Ventilation structure of air-cooled refrigerator

Abstract

The utility model discloses a ventilation structure of an air-cooled refrigerator, and relates to the technical field of refrigeration equipment. The air supply device comprises an air supply channel, the air supply channel comprises a main air channel, multiple groups of cold air grooves and an air inlet channel, the cold air grooves are formed in the left side and the right side of the main air channel and are arranged at equal intervals, and the air inlet channel is fixedly installed on the rear side of the main air channel. The servo motor drives the screw rod to rotate, the screw rod drives the regulation and control push plate to slide up and down along the surface of the guide column, the regulation and control push plate is controlled to make contact with the sealing cover plate, the pressing plate presses the ejector rod in the downward moving process, the ejector rod is separated from the upper baffle, limiting and fixing of the sealing cover plate by the upper baffle are relieved, and the sealing cover rotates to be separated from the inner wall of the main air duct. The cold air groove at the position is opened, cold air is allowed to flow into the air-cooled refrigerator from the cold air groove, the pressing plate is attached to one side of the sealing cover in the upward moving process to jack up the sealing cover, and the sealing cover is separated from the lower baffle.

Description

TECHNICAL FIELD

[0001] The utility model relates to refrigeration equipment technical field, concretely relates to a ventilation structure of air-cooled cabinet. BACKGROUND

[0002] Air-cooled cabinet is a kind of refrigeration equipment, realizes cold air forced circulation by the combination of internal fan and cooling system, can more evenly distribute cold air, and food preservation effect is better, external air is inhaled into equipment, is cooled after being cooled by condenser, forms cold air and blows into cabinet, and food is cooled and preserved, then is discharged to outside from air outlet, to high-efficiency refrigeration.

[0003] When existing air-cooled cabinet is used, external gas is cooled and handled after entering equipment, enters cabinet body from multiple groups of layered air inlet, so that food in cabinet is in cold air environment, then air is blown by upper fan and flows, so that gas is extracted and is discharged to outside from air outlet, but air-cooled cabinet exists the condition that its internal space is not completely used, food occupies part of shelf in cabinet, another part is in idle state, but cold air is still blown to shelf in idle state and is wasted. UTILITY MODEL CONTENTS

[0004] To solve the above problems, the utility model provides a ventilation structure of air-cooled cabinet to solve the problem that the internal space of air-cooled cabinet exists the condition that no food is placed and cold air is blown to shelf in idle state.

[0005] The utility model discloses in order to realize the above-mentioned purpose specifically adopts following technical scheme: a ventilation structure of air-cooled cabinet, including air supply channel, the air supply channel includes main air duct, cold air tank and air inlet, and the left and right sides of main air duct are provided with cold air tank, and the number of cold air tank is multiple, and is equidistantly arranged, and the rear side of main air duct is fixedly installed with air inlet, and the top of main air duct is provided with drive assembly, and the rotating end of drive assembly extends to the inside of main air duct and penetrates the top of main air duct;

[0006] The left and right side inner walls of main air duct are fixedly installed with limit baffle, the number of limit baffle is multiple, and is equidistantly arranged, and corresponds with cold air tank, and the left and right side inner walls of main air duct are rotatably installed with closed cover plate, and closed cover plate is located at one side of cold air tank, and limit baffle is located at the front and back sides of closed cover plate, and the moving end of the top of closed cover plate is attached with limit baffle, and the number of closed cover plate is multiple, and is equidistantly arranged.

[0007] The rotating end surface of drive assembly is screw-mounted with control push plate, and the overturning end of control push plate both sides is correspondingly arranged with closed cover plate.

[0008] The driving assembly comprises a servo motor, a screw rod and a guide column, the servo motor is fixedly installed at the top of the main air duct, the output end of the servo motor penetrates the top of the main air duct and is fixedly connected with the screw rod, the screw rod is rotatably installed in the main air duct, and the guide column is fixedly installed in the main air duct and is attached to the surface of the regulating push plate.

[0009] The limiting baffle comprises an upper baffle and a lower baffle, the upper baffle is fixedly installed on the inner wall of the main air duct and is located above the closing cover plate, the upper baffle is L-shaped and the bottom end thereof is a smooth arc surface, and the lower baffle is fixedly installed on the inner wall of the main air duct and is located below the rotating position of the closing cover plate and the main air duct, and the lower baffle is L-shaped.

[0010] The closing cover plate comprises a cover, an insertion plate, a spring, a jacking rod and a sliding rod, the cover is rotatably installed in the main air duct, the insertion plate is fixedly installed on the side of the cover close to the inner wall of the left side of the main air duct, the spring is fixedly connected to the top of the cover, the jacking rod is fixedly installed at the top end of the spring, the sliding rod is fixedly connected to the bottom of the jacking rod and is slidably connected to the top of the cover.

[0011] The front and rear sides of the cover are fixedly installed with two groups of column bodies, the lower column bodies are rotatably connected with the inner walls of the front and rear sides of the main air duct, and the upper column bodies are correspondingly arranged with the limiting baffle.

[0012] The regulating push plate comprises a bottom plate, a supporting seat, a pressing plate and a torsional spring, the bottom plate is screwedly installed on the surface of the rotating end of the driving assembly, the left and right sides of the top of the bottom plate are fixedly installed with the supporting seats, the top of the bottom plate is rotatably installed with the pressing plate, the end of the pressing plate close to the closing cover plate is arc-shaped, and the torsional spring is arranged at the rotating position of the pressing plate and the supporting seat.

[0013] The utility model discloses the following beneficial effects:

[0014] The utility model discloses a servo motor drives screw rod rotation, and screw rod drives regulating push plate and slides along the surface of guide column, and control regulating push plate contacts closing cover plate, and the process of descending pressing plate presses jacking rod, and jacking rod separates with upper baffle, and the position fixing of upper baffle to closing cover plate is removed, and the inner wall of closing cover plate separates with main air duct, and the cold air groove of this place is opened, and the cold air is allowed to flow from the cold air groove to the air -cooled cabinet of this layer, and the process of ascending pressing plate sticks to one side of cover, and it is jacked up, and cover separates with lower baffle, and cover rotates upwards, and jacking rod contacts upper baffle and slides into the bottom of upper baffle, and cover is attached to the inner wall of main air duct, and covers the cold air groove, and prevent the cold air from flowing from the cold air groove to the air -cooled cabinet of this layer, thereby preventing cold air from directly blowing to the display stand of air -cooled cabinet idling, and cold air is concentrated and is sent to the display stand of placing food, and the utilization efficiency of cold air is improved, and the waste of resources is reduced.

[0015] This utility model uses an insert plate to make the cover fit and rotate to cover the cold air duct. When the insert plate is inserted into the cold air duct, it pushes out the blockages and debris that have accumulated due to long-term use, so as to avoid affecting the flow of cold air in the cold air duct. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 yes Figure 1 Enlarged diagram of section A in the middle;

[0018] Figure 3 This is a schematic internal cross-sectional view of the present invention;

[0019] Figure 4 This is a schematic diagram showing the disassembly of the limiting baffle and the closing cover;

[0020] Figure 5 This is a front sectional view of the limiting baffle and the closing cover;

[0021] Figure 6 This is a schematic diagram of the control push plate.

[0022] Reference numerals in the attached diagram: 1. Air supply duct; 101. Main air duct; 102. Cooling air duct; 103. Air inlet duct; 2. Drive assembly; 201. Servo motor; 202. Screw; 203. Guide column; 3. Limiting baffle; 301. Upper baffle; 302. Lower baffle; 4. Sealing cover; 401. Cover; 402. Insert plate; 403. Spring; 404. Top rod; 405. Slide rod; 5. Adjustment push plate; 501. Base plate; 502. Support base; 503. Pressure plate; 504. Torsion spring. Detailed Implementation

[0023] The present invention will be further described below with reference to specific embodiments. However, those skilled in the art should understand that the detailed description given here with reference to the accompanying drawings is for better explanation. The structure of the present invention may exceed the limited embodiments described herein. Some equivalent alternatives or common means will not be described in detail here, but they still fall within the protection scope of this application.

[0024] Figures 1-6 This is the preferred embodiment of the present invention, which is described below in conjunction with the appendix. Figure 1 - Appendix Figure 6 The present invention will be further described below.

[0025] The air cooling cabinet ventilation structure comprises a air supply channel 1, the air supply channel 1 comprises a main air duct 101, a cold air groove 102 and an air inlet duct 103, the left and right sides of the main air duct 101 are provided with the cold air grooves 102, the number of the cold air grooves 102 is multiple, and the cold air grooves 102 are arranged at equal intervals, the rear side of the main air duct 101 is fixedly installed with the air inlet duct 103, the top of the main air duct 101 is provided with a driving assembly 2, and the rotating end of the driving assembly 2 extends to the inside of the main air duct 101 in a penetrating manner; the inner walls of the left and right sides of the main air duct 101 are fixedly installed with limiting baffle plates 3, the number of the limiting baffle plates 3 is multiple, and the limiting baffle plates 3 are arranged at equal intervals and correspond to the cold air grooves 102, the inner walls of the left and right sides of the main air duct 101 are rotatably installed with closed cover plates 4, the closed cover plates 4 are located on one side of the cold air grooves 102, the limiting baffle plates 3 are located on the front and back sides of the closed cover plates 4, the moving end of the top of the closed cover plate 4 is attached to the limiting baffle plate 3, and the number of the closed cover plates 4 is multiple and arranged at equal intervals; the rotating end surface of the driving assembly 2 is screwedly installed with a regulating push plate 5, and the overturning ends on the two sides of the regulating push plate 5 are correspondingly arranged with the closed cover plates 4.

[0026] Specifically, the cold air is guided to flow through the main air duct 101 and the air inlet duct 103, is delivered to the inside of the air cooling cabinet through the cold air grooves 102, and is used for cooling and preserving food, the rotating end of the driving assembly 2 is rotated to control the regulating push plate 5 to move up and down, the regulating push plate 5 is in contact with the closed cover plates 4 at each layer of the cold air grooves 102 from top to bottom or from bottom to top, the limiting baffle plates 3 are used for limiting and supporting the closed cover plates 4, the closed cover plates 4 are limited and fixed in an open or closed state, and the closed cover plates 4 maintain the open or closed state.

[0027] The driving assembly 2 comprises a servo motor 201, a screw rod 202 and a guide column 203, the servo motor 201 is fixedly installed on the top of the main air duct 101, the output end of the servo motor 201 penetrates the top of the main air duct 101 and is fixedly connected with the screw rod 202, the screw rod 202 is rotatably installed in the inside of the main air duct 101, and the guide column 203 is fixedly installed in the inside of the main air duct 101 and is attached to the surface of the regulating push plate 5;

[0028] Specifically, the servo motor 201 drives the screw rod 202 to rotate, the screw rod 202 drives the regulating push plate 5 to move up and down, and the guide column 203 is used for limiting the regulating push plate 5 to stably slide up and down.

[0029] The limiting baffle plate 3 comprises an upper baffle plate 301 and a lower baffle plate 302, the upper baffle plate 301 is fixedly installed on the inner wall of the main air duct 101 and located above the closed cover plate 4, the upper baffle plate 301 is in an L shape, and the bottom end of the upper baffle plate 301 is a smooth arc surface, the lower baffle plate 302 is fixedly installed on the inner wall of the main air duct 101 and located below the rotating position of the closed cover plate 4 and the main air duct 101, and the lower baffle plate 302 is in an L shape.

[0030] Specifically, the top rod 404 is limited by the upper baffle 301, so that the cover 401 is attached to the left and right inner walls of the main air duct 101, and the cover 401 is supported by the lower baffle 302, so that the upper column on the front and rear sides of the cover 401 is attached to the top of the lower baffle 302, preventing the cover 401 from continuing to rotate downward.

[0031] The closure cover plate 4 comprises a cover 401, an insert plate 402, a spring 403, a top rod 404, and a sliding rod 405. The cover 401 is rotatably installed in the main air duct 101. The insert plate 402 is fixedly installed on one side of the cover 401 close to the left and right inner walls of the main air duct 101. The insert plate 402 is correspondingly arranged with the cold air groove 102. The spring 403 is fixedly connected to the top of the cover 401. The top rod 404 is fixedly installed at the top end of the spring 403. The top rod 404 is correspondingly arranged with the upper baffle 301. The sliding rod 405 is fixedly connected to the bottom of the top rod 404 and is slidably connected to the top of the cover 401. The bottom end of the sliding rod 405 is fixedly installed with a limiting disc.

[0032] Specifically, the cover 401 controls the closing or opening of the cold air groove 102. The insert plate 402 ejects the accumulated and blocked debris in the cold air groove 102. The spring 403 pushes the top rod 404 to move upward along the sliding rod 405, so that the top rod 404 is attached to the bottom end of the upper baffle 301 and slides to the bottom of the upper baffle 301.

[0033] The cover 401 is fixedly installed with two groups of columns on the front and rear sides. The lower columns are rotatably connected to the front and rear inner walls of the main air duct 101. The lower baffle 302 is located below the columns. The upper columns are correspondingly arranged with the lower baffle 302.

[0034] Specifically, the lower columns support the cover 401 to rotate in the main air duct 101. The upper columns support the cover 401 to prevent it from rotating downward beyond the range.

[0035] The control push plate 5 comprises a bottom plate 501, a support seat 502, a pressing plate 503, and a torsional spring 504. The bottom plate 501 is screwedly installed on the surface of the screw rod 202 and is attached to the guide column 203. The support seat 502 is fixedly installed on the left and right sides of the top of the bottom plate 501. The pressing plate 503 is rotatably installed on the top of the bottom plate 501. One end of the pressing plate 503 close to the closure cover plate 4 is arc-shaped. The pressing plate 503 is correspondingly arranged with the top rod 404. The torsional spring 504 is arranged at the rotation position of the pressing plate 503 and the support seat 502.

[0036] Specifically, through the bottom plate 501 under the rotation of the screw rod 202, slide up and down along the surface of the guide column 203, through the support seat 502 limit the rotation range of the pressing plate 503, through the pressing plate 503 make two groups of torsional spring 504 maintain to the bottom plate 501 left and right sides, the tendency of reverse flip.

[0037] In summary: the utility model discloses when using, the staff of food to be kept is placed on the each layer of display stand in the inside of air -cooled cabinet according to from top to bottom, the food in the air -cooled cabinet is cooled and is preserved, and cold air enters the main air -duct 101 from the air inlet 103, according to the layer number of the display stand where food is placed, start servo motor 201 drive screw rod 202 rotation, make the bottom plate 501 on screw rod 202 slide down along the surface of guide column 203, drive pressing plate 503 to move down, when the end of pressing plate 503 away from the bottom plate 501 and the top rod 404 top contact and press it, the top rod 404 slides down under the guidance of slide rod 405, spring 403 is compressed, and the pressing plate 503 is overturned on the top of support seat 502, with the moving down of pressing plate 503, the cover 401 is driven to rotate downward, until the top rod 404 is separated from the upper baffle 301, the cover 401 continues to rotate, and the column on its front and back sides is located above and contacts the lower baffle 302, and the cover plate 4 is converted from the vertical state to the horizontal state, the pressing plate 503 is separated from the top rod 404, the torsional spring 504 pushes the pressing plate 503 to return to the original position, the opening operation of the cover 401 of the layer is completed, the cold air groove 102 of the layer can circulate cold air, and the push plate 5 moves from top to bottom to the lowermost layer of display stand where food is placed, opens the cold air groove 102 of each layer where food is placed, so that cold air can be concentrated and blown to the food, avoiding cold air directly blowing to the display stand below which does not place food, improving the utilization efficiency of cold air;

[0038] When the bottom plate 501 moves upward, the pressing plate 503 contacts the surface of the horizontal cover 401, and pushes it to rotate upward. With the rotation of the cover 401, the top rod 404 contacts the bottom end of the upper baffle 301, the spring 403 is compressed, the top rod 404 slides along the guide of the slide rod 405, the pressing plate 503 continues to push the cover 401 to rotate, until the spring 403 pushes the top rod 404 to adhere to the bottom of the upper baffle 301, the cover 401 adheres to the inner wall of the main air duct 101, covers and seals the cold air groove 102 of the layer, and the plug plate 402 is inserted into the cold air groove 102 inside with the rotation of the cover 401, to push out the accumulated blockage in the cold air groove 102, avoiding affecting the circulation of cold air in the cold air groove 102.

[0039] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, and according to the technical essence of the present application, still belong to the protection scope of the technical solution of the present application.

Claims

1. An air exchange structure of a forced air cooling cabinet, characterized in that, The air supply channel (1) comprises a main air duct (101), cold air grooves (102) and an air inlet duct (103). The left and right sides of the main air duct (101) are provided with the cold air grooves (102). The number of the cold air grooves (102) is multiple and they are arranged at equal intervals. The rear side of the main air duct (101) is fixedly provided with the air inlet duct (103). The top of the main air duct (101) is provided with a driving assembly (2). The rotating end of the driving assembly (2) extends to the inside of the main air duct (101) through the top of the main air duct (101). The left and right side inner walls of the main air duct (101) are fixedly provided with limiting baffles (3). The number of the limiting baffles (3) is multiple and they are arranged at equal intervals and correspond to the cold air grooves (102). The left and right side inner walls of the main air duct (101) are rotatably provided with closed cover plates (4). The closed cover plates (4) are located on one side of the cold air grooves (102). The limiting baffles (3) are located on the front and back sides of the closed cover plates (4). The moving end of the top of the closed cover plates (4) is attached to the limiting baffles (3). The number of the closed cover plates (4) is multiple and they are arranged at equal intervals. The rotating end surface of the driving assembly (2) is screw-mounted with a control push plate (5). The turning ends on the two sides of the control push plate (5) are correspondingly arranged with the closed cover plates (4).

2. The air exchange structure of the air-cooled refrigerator according to claim 1, wherein The driving assembly (2) comprises a servo motor (201), a screw rod (202) and a guide column (203). The servo motor (201) is fixedly installed on the top of the main air duct (101). The output end of the servo motor (201) penetrates through the top of the main air duct (101) and is fixedly connected with the screw rod (202). The screw rod (202) is rotatably installed in the inside of the main air duct (101). The guide column (203) is fixedly installed in the inside of the main air duct (101) and is attached to the surface of the control push plate (5).

3. The air exchange structure of the cabinet according to claim 1, wherein The limiting baffle (3) comprises an upper baffle (301) and a lower baffle (302). The upper baffle (301) is fixedly installed on the inner wall of the main air duct (101) and is located above the closed cover plate (4). The upper baffle (301) is L-shaped and its bottom end is a smooth arc surface. The lower baffle (302) is fixedly installed on the inner wall of the main air duct (101) and is located below the rotating part of the closed cover plate (4) and the main air duct (101). The lower baffle (302) is L-shaped.

4. The air exchange structure of the cabinet according to claim 1, wherein The closed cover plate (4) comprises a cover (401), a plug plate (402), a spring (403), a jacking rod (404) and a sliding rod (405). The cover (401) is rotatably installed in the inside of the main air duct (101). The side of the cover (401) close to the left and right side inner walls of the main air duct (101) is fixedly provided with the plug plate (402). The top of the cover (401) is fixedly connected with the spring (403). The top end of the spring (403) is fixedly installed with the jacking rod (404). The bottom of the jacking rod (404) is fixedly connected with the sliding rod (405) which is slidingly and telescopically arranged with the top of the cover (401).

5. The air cooling cabinet according to claim 4, wherein, The front and rear sides of the cover (401) are fixedly provided with columns, the number of the columns is two groups, the lower columns are rotationally connected with the inner walls of the front and rear sides of the main air duct (101), and the upper columns are correspondingly provided with the limiting baffle (3).

6. The air exchange structure of the cabinet according to claim 1, wherein The regulating push plate (5) comprises a bottom plate (501), a supporting seat (502), a pressing plate (503) and a torsion spring (504), the bottom plate (501) is screwedly installed on the rotating end surface of the driving assembly (2), the left and right sides of the top of the bottom plate (501) are fixedly provided with the supporting seats (502), the top of the bottom plate (501) is rotationally provided with the pressing plate (503), one end of the pressing plate (503) close to the closing cover plate (4) is arc-shaped, and the rotating position of the pressing plate (503) and the supporting seat (502) is provided with the torsion spring (504).

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