CN114976725A - Connecting structure for copper bar and plug-in unit of high-low voltage power distribution cabinet - Google Patents
Connecting structure for copper bar and plug-in unit of high-low voltage power distribution cabinet Download PDFInfo
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- CN114976725A CN114976725A CN202210600215.1A CN202210600215A CN114976725A CN 114976725 A CN114976725 A CN 114976725A CN 202210600215 A CN202210600215 A CN 202210600215A CN 114976725 A CN114976725 A CN 114976725A
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- groove
- low voltage
- column
- power distribution
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 52
- 239000010949 copper Substances 0.000 title claims abstract description 52
- 238000003780 insertion Methods 0.000 claims description 38
- 230000037431 insertion Effects 0.000 claims description 38
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- 238000005452 bending Methods 0.000 description 14
- 238000012856 packing Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000007787 solid Substances 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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact 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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Distribution Board (AREA)
Abstract
The invention discloses a connecting structure for a copper bar and a plug-in unit of a high-low voltage power distribution cabinet, which relates to the technical field of power equipment and comprises a plug bush part arranged at the end part of the copper bar and a plug block part on the plug-in unit, wherein a pin locking mechanism is arranged between the plug bush part and the plug block part and is provided with an avoiding position and a bayonet position.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a connecting structure for a copper bar and a plug-in unit of a high-low voltage power distribution cabinet.
Background
The high-low voltage power distribution cabinet plays the roles of electric energy distribution, control, measurement and cable connection in an electric power supply system, and the high-low voltage power distribution cabinet is usually provided with connecting structures such as copper bars and plug-ins for circuit communication.
The prior Chinese patent publication number is as follows: CN112053799B, the name of this patent is "a switch board copper bar connection structure", this patent includes "fixed establishment," the fixed establishment has two places altogether, in the invention, when needing to extend the working distance of main copper bar and vice copper bar, can make it shrink through manually nipping and pressing two bullet caps earlier, slide vice copper bar along the copper bar spout to the right side from the inside of main copper bar after the shrink is accomplished, can reach and extend the length of vice copper bar and main copper bar, can effectually adjust according to the difference of working length, in order to reach more practical purpose.
The weak point lies in among the prior art, when each copper bar carries out erection joint, often carries out fixed connection through a plurality of bolt and nut, but this mode is very inconvenient when the cabinet body is installed in the space is comparatively narrow and short.
Disclosure of Invention
The invention aims to provide a connecting structure for a copper bar and a plug-in unit of a high-low voltage power distribution cabinet, so as to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a connection structure for high-low voltage distribution cabinet copper bar and plug-in components, including setting up in the plug bush portion of copper bar tip, the inserted block portion on the plug-in components, be equipped with round pin locking mechanism between plug bush portion and the inserted block portion, round pin locking mechanism has dodges position and bayonet lock position, and when plug bush portion and inserted block portion looks plug bush, round pin locking mechanism is located the bayonet lock position this moment to it is spacing to carry out plug bush portion and inserted block portion.
Preferably, the plug bush portion comprises a socket structure arranged at one end of the copper bar, and the socket structure can be in plug fit with the plug block portion.
Preferably, the socket structure comprises a socket and a socket groove, and the depth value of the socket is larger than the groove length value of the socket groove.
Preferably, the inserting block part comprises a first inserting column and a second inserting column, the first inserting column can be in adaptive inserting connection with the inserting port, and the second inserting column can be in adaptive inserting connection with the inserting groove.
Preferably, the pin locking mechanism comprises a card extending assembly and a limiting structure.
Preferably, the card extending assembly comprises a through hole which is arranged on the wall of the insertion groove and communicated with the insertion port, and a pin rod which can extend into the insertion groove is movably inserted into the through hole.
Preferably, the insertion end of the first insertion column is provided with a bevel part, and the bevel part can be in sliding contact with the pin rod.
Preferably, the limiting structure comprises a gap groove formed in one side of the second plug-in column, a filling column fixed to the wall of the plug-in groove is arranged in the gap groove, and a plug-in hole structure is formed between one end of the filling column and the gap groove.
Preferably, the inserting structure is composed of a first arc-shaped groove and a second arc-shaped groove, the first arc-shaped groove is located on the filling column, and the second arc-shaped groove is located on the notch groove.
Preferably, the inner bottom of the socket is provided with a wedge-shaped part which is matched and attached with the inclined plane part.
In the technical scheme, the connecting structure for the copper bar and the plug-in unit of the high-low voltage power distribution cabinet, provided by the invention, has the advantages that the plug bush part, the plug block part and the pin locking mechanism are arranged, when the plug bush part and the plug block part are plugged, the pin locking mechanism limits the sleeved plug bush part and the sleeved plug block part, the whole installation process can be stably connected only by plugging, the operation is simple and convenient, the time is saved, and the convenience of connection and installation in an installation environment with narrow space is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural view of a plug-in block part of a connecting structure for a copper bar and a plug-in unit of a high-low voltage power distribution cabinet according to the present invention;
fig. 2 is a schematic structural view of a plug bush part of the connection structure for the copper bar and the plug-in unit of the high-low voltage power distribution cabinet of the invention;
fig. 3 is a schematic cross-sectional structural view of the plug bush part of the connection structure for the copper bar and the plug-in unit of the high-low voltage power distribution cabinet according to the invention;
fig. 4 is a schematic cross-sectional structural view of the plug block part of the connection structure for the copper bar and the plug-in unit of the high-low voltage power distribution cabinet according to the invention;
FIG. 5 is a schematic cross-sectional view of a pin lock mechanism of the connection structure for the copper bar and the plug-in unit of the high-low voltage power distribution cabinet according to the present invention;
fig. 6 is a schematic cross-sectional structure view of the connection structure for the copper bar and the plug-in unit of the high-low voltage power distribution cabinet according to the present invention when the plug-in block portion is inserted into the plug-in sleeve portion;
fig. 7 is a schematic view of a pin rod of the connecting structure for the copper bar and the plug-in unit of the high-low voltage power distribution cabinet.
Description of reference numerals:
1. a socket portion; 1.11, a plug interface; 1.12, inserting grooves; 1.13, a wedge; 2. a block insertion part; 2.1, a first inserted column; 2.2, a second inserting column; 2.3, an inclined plane part; 3. a pin lock mechanism; 3.1, extending the card assembly; 3.11, perforating; 3.12, a pin rod; 3.2, a limiting structure; 3.21, a notch groove; 3.22, filling a column; 3.23, inserting the acupuncture point structure; 3.231, a first arc-shaped slot; 3.232, a second arc-shaped slot; 4. a through opening; 5. a thread groove; 5.1, a first spiral groove; 5.2, a second spiral groove; 6. a convex block; 7. and (4) tooth groove arrangement.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 7, the connecting structure for a copper bar and an insert of a high-and-low voltage power distribution cabinet according to an embodiment of the present invention includes an insert sleeve portion 1 disposed at an end of the copper bar, an insert block portion 2 disposed on the insert, and a pin lock mechanism 3 disposed between the insert sleeve portion 1 and the insert block portion 2, wherein the pin lock mechanism 3 has an avoiding position and a detent position, and when the insert sleeve portion 1 is inserted into the insert block portion 2, the pin lock mechanism 3 is located at the detent position, so as to limit the insert sleeve portion 1 and the insert block portion 2.
Specifically, the sleeve part 1 comprises a sleeve part fixedly sleeved with the end part of the copper bar, the sleeve part is a tubular sleeve part, the preferred tubular sleeve part is a sleeve pipe, the insert block part 2 is a cylindrical body, the insert block part 2 is a threaded insert rod, the threaded insert rod is a threaded column, the threaded insert rod can be adaptively inserted into the tubular sleeve part, preferably, the insert block part 2 can be a cylindrical rod, a plurality of circles of limiting grooves uniformly distributed are formed in the circumferential direction of the cylindrical rod, the insert block part and the insert rod can be made of metal materials such as copper or aluminum, the pin locking mechanism 3 comprises a plurality of metal strips, the number of the metal strips can be selected, the metal strips have certain elastic restoring force, the metal strips are located inside the tubular sleeve part, the length direction lines of the metal strips are parallel to the axial lead of the tubular sleeve part, one ends of the metal strips are fixed inside the tubular sleeve part, the other end of the metal strip is a bending end, the bending direction of the metal strip faces the direction of the axial lead of the tubular external member, the angle presented after the bending angle is 45 degrees, namely the inner bending angle of the metal strip after bending is 45 degrees, the end part of the metal strip after bending and the inclined plane generated by bending are both positioned on the motion stroke of the threaded plug rod, and the end part of the metal strip after bending faces one end of the tubular external member inserted into the plug block part 2;
in the practical use process, when the sleeve part 1 and the insert block part 2 are inserted in the sleeve, namely the cylindrical rod is inserted in the sleeve, in the process, the bending end of the metal strip is deformed under the extrusion of the cylindrical rod, the inner bending angle of the metal strip after bending is smaller than 45 degrees, when the sleeve part 1 and the insert block part 2 are completely inserted in the sleeve, the bending position of the metal strip is aligned with the adjacent limiting groove, the bending part of the metal strip is clamped with the limiting groove under the action of self elastic restoring force, so that the limiting locking effect is achieved when the cylindrical rod is pulled out from the sleeve, namely the cylindrical rod cannot be separated from the sleeve, the stable connecting effect between the cylindrical rod and the sleeve is kept, and similarly, when the insert block part 2 is a threaded column, the metal strip only needs to be directly inserted in the sleeve when being installed, and the bending end of the metal strip is clamped with the threaded part of the threaded column, only need during the dismantlement rotate the screw thread post screw-out sleeve pipe can, whole process only need peg graft alright accomplish firm connection, easy operation is convenient, saves time, improves the convenience of connecting the installation in the installation environment that the space is local and strong.
As a preferred technical scheme of this embodiment, the plug bush portion 1 includes a socket structure provided at one end of the copper bar, the socket structure can be adapted to the plug block portion 2 in a plugging manner, the socket structure includes a plug port 1.11 and a plug slot 1.12, a maximum depth value of the plug port 1.11 is greater than a maximum slot length value of the plug slot 1.12, a plug port end of the plug port 1.11 and a plug end of the plug slot 1.12 are both flush with an end of the copper bar, a cross-sectional contour line of the plug port 1.11 is a rectangular port, a center of the plug port 1.11 coincides with a center point of the end of the copper bar, the number of the plug slots 1.12 is multiple, preferably, the number of the plug slots 1.12 is two, the two plug slots 1.12 are respectively and symmetrically located on two sides of the copper bar, and an included angle between each slot surface of the plug slots 1.12 is a right angle.
As a preferable technical solution of this embodiment, the insert block portion 2 includes a first insert column 2.1 and a second insert column 2.2, the first insert column 2.1 can be inserted into the insertion port 1.11 in a matching manner, when the first insert column 2.1 is completely inserted into the insertion port 1.11, the first insert column 2.1 reaches an end position, at this time, each side surface of the first insert column 2.1 is fitted to an inner wall surface of the insertion port 1.11 in a one-to-one correspondence manner, one end of the first insert column 2.1 fixed to the insert is flush with a port of the insertion port 1.11, the insert is provided with a flat portion fixed to the first insert column 2.1, the flat portion can be fitted to an end portion of the copper bar where the insertion port structure is located, the second insert column 2.2 can be inserted into the insertion port 1.12 in a matching manner, an outer contour line of a cross section of the second insert column 2.2 is rectangular, when the second insert column 2.2 is completely inserted into the insertion port of the insertion port 1.12, at this time, the second insert column 2.2 reaches an end position, and at this time, a groove wall of the second insert column 2.12 is fitted to a corresponding groove, the tip that the post 2.2 was inserted to the second inserted the end is plane portion, the groove end wall of inserting groove 1.12 is plane portion, the end that the post 2.2 was inserted to the second inserted the end and the groove end wall laminating contact of inserting groove 1.12 mutually, one side of post 2.2 is inserted to the second and the side notch looks parallel and level of inserting groove 1.12, one side of post 2.2 is inserted to the second promptly and the side looks parallel and level of copper bar, in the in-service use process, first post 2.1 is inserted with the second and the post 2.2 can reach respective corresponding final position simultaneously.
As a preferable technical solution of the present embodiment, the pin lock mechanism 3 includes a card extending component 3.1 and a limiting structure 3.2, wherein when the card extending component 3.1 is separated from the limiting structure 3.2, the pin lock mechanism 3 is in an avoiding position, when the card extending component 3.1 and the limiting structure 3.2 are close to coincide, the pin lock mechanism 3 is in a bayonet position, and in an actual use process, when the first and second plungers 2.1 and 2.2 can reach respective corresponding end positions at the same time, the pin lock mechanism 3 is in the bayonet position.
As a preferred technical solution of this embodiment, the card extending assembly 3.1 includes a through hole 3.11 opened on a wall of the insertion slot 1.12 and communicated with the insertion port 1.11, a cross section of a hole body of the through hole 3.11 is circular, a center line of the through hole 3.11 is perpendicular to a wall of the insertion port 1.11, the center line of the through hole 3.11 is perpendicular to a wall of the insertion slot 1.12, a pin rod 3.12 capable of extending into the insertion slot 1.12 is movably inserted into the through hole 3.11, both ends of the pin rod 3.12 are planar ends, a circumferential surface of the pin rod 3.12 is fittingly attached to a wall of the through hole 3.11, the pin rod 3.12 has two positions in the through hole 3.11, which are respectively a preset position and an action position, when the pin rod 3.12 moves from the preset position to the action position, a movement track thereof moves along the center line of the through hole 3.11, it is further noted that an end of the rod 3.12 facing the insertion port 1.11 is a first end of the pin rod 12 facing the insertion port 1.11, and a second end of the pin rod facing the insertion port 12 is a second end of the insertion slot 12, when the second end of the pin rod 3.12 is flush with the wall surface of the insertion groove 1.12, and the first end of the pin rod 3.12 is positioned in the insertion port 1.11, the pin rod 3.12 is in a preset position, and when the pin locking mechanism 3 is in the bayonet position, the pin rod 3.12 is in an acting position;
as a preferred technical solution of this embodiment, the insertion end of the first plug 2.1 is provided with an inclined surface portion 2.3, the inclined surface portion 2.3 can be in sliding contact with the pin rod 3.12, that is, can be in sliding contact with the inclined surface portion 2.3 and the first end portion of the pin rod 3.12, the insertion end of the first plug 2.1 is a tapered end, preferably, the insertion end of the first plug 2.1 is a quadrangular frustum shaped end, the inner bottom of the socket 1.11 is configured to fit with the insertion end of the first plug 2.1, so that the first plug 2.1 can fit with the inner wall of the socket 1.11, further, the inner bottom of the socket 1.11 is provided with a wedge-shaped portion 1.13 fitted to the inclined surface portion 2.3, when the first plug 2.1 is at the termination position, the inclined surface of the wedge-shaped portion 1.13 can completely fit with the inclined side surface of the quadrangular frustum, the top surface of the quadrangular frustum is in fit with the socket bottom surface of the socket 1.11, and the plane of the socket 1.11 is a flat surface, therefore, a good contact surface is formed between the first plug post 2.1 and the inner wall of the interface 1.11, the interface between the first plug post 2.1 and the interface 1.11 is maximized, the plugging dead angle between the first plug post 2.1 and the interface 1.11 is reduced, the inside of the interface 1.11 is filled to the maximum, the effective conduction of current is kept, the resistance is reduced, and the heating degree is reduced, wherein the inclined side surface of the quadrangular frustum is the inclined surface part 2.3 of the first plug post 2.1, when the first plug post 2.1 is actually inserted into the interface 1.11, the inclined surface part 2.3 of the first plug post 2.1 is in sliding contact with the first end part of the pin rod 3.12 positioned in the interface 1.11, the axial component force generated by the inclined surface part 2.3 on the pin rod 3.12 causes the pin rod 3.12 to move towards the action position, and when the first plug post 2.1 reaches the termination position, the action position of the pin rod 3.12 is reached.
As a preferred technical solution of this embodiment, the limiting structure 3.2 includes a cut-out groove 3.21 opened at one side of the second plug-in post 2.2, the cut-out groove 3.21 has two groove surfaces, which are a groove end surface and a groove side surface, the two groove surfaces are perpendicular to each other, the length direction of the groove side surface is parallel to the length direction of the second plug-in post 2.2, the cut-out groove 3.21 is located at one side of the second plug-in post 2.2 facing the plug-in port 1.11, the second plug-in post 2.2 is configured in an L shape as a whole, a filling post 3.22 adapted to the groove wall of the plug-in groove 1.12 is disposed in the cut-out groove 3.21, the cross-sectional contour line of the filling post 3.22 is rectangular, the filling post 3.22 is a solid post, the filling post 3.22 is adapted to the cut-out groove 3.21, both the filling post 3.22 and the second plug-in post 2.2 can be made of copper or aluminum, the rectangular post 2.2 is parallel to the length direction of the filling post 3.22, when the filling post 3.22 is spliced to the cut-out of the cut-out groove 3.21, the outer side surface of the similar rectangular cylinder is flush and attached to the wall of the insertion groove 1.12, the side surface and one end of the packing column 3.22 are both attached to the wall of the insertion groove 1.12, preferably, the packing column 3.22 is adapted and attached to the wall of the insertion groove 1.12, that is, when the second insertion column 2.2 is not inserted into the insertion groove 1.12, only one end and one column side surface of the packing column 3.22 are exposed in the insertion groove 1.12, the column side surface of the packing column 3.22 is closely attached to the groove side surface of the notch groove 3.21, specifically, the column side surface of the packing column 3.22 and the groove side surface of the notch groove 3.21 are both provided with a plurality of parallel tooth grooves 7, thereby forming a tooth arrangement structure, further explanation is that the cross section contour lines of the tooth edges between the parallel tooth grooves 7 are right-angled triangles, and the inclined surface of the tooth edges on the column side surface of the packing column 3.22 moves towards the tooth grooves 3.21 in the process of the insertion groove 1.12, when the second plug column 2.2 has the movement and the movement trend of pulling out the plug groove 1.12, at the moment, the right-angle surface of the tooth edge on the column side surface of the filling column 3.22 is contacted with the right-angle surface of the tooth edge on the notch groove 3.21 to form meshing, so that the movement and the movement trend of pulling out the plug groove 1.12 of the second plug column 2.2 are blocked, a plug cavity structure 3.23 is formed between one end of the filling column 3.22 and the notch groove 3.21, specifically, a plug cavity structure 3.23 is formed between one end of the filling column 3.22 and the groove end surface of the notch groove 3.21, and the plug cavity structure 3.23 can be in plug fit with the pin rod 3.12 in the acting position, so that the second plug column 2.2 is limited.
As a preferable technical solution of this embodiment, the pocket structure 3.23 is composed of a first arc-shaped groove 3.231 and a second arc-shaped groove 3.232, the first arc-shaped groove 3.231 is located on the packing column 3.22, one end of the concrete packing column 3.22 close to the groove end face of the notch groove 3.21 is the exposed end of the packing column 3.22, the first arc-shaped groove 3.231 is located on the exposed end of the packing column 3.22, the second arc-shaped groove 3.232 is located on the notch groove 3.21, that is, the second arc-shaped groove 3.232 is located on the groove end face of the notch groove 3.21, the center of the first arc-shaped groove 3.231 coincides with the center of the second arc-shaped groove 3.232, the radius value of the first arc-shaped groove 3.231 is equal to the radius value of the second arc-shaped groove 3.232, a complete cylindrical cavity can be formed between the first arc-shaped groove 3.231 and the second arc-shaped groove 3.232, at this time, the exposed end of the packing column 3.22 is closely attached to the cylindrical groove end face of the notch 3.21, the cavity diameter value is equal to the value of the through hole 3.11, the central line of cylinder chamber coincides with the central line that leads to hole 3.11, and when pin rod 3.12 was located the effect position, pin rod 3.12 was laminated mutually with the cell wall of first arc wall 3.231 and the cell wall of second arc wall 3.232 this moment to make pin rod 3.12 have good contact surface between effect position and cylinder chamber, be favorable to keeping the effective conduction of electric current, reduce resistance and reduce the heating degree.
Furthermore, a through hole 4 is formed in one side, which is flush with the side face of the copper bar, of the second inserting column 2.2, the cross section of a hole body of the through hole 4 is circular, the center line of the through hole 4 coincides with the center line of the through hole 3.11, the diameter value of the through hole 4 is the same as that of the through hole 3.11, when the pin rod 3.12 is located at an acting position, the end part of the pin rod 3.12 is located at the end part of the through hole 4, the outer side of the rod body of the pin rod 3.12 is flush with the inner wall of the through hole 4, the pin rod 3.12 is a cylindrical rod body, and the end part of the pin rod 3.12 is flush with the side face of the groove;
it should be particularly noted that, the outer side surface of the pin rod 3.12 located in the through opening 4 is provided with a thread groove 5, preferably, the number of turns of the thread groove 5 is 1, the thread pitch length value of the thread groove 5 is the same as the rod body length value of the pin rod 3.12, that is, one end of the groove body of the thread groove 5 is located at the second end of the pin rod 3.12, the other end of the groove body of the thread groove 5 is located at the first end of the pin rod 3.12, the inner wall of the through opening 4 is fixed with a protrusion block 6 matched with the groove body of the thread groove 5, the end of the protrusion block 6 is a semi-spherical end, the protrusion block 6 can slide along the thread groove 5 when the pin rod 3.12 axially rotates, the protrusion block 6 can limit the second end of the pin rod 3.12 in the active position, thereby preventing the second end of the pin rod 3.12 from extending out of the through opening 4, when the sleeve portion 1 needs to be separated from the insert portion 2, thereby causing a sliding movement along the threaded groove 5 and causing the pin shank 3.12 to be completely removed from the through bore 3.11 and the socket formation 3.23 through the through opening 4, thereby releasing the restraining action of the pin lock mechanism 3 and allowing the sleeve portion 1 and the block portion 2 to be separated.
As a preferable technical solution of this embodiment, the thread groove 5 includes a first spiral groove 5.1 and a second spiral groove 5.2, the spiral directions of the first spiral groove 5.1 and the second spiral groove 5.2 are opposite, the initial angle of the spiral line of the first spiral groove 5.1 is greater than the initial angle of the spiral line of the second spiral groove 5.2, the first spiral groove 5.1 and the second spiral groove 5.2 are communicated in series, one end of the first spiral groove 5.1 is located at the first end of the pin 3.12, one end of the second spiral groove 5.2 is located at the second end of the pin 3.12, the number of spiral turns of the first spiral groove 5.1 and the second spiral groove 5.2 is half a turn, during the actual use, when the bulge block 6 slides along the second spiral groove 5.2, the pin 3.12 is performing a forward axial rotation, for example, when the pin 3.12 performs a forward axial rotation to 180 degrees, the bulge block 6 enters the first spiral groove 5.1, need carry out reverse axial rotation with pin rod 3.12 this moment, go through mouthful 4 completely until pin rod 3.12 to be favorable to preventing to lead to pin rod 3.12 to independently rotate because of vibrations, avoid and then lead to pin rod 3.12 to break away from in the effect position, be favorable to avoiing the condition emergence of the limiting displacement effect inefficacy between pin lock mechanism 3 to plug bush portion 1 and plug block portion 2.
As a preferable technical solution of this embodiment, during the process of inserting the actual first plug pin 2.1 into the socket 1.11, the first end of the pin rod 3.12 slides along the inclined surface portion 2.3, specifically, the first end of the pin rod 3.12 slides along the inclined surface portion 2.3 with an overall track length L, for example, when the first end of the pin rod 3.12 slides 9/10L along the inclined surface portion 2.3, the second end of the pin rod 3.12 contacts with the groove side surface, as the first end of the pin rod 3.12 continues to slide along the inclined surface portion 2.3, the second plug pin 2.2 deforms under the pushing action of the pin rod 3.12, the second plug pin 2.2 deviates toward the side away from the filling pin 3.22, so that the gap between the pin side surface of the filling pin 3.22 and the groove side surface of the notch groove 3.21 increases, thereby facilitating the inclined surface of the tooth ridge on the pin side surface of the filling pin 3.22 and the notch on the notch groove 3.21 to move toward each other, when the first end of the pin 3.12 slides along the bevel 2.3 to the side of the first stud 2.1, where the pin 3.12 is in the maximum pressing position against the second stud 2.2, the side of the first stud 2.1 is a flat surface parallel to the side of the stud 3.22, when both the first stud 2.1 and the second stud 2.2 reach the end position, where the circumferential axis of the shank of the pin 3.12 coincides with the center line of the through opening 4, the second stud 2.2 may be of a strip plate construction, the second stud 2.2 returns to the initial position, i.e. where the length of the second stud 2.2 is parallel to the length of the stud 3.22, under the influence of its own elastic restoring force, so that the bevel of the stud on the side of the stud 3.22 engages with the post-tooth on the notch groove 3.21, and, at the same time, when the second stud 2.2 returns to the initial position, where the through opening of the second stud 3.12 is also in the end of the second stud 3.12, thereby being beneficial to further limiting the second inserted column 2.2;
in addition, since the filling column 3.22 is located in the space formed by the notch groove 3.21 and the inserting groove 1.12, when the pin rod 3.12 is completely separated from the through hole 3.11 and the inserting hole structure 3.23 through the through opening 4, the filling column 3.22 can generate gap looseness, so as to facilitate the movement of the pin rod 3.12 and reduce the movement resistance of the pin rod 3.12, it should be particularly noted that the filling column 3.22, the first inserting column 2.1, the second inserting column 2.2, the pin rod 3.12 and the protruding block 6 can all be made of the same metal material, such as copper, aluminum and the like, wherein when the second inserting column 2.2 is not inserted into the inserting groove 1.12, the filling column 3.22 can be temporarily fixed with the inner wall of the inserting groove 1.12 through the adhesive, the adhesive dispensing can be selected as a hot melt adhesive, and when the adhesive temperature reaches the melting point, the adhesive force is reduced.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A connection structure for high-low voltage distribution cabinet copper bar and plug-in components, its characterized in that: including setting up in plug bush portion (1) of copper bar tip, inserted block portion (2) on the plug-in components, be equipped with round pin locking mechanism (3) between plug bush portion (1) and inserted block portion (2), round pin locking mechanism (3) have dodges position and bayonet lock position, when plug bush portion (1) and inserted block portion (2) looks plug bush, round pin locking mechanism (3) are located the bayonet lock position this moment to it is spacing to carry out plug bush portion (1) and inserted block portion (2).
2. The connection structure for the copper bars and the plug-ins of the high-low voltage power distribution cabinets according to claim 1, wherein the plug sleeve portion (1) includes a socket structure formed at one end of the copper bars, and the socket structure can be matched with the plug-in block portion (2) in an insertion manner.
3. The connecting structure for copper bars and plug-ins of high-low voltage power distribution cabinets according to claim 2, characterized in that the socket structure comprises a plug-in interface (1.11) and a plug-in groove (1.12), and the depth value of the plug-in interface (1.11) is larger than the groove length value of the plug-in groove (1.12).
4. The connecting structure for the copper bars and the plug-in units of the high-low voltage power distribution cabinets according to claim 3, wherein the plug block portion (2) comprises a first plug-in column (2.1) and a second plug-in column (2.2), the first plug-in column (2.1) can be in adaptive plug-in connection with the plug-in port (1.11), and the second plug-in column (2.2) can be in adaptive plug-in connection with the plug-in groove (1.12).
5. The connection structure for copper bars and inserts of high-low voltage distribution cabinets according to claim 4, characterized in that said pin locking mechanism (3) comprises a card extending assembly (3.1) and a limiting structure (3.2).
6. The connecting structure for the copper bars and the plug-ins of the high-low voltage power distribution cabinets according to claim 5, wherein the card extending component (3.1) comprises a through hole (3.11) which is formed in the wall of the plug-in slot (1.12) and communicated with the plug-in port (1.11), and a pin rod (3.12) which can extend into the plug-in slot (1.12) is movably inserted into the through hole (3.11).
7. The connecting structure for copper bars and plug-ins of high-low voltage power distribution cabinets according to claim 6, characterized in that the insertion end of the first plug post (2.1) is provided with a bevel portion (2.3), and the bevel portion (2.3) can be in sliding contact with the pin rod (3.12).
8. The connecting structure for the copper bars and the plug-ins of the high-low voltage power distribution cabinets according to claim 7, wherein the limiting structure (3.2) comprises a notch groove (3.21) formed in one side of the second plug-in post (2.2), a filling post (3.22) fixed to the groove wall of the plug-in groove (1.12) is arranged in the notch groove (3.21), and a plug-in cavity structure (3.23) is formed between one end of the filling post (3.22) and the notch groove (3.21).
9. The connecting structure for copper bars and inserts of high-low voltage distribution cabinets according to claim 8, characterized in that said socket configuration (3.23) is constituted by a first arc-shaped slot (3.231) and a second arc-shaped slot (3.232), said first arc-shaped slot (3.231) being located on the filling column (3.22), said second arc-shaped slot (3.232) being located on the notched slot (3.21).
10. The connecting structure for the copper bars and the plug-ins of the high-low voltage power distribution cabinet according to claim 9, wherein the inner bottom of the plug-in interface (1.11) is provided with a wedge-shaped portion (1.13) which is matched and attached with the inclined-plane portion (2.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210600215.1A CN114976725B (en) | 2022-05-27 | 2022-05-27 | Connection structure for copper bars and plug-ins of high-low voltage power distribution cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210600215.1A CN114976725B (en) | 2022-05-27 | 2022-05-27 | Connection structure for copper bars and plug-ins of high-low voltage power distribution cabinet |
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| CN114976725A true CN114976725A (en) | 2022-08-30 |
| CN114976725B CN114976725B (en) | 2023-11-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117977231A (en) * | 2024-04-01 | 2024-05-03 | 深圳市宝安任达电器实业有限公司 | Connection structure for copper bars and plug-ins of high-low voltage power distribution cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2219272A2 (en) * | 2009-02-13 | 2010-08-18 | AMAD - Mennekes Holding GmbH & Co. KG | Connector with lock |
| CN103579940A (en) * | 2013-11-07 | 2014-02-12 | 江苏天港箱柜有限公司 | Structure capable of allowing vertical copper bars to be connected with plug-in unit in high-low voltage power distribution cabinet |
| CN112053799A (en) * | 2020-09-10 | 2020-12-08 | 湖北鸿榕天达科技有限公司 | Switch board copper bar connection structure |
-
2022
- 2022-05-27 CN CN202210600215.1A patent/CN114976725B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2219272A2 (en) * | 2009-02-13 | 2010-08-18 | AMAD - Mennekes Holding GmbH & Co. KG | Connector with lock |
| CN103579940A (en) * | 2013-11-07 | 2014-02-12 | 江苏天港箱柜有限公司 | Structure capable of allowing vertical copper bars to be connected with plug-in unit in high-low voltage power distribution cabinet |
| CN112053799A (en) * | 2020-09-10 | 2020-12-08 | 湖北鸿榕天达科技有限公司 | Switch board copper bar connection structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117977231A (en) * | 2024-04-01 | 2024-05-03 | 深圳市宝安任达电器实业有限公司 | Connection structure for copper bars and plug-ins of high-low voltage power distribution cabinet |
| CN117977231B (en) * | 2024-04-01 | 2024-06-04 | 深圳市宝安任达电器实业有限公司 | Connection structure for copper bars and plug-ins of high-low voltage power distribution cabinet |
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| Publication number | Publication date |
|---|---|
| CN114976725B (en) | 2023-11-24 |
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Denomination of invention: Connection structure for copper bars and connectors in high and low voltage distribution cabinets Granted publication date: 20231124 Pledgee: Anhui Mingguang Rural Commercial Bank Co.,Ltd. Sanjie sub branch Pledgor: ANHUI MINGHUI ELECTRIC Co.,Ltd. Registration number: Y2024980009532 |