CN219244403U

CN219244403U - Fin heat exchanger convenient to defrosting

Info

Publication number: CN219244403U
Application number: CN202320853259.5U
Authority: CN
Inventors: 李延君
Original assignee: Qingdao Xingjun Industry And Trade Co ltd
Current assignee: Qingdao Xingjun Industry And Trade Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-06-23
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to the technical field of heat exchangers and discloses a fin heat exchanger convenient to defrost, which comprises a heat exchanger main body and a defrosting plate, wherein the defrosting plate is arranged on the front side of the heat exchanger main body, a heating strip is fixedly arranged at the upper end of the inner side of the defrosting plate, comb teeth are arranged on the lower side of the heating strip, a connecting mechanism is arranged between the comb teeth and the defrosting plate, a reciprocating screw rod is rotatably arranged on one side of the heat exchanger main body, sliding blocks are fixedly arranged at two ends of the defrosting plate, one side of the sliding blocks is in threaded sleeve joint with the reciprocating screw rod, a transmission rod is arranged on one side of the reciprocating screw rod, the sliding blocks are movably sleeve joint with the transmission rod, a motor is arranged at the top of the heat exchanger main body, and the output end of the motor is fixedly connected with one end of the transmission rod. The utility model can carry out scraping action intermittently after preheating, ensure safe defrosting and effectively prevent damage to the fins of the heat exchanger.

Description

Fin heat exchanger convenient to defrosting

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a fin heat exchanger convenient to defrost.

Background

When the surface temperature of the fin heat exchanger is lower than the external temperature and lower than 0 ℃, frosting can occur on the outer surface of the fin heat exchanger, so that the heating performance of the heater can be reduced, and defrosting work is required for ensuring the heating performance.

Most of defrosting of the traditional fin heat exchanger adopts a comb teeth arranged outside the fins to scrape condensed frost, but the existing frost scraping mechanism is usually used for directly scraping continuously, and when the frost blocks are condensed to be larger, the direct scraping is easy to cause forced deformation of the fins, so that normal use is affected.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, comb teeth are arranged outside fins to scrape condensed frost, but a conventional frost scraping mechanism usually directly performs continuous scraping, and when a frost block is condensed greatly, the direct scraping is easy to cause forced deformation of the fins to influence normal use.

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

the utility model provides a fin heat exchanger convenient to defrosting, includes heat exchanger main part and defrosting board, the defrosting board sets up in the front side of heat exchanger main part, the inboard upper end of defrosting board is fixed to be provided with the heating strip, the downside of heating strip is provided with the broach, be provided with coupling mechanism between broach and the defrosting board, one side of heat exchanger main part rotates and is provided with reciprocating screw, the both ends of defrosting board are all fixed to be provided with the slider, one side the slider cup joints with reciprocating screw thread, one side of reciprocating screw is provided with the transfer line, the slider cup joints with the transfer line activity, the top of heat exchanger main part is provided with the motor, the one end fixed connection of motor output and transfer line, be provided with intermittent type drive mechanism between lower extreme and the reciprocating screw of transfer line.

Preferably, the intermittent transmission mechanism comprises a spur gear and an incomplete gear, wherein the spur gear is fixedly sleeved at the lower end of the reciprocating screw rod, the incomplete gear is fixedly sleeved at the lower end of the transmission rod, and the incomplete gear is matched with the spur gear.

Preferably, the connecting mechanism comprises a clamping block and a rotating rod, clamping grooves are formed in two sides of the lower end of the defrosting plate, two ends of each comb tooth are respectively connected with corresponding clamping grooves in a clamping mode, through grooves are formed in two ends of each comb tooth, a cavity is formed in the upper side of each clamping groove, the rotating rod is rotatably arranged in the corresponding cavity, the lower end of the rotating rod extends to the lower side of each comb tooth, the clamping block is fixedly arranged at the lower end of the rotating rod, the clamping block is abutted to the lower surface of each comb tooth, the clamping block is matched with the through grooves, a torsion spring is movably sleeved on the rod wall of each rotating rod, and two ends of each torsion spring are fixedly connected with the corresponding rotating rod and the inner wall of the corresponding cavity.

Preferably, a sliding rod is fixedly arranged on one side of the heat exchanger main body away from the reciprocating screw rod, and one side of the heat exchanger main body is movably sleeved with the sliding rod.

Preferably, the side wall of the cavity is provided with a bar-shaped opening, and the position of the bar wall of the rotating rod corresponding to the bar-shaped opening is fixedly sleeved with a knob.

Preferably, the heating strips are arranged in a wave shape.

Preferably, the motor is fixedly connected with the heat exchanger main body through a supporting frame.

Compared with the prior art, the utility model provides the fin heat exchanger convenient for defrosting, which has the following beneficial effects:

1. according to the fin heat exchanger convenient to defrost, the motor drives the incomplete gear to rotate, namely, the straight gear can be intermittently driven to rotate, namely, the defrosting plate can be stopped after being upwards moved a distance, so that the heating strip can preheat and melt frost on the fins, and then the defrosting plate drives the comb teeth to scrape the frost, namely, safe defrosting can be ensured, and damage to the fins of the heat exchanger can be effectively prevented;

2. this fin heat exchanger convenient to defrosting can rotate the fixture block to the alignment with logical groove through rotating both sides knob to can pull out the broach from the draw-in groove, conveniently dismantle maintenance or change the broach.

The device has the advantages that the device has no part which is the same as or can be realized by adopting the prior art, the scraping action can be performed intermittently after preheating, the safe defrosting is ensured, and the damage to the fins of the heat exchanger can be effectively prevented.

Drawings

Fig. 1 is a schematic structural view of a fin heat exchanger for facilitating defrosting according to the present utility model;

FIG. 2 is a schematic view showing an inner structure of the defrost plate of FIG. 1;

fig. 3 is an enlarged schematic view of the structure of the portion a in fig. 2.

In the figure: the defrosting device comprises a heat exchanger main body 1, a defrosting plate 2, a sliding rod 3, a reciprocating screw rod 4, a transmission rod 5, a motor 6, a spur gear 7, an incomplete gear 8, a heating strip 9, comb teeth 10, a through groove 11, a rotating rod 12, a torsion spring 13, a clamping block 14, a sliding block 15 and a knob 16.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-2, a fin heat exchanger convenient to defrost, including heat exchanger main part 1 and defrosting board 2, defrosting board 2 sets up in the front side of heat exchanger main part 1, the inboard upper end of defrosting board 2 is fixed and is provided with heating strip 9, heating strip 9 is the wave setting, conveniently heat the both sides of fin, the downside of heating strip 9 is provided with broach 10, be provided with coupling mechanism between broach 10 and the defrosting board 2, one side rotation of heat exchanger main part 1 is provided with reciprocating screw 4, the both ends of defrosting board 2 are all fixed and are provided with slider 15, one side slider 15 cup joints with reciprocating screw 4 screw thread, one side of reciprocating screw 4 is provided with transfer line 5, slider 15 cup joints with the activity of transfer line 5, one side slider 1 is kept away from reciprocating screw 4 is fixed and is provided with slide bar 3, one side slider 15 cup joints with the activity of slide bar 3 for defrosting board 2 can stable slip, the top of heat exchanger main part 1 is provided with motor 6, motor 6 output and the one end fixed connection of transfer line 5, motor 6 is through support frame and heat exchanger main part 1 fixed connection, make motor 6 and the lower extreme setting intermittent type transmission mechanism that is connected with reciprocating screw 4 more.

Referring to fig. 1-2, the intermittent transmission mechanism comprises a spur gear 7 and an incomplete gear 8, wherein the spur gear 7 is fixedly sleeved at the lower end of the reciprocating screw rod 4, the incomplete gear 8 is fixedly sleeved at the lower end of the transmission rod 5, and the incomplete gear 8 is matched with the spur gear 7.

Referring to fig. 1-3, the coupling mechanism includes fixture block 14 and bull stick 12, the draw-in groove has all been seted up to the lower extreme both sides of defrosting board 2, the both ends of broach 10 respectively with the draw-in groove joint that corresponds, logical groove 11 has all been seted up at the both ends of broach 10, the cavity has been seted up to the upside of draw-in groove, bull stick 12 rotates the inside that sets up in the cavity that corresponds, the lower extreme of bull stick 12 extends to the downside of broach 10, fixture block 14 is fixed to be set up in the lower extreme of bull stick 12, fixture block 14 is inconsistent with the lower surface of broach 10, fixture block 14 and logical groove 11 assorted, torsional spring 13 has been cup jointed in the pole wall activity of bull stick 12, the both ends of torsional spring 13 respectively with the inner wall fixed connection of corresponding bull stick 12 and cavity, the bar mouth has been seted up to the lateral wall of bull stick 12 and the fixed knob 16 that has cup jointed with the position that the bar mouth corresponds, the bull stick 12 is convenient to rotate.

In the utility model, when the defrosting device is used, the motor 6 moves the incomplete gear 8 to rotate, namely the incomplete gear 8 can be intermittently driven to rotate, namely the defrosting plate 2 can be stopped after being upwards moved for a certain distance, so that the heating strip 9 can preheat and melt frost on the fins, and then the defrosting plate 2 drives the comb teeth 10 to scrape the frost, thereby ensuring safe defrosting and effectively preventing damage to the fins of the heat exchanger; when the comb teeth 10 need to be replaced or maintained, the two side knobs 16 are rotated, namely the clamping blocks 14 can be rotated to be aligned with the through grooves, so that the comb teeth 10 can be pulled out of the clamping grooves, and the comb teeth 10 can be conveniently detached, maintained or replaced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a fin heat exchanger convenient to defrosting, includes heat exchanger main part (1) and defrosting board (2), its characterized in that, defrosting board (2) set up in the front side of heat exchanger main part (1), the inboard upper end of defrosting board (2) is fixed to be provided with heating strip (9), the downside of heating strip (9) is provided with broach (10), be provided with coupling mechanism between broach (10) and defrosting board (2), one side rotation of heat exchanger main part (1) is provided with reciprocating lead screw (4), the both ends of defrosting board (2) are all fixed to be provided with slider (15), one side slider (15) cup joint with reciprocating lead screw (4) screw thread, one side of reciprocating lead screw (4) is provided with transfer line (5), slider (15) cup joint with the transfer line (5) activity, the top of heat exchanger main part (1) is provided with motor (6), the one end fixed connection of motor (6) output and transfer line (5), be provided with intermittent type transmission between the lower extreme and the reciprocating lead screw (4) of transfer line (5).

2. The fin heat exchanger for defrosting convenience according to claim 1, wherein the intermittent transmission mechanism comprises a spur gear (7) and an incomplete gear (8), the spur gear (7) is fixedly sleeved at the lower end of the reciprocating screw rod (4), the incomplete gear (8) is fixedly sleeved at the lower end of the transmission rod (5), and the incomplete gear (8) is matched with the spur gear (7).

3. The fin heat exchanger convenient to defrost according to claim 1, characterized in that, coupling mechanism includes fixture block (14) and bull stick (12), the draw-in groove has all been seted up to the lower extreme both sides of defrosting board (2), the both ends of broach (10) respectively with the draw-in groove joint that corresponds, logical groove (11) have all been seted up at the both ends of broach (10), the cavity has been seted up to the upside of draw-in groove, bull stick (12) rotate and set up in the inside of corresponding cavity, the lower extreme of bull stick (12) extends to the downside of broach (10), fixture block (14) are fixed to be set up in the lower extreme of bull stick (12), fixture block (14) are inconsistent with the lower surface of broach (10), fixture block (14) and logical groove (11) assorted, torsional spring (13) have been cup jointed in the pole wall activity of bull stick (12), the both ends of torsional spring (13) respectively with the inner wall fixed connection of corresponding bull stick (12) and cavity.

4. The fin heat exchanger convenient to defrost according to claim 1, wherein a sliding rod (3) is fixedly arranged on one side of the heat exchanger main body (1) far away from the reciprocating screw rod (4), and one side of the sliding rod (15) is movably sleeved with the sliding rod (3).

5. A fin heat exchanger for facilitating defrosting according to claim 3, wherein a strip-shaped opening is formed in a side wall of the cavity, and a knob (16) is fixedly sleeved on a rod wall of the rotating rod (12) and at a position corresponding to the strip-shaped opening.

6. A fin heat exchanger for facilitating defrosting according to claim 1, wherein the heating strips (9) are provided in a wave shape.

7. A fin heat exchanger for facilitating defrosting according to claim 1, wherein the motor (6) is fixedly connected with the heat exchanger main body (1) through a supporting frame.