CN-224231886-U - Wire withstand voltage tester
Abstract
The utility model belongs to the technical field of testers, and particularly relates to a wire withstand voltage tester which comprises a withstand voltage tester body and a first connecting component, wherein the first connecting component is inserted into one end of the withstand voltage tester body, a second connecting component is inserted into one end of the withstand voltage tester body, the second connecting component comprises a test head and a second connecting lead, and one end of the test head is fixedly connected with the second connecting lead. According to the utility model, a certain voltage is applied to the cable by the pressure-resistant tester body, so that the pressure resistance of the cable is detected, the protective cover is arranged outside the test head to protect the test head, the damage to the end part of the first connecting component and the end part of the test head caused by mistaken contact during testing is avoided, the protective cylinder moves backwards during wiring, the normally-closed push type switch is extruded by the extrusion flange, and at the moment, the normally-closed push type switch is pushed to be broken, namely, when the end part of the probe is exposed, the probe is not electrified, and the safety is improved.
Inventors
- Mai Qingle
Assignees
- 东莞市逸丰仪表配件有限公司
Dates
- Publication Date
- 20260512
- Application Date
- 20250422
Claims (8)
- 1. The wire withstand voltage tester comprises a withstand voltage tester body (1) and a first connecting component (2), and is characterized in that the first connecting component (2) is inserted into one end of the withstand voltage tester body (1), a second connecting component (3) is inserted into one end of the withstand voltage tester body (1), the second connecting component (3) comprises a test head (31) and a second connecting lead (32), one end of the test head (31) is fixedly connected with the second connecting lead (32), one end of the second connecting lead (32) is inserted into one end of the withstand voltage tester body (1), a protective cover (33) is slidably connected to the side wall of the test head (31), and a spring (34) is arranged between the test head (31) and the protective cover (33).
- 2. The wire withstand voltage tester according to claim 1, wherein the first connecting component (2) comprises a first connecting lead (21), one end of the first connecting lead (21) is fixedly connected with a wire clamp (22), and the other end of the first connecting lead (21) is spliced with one end of the withstand voltage tester body (1).
- 3. The wire withstand voltage tester according to claim 2, wherein the test head (31) comprises an insulating handle (311), a probe (312) is fixedly connected to one end of the insulating handle (311), a normally-closed push switch (313) is arranged on the side wall of the insulating handle (311), and the probe (312) is electrically connected with the second connecting lead (32) through the normally-closed push switch (313).
- 4. The wire withstand voltage tester as claimed in claim 3, wherein the side wall of the insulating handle (311) is fixedly connected with a circular ring (314), the spring (34) is sleeved on the side wall of the insulating handle (311), and one end of the spring (34) is fixedly connected with one end of the circular ring (314).
- 5. The wire withstand voltage tester according to claim 4, wherein the second connecting lead (32) comprises a sliding sleeve (331) arranged outside the insulating handle (311), one end of the sliding sleeve (331) is fixedly communicated with a protection cylinder (332), one end of the insulating handle (311) is slidably connected inside the protection cylinder (332), and one end of the spring (34) is in contact connection with one end of the inner wall of the sliding sleeve (331).
- 6. The wire withstand voltage tester as claimed in claim 5, wherein the side wall of the insulating handle (311) is provided with equidistant sliding grooves (315), one end of each sliding groove (315) is provided with an arc-shaped groove (316), the inner wall of the protection cylinder (332) is fixedly connected with equidistant sliding blocks (333), and a plurality of sliding blocks (333) are respectively and slidably connected in a plurality of sliding grooves (315).
- 7. The wire pressure resistance tester according to claim 6, wherein one end of the inner wall of the sliding sleeve (331) is fixedly connected with an extrusion flange (337), and the longitudinal section of the extrusion flange (337) is wedge-shaped.
- 8. The wire withstand voltage tester of claim 7, wherein one end of the outer wall of the protection cylinder (332) is in threaded connection with a threaded cylinder (334), one end of the threaded cylinder (334) is fixedly connected with a diameter-including cylinder (336), one end of the protection cylinder (332) is fixedly connected with a limit flange (335), and the limit flange (335) is arranged inside the diameter-including cylinder (336).
Description
Wire withstand voltage tester Technical Field The utility model belongs to the technical field of testers, and particularly relates to a wire withstand voltage tester. Background The wire withstand voltage test is to test the wire with high voltage to check if the insulation performance meets the requirement, ensure the wire to transmit electric energy safely and reliably in the normal use process, and includes the steps of connecting equipment, setting parameters, starting test and recording results. When the cable is tested, the tester needs to apply higher voltage to the cable, and the commonly used tester has a longer exposed part at two ends connected with the cable, in actual operation, when the end is electrified, the exposed part of the end is easily touched by mistake, so that short circuit is easy to generate, and a certain danger exists. Disclosure of utility model The utility model aims to provide a wire withstand voltage tester which can protect a test head and avoid damage caused by mistakenly touching the end part of a first connecting component and the end part of the test head during testing so as to solve the problems in the prior art. In order to achieve the purpose, the wire withstand voltage tester comprises a withstand voltage tester body and a first connecting component, wherein the first connecting component is inserted into one end of the withstand voltage tester body, one end of the withstand voltage tester body is inserted into a second connecting component, the second connecting component comprises a test head and a second connecting lead, one end of the test head is fixedly connected with the second connecting lead, one end of the second connecting lead is inserted into one end of the withstand voltage tester body, the side wall of the test head is slidably connected with a protective cover, and a spring is arranged between the test head and the protective cover. Further, the first connecting assembly comprises a first connecting lead, one end of the first connecting lead is fixedly connected with a wire clamp, and the other end of the first connecting lead is spliced with one end of the pressure-resistant tester body. Further, the test head comprises an insulation handle, one end of the insulation handle is fixedly connected with a probe, a normally-closed push type switch is arranged on the side wall of the insulation handle, and the probe is electrically connected with a second connecting lead through the normally-closed push type switch. Further, the side wall of the insulating handle is fixedly connected with a circular ring, the spring is sleeved on the side wall of the insulating handle, and one end of the spring is fixedly connected with one end of the circular ring. Further, the second connecting lead comprises a sliding sleeve arranged outside the insulating handle, one end of the sliding sleeve is fixedly communicated with the protective cylinder, one end of the insulating handle is slidably connected inside the protective cylinder, and one end of the spring is in contact connection with one end of the inner wall of the sliding sleeve. Further, the lateral wall of insulating handle is provided with the spout of equidistance distribution, the one end of spout is provided with the arc wall, the inner wall fixedly connected with equidistance distribution's of protection section of thick bamboo slider, a plurality of slider sliding connection respectively is in a plurality of the inside of spout. Further, one end of the inner wall of the sliding sleeve is fixedly connected with an extrusion flange, and the longitudinal section of the extrusion flange is wedge-shaped. Further, one end threaded connection of protection section of thick bamboo outer wall has a screw thread section of thick bamboo, the one end fixedly connected with of screw thread section of thick bamboo draws together a footpath section of thick bamboo, the one end fixedly connected with limit flange of protection section of thick bamboo, limit flange sets up in drawing together the inside of footpath section of thick bamboo. Compared with the prior art, the pressure-resistant tester has the beneficial effects that the pressure-resistant tester body applies certain voltage to the cable, so that the pressure resistance of the cable is detected, the protective cover is arranged outside the test head to protect the test head, the damage to the end part of the first connecting component and the end part of the test head caused by mistaken contact during testing is avoided, the protective cylinder moves backwards during wiring, the normally-closed pressing type switch is extruded by the extrusion flange, and at the moment, the normally-closed pressing type switch is pressed and disconnected, namely, when the end part of the probe is exposed, the probe is not electrified, and the safety is improved. Drawings FIG. 1 is a schematic perspective view of the present utility model; FIG. 2 is a front view of the present