CN215299572U - Self-short-circuit aerial socket - Google Patents

Abstract

The utility model provides a technical problem provide a from short circuit boat plug with better life and the automated production of being convenient for, specifically adopt following technical scheme with the solution problem: a self-short-circuit aerial connector comprises a first plug core, wherein the first plug core comprises a base, a plug column shell arranged on the base and a plurality of first plug connectors arranged in the base and the plug column shell; the plug column shell is symmetrically provided with two rows of plug columns, a fixed beam is arranged between the two rows of plug columns, two slots are formed between the fixed beam and the two rows of plug columns, the bottom of the fixed beam is fixed with a short circuit elastic sheet through a fixed pressing strip in a pressing mode, the short circuit elastic sheet comprises a ridge portion and contact pins formed by extending the plug columns from the ridge portion to two sides, the ridge portion is located between the fixed pressing strip and the fixed beam, and the tail ends of the contact pins are abutted to first plug connectors located in the plug column shell.

Description

Self-short-circuit aerial socket

Technical Field

The utility model relates to a distribution equipment technical field, concretely relates to from short circuit aerial plug.

Background

With the rapid development of economy, the power demand is continuously enlarged, the operation and maintenance requirements of power enterprises are higher and higher, and the maintenance work of distribution network systems of 10kV and below is increasingly important. Ensuring the safe operation of a power distribution system becomes an important work content of the safe production of a power grid. In the current 10kV and following distribution network system, the looped netowrk cabinet is reformed transform and DTU, cubical switchboard are changed, need to carry out the operation of taking out stitches, working a telephone switchboard to the terminal block. If the secondary circuit is electrified, an operator needs to short circuit the secondary coil of the current transformer when removing the secondary wiring of the current circuit, otherwise, the secondary coil of the current transformer generates high voltage, the insulation of the secondary winding and the wiring terminal can be damaged, and the personal safety can be seriously endangered. Because the terminal metal of the secondary circuit is exposed outside, the field operation is complex, and therefore, safety accidents such as electric shock, wrong wiring, short circuit of a voltage and control circuit, open circuit of a current circuit and the like are easy to occur.

To the above-mentioned problem, chinese utility model patent "a from short circuit aviation plug" (CN 207753208U) discloses a from short circuit aviation plug, and it includes plug connector and the first lock pin, the second lock pin of mutually supporting, and first lock pin is including installing the spliced pole of plug connector, and the second lock pin is including the inserting groove of installing the plug connector, and the spliced pole is including being equipped with from short circuit mechanism from the short circuit district, the inserting groove include with from the corresponding cutting area in short circuit district position. This from short circuit aviation plug includes fit state and components of a whole that can function independently state, under the components of a whole that can function independently state, from short circuit mechanism will plug connector in the short circuit district short circuit each other, the plug connector in the grafting district breaks off each other, under the fit state, the district makes the plug connector in the short circuit district breaks off each other, the plug connector of first lock pin and second lock pin contacts each other. Specifically, should locate adjacent two rows from short circuit mechanism from short circuit circular connector between the spliced pole, including the mounting bracket and from the short circuit shell fragment, install in from the short circuit shell fragment in the mounting bracket, from the short circuit shell fragment including extending the contact foot that forms to its both sides spliced pole respectively. The side walls of the insertion groove extend outwards along the depth direction of the insertion groove and are connected with each other to form an insulating partition plate, the insertion columns enter the insertion groove in a combined state, and the insulating partition plate is inserted between the contact pins and the plug connectors which are in contact with each other to separate the contact pins and the plug connectors, so that the two adjacent rows of plug connectors are disconnected. Adopt above-mentioned structure, install on the mounting bracket from the short circuit shell fragment, still have following shortcoming:

1) when the two insertion cores are separated from the integrated state to the split state, the insulating partition plate is drawn out from between the contact pin of the self-short circuit elastic sheet and the plug connector, and at the moment, the self-short circuit elastic sheet is subjected to upward force formed by friction of the insulating partition plate and the contact pin. Even if the gland is arranged, after the self-short circuit elastic piece is pulled out and inserted for a plurality of times for a long time, the self-short circuit elastic piece still easily loosens or falls off under the action of the force, and the product quality and the service life are influenced.

2) During the equipment, need will install on the mounting bracket and install the gland from the short circuit shell fragment, the process is comparatively complicated, and is difficult to realize machine automated production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a from short circuit aviation plug with better life and the automated production of being convenient for, concrete sampling is as follows technical scheme in order to solve the problem:

a self-short-circuit aerial connector comprises a first plug core, wherein the first plug core comprises a base, a plug column shell arranged on the base and a plurality of first plug connectors arranged in the base and the plug column shell; the plug column shell is symmetrically provided with two rows of plug columns, a fixed beam is arranged between the two rows of plug columns, two slots are formed between the fixed beam and the two rows of plug columns, the bottom of the fixed beam is fixed with a short circuit elastic sheet through a fixed pressing strip in a pressing mode, the short circuit elastic sheet comprises a ridge portion and contact pins formed by extending the plug columns from the ridge portion to two sides, the ridge portion is located between the fixed pressing strip and the fixed beam, and the tail ends of the contact pins are abutted to first plug connectors located in the plug column shell.

Furthermore, both ends of the fixing pressing strip are fixedly connected with the inner side wall of the plug column shell.

Furthermore, first connecting portions are respectively arranged at two ends of the fixing pressing bar, inverted trapezoidal grooves are formed in the outer side ends of the first connecting portions, trapezoidal lugs matched with the trapezoidal grooves are arranged at the positions, close to the two ends of the fixing beam, of the inner side wall of the inserting column shell, the trapezoidal lugs are inserted into the trapezoidal grooves during assembly, and the joint faces of the trapezoidal lugs and the trapezoidal grooves form a first joint portion.

Furthermore, a limiting groove matched with the ridge of the short circuit elastic sheet in shape is arranged on the inner side of the first connecting part.

Further, the ridge of short circuit shell fragment is the U type, fixed layering includes the crossbeam with this U type ridge adaptation to and outwards extend the boss that forms from crossbeam both sides symmetry, the boss sets up between two feelers of short circuit shell fragment or between the short circuit shell fragment of two separations, the boss exceeds the crossbeam face towards one side of fixed beam to be equipped with the solder joint, during the equipment the boss is equipped with the one side of solder joint and the composition face of fixed beam constitution second joint portion.

Furthermore, a first positioning hole is formed in the center of the boss portion of the fixing pressing strip, a second positioning hole corresponding to the first positioning hole in position is formed in the ridge portion of the short circuit elastic sheet, a first positioning column corresponding to the first positioning hole in position is vertically arranged at the bottom of the fixing beam, the first positioning column penetrates through the second positioning hole to be inserted into the first positioning hole during assembly, and the joint face of the first positioning column form a third joint portion.

Furthermore, the casing of the inserting column is provided with a first inserting hole with an opening at the bottom at four corners, the base is provided with a second positioning column matched with the first inserting hole on the top surface, the second positioning column is inserted into the first inserting hole during assembly, and the joint surface of the first inserting hole and the second inserting hole forms a fourth joint part.

Further, all or part of the first joint portion, the second joint portion, the third joint portion and the fourth joint portion are joined by ultrasonic welding.

Furthermore, an opening is formed in one side, close to the short circuit elastic sheet, of the bottom of the plug column shell, and the tail end of the contact pin of the short circuit elastic sheet is abutted to the first plug connector through the opening.

Furthermore, the self-short-circuit aerial plug also comprises a second plug core, wherein the second plug core is provided with a plug groove matched with the plug column and a second plug connector which is positioned in the plug groove and matched with the first plug connector, and the second plug core is also provided with an insulating partition plate matched with the slot in position in the plug groove;

the self-short-circuit aerial socket comprises a combined state and a split state, at least one pair of first plug connectors in adjacent plug columns of the first plug core are in short circuit with the short circuit elastic sheet, the plug columns of the first plug cores are inserted into the plug grooves of the second plug cores in the combined state, the first plug connectors are connected with the second plug connectors, and meanwhile, the insulation partition boards of the second plug cores are inserted into the slots between the contact pins of the short circuit elastic sheet and the first plug connectors to relieve the short circuit state between the first plug connectors.

The utility model discloses a compare current product from short circuit aviation plug has following advantage:

1) the integrative fixed beam that has set up on the post casing of pegging graft, the short circuit shell fragment is fixed in this fixed beam through fixed layering pressfitting on, compare in the structure of installing on the mounting bracket from the short circuit shell fragment can deal with the upward friction that produces when taking out between the contact foot and the plug connector of insulating barrier follow short circuit shell fragment better, avoid short circuit shell fragment not hard up or drop under the effect of this power, improved product quality and life-span.

2) The structure of fixed layering matches with the structure of short circuit shell fragment, and fixed layering and grafting post casing to and through a plurality of joints between grafting post casing and the base through the joint fixation fixed integral type structure behind the ultrasonic bonding, make the structure of whole lock pin more reliable and stable.

3) Adopt the structural design of sample utility model, compare the machine automated production equipment of being more convenient for of current design, can effectively improve the production efficiency of product.

Drawings

Fig. 1 is a schematic structural diagram of the first ferrule in the embodiment of the present invention.

Fig. 2 is a schematic sectional structure diagram of the first ferrule in the embodiment of the present invention.

Fig. 3 is an internal schematic view of the insertion column casing with the short circuit elastic piece and the fixing pressing strip installed in the embodiment of the present invention.

Fig. 4 is a schematic view of an internal structure of a housing of an insertion column according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a short circuit spring in an embodiment of the present invention.

Fig. 6 is a schematic structural view of a first viewing angle of the fixing pressing bar in the embodiment of the present invention.

Fig. 7 is a schematic structural view of a second view angle of the fixing pressing bar in the embodiment of the present invention.

Fig. 8 is a schematic structural diagram of the embodiment of the present invention after the first ferrule is removed from the housing of the inserting column.

Fig. 9 is a schematic sectional view of the second ferrule in the embodiment of the present invention.

Fig. 10 is a schematic structural diagram of the combined state of the first ferrule and the second ferrule in the embodiment of the present invention.

Detailed Description

For further understanding of the present invention, preferred embodiments of the present invention will be described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the claims of the present invention.

The embodiment of the utility model provides a from short circuit aviation plug, it is including the first lock pin and the second lock pin of mutually supporting, including fit state and components of a whole that can function independently state.

Referring to fig. 1-3, in an illustrative embodiment, the first ferrule includes a base 11 having a wiring hole 111 at the bottom and a platform 112 at the top, and a jack post housing 10 disposed on the platform 112, wherein two rows of jack posts 100 are symmetrically disposed at the top of the jack post housing 10. Meanwhile, the base 11 and the plug column housing 10 are also provided with first plug connectors 2 with the number matched with that of the plug columns. In this embodiment, the number of the plugging columns is 6, and each row is 3. The first connector is a metal piece with a jack at the top, and a terminal is arranged at the bottom, and a wire penetrates through the wiring hole at the bottom of the base 11 to be connected with the first connector and is fixed by a screw in the screw hole 111.

In this embodiment, a fixing beam 15 is disposed between the two rows of insertion columns, and two slots 13a and 13b are formed between the fixing beam 15 and the two rows of insertion columns. Referring to fig. 2 and 3, the bottom of the fixed beam 15 is also fixed with a short circuit elastic sheet 3 through a fixed pressing strip 12 in a pressing way. Referring to fig. 5, the shorting strip 3 includes a ridge 30 and a contact pin 31 extending from the ridge to the two side plugs. The ridge 30 is located between the fixing bead 12 and the fixing beam 15, and the tail end of the contact pin 31 is abutted against the first connector 2 located in the plug column housing 10, so that the adjacent first connectors are short-circuited. It should be noted that, in the illustrated embodiment, the short circuit elastic piece 3 is an integrated structure sharing a ridge portion, so that it can simultaneously short-circuit all the first plug connectors in two rows of plug posts. In another embodiment, the shorting strips may also be separately disposed, so as to arbitrarily short adjacent one or more pairs of connectors, which is not specifically limited herein.

In a preferred embodiment, referring to fig. 2 and 4, the jack post housing 10 has an opening 102 at a side of the bottom of the jack post near the short circuit spring 3, and the terminal of the contact pin of the short circuit spring 3 abuts against the first plug connector 2 through the opening 102. By adopting the structure, the exposed area of the first plug connector can be reduced as much as possible while the short circuit elastic piece is short-circuited with the first plug connector, so that the discharge leakage risk is avoided.

In this embodiment, two ends of the fixing pressing bar 12 are fixedly connected to the inner side wall of the inserting column housing 10.

Specifically, referring to fig. 6 and 7, in an illustrated embodiment, the two ends of the fixing bead 12 are respectively provided with a square-shaped first connecting portion 121, and the outer ends of the first connecting portions 121 are provided with inverted trapezoidal grooves 122. Correspondingly, referring to fig. 4, the inner side wall of the plug-in post housing 10 is provided with trapezoidal protrusions 14 matching with the trapezoidal grooves 122 near the two ends of the fixing beam 15. During assembly, the trapezoidal protrusion 14 is inserted into the trapezoidal groove 122, and the joint surface of the two forms a first joint portion.

Referring to fig. 5, in one illustrated embodiment, the ridge 30 of the shorting clip 3 is U-shaped. In a matching manner, referring to fig. 7, a limiting groove 123 is formed in the inner side of the first connecting portion 121 of the fixing pressing strip 12, and the shape of the limiting groove is matched with that of the ridge portion 30 of the short circuit elastic sheet 3, so that the fixing pressing strip 12 can better limit and fix the short circuit elastic sheet 3.

Referring to fig. 6 and 7, in an illustrated embodiment, the main body of the fixing bead 12 is a rectangular cross beam 120 adapted to the U-shaped ridge 30 of the short circuit spring 3, and a boss 124 is formed by symmetrically extending outward from two sides of the cross beam 120, the boss 124 is disposed between two contact pins of the short circuit spring or between two separated short circuit springs, and one side of the boss facing the fixing beam 15 is higher than the cross beam surface and the higher part is exactly matched with the thickness of the ridge 30 of the short circuit spring 3. Meanwhile, the surface of one side of the boss 124 facing the fixed beam 15 is further provided with a welding spot 125, and the surface of the boss 124 provided with the welding spot 125 and the joint surface of the fixed beam 15 form a second joint part during assembly, and can form firm connection with the fixed beam 15 after ultrasonic welding, so that the effect of stably fixing the short-circuit elastic sheet 3 is achieved.

Referring to fig. 4-7, in one illustrative embodiment, the fixing bead 12 is provided with a first positioning hole 126 at the center of the portion where the boss 124 is provided. In match, the ridge 30 of the short circuit spring 3 is provided with a second positioning hole 301 corresponding to the first positioning hole 126, and the bottom of the fixed beam 15 is vertically provided with a first positioning post 110 corresponding to the first positioning hole 126. Therefore, the first positioning column 110 is inserted into the first positioning hole 126 through the second positioning hole 301 during assembly, so as to form a stable connection. The engagement surfaces of the first positioning post 110 and the first positioning hole 126 constitute a third engagement portion.

Referring to fig. 8, in one illustrated embodiment, there are 4 second positioning posts 113 on the top surface of base 11. Correspondingly, referring to fig. 3 and 4, the four corners of the jack post housing 10 are provided with first jack holes 101 opening at the bottom, and the positions and the sizes of the first jack holes 101 are all matched with the second positioning posts 113 on the base 11, so that when assembling, the second positioning posts 113 are inserted into the first jack holes 101 to connect the jack post housing 10 and the base 11, and the joint surfaces of the two form a fourth joint part.

In the preferred embodiment, the first joint portion, the second joint portion, the third joint portion and the fourth joint portion are all welded by ultrasonic, so that the whole first ferrule forms a whole with a stable structure, the quality and the service life of the product are improved, the machine assembly and the automatic production are facilitated, and the production efficiency can be effectively improved.

Referring to fig. 9, the self-shorting aerial patch of the present embodiment further includes a second ferrule 4. The second ferrule 4 is adapted to the first ferrule in shape, and has a bottom provided with a mating slot 40 matching with the mating post 100 of the first ferrule, and a second connector 5 matching with the first connector 2. The part of the second connector 5 in the insertion groove 40 is a contact pin matched with the top insertion hole of the first connector 2, the bottom of the second connector is also a wiring end, and a wire penetrates through the wiring hole at the top of the second insertion core 4 to be connected with the second connector and is fixed by a screw in the screw hole 41.

Referring to fig. 9, in the present embodiment, insulating spacers 40a, 40b are also disposed in the insertion groove 40 of the second ferrule 4 and positioned to mate with the insertion grooves 13a, 13b of the first ferrule insertion post housing 10. Referring to fig. 10, when the second ferrule 4 and the first ferrule are in the combined state, the insertion column 100 of the first ferrule is inserted into the insertion groove 40 of the second ferrule, and at this time, the pin portion (not shown in fig. 10, but refer to fig. 9) of the second connector 5 in the second ferrule 4 is inserted into the insertion hole at the top of the first connector 2 in the first ferrule, and the two are in the connection state. Meanwhile, the insulating partition plates 40a and 40b of the second plug core are inserted between the contact pin of the short circuit elastic piece 3 and the first plug connector 2 through the slots 13a and 13b on the plug column shell 10, and the short circuit state between the first plug connectors short-circuited through the short circuit elastic piece 3 is relieved.

When the plug columns are in a split state, the insulating partition plates 40a and 40b are pulled out, and the contact pins of the short circuit elastic pieces 3 can be abutted with the first plug connector 2 again, so that the first plug connectors in the adjacent plug columns are in short circuit again.

The above description of the embodiments is only intended to help understand the method of the present invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (13)

1. The self-short-circuit aerial connector is characterized by comprising a first inserting core, wherein the first inserting core comprises a base (11), an inserting column shell (10) arranged on the base (11) and a plurality of first inserting connectors (2) arranged in the base (11) and the inserting column shell (10); the plug column shell (10) is symmetrically provided with two rows of plug columns (100), a fixed beam (15) is arranged between the two rows of plug columns, two slots (13a and 13b) are formed between the fixed beam (15) and the two rows of plug columns, the bottom of the fixed beam (15) is fixedly provided with a short circuit elastic sheet (3) through a fixed pressing strip (12) in a pressing mode, the short circuit elastic sheet (3) comprises a ridge portion (30) and contact pins (31) formed by extending the plug columns from the ridge portion to the two sides, the ridge portion (30) is located between the fixed pressing strip (12) and the fixed beam (15), and the tail end of each contact pin (31) is abutted to a first plug connector (2) located in the plug column shell (10).

2. The self-shorting aviation plug according to claim 1, wherein both ends of the fixing bead (12) are fixedly connected to the inner side wall of the plug post housing (10).

3. The self-short-circuit aerial socket as claimed in claim 2, wherein the two ends of the fixing batten (12) are respectively provided with a first connecting portion (121), the outer side end of the first connecting portion (121) is provided with an inverted trapezoidal groove (122), the inner side wall of the socket column shell (10) is provided with trapezoidal protrusions (14) which are matched with the trapezoidal grooves (122) at the positions close to the two ends of the fixing beam (15), the trapezoidal protrusions (14) are inserted into the trapezoidal grooves (122) during assembly, and the joint faces of the two parts form a first joint portion.

4. The self-short-circuit aerial plug as claimed in claim 3, wherein a limiting groove (123) matched with the shape of the ridge (30) of the short-circuit spring piece is formed in the inner side of the first connecting part (121).

5. The self-short-circuit aviation plug as claimed in claim 1, wherein the ridge (30) of the short-circuit elastic sheet (3) is U-shaped, the fixing bead (12) comprises a cross beam (120) matched with the U-shaped ridge (30), and bosses (124) formed by symmetrically extending outwards from two sides of the cross beam (120), the bosses (124) are arranged between two contact pins of the short-circuit elastic sheet or between two separated short-circuit elastic sheets, one side of the boss (124) facing the fixing beam (15) is higher than the cross beam surface and is provided with a welding point (125), and a second joint part is formed by a surface of the boss (124) provided with the welding point (125) and a joint surface of the fixing beam (15) during assembly.

6. The self-short-circuit aviation plug as claimed in claim 5, wherein the fixing depression bar (12) is provided with a first positioning hole (126) at the center of the portion provided with the boss (124), the ridge (30) of the short-circuit elastic sheet (3) is provided with a second positioning hole (301) corresponding to the first positioning hole (126), the bottom of the fixing beam (15) is vertically provided with a first positioning column (110) corresponding to the first positioning hole (126), the first positioning column (110) is inserted into the first positioning hole (126) through the second positioning hole (301) during assembly, and the joint surfaces of the first positioning column and the first positioning column form a third joint portion.

7. The self-short-circuit aviation plug as claimed in claim 1, wherein the plug-in post housing (10) has a first plug-in hole (101) at the four corners, the base (11) has a second positioning post (113) on the top surface (112) matching with the first plug-in hole (101), the second positioning post (113) is inserted into the first plug-in hole (101) during assembly, and the joint surface of the two forms a fourth joint portion.

8. The self-shorting shipping insert of claim 3 wherein said first engagement portion is engaged by ultrasonic welding.

9. The self-shorting shipping insert of claim 5 wherein said second engagement portion is engaged by ultrasonic welding.

10. The self-shorting shipping insert of claim 6, wherein said third engagement portion is engaged by ultrasonic welding.

11. The self-shorting shipping insert of claim 7, wherein said fourth engagement portion is engaged by ultrasonic welding.

12. The self-short-circuit aviation plug according to claim 1, wherein the plug post housing (10) is provided with an opening (102) at one side of the bottom of the plug post close to the short-circuit spring piece (3), and the tail end of the contact pin of the short-circuit spring piece (3) is abutted to the first plug connector (2) through the opening (102).

13. The self-shorting aviation plug of any one of claims 1 to 12, further comprising a second ferrule (4), wherein the second ferrule (4) is configured with a mating slot (40) that mates with the mating post (100), and a second connector (5) that is located within the mating slot and mates with the first connector (2), and wherein the second ferrule (4) is further provided with an insulating spacer (40a, 40b) located within the mating slot (40) that mates with the slot (13a, 13 b);

the self-short-circuit aerial socket comprises a combined state and a split state, at least one pair of first plug connectors in adjacent plug columns of the first plug core are in short circuit with the short circuit elastic sheet, the plug columns of the first plug cores are inserted into the plug grooves of the second plug cores in the combined state, the first plug connectors are connected with the second plug connectors, and meanwhile, the insulation partition boards of the second plug cores are inserted into the slots between the contact pins of the short circuit elastic sheet and the first plug connectors to relieve the short circuit state between the first plug connectors.

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