CN210985190U - Detachable terminal secondary safety isolation block and isolation tool thereof - Google Patents
Detachable terminal secondary safety isolation block and isolation tool thereof Download PDFInfo
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- CN210985190U CN210985190U CN201922054808.9U CN201922054808U CN210985190U CN 210985190 U CN210985190 U CN 210985190U CN 201922054808 U CN201922054808 U CN 201922054808U CN 210985190 U CN210985190 U CN 210985190U
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- isolation
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Abstract
The utility model discloses a can disassemble formula terminal secondary safety isolation piece and isolation instrument thereof aims at providing a better isolation piece of suitability and isolation instrument thereof. The isolation block comprises a base with a handheld part at the upper end and an inserting part integrated with the base; the handheld part is provided with a through hole for the penetration connection of the insulating rod; the method is characterized in that: the connector also comprises two wing plates which are symmetrically and fixedly connected with two sides of the base and used for covering the wiring terminals on two sides of the terminal block; a clamping block extending out of a locking screw of the terminal block wiring terminal is arranged at the lower end of the wing plate; an operation hole is formed in the wing plate and corresponds to the locking screw of the terminal block wiring terminal; a groove convenient for the wing plate to be broken is arranged at the joint of the wing plate and the base; the lower end of the base is provided with a notch for a sliding block locking screw to penetrate through; one side of the lower part of the insertion part is provided with an arc-shaped protruding part; after the insertion part is inserted between the two wiring terminals of the terminal block, the protruding part is in friction engagement with the wiring terminal on the corresponding side.
Description
Technical Field
The utility model belongs to the technical field of terminal row keeps apart utensil technical field and specifically relates to a but disassembly formula terminal secondary safety isolation piece and isolation tool thereof is related to.
Background
The terminal block is an insulating member for carrying a plurality or a plurality of sets of terminal assemblies insulated from each other and for fixing the support member. The terminal strip is used for connecting the lines of the equipment inside the screen and the equipment outside the screen, and plays a role in signal (current and voltage) transmission. In an electric power enterprise, safety technical measures are important guarantee measures for guaranteeing safe and stable development of maintenance work of electric power equipment, and isolation of a live terminal row and an outlet terminal row is one of the most common safety measures in maintenance work of secondary circuits such as control, measurement, protection and the like. In order to improve the working efficiency and safety, devices specially used for secondary isolation of the terminal block appear on the market. In order to meet different use requirements, the device generally has a plurality of shapes or specifications and cannot be used universally, so that the carrying quantity is large, the carrying is very inconvenient, time and labor are wasted when the corresponding type of isolation devices are found on site, and the condition that the corresponding specification isolation devices cannot be found often exists, so that the overhauling and maintaining efficiency is greatly reduced. Meanwhile, the edge part of the isolating device is clamped with the terminal strip shell, so that the convenience of disassembly and assembly is further improved. Some isolating devices which do not need to cover the connecting terminals on the two sides of the terminal block only isolate the sliding blocks of the terminal block through the inserting part and have no effective fixing structure, so the connection reliability is not high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough that the purpose aims at overcoming prior art and exists, provides one kind and can change and connect reliable dismantlable formula terminal secondary safety isolation piece and isolation instrument according to the use needs.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a secondary safety isolation block of a detachable terminal comprises a base with a handheld part at the upper end and an inserting part which is positioned at the lower end of the base and integrated with the base; the handheld part is provided with a through hole for the penetration connection of the insulating rod; the connector also comprises two wing plates which are symmetrically and fixedly connected with two sides of the base and used for covering the wiring terminals on two sides of the terminal block; a clamping block extending out of a locking screw of the terminal block wiring terminal is arranged at the lower end of the wing plate; an operation hole is formed in the wing plate and corresponds to the locking screw of the terminal block wiring terminal; a groove convenient for the wing plate to be broken is arranged at the joint of the wing plate and the base; the lower end of the base is provided with a notch for a sliding block locking screw to penetrate through; one side of the lower part of the insertion part is provided with an arc-shaped protruding part; after the insertion part is inserted between the two wiring terminals of the terminal block, the protruding part is in friction engagement with the wiring terminal on the corresponding side.
Preferably, the upper end of the hand-held portion is provided with lips for facilitating the application of force on opposite sides.
Preferably, the groove is U-shaped.
Preferably, the groove is wedge-shaped.
The utility model provides a can disassemble formula terminal secondary safety isolation instrument, its includes that the polylith is as above the spacing block to and wear to establish the insulating rod who connects in each spacing block through-hole.
Preferably, the insulating rod is provided with annular slots at equal intervals for breaking the insulating rod.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses have higher commonality, can break according to in service behavior and warp to satisfy specific user demand, consequently the carrying capacity can effectively reduce. And because adopt new fixed knot to construct, the dismouting is more convenient, and connects more reliably.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the middle isolation block of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a schematic view of fig. 1 with one of the side panels broken away.
Fig. 5 is a state diagram of fig. 1 in use.
Fig. 6 is a perspective view of fig. 1.
Fig. 7 is a schematic view of the isolation tool.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention. In the following description, for the sake of clarity of illustrating the structure and operation of the present invention, reference will be made to the accompanying drawings by means of directional terms, but the terms "front", "rear", "left", "right", "up", "down", etc. should be construed as convenient terms and not as limitative terms.
Example 1
The detachable terminal secondary safety isolation block for the terminal block 20 shown in fig. 1-6 comprises a base 2 with a hand-held part 1 at the upper end and a plug-in part 3 which is positioned at the lower end of the base 2 and is integrated with the base 2; the handheld part 1 is provided with a through hole 4 for the insulation rod 20 to penetrate and connect; the connector also comprises two wing plates 5 which are symmetrically fixedly connected with two sides of the base 2 and used for covering wiring terminals on two sides of the terminal block; a clamping block 6 extending out of a locking screw of the terminal block wiring terminal is arranged at the lower end of the wing plate 5; an operation hole 7 is formed in the wing plate 5 at a position corresponding to a locking screw of a terminal block wiring terminal; a groove 8 convenient for the wing plate 5 to break is arranged at the joint of the wing plate 5 and the base 2; the lower end of the base 2 is provided with a notch 9 for a slide block locking screw to penetrate; an arc-shaped protruding part 10 is arranged on one side of the lower part of the inserting part 3; after the plug-in part 3 is inserted between two terminals of a terminal block, the projection 10 is frictionally engaged with the corresponding terminal.
Preferably, the opposite sides of the upper end of the hand-held part 1 are provided with lips 11 for facilitating force application, so as to facilitate the disassembly and assembly operation.
In the present embodiment, the groove 8 is wedge-shaped, and obviously, may also be in the form of a U-shaped or annular groove, etc.; when the wing plate is not needed, the wing plate can be broken off by applying force at the groove, so that different use requirements are met.
Example 2
Fig. 7 shows a detachable terminal secondary safety isolation tool, which includes a plurality of isolation blocks as described in the above embodiments, and an insulation rod 20 penetrating through each isolation block through hole 4.
In this embodiment, the insulating rod 20 is provided with annular slots 21 at equal intervals for breaking the insulating rod 20. Can adjust the length of insulating rod according to the length scene of terminal row during the use, reduce the interference that causes because of insulating rod length overlength during the use. The distance between the annular slots can be equal to the thickness of one spacer block (the thickest part of the spacer block), or equal to the thickness of two spacer blocks, or other distance lengths. Obviously, when the length of the insulating rod is not enough, two or more insulating rods can be combined to form two or more groups of isolating tools for use.
The utility model adopts the friction engagement of the protruding part 10 on the inserting part 3 and the wiring terminals on both sides, so as to realize the fixation of the isolation block and effectively improve the reliability of connection; meanwhile, the isolation block can realize the retention or the breaking of the wing plate according to the requirement, so that only one structural form is provided, and the carrying and the use are more convenient.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. It should be understood by those skilled in the art that any modification, equivalent replacement, or improvement made to the technical solutions or parts of technical features described in the above embodiments can be included in the scope of the present invention within the spirit and principle of the present invention.
Claims (6)
1. A secondary safety isolation block of a detachable terminal comprises a base with a handheld part at the upper end and an inserting part which is positioned at the lower end of the base and integrated with the base; the handheld part is provided with a through hole for the penetration connection of the insulating rod; the method is characterized in that: the connector also comprises two wing plates which are symmetrically and fixedly connected with two sides of the base and used for covering the wiring terminals on two sides of the terminal block; a clamping block extending out of a locking screw of the terminal block wiring terminal is arranged at the lower end of the wing plate; an operation hole is formed in the wing plate and corresponds to the locking screw of the terminal block wiring terminal; a groove convenient for the wing plate to be broken is arranged at the joint of the wing plate and the base; the lower end of the base is provided with a notch for a sliding block locking screw to penetrate through; one side of the lower part of the insertion part is provided with an arc-shaped protruding part; after the insertion part is inserted between the two wiring terminals of the terminal block, the protruding part is in friction engagement with the wiring terminal on the corresponding side.
2. The secondary safety isolating block of claim 1, wherein: the two opposite sides of the upper end of the handheld part are provided with lip edges convenient for force application.
3. The secondary safety isolating block of claim 1, wherein: the groove is U-shaped.
4. The secondary safety isolating block of claim 1, wherein: the groove is wedge-shaped.
5. A secondary safety isolation tool for a detachable terminal, which is characterized by comprising a plurality of isolation blocks as claimed in any one of claims 1 to 4 and an insulating rod penetrating and connected with through holes of the isolation blocks.
6. The releasable terminal secondary safety isolation tool of claim 5, wherein: and annular cutting grooves for breaking the insulating rods are arranged on the insulating rods at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922054808.9U CN210985190U (en) | 2019-11-25 | 2019-11-25 | Detachable terminal secondary safety isolation block and isolation tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922054808.9U CN210985190U (en) | 2019-11-25 | 2019-11-25 | Detachable terminal secondary safety isolation block and isolation tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210985190U true CN210985190U (en) | 2020-07-10 |
Family
ID=71415806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922054808.9U Active CN210985190U (en) | 2019-11-25 | 2019-11-25 | Detachable terminal secondary safety isolation block and isolation tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210985190U (en) |
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2019
- 2019-11-25 CN CN201922054808.9U patent/CN210985190U/en active Active
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