High-power connecting terminal of explosion-proof lamp

Abstract

The utility model relates to the technical field of connecting terminals, and discloses a high-power connecting terminal of an explosion-proof lamp, which comprises a substrate and longitudinal partition plates, five groups of longitudinal partition plates are fixed between the front part and the rear part of the top of the substrate, and transverse partition plates are fixed between the centers of the longitudinal partition plates and the substrate. Eight sets of containing cavities are formed between the longitudinal partition plates and the transverse partition plates, and fixing blocks are installed below the containing cavities. According to the high-power connecting terminal of the explosion-proof lamp, the limiting plate is arranged at the top of the base plate, the eight fixing blocks are formed by the longitudinal partition plates and the transverse partition plates which are staggered above the base plate, when copper wire connection is conducted, copper wires are inserted into the first circular grooves and then covered with the upper cover piece, and bolts in the first circular grooves 17 are screwed for locking; and then the transverse limiting plate at the top is fixed in a manner that the insertion rods are embedded into the holes, so that the terminal connecting part can be reinforced and protected above the substrate, and the problem that the terminal wiring harness is lack of protection is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of connection terminals, in particular to a high-power connection terminal for an explosion-proof lamp. Background Art

[0002] The terminal is the intermediate structure that connects the wiring harness and electrical accessories. The wires need to be stripped in advance, leaving only a certain length and inserted into the corresponding holes of the terminal, and then locked with bolts. The terminal shell is mostly made of insulating plastic, and a metal accessory power supply line connection is reserved inside.

[0003] When using high-power lighting equipment such as explosion-proof lamps, stable connection terminals are often required to receive and transmit current. In order to facilitate operation, the surface of the terminals are all open and lack protective structures. When the equipment is moved, the wiring harness is easily loosened due to vibration, affecting the transmission of current.

[0004] Now, a new type of explosion-proof lamp high-power connection terminal is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a high-power connection terminal for an explosion-proof lamp, so as to solve the problem of lack of protection of the terminal harness proposed in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-power connection terminal for an explosion-proof lamp, comprising a substrate and a longitudinal partition, five groups of longitudinal partitions are fixed between the front and back of the top of the substrate, and a transverse partition is fixed between the center of the longitudinal partition and the substrate, eight groups of accommodating chambers are formed between the longitudinal partitions and the transverse partitions, and a fixed block is installed below the accommodating chamber, two groups of first circular grooves are arranged inside the fixed block, the surface of the fixed block is covered with a cover plate, and two groups of second circular grooves are arranged inside the cover plate, bolts are meshed and connected between the first circular grooves and the second circular grooves, a limit plate is arranged on the top of the substrate, and five groups of plug rods are fixed between the two sides of the center of the bottom of the limit plate, five groups of holes are arranged between the two sides inside the transverse partition, and screw holes are arranged inside the front and back ends of the substrate.

[0007] Preferably, the cover plate is snap-fitted into the accommodating chamber, and the second circular groove overlaps the first circular groove.

[0008] Preferably, the insertion rod is embedded in the hole, and the insertion rod can support the limiting plate at the top.

[0009] Preferably, a slot is provided at the center of one end of the fixed block, and sliding grooves are provided on both sides of the slot, a connecting rod is movably inserted in the sliding groove, and a push block is fixed on the top of the connecting rod, a guide rod is fixed on the inner side of the slot, and a pull rod is sleeved on the outside of the guide rod, a spring is fixed between the pull rod and the slot, and the push block is attached to the outside of the cover plate.

[0010] Preferably, the guide rod is embedded in a cavity inside the draw rod, and the spring is wound around the outside of the guide rod.

[0011] Preferably, a storage groove is laterally arranged at the bottom between the fixed block and the base plate, latches are fixed on both sides of the inner side of the top of the accommodating chamber, and a dustproof sheet is movably inserted between one side of the latch, and slideways are arranged between the front and back of both sides of the dustproof sheet.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the explosion-proof lamp high-power connection terminal not only protects the wiring harness in the connection, fixes the metal sheet, but also realizes dust prevention of the terminal interface;

[0013] (1) A stop plate is provided on the top of the substrate, and eight accommodating chambers are formed on the top of the substrate by staggered longitudinal partitions and transverse partitions. When connecting the copper wire, the copper wire is first inserted into the first circular groove and then covered with the cover plate, and the bolt in the first circular groove 17 is screwed to lock it, and then the top transverse stop plate is fixed by inserting the rod into the hole, so that the terminal connection on the top of the substrate can be reinforced and protected to prevent the accessories inside the explosion-proof lamp from being squeezed or collided with it;

[0014] (2) A push block is fixed on the top of the connecting rod. After the drawing rod inserted in the slot is pulled out, the connecting rod horizontally fixed to the drawing rod is used to guide the push block to slide along the surface of the fixed block. After the cover sheet in the accommodating chamber is placed, the drawing rod is released. The spring-return push block wrapped around the outer side of the guide rod is used to press and fix the cover sheet, thereby preventing the cover sheet and other connecting parts from loosening, thereby increasing the stability of the connection between the wiring harness and the metal sheet.

[0015] (3) A dustproof sheet is movably inserted between one side of the plug and the inserted dustproof sheet is pulled out from the receiving groove. Since the dustproof sheet is clamped with the fixed plug through the horizontal slides on both sides, the movement of the dustproof sheet can be restricted and the dustproof sheet can be guided into the receiving groove, or the dustproof sheet can be guided to cover the top of the accommodating chamber to protect the first circular groove in the terminal from dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the fixing block of the utility model from top view;

[0019] Figure 4 For the utility model Figure 2 Schematic diagram of the enlarged structure of the local section at point A in the middle.

[0020] In the figure: 1. base plate; 2. screw hole; 3. longitudinal partition; 4. fixing block; 5. insertion rod; 6. accommodating chamber; 7. withdrawal rod; 8. cover plate; 9. slide groove; 10. connecting rod; 11. slot; 12. limit plate; 13. transverse partition; 14. hole; 15. dustproof sheet; 16. bolt; 17. first circular groove; 18. second circular groove; 19. spring; 20. guide rod; 21. slideway; 22. storage groove; 23. latch; 24. push block. DETAILED DESCRIPTION

[0021] 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.

[0022] Example 1: Please refer to Figure 1-4 , a high-power connection terminal for an explosion-proof lamp, comprising a substrate 1 and a longitudinal partition 3, five groups of longitudinal partitions 3 are fixed between the front and rear of the top of the substrate 1, and a transverse partition 13 is fixed between the center of the longitudinal partition 3 and the substrate 1, eight groups of accommodating chambers 6 are formed between the longitudinal partition 3 and the transverse partition 13, and a fixing block 4 is installed below the accommodating chamber 6, two groups of first circular grooves 17 are arranged inside the fixing block 4, the surface of the fixing block 4 is covered with a cover plate 8, and two groups of second circular grooves 18 are arranged inside the cover plate 8, and bolts 16 are meshed and connected between the first circular groove 17 and the second circular groove 18, a limiting plate 12 is arranged on the top of the substrate 1, and five groups of plug rods 5 are fixed between the two sides of the center of the bottom of the limiting plate 12, five groups of holes 14 are arranged between the two sides of the inside of the transverse partition 13, and screw holes 2 are arranged inside the front and rear ends of the substrate 1;

[0023] The cover sheet 8 is clamped in the accommodating chamber 6, the second circular groove 18 overlaps the first circular groove 17, the insertion rod 5 is embedded in the hole 14, and the insertion rod 5 can support the top limit plate 12;

[0024] Specifically, Figure 1 and Figure 2As shown, eight accommodating chambers 6 are formed above the substrate 1 by staggered longitudinal partitions 3 and transverse partitions 13. When connecting the copper wire, the copper wire is first inserted into the first circular groove 17 and then covered with the cover plate 8, and the bolt 16 in the first circular groove 17 is screwed to lock it, and then the top transverse limit plate 12 is fixed by inserting the rod 5 into the hole 14, so that the terminal connection above the substrate 1 can be reinforced and protected.

[0025] Embodiment 2: A slot 11 is provided at the center of one end of the fixed block 4, and slide grooves 9 are provided on both sides of the slot 11, a connecting rod 10 is movably inserted in the slide groove 9, and a push block 24 is fixed to the top of the connecting rod 10, a guide rod 20 is fixed to the inner side of the slot 11, and a draw rod 7 is sleeved on the outer side of the guide rod 20, a spring 19 is fixed between the draw rod 7 and the slot 11, the push block 24 is attached to the outer side of the cover sheet 8, the guide rod 20 is embedded in the cavity inside the draw rod 7, and the spring 19 is wound around the outer side of the guide rod 20;

[0026] Specifically, Figure 1 , Figure 2 and Figure 3 As shown, after pulling out the draw rod 7 inserted in the slot 11, the push block 24 is guided to slide along the surface of the fixed block 4 through the connecting rod 10 horizontally fixed to the draw rod 7, and after the cover sheet 8 in the accommodating chamber 6 is placed, the draw rod 7 is released, and the push block 24 is reset by the spring 19 wound around the outside of the guide rod 20, and the cover sheet 8 is pressed and fixed to prevent the cover sheet 8 and other connecting parts from loosening.

[0027] Embodiment 3: A receiving groove 22 is transversely arranged at the bottom between the fixed block 4 and the base plate 1, and latches 23 are fixed on both sides of the inner side of the top of the accommodating chamber 6, and a dustproof sheet 15 is movably inserted between one side of the latch 23, and a slideway 21 is arranged between the front and rear of both sides of the dustproof sheet 15;

[0028] Specifically, Figure 1 and Figure 4 As shown, the inserted dustproof sheet 15 is pulled out from the receiving groove 22. Since the dustproof sheet 15 is clamped together with the fixed pins 23 through the horizontal slides 21 on both sides, the movement of the dustproof sheet 15 can be restricted, and the dustproof sheet 15 can be guided to enter the receiving groove 22, or the dustproof sheet 15 is guided to cover the top of the accommodating chamber 6 to protect the first circular groove 17 in the terminal from dust.

[0029] Working principle: When the utility model is in use, the upper part of the base plate 1 is composed of eight accommodating chambers 6 formed by staggered longitudinal partitions 3 and transverse partitions 13. When connecting the copper wire, the copper wire is first inserted into the first circular groove 17 and then covered with the upper cover plate 8, and the bolt 16 in the first circular groove 17 is screwed to lock it, and then the top transverse limit plate 12 is fixed by inserting the rod 5 into the hole 14. After the draw rod 7 inserted in the slot 11 is pulled out, the push block 24 is guided to slide along the surface of the fixed block 4 through the connecting rod 10 fixed horizontally with the draw rod 7. After the receiving After the cover piece 8 in the chamber 6 is released, the pull rod 7 is released, and the push block 24 is reset by using the spring 19 wrapped around the outside of the guide rod 20 to suppress and fix the cover piece 8 to prevent the cover piece 8 and other connecting parts from loosening. Finally, the inserted dustproof sheet 15 is pulled out from the receiving groove 22. Since the dustproof sheet 15 is clamped together with the fixed pin 23 through the horizontal slides 21 on both sides, the movement of the dustproof sheet 15 can be limited, and the dustproof sheet 15 can be guided to enter the receiving groove 22, or the dustproof sheet 15 can be guided to cover the top of the accommodating chamber 6 to perform dustproof shielding on the first circular groove 17 in the terminal.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high-power connection terminal for an explosion-proof lamp, comprising a substrate (1) and a longitudinal partition (3), characterized in that: Five groups of longitudinal partitions (3) are fixed between the front and rear of the top of the base plate (1), and a transverse partition (13) is fixed between the center of the longitudinal partition (3) and the base plate (1), eight groups of accommodating chambers (6) are formed between the longitudinal partitions (3) and the transverse partitions (13), and a fixing block (4) is installed below the accommodating chamber (6), and two groups of first circular grooves (17) are arranged inside the fixing block (4), and the surface of the fixing block (4) is covered with a cover sheet (8), and the cover sheet (8) is provided on the bottom of the fixing block (4). Two groups of second circular grooves (18) are arranged inside the sheet (8), bolts (16) are meshed and connected between the first circular groove (17) and the second circular groove (18), a limiting plate (12) is arranged on the top of the base plate (1), and five groups of plug rods (5) are fixed between the two sides of the center of the bottom of the limiting plate (12), five groups of holes (14) are arranged between the two sides inside the transverse partition (13), and screw holes (2) are arranged inside the front and rear ends of the base plate (1).

2. The high-power connection terminal for explosion-proof lamp according to claim 1, characterized in that: The cover plate (8) is snap-fitted into the accommodating chamber (6), and the second circular groove (18) overlaps the first circular groove (17).

3. The high-power connection terminal for explosion-proof lamp according to claim 1, characterized in that: The insertion rod (5) is embedded in the hole (14), and the insertion rod (5) can support the limiting plate (12) at the top.

4. The high-power connection terminal for explosion-proof lamp according to claim 1, characterized in that: A slot (11) is provided at the center of one end of the fixed block (4), and slide grooves (9) are provided on both sides of the slot (11), a connecting rod (10) is movably inserted in the slide groove (9), and a push block (24) is fixed on the top of the connecting rod (10), a guide rod (20) is fixed on the inner side of the slot (11), and a draw rod (7) is sleeved on the outer side of the guide rod (20), a spring (19) is fixed between the draw rod (7) and the slot (11), and the push block (24) is attached to the outer side of the cover plate (8).

5. The high-power connection terminal for explosion-proof lamp according to claim 4, characterized in that: The guide rod (20) is embedded in a cavity inside the draw rod (7), and the spring (19) is wound around the outside of the guide rod (20).

6. The high-power connection terminal for explosion-proof lamp according to claim 1, characterized in that: A storage groove (22) is transversely arranged at the bottom between the fixed block (4) and the base plate (1), latches (23) are fixed on both sides of the inner side of the top of the accommodating chamber (6), and a dustproof sheet (15) is movably inserted between one side of the latches (23), and slideways (21) are arranged between the front and rear of both sides of the dustproof sheet (15).

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