CN109546364B - Anti-rotation bolt assembly for conductive purpose - Google Patents
Anti-rotation bolt assembly for conductive purpose Download PDFInfo
- Publication number
- CN109546364B CN109546364B CN201811533753.3A CN201811533753A CN109546364B CN 109546364 B CN109546364 B CN 109546364B CN 201811533753 A CN201811533753 A CN 201811533753A CN 109546364 B CN109546364 B CN 109546364B
- Authority
- CN
- China
- Prior art keywords
- screw
- bolt
- square
- insulation
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/223—Insulating enclosures for terminals
Landscapes
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
Abstract
The invention relates to an anti-rotation bolt assembly for electrical conduction purposes, comprising: the bolt comprises a bolt cap, a square screw rod and a round screw rod from bottom to top in sequence, the bolt cap, the square screw rod and the round screw rod are fixedly connected or integrally formed, and threads are arranged on the outer surface of the round screw rod; the wire pressing assembly is sleeved on the round screw rod and is in threaded connection with the round screw rod; the insulating assembly is sleeved on the square screw rod and used for realizing insulation between the bolt and the shell; the wiring terminal is provided with an inner hole matched with the square screw, and the inner control sleeve is sleeved on the lower portion of the square screw and is in contact with the bolt cap. The anti-rotation bolt assembly for the electric conduction and the using method thereof are easy to disassemble and assemble, and have simple structure, stability and reliability.
Description
Technical Field
The invention relates to the field of equipment accessories, in particular to an anti-rotation bolt assembly for electric conduction.
Background
In an EMI filter and a power filter, there are generally the following methods at an input port and an output port thereof: connectors, insulator leads, bolt leads, and the like. The bolt lead mode is because through nut mechanical fastening, not only can guarantee that the wiring contact is firm, simple to operate moreover, the reliability is high. Therefore, the bolt lead mode is widely applied to the military industry field.
The bolt lead mode is mainly that the bolt conducts electricity through the bolt, the bolt is isolated from the shell by using an insulating material at the contact position of the bolt and the shell, the copper terminal and the bolt are soldered together in the shell, and then a lead is welded with the copper terminal; the user presses the wire together with the bolt through the flat spring gasket and the nut on the outer side of the shell. However, when the user tightens the nut, the bolt rotates simultaneously with the nut as the tightening torque increases, causing the copper terminals of the welding wires inside the housing to rotate simultaneously, causing the wire welding joint inside the housing to be broken.
Disclosure of Invention
The invention aims at solving the problems in the prior art, namely, the invention aims to provide an anti-rotation bolt assembly for electric conduction and a using method thereof, which are easy to disassemble and assemble, simple in structure, stable and reliable.
The technical scheme for solving the technical problems is as follows:
the invention provides an anti-rotation bolt assembly for conductive applications, comprising:
the bolt comprises a bolt cap, a square screw and a round screw from bottom to top in sequence, wherein the bolt cap, the square screw and the round screw are fixedly connected or integrally formed, and the outer surface of the round screw is provided with threads;
the wire pressing assembly is sleeved on the round screw and is in threaded connection with the round screw;
the insulating assembly is sleeved on the square screw rod;
and the wiring terminal is sleeved on the lower part of the square screw and is in contact with the bolt cap.
The invention has the beneficial effects that: the anti-rotation bolt assembly for the electric conduction and the use method thereof are provided, and not only are the assembly and disassembly easy, but also the structure is simple, stable and reliable. The contact position of the bolt and the shell is isolated from the shell by an insulating assembly, the copper terminal and the bolt cap are soldered together inside the shell, and then the lead is welded with the copper terminal; the user presses the wire and the bolt together through the wire pressing assembly on the outer side of the shell. When the nut of line ball subassembly is screwed up to the user, along with the increase of screwing up moment, square screw rod plays the fixed action to the bolt, has avoided rotating simultaneously because of the bolt follows the nut, leads to the copper terminal of the inside welding wire of casing to rotate simultaneously to make the inside wire welded joint of casing twist the problem disconnected.
Furthermore, the line pressing assembly comprises two flat washers and a nut, the internal thread of the nut is matched with the external thread of the round screw, and the two flat washers are located below the nut.
Furthermore, the line pressing assembly further comprises an elastic washer, and the elastic washer is sleeved on the round screw and located between the flat washer and the nut.
Furthermore, the line pressing assembly comprises two nuts and three flat washers, the internal threads of the nuts are matched with the external threads of the round screws, the two flat washers are located between the two nuts, and the other flat washer is located below the nut on the lower side.
Furthermore, the insulation assembly comprises an insulation base and an insulation cap, the insulation base comprises an insulation cylinder and an insulation ring which are integrally formed, the insulation ring is connected to the bottom surface of the insulation cylinder, the insulation cylinder is sleeved outside the square screw, and the insulation ring is abutted to the wiring terminal; the insulating cap is sleeved on the square screw or the round screw, and a cavity for connecting an external structure is formed among the outer side of the insulating cylinder, the insulating ring and the insulating cap.
The beneficial effects of the above further scheme are: during installation, the insulating ring is generally clamped between an external structure (such as a shell) and the conductive terminal, meanwhile, the insulating cylinder realizes insulation between the bolt and the shell, and insulation between the shell and the wire pressing assembly is realized above the shell through the insulating cap, so that complete insulation protection is formed, and the insulating cylinder is safer and more reliable.
Further, the cross section of the square screw rod is a square with four corners being round chamfers; the inner hole of the wiring terminal is a hole matched with the cross section of the square screw rod; the cross section of the inner cavity of the insulating cylinder is a hole matched with the cross section of the square screw rod.
Furthermore, the size tolerance of the inner hole of the insulating cylinder and the square screw is in the range of 0 to +0.1 mm.
The beneficial effects of the above further scheme are: the cross section of the square screw and four corners in the inner hole of the wiring terminal are all chamfered into round corners to be easy to process, smooth assembly can be guaranteed by controlling tolerance, and the bolt is prevented from rotating along with the bolt in the process of screwing the nut due to overlarge clearance.
Further, the height of the upper surface of the square screw rod does not exceed the height of the upper surface of the insulation cap.
Further, the insulation assembly is made of a high-toughness high-strength insulation material.
The beneficial effects of the above further scheme are: because the insulating component which is matched with the bolt and is contacted with the shell can be under the action of shearing stress, the insulating component is required to be made of a material which has excellent insulating property, higher strength and toughness, easy processing and difficult cracking, so that the condition that the bolt integrally rotates due to the deformation of the material under the action of torsion is avoided.
Further, the bolt is made of a nickel-plated copper alloy material with the integral surface.
The beneficial effects of the above further scheme are: the conductive terminal is required to have excellent conductivity, good welding performance and not too high strength, and is not easy to compress when pressing the wire, so that the conductive terminal is made of a pure copper material and subjected to surface nickel plating treatment.
Drawings
FIG. 1 is a schematic view of the assembled anti-rotation bolt assembly for electrical conduction use of the present invention;
FIG. 2 is a schematic structural view of the bolt of the present invention;
FIG. 3 is a top view of the bolt of the present invention;
FIG. 4 is a cross-sectional view of the insulator base of the present invention;
fig. 5 is a sectional view of an insulative cap of the present invention.
Description of reference numerals:
1. the lead-free connector comprises a round screw, 2 nuts, 3 spring washers, 4 flat washers, 5 insulating caps, 6 insulating bases, 61 insulating cylinders, 62 insulating rings, 7 bolt caps, 8 wiring terminals, 9 shells, 10 square screws and 11 crimped leads.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
The invention provides an anti-rotation bolt assembly for conductive applications, comprising:
the bolt comprises a bolt cap 7, a square screw 10 and a round screw 1 from bottom to top in sequence, wherein the bolt cap 7, the square screw 10 and the round screw 1 are fixedly connected or integrally formed, and threads are arranged on the outer surface of the round screw 1;
the wire pressing assembly is sleeved on the circular screw rod 1 and is in threaded connection with the circular screw rod 1;
the insulation assembly is sleeved on the square screw rod 10 and used for realizing insulation between the bolt and the shell 9;
the wiring terminal is provided with an inner hole matched with the square screw 10, and the inner control sleeve is sleeved on the lower portion of the square screw 10 and is in contact with the bolt cap 7.
Furthermore, the line pressing assembly comprises two flat washers, a nut and an elastic washer, the internal thread of the nut is matched with the external thread of the circular screw, the two flat washers are located below the nut, and the elastic washer is sleeved on the circular screw and located between the flat washers and the nut.
As a further scheme of the present invention, the insulation assembly includes an insulation base 6 and an insulation cap 5, the insulation base 6 includes an insulation cylinder 61 and an insulation ring 62 which are integrally formed, the insulation ring 62 is connected to a bottom surface of the insulation cylinder 61, the insulation cylinder 61 is sleeved outside the square screw 10 and clamped between the square screw 10 and the mounting hole on the housing 9, and the insulation ring 62 is clamped between the connection terminal and an inner surface of the housing 9; the insulating cap 5 is sleeved on the square screw 10 or the round screw 1 and clamped between the outer wall of the shell 9 and the wire pressing assembly.
As a further scheme of the present invention, the cross section of the square screw 10 is a square with four corners being rounded off; the inner hole of the wiring terminal is a hole matched with the section of the square screw 10; the section of the inner cavity of the insulating cylinder 61 is a hole matched with the section of the square screw 10, and the dimensional tolerance of the inner hole of the insulating cylinder 61 and the square screw 10 is within 0 to +0.1 mm.
As a further aspect of the present invention, the insulation assembly is made of a high-toughness, high-strength insulation material.
As a further scheme of the invention, the bolt is made of a nickel-plated copper alloy material with the integral surface.
Example 2
The invention provides an anti-rotation bolt assembly for conductive applications, comprising:
the bolt comprises a bolt cap 7, a square screw 10 and a round screw 1 from bottom to top in sequence, wherein the bolt cap 7, the square screw 10 and the round screw 1 are fixedly connected or integrally formed, and threads are arranged on the outer surface of the round screw 1;
the wire pressing assembly is sleeved on the circular screw rod 1 and is in threaded connection with the circular screw rod 1;
the insulation assembly is sleeved on the square screw rod 10 and used for realizing insulation between the bolt and the shell 9;
the wiring terminal is provided with an inner hole matched with the square screw 10, and the inner control sleeve is sleeved on the lower portion of the square screw 10 and is in contact with the bolt cap 7.
Furthermore, the line pressing assembly comprises two nuts, three flat washers and an elastic washer, the internal thread of each nut is matched with the external thread of the circular screw, the two flat washers are located between the two nuts, the other flat washer is located below the nut on the lower side, and the elastic washer is sleeved on the circular screw and located between the flat washer and the nut on the upper side.
As a further scheme of the present invention, the insulation assembly includes an insulation base 6 and an insulation cap 5, the insulation base 6 includes an insulation cylinder 61 and an insulation ring 62 which are integrally formed, the insulation ring 62 is connected to a bottom surface of the insulation cylinder 61, the insulation cylinder 61 is sleeved outside the square screw 10 and clamped between the square screw 10 and the mounting hole on the housing 9, and the insulation ring 62 is clamped between the connection terminal and an inner surface of the housing 9; the insulating cap 5 is sleeved on the square screw 10 or the round screw 1 and clamped between the outer wall of the shell 9 and the wire pressing assembly.
As a further scheme of the present invention, the cross section of the square screw 10 is a square with four corners being rounded off; the inner hole of the wiring terminal is a hole matched with the section of the square screw 10; the section of the inner cavity of the insulating cylinder 61 is a hole matched with the section of the square screw 10, and the dimensional tolerance of the inner hole of the insulating cylinder 61 and the square screw 10 is within 0 to +0.1 mm.
As a further aspect of the present invention, the insulation assembly is made of a high-toughness, high-strength insulation material.
As a further scheme of the invention, the bolt is made of a nickel-plated copper alloy material with the integral surface.
In other words, as shown in fig. 1 to 5, the anti-rotation bolt assembly for electric conduction provided by the invention is not only easy to disassemble and assemble, but also simple in structure, stable and reliable. The user presses the wire to the bolt through the flat washer 4 and the nut 2 outside the housing 9. However, when the user tightens the nut 2, the bolt simultaneously turns following the nut 2 with an increase in tightening torque, causing the copper terminals of the welding wires inside the housing 9 to simultaneously turn, so that the wire welding joint inside the housing 9 is broken.
The square screw 10 of the bolt is connected with a conductive terminal, and the inner hole of the conductive terminal is a square hole; the square screw 10 is connected with an insulating base, and the inner hole of the insulating base is a square hole and the shape of the inner hole is square; the insulating base is matched with the shell, and the opening of the shell is a square hole. Insulator cap and insulator foot cooperation: the inner hole of the insulating cap is square, and the shape of the insulating cap is circular.
The length of the square screw 10 must not exceed the length of the upper surface of the insulating cap 5, and correspondingly, the cross section of the round screw at the matching part with the nut 2 and the flat elastic washer is round.
The cross section of the square screw rod 10 is a square cross section, and four corners are respectively chamfered into round corners.
The insulating assembly which is matched with the bolt and contacted with the shell 9 is required to have excellent insulating property due to the action of shearing stress, have higher strength and toughness, be easy to process and not easy to crack, so that the softer material is prevented from deforming under the action of torsion, and the bolt is enabled to integrally rotate. For example, a high-toughness high-wear-resistance polypropylene material or an epoxy-based composite material, or a class F EPGC, etc. can be used.
The shape of an inner hole of the insulating assembly (namely the insulating base and the insulating cap) is square, four corners are all chamfered into round corners to be easy to process, smooth assembly can be guaranteed through controlling tolerance, and the phenomenon that the bolt rotates along with the bolt in the process of screwing the nut due to overlarge clearance is avoided.
The bolt is required to have good electrical conductivity, high strength, excellent processing performance and low cost, so that the bolt is made of brass alloy and is plated with nickel on the whole surface. The size of the bolt component can be customized into models with various national standard specifications according to the actual needs of users.
The conductive terminal is required to have excellent conductivity, good welding performance and not too high strength, and is not easy to compress when pressing the wire, so that the conductive terminal is made of pure copper materials and subjected to surface nickel plating treatment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. An anti-rotation bolt assembly for conductive applications, comprising:
the bolt comprises a bolt cap, a square screw and a round screw from bottom to top in sequence, wherein the bolt cap, the square screw and the round screw are fixedly connected or integrally formed, and the outer surface of the round screw is provided with threads;
the wire pressing assembly is sleeved on the round screw and is in threaded connection with the round screw;
the insulating assembly is sleeved on the square screw rod;
the wiring terminal is sleeved at the lower part of the square screw and is in contact with the bolt cap;
the insulation assembly comprises an insulation base and an insulation cap, the insulation base comprises an insulation cylinder and an insulation ring which are integrally formed, the insulation ring is connected to the bottom surface of the insulation cylinder, the insulation cylinder is sleeved outside the square screw, and the insulation ring is abutted to the wiring terminal; the insulating cap is sleeved on the square screw or the round screw, and a cavity for connecting an external structure is formed among the outer side of the insulating cylinder, the insulating ring and the insulating cap.
2. An anti-rotation bolt assembly for electrical conduction use according to claim 1, wherein the crimping assembly comprises two flat washers and a nut, the internal thread of the nut fitting the external thread of the round screw, the two flat washers being located below the nut.
3. An anti-rotation bolt assembly for electrical conduction use as claimed in claim 2, wherein the wire crimping assembly further comprises a resilient washer which is sleeved over the round screw and located between the flat washer and the nut.
4. An anti-rotation bolt assembly for electrical conduction use according to claim 1, characterised in that the crimping assembly comprises two nuts with internal threads adapted to the external threads of the round screw and three flat washers, two of which are located between the two nuts and the other below the lower nut.
5. An anti-rotation bolt assembly for electrical conduction use according to claim 1, wherein the cross section of the square screw is square with four corners each rounded off; the inner hole of the wiring terminal is a hole matched with the cross section of the square screw rod; the cross section of the inner cavity of the insulating cylinder is a hole matched with the cross section of the square screw rod.
6. An anti-rotation bolt assembly for conductive use according to claim 5, wherein the dimensional tolerance of the inner bore of the insulating cylinder to the square screw is in the range of 0 to +0.1 mm.
7. An anti-rotation bolt assembly for conductive use according to claim 6, wherein the height of the upper surface of the square screw does not exceed the height of the upper surface of the insulative cap.
8. An anti-rotation bolt assembly for conductive use according to claim 6, characterized in that the bolt is made of a material having an integral surface plated with nickel-copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533753.3A CN109546364B (en) | 2018-12-14 | 2018-12-14 | Anti-rotation bolt assembly for conductive purpose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533753.3A CN109546364B (en) | 2018-12-14 | 2018-12-14 | Anti-rotation bolt assembly for conductive purpose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546364A CN109546364A (en) | 2019-03-29 |
| CN109546364B true CN109546364B (en) | 2020-09-01 |
Family
ID=65856202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811533753.3A Active CN109546364B (en) | 2018-12-14 | 2018-12-14 | Anti-rotation bolt assembly for conductive purpose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109546364B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019210561A1 (en) * | 2019-07-17 | 2021-01-21 | Volkswagen Aktiengesellschaft | Connection arrangement |
| CN110634715A (en) * | 2019-09-26 | 2019-12-31 | 苏州聚天合金属科技有限公司 | Circuit breaker pin piece, circuit breaker and electrochemical device |
| CN111817676B (en) * | 2020-06-28 | 2023-11-21 | 重庆大及电子科技有限公司 | Bolt leading-out type filtering device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201036136Y (en) * | 2007-04-30 | 2008-03-12 | 西安铁路局西安电务器材厂 | Choke transformer traction coil leading device |
| CN204127076U (en) * | 2014-09-08 | 2015-01-28 | 广西玉柴机器股份有限公司 | A kind of rapid-assembling/disassembling anti-turn bolt |
| CN204344636U (en) * | 2014-10-31 | 2015-05-20 | 深圳市西多利实业有限公司 | A kind of anti-rotation stud |
| CN204668727U (en) * | 2015-04-21 | 2015-09-23 | 安徽鑫龙电器股份有限公司 | A kind of syndeton of low-voltage cabinet copper bar |
| CN207573157U (en) * | 2017-12-04 | 2018-07-03 | 南京磁谷科技有限公司 | A kind of board-like binding post structure |
-
2018
- 2018-12-14 CN CN201811533753.3A patent/CN109546364B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201036136Y (en) * | 2007-04-30 | 2008-03-12 | 西安铁路局西安电务器材厂 | Choke transformer traction coil leading device |
| CN204127076U (en) * | 2014-09-08 | 2015-01-28 | 广西玉柴机器股份有限公司 | A kind of rapid-assembling/disassembling anti-turn bolt |
| CN204344636U (en) * | 2014-10-31 | 2015-05-20 | 深圳市西多利实业有限公司 | A kind of anti-rotation stud |
| CN204668727U (en) * | 2015-04-21 | 2015-09-23 | 安徽鑫龙电器股份有限公司 | A kind of syndeton of low-voltage cabinet copper bar |
| CN207573157U (en) * | 2017-12-04 | 2018-07-03 | 南京磁谷科技有限公司 | A kind of board-like binding post structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109546364A (en) | 2019-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109546364B (en) | Anti-rotation bolt assembly for conductive purpose | |
| US20100203776A1 (en) | Socket Contact | |
| CN106797076A (en) | Crimping contact | |
| CN107404014B (en) | Anti-loosening equipment cable clamp | |
| US9509126B1 (en) | Power distribution box comprising a screw with a sleeve | |
| CN201590497U (en) | Terminal with flange plate and terminal connecting body | |
| CN216818747U (en) | Full-shielding metal aerial plug connector | |
| EP3683892A3 (en) | Electrical connector | |
| CN212162232U (en) | Seamless contact pin plug bush | |
| CN210576870U (en) | Electric connector convenient to dismantle | |
| CN211150801U (en) | Low-voltage wire copper-aluminum transition connecting device | |
| CN111952755B (en) | Direct-insert copper-aluminum connector | |
| CN111740270B (en) | Connector adapter of high-temperature irradiation-resistant waterproof TNC (TNC) adapter M5 socket | |
| CN211237941U (en) | Guide rod type sleeve | |
| CN210092408U (en) | Ball head composite quick-insertion structure | |
| CN208955204U (en) | The improvement structure of European tangible cable connector | |
| CN208508071U (en) | A kind of sub-miniature A connector | |
| CN209461652U (en) | A kind of big line footpath conducting wire connection intermediate terminal | |
| CN208256428U (en) | A kind of connecting terminal, casing and transformer | |
| CN113346295A (en) | Spring pressure quick locking type electric connector | |
| CN2593374Y (en) | Electrode terminal structure with low resistance for battery | |
| CN2840435Y (en) | High-voltage large-current cable coaxle connector | |
| CN221009445U (en) | Device connector capable of realizing arbitrary rotation angle and transmitting electric energy | |
| CN2255672Y (en) | Plug contact structure of electric plug-socket switch | |
| CN210985008U (en) | Photovoltaic connector and connector assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |