CN209759851U - Condenser structure of rotary bulging clothes dryer - Google Patents

Abstract

The utility model discloses a rotatory bulging dryer condenser structure and technology, and processing has the hole that supplies aluminum flat tube to penetrate on the fin, aluminum flat tube inner chamber is equipped with the strengthening rib, and has the passageway that supplies the mandril that expands to penetrate in the aluminum tube inner chamber, and the processing of mandril side face that expands has the opening, and the processing has the broach groove on the assembly base, the fin card advances to be the row form in the broach groove, and aluminum flat tube one end penetrates in proper order along every fin hole and establishes ties the fin rotatory 90 degrees after, and one side opening on the mandril that expands after rotatory 90 just touches with the aluminum flat tube top surface, leads to aluminum flat tube outside to warp, and the mandril that expands after tight with the fin continues to rotate 90 and extracts from the aluminum flat tube after. The cold air channel of the condenser of the clothes dryer consists of a plurality of finned tubes, the finned tubes are formed by rotary bulging processing, the rotary bulging is convenient and fast, the processing efficiency is high, the fins are in close contact with the aluminum flat tubes, and the heat exchange efficiency is high.

Description

Condenser structure of rotary bulging clothes dryer

Technical Field

The utility model relates to a clothes dryer condenser, in particular to use on household electrical appliances clothes dryer condenser.

Background

At present, when water vapor generated during clothes drying passes through a condenser, the water vapor is cooled and condensed into liquid water when passing through the condenser, and the liquid water is discharged out of the clothes dryer.

The existing dryer condenser in the industry is formed by bending aluminum plates into a tubular shape to form a cold air channel, and a plurality of aluminum plates are bent into tubular channels and supported by fins to form a water vapor channel. A layer of vulcanized film is arranged between the fins of the tubular passage to bond the pipe and the fins together.

The aluminum plate is bent into a tubular shape, a formed channel is formed, the aluminum plate is bent into a pipeline shape, the wall of the channel is provided with an interface, the interface is not sealed tightly enough and is easy to leak, and water vapor can enter a cold air channel frequently to cause the occurrence of the fault that partial condensed water flows out of a non-drainage channel.

When the condenser is produced, the long-side part has larger span because of the channel formed by bending the aluminum plate, and is easy to be pressed and deformed by the fins. Before vulcanization bonding, a wood plate needs to be inserted into each tubular passage for supporting, and after bonding and curing, each wood plate needs to be taken out, so that the processing is complex, and the production efficiency is low.

The aluminum plate is easy to deform when being bent into a tubular shape and has high rejection rate.

The flat aluminum tubes and the wavy fins are bonded by a heat-conducting glue film, and the flat aluminum tubes and the wavy fins are isolated by the heat-conducting glue film, so that the heat resistance is high, the heat exchange efficiency is low, and the processing efficiency is low.

Disclosure of Invention

The utility model aims to provide a rotary bulging clothes dryer condenser structure and process which have smooth condensed water drainage and large heat exchange area.

The utility model discloses a task is accomplished like this, its characterized in that: and the processing has the hole that supplies aluminum flat tube to penetrate on the fin, the aluminum flat tube inner chamber is equipped with the strengthening rib, and has the passageway that supplies the mandril that expands to penetrate in the aluminum tube inner chamber, and the mandril side processing that expands has the opening, and the processing has the broach groove on the assembly base, the fin card is arranged in advancing the broach groove and is described, and rotatory 90 degrees after the fin series connection is penetrated in proper order along every fin hole to aluminum flat tube one end, and the epaxial one side opening of the mandril that expands after rotatory 90 degrees just touches with the aluminum flat tube top surface, leads to aluminum flat tube outwards to warp, and aluminum flat tube and fin expand and pull out from aluminum flat tube after the mandril that expands and continues to rotate 90. The aperture processed on the fin is based on the width of the aluminum flat tube. The side surface of the aluminum flat tube is arc-shaped, the length of the reinforcing rib is equal to that of the aluminum flat tube, at least one reinforcing rib is arranged, and a channel for the expansion shaft to freely penetrate is reserved between the two reinforcing ribs. Gaps are reserved between the comb tooth grooves and the adjacent comb tooth grooves. The contact position of the aluminum flat tube and the fin is concave downwards, so that the fin is clamped and not misplaced.

The utility model discloses having following effect, 1, dryer condenser cold wind passageway comprises many finned tubes, and the finned tube is formed by rotatory bulging processing, and rotatory bulging convenient and fast, machining efficiency is high, fin and aluminum flat tube in close contact with, and heat exchange efficiency is high.

2. The finned tube consists of aluminum flat tubes with reinforcing ribs inside, has the advantage of no interface on the tube wall, and cannot generate leakage.

3. The aluminum flat tube is internally provided with the reinforcing ribs, the strength is good, the aluminum flat tube is not required to be supported by a wood plate during production, the fins are expanded by the flat tube, the processing is simple, and the production efficiency is high.

4. The side surface of the flat aluminum pipe is arc-shaped, so that the wind resistance is small; the heat dissipation area of the plurality of aluminum flat tubes is large, the overall heat exchange performance is improved, and the condensation liquefaction effect of the water vapor is improved.

5. The fins are not in a wave shape, but are vertical up and down, so that condensed water is smoothly drained, and the heat dissipation effect is good.

Drawings

FIG. 1 is a schematic structural view of an aluminum flat tube; FIG. 2 is a schematic view of a fin structure; FIG. 3 is a schematic view of the assembled structure of the aluminum sheet tube and the fin of FIG. 1; FIG. 4 is a schematic view of a comb-shaped structure machined when fins are assembled, and FIG. 5 is a schematic view of an expansion shaft structure; FIG. 6 is a schematic structural view of a fin, an aluminum flat tube and an expansion shaft; FIG. 7 is a main view of the clothes dryer; FIG. 8 is a side view of the dryer; fig. 9 is a perspective view of the dryer.

Description of the drawings: 1. aluminum flat tube, 2, strengthening rib, 3, fin, 5, assembly base, 6, broach draw-in groove, 7, bloated mandril, 8, opening, 9, dry cleaner condenser.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The concrete embodiment is as shown in the figure, dry cleaner condenser structure includes the fin, and the processing has the hole that supplies aluminum flat tube to penetrate on the fin 3, 1 inner chamber of aluminum flat tube is equipped with strengthening rib 2, and has the passageway that supplies the mandril that expands to penetrate in the aluminum pipe inner chamber, and the processing of a mandril side of expanding has opening 8, and the processing has broach groove 6 on the assembly base 5, the fin card advances to be arranged in the broach groove, and aluminum flat tube one end is rotatory 90 degrees after penetrating the fin series connection along every fin hole in proper order, and the epaxial one side opening 8 of the mandril that expands after rotatory 90 just touches with the aluminum flat tube top surface, leads to aluminum flat tube outwards to warp, and the mandril that expands after aluminum flat tube and the fin tightly continues to rotate 90 and extract from aluminum flat tube after.

The fin is rectangular as shown in fig. 2, and the aperture machined on the fin is based on the width of the aluminum flat tube.

The processing of flat aluminum tube inner chamber has the strengthening rib as shown in figure 1, and flat aluminum tube side shape is the circular arc type, and the length of strengthening rib 2 equals with flat aluminum tube length, and the strengthening rib is at least one, and preferred two are left in this technical scheme, and the passageway that supplies bloated mandril 7 to freely penetrate is left in the middle of two strengthening ribs.

The assembly base 5 is as shown in fig. 4, the comb tooth grooves are processed on the assembly base 5, the depth of the comb tooth grooves 6 is based on the short edges of the fins 3, and gaps are reserved between the comb tooth grooves and the adjacent comb tooth grooves, so that liquid water condensed on the fins can flow out conveniently.

The shape of the expansion shaft is oval as shown in fig. 5, the number of the comb tooth grooves processed on the expansion shaft and the number of the comb tooth grooves processed on the assembly base are equal, the expansion shaft penetrates into the aluminum flat tube and rotates for 90 degrees to be in contact with the upper top surface of the inner cavity of the aluminum flat tube to apply pressure to force the aluminum flat tube to deform, and the contact position of the aluminum flat tube and the fin is concave, so that the fin is clamped and not misplaced.

During assembly, the fins are firstly placed into the comb teeth 2, the fins are placed in the comb tooth clamping grooves of the assembly base one by one, the fins are placed in order through the comb tooth clamping grooves, due to the fixing and positioning effects of the comb tooth clamping grooves, holes in the fins are kept on a straight line, the flat tubes are easily penetrated into the aligned fins, the rotary expansion shafts are penetrated into the aluminum flat tubes, openings in the rotary expansion shafts are aligned to the fin positions, the rotary expansion shafts are rotated for 90 degrees, the flat tubes are outwards deformed by the oval long shafts of the rotary expansion shafts, the fins on the aluminum tubes are expanded after the flat tubes are deformed, the lower concave expansion shafts are rotated for 90 degrees, and after the rotary expansion shafts are withdrawn, the fins are positioned at the fin positions when the aluminum flat tubes are outwards deformed due to the openings in the rotary expansion shafts, and are used for fixing the intervals of the fins. The dryer condenser 9 of fig. 7-8 can be assembled from a plurality of finned tubes and end plates.

As shown in fig. 9, the cold air enters from one end of the plurality of finned tubes and exits from the other end of the plurality of finned tubes, and absorbs heat through the inner walls of the aluminum flat tubes. The water vapor passes through the finned tubes on one side of the condenser, is condensed into liquid water through the outer walls of the aluminum flat tubes and the fins, flows down from the fins and flows out from the other side of the condenser after the temperature of the water vapor is reduced.

In order to reduce the interface of the aluminum plate bending channel and reduce the leakage risk, the channel adopts an aluminum flat tube, the aluminum flat tube is formed by aluminum extrusion, and a reinforcing rib is arranged in the aluminum flat tube. The aluminum flat tube is not only not easy to leak and has high strength, but also has larger heat dissipation area than the channel of bending the aluminum plate, and has high heat exchange efficiency. The fins are formed by expanding the fins on the aluminum flat tubes, and the aluminum flat tubes are provided with concave positions for fixing the spacing of the fins. The fin is bloated tightly together with the aluminum flat tube, and heat conduction glued membrane keeps apart before with and compares, has the contact inseparable, advantage that the heat transfer is effectual. The fins are in a vertical state, and compared with the former wave belt form, the fins are favorable for smoothly discharging condensed water in a flowing-down manner.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected, and may communicate between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims (5)

1. The utility model provides a rotatory bulging dryer condenser structure which characterized in that: and the processing has the hole that supplies aluminum flat tube to penetrate on the fin, the aluminum flat tube inner chamber is equipped with the strengthening rib, and has the passageway that supplies the mandril that expands to penetrate in the aluminum tube inner chamber, and the mandril side processing that expands has the opening, and the processing has the broach groove on the assembly base, the fin card is arranged in advancing the broach groove and is described, and rotatory 90 degrees after the fin series connection is penetrated in proper order along every fin hole to aluminum flat tube one end, and the epaxial one side opening of the mandril that expands after rotatory 90 degrees just touches with the aluminum flat tube top surface, leads to aluminum flat tube outwards to warp, and aluminum flat tube and fin expand and pull out from aluminum flat tube after the mandril that expands and continues to rotate 90.

2. The condenser structure of a rotary expanding dryer according to claim 1, wherein: the aperture processed on the fin is based on the width of the aluminum flat tube.

3. The condenser structure of a rotary expanding dryer according to claim 1, wherein: the side surface of the aluminum flat tube is arc-shaped, the length of the reinforcing rib is equal to that of the aluminum flat tube, at least one reinforcing rib is arranged, and a channel for the expansion shaft to freely penetrate is reserved between the two reinforcing ribs.

4. The condenser structure of a rotary expanding dryer according to claim 1, wherein: gaps are reserved between the comb tooth grooves and the adjacent comb tooth grooves.

5. The condenser structure of a rotary expanding dryer according to claim 1, wherein: the contact position of the aluminum flat tube and the fin is concave downwards, so that the fin is clamped and not misplaced.