocks (7) correspond to the limiting grooves (3), and the limiting blocks (7) are clamped in the limiting grooves (3), and the two are movably connected.

3. The anti-drop positioning structure according to claim 1, characterized in that: The threaded holes (8) are provided in a plurality of groups, and the plurality of groups of threaded holes (8) are symmetrically distributed on the surface of the nut (2) and the connecting ring (6); the screws (5) are provided in a plurality of groups, and the plurality of groups of screws (5) are symmetrically distributed on the surface of the connecting ring (6); the screws (5) correspond to the threaded holes (8), and the screws (5) are clamped in the threaded holes (8).

4. The anti-drop positioning structure according to claim 1, characterized in that: The size of the receiving groove (10) is the same as that of the baffle (15), the size of the notch (11) is the same as that of the limiting block (7), and the size of the baffle (15) is larger than that of the limiting block (7), so that the limiting block (7) can be received in the receiving groove (10) and will not fall out of the receiving groove (10).

5. The anti-drop positioning structure according to claim 1, characterized in that: The through grooves (9) are provided with a plurality of groups, and the plurality of groups of through grooves (9) are circumferentially distributed on the upper surface of the nut (2); the transmission blocks (12) are provided with a plurality of groups, and the plurality of groups of transmission blocks (12) are circumferentially distributed on the lower surface of the connecting ring (6); the transmission blocks (12) correspond to the through grooves (9), and the transmission blocks (12) are clamped in the through grooves (9), and the two are movably connected.

6. The anti-drop positioning structure according to claim 1, characterized in that: The sliding grooves (14) are provided with a plurality of groups, and the plurality of groups of sliding grooves (14) are symmetrically distributed on the side surface of the roller groove (13); the rotating shafts (18) are provided with a plurality of groups, and the plurality of groups of rotating shafts (18) are symmetrically distributed on the side surface of the groove (17); the rotating shafts (18) correspond to the sliding grooves (14), and the rotating shafts (18) are clamped in the sliding grooves (14), and the two are movably connected.

7. The anti-drop positioning structure according to claim 1, characterized in that: The roller (19) is inserted into the arc surface of the rotating shaft (18), and the two are movably connected, so that the roller (19) can rotate on the surface of the rotating shaft (18).

8. A fuse holder terminal, characterized in that: The invention comprises the anti-dropping positioning structure as described in any one of claims 1 to 7.

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