CN214095719U

CN214095719U - Mechanical defrosting device for finned heat exchanger

Info

Publication number: CN214095719U
Application number: CN202023252887.3U
Authority: CN
Inventors: 王杰; 王�忠; 秦联; 王娟云
Original assignee: Suqian Kaida Environmental Protection Equipment Manufacturing Co ltd
Current assignee: Suqian Kaida Environmental Protection Equipment Manufacturing Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-31
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a mechanical defrosting device for a fin heat exchanger, which relates to the technical field of heat exchangers and comprises a base, an outer machine and a fixed strip, wherein the upper surface of the base is fixedly connected with the outer machine, the front surface of the outer machine is provided with a fin heat exchanger body, the left side surface and the right side surface of the outer machine are both fixedly connected with the fixed strip, the front surface of the fixed strip is provided with a moving hole, a moving rod is arranged in the moving hole, and one end of the moving rod is fixedly connected with a moving plate; in this scheme, through setting up mutually supporting of moving mechanism, link gear, fixed strip and carriage release lever for when the long-time placement of finned heat exchanger body is when external operation, during the condition that frosts takes place in the surface, thereby reach more effectual defrosting effect, thereby avoid the finned heat exchanger body to knot the layer of frosting to influence the condition of outer quick-witted normal work, improved the heating performance and the life of heating ware, be favorable to people's use.

Description

Mechanical defrosting device for finned heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field, more specifically say, it relates to a mechanical defroster for fin heat exchanger.

Background

With the development of society, in order to reduce air pollution caused by heating by people in winter, the air source heat pump is widely popularized by the country, and the air source heat pump is widely applied to various families as a high-efficiency heating device.

For example, the high-efficiency energy-saving shell-and-tube fin heat exchanger (application number: CN201921223026.7) disclosed in the chinese patent document, although the high-efficiency energy-saving shell-and-tube fin heat exchanger uses the carbon fiber composite material as the material for manufacturing the tube shell, the carbon fiber composite material can withstand corrosion due to its excellent corrosion resistance, the service life is longer than that of the shell made of other metals, and the power during use is reduced, thereby reducing the influence on the shell due to different working environments and different corrosion degrees, greatly increasing the practicability, and reducing the consumption of material resources; but there is certain defect, fin heat exchanger among the prior art is when using, because need place outer machine in the external world, when fin heat exchanger surface temperature is less than external temperature and is less than 0 ℃ below zero, the condition that frosts can take place for fin heat exchanger's surface, the heat transfer thermal resistance between air and the refrigerant can be increased at fin heat exchanger's surface to frost to very big influence the heat transfer function of heat exchanger body, reduced the heating performance of heating ware, reduced fin heat exchanger's life simultaneously, be unfavorable for people's use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a mechanical defroster for fin heat exchanger, it has the characteristics of detaching external frosting layer and convenient to detach frosting device.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a mechanical defroster for fin heat exchanger, includes base, outer machine and fixed strip, the last fixed surface of base is connected with outer machine, and the front of outer machine is provided with the fin heat exchanger body, the equal fixedly connected with fixed strip of the left and right sides face of outer machine, the removal hole has been seted up in the front of fixed strip, is provided with the carriage release lever in the removal hole, and the one end fixedly connected with movable plate of carriage release lever is located the front side of outer machine, the other end of carriage release lever passes the removal hole and is provided with fixed establishment, the cavity has been seted up to the inside of movable plate, is provided with moving mechanism and two link gear in the cavity.

Through adopting above-mentioned technical scheme, set up the removal hole for the carriage release lever can be stabilized and remove in the removal hole, thereby drives the movable plate and removes, avoids taking place the condition of dislocation.

Further, moving mechanism includes the fixed plate of fixed connection at the movable plate back, and the fixed plate is located the right side of outer machine, the last fixed surface of fixed plate is connected with the motor, the first pivot of output fixedly connected with of motor, the back joint of movable plate has first axle sleeve, the other end of first pivot passes first axle sleeve and overlaps and be equipped with first bearing, and first bearing joint is in the front of cavity inner wall, the surface joint of first pivot has first drive wheel.

Through adopting above-mentioned technical scheme, set up the motor for people can be through starter motor, thereby it is rotatory to drive first pivot, and then drives first drive wheel rotatory, and under the effect of track, second drive wheel and third drive wheel can be driven rotatoryly, make the movable plate can be driven to remove, and the fan also can move simultaneously.

Furthermore, a second bearing is clamped on the front face of the inner wall of the cavity, a second rotating shaft is sleeved in the second bearing, a second shaft sleeve is clamped on the back face of the moving plate, the second shaft sleeve is located on the left side of the outer machine, the other end of the second rotating shaft penetrates through the second shaft sleeve and is fixedly connected with a limiting block, a gear and a second driving wheel are clamped on the outer surface of the second rotating shaft, the gear is located on the rear side of the second bearing, the second driving wheel is arranged in the cavity, a plurality of teeth are arranged on the left side face of the fixing strip, and the gear is meshed with the teeth.

Through adopting above-mentioned technical scheme, set up the gear, make when the second pivot is rotatory, the gear also can rotate, thereby under the effect of a plurality of teeth, the gear can drive the movable plate and reciprocate, and then reach the work that drives the brush removal, set up the second drive wheel, make the motor operation, drive first drive wheel rotatory, under the effect of track, second drive wheel and second pivot can begin to rotate, thereby it is rotatory to drive the gear.

Further, fixed establishment includes the slide bar of fixed connection at the carriage release lever other end, the other end fixedly connected with screw thread post of slide bar, and the surface threaded connection of screw thread post has the screw cap, the surface cover of slide bar is equipped with the sliding sleeve, the equal fixedly connected with stopper of the left and right sides face of sliding sleeve, and the stopper setting is at the rear side of fixed strip.

Through adopting above-mentioned technical scheme, set up the screw thread post for the screw thread cap can reciprocate at screw thread post surface, thereby is close to or keeps away from the sliding sleeve, and then reaches the work that limits or do not restrict the sliding sleeve, sets up the stopper, makes the stopper can restrict at the back of fixed strip, avoids the movable rod to take place the condition that breaks away from.

Further, link gear includes the third bearing of joint at the cavity inner wall back, and the third bearing endotheca is equipped with the third pivot, the positive joint third axle sleeve of movable plate, the other end of third pivot passes third axle sleeve and fixedly connected with fan, the surface joint of third pivot has the third drive wheel, two through-holes have all been seted up to the front and back both sides face of movable plate, the back of cavity inner wall is provided with two heating plates, and two heating plates are located the left and right sides of third bearing respectively, the back of movable plate is provided with the brush, and the brush laminating is at the surface of fin heater body, first drive wheel, second drive wheel and third drive wheel all are connected through setting up track mutual transmission.

Through adopting above-mentioned technical scheme, set up the fan for the motor operation can drive the fan when driving the movable plate and remove and rotate, thereby drive the heat and enter into the brush on, and then more effectual defrosting work sets up the heating plate, makes the heating plate can give off the heat, and under the effect of fan, the heat can enter into on the fin heat exchanger body, thereby more effectual defrosting work that carries out.

Furthermore, the left side surface and the right side surface of the inner wall of the moving hole are both provided with moving grooves, and a plurality of rolling balls are arranged in the moving grooves.

Through adopting above-mentioned technical scheme, set up the spin for the carriage release lever can be more light convenient remove in the shift gate, avoids taking place the condition of jam.

To sum up, the utility model discloses following beneficial effect has:

1. in the scheme, through the mutual matching of the moving mechanism, the linkage mechanism, the fixed strip and the moving rod, when the fin heat exchanger body is placed outside to run for a long time and frosts on the surface, people can drive the first rotating shaft to rotate by starting the motor and the heating sheet so as to drive the crawler to move and further drive the gear and the fan to rotate, the gear can drive the moving plate to move up and down on the front side of the external machine under the action of a plurality of teeth, so that the brush can defrost the fin heat exchanger body, meanwhile, the heating sheet gives off heat, under the action of the fan, the heat is driven to enter the fin heat exchanger body from the through hole, so that a more effective defrosting effect is achieved, the condition that the normal work of the external machine is influenced by a frosting layer of the fin heat exchanger body is avoided, the heating performance and the service life of the heater are improved, is beneficial to the use of people;

2. through setting up fixed establishment for when needs detect and maintain its movable plate, people can drive the screw cap through rotatory screw cap and keep away from the sliding sleeve, thereby no longer restrict the sliding sleeve, and rotatory sliding sleeve of rethread makes its two stoppers no longer restrict the rear side at the fixed strip, and people just so can dismantle the movable plate, thereby made things convenient for people to detect and maintain its work, reduced people's work load, the practicality is good.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention;

fig. 5 is an enlarged schematic structural diagram of the position B in the present invention.

In the figure:

1. a base; 2. an outdoor unit; 3. a fixing strip; 4. a fixing mechanism; 41. a limiting block; 42. a threaded post; 43. a threaded cap; 44. a sliding sleeve; 5. a moving mechanism; 51. a fixing plate; 52. a motor; 53. a first bushing; 55. a first drive pulley; 56. a first bearing; 57. a limiting block; 58. a gear; 59. a second shaft sleeve; 510. a second bearing; 512. a second transmission wheel; 513. a crawler belt; 514. teeth; 6. a linkage mechanism; 61. a third bearing; 62. a third transmission wheel; 63. a third shaft sleeve; 64. a fan; 65. a through hole; 67. a heating plate; 68. a brush; 7. moving the hole; 8. rolling a ball; 9. a travel bar; 10. moving the plate; 11. a finned heat exchanger body.

Detailed Description

The present invention will be described in further detail with reference to fig. 1 to 5.

The utility model provides a technical scheme: a mechanical defrosting device for a fin heat exchanger is shown in figures 1-5 and comprises a base 1, an outer machine 2 and a fixing strip 3, wherein the outer machine 2 is fixedly connected to the upper surface of the base 1, a fin heat exchanger body 11 is arranged on the front surface of the outer machine 2, the fixing strip 3 is fixedly connected to the left side surface and the right side surface of the outer machine 2, a moving hole 7 is formed in the front surface of the fixing strip 3, a moving rod 9 is arranged in the moving hole 7, a moving plate 10 is fixedly connected to one end of the moving rod 9, the moving plate 10 is located on the front side of the outer machine 2, the other end of the moving rod 9 penetrates through the moving hole 7 and is provided with a fixing mechanism 4, a cavity is formed in the moving plate 10, a moving mechanism 5 and two linkage mechanisms 6 are arranged in the cavity, moving grooves are; through adopting above-mentioned technical scheme for under the effect of removal hole 7 and spin 8, work that can steadily easily reciprocate is taken place to the movable plate 10, can more easily remove when avoiding taking place the dislocation and breaking away from, avoids taking place to block up and the condition that breaks away from.

As shown in fig. 1 to 5, the moving mechanism 5 includes a fixed plate 51 fixedly connected to the back of the moving plate 10, the fixed plate 51 is located at the right side of the outer unit 2, a motor 52 is fixedly connected to the upper surface of the fixed plate 51, an output end of the motor 52 is fixedly connected with a first rotating shaft, a first shaft sleeve 53 is clamped to the back of the moving plate 10, the other end of the first rotating shaft passes through the first shaft sleeve 53 and is sleeved with a first bearing 56, the first bearing 56 is clamped to the front of the inner wall of the cavity, a first driving wheel 55 is clamped to the outer surface of the first rotating shaft, a second bearing 510 is clamped to the front of the inner wall of the cavity, a second rotating shaft is sleeved in the second bearing 510, a second shaft sleeve 59 is clamped to the back of the moving plate 10, the second shaft sleeve 59 is located at the left side of the outer unit 2, the other end of the second rotating shaft passes through the second shaft sleeve 59 and is fixedly connected with a limiting block 57, a gear 58 and a second driving wheel 512 are clamped to the outer surface of the second rotating shaft, the gear 58 is located at the rear side of the second bearing 510, the second driving wheel 512 is arranged in the cavity, a plurality of teeth 514 are arranged on the left side surface of the fixed strip 3, the gear 58 is meshed with the teeth 514, the linkage mechanism 6 comprises a third bearing 61 clamped on the back surface of the inner wall of the cavity, a third rotating shaft is sleeved in the third bearing 61, the front surface of the moving plate 10 is clamped with a third shaft sleeve 63, the other end of the third rotating shaft penetrates through the third shaft sleeve 63 and is fixedly connected with a fan 64, the outer surface of the third rotating shaft is clamped with a third driving wheel 62, two through holes 65 are respectively arranged on the front side surface and the rear side surface of the moving plate 10, two heating sheets 67 are arranged on the back surface of the inner wall of the cavity, the two heating sheets 67 are respectively located on the left side and the right side surface of the third bearing 61, a brush 68 is arranged on the back surface of the moving plate 10, the brush 68 is attached to the outer surface of the fin heater body, and the first driving wheel 55, the second driving wheel 512 and the third driving wheel 62 are in transmission connection with each other through a crawler 513; through adopting above-mentioned technical scheme, make people can be through starter motor 52, it is rotatory to drive first pivot, thereby it is rotatory to drive first drive wheel 55, and then under the effect of track 513, second drive wheel 512 and third drive wheel 62 can rotate, it is rotatory to make the rotatory drive gear 58 of second pivot, under the effect of a plurality of teeth 514, movable plate 10 can be driven and reciprocate, thereby it carries out the work of defrosting to it to drive brush 68, it is rotatory to drive third pivot and fan 64 simultaneously that third drive wheel 62 is rotatory, heating plate 67 produces the heat, fan 64 blows the heat on fin heat exchanger body 11, thereby more effectual work of defrosting its fin heat exchanger body 11.

As shown in fig. 2 and 3, the fixing mechanism 4 includes a sliding rod fixedly connected to the other end of the moving rod 9, the other end of the sliding rod is fixedly connected with a threaded column 42, the outer surface of the threaded column 42 is in threaded connection with a threaded cap 43, the outer surface of the sliding rod is sleeved with a sliding sleeve 44, the left and right side surfaces of the sliding sleeve 44 are both fixedly connected with a limiting block 41, and the limiting block 41 is arranged at the rear side of the fixing strip 3; through adopting above-mentioned technical scheme for people can drive screw cap 43 and remove backward through rotatory screw cap 43, no longer restricts sliding sleeve 44, and rethread rotatory sliding sleeve 44 drives two stopper 41 rotations, thereby makes two stopper 41 can enter into and remove in the hole 7, and the movable plate 10 just can be dismantled like this, has made things convenient for people to detect it and the work of maintaining.

The working principle is as follows: people can drive the first rotating shaft to rotate by starting the motor 52 and the heating sheet 67, so as to drive the caterpillar 513 to move, and further drive the gear 58 and the fan 64 to rotate, the gear 58 can drive the moving plate 10 to move up and down on the front side of the outer machine 2 under the action of the plurality of teeth 514, the brush 68 can stably push the frost layer, meanwhile, the heating sheet 67 emits heat, the heat is driven to enter the fin heat exchanger body 11 from the through hole 65 under the action of the fan 64, so as to achieve more effective defrosting work, when the moving plate 10 needs to be detected and maintained, people can drive the screw cap 43 to be far away from the sliding sleeve 44 by rotating the screw cap 43, so as not to limit the sliding sleeve 44, and then drive the two limiting blocks 41 to rotate by rotating the sliding sleeve 44, so that the two limiting blocks 41 can enter the moving hole 7, so that the moving plate 10 can be detached, then people can detect and maintain the device.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A mechanical defrosting device for a fin heat exchanger comprises a base (1), an outer machine (2) and a fixing strip (3), it is characterized in that an outer machine (2) is fixedly connected with the upper surface of the base (1), a fin heat exchanger body (11) is arranged on the front surface of the outer machine (2), the left side surface and the right side surface of the outer machine (2) are fixedly connected with fixed strips (3), the front surface of each fixed strip (3) is provided with a moving hole (7), a moving rod (9) is arranged in each moving hole (7), one end of each moving rod (9) is fixedly connected with a moving plate (10), each moving plate (10) is positioned on the front side of the outer machine (2), the other end of the moving rod (9) passes through the moving hole (7) and is provided with a fixing mechanism (4), a cavity is formed in the moving plate (10), and a moving mechanism (5) and two linkage mechanisms (6) are arranged in the cavity.

2. The mechanical defrosting device for the fin heat exchanger according to claim 1, wherein the moving mechanism (5) comprises a fixed plate (51) fixedly connected to the back of the moving plate (10), the fixed plate (51) is located on the right side of the outer unit (2), a motor (52) is fixedly connected to the upper surface of the fixed plate (51), a first rotating shaft is fixedly connected to the output end of the motor (52), a first shaft sleeve (53) is connected to the back of the moving plate (10) in a clamping manner, the other end of the first rotating shaft penetrates through the first shaft sleeve (53) and is sleeved with a first bearing (56), the first bearing (56) is connected to the front of the inner wall of the cavity in a clamping manner, and a first driving wheel (55) is connected to the outer surface of the first rotating shaft in a clamping manner.

3. The mechanical defrosting device for the fin heat exchanger according to claim 2, wherein a second bearing (510) is clamped on the front surface of the inner wall of the cavity, a second rotating shaft is sleeved in the second bearing (510), a second sleeve (59) is clamped on the back surface of the moving plate (10), the second sleeve (59) is positioned on the left side of the outer unit (2), the other end of the second rotating shaft penetrates through the second sleeve (59) and is fixedly connected with a limiting block (57), a gear (58) and a second driving wheel (512) are clamped on the outer surface of the second rotating shaft, the gear (58) is positioned on the rear side of the second bearing (510), the second driving wheel (512) is arranged in the cavity, a plurality of teeth (514) are arranged on the left side surface of the fixed strip (3), and the gear (58) is meshed with the teeth (514).

4. The mechanical defrosting device for the fin heat exchanger according to claim 1, wherein the fixing mechanism (4) comprises a sliding rod fixedly connected to the other end of the moving rod (9), a threaded column (42) is fixedly connected to the other end of the sliding rod, a threaded cap (43) is connected to the outer surface of the threaded column (42) in a threaded manner, a sliding sleeve (44) is sleeved on the outer surface of the sliding rod, limiting blocks (41) are fixedly connected to the left side surface and the right side surface of the sliding sleeve (44), and the limiting blocks (41) are arranged on the rear side of the fixing strip (3).

5. The mechanical defrosting device for the fin heat exchanger according to claim 3, wherein the linkage mechanism (6) comprises a third bearing (61) clamped on the back surface of the inner wall of the cavity, a third rotating shaft is sleeved in the third bearing (61), the front surface of the moving plate (10) is clamped with a third shaft sleeve (63), the other end of the third rotating shaft penetrates through the third shaft sleeve (63) and is fixedly connected with a fan (64), a third driving wheel (62) is clamped on the outer surface of the third rotating shaft, two through holes (65) are formed in the front side surface and the rear side surface of the moving plate (10), two heating sheets (67) are arranged on the back surface of the inner wall of the cavity, the two heating sheets (67) are respectively positioned on the left side and the right side of the third bearing (61), a brush (68) is arranged on the back surface of the moving plate (10), and the brush (68) is attached on the outer surface of the fin heater body, the first transmission wheel (55), the second transmission wheel (512) and the third transmission wheel (62) are in transmission connection with each other through a crawler belt (513).

6. The mechanical defrosting device for the fin heat exchanger according to claim 1, characterized in that moving grooves are formed on the left and right side surfaces of the inner wall of the moving hole (7), and a plurality of rolling balls (8) are arranged in the moving grooves.