Cable connector of welding cabinet

Abstract

The utility model relates to the technical field of cable processing, in particular to a cable connector of a welding cabinet. The cable connector comprises a first connecting piece and a second connecting piece, a connecting plug is fixedly arranged in the first connecting piece, the connecting plug extends to the outer side of the first connecting piece in the length direction of the first connecting piece, the other end of the first connecting piece is provided with a first cavity used for inserting a cable, and one end of the second connecting piece is provided with a recess. A first limiting rod is arranged in the recess, an annular groove matched with the first limiting rod is formed in the upper end part of the connecting plug, and a notch is formed in one end, far away from the first connecting piece, of the connecting plug, so that when the connecting plug enters the recess, the first limiting rod is clamped into the annular groove, and the first limiting rod is clamped into the annular groove; the first connecting piece and the second connecting piece are both made of conductive materials. According to the device, the problem that the cable is loosened due to external force such as vibration and stretching in long-term use is solved, and the convenience of mounting and dismounting is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable processing technical field, specifically a kind of cable connector of welding cabinet. BACKGROUND

[0002] In power system, from power plant, electric energy is transported to transformer substation, and then, electric energy is distributed to each power consumption area, such as factory, enterprise, residential area, etc., by transformer substation, which needs to rely on cable to transmit high-voltage, super-high-voltage electric energy.

[0003] According to the connection requirement of cable, the wires of two cables are connected, and the common connection method in prior art is as follows: for single or multi-strand wire of smaller specification, the end of two wires can be twisted together, and the twisting should be ensured to be tight to increase contact area and connection strength, and after twisting, insulation treatment can be carried out by using insulation tape or heat shrink tube. For occasions of large current, high vibration or long-term use, the twisted part may gradually loosen, which leads to increased contact resistance, affecting the stability and reliability of connection.

[0004] For higher requirement connection, two wires are connected together by welding method, to ensure that the welding point is smooth and firm, without defects such as false welding and missing welding, and after welding, insulation treatment is carried out. Welding connection is a permanent connection method, once welding is completed, if cable needs to be repaired or replaced, the disassembly process is difficult, and usually the welding point needs to be damaged, which may cause partial damage of cable, and cable needs to be connected or replaced again. SUMMARY

[0005] The utility model discloses in order to solve the problem in the prior art, provide a kind of cable connector of welding cabinet, the device solves the problem that cable is loose in long-term use due to vibration, stretching and other external force, and improve the convenience of installation, disassembly.

[0006] To solve the above problems, the following technical solutions are provided:

[0007] The utility model discloses a cable connector of a welding cabinet, which comprises a first connecting piece and a second connecting piece, the first connecting piece is arranged in a hollow shape at one end to form a hollow chamber, a plug-in connector is fixedly arranged in the hollow chamber, the plug-in connector extends to the outside of the first connecting piece along the length direction of the first connecting piece, and the other end of the first connecting piece is provided with a first cavity for inserting a cable; the other end of the second connecting piece is provided with a second cavity for inserting a cable, and the other end of the second connecting piece is provided with a recess matched with the plug-in connector; a first limiting rod is arranged in the recess, the upper end of the plug-in connector is provided with an annular groove matched with the first limiting rod, and the end of the plug-in connector away from the first connecting piece is provided with a notch, so that when the plug-in connector enters the recess, the first limiting rod is clamped in the annular groove, and the first connecting piece and the second connecting piece are fixedly connected by rotating the first connecting piece.

[0008] In the above scheme, one cable is inserted into the first cavity, another cable is inserted into the second cavity, and the plug-in connector is inserted into the recess. The annular groove and the first limiting rod are clamped, the first connecting piece is rotated, the first connecting piece and the second connecting piece are fixedly connected, and the cable system has good electrical performance, especially in high-current and high-voltage environments. The device does not require complex tools and professional skills, and can quickly complete the cable connection, greatly saving installation time and labor cost. It is suitable for use in construction sites or environments where cable connection is frequently required. The annular groove and the first limiting rod are clamped, which is convenient for disassembly and does not cause permanent damage to the cable. It is convenient for repeated use, reduces maintenance cost and time.

[0009] The plug-in connector inside the first connecting piece is arranged in a hollow shape to form a first cavity, a spring is arranged in the first cavity, a long slot is arranged on the outer wall of the plug-in connector along the length direction of the plug-in connector, the long slot is located at the notch and communicates with the first cavity, a sliding block is slidably connected in the long slot, the other end of the sliding block abuts against the spring, a fixed block is arranged on the side of the sliding block away from the long slot, and a pushing piece is slidably connected to the first connecting piece and fixedly connected with the fixed block.

[0010] In the above scheme, when the plug-in connector is inserted into the cavity, the pushing piece is slid, the sliding block compresses the spring, the first limiting rod is clamped in the annular groove, the pushing piece is released, the one end of the sliding block abuts against the first limiting rod to prevent the first connecting piece from falling off, and the first connecting piece and the second connecting piece are fixedly connected by rotating the first connecting piece.

[0011] The second limiting rod is arranged in the hollow chamber, and the section of the plug connector inside the first connecting piece is provided with a positioning groove matched with the second limiting rod.

[0012] In the above scheme, the second limiting rod is clamped into the positioning groove, so that the plug connector is fixed in the hollow chamber.

[0013] The first connecting piece and the second connecting piece are copper connecting pieces.

[0014] In the above scheme, the copper connecting piece can effectively reduce the resistance at the connection, reduce energy loss and heat, and ensure efficient power transmission.

[0015] The first connecting piece is provided with a first insulating sleeve outside, the second connecting piece is provided with a second insulating sleeve outside, the first insulating sleeve and the first connecting piece are connected by a first bolt to form a front connecting piece, and the second insulating sleeve and the second connecting piece are connected by a second bolt to form a tail connecting piece.

[0016] In the above scheme, the first insulating sleeve and the second insulating sleeve can effectively prevent electric leakage and short circuit accidents, provide reliable insulation protection, and ensure the safety of personnel and equipment.

[0017] The section of the first connecting piece outside the first cavity is provided with a first wave bead screw for pressing the cable, and the section of the second connecting piece outside the second cavity is provided with a second wave bead screw for pressing the cable.

[0018] In the above scheme, when the cable is inserted into the first cavity, the first wave bead screw is tightened to press the cable.

[0019] The second insulating sleeve is hinged with a cap at one end close to the recess.

[0020] In the above scheme, the cap is used for dust prevention to avoid short circuit.

[0021] The above scheme has the following advantages:

[0022] The utility model discloses a first connecting piece and second connecting piece's setting, insert one cable into the first cavity, insert another cable into the second cavity, then insert the plug connector into the recess inside, and the annular recess is hinged with the first limit rod, rotates the first connecting piece, makes the first connecting piece and second connecting piece present fixed cooperation, ensures that in the long -term use process, will not be loose because of vibration, stretching and other external force, effectively reduces the contact resistance, reduces the heating and the failure risk, and the first connecting piece and second connecting piece are all conductive material, can guarantee larger contact area, makes the current distribution even, thereby reduces the resistance, reduces the electric energy loss, improves the overall electrical performance of cable system, especially suitable for the occasion of large current, high voltage, through the device, need not complicated tool and professional skill, relatively simple operation can be completed cable connection fast, greatly saves installation time and manpower cost, is fit for using in the construction site or the environment that needs frequently cable connection, the annular recess is hinged with the first limit rod, and the convenient dismounting does not cause permanent damage to the cable, is convenient for repeated use, reduces maintenance cost and time. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to make the content of the utility model more easily be clearly understood, the following according to the specific embodiment of the utility model and combining with the drawings, the utility model is further detailed, wherein:

[0024] Figure 1 It is a kind of cable connector structure diagram of welding cabinet;

[0025] Figure 2 It is a kind of cable connector section view of welding cabinet;

[0026] Figure 3 It is a kind of front end connecting piece structure diagram in the cable connector of welding cabinet;

[0027] Figure 4 It is a kind of first connecting piece structure diagram in the cable connector of welding cabinet;

[0028] Figure 5 It is Figure 4 Sectional view;

[0029] Figure 6 It is a kind of tail connecting piece structure diagram in the cable connector of welding cabinet;

[0030] Figure 7 It is a kind of second connecting piece structure diagram in the cable connector of welding cabinet;

[0031] Figure 8 It is Figure 7 Sectional view;

[0032] Explanation of reference signs: 1, first connecting piece; 2, second connecting piece; 3, plug; 4, first cavity; 5, recess; 6, second cavity; 7, first limiting rod; 8, annular groove; 9, notch; 10, spring; 11, sliding block; 12, fixed block; 13, pusher; 14, second limiting rod; 15, first insulating sleeve; 16, second insulating sleeve; 17, first bolt; 18, second bolt; 19, first wave bead screw; 20, second wave bead screw; 21, cap. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. 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 protection of the utility model.

[0034] In specific embodiment 1, as shown in the drawings, Figures 1-5 The cable connector of the welding cabinet of the utility model includes a first connecting piece 1 and a second connecting piece 2. One end of the first connecting piece 1 is arranged in a hollow shape, forming a hollow chamber. A plug 3 is fixedly arranged in the hollow chamber. The plug 3 extends to the outside of the first connecting piece 1 along the length direction of the first connecting piece 1. The other end of the first connecting piece 1 is provided with a first cavity 4 for inserting a cable. Figures 6-8 As shown in the drawings, one end of the second connecting piece 2 is provided with a recess 5 matched with the plug 3. The other end of the second connecting piece 2 is provided with a second cavity 6 for inserting a cable.

[0035] The first limiting rod 7 is arranged in the recess 5, and the upper end of the plug-in connector 3 is provided with an annular groove 8 matched with the first limiting rod 7, and the end of the plug-in connector 3 away from the first connecting piece 1 is provided with a notch 9, so that when the plug-in connector 3 enters the recess 5, the first limiting rod 7 is clamped into the annular groove 8. By arranging the first connecting piece 1 and the second connecting piece 2, one cable is inserted into the first cavity 4, another cable is inserted into the second cavity 6, and then the plug-in connector 3 is inserted into the recess 5. The annular groove 8 is clamped with the first limiting rod 7, the first connecting piece 1 is rotated, the first connecting piece 1 and the second connecting piece 2 are fixedly connected, and the connection is not loose due to vibration, stretching and other external forces in the long-term use process, effectively reducing the contact resistance, reducing the risk of heating and failure. The first connecting piece 1 and the second connecting piece 2 are both made of conductive material, which can ensure a large contact area, so that the current is uniformly distributed, thereby reducing the resistance, reducing the power loss, improving the overall electrical performance of the cable system, and being especially suitable for high-current and high-voltage occasions. By using the device, complex tools and professional skills are not required, the operation is relatively simple, the cable connection can be quickly completed, the installation time and labor cost are greatly saved, it is suitable for use in construction sites or environments requiring frequent cable connection, the annular groove 8 is clamped with the first limiting rod 7, the device is convenient to disassemble, does not cause permanent damage to the cable, is convenient to reuse, and reduces the maintenance cost and time.

[0036] As shown in Figure 5 , the part of the plug-in connector 3 inside the first connecting piece 1 is arranged in a hollow state to form a first chamber, the spring 10 is arranged in the first chamber, the outer wall surface of the plug-in connector 3 is provided with a long slot along the length direction, the long slot is located at the notch 9 and communicates with the first chamber, the sliding block 11 is arranged in the long slot, the sliding block 11 is slidably connected with the long slot, the other end of the sliding block 11 abuts against the spring 10, the fixed block 12 is fixedly connected to the side of the sliding block 11 away from the long slot, the sliding groove is arranged on the first connecting piece 1, the pusher 13 matched with the sliding groove is slidably connected in the sliding groove, and the pusher 13 is fixedly connected with the fixed block 12. When the plug-in connector 3 is inserted into the cavity, the pusher 13 is slid, the spring 10 is compressed by the sliding block 11, the first limiting rod 7 can be clamped into the annular groove 8, the pusher 13 is loosened, the one end of the sliding block 11 abuts against the first limiting rod 7 to prevent the first connecting piece 1 from falling off, and the first connecting piece 1 and the second connecting piece 2 are fixedly connected by rotating the first connecting piece 1. The second limiting rod 14 is arranged in the hollow chamber, and the part of the plug-in connector 3 inside the first connecting piece 1 is provided with a positioning groove matched with the second limiting rod 14. The second limiting rod 14 is clamped into the positioning groove, so that the plug-in connector 3 is fixed in the hollow chamber.

[0037] As shown in Figure 3 , 4As shown, the first connecting piece 1 outside the first cavity 4 is provided with a first wave bead screw 19 for pressing the cable, and the first wave bead screw 19 is tightened when the cable is inserted into the first cavity 4, thereby pressing the cable; the first connecting piece 1 is provided with a first insulation sleeve 15, and the first insulation sleeve 15 is connected with the first connecting piece 1 through a first bolt 17, thereby forming a front connecting piece.

[0038] As shown in Figure 6 , 7 As shown, the second connecting piece 2 outside the second cavity 6 is provided with a second wave bead screw 20 for pressing the cable, and the second wave bead screw 20 is tightened when the cable is inserted into the second cavity 6, thereby pressing the cable; the second connecting piece 2 is provided with a second insulation sleeve 16, and the second insulation sleeve 16 is connected with the second connecting piece 2 through a second bolt 18, thereby forming a tail connecting piece; through the setting of the first insulation sleeve 15 and the second insulation sleeve 16, the leakage and short circuit accidents can be effectively prevented, reliable insulation protection is provided, and the safety of personnel and equipment is ensured.

[0039] In a specific embodiment 2, the difference between this embodiment and embodiment 1 is that the first connecting piece 1 and the second connecting piece 2 in this embodiment are copper connecting pieces, which can effectively reduce the resistance at the connecting position, reduce energy loss and heat, and ensure efficient power transmission.

[0040] In a specific embodiment 3, as shown in Figure 6 The difference between this embodiment and embodiments 1 and 2 is that the second insulation sleeve 16 in this embodiment is hinged with a cap 21 at one end close to the recess 5, which is used for dust prevention and to avoid short circuit.

[0041] In operation, first insert a cable into the first cavity 4 and tighten the first wave bead screw 19, then connect the first insulation sleeve 15, insert another cable into the second cavity 6 and tighten the second wave bead screw 20, then connect the second insulation sleeve 16, then insert the plug-in head 3 in the first connecting piece 1 into the recess 5 of the second connecting piece 2, manually slide the pusher 13 away from the second connecting piece 2, thereby driving the sliding block 11 to compress the spring 10, so that one end of the sliding block 11 is away from the annular groove 8, at this time, rotate the first connecting piece 1, so that the first limiting rod 7 can slide into the annular groove 8 from the gap 9 of the plug-in head 3, then rotate the first connecting piece 1, loosen the pusher 13, and the sliding block 11 can abut against the lower end of the first limiting rod 7, thereby fixing the first connecting piece 1 and the second connecting piece 2; then manually slide the pusher 13 away from the second connecting piece 2, and rotate the first connecting piece 1, so that the first limiting rod 7 in the annular groove 8 is separated from the gap 9 of the plug-in head 3, thereby realizing the quick connection and quick disconnection of the cable.

[0042] In the description of the utility model, need understanding is, the orientation or position relation indicated by the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientation or position relation 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 device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as limiting the utility model. In the description of the utility model, unless otherwise specified and limited, it needs to be explained that the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be mechanical connection or electrical connection, it can be the communication of the internal two elements, it can be directly connected, or indirectly connected through an intermediate medium, and for ordinary skilled persons in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0043] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments, and for ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description, and it is not necessary and impossible to enumerate all the embodiments here, and the obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A cable connector for a welding cabinet, characterized in that, Includes a first connector (1) and a second connector (2). One end of the first connector (1) is hollow, forming a hollow cavity. A plug (3) is fixedly installed in the hollow cavity. The plug (3) extends along the length of the first connector (1) to the outside of the first connector (1). The other end of the first connector (1) is provided with a first cavity (4) for inserting a cable. One end of the second connector (2) is provided with a recess (5) that matches the plug (3). The other end is provided with a second cavity (6) for inserting a cable; a first limiting rod (7) is provided in the recess (5); the upper end of the plug (3) is provided with an annular groove (8) that is adapted to the first limiting rod (7); a notch (9) is provided at the end of the plug (3) away from the first connector (1) so that when the plug (3) enters the recess (5), the first limiting rod (7) can be inserted into the annular groove (8); the first connector (1) and the second connector (2) are both made of conductive materials.

2. The cable connector for a welding cabinet as described in claim 1, characterized in that, The plug (3) located inside the first connector (1) is hollow and forms a first chamber. A spring (10) is provided in the first chamber. A long groove is provided on the outer wall of the plug (3) along its length direction. The long groove is located at the notch (9) and communicates with the first chamber. A sliding block (11) is slidably connected in the long groove. The other end of the sliding block (11) abuts against the spring (10). A fixing block (12) is provided on the side of the sliding block (11) away from the long groove. A pusher (13) is slidably connected on the first connector (1). The pusher (13) is fixedly connected to the fixing block (12).

3. The cable connector for a welding cabinet as described in claim 1, characterized in that, The hollow cavity is provided with a second limiting rod (14), and the plug (3) located inside the first connector (1) is provided with a positioning groove that is compatible with the second limiting rod (14).

4. The cable connector for a welding cabinet as described in claim 1, characterized in that, Both the first connector (1) and the second connector (2) are copper connectors.

5. The cable connector for a welding cabinet as described in claim 1, characterized in that, The first connector (1) is provided with a first insulating sleeve (15), and the second connector (2) is provided with a second insulating sleeve (16). The first insulating sleeve (15) and the first connector (1) are connected by a first bolt (17) to form a front end connector, and the second insulating sleeve (16) and the second connector (2) are connected by a second bolt (18) to form a tail end connector.

6. The cable connector for a welding cabinet as described in claim 1, characterized in that, The first connector (1) outside the first cavity (4) is provided with a first ball screw (19) for clamping the cable, and the second connector (2) outside the second cavity (6) is provided with a second ball screw (20) for clamping the cable.

7. A cable connector for a welding cabinet as described in claim 5, characterized in that, The second insulating sleeve (16) has a cap (21) hinged to one end near the recess (5).

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