CN110911857A - Connecting assembly for short-circuit grounding wire and short-circuit grounding device with connecting assembly - Google Patents
Connecting assembly for short-circuit grounding wire and short-circuit grounding device with connecting assembly Download PDFInfo
- Publication number
- CN110911857A CN110911857A CN201911207387.7A CN201911207387A CN110911857A CN 110911857 A CN110911857 A CN 110911857A CN 201911207387 A CN201911207387 A CN 201911207387A CN 110911857 A CN110911857 A CN 110911857A
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- short
- inner cavity
- grounding
- connecting assembly
- sleeve
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- 238000003780 insertion Methods 0.000 claims description 29
- 230000037431 insertion Effects 0.000 claims description 29
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
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- Elimination Of Static Electricity (AREA)
Abstract
The invention provides a connecting assembly for a short-circuit grounding wire and a short-circuit grounding device with the same, which comprise an inserting rod and a sleeve, wherein the first end of the inserting rod is used for connecting the grounding wire, the second end of the inserting rod is a free end, a plurality of positioning blocks are circumferentially arranged on the outer circumferential side of the inserting rod, the sleeve is provided with a cylindrical inner cavity, the second end of the sleeve is fixedly connected with a grounding body, the first end of the sleeve is provided with a round hole for the inserting rod to insert, the round hole and the cylindrical inner cavity are coaxially arranged, the inner hole wall of the round hole is circumferentially provided with a plurality of avoiding openings for the positioning blocks to pass through, the inner cavity wall of the first end of the cylindrical inner cavity is provided with a plurality of positioning grooves for accommodating the positioning blocks, one or more conductive brushes are circumferentially arranged. The invention can quickly connect the grounding wire and the grounding body, and can increase the contact area between the grounding wire and the grounding body so as to improve the conductive capability between the grounding wire and the grounding body.
Description
Technical Field
The invention relates to the technical field of power maintenance equipment, in particular to a connecting assembly for a short-circuit grounding wire and a short-circuit grounding device with the connecting assembly.
Background
The short circuit grounding wire is used for the construction of lines and power transformation and ensures the safety when the near charged body generates electrostatic induction electric shock or is switched on by mistake. The short circuit grounding wire is a safety barrier for protecting maintainers, is a life wire of electric power staff and can prevent sudden incoming calls from damaging human bodies.
Generally, a connecting terminal connected with a grounding wire is fixed on a wire connecting block connected with a grounding body through a bolt in the prior art, operation tools such as a wrench are needed in the process of disassembly or assembly, so that connection is slow, and the bolt is easy to slip and lose efficacy after repeated disassembly or assembly, so that the fixing effect is influenced.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a connecting assembly for a short-circuit grounding wire and a short-circuit grounding device with the connecting assembly.
The invention provides a connecting assembly for a short-circuit grounding wire, which comprises a plug rod and a sleeve, wherein the first end of the plug rod is used for connecting the grounding wire, the second end of the plug rod is a free end, and a plurality of positioning blocks are arranged on the peripheral side of the plug rod along the circumferential direction;
the sleeve is provided with a cylindrical inner cavity, the second end of the sleeve is used for being fixedly connected with the grounding body, the first end of the sleeve is provided with a round hole for inserting the second end of the insertion rod into the cylindrical inner cavity, the round hole and the cylindrical inner cavity are coaxially arranged, the inner hole wall of the round hole is circumferentially provided with a plurality of avoidance ports for allowing the positioning blocks to pass through, and the positioning blocks and the avoidance ports are in one-to-one correspondence;
the inner cavity wall at the first end of the cylindrical inner cavity is provided with a plurality of positioning grooves which are positioned on the peripheral side of the circular hole and extend in the radial direction, the positioning grooves are used for accommodating positioning blocks, and the positioning blocks correspond to the accommodating grooves one by one;
one or more conductive brushes are arranged on the inner side of the cylindrical hollow structure along the circumferential direction and are used for being in flexible contact with the surface of the insertion rod;
the middle part of the inner cavity wall at the second end of the cylindrical inner cavity is provided with a spring, one end of the spring, which is far away from the inner cavity wall at the second end of the cylindrical inner cavity, is connected with a limiting plate, and the limiting plate is used for pushing the second end of the insertion rod to enable the positioning block to be attached to the positioning groove.
Preferably, the conductive brush comprises a conductive block and a conductive brush head, the conductive block is fixedly connected with the peripheral wall of the cylindrical inner cavity, one end of the conductive brush wire is fixedly connected with the conductive block, and the other end of the conductive brush wire is bent towards two sides to form the T-shaped brush head.
Preferably, the contact position of the T-shaped brush head and the insertion rod is provided with an arc-shaped surface matched with the insertion rod.
Preferably, the limiting plate is provided with a holding groove matched with the second end of the insertion rod on one side away from the spring.
Preferably, the round hole is in clearance fit with the insertion rod, the positioning block is in clearance fit with the avoidance opening, and the positioning groove is in clearance fit with the positioning block.
The invention also provides a short-circuit grounding device which comprises any one of the connecting components for the short-circuit grounding wire.
Compared with the prior art, the invention has the following beneficial effects:
(1) thereby through insertion rod and sleeve high-speed joint with earth connection and grounding body high-speed joint, need not to use at every turn and all need spanner to dismantle or the construction bolt.
(2) Because the conductive brush wire of the conductive brush can elastically deform, the conductive brush can always keep flexible contact with the surface of the insertion rod in the insertion process of the insertion rod, and an additional adjusting piece is not needed, so that the contact area of the sleeve and the insertion rod is increased, the contact area between the grounding wire and the grounding body is increased, the conductive capacity between the grounding wire and the grounding body is improved, and accidents are avoided.
(3) The conductive brush plays an auxiliary positioning role on the insertion rod, and the insertion rod and the sleeve are stably connected through the cooperation of the conductive brush, the limiting plate and the spring.
Drawings
Fig. 1 is a schematic structural diagram of a connection assembly for a short-circuit ground line according to the present invention.
Fig. 2 is a schematic top view of a sleeve of the present invention.
FIG. 3 is a schematic sectional view taken along line A-A in FIG. 1.
Description of reference numerals:
1-plug rod 2-sleeve 3-conductive brush 31-conductive seat 32-conductive brush wire
4-spring 5-limiting plate 6-positioning block 7-grounding wire 8-grounding body
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments in the present application may be combined with each other; the present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 3, the connection assembly for a short-circuit ground wire provided by the invention comprises a plug rod 1 and a sleeve 2, wherein a first end of the plug rod 1 is used for connecting a ground wire, a second end of the plug rod 1 is a free end, and a plurality of positioning blocks are arranged on the peripheral side of the plug rod 1 along the circumferential direction;
the sleeve 2 is provided with a cylindrical inner cavity, the second end of the sleeve 2 is used for being fixedly connected with a grounding body, the first end of the sleeve 2 is provided with a round hole for inserting the second end of the insertion rod 1 into the cylindrical inner cavity, the round hole and the cylindrical inner cavity are coaxially arranged, the inner hole wall of the round hole is circumferentially provided with a plurality of avoidance ports for the positioning blocks 6 to pass through, and the positioning blocks 6 correspond to the avoidance ports one to one;
the inner cavity wall of the first end of the cylindrical inner cavity is provided with a plurality of positioning grooves which are located on the peripheral sides of the circular holes and extend in the radial direction, the positioning grooves are used for accommodating positioning blocks 6, the positioning blocks 6 correspond to the accommodating grooves one to one, one or more conductive brushes 3 are arranged on the inner side of the cylindrical hollow structure along the circumferential direction, and the conductive brushes 3 are used for being in flexible contact with the surface of the insertion rod 1;
be equipped with spring 4 on the wall middle part of cylindric inner chamber second end inner chamber, the one end that spring 4 kept away from cylindric inner chamber second end chamber wall is connected with limiting plate 5, and limiting plate 5 is used for promoting 1 second end of peg graft pole so that locating piece 6 and positioning groove laminate mutually.
When the electric connector is used, the first end of the plug rod 1 is connected with the grounding wire 7, the sleeve 2 is fixedly connected with the grounding body 8, the second end of the plug rod 1 penetrates through the circular hole to be inserted into the cylindrical inner cavity to contact the limiting plate 5, pressure is continuously applied to the plug rod 1, so that the second end of the plug rod 1 applies pressure to the limiting plate 5, the spring 4 is compressed, the positioning block 6 enters the cylindrical inner cavity through the corresponding avoiding port, the plug rod 1 is rotated, the positioning block 6 rotates into the corresponding positioning groove, the hand is loosened, the limiting plate 5 abuts against the second end of the plug rod 1 under the reset action of the spring 4, so that the positioning block 6 on the plug rod 1 is tightly attached to the positioning groove, and the conductive brush 3 is in flexible contact with.
According to the invention, the grounding wire 7 and the grounding body 8 can be quickly connected through the quick connection of the insertion rod 1 and the sleeve 2, and a wrench is not required to be detached or a bolt is not required to be installed every time the grounding wire is used; moreover, as the conductive brush wires 32 of the conductive brush 3 can elastically deform, the conductive brush 3 can always keep flexible contact with the surface of the insertion rod 1 in the insertion process of the insertion rod 1, the contact area between the sleeve 2 and the insertion rod 1 can be increased, and the contact area between the grounding wire 7 and the grounding body 8 can be increased, so that the conductive capability between the grounding wire 7 and the grounding body 8 can be improved, and accidents can be avoided; and electrically conductive brush 3 plays complementary positioning action to inserting pole 1, and the cooperation of electrically conductive brush 3, limiting plate 5, spring 4 can make inserting pole 1 be connected with sleeve 2 and stabilize.
In order to increase the contact area between the grounding wire 7 and the grounding body 8, in a specific embodiment, the conductive brush 3 includes a conductive seat 31 and a conductive brush wire 32, the conductive seat 31 is fixedly connected with the peripheral wall of the cylindrical inner cavity, one end of the conductive brush wire 32 is fixedly connected with the conductive seat 31, and the other end is bent towards two sides to form a T-shaped brush head. The point contact of the conductive brush wire 32 and the insertion rod 1 is converted into line contact through the T-shaped brush head, so that the contact area of the insertion rod 1 and the conductive brush wire 32 can be effectively increased, the contact area of the grounding wire 7 and the grounding body 8 is increased, and the conductivity of the connecting assembly is improved.
In actual use, the conductive brush filaments 32 may be bent toward two opposite sides, such as the upper side and the lower side or the left side and the right side.
In order to further increase the contact area between the grounding wire 7 and the grounding body 8, in a further specific embodiment, an arc-shaped surface matched with the plug rod 1 is arranged at the contact position of the T-shaped brush head and the plug rod 1. The contact form of the conductive brush wire 32 and the insertion rod 1 can be changed into surface contact by arranging the arc-shaped surface, and the conductivity of the connecting component is further improved.
In order to further avoid the unstable splicing caused by the position deviation of the splicing rod 1, in a specific embodiment, one side of the limiting plate 5, which is far away from the spring 4, is provided with a holding groove matched with the second end of the splicing rod 1. Limiting plate 5 thereby makes limiting plate 5's holding tank and peg graft 1 in close contact with of pole promote peg graft 1 and make locating piece 6 and the constant head tank in peg graft 1 closely laminate under spring 4's thrust effect to make electrically conductive brush 3 and peg graft 1 in close contact with, thereby guarantee the stability of being connected of peg graft 1 and sleeve 2 and the area of contact of earth connection 7 and grounding body 8, improve this coupling assembling's electric conductive property.
In order to ensure that the insertion rod 1 is accurately inserted and does not randomly shake, in a specific embodiment, the circular hole is in clearance fit with the insertion rod 1, the positioning block 6 is in clearance fit with the avoiding opening, and the positioning groove is in clearance fit with the positioning block 6.
In practical use, the sleeve 2 and the insertion rod 1 are made of conductive materials, such as metal.
The invention also proposes a short-circuit grounding device comprising any one of the above-mentioned connecting assemblies for short-circuit grounding wires 7. The short circuit grounding device can quickly connect the grounding wire 7 with the grounding body 8, and can increase the connecting area of the grounding wire 7 and the grounding body 8, thereby improving the conductivity of the short circuit grounding device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The connecting assembly for short circuit grounding is characterized by comprising an inserting rod (1) and a sleeve (2), wherein the first end of the inserting rod (1) is used for connecting a grounding wire, the second end of the inserting rod (1) is a free end, and a plurality of positioning blocks (6) are arranged on the peripheral side of the inserting rod (1) along the circumferential direction;
the sleeve (2) is provided with a cylindrical inner cavity, the second end of the sleeve (2) is fixedly connected with the grounding body, the first end of the sleeve (2) is provided with a round hole for inserting the second end of the insertion rod (1) into the cylindrical inner cavity, the round hole and the cylindrical inner cavity are coaxially arranged, the inner hole wall of the round hole is circumferentially provided with a plurality of avoidance ports for the positioning blocks (6) to pass through, and the positioning blocks (6) correspond to the avoidance ports one by one;
the inner cavity wall of the first end of the cylindrical inner cavity is provided with a plurality of positioning grooves which are located on the peripheral sides of the circular holes and extend in the radial direction, the positioning grooves are used for containing positioning blocks (6), the positioning blocks (6) correspond to the accommodating grooves one to one, one or more conductive brushes (3) are arranged on the inner side of the cylindrical hollow structure along the peripheral direction, and the conductive brushes (3) are used for being in flexible contact with the surface of the insertion rod (1);
be equipped with spring (4) in the middle part of cylindric inner chamber second end inner chamber wall, the one end that cylindric inner chamber second end inner chamber wall was kept away from in spring (4) is connected with limiting plate (5), and limiting plate (5) are used for promoting peg graft pole (1) second end so that locating piece (6) laminate mutually with the positioning groove.
2. The connecting assembly for the short-circuit grounding wire according to claim 1, wherein the conductive brush (3) comprises a conductive seat (31) and a conductive brush wire (32), the conductive seat (31) is fixedly connected with the peripheral wall of the cylindrical inner cavity, one end of the conductive brush wire (32) is fixedly connected with the conductive seat (31), and the other end is bent towards two sides to form a T-shaped brush head.
3. A connecting assembly for a short-circuit ground wire according to claim 2, characterized in that the contact between the T-shaped brush head and the plug rod (1) is provided with an arc-shaped surface which is matched with the plug rod (1).
4. A connecting assembly for a short-circuit ground wire according to claim 1, wherein the side of the limiting plate (5) remote from the spring (4) is provided with a receiving groove matched with the second end of the plug rod (1).
5. The connecting assembly for the short-circuit grounding wire according to claim 1, wherein the round hole is in clearance fit with the plug rod (1), the positioning block (6) is in clearance fit with the avoiding opening, and the positioning groove is in clearance fit with the positioning block (6).
6. A short-circuit grounding device comprising a connecting assembly for short-circuit grounding wires according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911207387.7A CN110911857A (en) | 2019-11-29 | 2019-11-29 | Connecting assembly for short-circuit grounding wire and short-circuit grounding device with connecting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911207387.7A CN110911857A (en) | 2019-11-29 | 2019-11-29 | Connecting assembly for short-circuit grounding wire and short-circuit grounding device with connecting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110911857A true CN110911857A (en) | 2020-03-24 |
Family
ID=69820933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911207387.7A Pending CN110911857A (en) | 2019-11-29 | 2019-11-29 | Connecting assembly for short-circuit grounding wire and short-circuit grounding device with connecting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110911857A (en) |
-
2019
- 2019-11-29 CN CN201911207387.7A patent/CN110911857A/en active Pending
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