Quick connecting device for cable detection test

Abstract

The utility model discloses a quick connecting device for a cable detection test, which comprises a connecting rod, a connecting part is movably arranged at the front end of the connecting rod, an internal thread through groove is formed in the connecting rod, one end of the internal thread through groove is penetrated by a first screw rod, and the first screw rod is screwed with the internal thread through groove in a threaded manner; a first smooth through groove is formed in the first screw rod, an internal thread block provided with an internal thread hole is fixedly arranged at one end of the first smooth through groove, a second screw rod penetrates through the internal thread block, the second screw rod is screwed with the first smooth through groove in a threaded mode, a fixing mechanism is arranged at the end of the second screw rod, and the first screw rod and the second screw rod are made of insulating materials. According to the utility model, the fixing mechanism is arranged at the end part of the screw rod II, and the fixing mechanism can fix cables with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of cable detection and connection equipment, in particular to a quick connection device for cable detection tests. Background Art

[0002] Before the power cable line is put into use, the cable needs to be effectively tested to ensure the reliable and safe operation of the cable. The patent with patent announcement number CN215066794U discloses a quick connection device for cable detection test. Although the quick connection device for cable detection test is simple in structure and easy to use, the main shaft is driven by rotating the handle to clamp the metal claw in the T-type plug-in head, so that the metal wire can be directly plugged into the second connection part to complete the circuit connection, avoiding the inconvenience caused by repeated use of wire clamps, thereby changing the existing contact method, greatly reducing the number of repeated operations of the wire clamp and the influence of the "clamping" of the wire clamp, facilitating the operation of test personnel, and improving work efficiency and test reliability. However, the copper bolts through the socket need to be replaced according to cables of different sizes and the cable and the copper bolt top core may also have poor contact. Utility Model Content

[0003] 1. Technical problems solved

[0004] In view of the deficiencies of the prior art, the utility model provides a quick connection device for cable detection testing. Fixing mechanisms are provided at both ends of the screw rod, and the fixing mechanisms can fix cables of different sizes, thus solving the problems raised by the background technology.

[0005] 2. Technical solution

[0006] A quick connection device for cable detection testing comprises a connecting rod, a connecting portion is movably provided at the front end of the connecting rod, an internal threaded through groove is provided in the connecting rod, one end of the internal threaded through groove is penetrated by a screw rod and the screw rod is threadedly screwed with the internal threaded through groove, a smooth through groove is provided in the screw rod, an internal thread block with an internal threaded hole is fixedly provided at one end of the smooth through groove, the internal thread block is penetrated by a screw rod and the screw rod is threadedly screwed with the smooth through groove, a fixing mechanism is provided at the end of the screw rod, and the material of the screw rod is insulating material.

[0007] Preferably, the fixing mechanism includes a fixing block, a bolt, a through hole and a second internal threaded hole, the fixing mechanism is provided with a through hole, the second screw rod is provided with a smooth through groove second, the smooth through groove second is connected with the through hole, the cross-sectional radius of the through hole is smaller than the cross-sectional radius of the smooth through groove second, the fixing block is also provided with a second internal threaded hole connected with the through hole, the second internal threaded hole is screwed with the bolt thread, and the distance from a side of the fixing block away from the second internal threaded hole to the second internal threaded hole away from the fixing block is smaller than the cross-sectional radius of the second screw rod.

[0008] Preferably, one end of the screw rod away from the smooth through groove is penetrated by the copper top block and fixedly connected to the copper top block. A copper block is arranged in the smooth through groove, and the copper block and the copper top block are connected by a metal spring.

[0009] Preferably, the connecting rod passes through one end of the insulating cylinder and is fixedly connected to the insulating cylinder, the connecting portion is arranged in the insulating cylinder, and the insulating cylinder is made of insulating material.

[0010] Preferably, the screw rod 1 passes through the holding tube 1 and is fixedly connected to the holding tube 1, the screw rod 2 passes through the holding tube 2 and is fixedly connected to the holding tube 2, and the holding tube 1 and the holding tube 2 are made of insulating material.

[0011] Preferably, a plurality of hinged seats are provided at the end of the connecting rod, and the connecting part includes a metal claw hinged to the hinged seat at the end of the connecting rod, a fixing ring is provided on the outer end face of the metal claw, a tension spring is provided outside the metal claw, and the tension spring is arranged outside the metal claw through the fixing ring.

[0012] 3. Beneficial effects

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The two ends of the screw are provided with fixing mechanisms, which can fix cables of different sizes;

[0015] 2. After the connecting part is inserted into the T-type plug or the cable copper nose, the insulating tube is located outside the T-type plug or the cable copper nose.

[0016] During the cable detection test, the metal claw will be charged, and the insulating tube protects the metal claw to prevent people from accidentally touching the metal claw during the cable detection test and causing harm to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a partial structural sectional view of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the connection part of the utility model;

[0020] Figure 4 This is a cross-sectional view of the structure of the utility model;

[0021] Figure 5 This is a cross-sectional view of the screw structure of the utility model;

[0022] Figure 6This is a cross-sectional view of the second structure of the screw rod of the utility model;

[0023] Figure 7 This is a cross-sectional view of the fixing mechanism structure of the utility model;

[0024] Figure 8 It is a side view of the structure of the utility model.

[0025] In the figure: 1, connecting rod; 2, screw rod 1; 3, screw rod 2; 4, connecting part; 5, insulating tube; 6, fixing mechanism; 7, copper top block; 8, metal spring; 9, holding tube 1; 10, holding tube 2; 101, internal threaded through groove; 201, smooth through groove 1; 202, internal threaded block; 203, copper block; 301, smooth through groove 2; 401, metal claw; 402, fixing ring; 403, tension spring; 601, fixing block; 602, bolt; 6011, through hole; 6012, second internal threaded hole. DETAILED DESCRIPTION

[0026] 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.

[0027] Example

[0028] Reference Figure 1-8 As shown,

[0029] A quick connection device for cable detection test, comprising a connecting rod 1, wherein the front end of the connecting rod 1 is movably provided with a connecting portion 4, an internal threaded through groove 101 is provided in the connecting rod 1, one end of the internal threaded through groove 101 is penetrated by a screw rod 2 and the screw rod 2 is threadedly screwed with the internal threaded through groove 101, a smooth through groove 201 is provided in the screw rod 2, an internal threaded block 202 with an internal threaded hole is fixedly provided at one end of the smooth through groove 201, the internal threaded block 202 is penetrated by a screw rod 3 and the screw rod 3 is threadedly screwed with the smooth through groove 201, a fixing mechanism 6 is provided at the end of the screw rod 3, the material of the screw rod 2 and the screw rod 3 is an insulating material, a plurality of hinged seats are provided at the end of the connecting rod 1, and the connecting portion 4 is provided. It comprises a metal claw 401 hinged to the hinge seat at the end of the connecting rod 1, a fixing ring 402 is provided on the outer end face of the metal claw 401, a tension spring 403 is provided outside the metal claw 401, and the tension spring 403 is arranged outside the metal claw 401 through the fixing ring 402, the screw rod 2 passes through the gripping tube 9 and is fixedly connected to the gripping tube 9, the screw rod 23 passes through the gripping tube 210 and is fixedly connected to the gripping tube 210, the gripping tube 9 and the gripping tube 210 are made of insulating material, the end of the screw rod 2 away from the smooth through groove 201 is penetrated by the copper top block 7 and is fixedly connected to the copper top block 7, a copper block 203 is provided in the smooth through groove 201, and the copper block 203 is connected to the copper top block 7 through a metal spring 8;

[0030] A fixing mechanism 6 is provided at the end of the screw rod 23 of the connecting device, and the fixing mechanism 6 can fix cables of different sizes. When the connecting device is used, the connecting part 4 is inserted into the T-type plug head or the cable copper nose, and then the holding tube 9 is held to rotate the screw rod 2 to drive the copper top block 7 to lift the metal claw 401, so that the metal claw 401 is tightly pressed against the T-type plug head or the cable copper nose to complete the fixation of the connecting part 4 and the T-type plug head or the cable copper nose.

[0031] The fixing mechanism 6 includes a fixing block 601, a bolt 602, a through hole 6011 and a second internal threaded hole 6012. The fixing mechanism 6 is provided with a through hole 6011. The second screw rod 3 is provided with a second smooth through groove 301. The second smooth through groove 301 is connected with the through hole 6011. The tangent radius of the through hole 6011 is smaller than the tangent radius of the second smooth through groove 301. The fixing block 601 is also provided with a second internal threaded hole 6012 connected with the through hole 6011. The second internal threaded hole 6012 is threadedly engaged with the bolt 602. The distance from a side of the fixing block 601 away from the second internal threaded hole 6012 to the second internal threaded hole 6012 away from the fixing block 601 is smaller than the tangent radius of the second screw rod 3.

[0032] After completing the fixation of the connecting rod 1 and the T-type plug connector or the cable copper nose, remove the screw 23, and insert the cable through the end of the smooth through groove 2301 away from the fixing mechanism 6, so that the cable passes through the end of the fixing block 601 away from the screw 23, and then turn the bolt 602 to fix the cable, and then pass the fixing mechanism 6 with the cable through the internal threaded hole opened in the internal thread block 202, and then hold the holding tube 210, so that the screw 23 drives the cable to approach the copper block 203 and move the copper block 203 to compress the metal spring 8, so that the cable and the copper block 203 are in good contact.

[0033] The connecting rod 1 passes through one end of the insulating tube 5 and is fixedly connected to the insulating tube 5. The connecting portion 4 is arranged in the insulating tube 5. The insulating tube 5 is made of insulating material.

[0034] After the connecting portion 4 is inserted into the T-shaped plug or the cable copper nose, the insulating tube 5 is located outside the T-shaped plug or the cable copper nose.

[0035] During the cable detection test, the metal claw 401 will be charged, and the insulating tube 5 protects the metal claw 401 to prevent people from accidentally touching the metal claw 401 and causing harm during the cable detection test.

[0036] Although the 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 quick connection device for cable detection test, comprising a connecting rod (1), wherein a connecting portion (4) is movably provided at the front end of the connecting rod (1), characterized in that: The connecting rod (1) is provided with an internal threaded groove (101), one end of which is penetrated by a screw rod (2) and the screw rod (2) is threadedly engaged with the internal threaded groove (101), the screw rod (2) is provided with a smooth groove (201), one end of which is fixedly provided with an internal threaded block (202) having an internal threaded hole, the internal threaded block (202) is penetrated by a screw rod (3) and the screw rod (3) is threadedly engaged with the smooth groove (201), a fixing mechanism (6) is provided at the end of the screw rod (3), and the materials of the screw rod (2) and the screw rod (3) are insulating materials.

2. A quick connection device for cable detection test according to claim 1, characterized in that: The fixing mechanism (6) comprises a fixing block (601), a bolt (602), a through hole (6011) and a second internal threaded hole (6012). The fixing mechanism (6) is provided with a through hole (6011). The second screw rod (3) is provided with a second smooth through groove (301). The second smooth through groove (301) is connected to the through hole (6011). The cross-sectional radius of the through hole (6011) is smaller than the cross-sectional radius of the second smooth through groove (301). The fixing block (601) is further provided with a second internal threaded hole (6012) connected to the through hole (6011). The second internal threaded hole (6012) is threadedly engaged with the bolt (602). The distance from a surface of the fixing block (601) away from the second internal threaded hole (6012) to a surface of the second internal threaded hole (6012) away from the fixing block (601) is smaller than the cross-sectional radius of the second screw rod (3).

3. A quick connection device for cable detection test according to claim 1, characterized in that: One end of the screw rod 1 (2) away from the smooth through groove 1 (201) is penetrated by the copper top block (7) and is fixedly connected to the copper top block (7); a copper block (203) is arranged in the smooth through groove 1 (201); the copper block (203) and the copper top block (7) are connected via a metal spring (8).

4. A quick connection device for cable detection test according to claim 1, characterized in that: The connecting rod (1) passes through one end of the insulating tube (5) and is fixedly connected to the insulating tube (5); the connecting portion (4) is arranged inside the insulating tube (5); and the insulating tube (5) is made of an insulating material.

5. A quick connection device for cable detection test according to claim 1, characterized in that: The screw rod 1 (2) passes through the holding tube 1 (9) and is fixedly connected to the holding tube 1 (9), and the screw rod 2 (3) passes through the holding tube 2 (10) and is fixedly connected to the holding tube 2 (10). The holding tube 1 (9) and the holding tube 2 (10) are made of insulating material.

6. A quick connection device for cable detection test according to claim 1, characterized in that: The end of the connecting rod (1) is provided with a plurality of hinged seats, the connecting portion (4) comprises a metal claw (401) hinged to the hinged seat at the end of the connecting rod (1), a fixing ring (402) is provided on the outer end surface of the metal claw (401), a tension spring (403) is provided outside the metal claw (401), and the tension spring (403) is arranged outside the metal claw (401) through the fixing ring (402).

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