Air guide device for dryer

Abstract

The utility model relates to the technical field of drying equipment, in particular to an air guide device for a dryer. The air guide device for the drying machine comprises a heat preservation box, an air guide mechanism, a backflow mechanism and an air blower. An air guide mechanism is arranged in the heat preservation box, one side of the heat preservation box is connected with a backflow mechanism, and an air blower is arranged above the backflow mechanism. The air guide device for the drying machine has the beneficial effects that hot air in the heat preservation box flows into the heat preservation shell through the ventilation pipe, then passes through the filter screen, enters the air blower through the backflow pipe and is heated again through the electric heating pipe for drying, and then heat loss of the air guide device is reduced; when articles on the grid tray are rotated, hot air heated by the electric heating pipe enters the first air injection plate and the second air injection plate from the three-way pipe and is sprayed on the articles on the grid tray, and then the air guide device is evenly heated.

Description

Technical Field

[0001] The utility model relates to the field of drying equipment, in particular to an air guide device for a drying machine. Background Art

[0002] Dryers can be divided into two types: industrial and civil. Industrial dryers are also called drying equipment or dryers. Civil dryers are a type of washing machinery. They are generally used to remove moisture from clothing and other textiles after washing and dehydration. In order to improve the drying efficiency, they are used in conjunction with air guide devices. The existing air guide devices of dryers still have certain defects when used, such as;

[0003] Announcement No.: CN210569588U, proposes: an air guide device for a dryer, including a dryer case, a control box, a sliding door, a support frame, a fan, a heater, a threaded column, an arc-shaped air guide plate, a uniform ventilation plate, an air outlet, an air outlet grille and bolts. A control box is installed on the front end face of the dryer case, a sliding door is installed on the front end face of the dryer case, a support frame is fixed inside the dryer case, a fan is installed on the left end face of the dryer case, a heater is installed on the left side of the fan, an arc-shaped air guide plate is installed on the right side of the dryer case, a threaded column is connected to the right end face of the dryer case, a uniform ventilation plate is fixed on the left side of the arc-shaped air guide plate, an air outlet is opened on the left end face of the dryer case, an air outlet grille is installed on the left side of the air outlet, and bolts are installed on the left end face of the air outlet grille. The design solves the problem of poor use effect of the air guide device of the original dryer. The utility model has a reasonable structure, is easy to combine and install, and has a good air guiding effect.

[0004] In the above document: when the device uses hot air for drying, the hot air is directly discharged to the outside from the air outlet, and the fan continuously draws in the outside air for heating, resulting in heat loss. Based on this, an air guide device for a dryer is specially proposed to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to provide an air guide device for a dryer to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: an air guide device for a dryer; the air guide device for a dryer comprises: an insulation box, an air guide mechanism, a reflux mechanism and a blower;

[0007] An air guide mechanism is arranged inside the heat preservation box, and a return flow mechanism is connected to one side of the heat preservation box, and a blower is arranged above the return flow mechanism;

[0008] One side of the reflux mechanism is connected to an electric heating pipe, and the reflux mechanism includes: an insulation shell, a ventilation pipe, a collection box, a reflux pipe, a filter, a stepper motor and a cleaning brush. One side of the insulation box is connected to the insulation shell, the blower is connected to the upper surface of the insulation shell, a ventilation pipe is connected between the insulation box and the insulation shell, and the collection box is slidably connected inside the insulation shell.

[0009] Preferably, a return pipe is connected to the top of the heat-insulating shell, the return pipe is connected to the front of the blower, and a filter screen may be connected to the bottom of the return pipe.

[0010] Preferably, a stepper motor is embedded on the upper inner wall of the heat preservation box close to the return pipe, and a cleaning brush is connected to the output end of the stepper motor, and the cleaning brush abuts against the bottom of the filter.

[0011] Preferably, the air guide mechanism comprises: a sliding door, a first air jet plate, a second air jet plate, a grid frame, a worm gear, a grid tray, a heat-resistant motor, a worm, a three-way pipe, a first air pipe, a first valve, a second air pipe and a second valve, a sliding door is slidably connected to one side of the incubator, and the first air jet plate is connected to the upper and lower parts of the inner wall of the incubator;

[0012] The front and rear parts of the inner wall of the heat preservation box are both connected with second air injection plates.

[0013] Preferably, a grid frame is connected to one side of the sliding door, and the grid frame is slidably connected to the upper surface of the first jet plate below.

[0014] Preferably, a worm gear is connected through a bearing in the grid frame, a grid tray is connected above the worm gear, and the grid tray is arranged above the grid frame.

[0015] Preferably, a heat-resistant motor is connected to the bottom of the grid frame near the worm wheel, a worm is connected to the output end of the heat-resistant motor, and the worm is meshingly connected to the front of the worm wheel.

[0016] Preferably, a three-way pipe is connected to one side of the electric heating tube, one end of the three-way pipe is connected to a first gas pipe, the other end of the first gas pipe is connected to a first valve, the first valve passes through the inner wall of the insulation box and is connected to the first jet plate, one end of the three-way pipe close to the first gas pipe is connected to a second gas pipe, the other end of the second gas pipe is connected to a second valve, the second valve passes through the inner wall of the insulation box and is connected to the second jet plate.

[0017] Compared with the prior art, the beneficial effect of the utility model is that the hot air in the insulation box flows into the insulation shell through the ventilation pipe, and then enters the blower from the return pipe after passing through the filter, and is heated again by the electric heating tube for drying, thereby reducing heat loss of the air guide device, and by starting the heat-resistant motor to rotate the grid tray, the items on the grid tray are rotated, and the hot air heated by the electric heating tube enters the first jet plate and the second jet plate from the three-way pipe, and is sprayed on the items on the grid tray, thereby allowing the air guide device to be evenly heated.

[0018] The utility model provides an air guide device for a dryer, the specific contents of which are as follows:

[0019] 1. The hot air in the insulation box flows into the insulation shell through the ventilation pipe, then passes through the filter, enters the blower from the return pipe, and is heated again by the electric heating pipe for drying. The hot air in the insulation box is sent to the blower for blowing out and then heated, so that the air guide device reduces heat loss;

[0020] 2. By opening the first valve, the hot air heated by the electric heating tube enters the first jet plate from the three-way pipe through the first air pipe and is ejected, and then the second valve is opened, the hot air heated by the electric heating tube enters the second jet plate from the three-way pipe through the second air pipe and is ejected, and the heat-resistant motor drives the grid tray to rotate, rotates the items on the grid tray, and then allows the air guide device to evenly heat the items to be heated. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main cross-sectional structure of the thermal insulation box of the utility model;

[0022] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the side cross-sectional structure of the thermal insulation box of the utility model;

[0024] Figure 4 It is a schematic diagram of the structure of the grid tray in a top view of the present utility model.

[0025] In the figure: 1. Insulation box; 2. Air guide mechanism; 201. Sliding door; 202. First jet plate; 203. Second jet plate; 204. Grid frame; 205. Worm gear; 206. Grid tray; 207. Heat-resistant motor; 208. Worm; 209. Three-way pipe; 210. First air pipe; 211. First valve; 212. Second air pipe; 213. Second valve; 3. Reflux mechanism; 301. Insulation shell; 302. Ventilation pipe; 303. Collecting box; 304. Reflux pipe; 305. Filter; 306. Stepping motor; 307. Cleaning brush; 4. Blower; 5. Electric heating pipe. DETAILED DESCRIPTION

[0026] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1

[0028] See also Figure 1-Figure 3 The utility model provides a technical solution: an air guide device for a dryer; the air guide device for a dryer comprises: an insulation box 1, an air guide mechanism 2, a reflux mechanism 3 and a blower 4;

[0029] An air guide mechanism 2 is arranged inside the thermal insulation box 1, and a reflux mechanism 3 is connected to one side of the thermal insulation box 1, and a blower 4 is arranged above the reflux mechanism 3; an electric heating pipe 5 is connected to one side of the reflux mechanism 3, and the reflux mechanism 3 includes: an insulation shell 301, a ventilation pipe 302, a collection box 303, a reflux pipe 304, a filter 305, a stepper motor 306 and a cleaning brush 307, an insulation shell 301 is connected to one side of the thermal insulation box 1, the blower 4 is connected to the upper surface of the insulation shell 301, a ventilation pipe 302 is connected between the thermal insulation box 1 and the insulation shell 301, and the collection box 303 is slidably connected inside the insulation shell 301.

[0030] A return pipe 304 is connected to the top of the insulation shell 301, and the return pipe 304 is connected to the front of the blower 4. A filter screen 305 can be connected to the bottom of the return pipe 304. A stepper motor 306 is embedded on the top of the inner wall of the insulation box 1 near the return pipe 304. A cleaning brush 307 is connected to the output end of the stepper motor 306, and the cleaning brush 307 abuts against the bottom of the filter screen 305.

[0031] In order to reduce the heat loss of the air guide device, the ventilation pipe 302 allows the hot air in the insulation box 1 to flow into the insulation shell 301, and then passes through the filter 305, enters the blower 4 from the return pipe 304, and is heated again by the electric heating tube 5 for drying. The stepper motor 306 is started to drive the cleaning brush 307 to rotate, and the impurities on the filter 305 are scraped off and fall into the collection box 303. The collection box 303 is drawn out and dumped, and the hot air in the insulation box 1 is sent to the blower 4 for blowing out and then heated, so as to reduce the heat loss of the air guide device.

[0032] Embodiment 2

[0033] See also Figure 1-Figure 4It can be seen that the air guide mechanism 2 includes: a sliding door 201, a first jet plate 202, a second jet plate 203, a grid frame 204, a worm gear 205, a grid tray 206, a heat-resistant motor 207, a worm 208, a three-way pipe 209, a first air supply pipe 210, a first valve 211, a second air supply pipe 212 and a second valve 213. The sliding door 201 is slidably connected to one side of the heat preservation box 1, and the first jet plate 202 is connected to the upper and lower parts of the inner wall of the heat preservation box 1; the second jet plate 203 is connected to the front and rear parts of the inner wall of the heat preservation box 1, and the grid frame 204 is connected to one side of the sliding door 201. The grid frame 204 is slidably connected to the upper surface of the first jet plate 202 below. The worm gear 205 is connected to the grid frame 204 through a bearing, and the grid tray 206 is connected to the upper part of the worm gear 205. The grid tray 206 is arranged above the grid frame 204, and a heat-resistant motor 207 is connected to the bottom of the grid frame 204 near the worm gear 205, and a worm 208 is connected to the output end of the heat-resistant motor 207, and the worm 208 is meshingly connected to the front of the worm gear 205. A three-way pipe 209 is connected to one side of the electric heating tube 5, and one end of the three-way pipe 209 is connected to a first gas pipe 210, and the other end of the first gas pipe 210 is connected to a first valve 211, and the first valve 211 passes through the inner wall of the insulation box 1 and is connected to the first jet plate 202, and one end of the three-way pipe 209 near the first gas pipe 210 is connected to a second gas pipe 212, and the other end of the second gas pipe 212 is connected to a second valve 213, and the second valve 213 passes through the inner wall of the insulation box 1 and is connected to the second jet plate 203.

[0034] On the basis of the first embodiment, in order to achieve uniform heating of the heated items by the air guide device, the first valve 211 is opened, and the hot air heated by the electric heating tube 5 enters the upper and lower groups of first jet plates 202 from the three-way pipe 209 through the first air pipe 210 and the first valve 211 and is ejected, and then the second valve 213 is opened, and the hot air heated by the electric heating tube 5 enters the front and rear groups of second jet plates 203 from the three-way pipe 209 through the second air pipe 212 and the second valve 213 and is ejected, and the heat-resistant motor 207 drives the worm 208 to drive the worm wheel 205 to rotate, drives the grid tray 206 to rotate, and rotates the items on the grid tray 206, so that the air guide device can heat the heated items evenly.

[0035] During actual use, the sliding door 201 is pulled to withdraw the grid tray 206, the items to be dried are placed on the grid tray 206, and then the sliding door 201 is pushed into the insulation box 1, the heat-resistant motor 207 is started to drive the grid tray 206 to rotate, and the blower 4 is started to let the air in the insulation box 1 enter the blower 4 through the insulation shell 301, and is sent from the blower 4 into the electric heating tube 5, where it is heated by the heating wire in the electric heating tube 5 to generate hot air, and then the two groups are sent into the first jet plate 202 and the second jet plate 203 respectively through the three-way pipe 209, and sprayed onto the items to be dried on the grid tray 206 for drying. The stepper motor 306 rotates once regularly to scrape the impurities on the filter screen 305 and drop them into the collection box 303, and the collection box 303 is regularly withdrawn to dump the impurities collected inside.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air guide device for a dryer, characterized in that; The air guide device for a drying machine comprises: an insulation box (1), an air guide mechanism (2), a return mechanism (3) and a blower (4); An air guide mechanism (2) is arranged inside the heat preservation box (1), and a return flow mechanism (3) is connected to one side of the heat preservation box (1), and a blower (4) is arranged above the return flow mechanism (3); One side of the reflux mechanism (3) is connected to an electric heating pipe (5), and the reflux mechanism (3) comprises: an insulation shell (301), a ventilation pipe (302), a collection box (303), a reflux pipe (304), a filter (305), a stepper motor (306) and a cleaning brush (307); one side of the insulation box (1) is connected to the insulation shell (301), the blower (4) is connected to the upper surface of the insulation shell (301), a ventilation pipe (302) is connected between the insulation box (1) and the insulation shell (301), and the collection box (303) is slidably connected inside the insulation shell (301).

2. The air guide device for a dryer according to claim 1, characterized in that: A return pipe (304) is connected to the top of the heat-insulating shell (301), the return pipe (304) is connected to the front of the blower (4), and a filter screen (305) may be connected to the bottom of the return pipe (304).

3. The air guide device for a dryer according to claim 2, characterized in that: A stepper motor (306) is embedded on the upper inner wall of the heat preservation box (1) near the return pipe (304), and a cleaning brush (307) is connected to the output end of the stepper motor (306), and the cleaning brush (307) abuts against the bottom of the filter screen (305).

4. The air guide device for a dryer according to claim 1, characterized in that: The air guide mechanism (2) comprises: a sliding door (201), a first air jet plate (202), a second air jet plate (203), a grid frame (204), a worm gear (205), a grid tray (206), a heat-resistant motor (207), a worm (208), a three-way pipe (209), a first air supply pipe (210), a first valve (211), a second air supply pipe (212) and a second valve (213); one side of the thermal insulation box (1) is slidably connected to the sliding door (201), and the first air jet plate (202) is connected to the upper and lower sides of the inner wall of the thermal insulation box (1); The front and rear parts of the inner wall of the heat preservation box (1) are both connected to a second air-jet plate (203).

5. The air guide device for a dryer according to claim 4, characterized in that: A grid frame (204) is connected to one side of the sliding door (201), and the grid frame (204) is slidably connected to the upper surface of the first jet plate (202) below.

6. The air guide device for a dryer according to claim 5, characterized in that: A worm gear (205) is connected to the grid frame (204) through a bearing, and a grid tray (206) is connected above the worm gear (205). The grid tray (206) is arranged above the grid frame (204).

7. The air guide device for a dryer according to claim 6, characterized in that: A heat-resistant motor (207) is connected to the bottom of the grid frame (204) near the worm wheel (205), and a worm (208) is connected to the output end of the heat-resistant motor (207), and the worm (208) is meshingly connected to the front of the worm wheel (205).

8. The air guide device for a dryer according to claim 4, characterized in that: One side of the electric heating tube (5) is connected to a three-way pipe (209), one end of the three-way pipe (209) is connected to a first gas pipe (210), the other end of the first gas pipe (210) is connected to a first valve (211), the first valve (211) passes through the inner wall of the heat preservation box (1) and is connected to the top of the first jet plate (202), one end of the three-way pipe (209) close to the first gas pipe (210) is connected to a second gas pipe (212), the other end of the second gas pipe (212) is connected to a second valve (213), the second valve (213) passes through the inner wall of the heat preservation box (1) and is connected to the top of the second jet plate (203).

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