Physical circuit break type wiring terminal

Abstract

The utility model relates to a physical open-circuit type wiring terminal, which belongs to the technical field of wiring terminals and comprises a terminal shell, a wire core fixing dustproof mechanism is arranged on the terminal shell and comprises a bottom supporting plate fixedly mounted in the terminal shell and a wiring sleeve clamped in the terminal shell, and the wiring sleeve is fixedly connected with the bottom supporting plate. Two side limiting plates are fixedly mounted on the upper surface of the bottom supporting plate, and a top pressing plate is slidably mounted between the two side limiting plates. According to the physical open circuit type wiring terminal, the bottom supporting plate is arranged in the terminal shell, the top pressing plate is arranged on the bottom supporting plate, and the arc-shaped grooves are formed in the bottom supporting plate and the top pressing plate, so that a connecting wire can be arranged in the arc-shaped grooves in the bottom supporting plate and the top pressing plate when the physical open circuit type wiring terminal is used, and the top pressing plate is driven by the adjusting threaded rod to move downwards to clamp and fix the connecting wire; and meanwhile, a conical dustproof rubber sleeve is arranged in the wiring sleeve, so that dust can be prevented from entering the wiring sleeve.

Description

Technical Field

[0001] The utility model relates to the technical field of wiring terminals, in particular to a physical disconnecting type wiring terminal. Background Art

[0002] Terminal blocks are a type of device used to connect wires. They are commonly used in electrical equipment, circuit boards, and terminal devices. They provide a safe and reliable way to connect wires, while also facilitating maintenance and replacement. The use of terminal blocks can simplify the electrical connection process, reduce the risk of incorrect connections, and improve the stability and reliability of the connection.

[0003] Chinese patent CN108565569B discloses a stable connection terminal, including a socket, a wire nose, a clamping plate, a connection sleeve, and a matching ear. The upper side of the socket is provided with a plurality of connection holes, a wire nose is provided in the connection hole, an assembly buckle is provided at the lower end of the wire nose, buckle strips are provided on both sides of the assembly buckle, a locking buckle is provided at the upper end of the wire nose, the locking buckle is perpendicular to the wire nose, the locking buckle is in a circular shape, a compression wire ring is provided on the inner side of the locking buckle, clamping strips are provided on both sides of the locking buckle, a clamping groove is provided at one end of the clamping strip, clamping plates are provided on both sides of the wire nose, the socket is rectangular, matching ears are provided on both sides of the socket, the left side, right side, and lower side of the socket are sleeved with connection sleeves, and the outer end of the matching ear passes through the connection sleeve. The present invention provides a stable connection terminal, which is convenient to operate, firmly connected, has low contact resistance, will not burn out when connected to a high-power circuit board, and has good stability.

[0004] The above patent aims to improve the defects of the wiring terminals in the prior art, such as the loose cables, poor contact, high resistance and poor safety. At the same time, one of the wire noses of the wiring terminal cannot be replaced if it is damaged, which increases the cost. In addition, when the cable is fixed in the wire nose, it is easy to loosen, not firmly fixed, and has poor stability. It is easy to burn out when connected to a high-power circuit board. This embodiment provides another implementation plan for the problems raised in the above patent. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a physical disconnect type terminal block, which has the advantages of stable connection and high safety, and solves the defects of the prior art terminal block that the cable is prone to loose cable, poor contact, high resistance, and poor safety. At the same time, one of the wire noses of the terminal block cannot be replaced if it is damaged, which increases the cost. In addition, when the cable is fixed in the wire nose, it is easy to loosen, is not firmly fixed, has poor stability, and is easy to burn out when connected to a high-power circuit board.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a physical disconnection type wiring terminal, comprising a terminal housing, on which a wire core fixing dustproof mechanism is provided;

[0007] The wire core fixing dust-proof mechanism includes a bottom support plate fixedly installed inside the terminal housing and a wiring sleeve clamped inside the terminal housing, two side limit plates are fixedly installed on the upper surface of the bottom support plate, a top pressure plate is slidably installed between the two side limit plates, an adjusting threaded rod that penetrates the top pressure plate and is threadedly connected to the top pressure plate is rotatably installed on the upper surface of the bottom support plate, a conical dust-proof rubber sleeve is fixedly installed on the inner side of the wiring sleeve, a metal contact spring is fixedly installed on the surface of the wiring sleeve, and a physical circuit-breaking mechanism for separating the terminal circuit is provided on the terminal housing.

[0008] Furthermore, the terminal housing surface is provided with two threading holes, the upper surface of the bottom support plate and the lower surface of the top pressure plate are both provided with two arc-shaped grooves, and the positions of the threading holes correspond to the positions of the arc-shaped grooves.

[0009] Furthermore, grooves are provided on the surfaces of the two side limit plates on opposite sides, and the two sides of the top pressure plate are respectively located in the two grooves, and the surface of the top pressure plate is in sliding contact with the inner surface of the groove.

[0010] Furthermore, a threaded hole is provided on the surface of the top pressure plate, and the outer surface of the adjusting threaded rod is threadedly connected to the inner surface of the threaded hole.

[0011] Furthermore, the physical circuit breaking mechanism includes two sleeves fixedly mounted on the outer surface of the terminal housing, a connecting rod extending to the outer surface of the sleeve is inserted into the sleeve, a connecting plate is fixedly mounted at one end of the connecting rod, and an isolation plate inserted into the inner side of the terminal housing is fixedly mounted on the surface of the connecting plate.

[0012] Furthermore, a rubber ring is fixedly installed in the cylinder, and a plurality of annular grooves are provided on the surface of the connecting rod, and the rubber ring is matched with the annular grooves.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The physical disconnect type terminal block is provided with a bottom support plate in a terminal housing, a top pressure plate on the bottom support plate, and arc-shaped grooves on the bottom support plate and the top pressure plate. When in use, the connecting wire can be placed in the arc-shaped grooves on the bottom support plate and the top pressure plate, and the top pressure plate is driven downward by an adjusting threaded rod to clamp and fix the connecting wire, thereby improving the connection stability between the connecting wire and the terminal block. At the same time, a conical dustproof rubber sleeve is provided in the terminal sleeve to prevent dust from entering the terminal sleeve, thereby solving the defects of the terminal block in the prior art that the cable is prone to loosening, poor contact, high resistance, and poor safety. At the same time, one of the wire noses of the terminal block cannot be replaced if it is damaged, which increases the cost. Moreover, when the cable is fixed in the wire nose, it is easy to loosen, not firmly fixed, and has poor stability. It is easy to burn out when connected to a high-power circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the interior of the terminal housing of the utility model structure;

[0016] Figure 2 This is a schematic diagram of the connection between the bottom support plate and the top pressure plate of the utility model structure;

[0017] Figure 3 This is a schematic diagram of the interior of the structural sleeve of the utility model;

[0018] Figure 4 This is a schematic diagram of the interior of the wiring sleeve of the utility model structure;

[0019] Figure 5 This is a schematic diagram of the structural isolation board of the utility model;

[0020] Figure 6 This is a schematic diagram of the structural buckle of the utility model.

[0021] In the figure: 1. Terminal housing; 2. Bottom support plate; 3. Wiring sleeve; 4. Side limit plate; 5. Top pressure plate; 6. Adjustment threaded rod; 7. Conical dustproof rubber sleeve; 8. Metal contact spring; 9. Threading hole; 10. Arc groove; 11. Groove; 12. Threaded hole; 13. Sleeve; 14. Connecting rod; 15. Connecting plate; 16. Isolation plate; 17. Rubber ring; 18. Annular groove; 19. Buckle. 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] For example, see Figure 1-6 In the present embodiment, a physical disconnecting terminal comprises a terminal housing 1, on which a wire core fixing dustproof mechanism is provided, the wire core fixing dustproof mechanism comprises a bottom support plate 2 fixedly mounted inside the terminal housing 1 and a wiring sleeve 3 clamped inside the terminal housing 1, two side limit plates 4 are fixedly mounted on the upper surface of the bottom support plate 2, a top pressure plate 5 is slidably mounted between the two side limit plates 4, two threading holes 9 are opened on the surface of the terminal housing 1, two arc-shaped grooves 10 are opened on the upper surface of the bottom support plate 2 and the lower surface of the top pressure plate 5, the position of the threading hole 9 corresponds to the position of the arc-shaped groove 10, the threading hole 9 is convenient for inserting the connecting wire into the terminal housing 1, and the arc-shaped groove 10 is convenient for the bottom support plate The plate 2 and the top pressure plate 5 are in contact with the connecting line, and an adjusting threaded rod 6 that penetrates the top pressure plate 5 and is threadedly connected to the top pressure plate 5 is rotatably installed on the upper surface of the bottom support plate 2. A groove 11 is provided on the surfaces of the opposite sides of the two side limit plates 4. The two sides of the top pressure plate 5 are respectively located in the two grooves 11. The surface of the top pressure plate 5 is in sliding contact with the inner surface of the groove 11, which is convenient for the top pressure plate 5 to move between the two side limit plates 4. A threaded hole 12 is provided on the surface of the top pressure plate 5. The outer surface of the adjusting threaded rod 6 is threadedly connected with the inner surface of the threaded hole 12. The height of the top pressure plate 5 can be adjusted by adjusting the threaded rod 6 and the threaded hole 12. A conical dustproof rubber sleeve 7 is fixedly installed on the inner side of the wiring sleeve 3, and a metal contact spring 8 is fixedly installed on the surface of the wiring sleeve 3.

[0024] A physical circuit-breaking mechanism for separating the terminal circuit is provided on the terminal housing 1, and the physical circuit-breaking mechanism includes two sleeves 13 fixedly mounted on the outer surface of the terminal housing 1, a connecting rod 14 extending to the outer surface of the sleeve 13 is inserted in the sleeve 13, a connecting plate 15 is fixedly mounted at one end of the connecting rod 14, an isolation plate 16 inserted into the inner side of the terminal housing 1 is fixedly mounted on the surface of the connecting plate 15, a rubber ring 17 is fixedly mounted in the cylinder 13, a plurality of annular grooves 18 are provided on the surface of the connecting rod 14, the rubber ring 17 is matched with the annular groove 18, and the connecting rod 14 can be stopped at a specified position through the rubber ring 17 and the annular groove 18, thereby fixing the isolation plate 16 at the specified position.

[0025] It should be noted that the number of wiring sleeves 3 in this embodiment is two.

[0026] The working principle of the above embodiment is:

[0027] When in use, the connecting wire is inserted into the terminal housing 1 through the wire threading hole 9, so that the connecting wire is located between the bottom support plate 2 and the top pressure plate 5, and is located in the arc-shaped groove 10 on the bottom support plate 2 and the top pressure plate 5, the wire core is inserted into the wiring sleeve 3, the conical dust-proof rubber sleeve 7 is in contact with the insulating layer of the connecting wire, and then the top pressure plate 5 is adjusted downward by adjusting the threaded rod 6, and the top pressure plate 5 is limited by the side limit plate 4, the connecting wire is clamped and fixed by the top pressure plate 5 and the bottom support plate 2, and the two wiring sleeves 3 are connected by two metal contact springs 8, so that the terminal forms a passage. When the terminal circuit needs to be cut off, the isolation plate 16 is pushed into the terminal housing 1, and the two metal contact springs 8 are separated by the isolation plate 16, so that the terminal forms a circuit break.

[0028] Embodiment 2: Based on embodiment 1, a buckle 19 is fixedly installed inside the terminal housing 1 in this embodiment, and the wiring sleeve 3 is buckled inside the buckle 19, so that the wiring sleeve 3 can be easily replaced.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] 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. A physical disconnect terminal, comprising a terminal housing (1), characterized in that: The terminal housing (1) is provided with a wire core fixing dustproof mechanism; The wire core fixing dustproof mechanism comprises a bottom support plate (2) fixedly mounted inside the terminal housing (1) and a wiring sleeve (3) clamped inside the terminal housing (1); two side limit plates (4) are fixedly mounted on the upper surface of the bottom support plate (2); a top pressure plate (5) is slidably mounted between the two side limit plates (4); an adjusting threaded rod (6) penetrating the top pressure plate (5) and threadedly connected to the top pressure plate (5) is rotatably mounted on the upper surface of the bottom support plate (2); a conical dustproof rubber sleeve (7) is fixedly mounted on the inner side of the wiring sleeve (3); a metal contact spring (8) is fixedly mounted on the surface of the wiring sleeve (3); and a physical circuit-breaking mechanism for separating the terminal circuit is provided on the terminal housing (1).

2. A physical disconnect terminal according to claim 1, characterized in that: The surface of the terminal housing (1) is provided with two threading holes (9), the upper surface of the bottom support plate (2) and the lower surface of the top pressure plate (5) are both provided with two arc-shaped grooves (10), and the positions of the threading holes (9) correspond to the positions of the arc-shaped grooves (10).

3. A physical disconnect terminal according to claim 1, characterized in that: The two side limit plates (4) are provided with grooves (11) on their opposite side surfaces, and the two sides of the top pressure plate (5) are respectively located in the two grooves (11), and the surface of the top pressure plate (5) is in sliding contact with the inner surface of the groove (11).

4. A physical disconnect terminal according to claim 1, characterized in that: A threaded hole (12) is provided on the surface of the top pressure plate (5), and the outer surface of the adjusting threaded rod (6) is threadedly connected to the inner surface of the threaded hole (12).

5. The physical disconnect terminal according to claim 1, characterized in that: The physical disconnect mechanism comprises two sleeves (13) fixedly mounted on the outer surface of the terminal housing (1), a connecting rod (14) extending to the outer surface of the sleeve (13) being inserted into the sleeve (13), a connecting plate (15) being fixedly mounted on one end of the connecting rod (14), and an isolation plate (16) being fixedly mounted on the surface of the connecting plate (15) and being plugged into the inner side of the terminal housing (1).

6. A physical disconnect terminal according to claim 5, characterized in that: A rubber ring (17) is fixedly installed in the cylinder (13), and a plurality of annular grooves (18) are provided on the surface of the connecting rod (14), and the rubber ring (17) is matched with the annular grooves (18).

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