CN210441384U

CN210441384U - Heating and refrigerating small fan

Info

Publication number: CN210441384U
Application number: CN201921410521.9U
Authority: CN
Inventors: 黄小勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-01
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a little fan of heating refrigeration, the on-line screen storage device comprises a base, the lower extreme of base is equipped with running gear, the upside of base is equipped with the fixed plate, the base upper end is equipped with the adjustment mechanism who adjusts the fixed plate, be equipped with the cavity in the fixed plate, fixedly connected with electron refrigeration piece in the cavity, fixedly connected with fin and the cooling fin that looses are distinguished to the left and right sides of fixed plate, the equal fixedly connected with fan backshell of one end that fin and cooling fin kept away from each other, two all install the fan in the fan backshell, the fan backshell outside can be dismantled and be connected with the fan front shell. The utility model discloses an electron refrigeration technology need not to add the snow kind (freon) also can reach the refrigeration effect, just even can blow off 17 degrees cold wind about 20 degrees under the 35 degrees environment, can blow off hot-blast about 50 degrees winter otherwise.

Description

Heating and refrigerating small fan

Technical Field

The utility model relates to a little fan heating refrigeration technical field especially relates to a little fan of heating refrigeration.

Background

An electric fan, also called fan and fanner, is a household electrical appliance which uses an electric motor to drive fan blades to rotate so as to accelerate the circulation of air, and is mainly used for cooling and relieving summer heat and circulating air. The product is widely used in places such as families, classrooms, offices, shops, hospitals, hotels and the like.

At present, the conventional portable small fan cannot meet the requirement of people in a high-temperature environment of more than 30 ℃ in summer, for example: when the temperature is higher than 35 ℃ in summer, the air blown out by the fan is very hot even if the fan is used, and the effect is not ideal.

To this end, we propose a small heating and cooling fan to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a small heating and refrigerating fan.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a little fan of heating refrigeration, includes the base, the lower extreme of base is equipped with running gear, the upside of base is equipped with the fixed plate, the base upper end is equipped with the adjustment mechanism who adjusts the fixed plate, be equipped with the cavity in the fixed plate, fixedly connected with electronic refrigeration piece in the cavity, the left and right sides difference fixedly connected with fin and the cold piece that looses of fixed plate, the equal fixedly connected with fan backshell of one end that fin and cold piece kept away from each other, two all install the fan in the fan backshell, the shell before the fan backshell outside can be dismantled and be connected with the fan.

Preferably, running gear is including setting up the recess in the lower extreme four corners of base, four all rotate in the recess and be connected with the axis of rotation, four equal coaxial fixedly connected with walking wheel in the axis of rotation.

Preferably, adjustment mechanism include with fixed plate lower extreme fixed connection's backup pad, the left and right sides of backup pad all is equipped with screw hole and spacing hole, the last lateral wall of base rotates and is connected with two threaded rods, two gag lever posts of fixedly connected with between the lateral wall of base is located two threaded rods, two the threaded rod respectively with two screw hole threaded connection, two the gag lever post runs through two spacing hole settings respectively, two carry out the transmission through the driving medium between the threaded rod and connect.

Preferably, the driving medium includes first belt pulley and second belt pulley, first belt pulley and the coaxial fixed connection of right side threaded rod, second belt pulley and the coaxial fixed connection of left side threaded rod, be connected through the driving belt transmission between first belt pulley and the second belt pulley.

Preferably, three movable rods are connected to the side wall of the front fan shell in a sliding mode, three clamping blocks are fixedly connected to one ends, far away from the front fan shell, of the movable rods, and three clamping grooves matched with the three clamping blocks are formed in the side wall of the rear fan shell.

Preferably, be equipped with three spout on the fan front shell, it is three all be equipped with assorted slider with it in the spout, three slider respectively with three movable rod fixed connection, three all be equipped with the spring in the spout, the both ends of spring respectively with the bottom fixed connection of slider and spout.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an electron refrigeration technology need not to add the snow kind (freon) also can reach the refrigeration effect, just even can blow off 17 degrees cold wind about 20 degrees under the 35 degrees environment, can blow off hot-blast about 50 degrees winter otherwise.

Drawings

Fig. 1 is a perspective view of a small heating and cooling fan according to the present invention;

fig. 2 is a schematic structural view of a rear casing of a small heating and cooling fan according to the present invention;

fig. 3 is a schematic structural diagram of a front casing of a small heating and cooling fan according to the present invention;

fig. 4 is the internal circuit diagram of the electronic refrigeration sheet of the small heating and refrigerating fan provided by the present invention.

In the figure: the cooling device comprises a base 1, a traveling mechanism 2, a fixing plate 3, an adjusting mechanism 4, a cavity 5, an electronic refrigerating sheet 6, a radiating fin 7, a radiating sheet 8, a fan rear shell 9, a fan 10, a fan front shell 11, a rotating shaft 12, a supporting plate 13, a threaded rod 14, a limiting rod 15, a first belt pulley 16, a second belt pulley 17, a movable rod 18, a clamping block 19, a spring 20 and a transmission part 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a heating and refrigerating small fan, including base 1, base 1's lower extreme is equipped with running gear 2, specifically, running gear 2 is including setting up the recess in base 1's lower extreme four corners, all rotate in four recesses and be connected with axis of rotation 12, equal coaxial fixedly connected with walking wheel on four axis of rotation 12, base 1's upside is equipped with fixed plate 3, base 1 upper end is equipped with adjustment mechanism 4 that adjusts fixed plate 3, it should be said, adjustment mechanism 4 includes 3 lower extreme fixed connection's of fixed plate backup pad 13, the left and right sides of backup pad 13 all is equipped with screw hole and spacing hole, base 1's last lateral wall rotates and is connected with two threaded rods 14, the coaxial fixedly connected with runner in upper end of right side threaded rod 14.

In the utility model, two limit rods 15 are fixedly connected between two threaded rods 14 on the upper side wall of the base 1, the two threaded rods 14 are respectively in threaded connection with two threaded holes, the two limit rods 15 are respectively arranged by penetrating through the two limit holes, the rotating wheel is rotated to drive the right threaded rod 14 to rotate, the right threaded rod 14 drives the first belt pulley 16 to rotate, the first belt pulley 16 drives the second belt pulley 17 to rotate through the transmission belt, the second belt pulley 17 drives the left threaded rod 14 to rotate, the two threaded rods 14 drive the support plate 13 to move, thereby achieving the effect of adjusting the height, the two threaded rods 14 are in transmission connection through the transmission part 21, it is noted that the transmission part 21 comprises the first belt pulley 16 and the second belt pulley 17, the first belt pulley 16 is coaxially and fixedly connected with the right threaded rod 14, the second belt pulley 17 is coaxially and fixedly connected with the left threaded rod 14, the first belt pulley 16 is in transmission connection with the second belt pulley 17 through a transmission belt.

The utility model discloses in, be equipped with cavity 5 in the fixed plate 3, the left and right sides of cavity 5 all is equipped with a plurality of through-holes, and fixedly connected with electron refrigeration piece 6, specific, the electron refrigeration technique in the cavity 5: in a thermoelectric-based refrigeration method, charge carriers move in a conductor to form a current, and since the charge carriers are at different energy levels in different materials, they release excess heat when moving from a high level to a low level. On the contrary, heat is required to be absorbed from the outside (namely, the heat is expressed as refrigeration), the left side and the right side of the fixed plate 3 are respectively and fixedly connected with a radiating fin 7 and a radiating fin 8, the ends, far away from each other, of the radiating fin 7 and the radiating fin 8 are respectively and fixedly connected with a fan rear shell 9, fans 10 are respectively installed in the two fan rear shells 9, the outer side of the fan rear shell 9 is detachably connected with a fan front shell 11, significantly, three movable rods 18 are slidably connected on the side wall of the fan front shell 11, it is noted that three sliding grooves are arranged on the fan front shell 11, sliding blocks matched with the three sliding grooves are respectively arranged in the three sliding grooves, the three sliding blocks are respectively and fixedly connected with the three movable rods 18, springs 20 are respectively arranged in the three sliding grooves, the two ends of the springs 20 are respectively and fixedly connected with the bottoms of the sliding blocks and the sliding grooves, the ends, far away from the fan front shell 11, of the three movable rods 18, shell 11 can dismantle the connection before the fan, and the restoring force through spring 20 can carry out the card and advance, does not have direct pulling fan during the dismantlement shell 11 can accomplish the dismantlement before the fan, compares traditional screw fixation, easy operation.

The utility model discloses the theory of operation: when the electronic refrigerating sheet is electrified, the PN pole starts to generate charges to move, the cold surface starts to refrigerate according to the schematic diagram, the hot surface starts to heat, the cold surface starts to cool and transmits to the cold dissipating sheet, and then cold air is blown out through the fan. The heat-generating surface starts to transfer heat to the radiating fins, and then hot air is blown out through the fan. The ideal temperature difference between the two ends is about 50 ℃. On the contrary, when the anode and the cathode of the power supply are reversely electrified, the cold surface is changed into the hot surface, and the hot surface is changed into the cold surface to realize the alternate conversion of hot air and cold air.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a little fan of heating refrigeration, includes base (1), its characterized in that, the lower extreme of base (1) is equipped with running gear (2), the upside of base (1) is equipped with fixed plate (3), base (1) upper end is equipped with adjustment mechanism (4) of adjusting fixed plate (3), be equipped with cavity (5) in fixed plate (3), fixedly connected with electron refrigeration piece (6) in cavity (5), the left and right sides difference fixedly connected with fin (7) of fixed plate (3) and cold piece (8) loose, equal fixedly connected with fan backshell (9) of one end that fin (7) and cold piece (8) that looses kept away from each other, two all install fan (10) in fan backshell (9), fan backshell (9) outside can be dismantled and be connected with preceding shell of fan (11).

2. The small heating and cooling fan as claimed in claim 1, wherein the traveling mechanism (2) comprises grooves arranged at four corners of the lower end of the base (1), four grooves are rotatably connected with rotating shafts (12), and traveling wheels are coaxially and fixedly connected on the four rotating shafts (12).

3. The small heating and cooling fan as claimed in claim 1, wherein the adjusting mechanism (4) comprises a supporting plate (13) fixedly connected with the lower end of the fixing plate (3), the left side and the right side of the supporting plate (13) are provided with threaded holes and limiting holes, the upper side wall of the base (1) is rotatably connected with two threaded rods (14), the upper side wall of the base (1) is positioned between the two threaded rods (14) and is fixedly connected with two limiting rods (15), the two threaded rods (14) are respectively in threaded connection with the two threaded holes, the two limiting rods (15) are respectively arranged through the two limiting holes, and the two threaded rods (14) are in transmission connection through a transmission member (21).

4. A small heating and cooling fan as claimed in claim 3, wherein the transmission member (21) comprises a first belt pulley (16) and a second belt pulley (17), the first belt pulley (16) is coaxially and fixedly connected with the right threaded rod (14), the second belt pulley (17) is coaxially and fixedly connected with the left threaded rod (14), and the first belt pulley (16) is in transmission connection with the second belt pulley (17) through a transmission belt.

5. The small heating and cooling fan as claimed in claim 1, wherein three movable rods (18) are slidably connected to the side wall of the front fan housing (11), one ends of the three movable rods (18) far away from the front fan housing (11) are fixedly connected with clamping blocks (19), and three clamping grooves matched with the three clamping blocks (19) are formed in the side wall of the rear fan housing (9).

6. A small heating and refrigerating fan as claimed in claim 5, wherein the front fan housing (11) is provided with three sliding grooves, the three sliding grooves are provided with sliding blocks matched with the three sliding grooves, the three sliding blocks are respectively and fixedly connected with the three movable rods (18), the three sliding grooves are provided with springs (20), and two ends of each spring (20) are respectively and fixedly connected with the sliding blocks and the bottoms of the sliding grooves.