CN111432581A - Central electric appliance control box for agricultural tractor - Google Patents
Central electric appliance control box for agricultural tractor Download PDFInfo
- Publication number
- CN111432581A CN111432581A CN202010409794.2A CN202010409794A CN111432581A CN 111432581 A CN111432581 A CN 111432581A CN 202010409794 A CN202010409794 A CN 202010409794A CN 111432581 A CN111432581 A CN 111432581A
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- Prior art keywords
- circuit board
- safety disc
- mounting area
- base
- upper cover
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- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 239000002274 desiccant Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 241000238631 Hexapoda Species 0.000 description 5
- 241000257303 Hymenoptera Species 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000013473 artificial intelligence Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000256626 Pterygota <winged insects> Species 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
- H05K5/0056—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB characterized by features for protecting electronic components against vibration and moisture, e.g. potting, holders for relatively large capacitors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0069—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having connector relating features for connecting the connector pins with the PCB or for mounting the connector body with the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
- H05K7/12—Resilient or clamping means for holding component to structure
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The invention discloses a central electric appliance control box of a novel agricultural tractor, which comprises an upper cover, a base and a circuit board, wherein the upper cover and the base enclose a cavity for mounting the circuit board; the circuit board is provided with a plurality of connecting sockets and a plurality of connecting pins, the connecting sockets are arranged on the surface of the circuit board, and the connecting pins are arranged on the bottom surface of the circuit board; the surface of the upper cover is provided with a relay mounting area, a safety disc mounting area, an indicator light mounting area and a standby safety disc mounting area which are aligned with the connecting socket; the base is provided with a plurality of inwards-recessed interface grooves, the interface grooves are provided with through grooves aligned with the connecting pins, and the interface grooves are internally provided with sealing components. The invention installs the circuit board by arranging the upper cover and the base, integrates the components and the executive components of the tractor, greatly facilitates the installation of the components and also facilitates the management and the maintenance of the components.
Description
Technical Field
The invention relates to the field of automatic control of agricultural tractors, in particular to a novel central electric appliance control box of an agricultural tractor.
Background
In the traditional agricultural machinery, people sit in a cab, and a machine is controlled to complete related functions. However, when people drive, many problems exist, for example, after long-time work, the working efficiency of people is reduced, and the labor intensity of workers is greatly increased after long-time work, and the physical strength of people is also greatly tested.
With the development of communication, the traditional agricultural machinery, artificial intelligence and automatic driving can free the constraint of the agricultural machinery to people, and the working efficiency is improved. However, many components and parts and wires for connecting the components and parts with an execution device are needed for automatic driving and artificial intelligence, the existing components and parts and wires are dispersedly installed, but the method of the dispersive installation can cause difficulty in troubleshooting of a tractor, and meanwhile, the components and parts can be inconvenient to overhaul.
Disclosure of Invention
The invention aims to provide a novel central electric appliance control box of an agricultural tractor, which can be used for integrally controlling a controller of the agricultural tractor, saves the cost of wire harnesses and enables the management of the agricultural tractor to be more convenient.
The purpose of the invention is realized by the following technical scheme:
a central electric appliance control box of a novel agricultural tractor comprises an upper cover, a base and a circuit board, wherein the upper cover and the base enclose a cavity for mounting the circuit board; the circuit board is provided with a plurality of connecting sockets and a plurality of connecting pins, the connecting sockets are arranged on the surface of the circuit board, and the connecting pins are arranged on the bottom surface of the circuit board; the surface of the upper cover is provided with a relay mounting area, a safety disc mounting area, an indicator light mounting area and a standby safety disc mounting area which are aligned with the connecting socket, a plurality of relays which are spliced with the connecting pins are mounted in the relay mounting area, a plurality of safety discs which are spliced with the connecting pins are mounted in the safety disc mounting area, the safety disc mounting area is close to the indicator light mounting area, each safety disc is provided with an indicator light corresponding to the safety disc, the standby safety disc mounting area is arranged on two sides of the upper cover, the upper cover is also provided with a safety disc clamp for clamping the safety disc and a tool groove for placing the safety disc clamp, the periphery of the side wall of the upper cover is provided with an outer wall which extends towards the base, and the inner wall of the upper cover is also provided with a supporting column for supporting a; the lateral wall of base is processed all around has the inner wall of buckling towards the upper cover, and the inner wall suit is inboard at the outer wall, processing has a plurality of sunken interface grooves on the base, processing has the logical groove of aligning with the connection pin on the interface groove, the interface inslot is equipped with the seal assembly, and the inside of base is equipped with many supporting circuit board's support bar, and the crisscross setting of support bar, and a plurality of functional areas are separated into with the base to many support bars.
The sealing assembly comprises a cover plate matched with the contour of the interface groove and a folding spring cylinder for connecting the cover plate and the inner end face of the interface groove, and a drying agent for keeping dryness is filled in a space defined by the folding spring cylinder, the interface groove and the cover plate.
The folding spring cylinder is formed by rolling a spring piece into a cylinder shape and then bending the cylinder shape into a corrugated pipe shape.
Still process the spacing groove on the inner wall in interface groove, be equipped with on the apron with spacing groove complex to the locking mechanism, to the locking mechanism including fixing the support cover on the apron and installing the locking piece in the support cover with the symmetry, support the cover both ends and install the extension spring that drives two locking piece butts against, the both ends of every locking piece are all processed and are had the oblique angle, and the incline direction at oblique angle all faces the interface groove.
And the base between the functional areas is provided with a radiating fin, one end of the radiating fin is arranged in a gap between the circuit board and the base, and the other end of the radiating fin is arranged outside the base.
The safety disc clamp comprises clamping plates and arc elastic plates, the clamping plates are symmetrically arranged, the arc elastic plates are connected with the clamping plates, anti-slip strips used for holding the safety disc clamp are processed on the back-to-back surfaces of the upper portions of the two clamping plates, the lower portions of the two clamping plates are drawn close to each other, clamping jaws matched with the safety disc clamp are processed on the inner walls of the two clamping plates, the arc elastic plates are connected to the middle portions of the two clamping plates, the openings face the clamping jaws, the arc elastic plates and the two clamping plates are integrally formed, rib plates matched with the thickness of the safety disc are arranged on the inner walls of the arc elastic plates, and transverse clamping strips matched with the safety disc are arranged at.
Two grip blocks bottom all are equipped with supplementary fixture, and two sets of supplementary fixture symmetries set up, supplementary fixture sets up the grapple in the grip block both sides including the symmetry, and two grapple one ends are all articulated through the lateral wall of articulated elements with grip block both sides bottom, and the other end is for being used for the jack catch of snatching the insurance piece, and two grapple middle parts are passed through the dead lever and are connected.
The fixed rod is provided with a shifting block for driving the grapple to rotate, and the working direction of the grapple faces the safety piece.
The articulated elements include a fixed shaft arranged on the side wall of the clamping plate and a shaft sleeve sleeved on the fixed shaft, the shaft sleeve is fixedly connected with the grapple, a locking hole vertical to the axis is processed on the fixed shaft, a spring bolt and a spring for driving the spring bolt to eject are arranged in the locking hole, two positioning through holes coaxial with the locking hole are processed on the shaft sleeve, each positioning through hole is provided with a pressing rod capable of reciprocating, one end of each pressing rod, far away from the fixed shaft, extends out of each positioning through hole, the length of each pressing rod is equal to the depth of each positioning through hole, and the middle of each pressing rod is provided with a.
The novel central electric appliance control box of the agricultural tractor has the advantages that:
(1) the circuit board is installed by arranging the upper cover and the base, so that components and execution devices of the tractor are integrated, the components are greatly convenient to install, and the components are convenient to manage and maintain;
(2) the upper cover is provided with the relay mounting area, the safety disc mounting area, the indicator lamp mounting area and the standby safety disc mounting area, so that the central controller of the agricultural tractor is neatly arranged, and components of the central controller are convenient to replace and maintain;
(3) by arranging the safety disc clamp, the safety discs can be conveniently taken out, the situation that the gaps among the integrated safety discs are small can be prevented, meanwhile, the time for fault removal is shortened, and the production efficiency is ensured;
(4) through installing the subassembly of sealing on the interface groove of base, can prevent that the connection pin that causes when the interface groove is not installed the joint from causing the skew to the condition emergence of circuit board damage is caused in the pin skew of avoiding.
Drawings
Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an upper cover according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an upper cover according to another view angle provided by the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a base according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of another view angle of the base according to the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a circuit board according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a sealing assembly according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a locking mechanism according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a rupture disc holder according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of an auxiliary clamping mechanism according to an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a hinge according to an embodiment of the present invention.
Reference numerals: 1. an upper cover; 11. a relay mounting area; 12. a rupture disc mounting area; 13. an indicator light mounting area; 14. a spare rupture disc mounting area; 15. a tool slot; 16. an outer wall; 17. a support pillar; 2. a base; 21. an interface slot; 22. a through groove; 23. a supporting strip; 24. a limiting groove; 3. a circuit board; 31. a connection socket; 32. connecting pins; 4. a seal assembly; 41. a cover plate; 42. folding the spring barrel; 5. a locking mechanism; 51. a support sleeve; 52. a locking block; 53. a tension spring; 6. a heat sink; 7. a rupture disc holder; 71. a clamping plate; 72. an arc-shaped elastic plate; 73. anti-slip strips; 74. a clamping jaw; 75. a rib plate; 76. a transverse holding strip; 8. an auxiliary clamping mechanism; 81. a grapple; 82. a claw; 83. fixing the rod; 84. shifting blocks; 9. an articulation member; 91. a fixed shaft; 92. a lock hole; 93. a latch bolt; 94. a spring; 95. a shaft sleeve; 96. positioning the through hole; 97. a pressure lever; 98. and (5) pressing a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be connected internally or indirectly. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in fig. 1 to 11, the central electric appliance control box of the novel agricultural tractor provided by this embodiment includes an upper cover 1, a base 2 and a circuit board 3, wherein the upper cover 1 and the base 2 enclose a cavity for mounting the circuit board 3; the circuit board 3 is provided with a plurality of connecting sockets 31 and a plurality of connecting pins 32, the connecting sockets 31 are arranged on the surface of the circuit board 3, and the connecting pins 32 are arranged on the bottom surface of the circuit board 3; the surface of the upper cover 1 is provided with a relay mounting area 11, a safety disc mounting area 12, an indicator light mounting area 13 and a standby safety disc mounting area 14 which are aligned with the connecting socket 31, components for controlling the automatic driving of the agricultural tractor are integrated through the relay mounting area 11, the safety disc mounting area 12, the indicator light mounting area 13 and the standby safety disc mounting area 14, so that the components can be managed and integrated uniformly, and a transparent outer cover can be further mounted on the upper cover 1, so that the components can be protected and can be observed conveniently; the safety fuse protector is characterized in that a plurality of relays connected with connecting pins 32 in an inserting mode are installed in the relay installation area 11, a plurality of safety fuse pieces connected with the connecting pins 32 in an inserting mode are installed in the safety fuse installation area 12, a plurality of indicating lamps connected with the safety fuse pieces in series are arranged in the indicating lamp installation area 13, the safety fuse installation area 12 is close to the indicating lamp installation area 13, each safety fuse piece is provided with an indicating lamp corresponding to the safety fuse piece, when the safety fuse pieces are fused, the indicating lamps are turned on or off so that the fused safety fuse pieces can be rapidly locked in maintenance, maintenance efficiency is greatly improved, the standby safety fuse piece installation areas 14 are arranged on two sides of the upper cover 1, spare safety fuse pieces can provide accessory support for workers to replace after the safety fuse pieces are fused, the upper cover 1 is further provided with a safety fuse piece clamp 7 for clamping the safety fuse pieces and a tool groove 15 for placing the safety fuse piece clamp 7, and the safety fuse piece clamp 7 can be clamped in a very small, circuit faults caused by the deviation of other safety plates due to small operation space when the safety plates are pulled up by hands can be avoided, meanwhile, the safety plates can be quickly taken out to shorten the time for installing the safety plates, the periphery of the side wall of the upper cover 1 is provided with an outer wall 16 extending towards the base 2, and the inner wall of the upper cover 1 is also provided with a support column 17 for supporting the circuit board 3; the lateral wall of base 2 is processed all around has the inner wall of buckling towards upper cover 1, and the inner wall suit is inboard at outer wall 16, processing has a plurality of sunken interface grooves 21 on the base 2, through sunken interface groove 21, the length that the reducible central apparatus control box stretches out, has practiced thrift the installation space, processing has the logical groove 22 that aligns with connecting pin 32 on the interface groove 21, be equipped with seal assembly 4 in the interface groove 21, can prevent connecting pin 32 because of the interface that the skew caused can not normally connect, can protect the pin through seal assembly 4, in addition because agricultural tractor operation is outdoor, can prevent through seal assembly 4 that the winged insect that produces in the interface groove 21 from staying, the inside of base 2 is equipped with many supporting bars 23 of supporting circuit board 3, and supporting bar 23 sets up in a staggered way, many supporting bars 23 separate into a plurality of functional areas with base 2 to connect different executive components, such as a signal lamp control system, an instrument panel control system, a drive control system, etc.
32 relays and 50 safety plates are integrated on the upper cover 1 of the central electrical appliance control box, and each safety plate is connected with an indicator light, so that the fused safety plate can be locked quickly, the fault removal time can be reduced, the maintenance and overhaul efficiency can be improved, and the production efficiency of the agricultural tractor can be improved; meanwhile, the upper cover 1 is also provided with a safety disc clamp 7 for clamping a safety disc, and the fused safety disc can be rapidly taken out in a narrow space through the safety disc clamp 7, so that the replacement efficiency of the safety disc is improved.
As shown in fig. 7, since the agricultural tractor is used outdoors, there are many insects and ants outdoors, the agricultural tractor will generate heat when working, and the insects and ants like high temperature, after the insects and ants enter the agricultural tractor, the interface slot 21 is often the place where the insects and ants like particularly, in order to prevent the insects and ants from entering the central electrical control box, the sealing component 4 is installed in the interface slot 21, said sealing component 4 includes the cover plate 41 which matches the contour of the interface slot 21 and the folding spring 94 cylinder 42 which connects the cover plate 41 and the inner end face of the interface slot 21, the space enclosed by the folding spring 94 cylinder 42, the interface slot 21 and the cover plate 41 is filled with desiccant which is kept dry, the cover plate 41 is telescopically installed in the interface slot 21 by the folding spring 94 cylinder 42, when there is no connection, the cover plate 41 is jacked up, at this time, the cover plate 41 blocks the interface slot 21 and the connection pin 32, when there is, the folding spring 94 and the canister 42 are compressed.
In order to improve the sealing performance, the folding spring 94 cylinder 42 is rolled into a cylinder by a spring 94 sheet and then bent into a bellows shape, the cover plate 41 can be uniformly stressed by the bellows-shaped folding spring 94 to prevent the cover plate 41 from being clamped in the interface slot 21, and the folding spring 94 cylinder 42 is a soft spring 94 with elasticity only enough to support the cover plate 41.
As shown in fig. 8, in order to prevent the force applied by the spring 94 on the cover plate 41 from pushing out the joint with unstable fit from the interface slot 21, a limiting slot 24 is further processed on the inner wall of the interface slot 21, a locking mechanism 5 matched with the limiting slot 24 is arranged on the cover plate 41, the locking mechanism 5 comprises a support sleeve 51 fixed on the cover plate 41 and locking blocks 52 symmetrically installed in the support sleeve 51, a tension spring 53 driving the two locking blocks 52 to abut is installed at both ends of the support sleeve 51, an oblique angle is processed at both ends of each locking block 52, the oblique direction of the oblique angle faces the interface slot 21, a triangular wedge block is installed on the end surface of the joint during use, when the joint is inserted, the wedge block pushes the symmetrical locking blocks 52 to both sides, so that the locking blocks 52 extend into the limiting slot 24, when the joint is inserted into the bottom of the interface slot 21, both ends of the locking blocks 52 are pressed with the limiting slot 24 to form a friction force to block the elastic force of the folding spring 94, to ensure a more stable connection of the header with the connection pins 32 in the interface slot 21.
Because circuit board 3 during operation, components and parts and circuit board 3 can produce higher temperature, because agricultural tractor is used in the open air, for dampproofing, central electric appliance control box all adopts sealed design, in order to discharge the heat in the central electric appliance control box, consequently installs fin 6 on base 2 between the functional area of base 2, fin 6 one end is arranged in the clearance between circuit board 3 and base 2, and the other end is arranged outside base 2 for arrange partial heat outside the central electric appliance control box.
As shown in fig. 9, in order to quickly take the rupture disc holder 7, the rupture disc holder 7 comprises symmetrically arranged clamping plates 71 and arc-shaped elastic plates 72 connected with the clamping plates 71, anti-slip strips 73 for holding are processed on the back-to-back surfaces of the upper parts of the two clamping plates 71, the lower parts of the two clamping plates 71 are close to each other, clamping jaws 74 matched with the rupture disc holder 7 are processed on the inner walls of the two clamping plates 71, the arc-shaped elastic plates 72 are connected with the middle parts of the two clamping plates, the openings of the arc-shaped elastic plates 72 face the clamping jaws 74, the arc-shaped elastic plates 72 and the two clamping plates 71 are integrally formed, rib plates 75 matched with the thickness of the rupture disc are arranged on the inner walls of the arc-shaped elastic plates 72, transverse clamping strips 76 matched with the rupture disc are respectively arranged at the two ends of the rib plates 75, when in use, the anti-slip strips 73 are pinched by hands and then pressed down, one end of the clamping plates 71 provided with the, at the moment, the two clamping jaws 74 hook the bottom of the safety plate under the action of the arc-shaped elastic plate 72, and then the safety plate is pulled out.
As shown in fig. 10, since the fuse mounting area 12 needs to match the pins of the fuse with the connection pins on the circuit board 3, and the spare fuse mounting area 14 needs to protect the pins of the fuse, the structure of the fuse mounting area 12 is different from that of the spare fuse mounting area 14, in order to adapt the fuse holder 7 to two structures, the auxiliary clamping mechanisms 8 are arranged on the fuse holder 7, two sets of the auxiliary clamping mechanisms 8 are respectively arranged at the bottom of the two clamping plates 71, and the two sets of the auxiliary clamping mechanisms 8 are symmetrically arranged, the auxiliary clamping mechanisms 8 comprise the grabbing hooks 81 symmetrically arranged at two sides of the clamping plates 71, one end of each grabbing hook 81 is hinged with the side wall at the bottom of two sides of the clamping plate 71 through the hinge 9, the other end is a grabbing hook 82 for grabbing the fuse, the middle parts of the two grabbing hooks 81 are connected through the fixing rod 83, through the grabbing hooks 82 on the fuse holder 7, the spare safety disc can be taken out from the safety area of the spare safety disc, and the replacement efficiency of the safety disc is improved.
In order to facilitate the mutual switching between the auxiliary clamping mechanism and the clamping jaw 74 on the safety disc clamp 7, a shifting block 84 for driving the grabbing hook 81 to rotate is arranged on the fixed rod 83, and the working direction of the grabbing hook 81 faces to the safety disc.
As shown in fig. 11, in order to prevent the auxiliary clamping mechanism from rotating freely, a limiting hinge 9 is disposed on the auxiliary clamping mechanism, the auxiliary clamping mechanism has two states of unfolding and folding through the hinge 9, the hinge 9 includes a fixed shaft 91 mounted on a side wall of the clamping plate 71 and a shaft sleeve 95 sleeved on the fixed shaft 91, the shaft sleeve 95 is fixedly connected with the grapple 81, the fixed shaft 91 is formed with a locking hole 92 perpendicular to the axis, a locking tongue 93 and a spring 94 for driving the locking tongue 93 to eject are disposed in the locking hole 92, the shaft sleeve 95 is formed with two positioning through holes 96 coaxial with the locking hole 92, each positioning through hole 96 is provided with a pressure rod 97 capable of reciprocating, one end of the pressure rod 97 far from the fixed shaft 91 extends out of the positioning through hole 96, the length of the pressure rod 97 is equal to the depth of the positioning through hole 96, a pressure spring 98 connected with an inner wall of, when the auxiliary clamping mechanism is used, one hand holds the safety disc clamp 7, the other hand presses down the pressure rod 97 by fingers and rotates, and the lock tongue 93 is ejected out of the positioning through hole 96, so that the auxiliary clamping mechanism can be switched between the working state and the retracting state.
The using method of the invention is as follows:
during the use, install relay and rupture disc in proper order on upper cover 1, still establish ties on the connecting pin 32 of every rupture disc and have the pilot lamp, then in the interface slot 21 of base 2 installation joint, during the installation joint, the wedge of triangle-shaped in the joint will be to between two locking pieces 52 of locking mechanism 5, insert the joint in base 2 simultaneously, lock apron 41 through wedge, two locking pieces 52, prevent that arc springboard 72 from promoting apron 41 and push out the plug interface slot 21. If the safety disc is burnt out in the use process, the corresponding indicating lamp is turned on or turned off, when a person maintains the safety disc, the broken safety disc is lifted from the safety disc mounting area 12 through the clamping plate 71, then the attached clamping mechanism is rotated by hand, the auxiliary clamping mechanism 8 is driven by the safety disc clamp 7 to take the spare safety disc clamp 7, and then the spare safety disc is mounted in the replaced safety disc area by hand, so that the replacement operation is completed. When the connector is pulled out, the two locking pieces 52 are retracted under the action of the tension spring 53, and the cover plate 41 is pushed up under the action of the folding spring 94 and the cylinder 42 to seal the interface slot 21.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and procedures are omitted to avoid unnecessarily limiting the invention.
Claims (9)
1. The utility model provides a novel agricultural tractor central authorities electrical apparatus control box which characterized in that: the circuit board mounting structure comprises an upper cover, a base and a circuit board, wherein the upper cover and the base enclose a cavity for mounting the circuit board;
the circuit board is provided with a plurality of connecting sockets and a plurality of connecting pins, the connecting sockets are arranged on the surface of the circuit board, and the connecting pins are arranged on the bottom surface of the circuit board;
the surface of the upper cover is provided with a relay mounting area, a safety disc mounting area, an indicator light mounting area and a standby safety disc mounting area which are aligned with the connecting socket, a plurality of relays which are spliced with the connecting pins are mounted in the relay mounting area, a plurality of safety discs which are spliced with the connecting pins are mounted in the safety disc mounting area, the safety disc mounting area is close to the indicator light mounting area, each safety disc is provided with an indicator light corresponding to the safety disc, the standby safety disc mounting area is arranged on two sides of the upper cover, the upper cover is also provided with a safety disc clamp for clamping the safety disc and a tool groove for placing the safety disc clamp, the periphery of the side wall of the upper cover is provided with an outer wall which extends towards the base, and the inner wall of the upper cover is also provided with a supporting column for supporting a;
the lateral wall of base is processed all around has the inner wall of buckling towards the upper cover, and the inner wall suit is inboard at the outer wall, processing has a plurality of sunken interface grooves on the base, processing has the logical groove of aligning with the connection pin on the interface groove, the interface inslot is equipped with the seal assembly, and the inside of base is equipped with many supporting circuit board's support bar, and the crisscross setting of support bar, and a plurality of functional areas are separated into with the base to many support bars.
2. The novel farm tractor central electric appliance control box as claimed in claim 1, wherein: the sealing assembly comprises a cover plate matched with the contour of the interface groove and a folding spring cylinder for connecting the cover plate and the inner end face of the interface groove, and a drying agent for keeping dryness is filled in a space defined by the folding spring cylinder, the interface groove and the cover plate.
3. The novel farm tractor central electric appliance control box as claimed in claim 2, wherein: the folding spring cylinder is formed by rolling a spring piece into a cylinder shape and then bending the cylinder shape into a corrugated pipe shape.
4. The novel farm tractor central electric appliance control box as claimed in claim 2, wherein: still process the spacing groove on the inner wall in interface groove, be equipped with on the apron with spacing groove complex to the locking mechanism, to the locking mechanism including fixing the support cover on the apron and installing the locking piece in the support cover with the symmetry, support the cover both ends and install the extension spring that drives two locking piece butts against, the both ends of every locking piece are all processed and are had the oblique angle, and the incline direction at oblique angle all faces the interface groove.
5. The novel farm tractor central electric appliance control box as claimed in claim 1, wherein: and the base between the functional areas is provided with a radiating fin, one end of the radiating fin is arranged in a gap between the circuit board and the base, and the other end of the radiating fin is arranged outside the base.
6. The novel farm tractor central electric appliance control box as claimed in claim 1, wherein: the safety disc clamp comprises clamping plates and arc elastic plates, the clamping plates are symmetrically arranged, the arc elastic plates are connected with the clamping plates, anti-slip strips used for holding the safety disc clamp are processed on the back-to-back surfaces of the upper portions of the two clamping plates, the lower portions of the two clamping plates are drawn close to each other, clamping jaws matched with the safety disc clamp are processed on the inner walls of the two clamping plates, the arc elastic plates are connected to the middle portions of the two clamping plates, the openings face the clamping jaws, the arc elastic plates and the two clamping plates are integrally formed, rib plates matched with the thickness of the safety disc are arranged on the inner walls of the arc elastic plates, and transverse clamping strips matched with the safety disc are arranged at.
7. The novel farm tractor central electric appliance control box as claimed in claim 6, wherein: two grip blocks bottom all are equipped with supplementary fixture, and two sets of supplementary fixture symmetries set up, supplementary fixture sets up the grapple in the grip block both sides including the symmetry, and two grapple one ends are all articulated through the lateral wall of articulated elements with grip block both sides bottom, and the other end is for being used for the jack catch of snatching the insurance piece, and two grapple middle parts are passed through the dead lever and are connected.
8. The novel farm tractor central electric appliance control box as claimed in claim 7, wherein: the fixed rod is provided with a shifting block for driving the grapple to rotate, and the working direction of the grapple faces the safety piece.
9. The novel farm tractor central electric appliance control box as claimed in claim 7, wherein: the articulated elements include a fixed shaft arranged on the side wall of the clamping plate and a shaft sleeve sleeved on the fixed shaft, the shaft sleeve is fixedly connected with the grapple, a locking hole vertical to the axis is processed on the fixed shaft, a spring bolt and a spring for driving the spring bolt to eject are arranged in the locking hole, two positioning through holes coaxial with the locking hole are processed on the shaft sleeve, each positioning through hole is provided with a pressing rod capable of reciprocating, one end of each pressing rod, far away from the fixed shaft, extends out of each positioning through hole, the length of each pressing rod is equal to the depth of each positioning through hole, and the middle of each pressing rod is provided with a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409794.2A CN111432581A (en) | 2020-05-14 | 2020-05-14 | Central electric appliance control box for agricultural tractor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010409794.2A CN111432581A (en) | 2020-05-14 | 2020-05-14 | Central electric appliance control box for agricultural tractor |
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| Publication Number | Publication Date |
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| CN111432581A true CN111432581A (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010409794.2A Pending CN111432581A (en) | 2020-05-14 | 2020-05-14 | Central electric appliance control box for agricultural tractor |
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| CN (1) | CN111432581A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113473787A (en) * | 2021-06-18 | 2021-10-01 | 南京德普达凌云信息技术有限公司 | LED display control card and display screen synchronization system |
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