CN109494665B - Novel jack box and bus duct system using jack box - Google Patents
Novel jack box and bus duct system using jack box Download PDFInfo
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- CN109494665B CN109494665B CN201710816607.0A CN201710816607A CN109494665B CN 109494665 B CN109494665 B CN 109494665B CN 201710816607 A CN201710816607 A CN 201710816607A CN 109494665 B CN109494665 B CN 109494665B
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- claw
- plug
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- guide
- block
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
- H02G5/06—Totally-enclosed installations, e.g. in metal casings
- H02G5/08—Connection boxes 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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—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
- H01R13/46—Bases; Cases
-
- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention provides a novel jack box and a bus duct system using the jack box, comprising a shell and a jack mechanism, wherein the jack mechanism is arranged at the left part of an inner cavity of the shell; the plug-in mechanism is arranged to comprise an adjusting screw, a guide rod, a guide block, a step cushion block and a plug claw, wherein the adjusting screw vertically penetrates through the bottom wall of the shell, the guide block is arranged at the upper end of the adjusting screw in a rotating mode, the guide rod sequentially vertically penetrates through the bottom wall of the shell, the guide block and the top wall of the shell from bottom to top, the plug claw is arranged at the upper portion of the guide block, the step cushion block is arranged above the guide block, the step cushion block penetrates through the top wall of the shell, and the plug claw is vertically penetrated through the upper portion of the step cushion block. The plug box and the system can ensure the plug precision of the plug box in the bus duct, avoid the dislocation problem during live plug, improve the installation safety performance, ensure that the plug box is in good contact with conductors in the bus duct, and improve the connection strength of the plug box and the bus duct.
Description
Technical Field
The invention relates to the technical field of power transmission equipment, in particular to a novel jack box and a bus duct system using the jack box.
Background
The bus duct system is a power distribution device which is widely applied to high-rise buildings and large-scale factory power distribution systems and is used for efficiently conveying current, and the problem that the bus duct system cannot be conveniently deployed and is convenient to operate and maintain through modularized design exists in the field of strong current power supply and distribution. At present, the bus duct is designed in a plug-and-play mode, but the design and the practical application are disjointed, so that the problems and inconvenience in the aspects of bus deployment, operation and maintenance are brought, and the current situation that the design purpose and the application are inconsistent is caused. The existing bus is of a fixed-point type or full-point type structure, the usability design thought is adopted, and the plug-in box is a part of the bus duct and is of a cantilever structure. The jack box is usually plugged by the tension of the copper tab itself, the conductive copper bar clamped at the bus duct interface. However, the existing jack boxes used in bus duct systems have the following problems in actual use:
1. in the live plugging process of the jack box, in order to ensure safe plugging, the zero and live wire conductors and the like in the bus duct are often required to be distinguished first, and then the jack box is installed, however, due to the influences of installation environment, personnel proficiency and the like, dislocation phenomenon is still difficult to avoid during live plugging.
2. The existing jack box can realize the plug-in mounting of the jack box on the bus duct, but the good contact between the jack claws of the jack box and conductors in the bus duct is difficult to ensure, so that the plug-in precision is low, and the problem of electric leakage or power failure in the power utilization process is easy to occur.
3. Because jack box and bus duct are cantilever mounting structure, so in the long-term use of jack box, its self gravity easily causes the damage to conductor and the claw of inserting in the bus duct, often need install fixed establishment additional after jack box cartridge is accomplished, but to the complex condition of installation environment, this assembly process has not only increased operating personnel's intensity of labour, makes assembly process complicacy moreover.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a novel plug box and a bus duct system using the same, which are simple and practical, can ensure the plug precision of the plug box in the bus duct, avoid the dislocation problem during live plug, improve the installation safety performance, ensure that the plug box is well contacted with conductors in the bus duct, improve the connection strength of the plug box and the bus duct, and effectively prevent the plug box from falling easily due to self gravity, external force and the like, and even lead to damage of plug claws and conductors.
In order to solve the technical problems, the invention adopts the following technical scheme: a novel jack box, wherein the novel jack box comprises a shell and a jack mechanism, and the jack mechanism is arranged at the left part of the inner cavity of the shell;
the plug-in mechanism comprises an adjusting screw, a guide rod, a guide block, a step cushion block and a plug claw, wherein the adjusting screw is vertically arranged on the bottom wall of the shell in a penetrating manner, the guide block is arranged at the upper end of the adjusting screw in a rotating manner, the guide rod sequentially vertically penetrates through the bottom wall of the shell, the guide block and the top wall of the shell from bottom to top, the plug claw is arranged at the upper part of the guide block, the step cushion block is arranged above the guide block, the step cushion block is arranged on the top wall of the shell in a penetrating manner, and the upper part of the plug claw is vertically arranged in the step cushion block in a penetrating manner;
the utility model discloses a fire wire, ground wire, guide block, ground wire, fire wire, zero, ground wire, wherein the fire wire is inserted the claw and zero, ground wire is inserted the claw, the fire wire insert the claw with the lower part of claw is adjacent and coaxial line set up in the guide block, just the fire wire insert the claw with the zero, the upper portion of claw is inserted to the ground wire all vertically pass ladder cushion, the top that the claw was inserted to the fire wire is higher than the top that the claw was inserted to the zero, ground wire, just the fire wire is inserted the claw and is set up to three groups, the zero, the ground wire is inserted the claw and is set up to two groups the claw is inserted to the fire wire is inserted the claw with two groups the zero, the equidistant arrangement of ground wire.
Further, the guide block is arranged to comprise a guide main body and a pressing block, the guide main body and the adjusting screw are arranged in a rotary mode, the guide main body is vertically penetrated with the guide rod, a rectangular notch is formed in the top wall of the guide main body, five groups of L-shaped grooves are longitudinally and uniformly distributed in the rectangular notch along the axis direction of the rectangular notch, the structures of the five groups of L-shaped grooves are identical, the five groups of L-shaped grooves are matched with each other to form the lower parts of the live wire inserting claw, the zero wire inserting claw and the ground wire inserting claw, and the pressing block is matched with each other to be arranged in the rectangular notch.
Further, an indicating sheet is arranged on the front wall surface of the guide block, and the indicating sheet is composed of an inserting part and a separating part.
Further, the casing sets up to including preceding shell portion, back shell portion, left side shell portion and right shell portion, preceding shell portion with back shell portion looks lock sets up, just preceding shell portion with the corresponding setting in both ends of back shell portion left side shell portion with right side shell portion, correspond on the preceding shell portion the instruction piece sets up the observation window, vertically wears to establish on the diapire of back shell portion adjusting screw, and vertically wear to establish between diapire and the roof of this back shell portion the guide bar.
Further, the guide rods are arranged in two groups, and the two groups of guide rods are correspondingly arranged on the front side and the rear side of the adjusting screw rod.
The bus duct system applying the jack box comprises a bus duct main body, an auxiliary bearing plate, the jack box and a clamping block, wherein the two side plate surfaces of the bus duct main body are correspondingly provided with an inward concave lower connecting slideway along the axis direction of the bus duct main body, the two ends of the auxiliary bearing plate are in interference fit with the inward concave lower connecting slideway, the inserting claws of the jack box are matched and inserted into two conductor installation mechanisms which are installed in a stepped mode and are arranged in the bus duct main body, and the upper wall of the rear shell part of the jack box is provided with the clamping block which is arranged on the auxiliary bearing plate in a penetrating mode.
Further, the fixture block is arranged to be composed of a limiting part and a clamping part, the limiting part is arranged at the upper end of the clamping part, the limiting part is arranged to be a disc, and the clamping part is arranged to be a cylinder.
Further, offer rectangular channel and draw-in groove on the supplementary bearing plate, wear to establish in the rectangular channel the ladder cushion of jack box, and the right side coaxial line of this rectangular channel sets up the draw-in groove, the structure setting of draw-in groove be with the structure of fixture block cooperatees, and this draw-in groove sets up to comprise major curve portion and U type portion, the structure setting of major curve portion with the structure of spacing portion cooperatees, and the diameter setting of this major curve portion is greater than the diameter of spacing portion, U type portion set up with chucking portion transitional coupling, and the diameter setting of this U type portion be less than the diameter of spacing portion.
Further, the clamping blocks and the clamping grooves are arranged in two groups.
The invention has the advantages and positive effects that:
(1) Through rotatory adjusting screw for the guide block goes up and down straight line under the assistance of guide bar, then the guide block takes the claw of inserting on it to reciprocate under the assistance of ladder cushion, thereby realizes inserting the good grafting of claw in the bus duct main part and breaking away from, and simple and practical, simultaneously, ladder cushion and the structure cooperation of inserting the claw can enough guarantee to insert the claw and peg graft or break away from the vertical straight line action of in-process, so that it is good with the conductor contact, can reduce the erosion of external environment etc. to inserting the claw again, and improves holistic safety in utilization.
(2) Through the structure setting of three live wire insertion claws and two sets of zero, ground wire insertion claws, can guarantee the plug precision of jack box in the bus duct main part, dislocation problem when avoiding hot plug, set up the live wire insertion claw to be higher than zero, the design that the ground wire insertion claw made jack box and bus duct main part in conductor installation mechanism cooperate, then under the condition that need not distinguish zero live wire, also can make the installation correct to the installation process has been simplified, and installation security performance has been improved, and the operation requirement to installer is reduced.
(3) Through the L type recess on the direction main part, can realize the installation to live wire insertion claw and zero, earth wire insertion claw, and the setting of briquetting, then can carry out the compression of live wire insertion claw and zero, earth wire insertion claw in the L type recess of direction main part, live wire insertion claw and zero, earth wire insertion claw take place the position offset in L type recess because of vibrations etc. when avoiding the direction main part to further guarantee insertion claw and bus duct main part conductor installation mechanism's plug precision and good contact.
(4) Through grafting portion and the breaking away from in the pilot strip, can be in the in-process that adjusting screw drive guide block goes up and down, the pilot strip region of demonstration in the time observation window from this judges the plug contact condition of inserting claw and the conductor installation mechanism in the bus duct main part in the grafting mechanism.
(5) Through the cooperation of bus duct main part, supplementary bearing plate, jack box and fixture block, can simplify the installation of jack box in the bus duct main part for combine together by supplementary bearing plate and fixture block and improve the joint strength of jack box and bus duct main part, effectively prevent that the jack box from easily dropping because of self gravity and external force etc. leads to the problem of inserting claw and conductor damage even, and can alleviate operating personnel's intensity of labour by this design structure under the complex circumstances of installation environment, simplify convenient assembly process.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic top view of fig. 1.
Fig. 3 is a left-hand structural schematic diagram of fig. 1.
Fig. 4 is a right-side view of the structure of fig. 1.
Fig. 5 is a schematic view of the assembled structure of fig. 1 in a busway system.
Fig. 6 is a schematic front view of the internal structure of the jack box section in fig. 5.
Fig. 7 is a schematic rear view of the internal structure of the jack box section of fig. 5.
Fig. 8 is a schematic view of the structure of the guide body of fig. 1 with the insertion claws mounted thereon.
In the figure: 10-shell, 101-front shell, 102-rear shell, 103-left shell, 104-right shell, 105-observation window, 20-plug-in mechanism, 201-adjusting screw, 202-guide rod, 203-guide block, 2031-guide body, 2032-press block, 2033-rectangular notch, 2034-L-shaped groove, 204-step pad, 205-plug claw, 2051-fire wire plug claw, 2052-zero, ground wire plug claw, 206-indicating piece, 2061-plug-in part, 2062-disengaging part, 30-bus duct body, 40-auxiliary bearing plate, 401-rectangular duct, 402-clamping groove, 4021-major arc part, 4022-U-shaped part, 50-clamping block, 501-limiting part and 502-clamping part.
Detailed Description
For a better understanding of the present invention, the present invention is further described below with reference to specific examples and drawings.
As shown in fig. 1-8, a novel jack box comprises a shell 10 and a jack mechanism 20, wherein the jack mechanism 20 is arranged at the left part of an inner cavity of the shell 10.
The plug-in mechanism 20 is arranged to comprise an adjusting screw 201, a guide rod 202, a guide block 203, a step cushion block 204 and a plug-in claw 205, wherein the adjusting screw 201 vertically penetrates through the bottom wall of the shell 10, the guide block 203 is arranged at the upper end of the adjusting screw 201 in a rotating mode, the guide rod 202 sequentially vertically penetrates through the bottom wall of the shell 10, the guide block 203 and the top wall of the shell 10 from bottom to top, the plug-in claw 205 is arranged at the upper portion of the guide block 203, the step cushion block 204 penetrates through the top wall of the shell 10, the upper portion of the plug-in claw 205 is vertically penetrated in the step cushion block 204, the guide block 203 moves up and down with the aid of the guide rod 202 through rotating the adjusting screw 201, the plug-in claw 205 on the guide block 203 is driven to move up and down with the aid of the step cushion block 204, good plug-in and-out of the plug-in claw 205 in bus duct main body 30 are achieved, meanwhile, the step cushion block 204 is matched with the structure of the plug-in claw 205, the plug-in claw or the plug-out process is enabled to perform a vertical linear motion in the plug-in claw or-out process, good contact with a conductor can be enabled, the external corrosion to be reduced, the overall corrosion performance of the plug-in claw can be improved can be ensured.
The plug 205 is set to include live wire plug 2051 and zero, ground wire plug 2052, live wire plug 2051 is adjacent with the lower part of zero, ground wire plug 2052 and coaxial line sets up in guide block 203, and live wire plug 2051 and zero, the upper portion of ground wire plug 2052 all vertically pass ladder cushion 204, the top of live wire plug 2051 sets up to be higher than the top of zero, ground wire plug 2052, and live wire plug 2051 sets up to three, zero, ground wire plug 2052 sets up to two sets of, three sets of live wire plug 2051 and two sets of zero, ground wire plug 2052 equidistant arrangement, the ladder structure in ladder cushion 204 sets up to cooperate with the structure of conductor installation mechanism in bus duct main part 30, the coaxial line in ladder cushion 204 and equidistant guide hole that sets up five sets of structures are the same, cooperate in the guide hole and set up live wire plug 2051 and zero, ground wire plug 2052 respectively, through the structure setting of three sets of live wire plug 2051 and two sets of zero, the ground wire plug 2052, can guarantee that the case is in the bus duct main part, the installation of the plug is difficult to install in the bus duct main part, the problem of installing can be avoided when installing the conductor installation in the bus duct main part 30, the installation of the plug is not in the bus duct main part, the installation of the plug is required to be the live wire plug, the installation of the high precision is reduced, and the installation of the plug is required in the bus duct installation of the safety has been reduced, and the installation of the plug has been compared with the problem, and the plug has been installed in the safety device, and the plug has been installed in the case, and the installation condition has to the plug has been compared with the plug has to the problem.
The guide block 203 is arranged to comprise a guide main body 2031 and a pressing block 2032, the guide main body 2031 is arranged in a rotary fit manner with the adjusting screw 201, the guide rod 202 is vertically penetrated in the guide main body 2031, a rectangular notch 2033 is arranged on the top wall of the guide main body 2031, five groups of L-shaped grooves 2034 are longitudinally and uniformly distributed in the rectangular notch 2033 along the axis direction of the guide main body, the five groups of L-shaped grooves 2034 have the same structure, the five groups of L-shaped grooves 2034 are matched with each other to be provided with the lower parts of the live wire inserting claw 2051 and the zero and ground wire inserting claw 2052, the pressing block 2032 is matched with the rectangular notch 2033, the pressing block 2032 is fastened with the guide main body 2031 through bolts, the L-shaped grooves 2034 on the guide main body 2031 can realize the installation of the live wire inserting claw 2051 and the zero and ground wire inserting claw 2052, and the pressing of the pressing block 2032 in the L-shaped grooves 2034 can be carried out, the live wire inserting claw 2051 and the zero and the ground wire inserting claw 2052 in the L-shaped grooves 2034 can be prevented from being pressed, the live wire inserting claw 2051 and the zero and the ground wire inserting claw 2052 in the L-shaped grooves 2052 can be prevented from being well arranged in the lifting main body 2031 and the position and the bus bar main body is further contacted with the bus bar main body positioning mechanism and the bus positioning device, and the bus positioning device is further well, and the bus positioning device is ensured.
The front wall surface of the guide block 203 is provided with an indication sheet 206, the indication sheet 206 is formed by a plugging portion 2061 and a separating portion 2062, the lengths of the plugging portion 2061 and the separating portion 2062 are equal, the lengths of the plugging portion 2061 and the separating portion 2062 are both set to be in proportion to the travel of the adjusting screw 201, the plugging portion 2061 and the separating portion 2062 can be respectively provided with red and green indication patches, the plugging portion 2061 and the separating portion 2062 in the indication sheet 206 can be used for judging the plugging contact condition of the plugging claw in the plugging mechanism and the conductor mounting mechanism in the bus duct main body in the process of driving the guide block 203 to lift by the adjusting screw 201, when the red plugging portion is displayed in the observation window, the plugging claw is completely plugged in the conductor mounting mechanism, when the green separating portion is displayed in the observation window, the plugging claw is completely separated from the conductor mounting mechanism, and when the red plugging portion region and the green separating portion region are displayed in the observation window, the plugging claw is completely plugged or separated from the conductor mounting mechanism, the indication sheet is completely plugged or separated from the conductor mounting mechanism, the plugging precision is further improved, and the safety of the plugging box can be further improved in the process.
The shell 10 is arranged to comprise a front shell 101, a rear shell 102, a left shell 103 and a right shell 104, the front shell 101 and the rear shell 102 are buckled, the front shell 101 and the two ends of the rear shell 102 are correspondingly provided with the left shell 103 and the right shell 104, the front shell 101 is provided with an observation window 105 corresponding to an indication sheet 206, an adjusting screw 201 vertically penetrates through the bottom wall of the rear shell 102, a guide rod 202 vertically penetrates through the bottom wall and the top wall of the rear shell 102, a step cushion 204 is arranged on the upper wall of the rear shell 102, mounting grooves are correspondingly formed in the upper wall and the lower wall of the front shell 101, the rear shell 102 is of a U-shaped structure, the front ends of the upper wall and the lower wall of the rear shell 102 are respectively matched and arranged in the mounting grooves, the left shell 103 and the right shell 104 are of the same structure, and the sealing of a plug-in mechanism 20, an electrical element and the like in the shell 10 is ensured through the structure of the front shell 101, the rear shell 102, the left shell 103 and the right shell 104 and the like, so that safe transmission and wiring are realized.
The guide rods 202 are arranged in two groups, and the two groups of guide rods 202 are correspondingly arranged on the front side and the rear side of the adjusting screw 201.
The adjusting screw 201 is also provided on the central axis of the lower wall of the rear housing portion 102.
The bus duct system using the jack box comprises a bus duct main body 30, an auxiliary bearing plate 40, the jack box and a clamping block 50, wherein lower connecting slide ways 301 which are recessed inwards are correspondingly arranged on the surfaces of two side plates of the bus duct main body 30 along the axial direction of the bus duct main body, two ends of the auxiliary bearing plate 40 are in interference fit with the lower connecting slide ways 301 which are recessed inwards, the inserting claws 205 of the jack box are matched and inserted into conductor installation mechanisms which are arranged on the bus duct main body 30 in a stepped mode, the clamping block 50 is arranged on the upper wall of the rear shell part of the jack box, the clamping block 50 is arranged on the auxiliary bearing plate 40 in a penetrating mode, installation of the jack box on the bus duct main body 30 can be simplified through matching of the bus duct main body 30, the auxiliary bearing plate 40, the jack box and the clamping block 50, connection strength of the jack box and the bus duct main body 30 is improved through combination of the auxiliary bearing plate 40 and the clamping block 50, the problem that the jack box is prone to falling down due to self gravity, external force and the like, even the inserting claws 205 and conductor damage are caused can be effectively prevented, and under the condition of complex installation environment, labor intensity of operators is relieved by the design structure, and the assembly process is simplified.
The fixture block 50 is composed of a limiting part 501 and a clamping part 502, the limiting part 501 is arranged at the upper end of the clamping part 502, the limiting part 501 is a disc, the clamping part 502 is a cylinder, and the limiting part 501 can be a rectangular disc or an irregular disc.
The rectangular groove 401 and the clamping groove 402 are formed in the auxiliary bearing plate 40, the stepped cushion block 204 of the jack box is penetrated in the rectangular groove 401, the clamping groove 402 is formed in the coaxial line on the right side of the rectangular groove 401, the clamping groove 402 is formed by matching the structure of the clamping block 50, the clamping groove 402 is formed by the major arc part 4021 and the U-shaped part 4022, the structure of the major arc part 4021 is formed by matching the structure of the limiting part 501, the diameter of the major arc part 4021 is larger than the diameter of the limiting part 501, the U-shaped part 4022 is in transition fit with the clamping part 502, the diameter of the U-shaped part 4022 is smaller than the diameter of the limiting part 501, the corresponding clamping block 50 is formed by the rectangular part or the irregular part, the diagonal length of the rectangular part or the maximum diagonal length of the irregular part is larger than the diagonal length of the limiting part or the maximum diagonal length of the irregular disc body, the U-shaped part is arranged through the part 502 on the clamping block 50, the U-shaped part 4022 is arranged on the integral bearing plate, the auxiliary bearing plate is mounted on the jack box, the jack box is mounted on the bus plate 205, the jack box is prevented from being damaged by the aid of the safety device, the jack box is mounted on the jack box, the jack box is prevented from being damaged by the safety device, and the safety device is reduced, and the safety device is designed, and the safety device is protected by the jack box is protected.
An L-shaped positioning groove is formed in the bottom plate of the bus duct main body 30 along the axis direction of the bottom plate, two groups of positioning plates are correspondingly arranged above two ends of the auxiliary bearing plate 40, two ends of the positioning plates are matched and arranged in the L-shaped positioning groove, and the positioning plates are connected with the auxiliary bearing plate 40 through bolts.
The two sets of clamping blocks 50 and clamping grooves 402 are arranged, and the two sets of clamping blocks 50 and the two sets of clamping grooves 402 are transversely adjacent and coaxially arranged.
The novel jack box and the bus duct system using the jack box are simple and practical, can ensure the plug precision of the jack box in the bus duct, avoid the dislocation problem during live plug, improve the installation safety performance, ensure that the jack box is in good contact with conductors in the bus duct, improve the connection strength of the jack box and the bus duct, and effectively prevent the jack box from falling easily due to self gravity, external force and the like, and even cause damage to the plug claws and the conductors.
The plug-in box and the assembly process of the plug-in box and the bus duct main body 30 are as follows: the lower parts of the live wire inserting claw 2051 and the zero and ground wire inserting claw 2052 are adjacent and coaxially arranged in five groups of L-shaped grooves 2034 of the guide main body 2031, then a pressing block 2032 is arranged in a rectangular notch 2033 on the top wall of the guide main body 2031, then the guide block 203 is arranged on the inner surface of the bottom wall of the rear shell part 102, the adjusting screw 201 penetrates through the bottom wall of the rear shell part 102 and the upper end of the adjusting screw is in rotary fit with the guide main body 2031, a guide rod 202 is vertically arranged between the bottom wall of the rear shell part 102 and the through hole and the top wall of the rear part of the guide main body 2031 in a penetrating manner, a step cushion block 204 is arranged on the upper wall of the rear shell part 102, the upper parts of the live wire inserting claw 2051 and the zero and ground wire inserting claw 2052 are just penetrated into guide holes of the step cushion block 204, the rear shell part 102 is buckled with the front shell part 101, the left shell part 103 and the right shell part 104 are correspondingly arranged at the two ends of the adjusting screw, and the assembly of the jack is realized, then two groups of positioning plates are arranged in the L-shaped positioning grooves on the bottom plate of the bus duct main body 30, two ends of the auxiliary bearing plate 40 are in interference fit in the inward concave lower connecting slide way 301 of the bus duct main body 30, connection between the positioning plates and the auxiliary bearing plate 40 is realized through bolts, the step cushion block 204 and the clamping block 50 respectively penetrate through the rectangular groove 401 arranged on the auxiliary bearing plate 40 and the major arc part 4021 of the clamping groove 402, the jack box is moved leftwards, the clamping part 502 is clamped in the U-shaped part 4022, the hanging safety of the whole jack box on the auxiliary bearing plate 40 is further realized with the aid of the limiting part 501, finally, the adjusting screw 201 is rotated, the guide block 203 is linearly lifted with the aid of the guide rod 202, the guide block 203 moves upwards and downwards with the aid of the step cushion block 204, good inserting and separating of the inserting claw 205 in the bus duct main body 30 are realized, thereby completing the good assembly of the jack box in the bus duct body 30, and is simple and practical.
The foregoing describes the embodiments of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by this patent.
Claims (9)
1. An jack box, characterized in that: the plug-in box comprises a shell and a plug-in mechanism, and the left part of the inner cavity of the shell is provided with the plug-in mechanism;
the plug-in mechanism comprises an adjusting screw, a guide rod, a guide block, a step cushion block and a plug claw, wherein the adjusting screw is vertically arranged on the bottom wall of the shell in a penetrating manner, the guide block is arranged at the upper end of the adjusting screw in a rotating manner, the guide rod sequentially vertically penetrates through the bottom wall of the shell, the guide block and the top wall of the shell from bottom to top, the plug claw is arranged at the upper part of the guide block, the step cushion block is arranged above the guide block, the step cushion block is arranged on the top wall of the shell in a penetrating manner, and the upper part of the plug claw is vertically arranged in the step cushion block in a penetrating manner;
the insertion claw is arranged to comprise a live wire insertion claw, a zero wire insertion claw and a ground wire insertion claw, wherein the live wire insertion claw and the ground wire insertion claw are arranged below
The part is adjacent and coaxial set up in the guide block, just the live wire insert the claw with the zero, the upper portion of ground wire insert the claw all vertically pass ladder cushion, the top that the claw was inserted to the live wire is set up to be higher than the top that the claw was inserted to zero, ground wire, just the claw is inserted to the live wire sets up into three, the claw is inserted to zero, ground wire sets up into two sets of, three sets of the claw is inserted to the live wire with two sets of zero, the equidistant arrangement of claw is inserted to ground wire.
2. Jack box according to claim 1, characterized in that: the guide block is arranged to comprise a guide main body and a pressing block, the guide main body and the adjusting screw are arranged in a rotary mode, the guide main body is vertically penetrated with the guide rod, a rectangular notch is formed in the top wall of the guide main body, five groups of L-shaped grooves are longitudinally and uniformly distributed in the rectangular notch along the axis direction of the rectangular notch, the structures of the five groups of L-shaped grooves are identical, and the five groups of L-shaped grooves are matched with each other to form the live wire inserting claw and the live wire inserting claw
0. The lower part of the ground wire inserting claw is provided with the pressing block which is matched with the rectangular notch.
3. Jack box according to claim 1 or 2, characterized in that: an indicating sheet is arranged on the front wall surface of the guide block and consists of an inserting part and a separating part.
4. A jack box according to claim 3, wherein: the shell is arranged to comprise a front shell part, a rear shell part, a left shell part and a right shell part, wherein the front shell part is buckled with the rear shell part, the front shell part is correspondingly arranged at two ends of the rear shell part, the left shell part and the right shell part are correspondingly arranged at two ends of the rear shell part, an observation window is arranged on the front shell part by corresponding indicating sheets, the bottom wall of the rear shell part is vertically penetrated with an adjusting screw rod, and the bottom wall and the top wall of the rear shell part are vertically penetrated with guide rods.
5. Jack box according to claim 1, characterized in that: the guide rods are arranged in two groups, and the two groups of guide rods are correspondingly arranged on the front side and the rear side of the adjusting screw rod.
6. A busway system, characterized by: the bus duct system comprises the jack box of any one of claims 1-5, the bus duct system further comprises a bus duct main body, an auxiliary bearing plate and a clamping block, the surfaces of the two side plates of the bus duct main body are correspondingly provided with inward concave lower connecting slide ways along the axial direction of the bus duct main body, the two ends of the auxiliary bearing plate are in interference fit with the inward concave lower connecting slide ways, the inserting claws of the jack box are matched and inserted into two conductor installation mechanisms of the bus duct main body, the conductor installation mechanisms are installed in a stepped mode, the upper wall of the rear shell part of the jack box is provided with the clamping block, and the clamping block penetrates through the auxiliary bearing plate.
7. The busway system of claim 6, wherein: the fixture block is arranged to be composed of a limiting part and a clamping part, wherein the limiting part is arranged at the upper end of the clamping part, the limiting part is arranged to be a disc, and the clamping part is arranged to be a cylinder.
8. The busway system of claim 7, wherein: offer rectangular channel and draw-in groove on the supplementary bearing plate, wear to establish in the rectangular channel the ladder cushion of jack box, and the right side coaxial line setting of this rectangular channel the draw-in groove, the structure setting of draw-in groove be with the structure of fixture block cooperatees, and this draw-in groove sets up to by major arc portion and U type portion constitution, the structure setting of major arc portion be with the structure of spacing portion cooperatees, and the diameter setting of this major arc portion be less than the diameter of spacing portion.
9. The busway system of claim 8, wherein: the clamping blocks and the clamping grooves are arranged in two groups.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710816607.0A CN109494665B (en) | 2017-09-11 | 2017-09-11 | Novel jack box and bus duct system using jack box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710816607.0A CN109494665B (en) | 2017-09-11 | 2017-09-11 | Novel jack box and bus duct system using jack box |
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| CN109494665A CN109494665A (en) | 2019-03-19 |
| CN109494665B true CN109494665B (en) | 2023-09-29 |
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| CN201710816607.0A Active CN109494665B (en) | 2017-09-11 | 2017-09-11 | Novel jack box and bus duct system using jack box |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787176B (en) * | 2019-03-29 | 2023-11-21 | 郭文艺 | Novel simple bus duct system |
| CN110518527B (en) * | 2019-09-16 | 2024-07-16 | 伊顿母线(江苏)有限公司 | Electric push-pull mechanism for bus duct jack box |
| CN110518525B (en) * | 2019-09-16 | 2024-07-16 | 伊顿母线(江苏)有限公司 | Push-pull mechanism for bus duct jack box |
| CN111554529B (en) * | 2020-06-09 | 2021-03-30 | 合隆防爆电气有限公司 | Explosion-proof plug device with quick installation function |
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| CN109494665A (en) | 2019-03-19 |
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