CN114156667B - Novel grounding structure of binding post - Google Patents
Novel grounding structure of binding post Download PDFInfo
- Publication number
- CN114156667B CN114156667B CN202111321127.XA CN202111321127A CN114156667B CN 114156667 B CN114156667 B CN 114156667B CN 202111321127 A CN202111321127 A CN 202111321127A CN 114156667 B CN114156667 B CN 114156667B
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- Prior art keywords
- grounding
- piece
- plate
- wiring board
- limiting
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a novel grounding structure of a wiring terminal, which has the technical scheme that: including grounding piece and retaining ring, the retaining ring can dismantle the setting is in the one end of grounding piece still includes: the right-angle limiting plate is fixedly arranged on the lower surface of the grounding plate at one end; the limiting groove is arranged between the right-angle limiting plate and the grounding piece, and one end of the check ring is inserted into the limiting groove; the first connecting plates are provided with two groups, and the two groups of the first connecting plates are symmetrically arranged on two sides of one end of the grounding piece; the convex limiting point is fixedly arranged on the surface of the first connecting plate; the grounding plate is integrally formed and spliced, the wiring board is thickened through the process, the wiring board is in closer contact with the conductive piece and is good in electrifying, and in addition, the grounding structure can be directly installed under the condition of no tool during installation, and the operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of wiring terminals, in particular to a novel grounding structure of a wiring terminal.
Background
The connection terminal is an accessory product for realizing electrical connection, and is industrially divided into the category of connectors. As the degree of industrial automation becomes higher and the industrial control requirements become more stringent and precise, the amount of the terminal blocks used is gradually increased. With the development of the electronic industry, the use range of the wiring terminal is more and more, and the variety is also more and more. In addition to PCB board terminals, there are hardware terminals, nut terminals, spring terminals, etc. that are most widely used.
Referring to the chinese patent with the existing publication number CN105337055a, it discloses a connecting structure of a grounding lead, which has a lead and a connecting terminal, the connecting terminal is composed of a steel rectangular plate on the upper part and a steel cylinder on the lower part, the bottom surface of the steel cylinder is provided with a central hole, the connecting terminal is sleeved on the lead by the central hole, the steel cylinder of the connecting terminal is provided with external threads, a nut sleeved on the lead is in threaded connection with the external threads of the steel cylinder of the connecting terminal, the lower part of the inner hole of the nut has taper, and a three-jaw grip is arranged between the nut and the lead.
The connecting structure of the connecting terminal of the grounding lead is characterized in that the lead and the connecting terminal are fixed together by the nut and can be connected by means of a common tool, so that the requirement on a construction tool is reduced. However, the grounding structure of the existing wiring terminal still has some disadvantages, such as: 1. the terminal is only suitable for guide rails of 35 mm; 2. the grounding piece is thin and is easy to deform under the stress; 3. corresponding tools are needed to install the grounding plate, and labor is wasted.
Disclosure of Invention
Aiming at the problems in the background art, the invention aims to provide a novel grounding structure of a wiring terminal so as to solve the problems in the background art.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides a novel ground connection structure of binding post, includes earthing piece and retaining ring, the retaining ring can dismantle the setting and be in the one end of earthing piece still includes:
the right-angle limiting plate is fixedly arranged on the lower surface of the grounding plate at one end;
the limiting groove is arranged between the right-angle limiting plate and the grounding piece, and one end of the check ring is inserted into the limiting groove;
the first connecting plates are provided with two groups, and the two groups of the first connecting plates are symmetrically arranged on two sides of one end of the grounding piece;
the convex limiting point is fixedly arranged on the surface of the first connecting plate;
the convex block is integrally formed at the end part of the check ring and is abutted against the outer surface of the convex limiting point;
the second connecting plate is fixedly arranged at the other end of the grounding piece;
the wiring board is fixedly connected with one end of the second connecting plate;
and a wiring hole, the wiring Kong Kaishe being on the wiring board.
Through adopting above-mentioned technical scheme, the grounding piece integrated into one piece, no concatenation, and the wiring board carries out thickening through the technology and handle, and it is inseparabler to contact with the conducting part, and the circular telegram is good, and in addition the grounding structure can realize direct mount under the instrument-free condition, easy and simple to handle when the installation.
Preferably, the grounding plate, the right-angle limiting plate, the first connecting plate, the protruding limiting point, the second connecting plate and the wiring plate are made of copper materials, and the grounding plate, the right-angle limiting plate, the first connecting plate, the protruding limiting point, the second connecting plate and the wiring plate are of an integrated structure.
By adopting the technical scheme, the strength and the hardness of the grounding structure can be increased.
Preferably, the check ring is a stainless steel check ring.
By adopting the technical scheme, the strength of the check ring can be increased.
Preferably, one end of the first connecting plate is provided with a bending structure.
Through adopting above-mentioned technical scheme, can with the inside spacing point effect of working of plastics, make ground connection copper spare firmly block in the working of plastics, be difficult for falling out.
Preferably, the grounding plate is provided with a groove, and a round corner is arranged at a port of the groove.
By adopting the technical scheme, the grounding piece can be conveniently installed.
Preferably, the wiring board is arranged in a double-layer structure.
Through adopting above-mentioned technical scheme, double-deck thickening is handled, makes the ground connection structure more firm, non-deformable.
Preferably, a clamping groove is formed in the lower surface of the wiring board.
Through adopting above-mentioned technical scheme, can make things convenient for and install fixedly between wiring board and the working of plastics.
Preferably, the assembling method of the grounding plate and the retainer ring comprises the following steps:
s1, clamping a circular ring of a retainer ring into a limiting groove between a right-angle limiting plate and a grounding piece;
s2, pressing the first connecting plate inwards to enable the protruding limiting points to shrink inwards;
s3, clamping the convex blocks at the opening sides of the check rings into the convex limiting points;
s4, when the protruding block is completely clamped into the protruding limiting point, the first connecting plate is loosened, the protruding limiting point is reset outwards, the retainer ring is firmly clamped, and the assembly is completed.
Preferably, the use method of the grounding structure comprises the following steps: the bottom conductive piece is disassembled, the grounding structure is placed in the grounding groove in the plastic piece, the clamping groove is clamped with the bulge on the plastic piece, and then the bottom conductive piece is placed in the main body of the plastic piece, so that the longitudinal wiring hole of the grounding structure is crossed with and contacted with the transverse groove of the conductive piece, and the installation is completed.
In summary, the invention has the following advantages:
the first, the invention is suitable for all terminals of the card guide rail, the application scope is wide;
secondly, the grounding piece is integrally formed without splicing, and the wiring board is thickened through a process, so that the wiring board is in closer contact with the conductive piece and is well electrified;
the grounding structure can be directly installed under the condition of no tool during installation, and is simple and convenient to operate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is an enlarged view at a in fig. 1;
FIG. 3 is a top plan view of the ground plate portion of FIG. 1 in accordance with the present invention;
fig. 4 is a schematic left-hand view of the patch panel portion of fig. 1.
Reference numerals: 1. a grounding plate; 2. a retainer ring; 3. a right angle limiting plate; 4. a limit groove; 5. a first connection plate; 6. raised restriction sites; 7. a bump; 8. a second connecting plate; 9. a wiring board; 10. a wiring hole; 11. a groove; 12. chamfering; 13. a clamping groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-4, a novel grounding structure of binding post, including earthing piece 1 and retaining ring 2, retaining ring 2 can dismantle the setting is in the one end of earthing piece 1 still includes:
the right-angle limiting plate 3, one end of the right-angle limiting plate 3 is fixedly arranged on the lower surface of the grounding plate 1;
the limiting groove 4 is arranged between the right-angle limiting plate 3 and the grounding piece 1, and one end of the retainer ring 2 is inserted into the limiting groove 4;
the first connecting plates 5 are provided with two groups, and the two groups of the first connecting plates 5 are symmetrically arranged on two sides of one end of the grounding piece 1;
a protruding limiting point 6, wherein the protruding limiting point 6 is fixedly arranged on the surface of the first connecting plate 5;
a bump 7, wherein the bump 7 is integrally formed at the end part of the retainer ring 2, and the bump 7 is abutted against the outer surface of the bump limiting point 6;
the second connecting plate 8 is fixedly arranged at the other end of the grounding plate 1;
a wiring board 9, wherein one end of the wiring board 9 is fixedly connected with the other end of the second connecting board 8;
and a wiring hole 10, wherein the wiring hole 10 is opened on the wiring board 9.
Referring to fig. 1 and 2, in order to increase the strength and hardness of the ground structure; the grounding piece 1, the right-angle limiting plate 3, the first connecting plate 5, the protruding limiting point 6, the second connecting plate 8 and the wiring board 9 are made of copper materials, and the grounding piece 1, the right-angle limiting plate 3, the first connecting plate 5, the protruding limiting point 6, the second connecting plate 8 and the wiring board 9 are of an integrated structure.
Referring to fig. 1 and 2, in order to increase the strength of the retainer ring 2; the retainer ring 2 is a stainless steel retainer ring.
Referring to fig. 1 and 2, in order to act with a limiting point inside the plastic part, the grounding copper part is firmly clamped inside the plastic part and is not easy to fall out; one end of the first connecting plate 5 is provided with a bending structure.
Referring to fig. 1 and 2, the ground plate 1 is installed for convenience; the grounding plate 1 is provided with a groove 11, and a round corner 12 is arranged at a port of the groove 11.
Referring to fig. 1 and 2, the wiring board 9 is configured as a double-layer structure, and the double-layer thickening treatment makes the grounding structure more firm and not easy to deform.
Referring to fig. 4, the wiring board 9 is fixed to the plastic member for convenience; the lower surface of the wiring board 9 is provided with a clamping groove 13.
The assembling method of the grounding plate 1 and the retainer ring 2 comprises the following steps:
s1, clamping the circular ring of the retainer ring 2 into a limiting groove 4 between the right-angle limiting plate 3 and the grounding piece;
s2, pressing the first connecting plate 5 inwards to enable the convex limiting point 6 to shrink inwards;
s3, clamping the convex blocks 7 at the opening side of the retainer ring 2 into the convex limiting points 6;
s4, when the protruding block 7 is completely clamped on the protruding limiting point 6, the first connecting plate 5 is loosened, the protruding limiting point 6 is reset outwards, the retainer ring 2 is firmly clamped, and the assembly is completed.
The use method of the grounding structure comprises the following steps: the bottom conductive piece is disassembled, the grounding structure is placed in the grounding groove in the plastic piece, the clamping groove 13 is clamped with the bulge on the plastic piece, the bottom conductive piece is placed in the main body of the plastic piece, and the longitudinal wiring hole 10 of the grounding structure is crossed with and contacted with the transverse groove 11 of the conductive piece, so that the installation is completed.
Example 2
Referring to fig. 1-4, a novel grounding structure of binding post, including earthing piece 1 and retaining ring 2, retaining ring 2 can dismantle the setting is in the one end of earthing piece 1 still includes:
the right-angle limiting plate 3, one end of the right-angle limiting plate 3 is fixedly arranged on the lower surface of the grounding plate 1;
the limiting groove 4 is arranged between the right-angle limiting plate 3 and the grounding piece 1, and one end of the retainer ring 2 is inserted into the limiting groove 4;
the first connecting plates 5 are provided with two groups, and the two groups of the first connecting plates 5 are symmetrically arranged on two sides of one end of the grounding piece 1;
a protruding limiting point 6, wherein the protruding limiting point 6 is fixedly arranged on the surface of the first connecting plate 5;
a bump 7, wherein the bump 7 is integrally formed at the end part of the retainer ring 2, and the bump 7 is abutted against the outer surface of the bump limiting point 6;
the second connecting plate 8 is fixedly arranged at the other end of the grounding plate 1;
a wiring board 9, wherein one end of the wiring board 9 is fixedly connected with the other end of the second connecting board 8;
and a wiring hole 10, wherein the wiring hole 10 is opened on the wiring board 9.
Referring to fig. 1 and 2, in order to increase the strength and hardness of the ground structure; the grounding piece 1, the right-angle limiting plate 3, the first connecting plate 5, the protruding limiting point 6, the second connecting plate 8 and the wiring board 9 are made of copper materials, and the grounding piece 1, the right-angle limiting plate 3, the first connecting plate 5, the protruding limiting point 6, the second connecting plate 8 and the wiring board 9 are of an integrated structure.
Referring to fig. 1 and 2, in order to increase the strength of the retainer ring 2; the retainer ring 2 is a stainless steel retainer ring.
Referring to fig. 1 and 2, in order to act with a limiting point inside the plastic part, the grounding copper part is firmly clamped inside the plastic part and is not easy to fall out; one end of the first connecting plate 5 is provided with a bending structure.
Referring to fig. 1 and 2, the ground plate 1 is installed for convenience; the grounding plate 1 is provided with a groove 11, and a round corner 12 is arranged at a port of the groove 11.
Referring to fig. 1 and 2, the wiring board 9 is configured as a double-layer structure, and the double-layer thickening treatment makes the grounding structure more firm and not easy to deform.
Referring to fig. 3 and 4, the wiring board 9 is conveniently mounted and fixed with the plastic part; the lower surface of the wiring board 9 is provided with a clamping groove 13.
The assembling method of the grounding plate 1 and the retainer ring 2 comprises the following steps:
s1, clamping the circular ring of the retainer ring 2 into a limiting groove 4 between the right-angle limiting plate 3 and the grounding piece;
s2, pressing the first connecting plate 5 inwards to enable the convex limiting point 6 to shrink inwards;
s3, clamping the convex blocks 7 at the opening side of the retainer ring 2 into the convex limiting points 6;
s4, when the protruding block 7 is completely clamped on the protruding limiting point 6, the first connecting plate 5 is loosened, the protruding limiting point 6 is reset outwards, the retainer ring 2 is firmly clamped, and the assembly is completed.
Example 3
Referring to fig. 1-4, a novel grounding structure of binding post, including earthing piece 1 and retaining ring 2, retaining ring 2 can dismantle the setting is in the one end of earthing piece 1 still includes:
the right-angle limiting plate 3, one end of the right-angle limiting plate 3 is fixedly arranged on the lower surface of the grounding plate 1;
the limiting groove 4 is arranged between the right-angle limiting plate 3 and the grounding piece 1, and one end of the retainer ring 2 is inserted into the limiting groove 4;
the first connecting plates 5 are provided with two groups, and the two groups of the first connecting plates 5 are symmetrically arranged on two sides of one end of the grounding piece 1;
a protruding limiting point 6, wherein the protruding limiting point 6 is fixedly arranged on the surface of the first connecting plate 5;
a bump 7, wherein the bump 7 is integrally formed at the end part of the retainer ring 2, and the bump 7 is abutted against the outer surface of the bump limiting point 6;
the second connecting plate 8 is fixedly arranged at the other end of the grounding plate 1;
a wiring board 9, wherein one end of the wiring board 9 is fixedly connected with the other end of the second connecting board 8;
and a wiring hole 10, wherein the wiring hole 10 is opened on the wiring board 9.
Referring to fig. 1 and 2, in order to increase the strength and hardness of the ground structure; the grounding piece 1, the right-angle limiting plate 3, the first connecting plate 5, the protruding limiting point 6, the second connecting plate 8 and the wiring board 9 are made of copper materials, and the grounding piece 1, the right-angle limiting plate 3, the first connecting plate 5, the protruding limiting point 6, the second connecting plate 8 and the wiring board 9 are of an integrated structure.
Referring to fig. 1 and 2, in order to increase the strength of the retainer ring 2; the retainer ring 2 is a stainless steel retainer ring.
Referring to fig. 1 and 2, in order to act with a limiting point inside the plastic part, the grounding copper part is firmly clamped inside the plastic part and is not easy to fall out; one end of the first connecting plate 5 is provided with a bending structure.
Referring to fig. 1 and 2, the ground plate 1 is installed for convenience; the grounding plate 1 is provided with a groove 11, and a round corner 12 is arranged at a port of the groove 11.
Referring to fig. 1 and 2, the wiring board 9 is configured as a double-layer structure, and the double-layer thickening treatment makes the grounding structure more firm and not easy to deform.
Referring to fig. 3 and 4, the wiring board 9 is conveniently mounted and fixed with the plastic part; the lower surface of the wiring board 9 is provided with a clamping groove 13.
The use principle and the advantages are that:
the first, the invention is suitable for all terminals of the card guide rail, the application scope is wide;
secondly, the grounding plate 1 is integrally formed without splicing, and the wiring board 9 is thickened through a process, so that the grounding plate is in closer contact with a conductive piece and is well electrified;
the grounding structure can be directly installed under the condition of no tool during installation, and is simple and convenient to operate.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Novel ground connection structure of binding post, including earthing piece (1) and retaining ring (2), retaining ring (2) can dismantle the setting and be in one end of earthing piece (1), its characterized in that still includes:
the right-angle limiting plate (3), one end of the right-angle limiting plate (3) is fixedly arranged on the lower surface of the grounding plate (1);
the limiting groove (4) is formed between the right-angle limiting plate (3) and the grounding piece (1), and one end of the retainer ring (2) is inserted into the limiting groove (4);
the first connecting plates (5) are arranged in two groups, and the two groups of the first connecting plates (5) are symmetrically arranged on two sides of one end of the grounding piece (1);
the protruding limiting point (6) is fixedly arranged on the surface of the first connecting plate (5);
the lug (7) is integrally formed at the end part of the retainer ring (2), and the lug (7) is abutted against the outer surface of the bulge limiting point (6);
the second connecting plate (8) is fixedly arranged at the other end of the grounding piece (1);
the wiring board (9), one end of the wiring board (9) is fixedly connected with the other end of the second connecting board (8);
and a wiring hole (10), wherein the wiring hole (10) is arranged on the wiring board (9).
2. The novel grounding structure of a connecting terminal according to claim 1, wherein: the grounding piece (1) the right angle limiting plate (3), the first connecting plate (5), the protruding limiting point (6), the second connecting plate (8) and the wiring board (9) are made of copper materials, and the grounding piece (1) the right angle limiting plate (3), the first connecting plate (5), the protruding limiting point (6), the second connecting plate (8) and the wiring board (9) are of an integrated structure.
3. The novel grounding structure of a connecting terminal according to claim 1, wherein: the check ring (2) is a stainless steel check ring.
4. The novel grounding structure of a connecting terminal according to claim 1, wherein: one end of the first connecting plate (5) is provided with a bending structure.
5. The novel grounding structure of a connecting terminal according to claim 1, wherein: the grounding piece (1) is provided with a groove (11), and a round corner (12) is arranged at a port of the groove (11).
6. The novel grounding structure of a connecting terminal according to claim 1, wherein: the wiring board (9) is arranged to be of a double-layer structure.
7. The novel grounding structure of a connecting terminal according to claim 1, wherein: a clamping groove (13) is formed in the lower surface of the wiring board (9).
8. The novel grounding structure of a connecting terminal according to claim 1, wherein: the assembling method of the grounding piece (1) and the retainer ring (2) comprises the following steps:
s1, clamping a circular ring of a retainer ring (2) into a limiting groove (4) between a right-angle limiting plate (3) and a grounding piece;
s2, pressing the first connecting plate (5) inwards to enable the convex limiting point (6) to shrink inwards;
s3, clamping the convex blocks (7) at the opening side of the retainer ring (2) into the convex limiting points (6);
s4, when the protruding block (7) is completely clamped into the protruding limiting point (6), the first connecting plate (5) is loosened, the protruding limiting point (6) is reset outwards, the retainer ring (2) is firmly clamped, and assembly is completed.
9. The novel grounding structure of a connecting terminal according to claim 1, wherein: the use method of the grounding structure comprises the following steps: the bottom conductive piece is disassembled, the grounding structure is placed in the grounding groove in the plastic piece, the clamping groove (13) is clamped with the bulge on the plastic piece, the bottom conductive piece is placed in the main body of the plastic piece, and the longitudinal wiring hole (10) of the grounding structure is crossed with and contacted with the transverse groove (11) of the conductive piece, so that the installation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321127.XA CN114156667B (en) | 2021-11-09 | 2021-11-09 | Novel grounding structure of binding post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111321127.XA CN114156667B (en) | 2021-11-09 | 2021-11-09 | Novel grounding structure of binding post |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114156667A CN114156667A (en) | 2022-03-08 |
| CN114156667B true CN114156667B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111321127.XA Active CN114156667B (en) | 2021-11-09 | 2021-11-09 | Novel grounding structure of binding post |
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| Country | Link |
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| CN (1) | CN114156667B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337055A (en) * | 2013-04-18 | 2016-02-17 | 江苏省电力公司常州供电公司 | Binding post connection structure of grounding lead-up wire |
| CN213845603U (en) * | 2020-12-21 | 2021-07-30 | 万坤电气有限公司 | Multilayer direct-insert type wiring terminal |
| CN113224551A (en) * | 2021-03-03 | 2021-08-06 | 万坤电气有限公司 | Novel side direct-insert wiring mode |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM583144U (en) * | 2019-04-09 | 2019-09-01 | 佳必琪國際股份有限公司 | Card edge connector structure |
-
2021
- 2021-11-09 CN CN202111321127.XA patent/CN114156667B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337055A (en) * | 2013-04-18 | 2016-02-17 | 江苏省电力公司常州供电公司 | Binding post connection structure of grounding lead-up wire |
| CN213845603U (en) * | 2020-12-21 | 2021-07-30 | 万坤电气有限公司 | Multilayer direct-insert type wiring terminal |
| CN113224551A (en) * | 2021-03-03 | 2021-08-06 | 万坤电气有限公司 | Novel side direct-insert wiring mode |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114156667A (en) | 2022-03-08 |
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