CN117913688A - Device convenient to change protective tube - Google Patents
Device convenient to change protective tube Download PDFInfo
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- CN117913688A CN117913688A CN202410257236.7A CN202410257236A CN117913688A CN 117913688 A CN117913688 A CN 117913688A CN 202410257236 A CN202410257236 A CN 202410257236A CN 117913688 A CN117913688 A CN 117913688A
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- 230000001681 protective effect Effects 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 65
- 238000009413 insulation Methods 0.000 description 5
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- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
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- 239000011810 insulating material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The application provides a device convenient for replacing a protective tube, which comprises a first test wire, a second test wire, an elastic component, a clamping groove, a first state and a second state, wherein the first test wire and the second test wire are provided with a first end and a second end, respectively penetrate through a first connecting piece and a second connecting piece, are correspondingly provided with a first electrode and a second electrode, the device also comprises a rotating piece which is rotationally connected with the first end and the second electrode, a plurality of mounting through holes are formed in the rotating piece and are used for mounting the protective tube, the elastic component is clamped with the clamping groove in the first state, the two ends of the protective tube are electrically connected with the first electrode and the second electrode in the second state, and the elastic component is abutted with the end part of the rotating piece; the device can replace the burnt-out fuse tube in time, and avoids the condition that other components of the circuit are burnt out due to untimely replacement.
Description
Technical Field
The application relates to the technical field of transformer substation maintenance, in particular to a device convenient for replacing a protective tube.
Background
At present, in the process of overhauling or debugging a secondary circuit of a transformer substation, a relay protection line is required to be frequently used for carrying out work such as direct current terminal strip short-circuit transmission or alternating current terminal strip voltage parallel connection, because the widely used test line can appear a condition that one end of the test line is connected with a circuit (namely, one end of the test line is inserted into the live terminal strip) and the other end of the test line is free to drop in the actual use process, when a lead is grounded for a long time, the whole circuit system is easy to cause ground short circuit, dangers occur, in order to avoid the occurrence of the condition, a protective tube is generally arranged in the circuit, but after the protective tube is burnt, the burnt protective tube is required to be manually detached, and a new protective tube is arranged, but the installation process after the disassembly is long in time, if the circuit is not timely replaced by manpower, other components in the circuit can be lost, and even other components in the circuit can be burnt.
Disclosure of Invention
The present application aims to solve the above problems, and provides a device for facilitating replacement of a protective tube, comprising:
The first connecting piece is internally penetrated by a first test wire, and one end of the first test wire is provided with a first electrode;
the second connecting piece is internally penetrated by a second test wire, and one end of the second connecting piece is provided with a second electrode;
one end of the rotating piece is rotationally connected with the first connecting piece, and the other end of the rotating piece is rotationally connected with the second connecting piece; the rotating piece is provided with a rotating axis, a plurality of mounting through holes are formed in the rotating piece around the circumference of the rotating axis, and each mounting through hole is parallel to the rotating axis; a safety tube is arranged in the mounting through hole;
Elastic components are arranged on the first connecting piece and the second connecting piece, and a plurality of clamping grooves are correspondingly formed at two ends of the rotating piece around the circumference of the rotating axis;
the rotary member has a first state and a second state; when the rotating piece rotates to a first state, the elastic component is clamped with the corresponding clamping groove, and a safety tube of one mounting through hole in the rotating piece is connected with the first electrode and the second electrode; when the rotating piece rotates to a second state, the elastic component stretches out of the clamping groove and abuts against the end part of the rotating piece.
According to the technical scheme provided by the embodiment of the application, the rotating shaft extending along the first direction is arranged in the middle of the rotating member, and two ends of the rotating shaft are respectively connected with the first connecting member and the second connecting member in a rotating way.
According to the technical scheme provided by the embodiment of the application, the accommodating groove is formed in one surface, relatively close to the first connecting piece and the second connecting piece, of the elastic component, the elastic component comprises a first elastic piece which is arranged in the accommodating groove and stretches out and draws back along the first direction, a protrusion is arranged on one side, relatively close to the rotating piece, of the first elastic piece, and the protrusion is clamped with the clamping groove.
According to the technical scheme provided by the embodiment of the application, the bulge comprises the abutting part and the movable part which are arranged along the first direction, the accommodating groove comprises the first subsection and the second subsection which are arranged along the first direction, the diameter of the first subsection is larger than that of the second subsection, when the accommodating groove is in the first state, the abutting part abuts against one side, relatively close to the first subsection, of the second subsection, and when the accommodating groove is in the second state, the abutting part is separated from one side, relatively close to the first subsection, of the second subsection.
According to the technical scheme provided by the embodiment of the application, a temperature detector is further arranged in the rotating piece, and the temperature detector is used for detecting the temperature of the fuse wire in the fuse tube;
The temperature detector is in signal connection with an alarm, and when judging that the temperature of the fuse exceeds a set threshold value, the temperature detector sends a temperature signal to the alarm, and after receiving the temperature signal, the alarm sends an alarm signal.
According to the technical scheme provided by the embodiment of the application, a plug is arranged at one end of the first test wire, which is far away from the first connecting piece, and one end of the second test wire, which is far away from the second connecting piece, and a protection component for protecting the plug is further arranged outside the plug.
According to the technical scheme provided by the embodiment of the application, the protection component comprises an insulating grab handle arranged on the first test wire and the second test wire, and a sheath cap matched with the insulating grab handle for use.
According to the technical scheme provided by the embodiment of the application, the second elastic piece stretching along the extending direction of the plug is arranged in the insulating grab handle, one end of the second elastic piece is provided with the protective sleeve, one end of the protective sleeve extends out of the insulating grab handle, one end of the plug sequentially penetrates through the protective sleeve, the second elastic piece and the insulating grab handle and is electrically connected with the first test wire and the second test wire, and one end, relatively far away from the second elastic piece, of the plug extends out of the protective sleeve and is used for being connected with the outside.
According to the technical scheme provided by the embodiment of the application, the second elastic piece is provided with a third state and a fourth state, and when the second elastic piece is in the third state, the plug extends out of the sheath tube and is electrically connected with the electrified terminal strip; when in the fourth state, the plug is separated from the live terminal strip and enters the inside of the sheath tube.
Compared with the prior art, the application has the beneficial effects that: the device for replacing the safety tube comprises a first connecting piece and a second connecting piece, wherein a first test wire penetrates through the first connecting piece, a first electrode is arranged at one end of the first test wire, a second test wire penetrates through the second connecting piece, a second electrode is arranged at one end of the second test wire, a rotating piece which connects the first test wire and the second test wire is further arranged at one end of the second test wire, two ends of the rotating piece are respectively and rotatably connected with the first connecting piece and the second connecting piece, a plurality of mounting through holes which are circumferentially and uniformly arranged around the axis of the rotating piece are arranged in the rotating piece at intervals, the extending direction of each mounting through hole is parallel to the rotating axis, a safety tube is arranged in each mounting through hole, an elastic component is arranged on each of the first connecting piece and the second connecting piece, a plurality of clamping grooves are correspondingly arranged at two ends of the rotating piece around the rotating axis, the elastic component is clamped with the corresponding clamping grooves when the rotating piece rotates to the first state, and the safety tube of one mounting through hole in the rotating piece is connected with the first electrode and the second electrode; when the rotating piece rotates to a second state, the elastic component stretches out of the clamping groove and is abutted against the end part of the rotating piece, and when the rotating piece rotates, the safety tube in one of the mounting through holes in the rotating piece can be electrically connected with the first electrode and the second electrode, so that the safety tube can be replaced quickly;
In the use process, after the safety tube in the first mounting through hole connected with the first electrode and the second electrode is burnt out, the rotating piece is manually rotated, and under the action of external force, the rotating piece rotates relative to the first connecting piece and the second connecting piece, namely, rotates from a first state to a second state and then rotates to the first state, when the rotating piece rotates to the first state again, the safety tube in the second mounting through hole adjacent to the first mounting through hole is connected with the first electrode and the second electrode, and meanwhile, the elastic component is clamped with the next clamping groove adjacent to the first clamping groove, so that the safety tube in the next mounting through hole is electrically connected with the first electrode and the second electrode, and the quick replacement of the safety tube is realized;
through the structure of the application, after one of the protective tubes is burnt out, the protective tube can be replaced in time so as to protect other electrical elements and circuits of the circuit from being damaged and not to influence the work and production.
Drawings
FIG. 1 is a schematic diagram of a first test line and a second test line according to an embodiment of the present application;
Fig. 2 is a schematic structural diagram of a replacement unit according to an embodiment of the present application;
FIG. 3 is a side view of a replacement unit according to an embodiment of the present application;
FIG. 4 is a top view of a replacement unit according to an embodiment of the present application;
fig. 5 is an enlarged view of a portion a in fig. 3 according to an embodiment of the present application.
The text labels in the figures are expressed as: 1. a first test line; 2. a first connector; 3. a second test line; 4. a second connector; 5. a rotating member; 6. mounting through holes; 7. a clamping groove; 8. a rotating shaft; 9. a receiving groove; 10. a first elastic member; 11. a protrusion; 12. a plug; 13. an insulating handle; 14. a sheath cap; 15. a second elastic member; 16. a sheath tube; 17. an abutting portion; 18. a movable part; 19. a first subsection; 20. a second subsection.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present application, the following detailed description of the present application with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present application.
The first connecting piece 2 is internally penetrated by a first test wire 1, and one end of the first connecting piece 2 is provided with a first electrode;
The second connecting piece 4 is internally penetrated by a second test wire 3, and one end of the second connecting piece 4 is provided with a second electrode;
A rotating member 5, wherein one end of the rotating member 5 is rotatably connected with the first connecting member 2, and the other end of the rotating member 5 is rotatably connected with the second connecting member 4; the rotating member 5 has a rotation axis, and a plurality of mounting through holes 6 are provided on the rotating member 5 around the circumference of the rotation axis, each mounting through hole 6 being parallel to the rotation axis; a safety tube is arranged in the mounting through hole 6;
Elastic components are arranged on the first connecting piece 2 and the second connecting piece 4, and a plurality of clamping grooves 7 are correspondingly arranged at two ends of the rotating piece 5 around the circumference of the rotating axis;
The rotary 5 has a first state and a second state; when the rotating piece 5 rotates to a first state, the elastic component is clamped with the corresponding clamping groove 7, and a safety tube of one mounting through hole 6 in the rotating piece 5 is connected with the first electrode and the second electrode; when the rotating member 5 rotates to the second state, the elastic component extends out of the clamping groove 7 and abuts against the end of the rotating member 5.
Specifically, in this embodiment, as shown in fig. 1 and 2, the device for facilitating replacement of a safety tube provided by the application comprises a first test wire 1 and a second test wire 3, wherein one end of the first test wire 1 or the second test wire 3 is in short-circuit transmission with a direct-current terminal row or is connected with an alternating-current terminal row in parallel, and the like, the device for facilitating replacement of a safety tube provided by the application comprises a first test wire 1, the first test wire 1 is provided with a first end, a first electrode for conducting electricity is arranged on the first end, a first electrode is further arranged on the first end, a second test wire 3 matched with the first test wire 1 for conducting electricity is further arranged on the first end, the second test wire 3 is provided with a second end, a second connecting piece 4 is further arranged on the second test wire 3, the second end of the second test wire 3 penetrates through the second connecting piece 4, the second electrode is used for conducting electricity, a first connecting piece 1 and the second test wire 1 are provided with a first connecting piece 5, a rotatable connecting piece 5 is arranged in the first connecting piece 5 and a rotatable component 5 is arranged in the first connecting piece 6, the rotatable component is arranged in the first connecting piece is provided with the first connecting piece 5, the rotatable component is provided with the rotatable component 5, and is provided with the rotatable component 5 connecting piece 4, and is provided with the rotatable component 4, the two ends of the rotating member 5 are circumferentially around the rotating axis, a plurality of clamping grooves 7 are formed in positions corresponding to the elastic assemblies, the clamping grooves 7 extend along the first direction, the rotating member 5 has a first state and a second state, when the rotating member 5 rotates to the first state, the elastic assemblies are clamped with the corresponding clamping grooves 7, meanwhile, two ends of a safety tube of one mounting through hole 6 in the rotating member 5 are electrically connected with the first electrode and the second electrode, and when the rotating member 5 rotates to the second state, the elastic assemblies extend out of the clamping grooves 7 under the extrusion of the rotating member 5 and are abutted with the end portions of the rotating member 5.
In the use process, after the safety tube in the first mounting through hole connected with the first electrode and the second electrode is burnt out, the rotating piece is manually rotated, and under the action of external force, the rotating piece rotates relative to the first connecting piece and the second connecting piece, namely, rotates from a first state to a second state and then rotates to the first state, when the rotating piece rotates to the first state again, the safety tube in the second mounting through hole adjacent to the first mounting through hole is connected with the first electrode and the second electrode, and meanwhile, the elastic component is clamped with the next clamping groove adjacent to the first clamping groove, so that the safety tube in the next mounting through hole is electrically connected with the first electrode and the second electrode, and the quick replacement of the safety tube is realized;
through the structure of the application, after one of the protective tubes is burnt out, the protective tube can be replaced in time so as to protect other electrical elements and circuits of the circuit from being damaged and not to influence the work and production.
Further, a rotation shaft 8 extending along the first direction is provided at the middle part of the rotation member 5, and two ends of the rotation shaft 8 are respectively connected with the first connection member 2 and the second connection member 4 in a rotation manner.
Specifically, in this embodiment, as shown in fig. 3 and 4, a rotation shaft 8 extending along a first direction is disposed in the middle of the rotation member 5, the rotation shaft 8 is fixedly connected with the rotation member 5, two ends of the rotation shaft 8 extend out of the side wall of the rotation member 5 and are rotatably connected with the first connection member 2 and the second connection member 4, and the first direction is the extending direction of the rotation shaft 8.
Further, the first connecting piece 2 and the second connecting piece 4 are provided with a containing groove 9 on the side relatively close to each other, the elastic component comprises a first elastic piece 10 which is arranged in the containing groove 9 and can stretch along the first direction, a protrusion 11 is arranged on one side of the first elastic piece 10 relatively close to the rotating piece 5, and the protrusion 11 is clamped with the clamping groove 7.
Specifically, in this embodiment, in the first connecting piece 2, the holding groove 9 is provided on the side that the second connecting piece 4 is relatively close to, the elastic component includes a first elastic element 10 provided in the holding groove 9, the first elastic element 10 is a spring in this embodiment, the first elastic element 10 may stretch out and draw back along the first direction, a protrusion 11 is provided on a side of the first elastic element 10 that is relatively close to the rotating piece 5, the protrusion 11 is in a spherical shape, the clamping groove 7 presents a cylindrical shape, a size of the protrusion 11 matches a size of the clamping groove 7, and the protrusion 11 may be clamped with the clamping groove 7.
Further, the protrusion 11 includes an abutting portion 17 and a movable portion 18 aligned along the first direction, the accommodating groove 9 includes a first portion 19 and a second portion 20 aligned along the first direction, the diameter of the first portion 19 is larger than that of the second portion 20, when in the first state, the abutting portion 17 abuts against a side of the second portion 20 relatively close to the first portion 19, and when in the second state, the abutting portion 17 is separated from a side of the second portion 20 relatively close to the first portion 19.
Specifically, in this embodiment, as shown in fig. 5, the protrusion 11 includes an abutment portion 17 and a movable portion 18 arranged along the first direction, the abutment portion 17 has a cylindrical shape, the movable portion 18 has a semi-spherical shape, and the diameter of the abutment portion 17 is larger than the diameter of the movable portion 18; the accommodating groove 9 comprises a first subsection 19 and a second subsection 20 which are arranged along the first direction, the diameter of the first subsection 19 is larger than that of the second subsection 20, when the accommodating groove is in the first state, the abutting part 17 abuts against one side, relatively close to the first subsection 19, of the second subsection 20, the movable part 18 partially stretches into the clamping groove 7 and is clamped with the clamping groove 7, when the accommodating groove is in the second state, the abutting part 17 is separated from one side, relatively close to the first subsection 19, of the second subsection 20, is separated from the clamping groove 7 and abuts against the side wall of the rotating piece 5, when a safety tube needs to be replaced, the rotating piece 5 is manually rotated, so that the rotating member 5 rotates relative to the first connecting member 2 and the second connecting member 4, during the rotation, the edge of the clamping groove 7 continuously presses the movable portion 18, so that the first elastic member 10 is continuously compressed until the end of the movable portion 18 away from the abutting portion 17 extends completely from the clamping groove 7 and abuts against the end of the rotating member 5, the rotating member 5 continues to rotate, when the end of the movable portion 18 away from the abutting portion 17 contacts with the edge of the next clamping groove 7, the movable portion 18 gradually enters the next clamping groove 7 under the reactive force of the first elastic member 10 until the movable portion 18 completely enters the next clamping groove 7 adjacent to the previous clamping groove 7, a protective tube in the next mounting through hole 6 adjacent to the last mounting through hole 6 in the rotating member 5 is connected to the first electrode and the second electrode.
Further, a temperature detector is further arranged in the rotating piece 5, and the temperature detector is used for detecting the temperature of the fuse in the fuse tube;
The temperature detector is in signal connection with an alarm, and when judging that the temperature of the fuse exceeds a set threshold value, the temperature detector sends a temperature signal to the alarm, and after receiving the temperature signal, the alarm sends an alarm signal.
Specifically, in this embodiment, still be equipped with the temperature detector in rotating member 5, the temperature detector is used for real-time detection to be in inside of installation through-hole 6 the temperature of fuse in the fuse, temperature detector signal connection has the alarm, works as the temperature detector detects when the temperature of fuse in the fuse exceeds the settlement threshold value, and it is in the edge that will burn out to indicate the fuse, and at this moment, the temperature detector can send current temperature signal to the alarm, the alarm receives after the temperature signal, directly sends alarm signal for warning staff, in time changes the fuse, avoids changing untimely, leads to the fuse to burn out, or does not change in time after burning out to damage other components and parts in the circuit.
Further, a plug 12 is disposed at one end of the first test wire 1 away from the first connector 2 and one end of the second test wire 3 away from the second connector 4, and a protection component for protecting the plug 12 is further disposed outside the plug 12.
Specifically, in this embodiment, at the end of the first test wire 1 that is away from the first connector 2, the end of the second test wire 3 that is away from the second connector 4 is respectively provided with a plug 12, the plug 12 is used for shorting with the dc terminal strip, and a protection component is further provided outside the plug 12, and the protection component is used for protecting the plug 12, so as to prevent false collision and the like.
Further, the protection component comprises an insulating grab handle 13 arranged on the first test wire 1 and the second test wire 3, and a sheath cap 14 matched with the insulating grab handle 13, and one end of the plug 12 is positioned in the insulating grab handle 13.
Specifically, in this embodiment, the protection component includes insulation grab handle 13, the one end of insulation grab handle 13 is established first test line 1 on the second test line 3, the one end of plug 12 is located in the insulation grab handle 13, the protection component still include with the helmet cover that insulation grab handle 13 cooperation was used, the one end of helmet cover is connected with the connecting wire, the connecting wire is kept away from the one end of helmet cover is located first test line 1 on the second test line 3, the helmet cover with insulation grab handle 13 cooperation is used, can avoid the mistake to touch.
Further, a second elastic element 15 extending and contracting along the extending direction of the plug 12 is arranged inside the insulating grab handle 13, a sheath tube 16 is arranged at one end of the second elastic element 15, one end of the sheath tube 16 extends out of the insulating grab handle 13, one end of the plug 12 sequentially penetrates through the sheath tube 16, the second elastic element 15 and the insulating grab handle 13 and is electrically connected with the first test wire 1 and the second test wire 3, and one end, relatively far away from the second elastic element 15, of the plug 12 extends out of the sheath tube 16 and is used for being connected with the outside.
Specifically, in this embodiment, a second elastic member 15 is disposed in the insulating handle 13, where the second elastic member 15 is a spring in this embodiment, one end of the second elastic member 15 is fixedly connected with the inner bottom of the insulating handle 13, one end of the second elastic member 15 away from the insulating handle 13 is provided with a sheath tube 16, one end of the sheath tube 16 extends out of the insulating handle 13, the plug 12 is disposed in the insulating handle 13, and the plug 12 sequentially passes through the sheath tube 16, the second elastic member 15 and the bottom of the insulating handle 13, and is electrically connected with the first test wire 1 and the second test wire 3, and one end of the plug 12 relatively far away from the second elastic member 15 extends out of the sheath tube 16 and is externally connected with the sheath tube 16.
Further, the second elastic member 15 has a third state and a fourth state, and when in the third state, the plug 12 extends from the sheath tube 16 and is electrically connected to the live terminal strip; when in the fourth state, the plug 12 is separated from the live terminal strip and enters the interior of the sheath tube 16.
Specifically, in the present embodiment, the second elastic member 15 has a third state and a fourth state, when in the third state, the plug 12 may extend from the inside of the sheath tube 16 and be inserted into the live terminal row to be electrically connected with the live terminal row, and when in the fourth state, the plug 12 is separated from the live terminal row and enters the inside of the sheath tube 16 under the action of the second elastic member 15; in use, an operator holds the insulating handle 13 by hand, aligns and inserts the plug 12 into the jack on the live terminal row, the sheath tube 16 outside the plug 12 is propped by a part outside the jack of the live terminal row, the sheath tube 16 transfers the force received by the sheath tube 16 to the second elastic member 15, the second elastic member 15 is compressed, and the sheath tube 16 gradually enters the inside of the insulating handle 13, so that the plug 12 can extend into the live terminal row; when the plug is pulled out, an operator holds the insulating grab handle 13 and pulls out the plug towards a direction away from the live terminal row, the plug 12 is gradually away from the live terminal row, the sheath tube 16 is not extruded by the live terminal row any more, so that the force transmitted to the second elastic piece 15 is gradually reduced, the second elastic piece 15 is gradually switched from the third state to the fourth state, the sheath tube 16 gradually stretches out from the inside of the insulating grab handle 13 under the acting force of the second elastic piece 15 until the second elastic piece 15 is restored to the original state, and the plug 12 is completely positioned in the sheath tube 16.
Further, the sheath cap 14 and the sheath tube 16 are made of insulating materials.
Specifically, in this embodiment, the materials of the protective cap sleeve and the protective sleeve 16 are all insulating materials, so that the risk of electric shock during manual operation can be avoided.
The principles and embodiments of the present application have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present application and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this application, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the application, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present application.
Claims (9)
1. An apparatus for facilitating replacement of a protective tube, comprising:
the first connecting piece (2), a first test wire (1) penetrates through the first connecting piece (2), and a first electrode is arranged at one end of the first test wire;
The second connecting piece (4) is internally penetrated by a second test wire (3), and one end of the second connecting piece (4) is provided with a second electrode;
The rotating piece (5), one end of the rotating piece (5) is rotationally connected with the first connecting piece (2), and the other end of the rotating piece (5) is rotationally connected with the second connecting piece (4); the rotating member (5) has a rotation axis, and a plurality of mounting through holes (6) are formed in the rotating member (5) around the circumference of the rotation axis, and each mounting through hole (6) is parallel to the rotation axis; a safety tube is arranged in the mounting through hole (6);
Elastic components are arranged on the first connecting piece (2) and the second connecting piece (4), and a plurality of clamping grooves (7) are correspondingly arranged at two ends of the rotating piece (5) around the circumference of the rotating axis;
The rotary member (5) has a first state and a second state; when the rotating piece (5) rotates to a first state, the elastic component is clamped with the corresponding clamping groove (7), and a safety tube of one mounting through hole (6) in the rotating piece (5) is connected with the first electrode and the second electrode; when the rotating piece (5) rotates to a second state, the elastic component stretches out of the clamping groove (7) and abuts against the end part of the rotating piece (5).
2. Device for facilitating the replacement of a safety tube according to claim 1, characterized in that a rotation shaft (8) extending in a first direction is provided in the middle of the rotation member (5), both ends of the rotation shaft (8) being rotatably connected to the first connection member (2) and the second connection member (4), respectively.
3. The device for facilitating replacement of a safety tube according to claim 2, wherein a receiving groove (9) is formed in a surface, relatively close to the first connecting piece (2) and the second connecting piece (4), of the elastic component, the elastic component comprises a first elastic piece (10) which is arranged in the receiving groove (9) and stretches out and draws back along the first direction, a protrusion (11) is arranged on one side, relatively close to the rotating piece (5), of the first elastic piece (10), and the protrusion (11) is clamped with the clamping groove (7).
4. A device for facilitating replacement of a safety tube according to claim 3, wherein the projection (11) comprises an abutment portion (17) and a movable portion (18) arranged in the first direction, the receiving groove (9) comprises a first portion (19) and a second portion (20) arranged in the first direction, the diameter of the first portion (19) being larger than the diameter of the second portion (20), the abutment portion (17) abutting against a side of the second portion (20) relatively close to the first portion (19) when in the first state, and the abutment portion (17) being separated from a side of the second portion (20) relatively close to the first portion (19) when in the second state.
5. A device for facilitating replacement of a fuse according to claim 1, characterized in that a temperature detector is also provided in the rotating member (5), for detecting the temperature of the fuse in the fuse;
The temperature detector is in signal connection with an alarm, and when judging that the temperature of the fuse exceeds a set threshold value, the temperature detector sends a temperature signal to the alarm, and after receiving the temperature signal, the alarm sends an alarm signal.
6. Device for facilitating the replacement of a safety tube according to claim 1, characterized in that a plug (12) is provided at the end of the first test wire (1) remote from the first connector (2) and the second test wire (3) remote from the second connector (4), and a protection assembly for protecting the plug (12) is further provided outside the plug (12).
7. The device for facilitating replacement of a protective tube according to claim 6, wherein the protective assembly comprises an insulating handle (12) provided on the first test wire (1) and the second test wire (3), and a protective cap (14) used in cooperation with the insulating handle (12).
8. The device for facilitating replacement of a protective tube according to claim 7, wherein a second elastic member (15) extending and contracting along the extending direction of the plug (12) is provided in the insulating handle (13), one end of the second elastic member (15) is provided with a protective tube (16), one end of the protective tube (16) extends out of the insulating handle (13), one end of the plug (12) sequentially passes through the protective tube (16), the second elastic member (15) and the insulating handle (13), and is electrically connected with the first test wire (1) and the second test wire (3), and one end of the plug (12) relatively far away from the second elastic member (15) extends out of the protective tube (16) for connection with the outside.
9. The device for facilitating the replacement of a protective tube according to claim 8, characterized in that said second elastic member (15) has a third state and a fourth state, when in said third state, said plug (12) protrudes from said sheath tube (16) and is electrically connected to a live terminal strip; when in the fourth state, the plug (12) is separated from the live terminal strip and enters the interior of the sheath tube (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410257236.7A CN117913688A (en) | 2024-03-07 | 2024-03-07 | Device convenient to change protective tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410257236.7A CN117913688A (en) | 2024-03-07 | 2024-03-07 | Device convenient to change protective tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117913688A true CN117913688A (en) | 2024-04-19 |
Family
ID=90692485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410257236.7A Pending CN117913688A (en) | 2024-03-07 | 2024-03-07 | Device convenient to change protective tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117913688A (en) |
-
2024
- 2024-03-07 CN CN202410257236.7A patent/CN117913688A/en active Pending
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