CN117525987B - Electrical apparatus box subassembly and air conditioner - Google Patents
Electrical apparatus box subassembly and air conditioner Download PDFInfo
- Publication number
- CN117525987B CN117525987B CN202311844999.3A CN202311844999A CN117525987B CN 117525987 B CN117525987 B CN 117525987B CN 202311844999 A CN202311844999 A CN 202311844999A CN 117525987 B CN117525987 B CN 117525987B
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- clamping plate
- clamping
- positioning
- mounting
- movably
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- 238000000034 method Methods 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000005476 soldering Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
- H01R13/5812—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part the cable clamping being achieved by mounting the separate part on the housing of the coupling device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/53—Fixed connections for rigid printed circuits or like structures connecting to cables except for flat or ribbon cables
-
- 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
- H05K5/0217—Mechanical details of casings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The invention relates to an electrical box assembly, which comprises a lower shell and an upper shell, wherein the inner side surfaces of the lower shell and the upper shell are mutually attached, a fixed clamping unit is arranged at the bottom of the upper shell, and a positioning locking unit is arranged in the lower shell. According to the wire box, the upper shell of the fixed clamping unit moves downwards, the first clamping plate starts to vertically move downwards, after the upper shell contacts the guide block, the first clamping plate is driven to start to move towards the center through the guiding effect of the guide block, so that the wire box is spliced to the bottom of a wire, then the first clamping plate drives the vertical rod to push the swing arm to start to rotate, the second clamping plate is driven to start to move downwards, the clamping of the wire harness is completed through the first clamping plate and the second clamping plate, under the condition that external force is applied, the clamping positions of the first clamping plate and the second clamping plate are balanced with the external force, the occurrence of loosening of the welding positions caused by the tensile force of the welding positions of the wire is reduced, and the use of the wire box is more stable, so that the wire box is suitable for being widely popularized and used.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to an electric box assembly and an air conditioner.
Background
At present, an electric box is taken as an important part in an air conditioner and is generally fixed on an air conditioner in a group and part mode, and the air conditioner electric box is an electric control box in the air conditioner and is a core part of the air conditioner. The air conditioner electrical box is usually arranged at the upper part of the air conditioner outdoor unit and is mainly responsible for controlling the refrigeration of the air conditioner. It includes a plurality of parts such as mainboard, condenser, relay, switch, fuse. The air conditioner electrical box has the functions of controlling the operation of the air conditioner, protecting the safe operation of the air conditioner and improving the energy efficiency of the air conditioner.
The inside PCB board that is provided with of electrical apparatus box usually carries out analysis and processing through PCB board to the information that sends the air conditioner, and wherein PCB board and those circuits that send the signal are connected through the wire generally, and wire and PCB are welded through soldering tin mode generally, so find in the in-service use, when being located the outside wire of electrical apparatus box and received the influence of external force to can drag wire and PCB board welded position, influence PCB and wire joint strength over time, cause the condition emergence of bad contact easily.
The present invention has been made in view of this.
Disclosure of Invention
In order to solve the technical problem that poor contact is easily caused when the welding position of the lead and the PCB is affected by external force, the invention adopts the basic conception of the technical scheme that:
the electric box assembly comprises a lower shell and an upper shell, wherein the inner side surfaces of the lower shell and the inner side surface of the upper shell are mutually attached, a fixed clamping unit is arranged at the bottom of the upper shell, and a positioning locking unit is arranged in the lower shell;
the fixed clamping unit comprises a first clamping plate and a second clamping plate, a positioning frame is movably inserted on the outer surface of the first clamping plate, the first clamping plate is arranged at the bottom of the second clamping plate, a vertical rod is arranged on the side wall of the first clamping plate, the tail end of the vertical rod is movably connected with a swing arm, the tail end of the swing arm is movably overlapped and arranged on the upper surface of the second clamping plate, a guide block is arranged at the bottom of the lower shell, the guide block and the fixed clamping unit are positioned on the same vertical plane, and the top of the guide block is an inclined plane;
the positioning locking unit comprises a mounting cover, the mounting cover is T-shaped, the mounting cover is fixedly arranged on the surface of the lower shell, the outer wall of the mounting cover and the first clamping plate are located on the same plane, positioning protrusions are movably inserted in protruding positions on two sides of the mounting cover, and the positioning protrusions are mutually matched with positioning holes formed in the tail ends of the first clamping plates.
As a preferred implementation mode of the invention, a fixed plate is fixedly arranged at the bottom of the lower shell, 3M glue is arranged at the bottom of the fixed plate, mounting lugs are arranged on the opposite surfaces of the lower shell and the upper shell, mounting holes are formed in the mounting lugs, positioning bolts are movably inserted in the mounting holes, positioning nuts are movably screwed at the tail ends of the positioning bolts, a plurality of radiating holes are formed in the surface of the upper shell, the radiating holes are mutually connected with an inner cavity, and a wire inlet pipe is arranged on the side wall of the lower shell.
As a preferred embodiment of the invention, the side wall of the lower shell is symmetrically provided with a pair of locating sleeves, a pair of notches are formed in the locating sleeves, the notches are cylindrical, the bottom of the upper shell is symmetrically provided with a pair of guide posts, the guide posts are in a vertical state, the sizes of the guide posts are mutually matched with the sizes of the notches, and the guide posts and the locating sleeves are positioned on the same vertical plane.
As a preferred implementation mode of the invention, the bottom of the upper shell is provided with the clamping plate, the surface of the clamping plate is provided with the clamping groove, the surface of the lower shell is provided with the clamping block, the surface of the clamping block is subjected to chamfering treatment, the clamping block is in a right trapezoid shape, the tail end of the top of the clamping block is not contacted with the clamping plate, the tail end of the bottom of the clamping block is mutually attached to the outer wall of the clamping plate, and the size of the clamping groove is mutually matched with the size of the clamping block.
As a preferred implementation mode of the invention, a vertical through hole is formed in the positioning frame, a second clamping plate is slidably arranged in the vertical through hole, a telescopic rod is arranged at the top of the second clamping plate, a rotating shaft is movably arranged on the side wall of the vertical through hole, a swing arm is fixedly arranged on the surface of the rotating shaft and is in an inclined state, the contact position of the swing arm and the second clamping plate is lower than the tail end height of the other side of the swing arm, a torsion spring is sleeved on the surface of the rotating shaft, one side of the torsion spring is clamped on the side wall of the vertical through hole, and the other side of the torsion spring is clamped on the side wall of the swing arm.
As a preferred implementation mode of the invention, the top of the vertical rod is provided with a connecting bracket, the center of the connecting bracket is provided with a through hole, a guide sliding rod transversely penetrates through the through hole, the side wall of the swing arm is provided with a strip-shaped sliding groove, the strip-shaped sliding groove is in a penetrating state, the size of the guide sliding rod is matched with the size of the strip-shaped sliding groove, and the guide sliding rod is arranged inside the strip-shaped sliding groove in a sliding way.
As a preferred implementation mode of the invention, the outer side of the first clamping plate is provided with a mounting groove, the inside of the mounting groove is movably provided with a guide wheel, the guide wheel is in contact with the guide block, the upper surface of the first clamping plate and the lower surface of the second clamping plate are respectively provided with a wire bundle groove, and the first clamping plate and the second clamping plate are in relative intermittent horizontal alignment with the wire inlet pipe.
As a preferred implementation mode of the invention, a mounting cavity is formed in the mounting cover, a plug rod is movably inserted on the surface of the mounting cover, a pressing plate is arranged at the tail end of the plug rod arranged on the inner side of the mounting cavity, a positioning protrusion is arranged at the tail end of the pressing plate, a reset spring is sleeved on the surface of the plug rod positioned in the mounting cavity, one side of the reset spring is clamped on the surface of the pressing plate, and the other side of the reset spring is clamped in the mounting cavity.
As a preferred implementation mode of the invention, the tail end of the inserted link is provided with a button, the button is movably penetrated through the side wall of the inserted lower shell, the surface of the lower shell is provided with a top plate, the top plate is arranged in a gap between the clamping plate and the clamping block, the surface of the inserted link is movably inserted and provided with a positioning seat, and the positioning seat is fixedly arranged on the surface of the lower shell.
As a preferred embodiment of the invention, the air conditioner comprises a motor and the electrical box assembly, wherein the input end of the motor is connected with a PCB control board through a wire harness, the surface of the PCB control board is provided with a motor control unit through soldering tin welding, the motor control unit comprises a local control module, a signal processing module and a wiring port, the local control module is used for controlling the forward and reverse rotation of the motor through a mechanical button, and the signal processing module analyzes and processes signals fed back by the motor.
Compared with the prior art, the invention has the following beneficial effects:
through being provided with fixed clamping unit, wherein fixed clamping unit's last casing moves down the casing, wherein first splint begin vertical downward movement, after contacting the guide block, drive first splint through the direction effect of guide block and begin to move to the center, thereby peg graft to the bottom of wire, then drive the montant through first splint and promote the swing arm and begin to rotate, thereby drive second splint and begin to move down, accomplish the centre gripping of pencil through first splint and second splint, under the condition that has received external force, through first splint and second splint clamping position and external force balance, the condition that wire welding position received the pulling force to cause welding position to become flexible takes place has been reduced, make the electrical apparatus box use more stable;
through being provided with location locking unit, after first splint centre gripping finishes, first splint are close to each other, and the location arch that is located the inside location locking unit of this moment has received reset spring's elasticity to with the location arch insert to the inside locating hole of first splint, guaranteed that last casing and lower casing are in preliminary joint state this moment, this state is in casing and lower casing through bolted connection in order to make things convenient for later stage user, makes the operation simpler.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic three-dimensional view of an electrical box assembly;
FIG. 2 is a three-dimensional view of a lower housing of the electrical box assembly;
FIG. 3 is a side cross-sectional view of an electrical box assembly;
FIG. 4 is a cross-sectional view of a detent unit inside a lower housing of an electrical box assembly;
FIG. 5 is a bottom view of the upper housing of the electrical box assembly;
FIG. 6 is a three-dimensional view of the upper housing of the electrical box assembly;
FIG. 7 is an enlarged view of FIG. 6 of an electrical box assembly;
FIG. 8 is an assembled view of an electrical box assembly;
fig. 9 is an internal partial view of the electrical box assembly of fig. 1.
In the figure:
101. a lower housing; 1011. a wire inlet pipe; 1012. a guide block; 1013. a positioning sleeve; 1014. a notch; 102. an upper housing; 1021. a heat radiation hole; 1022. a guide post; 103. a mounting ear; 1031. a mounting hole; 104. a fixing plate; 105. a clamping block; 1051. a clamping plate; 1052. a clamping groove;
200. a PCB control board;
301. a motor control unit; 3011. a local control module; 3012. a signal processing module; 3013. a wiring port;
400. a fixed clamping unit; 401. a first clamping plate; 4011. a guide wheel; 4012. a wire bundle groove; 4013. positioning holes; 402. a second clamping plate; 403. a vertical rod; 4031. a connecting bracket; 4032. a guide slide bar; 404. swing arms; 4041. a strip-shaped chute; 4042. a rotation shaft; 4043. a torsion spring; 405. a positioning frame; 406. a telescopic rod;
500. a positioning locking unit; 501. a mounting cover; 5011. a mounting cavity; 502. a rod; 5021. a pressing plate; 5022. positioning the bulge; 5023. a return spring; 5024. a positioning seat; 503. a button; 5031. and a top plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention.
Example 1
As shown in fig. 1 to 9, an electrical box assembly comprises a lower housing 101 and an upper housing 102, wherein the inner side surfaces of the lower housing 101 and the upper housing 102 are mutually attached, a fixed clamping unit 400 is arranged at the bottom of the upper housing 102, and a positioning locking unit 500 is arranged in the lower housing 101;
the fixed clamping unit 400 comprises a first clamping plate 401 and a second clamping plate 402, a positioning frame 405 is movably inserted on the outer surface of the first clamping plate 401, the first clamping plate 401 is arranged at the bottom of the second clamping plate 402, a vertical rod 403 is arranged on the side wall of the first clamping plate 401, the tail end of the vertical rod 403 is movably connected with a swing arm 404, the tail end of the swing arm 404 is movably overlapped and arranged on the upper surface of the second clamping plate 402, a guide block 1012 is arranged at the bottom of the lower shell 101, the guide block 1012 and the fixed clamping unit 400 are positioned on the same vertical plane, and the top of the guide block 1012 is an inclined plane; through being provided with fixed clamping unit, wherein fixed clamping unit's last casing removes to the lower casing, wherein first splint begin vertical downwardly moving, after contacting the guide block, the guide effect through the guide block drives first splint and begins to remove to the center, thereby peg graft to the bottom of wire, drive the montant through first splint and promote the swing arm and begin to rotate, thereby drive the centre gripping of second splint and begin to remove downwards, accomplish the centre gripping of pencil through first splint and second splint, under the condition that has received external force, through first splint and second splint clamping position and external force balance, the condition that wire welding position received the pulling force to cause welding position to become flexible takes place has been reduced, make the electrical apparatus box use more stable.
The positioning locking unit 500 comprises a mounting cover 501, wherein the mounting cover 501 is T-shaped, the mounting cover 501 is fixedly arranged on the surface of the lower shell 101, the outer wall of the mounting cover 501 and the first clamping plate 401 are positioned on the same plane, positioning protrusions 5022 are movably inserted in protruding positions on two sides of the mounting cover 501, and the positioning protrusions 5022 are mutually matched with positioning holes 4013 formed in the tail end of the first clamping plate 401. Through being provided with location locking unit, after first splint centre gripping finishes, first splint are close to each other, and the location arch that is located the inside location locking unit of this moment has received reset spring's elasticity to with the location arch insert to the inside locating hole of first splint, guaranteed that last casing and lower casing are in preliminary joint state this moment, this state is in casing and lower casing through bolted connection in order to make things convenient for later stage user, makes the operation simpler.
As shown in fig. 1, 2 and 5, in a specific embodiment, a fixing plate 104 is fixedly arranged at the bottom of a lower shell 101, 3M glue is arranged at the bottom of the fixing plate 104, mounting lugs 103 are arranged on opposite surfaces of the lower shell 101 and an upper shell 102, mounting holes 1031 are formed in the mounting lugs 103, movable inserting connection is arranged in the mounting holes 1031, positioning nuts are movably screwed at the tail ends of the positioning bolts, a plurality of radiating holes 1021 are formed in the surface of the upper shell 102, the radiating holes 1021 are connected with an inner cavity, inlet wire pipes 1011 are arranged on the side wall of the lower shell 101, the upper shell 102 and the lower shell 101 can be mounted through the mounting holes 1031 and the bolts, and the set 3M glue can paste an electric appliance box at any position.
As shown in fig. 1, 2 and 5, further, a pair of positioning sleeves 1013 are symmetrically disposed on the side wall of the lower housing 101, a notch 1014 is formed in the pair of positioning sleeves 1013, the notch 1014 is cylindrical, a pair of guide posts 1022 are symmetrically disposed on the bottom of the upper housing 102, the pair of guide posts 1022 are in a vertical state, the dimensions of the guide posts 1022 are mutually matched with those of the notch 1014, and the guide posts 1022 and the positioning sleeves 1013 are located on the same vertical plane. The upper housing 102 moves downward, and the guide posts 1022 on the surface of the upper housing 102 vertically correspond to the notches 1014 inside the positioning sleeve 1013, ensuring that the mounting positions of the upper housing 102 and the lower housing 101 are accurate.
Example 2
The difference from this embodiment based on the above embodiment is that:
as shown in fig. 2, 5 and 9, a clamping plate 1051 is arranged at the bottom of the upper housing 102, a clamping groove 1052 is formed in the surface of the clamping plate 1051, a clamping block 105 is arranged on the surface of the lower housing 101, chamfering is performed on the surface of the clamping block 105, the clamping block 105 is in a right trapezoid shape, the tail end of the top of the clamping block 105 is not contacted with the clamping plate 1051, the tail end of the bottom of the clamping block 105 is mutually attached to the outer wall of the clamping plate 1051, and the size of the clamping groove 1052 and the size of the clamping block 105 are mutually matched. In the relative motion of the upper shell 102 and the lower shell 101, the clamping plate 1051 moves downwards, and after the clamping plate 1051 moves to the surface of the clamping block 105, the surface of the clamping block 105 is inclined, so that the clamping plate 1051 which drives the plastic material deforms in a resetting way, and finally the clamping groove 1052 and the clamping block 105 are clamped with each other, so that the primary fixing function is realized.
As shown in fig. 5, fig. 6, fig. 7 and fig. 8, in a specific embodiment, a vertical through hole is formed in the positioning frame 405, a second clamping plate 402 is slidably arranged in the vertical through hole, a telescopic rod 406 is arranged at the top of the second clamping plate 402, a rotating shaft 4042 is movably arranged on the side wall of the vertical through hole, a swing arm 404 is fixedly arranged on the surface of the rotating shaft 4042, the swing arm 404 is in an inclined state, the contact position of the swing arm 404 and the second clamping plate 402 is lower than the tail end height of the other side of the swing arm 404, a torsion spring 4043 is sleeved on the surface of the rotating shaft 4042, one side of the torsion spring 4043 is clamped on the side wall of the vertical through hole, and the other side of the torsion spring 4043 is clamped on the side wall of the swing arm 404. Further, the top of the vertical rod 403 is provided with a connecting bracket 4031, a through hole is formed in the central position of the connecting bracket 4031, a guide sliding rod 4032 is transversely arranged in the through hole in a penetrating mode, a strip-shaped sliding groove 4041 is formed in the side wall of the swing arm 404, the strip-shaped sliding groove 4041 is in a penetrating state, the size of the guide sliding rod 4032 is matched with the size of the strip-shaped sliding groove 4041, and the guide sliding rod 4032 is arranged inside the strip-shaped sliding groove 4041 in a sliding mode. In the process that the first clamping plate 401 moves towards the center, the vertical rods 403 on the surface are driven to synchronously start moving towards the center, the swing arms 404 on the surface cannot horizontally move, so that the guide sliding rods 4032 inside the connecting brackets 4031 at the tail ends of the vertical rods 403 start moving along the strip-shaped sliding grooves 4041, the strip-shaped sliding grooves 4041 are in an inclined state, the swing arms 404 provided with the strip-shaped sliding grooves 4041 are driven to start rotating, the surface of the rotating shaft 4042 in the center of the swing arms 404 is provided with torsion springs 4043, the torsion springs 4043 are used for resetting at the later stage conveniently, after the swing arms 404 start rotating, the tail ends of the swing arms 404 are connected with the second clamping plates 402, at the moment, the second clamping plates 402 are subjected to extrusion, the second clamping plates 402 are driven to vertically move downwards along the positioning frame 405, the fixing action on the wire harness is completed through the second clamping plates 402 and the first clamping plates 401, and the telescopic rods 406 at the tops of the second clamping plates 402 are guaranteed to be automatically reset, and the second clamping plates 402 are convenient to detach.
Example 3
The difference from this embodiment based on the above embodiment is that:
as shown in fig. 5, 6, 7 and 8, a mounting groove is formed in the outer side of the first clamping plate 401, a guide wheel 4011 is movably arranged in the mounting groove, the guide wheel 4011 is in contact with a guide block 1012, wire beam grooves 4012 are formed in the upper surface of the first clamping plate 401 and the lower surface of the second clamping plate 402, and the first clamping plate 401 and the second clamping plate 402 are horizontally aligned with the wire inlet pipe 1011 at intervals. In the process of moving down the upper case 102, the fixing clip unit 400 will contact with the guide block 1012, and first the guide wheel 4011 of the side wall of the first clip 401 contacts with the guide block 1012, and the guide block 1012 is inclined, so that the first clip 401 is driven to move toward the center at this time, and when the guide block 1012 is not contacted, the first clip 401 is vertically moved down, and starts to move toward the center, and at this time, the first clip 401 is already located at the bottom of the wire harness, thereby supporting the bottom of the wire harness.
As shown in fig. 2, 3 and 4, in a specific embodiment, a mounting cavity 5011 is formed in the mounting cover 501, a plug rod 502 is movably inserted on the surface of the mounting cover 501, a pressing plate 5021 is arranged at the tail end of the plug rod 502 arranged on the inner side of the mounting cavity 5011, a positioning protrusion 5022 is arranged at the tail end of the pressing plate 5021, a reset spring 5023 is sleeved on the surface of the plug rod 502 positioned in the mounting cavity 5011, one side of the reset spring 5023 is clamped on the surface of the pressing plate 5021, and the other side of the reset spring 5023 is clamped in the mounting cavity 5011. In the process of the relative movement of the first clamping plate 401, after the first clamping plate 401 is in contact with the mounting cover 501, the positioning protrusion 5022 in the mounting cover 501 is subjected to the force of the reset spring 5023, the positioning protrusion 5022 has a trend of moving outwards, and after the positioning protrusion 5022 corresponds to the positioning hole 4013, the positioning protrusion 5022 is inserted into the positioning hole 4013 to fix the position of the first clamping plate 401, so that the fixing positions of the first clamping plate 401 and the second clamping plate 402 are locked, and the wire harness is ensured not to loosen.
As shown in fig. 2, 3 and 4, further, a button 503 is disposed at the end of the inserting rod 502, the button 503 movably penetrates through the side wall of the lower housing 101, a top plate 5031 is disposed on the surface of the lower housing 101, the top plate 5031 is disposed in a gap between the clamping plate 1051 and the clamping block 105, a positioning seat 5024 is movably disposed on the surface of the inserting rod 502 in a plugging manner, and the positioning seat 5024 is fixedly disposed on the surface of the lower housing 101. First, push button 503 is pressed, push button 503 drives inserted bar 502 to compress inwards synchronously, and push button 503 end is provided with roof 5031, roof 5031 withstands cardboard 1051 this moment, make cardboard 1051 take place deformation, thereby can remove fixture block 105 from draw-in groove 1052 inside, and when inserted bar 502 moves, drive the protruding 5022 of location through clamp plate 5021 and remove the protruding 5022 of location with locating hole 4013 separation, fixed clamping unit 400 unblock this moment, the dismantlement of lower casing 101 and last casing 102 can directly be accomplished.
The invention also discloses an air conditioner, which comprises a motor and an electric box assembly, wherein the input end of the motor is connected with a PCB control board 200 through a wire harness, the surface of the PCB control board 200 is provided with a motor control unit 301 through soldering tin, the motor control unit 301 comprises a local control module 3011, a signal processing module 3012 and a wiring port 3013, the local control module 3011 is used for controlling the forward and reverse rotation of the motor through a mechanical button, and the signal processing module 3012 analyzes and processes signals fed back by the motor.
The implementation principle of the electrical box assembly and the air conditioner of the embodiment is as follows:
when the device is required to be used, the control harness is first inserted into the inside of the lower housing 101 through the inlet pipe 1011, and connection of the harness is completed through the wiring port 3013, and then sealing of the lower housing is completed through the upper housing 102. The upper housing 102 moves downward, and the guide posts 1022 on the surface of the upper housing 102 vertically correspond to the notches 1014 inside the positioning sleeve 1013, ensuring that the mounting positions of the upper housing 102 and the lower housing 101 are accurate.
In the process of moving down the upper case 102, the fixing clip unit 400 will contact with the guide block 1012, and first the guide wheel 4011 of the side wall of the first clip 401 contacts with the guide block 1012, and the guide block 1012 is inclined, so that the first clip 401 is driven to move toward the center at this time, and when the guide block 1012 is not contacted, the first clip 401 is vertically moved down, and starts to move toward the center, and at this time, the first clip 401 is already located at the bottom of the wire harness, thereby supporting the bottom of the wire harness.
In the process that the first clamping plate 401 moves towards the center, the vertical rods 403 on the surface are driven to synchronously start moving towards the center, the swing arms 404 on the surface cannot horizontally move, so that the guide sliding rods 4032 inside the connecting brackets 4031 at the tail ends of the vertical rods 403 start moving along the strip-shaped sliding grooves 4041, the strip-shaped sliding grooves 4041 are in an inclined state, the swing arms 404 provided with the strip-shaped sliding grooves 4041 are driven to start rotating, the surface of the rotating shaft 4042 in the center of the swing arms 404 is provided with torsion springs 4043, the torsion springs 4043 are used for resetting at the later stage conveniently, after the swing arms 404 start rotating, the tail ends of the swing arms 404 are connected with the second clamping plates 402, at the moment, the second clamping plates 402 are subjected to extrusion, the second clamping plates 402 are driven to vertically move downwards along the positioning frame 405, the fixing action on the wire harness is completed through the second clamping plates 402 and the first clamping plates 401, and the telescopic rods 406 at the tops of the second clamping plates 402 are guaranteed to be automatically reset, and the second clamping plates 402 are convenient to detach.
In the relative motion of the upper shell 102 and the lower shell 101, the clamping plate 1051 moves downwards, and after the clamping plate 1051 moves to the surface of the clamping block 105, the surface of the clamping block 105 is inclined, so that the clamping plate 1051 which drives the plastic material deforms in a resetting way, and finally the clamping groove 1052 and the clamping block 105 are clamped with each other, so that the primary fixing function is realized.
In the process of the relative movement of the first clamping plate 401, after the first clamping plate 401 is in contact with the mounting cover 501, the positioning protrusion 5022 in the mounting cover 501 is subjected to the force of the reset spring 5023, the positioning protrusion 5022 has a trend of moving outwards, and after the positioning protrusion 5022 corresponds to the positioning hole 4013, the positioning protrusion 5022 is inserted into the positioning hole 4013 to fix the position of the first clamping plate 401, so that the fixing positions of the first clamping plate 401 and the second clamping plate 402 are locked, and the wire harness is ensured not to loosen.
When later stage needs to be dismantled, the user presses button 503 at first, drives inserted bar 502 synchronous to inside compression through button 503, and button 503 end is provided with roof 5031, roof 5031 withstands cardboard 1051 this moment for cardboard 1051 takes place deformation, thereby can remove fixture block 105 from draw-in groove 1052 inside, and when inserted bar 502 removes, drives the protruding 5022 of location through clamp plate 5021 and removes the protruding 5022 of location with locating hole 4013 separation, fixed clamping unit 400 unblock this moment, the dismantlement of lower casing 101 and last casing 102 can directly be accomplished.
Claims (8)
1. The electric box assembly comprises a lower shell (101) and an upper shell (102), and is characterized in that the inner side surfaces of the lower shell (101) and the inner side surfaces of the upper shell (102) are mutually attached, a fixed clamping unit (400) is arranged at the bottom of the upper shell (102), and a positioning locking unit (500) is arranged in the lower shell (101);
the fixed clamping unit (400) comprises a first clamping plate (401) and a second clamping plate (402), a positioning frame (405) is movably inserted on the outer surface of the first clamping plate (401), the first clamping plate (401) is arranged at the bottom of the second clamping plate (402), a vertical rod (403) is arranged on the side wall of the first clamping plate (401), a swing arm (404) is movably connected with the tail end of the vertical rod (403), the tail end of the swing arm (404) is movably overlapped on the upper surface of the second clamping plate (402), a guide block (1012) is arranged at the bottom of the lower shell (101), the guide block (1012) and the fixed clamping unit (400) are positioned on the same vertical plane, and the top of the guide block (1012) is an inclined plane;
the positioning locking unit (500) comprises a mounting cover (501), the mounting cover (501) is T-shaped, the mounting cover (501) is fixedly arranged on the surface of the lower shell (101), the outer wall of the mounting cover (501) and the first clamping plate (401) are positioned on the same plane, positioning protrusions (5022) are movably inserted in protruding positions on two sides of the mounting cover (501), and the positioning protrusions (5022) are mutually matched with positioning holes (4013) formed in the tail end of the first clamping plate (401);
the positioning frame (405) is internally provided with a vertical through hole, a second clamping plate (402) is slidably arranged in the vertical through hole, the top of the second clamping plate (402) is provided with a telescopic rod (406), the side wall of the vertical through hole is movably provided with a rotating shaft (4042), the surface of the rotating shaft (4042) is fixedly provided with a swinging arm (404), the swinging arm (404) is in an inclined state, the contact position of the swinging arm (404) and the second clamping plate (402) is lower than the tail end height of the other side of the swinging arm (404), the surface of the rotating shaft (4042) is sleeved with a torsion spring (4043), one side of the torsion spring (4043) is clamped on the side wall of the vertical through hole, and the other side of the torsion spring (4043) is clamped on the side wall of the swinging arm (404);
the utility model discloses a connecting device for a mobile phone, including montant (403), connecting bracket (4031) central point put and set up the through-hole, inside transversely running through of through-hole is provided with direction slide bar (4032), bar spout (4041) have been seted up to swing arm (404) lateral wall, bar spout (4041) are run through the state, direction slide bar (4032) size and bar spout (4041) size adaptation, direction slide bar (4032) slip sets up inside bar spout (4041).
2. The electrical box assembly according to claim 1, wherein a fixing plate (104) is fixedly arranged at the bottom of the lower casing (101), 3M glue is arranged at the bottom of the fixing plate (104), mounting lugs (103) are arranged on opposite surfaces of the lower casing (101) and the upper casing (102), mounting holes (1031) are formed in the mounting lugs (103), positioning bolts are movably inserted into the mounting holes (1031), positioning nuts are movably screwed at the tail ends of the positioning bolts, a plurality of heat dissipation holes (1021) are formed in the surface of the upper casing (102), the heat dissipation holes (1021) are connected with an inner cavity, and a wire inlet pipe (1011) is arranged on the side wall of the lower casing (101).
3. The electrical box assembly according to claim 1, wherein a pair of positioning sleeves (1013) are symmetrically arranged on the side wall of the lower housing (101), a pair of notches (1014) are formed in the positioning sleeves (1013), the notches (1014) are cylindrical, a pair of guide posts (1022) are symmetrically arranged on the bottom of the upper housing (102), the pair of guide posts (1022) are in a vertical state, the sizes of the guide posts (1022) are mutually matched with those of the notches (1014), and the guide posts (1022) and the positioning sleeves (1013) are located on the same vertical plane.
4. The electrical box assembly according to claim 1, wherein a clamping plate (1051) is arranged at the bottom of the upper casing (102), a clamping groove (1052) is formed in the surface of the clamping plate (1051), a clamping block (105) is arranged on the surface of the lower casing (101), chamfering is carried out on the surface of the clamping block (105), the clamping block (105) is in a right trapezoid shape, the tail end of the top of the clamping block (105) is not contacted with the clamping plate (1051), the tail end of the bottom of the clamping block (105) is mutually attached to the outer wall of the clamping plate (1051), and the size of the clamping groove (1052) and the size of the clamping block (105) are mutually matched.
5. The electrical box assembly according to claim 1, wherein a mounting groove is formed in the outer side of the first clamping plate (401), a guide wheel (4011) is movably arranged in the mounting groove, the guide wheel (4011) is in contact with the guide block (1012), wire binding grooves (4012) are formed in the upper surface of the first clamping plate (401) and the lower surface of the second clamping plate (402), and the first clamping plate (401) and the second clamping plate (402) are in horizontal alignment with the incoming wire pipe (1011) relatively intermittently.
6. The electrical box assembly according to claim 1, wherein a mounting cavity (5011) is formed in the mounting cover (501), a plug rod (502) is movably inserted on the surface of the mounting cover (501), a pressing plate (5021) is arranged at the tail end of the plug rod (502) arranged on the inner side of the mounting cavity (5011), a positioning protrusion (5022) is arranged at the tail end of the pressing plate (5021), a reset spring (5023) is sleeved on the surface of the plug rod (502) arranged in the mounting cavity (5011), one side of the reset spring (5023) is clamped on the surface of the pressing plate (5021), and the other side of the reset spring (5023) is clamped in the mounting cavity (5011).
7. The electrical box assembly according to claim 6, wherein a button (503) is disposed at the end of the inserting rod (502), the button (503) movably penetrates through the side wall of the lower housing (101), a top plate (5031) is disposed on the surface of the lower housing (101), the top plate (5031) is disposed in a gap between the clamping plate (1051) and the clamping block (105), a positioning seat (5024) is movably disposed on the surface of the inserting rod (502) in an inserting manner, and the positioning seat (5024) is fixedly disposed on the surface of the lower housing (101).
8. An air conditioner characterized by comprising a motor and the electrical box assembly according to any one of claims 1-7, wherein a PCB control board (200) is arranged at the input end of the motor through wire harness connection, a motor control unit (301) is arranged on the surface of the PCB control board (200) through soldering tin, the motor control unit (301) comprises a local control module (3011), a signal processing module (3012) and a wiring port (3013), the local control module (3011) is used for controlling forward and reverse rotation of the motor through a mechanical button, and the signal processing module (3012) analyzes and processes signals fed back by the motor.
Priority Applications (1)
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CN202311844999.3A CN117525987B (en) | 2023-12-29 | 2023-12-29 | Electrical apparatus box subassembly and air conditioner |
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CN202311844999.3A CN117525987B (en) | 2023-12-29 | 2023-12-29 | Electrical apparatus box subassembly and air conditioner |
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CN117525987B true CN117525987B (en) | 2024-03-12 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN211831540U (en) * | 2020-05-13 | 2020-10-30 | 郑州跃博汽车电器有限公司 | Waterproof and anti-condensation electrical box |
CN215345371U (en) * | 2021-06-07 | 2021-12-28 | 郑州跃博汽车电器有限公司 | Intelligent electrical box |
CN219876366U (en) * | 2022-12-22 | 2023-10-20 | 上海海拉电子有限公司 | Electrical appliance box |
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2023
- 2023-12-29 CN CN202311844999.3A patent/CN117525987B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN211831540U (en) * | 2020-05-13 | 2020-10-30 | 郑州跃博汽车电器有限公司 | Waterproof and anti-condensation electrical box |
CN215345371U (en) * | 2021-06-07 | 2021-12-28 | 郑州跃博汽车电器有限公司 | Intelligent electrical box |
CN219876366U (en) * | 2022-12-22 | 2023-10-20 | 上海海拉电子有限公司 | Electrical appliance box |
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