Ventilation device for refrigeration engineering

Abstract

The utility model provides a ventilation device for refrigeration engineering, and belongs to the technical field of ventilation equipment. The ventilation and air exchange device for the refrigeration engineering comprises an air exchange channel and a replacement assembly, the replacement assembly is detachably connected to the interior of the air exchange channel and comprises an installation channel, an installation plate, a replacement groove, an embedding frame and a dustproof net, the embedding frame is fixedly connected to the exterior of the embedding frame, and a grabbing part is fixedly connected to one side of the top of the embedding frame. The air exchange assembly is arranged in the reloading assembly and comprises a ventilation net, a rotating shaft, a straight sliding rod, a reset shaft and an embedding plate, a one-way rotating shaft is fixedly connected to the exterior of the straight sliding rod, a fixing frame is fixedly connected to the exterior of the one-way rotating shaft, and an air exchange fan is fixedly connected to the interior of the fixing frame. The utility model has the advantages of being convenient to overhaul and disassemble, reducing loss and noise transmission, and reducing dust accumulation in an idle state.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation equipment technical field, concretely relates to a ventilation and air exchange device for refrigeration engineering. BACKGROUND

[0002] The fan in the refrigeration engineering is driven by the exhaust fan to drive the airflow to exchange the indoor and outdoor airflow when in use. The exhaust purpose is to drive the indoor air flow to achieve air replacement, so as to achieve the effect of adjusting temperature and humidity, and is widely used in families and public places. It is also called negative pressure fan, negative pressure fan, etc. It utilizes air convection to make the indoor in a negative pressure state under the working condition, continuously absorbs the outdoor air, and discharges the hot air in the room, so as to achieve the effect of ventilation, air permeability and cooling.

[0003] The existing ventilation and air exchange device is mostly mechanically fixed through punching the outer wall and using screws. After long-term use or damage, the screws need to be disassembled one by one for maintenance. For concrete outer walls and metal shells, frequent disassembly can cause irreversible damage, further reducing the service life, and the internal filter device is inconvenient to disassemble, which cannot meet the existing demand. Therefore, the present application provides a ventilation and air exchange device for refrigeration engineering. SUMMARY

[0004] To solve the above technical problems, the utility model provides a ventilation and air exchange device for refrigeration engineering which can be easily maintained and disassembled, reduce damage and noise transmission, and reduce dust accumulation in idle state.

[0005] The technical scheme of the utility model is as follows:

[0006] A ventilation and air exchange device for refrigeration engineering, comprising a ventilation channel and a replacement assembly, characterized in that the replacement assembly is detachably connected inside the ventilation channel, the replacement assembly comprises a mounting channel, a mounting plate, a replacement slot, an embedded frame and a dust screen, the embedded frame is fixedly connected outside the embedded frame, and one side of the top of the embedded frame is fixedly connected with a gripping part, further comprising:

[0007] A ventilation assembly is arranged inside the replacement assembly, the ventilation assembly comprises a ventilation screen, a rotating shaft, a straight slide rod, a reset shaft and an embedded plate, the straight slide rod is fixedly connected outside the one-way rotating shaft, the one-way rotating shaft is fixedly connected outside the fixed frame, and the fixed frame is fixedly connected inside the ventilation fan.

[0008] Further, the filling grooves are movably connected with injection hoses inside, the filling grooves are multiple and evenly distributed on the outside of the air replacement channel and the air replacement assembly, the straight guide grooves are provided inside the installation channel, and the straight guide grooves are two groups and symmetrically distributed inside the installation channel.

[0009] Further, the installation channel is movably connected inside the air replacement channel, the replacement groove is provided inside the installation channel, the installation plate is fixedly connected outside the installation channel, the embedded frame is movably connected inside the installation channel, and the dustproof net is detachably connected inside the embedded frame.

[0010] Further, the embedded frame is fixedly connected with sliding guide columns outside, the sliding guide columns are multiple and symmetrically distributed outside the embedded frame, the sliding guide columns are embeddedly connected with the replacement groove, and the embedded frame is wrapped with sealing rubber.

[0011] Further, the ventilation net is movably connected at the opening of the installation channel, the rotating shaft is fixedly connected outside the ventilation net, the straight sliding rod is fixedly connected outside the rotating shaft, the reset shaft is fixedly connected outside the ventilation net, and the embedded plate is fixedly connected outside the embedded plate.

[0012] Further, the rotating shaft is two groups and symmetrically distributed outside the ventilation net, and the straight sliding rod is embeddedly connected with the straight guide groove.

[0013] Further, the reset shaft is multiple and evenly distributed outside the ventilation net, and the embedded plates are embeddedly connected with each other in a head-to-tail mode to form a sealing plate.

[0014] Further, the ventilation net is fixedly connected with a handle outside.

[0015] The utility model has the advantages of the following beneficial effects:

[0016] 1. By setting the air replacement channel and the air replacement assembly, the device can remove the embedded frame inside without disassembly for cleaning after long-term use, fix the installation channel as a whole by injecting foaming glue, form an isolation layer between the installation channel and the air replacement channel, reduce the damage to the wall or metal and noise transmission caused by repeated disassembly, and greatly improve the safety of the device.

[0017] 2. By setting the air replacement assembly, the device can always be in a closed state in an idle state, reduce dust accumulation in the idle state, and facilitate removal in the maintenance state, greatly improving the convenience of device maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall appearance schematic view of the utility model;

[0019] Figure 2 is the internal structure diagram of the utility model Figure 1 ;

[0020] Figure 3 is the partial structure dissection diagram of the utility model refilling assembly;

[0021] Figure 4 is the partial structure diagram of the utility model refilling assembly;

[0022] Figure 5 is the side view of the utility model air changing assembly;

[0023] Figure 6 is the A place structure enlarged view of the utility model Figure 5 .

[0024] Wherein: 1, air changing channel; 2, refilling assembly; 201, installation channel; 202, installation plate; 203, filling groove; 204, straight guide groove; 205, replacement groove; 206, injection hose; 207, fitting frame; 208, gripping portion; 209, sliding guide column; 210, dust screen; 3, air changing assembly; 301, ventilation net; 302, rotating shaft; 303, straight sliding rod; 304, reset shaft; 305, fitting plate; 306, handle; 307, one-way rotating shaft; 308, fixed frame; 309, air changing fan. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0026] Embodiment 1

[0027] Please see Figures 1 to 6 , the utility model provides a kind of ventilation and air exchange device for refrigeration engineering, including air changing channel 1 and refilling assembly 2, refilling assembly 2 is detachably connected in air changing channel 1 inside, and refilling assembly 2 includes installation channel 201, installation plate 202, replacement groove 205, fitting frame 207 and dust screen 210, fitting frame 207 is fixedly connected with fitting frame 207 outside, fitting frame 207 top side is fixedly connected with gripping portion 208, further include:

[0028] The air exchange assembly 3 is arranged inside the installation assembly 2, and the air exchange assembly 3 comprises a ventilation net 301, a rotating shaft 302, a straight sliding rod 303, a reset shaft 304 and an embedded plate 305. The straight sliding rod 303 is externally fixedly connected with a one-way rotating shaft 307, the one-way rotating shaft 307 is externally fixedly connected with a fixing frame 308, and the fixing frame 308 is internally fixedly connected with an air exchange fan 309.

[0029] Specifically, during installation, the installation channel 201 is arranged inside the air exchange channel 1, the installation plate 202 is in close contact with the air exchange channel 1, the injection hose 206 is inserted into the filling groove 203, the embedded frame 207 and the air exchange assembly 3 are sequentially arranged inside the installation channel 201, the embedded frame 207 moves along the replacement groove 205 in a horizontal and forward direction, the embedded frame 207 is vertically adjusted along the replacement groove 205, the embedded frame 207 is in close contact with the inner wall of the installation channel 201, the straight sliding rod 303 is inserted into the straight guide groove 204 and then pushed into the installation channel 201 until the ventilation net 301 is in close contact with the opening of the installation channel 201, and finally the foaming glue is injected into the filling groove 203 through the injection hose 206, so that the foaming glue layer is covered between the air exchange channel 1 and the installation channel 201. After the foaming glue solidifies, the installation is completed.

[0030] Embodiment 2

[0031] Please refer to Figures 1 to 6 In the embodiment 1, the filling groove 203 is arranged on the outside of the air exchange channel 1 and the installation assembly 2, the injection hose 206 is movably connected in the filling groove 203, the filling groove 203 has multiple groups and is evenly distributed on the outside of the air exchange channel 1 and the installation assembly 2, the straight guide groove 204 is arranged in the installation channel 201, the straight guide groove 204 has two groups and is symmetrically distributed in the installation channel 201, the installation channel 201 is movably connected in the air exchange channel 1, the replacement groove 205 is arranged in the installation channel 201, the installation plate 202 is fixedly connected on the outside of the installation channel 201, the embedded frame 207 is movably connected in the installation channel 201, the dustproof net 210 is detachably connected in the embedded frame 207, the embedded frame 207 is externally fixedly connected with the sliding guide column 209, the sliding guide column 209 has multiple groups and is symmetrically distributed on the outside of the embedded frame 207, the sliding guide column 209 is embeddedly connected with the replacement groove 205, and the embedded frame 207 is wrapped with the sealing rubber.

[0032] By making the above settings, when the ventilation operation is performed, the air flow in the installation channel 201 is driven by the opening of the ventilation fan 309 and the negative pressure is formed between the fixed frame 308 and the ventilation net 301, so as to drive the embedded plate 305 to expand to the inside of the installation channel 201 to form a passage, in the idle state, the reset shaft 304 forms a small torsion under the influence of the gravity of the embedded plate 305, so that the embedded plate 305 is properly arranged vertically downward, and the recesses between the head and tail of the embedded plate 305 are mutually embedded and electrostatically adsorbed, so that the whole is sealed and packed, the external dust is blocked, and the amount of internal dust accumulation is reduced.

[0033] Embodiment 3

[0034] Please refer to Figures 1 to 6 In the embodiment 2, the ventilation net 301 is movably connected at the opening of the installation channel 201, the rotating shaft 302 is fixedly connected outside the ventilation net 301, the straight sliding rod 303 is fixedly connected outside the rotating shaft 302, the reset shaft 304 is fixedly connected outside the ventilation net 301, the embedded plate 305 is fixedly connected outside the embedded plate 305, the rotating shaft 302 has two groups and is symmetrically distributed outside the ventilation net 301, the straight sliding rod 303 is embeddedly connected with the straight guide groove 204, the reset shaft 304 has multiple groups and is evenly distributed outside the ventilation net 301, the embedded plates 305 are mutually embedded at the head and tail to form a sealing plate, and the ventilation net 301 is fixedly connected with the handle 306 outside.

[0035] By making the above settings, after a long time of use, a large amount of dust is accumulated in the dustproof net 210, the ventilation net 301 is opened by holding the handle 306, the fixed frame 308 is bent on the upper part of the installation channel 201 through the one-way rotating shaft 307 to form an operation space, then the embedded frame 207 is moved along the replacement groove 205 and separated from the installation channel 201 to be taken out by holding the holding part 208, and then the embedded frame 207 is reinstalled after being fully operated after the dustproof net 210 is cleaned or replaced, so as to avoid the wall damage and metal fatigue caused by repeated screw disassembly, and the service life of the device is greatly improved.

[0036] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A ventilation device for refrigeration engineering, comprising a ventilation channel (1) and a replacement assembly (2), characterized in that, The refitting assembly (2) is detachably connected inside the air changing channel (1), the refitting assembly (2) comprises a mounting channel (201), a mounting plate (202), a replacement groove (205), a fitting frame (207) and a dust screen (210), the fitting frame (207) is fixedly connected outside the fitting frame (207), one side of the top of the fitting frame (207) is fixedly connected with a gripping part (208), and the refitting assembly (2) further comprises The air changing assembly (3) is arranged inside the refitting assembly (2), and the air changing assembly (3) comprises a ventilation screen (301), a rotating shaft (302), a straight sliding rod (303), a reset shaft (304) and a fitting plate (305), the straight sliding rod (303) is fixedly connected outside the one-way rotating shaft (307), the one-way rotating shaft (307) is fixedly connected outside the fixing frame (308), and the fixing frame (308) is fixedly connected inside the air changing fan (309).

2. A ventilation device for refrigeration engineering according to claim 1, characterized in that The filling grooves (203) are arranged outside the air changing channel (1) and the refitting assembly (2), the injection hoses (206) are movably connected inside the filling grooves (203), the filling grooves (203) are arranged in multiple groups and are uniformly distributed outside the air changing channel (1) and the refitting assembly (2), the straight guide grooves (204) are arranged inside the mounting channel (201), and the straight guide grooves (204) are arranged in two groups and are symmetrically distributed inside the mounting channel (201).

3. The ventilation device for refrigeration engineering according to claim 1, characterized in that The mounting channel (201) is movably connected inside the air changing channel (1), the replacement groove (205) is arranged inside the mounting channel (201), the mounting plate (202) is fixedly connected outside the mounting channel (201), the fitting frame (207) is movably connected inside the mounting channel (201), and the dust screen (210) is detachably connected inside the fitting frame (207).

4. The ventilation device for refrigeration engineering according to claim 1, characterized in that The fitting frame (207) is fixedly connected outside the sliding guide column (209), the sliding guide column (209) is arranged in multiple groups and is symmetrically distributed outside the fitting frame (207), the sliding guide column (209) is embeddedly connected with the replacement groove (205), and the fitting frame (207) is wrapped with sealing rubber.

5. The ventilation device for refrigeration engineering according to claim 1, characterized in that The ventilation screen (301) is movably connected at the opening of the mounting channel (201), the rotating shaft (302) is fixedly connected outside the ventilation screen (301), the straight sliding rod (303) is fixedly connected outside the rotating shaft (302), the reset shaft (304) is fixedly connected outside the ventilation screen (301), and the fitting plate (305) is fixedly connected outside the fitting plate (305).

6. The ventilation device for refrigeration engineering according to claim 1, characterized in that The rotating shaft (302) is arranged in two groups and is symmetrically distributed outside the ventilation screen (301), and the straight sliding rod (303) is embeddedly connected with the straight guide groove (204).

7. The ventilation device for refrigeration engineering according to claim 1, characterized in that The reset shaft (304) is arranged in multiple groups and is uniformly distributed outside the ventilation screen (301), and the fitting plates (305) are embeddedly connected with each other in a head-to-tail mode to form a sealing plate.

8. The ventilation device for refrigeration engineering according to claim 1, characterized in that The ventilation screen (301) is fixedly connected with a handle (306).

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