A fork-shaped structure with multiple contacts for a connector

Abstract

The present invention relates to a fork-shaped structure with multiple contacts for a connector, comprising a conductor and a power connection rod connected to one side of the conductor, the conductor is a U-shaped structure, the outer periphery of the conductor is wrapped with an insulating shell, a third limit groove for the conductor to be clamped is provided in the insulating shell, a movable groove is provided at the U-shaped opening of the conductor, a plurality of first installation grooves are provided on the opposite side of the movable groove, a first piston is provided on the opposite side of the first installation groove, a first piston shaft is provided on one side of the first piston, a second piston is provided on one side of the first piston shaft, a mounting plate is installed on the second piston, contacts are provided on the mounting plate, a first spring is provided between the first piston and the second piston, and the contacts are sheet-shaped structures. The present invention effectively improves the stability of power connection.

Description

Technical Field

[0001] The invention relates to the technical field of connectors, in particular to a fork-shaped structure with multiple contacts used in connectors. Background Art

[0002] A substation is a place in the power system that transforms voltage and current, receives and distributes electrical energy. The substation in a power plant is a step-up substation, which boosts the voltage of the power generated by the generator and feeds it into the high-voltage power grid.

[0003] (1) Class I substations. Refers to AC UHV substations, nuclear power, large energy bases (3 million kw and above) transmission and cross-regional (North China, Central China, East China, Northeast China, Northwest China) 750 / 500 / 330 kV substations.

[0004] (2) Category II substations. These are substations other than Category I substations, including 750 / 500 / 330 kV substations, power plant transmission substations (1 million kW and above, 3 million kW and below), and inter-provincial 220 kV substations, as well as substations where the main transformer or busbar is out of service, or the switch refuses to operate, causing a Level 4 or above power grid event.

[0005] (3) Category III substations. These are 220 kV substations other than Category II, power plant transmission substations (300,000 kW and above, but below 1,000,000 kW), substations where the main transformer or busbar is out of service, or the switch refuses to operate, causing a Level 5 grid event, and substations that directly supply power to important users at or above Level 1.

[0006] (4) Category IV substation: refers to substations of 35 kV and above other than Category I, II and III.

[0007] In actual use, an external connector is required for connection, but the connector in the prior art has poor stability during connection. Therefore, it is urgent to develop a fork-shaped structure with multiple contacts for the connector to solve the problems in the prior art. Summary of the invention

[0008] The object of the present invention is to provide a fork-shaped structure with multiple contacts for a connector to solve the problems raised in the above background technology.

[0009] To achieve the above object, the present invention provides the following technical solutions:

[0010] A fork-shaped structure with multiple contacts for a connector, comprising a conductor and a connecting rod connected to one side of the conductor, the conductor being a U-shaped structure, the outer periphery of the conductor being wrapped with an insulating shell, a third limiting groove for the conductor to be clamped is provided in the insulating shell, a movable groove is provided at the U-shaped opening of the conductor, a plurality of first mounting grooves are provided on the opposite side of the movable groove, a first piston is provided on the opposite side of the first mounting groove, a first piston shaft is provided on the side of the first piston away from the conductor, a second piston is provided on the side of the first piston shaft away from the first piston, a mounting plate is installed on the second piston, contacts are provided on the mounting plate, a first spring is provided between the first piston and the second piston, the first spring is sleeved on the outer periphery of the first piston shaft, and the contacts are sheet-like structures.

[0011] As a further solution of the present invention: the inner wall of the first installation groove is provided with a first slide groove, the first slide groove is provided with a first slider sliding along the first slide groove, and a first connecting plate is connected between the slider and the installation plate.

[0012] As a further solution of the present invention: the gap between the contacts is m1, 0cm<m1≤6cm.

[0013] As a further solution of the present invention: the width of the conductor is m2, 4cm≤m2≤10cm.

[0014] As a further solution of the present invention: a plurality of first limiting grooves are provided at the upper end of the conductor, and a first limiting rib which is snap-fitted into the first limiting grooves is provided at one side of the insulating shell close to the conductor.

[0015] As a further solution of the present invention: second limiting grooves are provided on both sides of the conductor, and a second limiting rib is provided on the side of the insulating shell close to the conductor and is clamped in the second limiting groove.

[0016] As a further solution of the present invention: the angle between the contact point and the horizontal direction is α, 30°≤α≤80°.

[0017] As a further solution of the present invention: one side of the conductor is provided with an electrical socket, the opposite side of the conductor is provided with a second installation groove, the bottom of the second installation groove is provided with a third piston, the side of the third piston away from the conductor is provided with a second piston shaft, the side of the second piston shaft away from the third piston is provided with a fourth piston, the fourth piston is provided with a connecting shaft, the contact is fixed at the end of the connecting shaft away from the fourth piston, and the contact is an ellipsoidal structure.

[0018] As a further solution of the present invention: the inner wall of the second installation groove is provided with a second slide groove, the second slide groove is provided with a second slider sliding along the second slide groove, and a second connecting plate is connected between the second slider and the connecting shaft.

[0019] As a further solution of the present invention: a second spring is provided between the third piston and the fourth piston, and the second spring is sleeved on the outer circumference of the second piston shaft.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. When in use, contacts are arranged on the mounting plate, the contacts are sheet-like structures, and a plurality of first mounting grooves are arranged on the opposite side of the movable groove. A first piston, a first piston shaft and a second piston are arranged on the opposite side of the first mounting groove. The first piston shaft is extended and retracted between the first piston and the second piston, and a first spring is arranged between the first piston and the second piston. The first spring is sleeved on the outer periphery of the first piston shaft, so that the elastic restoring force of the first spring is used to realize that the contacts are in contact with the power connection part, so that power connection is formed and the stability of power connection is ensured.

[0022] 2. A first slide groove is provided on the inner wall of the first installation groove, a first slider sliding along the first slide groove is provided in the first slide groove, and a first connecting plate is connected between the first slider and the installation plate, so as to ensure the stability of the contact movement and further ensure the stability of the power connection.

[0023] 3. Specifically in this embodiment, m1 is 3 cm. This setting can ensure the stability of power connection.

[0024] 4. Specifically in this embodiment, m2 is 7 cm. This setting can ensure stable power supply.

[0025] 5. A plurality of first limiting grooves are provided at the upper end of the conductor, and a first limiting convex rib which is clamped in the first limiting groove is provided on the side of the insulating shell close to the conductor, so that the stability of the conductor assembly can be effectively improved.

[0026] 6. By providing second limiting grooves on both sides of the conductor, a second limiting rib that is snap-fitted into the second limiting groove is provided on one side of the insulating shell close to the conductor, thereby improving the stability of the conductor assembly.

[0027] 7. Specifically in this embodiment, α is 55°. In this way, the inclined setting of the contact can increase the contact area with the power connection piece and improve the stability of power connection.

[0028] 8. By arranging a second installation groove on the opposite side of the conductor, a third piston, a second piston shaft and a fourth piston are arranged at the bottom of the second installation groove, and the second piston shaft is extended and retracted between the third piston and the fourth piston. In this way, the contact can be extended and retracted, thereby improving the stability of the contact electrical connection.

[0029] 9. By arranging a second slide groove on the inner wall of the second installation groove, arranging a second slider sliding along the second slide groove in the second slide groove, and connecting a second connecting plate between the second slider and the connecting shaft, the stability of the contact movement can be improved.

[0030] 10. By arranging a second spring between the third piston and the fourth piston, the second spring is sleeved on the outer circumference of the second piston shaft, so that the elastic restoring force of the second spring can be utilized to achieve the extension and retraction of the contacts. The extension and retraction of the contacts realizes the directional force of the contacts on the plug, thereby improving the stability of the electrical connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 A cross-sectional view of Embodiment 1 of the fork-shaped structure with multiple contacts for a connector according to the present invention;

[0032] Figure 2 A side view of Embodiment 1 of the fork-shaped structure with multiple contacts for a connector according to the present invention;

[0033] Figure 3 for Figure 1 A local enlarged schematic diagram of the middle A;

[0034] Figure 4 for Figure 1 A partial enlarged schematic diagram of point B in the middle;

[0035] Figure 5 A cross-sectional view of Embodiment 2 of a fork-shaped structure with multiple contacts for a connector according to the present invention;

[0036] Figure 6 A top view of Embodiment 2 of a fork-shaped structure with multiple contacts for a connector according to the present invention;

[0037] Figure 7 for Figure 5 A partial enlarged schematic diagram of point C in the middle.

[0038] In the figure: 1. insulating shell; 2. conductor; 3. movable groove; 4. contact finger; 5. first limiting groove; 6. first limiting rib; 7. first mounting groove; 8. first piston; 9. first piston shaft; 10. first spring; 11. second piston; 12. mounting plate; 13. first connecting plate; 14. first slider; 15. first slide groove; 16. fourth piston; 17. second limiting rib; 18. second limiting groove; 19. third limiting groove; 20. power connection socket; 21. power connection pole; 22. second slide groove; 23. second slider; 24. third piston; 25. second piston shaft; 26. second spring; 27. second mounting groove; 28. connecting shaft; 29. ​​second connecting plate. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] Example 1

[0041] See also Figures 1 to 4 In an embodiment of the present invention, a fork-shaped structure with multiple contacts for a connector includes a conductor 2 and a power connecting rod 21 connected to one side of the conductor 2, wherein the conductor 2 is a U-shaped structure, the outer periphery of the conductor 2 is wrapped with an insulating shell 1, and a third limiting groove 19 for the conductor 2 to be clamped is provided in the insulating shell 1, and a movable groove 3 is provided at the U-shaped opening of the conductor 2, and a plurality of first mounting grooves 7 are provided on the opposite side of the movable groove 3, and a first piston 8 is provided on the opposite side of the first mounting groove 7, and a first piston shaft 9 is provided on the side of the first piston 8 away from the conductor 2, and a second piston 11 is provided on the side of the first piston shaft 9 away from the first piston 8, and a mounting plate 12 is installed on the second piston 11, and contacts are provided on the mounting plate 12, and a first spring 10 is provided between the first piston 8 and the second piston 11, and the first spring 10 is sleeved on the outer periphery of the first piston shaft 9, and the contact is a sheet structure. When in use, contacts are arranged on the mounting plate 12, and the contacts are of a sheet structure. A plurality of first mounting grooves 7 are arranged on the opposite side of the movable groove 3. The first piston 8, the first piston shaft 9 and the second piston 11 are arranged on the opposite side of the first mounting groove 7. The first piston shaft 9 is extended and retracted between the first piston 8 and the second piston 11, and a first spring 10 is arranged between the first piston 8 and the second piston 11. The first spring 10 is sleeved on the outer periphery of the first piston shaft 9. In this way, the elastic restoring force of the first spring 10 is utilized to realize that the contacts are in contact with the power connection part, so that power connection is formed, and the stability of power connection is ensured.

[0042] In this embodiment, the inner wall of the first mounting groove 7 is provided with a first slide groove 15, the first slide groove 15 is provided with a first slider 14 sliding along the first slide groove 15, and a first connecting plate 13 is connected between the slider and the mounting plate 12. The inner wall of the first mounting groove 7 is provided with a first slide groove 15, the first slide groove 15 is provided with a first slider 14 sliding along the first slide groove 15, and the first connecting plate 13 is connected between the first slider 14 and the mounting plate 12, so that the stability of the contact movement can be ensured, and then the stability of the power connection can be ensured.

[0043] In this embodiment, the gap between the contacts is m1, 0cm<m1≤6cm. Specifically in this embodiment, m1 is 3cm, and such a setting can ensure the stability of power connection.

[0044] In this embodiment, the width of the conductor 2 is m2, 4cm≤m2≤10cm. Specifically in this embodiment, m2 is 7cm, and such a setting can ensure stable power connection.

[0045] In this embodiment, the upper end of the conductor 2 is provided with a plurality of first limiting grooves 5, and the side of the insulating housing 1 close to the conductor 2 is provided with a first limiting rib 6 snapped into the first limiting groove 5. The upper end of the conductor 2 is provided with a plurality of first limiting grooves 5, and the side of the insulating housing 1 close to the conductor 2 is provided with a first limiting rib 6 snapped into the first limiting groove 5, so that the stability of the assembly of the conductor 2 can be effectively improved.

[0046] In this embodiment, the second limiting grooves 18 are provided on both sides of the conductor 2, and the second limiting convex rib 17 clamped in the second limiting grooves 18 is provided on the side of the insulating housing 1 close to the conductor 2. By providing the second limiting grooves 18 on both sides of the conductor 2 and providing the second limiting convex rib 17 clamped in the second limiting grooves 18 on the side of the insulating housing 1 close to the conductor 2, the stability of the assembly of the conductor 2 can be improved.

[0047] In this embodiment, the angle between the contact and the horizontal direction is α, 30°≤α≤80°. Specifically in this embodiment, α is 55°. In this way, the inclined setting of the contact can increase the contact area with the power connection piece and improve the stability of power connection.

[0048] Example 2

[0049] like Figure 5-7 As shown, the difference between this embodiment and embodiment 1 is that an electrical connection jack 20 is provided on one side of the conductor 2, a second mounting groove 27 is provided on the opposite side of the conductor 2, a third piston 24 is provided on the bottom of the second mounting groove 27, a second piston shaft 25 is provided on the side of the third piston 24 away from the conductor 2, a fourth piston 16 is provided on the side of the second piston shaft 25 away from the third piston 24, a connecting shaft 28 is provided on the fourth piston 16, and the contact is fixed at the end of the connecting shaft 28 away from the fourth piston 16, and the contact is an ellipsoid structure. By providing the second mounting groove 27 on the opposite side of the conductor 2, the third piston 24, the second piston shaft 25 and the fourth piston 16 are provided on the bottom of the second mounting groove 27, and the second piston shaft 25 is extended and retracted between the third piston 24 and the fourth piston 16, the contact can be extended and retracted, thereby improving the stability of the electrical connection of the contact.

[0050] In this embodiment, the second mounting groove 27 has a second slide groove 22 on its inner wall, a second slider 23 sliding along the second slide groove 22 is provided in the second slide groove 22, and a second connecting plate 29 is connected between the second slider 23 and the connecting shaft 28. By providing the second slide groove 22 on the inner wall of the second mounting groove 27, providing the second slider 23 sliding along the second slide groove 22 in the second slide groove 22, and connecting the second connecting plate 29 between the second slider 23 and the connecting shaft 28, the stability of the contact movement can be improved.

[0051] In this embodiment, a second spring 26 is provided between the third piston 24 and the fourth piston 16, and the second spring 26 is sleeved on the outer circumference of the second piston shaft 25. By providing the second spring 26 between the third piston 24 and the fourth piston 16, and the second spring 26 is sleeved on the outer circumference of the second piston shaft 25, the elastic restoring force of the second spring 26 can be utilized to achieve the extension and retraction of the contacts, and the extension and retraction of the contacts realizes the directional force of the contacts on the plug, so that the stability of the electrical connection can be improved.

[0052] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0053] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A fork-shaped structure with multiple contacts for a connector, characterized in that: It comprises a conductor and a connecting rod connected to one side of the conductor, the conductor is a U-shaped structure, the outer periphery of the conductor is wrapped with an insulating shell, a third limiting groove for the conductor to be clamped is arranged in the insulating shell, a movable groove is arranged at the U-shaped opening of the conductor, a plurality of first installation grooves are arranged on the opposite side of the movable groove, a first piston is arranged on the opposite side of the first installation groove, a first piston shaft is arranged on the side of the first piston away from the conductor, a second piston is arranged on the side of the first piston shaft away from the first piston, a mounting plate is installed on the second piston, contacts are arranged on the mounting plate, a first spring is arranged between the first piston and the second piston, the first spring is sleeved on the outer periphery of the first piston shaft, and the contact is a sheet structure; The inner wall of the first mounting groove is provided with a first slide groove, the first slide groove is provided with a first slider which slides along the first slide groove, and a first connecting plate is connected between the slider and the mounting plate; The gap between the contacts is m1, 0cm<m1≤6cm; The width of the conductor is m2, 4cm≤m2≤10cm; The upper end of the conductor is provided with a plurality of first limiting grooves, and the side of the insulating shell close to the conductor is provided with a first limiting rib snapped into the first limiting groove; The angle between the contact point and the horizontal direction is α, 30°≤α≤80°.

2. A fork-shaped structure with multiple contacts for a connector according to claim 1, characterized in that: Second limiting grooves are arranged on both sides of the conductor, and a second limiting convex rib is arranged on one side of the insulating shell close to the conductor and is clamped in the second limiting grooves.

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