Frequency conversion fan watertight fittings
Technical Field
The utility model relates to the technical field of frequency conversion fan waterproofing, in particular to a frequency conversion fan waterproofing device.
Background
The fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical equipment, and can be classified into several types according to the used materials, such as an iron shell fan (a common fan), a glass fiber reinforced plastic fan, a plastic fan, an aluminum fan, a stainless steel fan and the like.
The prior art has the following defects: current frequency conversion fan, general converter is installed in the frequency conversion fan outside, but because the fan kind is more, it is equally changeable to use the scene, when being in external world or carrying out the during operation in humid environment, often have moisture content and adhere to on the converter, can cause adverse effect to the work of converter, still can cause the emergence of the condition such as short circuit when serious, its thermal diffusivity still need be considered to the during operation of converter simultaneously, current device can't satisfy the heat dissipation and the waterproof of converter simultaneously.
Therefore, the utility model is necessary to invent a waterproof device of the variable frequency fan.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides the frequency conversion fan waterproof device, and through the design of the waterproof mechanism, the device can well protect the frequency converter from water, so as to solve the problem that the traditional frequency converter is in contact with external moisture in the use process and causes short circuit seriously.
In order to achieve the above purpose, the utility model provides the following technical scheme: a frequency conversion fan waterproof device comprises a shell, wherein a fan body is fixedly arranged on one side of the shell, a frequency converter body is fixedly arranged on the top of the shell, a protective frame is further arranged on the top of the shell, the frequency converter body is arranged in the protective frame, a waterproof mechanism is arranged in the shell, and the waterproof mechanism extends out of the shell;
the waterproof mechanism comprises a first motor, the first motor is fixedly connected with a first rotating rod through an output shaft, the top of the shell is also fixedly provided with an auxiliary frame, the auxiliary frame is fixedly arranged on one side of the protective frame, the top of the first rotating rod is provided with a first reciprocating lead screw, the first reciprocating lead screw is connected with the first rotating rod through a one-way bearing, the first reciprocating lead screw penetrates through the top of the shell and is connected with the shell through a bearing, a first bearing seat is sleeved outside the first reciprocating lead screw, the first bearing seat is connected with the first reciprocating lead screw through a ball nut pair, one side of the first bearing seat is fixedly provided with an L-shaped plate, the bottom of the inner cavity of the shell is fixedly provided with a support plate, and the first motor is fixedly arranged on the top of the support plate;
waterproof mechanism still includes the support component, the support component includes the motor frame, the fixed backup pad top of locating of motor frame, inside the motor frame was located to first motor is fixed, first pivot pole runs through motor frame top and passes through the bearing with the motor frame and be connected.
Preferably, the fixed box that is equipped with in casing one side, the inside second dwang that is equipped with of box, second dwang both sides pass through the bearing with casing one side and a box inner chamber lateral wall respectively and are connected, the outside fixed a plurality of first flabellums that are equipped with of second dwang, the income wind gap has been seted up to casing one side, two air outlets have been seted up to the casing opposite side, fixed two first dust screens that are equipped with on the box lateral wall.
Preferably, the backup pad top is equipped with the reciprocal lead screw of second, the reciprocal lead screw of second runs through the casing top and passes through the bearing with the casing and be connected, the inside fixed diaphragm that is equipped with of protection frame, the reciprocal lead screw top of second and bottom pass through the bearing with diaphragm bottom and backup pad respectively and be connected, the outside cover of the reciprocal lead screw of second is equipped with the second bearing seat, the second bearing seat passes through ball nut pair with the reciprocal lead screw of second and is connected, the casing top is fixed and is equipped with first limiting plate, first limiting plate top and protection frame inner chamber top fixed connection.
Preferably, the fixed first connecting plate that is equipped with in second bearing frame one side, income wind gap one side is equipped with first baffle, first baffle runs through first baffle, first baffle one side and first connecting plate one side fixed connection, first rotation pole outside is equipped with first gear, first gear passes through one-way bearing with first rotation pole and is connected, the reciprocal lead screw external fixation of second is equipped with the second gear, first gear one side is located to the second gear, the second gear meshes with first gear mutually.
Preferably, a second dust screen is fixedly arranged on one side wall of the auxiliary frame, a long plate is fixedly arranged in the auxiliary frame, a movable groove is formed in the long plate, the top of the first reciprocating screw rod is connected with the bottom of the long plate through a bearing, a partition plate is fixedly arranged at the top of the long plate, a hole groove is formed in the partition plate, frame bodies are respectively arranged on one sides of the first dust screen and the hole groove, water-absorbing cloth is fixedly arranged in the two frame bodies, two second limiting plates are fixedly arranged in the auxiliary frame, two rectangular plates are respectively fixedly arranged on one side of the two auxiliary frames, two bottom plates are arranged in the auxiliary frame, one side of the two rectangular plates is fixedly connected with one bottom plate, a connecting plate is fixedly arranged on one side of the other bottom plate, the connecting plate is fixedly connected with one side of one of the frame bodies, and the two second limiting plates respectively penetrate through the two rectangular plates and one bottom plate, one side of the L-shaped plate is fixedly connected with one side of one of the rectangular plates, and one of the second limiting plates penetrates through the L-shaped plate.
Preferably, two the bottom plate one side is all fixed and is equipped with the rack board, two rack board one side is all fixed and is equipped with the rack, the inside auxiliary rod that is equipped with of auxiliary frame, auxiliary rod and casing auxiliary frame pass through the bearing and connect, the auxiliary rod external fixation is equipped with auxiliary gear, two auxiliary gear both sides are located respectively to the rack, two the rack all meshes with auxiliary gear mutually, still fixedly on the auxiliary frame inner chamber rear side wall be equipped with two heating blocks, two the heating block is fixed respectively and is located two framework rear sides.
Preferably, the inside second motor that still is equipped with of casing, the fixed carriage that is equipped with on a lateral wall of casing inner chamber, the fixed carriage that locates of second motor is inside, the second motor passes through the first round bar of output shaft fixedly connected with, first round bar one side is equipped with the reciprocal lead screw of third, the reciprocal lead screw of third passes through one-way bearing with first round bar and is connected, the inside fixed riser that is equipped with of casing, the reciprocal lead screw one side of third passes through the bearing with riser one side and is connected, the outside cover of the reciprocal lead screw of third is equipped with third bearing, third bearing passes through ball nut pair with the reciprocal lead screw of third and is connected, the fixed second connecting plate that is equipped with in third bearing top.
Preferably, a third limiting plate is fixedly arranged on one side of the supporting frame, one side of the third limiting plate is fixedly connected with the inner side of the vertical plate, two exhaust holes are formed in the top of the shell, a second baffle is fixedly arranged on the top of the second connecting plate, the third limiting plate penetrates through the second baffle, and a third dust prevention net is fixedly arranged on one side wall of the shell.
Preferably, the bottom of the first round rod is provided with a second round rod, two sides of the second round rod are respectively connected with one side wall of the inner cavity of the shell and the inner side of the vertical plate through bearings, a first belt pulley is fixedly arranged outside the first round bar, a second belt pulley is fixedly arranged outside the second round bar, a first belt is arranged between the first belt pulley and the second belt pulley, the first belt pulley is connected with the second belt pulley through the first belt, a plurality of second fan blades are fixedly arranged outside the second round bar, round grooves are respectively arranged on the supporting plate and the vertical plate, the second round bar penetrates through the two round grooves respectively, a third belt pulley is fixedly arranged outside the second rotating bar, the outside still fixed fourth belt pulley that is equipped with of second round bar, be equipped with the second belt between third belt pulley and the fourth belt pulley, the third belt pulley passes through the second belt with the fourth belt pulley and is connected.
Preferably, the supporting part includes the fixed plate, fixed plate and riser one side fixed connection, the fixed plate bottom is located to first motor is fixed, first pivot pole runs through the fixed plate and passes through the bearing with the fixed plate and be connected.
The utility model has the beneficial effects that:
1. according to the utility model, through the design of the waterproof mechanism, the device can well protect the frequency converter from water, and can ensure the normal heat dissipation of the frequency converter on the basis, so that the working stability and safety of the frequency converter are improved, the frequency converter can be continuously protected from water, and the situation that the traditional frequency converter is seriously contacted with external moisture in the using process to cause short circuit and cause unnecessary economic loss to a user is effectively avoided;
2. according to the utility model, through simple mechanism design, the device can ensure the heat dissipation of the frequency converter and simultaneously can perform good waterproof protection on the frequency converter, and excessive parts are not added while the functions are realized, so that the device is beneficial to production and manufacturing, simultaneously reasonably controls the manufacturing cost, and is suitable for popularization and use.
Drawings
FIG. 1 is a perspective view provided by the present invention;
FIG. 2 is a schematic view of the overall structure provided by the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;
FIG. 4 is a structural view of embodiment 2 provided by the present invention;
in the figure: the fan comprises a shell 1, a fan body 2, a frequency converter body 3, a protective frame 4, a first motor 5, a first rotating rod 6, an auxiliary frame 7, a first reciprocating screw rod 8, a first bearing seat 9, a 10L-shaped plate, a support plate 11, a motor frame 12, a box body 13, a second rotating rod 14, a first dustproof net 15, a second reciprocating screw rod 16, a second bearing seat 17, a first baffle 18, a first gear 19, a second dustproof net 20, a long plate 21, a hole groove 22, water absorbing cloth 23, a rectangular plate 24, a rack plate 25, an auxiliary gear 26, a heating block 27, a second motor 28, a first round rod 29, a third reciprocating screw rod 30, a second baffle 31, a second round rod 32 and a fixing plate 33.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Embodiment 1, referring to fig. 1 to 3, the waterproof device for the variable frequency fan provided by the utility model comprises a housing 1, wherein a fan body 2 is fixedly arranged on one side of the housing 1, a frequency converter body 3 is fixedly arranged on the top of the housing 1, a protective frame 4 is further arranged on the top of the housing 1, the frequency converter body 3 is arranged inside the protective frame 4, a waterproof mechanism is arranged inside the housing 1, and the waterproof mechanism extends out of the housing 1;
the waterproof mechanism comprises a first motor 5, the first motor 5 is fixedly connected with a first rotating rod 6 through an output shaft, the top of the shell 1 is further fixedly provided with an auxiliary frame 7, the auxiliary frame 7 is fixedly arranged on one side of the protective frame 4, the top of the first rotating rod 6 is provided with a first reciprocating screw 8, the first reciprocating screw 8 is connected with the first rotating rod 6 through a one-way bearing, the first reciprocating screw 8 penetrates through the top of the shell 1 and is connected with the shell 1 through a bearing, a first bearing seat 9 is sleeved outside the first reciprocating screw 8, the first bearing seat 9 is connected with the first reciprocating screw 8 through a ball nut pair, an L-shaped plate 10 is fixedly arranged on one side of the first bearing seat 9, a supporting plate 11 is fixedly arranged at the bottom of an inner cavity of the shell 1, and the first motor 5 is fixedly arranged on the top of the supporting plate 11;
the waterproof mechanism further comprises a supporting part, the supporting part comprises a motor frame 12, the motor frame 12 is fixedly arranged at the top of the supporting plate 11, the first motor 5 is fixedly arranged inside the motor frame 12, and the first rotating rod 6 penetrates through the top of the motor frame 12 and is connected with the motor frame 12 through a bearing;
further, a box body 13 is fixedly arranged on one side of the shell body 1, a second rotating rod 14 is arranged inside the box body 13, two sides of the second rotating rod 14 are respectively connected with one side of the shell body 1 and one side wall of an inner cavity of the box body 13 through bearings, a plurality of first fan blades are fixedly arranged outside the second rotating rod 14, an air inlet is formed in one side of the shell body 1, two air outlets are formed in the other side of the shell body 1, two first dust screens 15 are fixedly arranged on one side wall of the box body 13, and the second rotating rod 14 drives the first fan blades to rotate;
furthermore, a second reciprocating screw rod 16 is arranged at the top of the supporting plate 11, the second reciprocating screw rod 16 penetrates through the top of the shell 1 and is connected with the shell 1 through a bearing, a transverse plate is fixedly arranged inside the protective frame 4, the top and the bottom of the second reciprocating screw rod 16 are respectively connected with the bottom of the transverse plate and the supporting plate 11 through bearings, a second bearing seat 17 is sleeved outside the second reciprocating screw rod 16, the second bearing seat 17 is connected with the second reciprocating screw rod 16 through a ball nut pair, a first limiting plate is fixedly arranged at the top of the shell 1, the top of the first limiting plate is fixedly connected with the top of an inner cavity of the protective frame 4, and the second reciprocating screw rod 16 drives the second bearing seat 17 to move;
further, the fixed first connecting plate that is equipped with in second bearing frame 17 one side, income wind gap one side is equipped with first baffle 18, first limiting plate runs through first baffle 18, 18 one side of first baffle and first connecting plate one side fixed connection, 6 outsides of first rotation pole are equipped with first gear 19, first gear 19 passes through one-way bearing with first rotation pole 6 and is connected, 16 external fixation of reciprocal lead screw of second is equipped with the second gear, first gear 19 one side is located to the second gear, the second gear meshes with first gear 19 mutually. The second gear drives the second reciprocating screw rod 16 to rotate;
furthermore, a second dust screen 20 is fixedly arranged on one side wall of the auxiliary frame 7, a long plate 21 is fixedly arranged inside the auxiliary frame 7, a movable groove is formed in the long plate 21, the top of the first reciprocating screw rod 8 is connected with the bottom of the long plate 21 through a bearing, a partition plate is fixedly arranged at the top of the long plate 21, a hole groove 22 is formed in the partition plate, frame bodies are respectively arranged on one sides of the first dust screen 15 and the hole groove 22, water absorbing cloth 23 is fixedly arranged inside the two frame bodies, two second limiting plates are fixedly arranged inside the auxiliary frame 7, two rectangular plates 24 are respectively fixedly arranged on one side of the two auxiliary frames 7, two bottom plates are arranged inside the auxiliary frame 7, one side of the two rectangular plates 24 is fixedly connected with one of the bottom plates, a connecting plate is fixedly arranged on one side of the other bottom plate, and the connecting plate is fixedly connected with one side of one of the frame bodies, the two second limiting plates respectively penetrate through the two rectangular plates 24 and one bottom plate, one side of the L-shaped plate 10 is fixedly connected with one side of one rectangular plate 24, one second limiting plate penetrates through the L-shaped plate 10, and the water absorption cloth 23 can absorb moisture and can also circulate air due to gaps among the cloth materials;
furthermore, rack plates 25 are fixedly arranged on one side of each of the two bottom plates, racks are fixedly arranged on one side of each of the two rack plates 25, an auxiliary rod is arranged inside the auxiliary frame 7, the auxiliary rod is connected with the auxiliary frame 7 of the shell 1 through a bearing, an auxiliary gear 26 is fixedly arranged outside the auxiliary rod, the two racks are respectively arranged on two sides of the auxiliary gear 26, the two racks are respectively meshed with the auxiliary gear 26, two heating blocks 27 are fixedly arranged on the rear side wall of the inner cavity of the auxiliary frame 7, the two heating blocks 27 are respectively fixedly arranged on the rear sides of the two frame bodies, and the heating blocks 27 heat and dry the water absorption cloth 23;
further, a second motor 28 is further arranged inside the shell 1, a supporting frame is fixedly arranged on one side wall of an inner cavity of the shell 1, the second motor 28 is fixedly arranged inside the supporting frame, the second motor 28 is fixedly connected with a first round bar 29 through an output shaft, a third reciprocating screw rod 30 is arranged on one side of the first round bar 29, the third reciprocating screw rod 30 is connected with the first round bar 29 through a one-way bearing, a vertical plate is fixedly arranged inside the shell 1, one side of the third reciprocating screw rod 30 is connected with one side of the vertical plate through a bearing, a third bearing seat is sleeved outside the third reciprocating screw rod 30, the third bearing seat is connected with the third reciprocating screw rod 30 through a ball nut pair, a second connecting plate is fixedly arranged at the top of the third bearing seat, and the third reciprocating screw rod 30 drives the third bearing seat to move;
furthermore, a third limiting plate is fixedly arranged on one side of the supporting frame, one side of the third limiting plate is fixedly connected with the inner side of the vertical plate, two exhaust holes are formed in the top of the shell 1, a second baffle plate 31 is fixedly arranged on the top of the second connecting plate, the third limiting plate penetrates through the second baffle plate 31, a third dust-proof net is fixedly arranged on one side wall of the shell 1, and the vertical plate can enable water vapor generated by drying to be exhausted through the third dust-proof net;
further, a second round bar 32 is arranged at the bottom of the first round bar 29, two sides of the second round bar 32 are respectively connected with a side wall of an inner cavity of the shell 1 and the inner side of the vertical plate through bearings, a first belt pulley is fixedly arranged outside the first round bar 29, a second belt pulley is fixedly arranged outside the second round bar 32, a first belt is arranged between the first belt pulley and the second belt pulley, the first belt pulley is connected with the second belt pulley through the first belt, a plurality of second fan blades are fixedly arranged outside the second round bar 32, circular grooves are respectively formed in the support plate 11 and the vertical plate, the second round bar 32 respectively penetrates through the two circular grooves, a third belt pulley is fixedly arranged outside the second rotary bar 14, a fourth belt pulley is fixedly arranged outside the second round bar 32, a second belt is arranged between the third belt pulley and the fourth belt pulley, the third belt pulley is connected with the fourth belt pulley through the second belt, the first round bar 29 drives the first pulley to rotate.
The using process of the utility model is as follows: when the device is used, firstly, the device is switched on an external power supply, the first reciprocating screw rod 8 is connected with the first rotating rod 6 and the first gear 19 through the one-way bearing, so when the first motor 5 rotates forwards, the first rotating rod 6 drives the first reciprocating screw rod 8 to rotate, at the same time, the first gear 19 does not rotate, when the motor rotates backwards, the first rotating rod 6 drives the first gear 19 to rotate, at the same time, the first reciprocating screw rod 8 does not rotate, because the third reciprocating screw rod 30 is connected with the first round rod 29 through the one-way bearing, when the second motor 28 rotates forwards, the first round rod 29 drives the third reciprocating screw rod 30 to rotate, when the second motor 28 rotates backwards, the third reciprocating screw rod 30 does not rotate, when the device works, the second motor 28 works to drive the first round rod 29 to rotate, the first round rod 29 drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the first belt, the second belt pulley drives the second round rod 32 to rotate, the second round rod 32 drives the plurality of second fan blades to rotate, meanwhile, the second round rod 32 also drives the fourth belt pulley to rotate, the fourth belt pulley drives the third belt pulley to rotate through the second belt, the third belt pulley drives the second rotating rod 14 to rotate, the second rotating rod 14 drives the plurality of first fan blades to rotate, the two water-absorbing cloths 23 can respectively absorb moisture in the air passing through the first dust-proof net 15 and the hole grooves 22, when the moisture absorbed by one water-absorbing cloth 23 is about to reach saturation, the first motor 5 starts to rotate reversely, the first motor 5 works to drive the first rotating rod 6 to rotate, the first rotating rod 6 drives the first gear 19 to rotate, the first gear 19 drives the second gear to rotate, the second gear drives the second reciprocating screw rod 16 to rotate, the second reciprocating screw rod 16 drives the second bearing seat 17 to move upwards, the second bearing seat 17 drives the first connecting plate to move, the first connecting plate drives the first baffle plate 18 to move to shield the air inlet, simultaneously the second motor 28 starts to rotate in a forward direction, the second motor 28 drives the first round rod 29 to rotate, the first round rod 29 drives the third reciprocating screw rod 30 to rotate, the third reciprocating screw rod 30 drives the third bearing seat to move, the third bearing seat drives the second connecting plate to move, the second connecting plate drives the second baffle plate 31 to move, the second baffle plate 31 moves to not shield the two exhaust holes, then the first motor 5 starts to rotate in the forward direction, the first rotating rod 6 drives the first reciprocating screw rod 8 to rotate, the first reciprocating screw rod 8 drives the first bearing seat 9 to move, the first bearing seat 9 drives the L-shaped plate 10 to move, the L-shaped plate 10 drives one of the rectangular plates 24 to move, one of the rectangular plates 24 drives one of the frame bodies to move, the frame bodies drive the connecting plate to move, the connecting plate drives one of the bottom plates to move, the bottom plate drives one of them rack board 25 and removes, rack board 25 drives the rack and removes, the rack drives auxiliary gear 26 and rotates, auxiliary gear 26 drives another rack and removes to opposite direction, then adsorb the cloth 23 that absorbs water of moisture content and remove to the bottom, the moisture content of heating block 27 circular telegram with inside is dried, the vapor that the stoving produced rotates through the second flabellum and produces suction and discharges through the third dust screen at last, after the stoving completion, then repeat above step, it no longer sheltered from to go into the wind gap promptly, two exhaust holes are sheltered from, first flabellum rotates and produces suction this moment, make the air current pass through the entering of second dust screen 20, first dust screen 15 discharges, the realization is to the heat dissipation of converter body 3.
Embodiment 2, referring to fig. 4, the waterproof device for the variable frequency fan provided by the utility model includes a fixing plate 33, the fixing plate 33 is fixedly connected with one side of a vertical plate, the first motor 5 is fixedly arranged at the bottom of the fixing plate 33, and the first rotating rod 6 penetrates through the fixing plate 33 and is connected with the fixing plate 33 through a bearing.
The using process of the utility model is as follows: when the device is used, firstly, the device is switched on an external power supply, the first reciprocating screw rod 8 is connected with the first rotating rod 6 and the first gear 19 through the one-way bearing, so when the first motor 5 rotates forwards, the first rotating rod 6 drives the first reciprocating screw rod 8 to rotate, at the same time, the first gear 19 does not rotate, when the motor rotates backwards, the first rotating rod 6 drives the first gear 19 to rotate, at the same time, the first reciprocating screw rod 8 does not rotate, because the third reciprocating screw rod 30 is connected with the first round rod 29 through the one-way bearing, when the second motor 28 rotates forwards, the first round rod 29 drives the third reciprocating screw rod 30 to rotate, when the second motor 28 rotates backwards, the third reciprocating screw rod 30 does not rotate, when the device works, the second motor 28 works to drive the first round rod 29 to rotate, the first round rod 29 drives the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the first belt, the second belt pulley drives second round bar 32 and rotates, second round bar 32 drives a plurality of second flabellums and rotates, second round bar 32 still drives the fourth belt pulley simultaneously and rotates, the fourth belt pulley drives the third belt pulley through the second belt and rotates, the third belt pulley drives second dwang 14 and rotates, second dwang 14 drives a plurality of first flabellums and rotates, at first motor 5 during operation, fixed plate 33 can provide spacing support for the motor well, make first motor 5 obtain a stable complete operational environment.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.