Electric heating glass door of refrigerated cabinet

By installing brush cleaning components and seals on the electric heating glass door of the refrigeration cabinet, the problems of water droplets on the glass door and the countercurrent of the air conditioner on the glass door are solved, and the normal opening of the glass door and the improvement of the equipment performance are achieved.

CN222598173UActive Publication Date: 2025-03-11DELSON TECH (DALIAN) CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202420385640.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-29
Publication Date
2025-03-11
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

After heating and defrosting of existing refrigerator electric heating glass doors, water droplets are prone to adhere to the glass doors, causing the water droplets to freeze, which in turn affects the opening of the glass doors, and the countercurrent of the air conditioner affects the performance of the fan and electric heating wire.

Method used

An electric heating glass door of a refrigerator cabinet is designed. By installing a brush cleaning assembly and a seal on the door frame, the brush cleaning assembly includes a slider, a brush plate and an electric telescopic rod to clean the water droplets on the glass plate; the seal is installed in the air outlet hole on the inner wall of the square frame, and the air outlet hole is opened when the air intake assembly is working, and sealed when it stops working to prevent the air conditioner from flowing against the flow.

Benefits of technology

Effectively clean the water droplets on the glass door to prevent the water droplets from freezing, and ensure the normal opening of the glass door; prevent the countercurrent of air conditioners through seals, and improve the performance of the fan and electric heating wire.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222598173U_ABST
    Figure CN222598173U_ABST
Patent Text Reader

Abstract

The utility model discloses an electric heating glass door of a refrigerated cabinet, and relates to the technical field of refrigerated cabinets and accessories of the refrigerated cabinets. The glass plate cleaning device comprises a door frame and a glass plate, the glass plate is embedded in the center of the door frame, a sliding groove is formed in the inner wall of the door frame on the rear side of the glass plate, a cleaning and brushing assembly is installed in the sliding groove and comprises a sliding plate, a brushing plate and an electric telescopic rod, and the front side wall of the sliding plate makes contact with the rear side wall of the glass plate through the brushing plate. Electric telescopic rods are mounted at the two ends of the upper side wall of the sliding plate; a square frame is embedded in the inner wall of the door frame on the front side of the glass plate, and the two ends of the upper side wall of the square frame are each provided with an air inlet assembly. Water drops in an attached state or a dripping state on the glass plate can be brushed through the brushing assembly installed on the door frame to keep the surface of the glass plate clean and tidy, and the sealing piece is installed in the air outlet hole in the inner wall of the square frame, so that the air outlet hole is in an open state when the air inlet assembly works, and the air outlet hole is closed when the air inlet assembly does not work.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigerators and accessories thereof, in particular to an electrically heated glass door of a refrigerator. Background Art

[0002] Refrigerator is one of the most common refrigeration equipment at this stage. Using refrigerator to store food and other items can effectively increase the storage time. Refrigerator is mainly composed of four parts: cabinet body, glass door, refrigeration mechanism and heat dissipation mechanism. There is also a heating structure installed on the glass door of the refrigerator to prevent frost and condensation on the glass door.

[0003] Existing document CN219638694U-An anti-condensation electric heating glass door, an anti-condensation electric heating glass door, comprising a door frame, a tempered glass is arranged in the middle of the door frame, a convenient disassembly and maintenance component is arranged inside one side of the door frame, a squeeze switch is arranged at the upper end of the inner part of the door frame, a heating wire is arranged at the bottom end of the squeeze switch, a blowing defrost component is arranged on one side of the heating wire, and a controller is arranged at the upper end of the side of the door frame away from the squeeze switch; the utility model can heat the drawn air when the equipment is heated by arranging the blowing defrost component, and then evenly discharge the heated air to defrost the glass door to prevent condensation, improve the uniformity of the equipment defrosting, ensure the use effect of the equipment, improve the work quality, and conveniently replace and clean the filter screen to improve the cleanliness of the equipment, and by arranging the convenient disassembly and maintenance component, the service life of the equipment is increased, the stability of the equipment operation is ensured, and the defrosting effect is improved. However, it still has the following disadvantages in actual use:

[0004] 1. The above-mentioned anti-condensation electric heating glass door is provided with a fan and an electric heating wire. The glass door is heated by the electric heating wire, and then the heat is dispersed by the fan. However, after the glass door is heated to defrost and prevent condensation, some water droplets will adhere to the glass door, which will appear in an attached state or dripping state, and then accumulate on or at the bottom of the glass door. When the door is closed, the water droplets will freeze at the bottom of the glass door, and it is still difficult to open the glass door after heating and blowing again;

[0005] 2. The above-mentioned anti-condensation electrically heated glass door is provided with an exhaust pipe, a vertical pipe, a connecting pipe and an air guide pipe, and the chamber where the fan and the heating wire are located is connected with the chamber where the glass door is located through the above-mentioned pipes. When the glass door is closed, that is, the fan and the heating wire are not working, the cold air in the refrigerator will flow back along the above-mentioned pipes and enter the chamber where the fan and the heating wire are located, thereby seriously affecting the performance of the fan and the heating wire. Utility Model Content

[0006] The utility model aims to provide an electrically heated glass door for a refrigerator, wherein a cleaning brush assembly installed on a door frame can be used to clean water droplets attached to or dripping on a glass plate to keep the surface of the glass plate clean, and a sealing member is installed in an air outlet hole on the inner wall of a square frame, so that the air outlet hole is in an open state when the air inlet assembly is working, and is closed when the air inlet assembly is not working, thereby solving the problems of the above-mentioned anti-condensation electrically heated glass door.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model discloses an electrically heated glass door for a refrigerator, comprising a door frame and a glass plate, wherein the glass plate is inlaid at the center of the door frame, a slide groove is provided on the inner wall of the door frame at the rear side of the glass plate, a cleaning brush assembly is installed in the slide groove, and the cleaning brush assembly comprises a slide plate, a brush plate and an electric telescopic rod, wherein the front side wall of the slide plate contacts the rear side wall of the glass plate through the brush plate, and the electric telescopic rods are installed at both ends of the upper side wall of the slide plate;

[0009] A square frame is inlaid on the inner wall of the door frame on the front side of the glass plate, an air intake assembly is installed on both ends of the upper side wall of the square frame, an air outlet is opened on the inner side wall of the square frame, and a seal is provided on the air outlet. Fan blades are installed on the rotating shaft of the motor in the air intake assembly, and an electric heating rod is installed on the fixing plate on the rear side wall of the motor.

[0010] Furthermore, a top hole is provided on the top side wall of the door frame, and the top hole is communicated with the slide groove, a water flow groove is provided at the bottom of the slide groove, and the water flow groove at the bottom of the slide groove passes through the right side wall of the door frame, and a plug plate is plugged on the water flow groove outlet at the bottom of the right side wall of the door frame.

[0011] Furthermore, the tops of the left and right side walls of the slide are connected to the electric telescopic rod in the cleaning and brushing assembly through bolts, and the inner side wall of the slide is slidably connected to the two ends of the slide plate in the cleaning and brushing assembly.

[0012] Furthermore, a storage groove is provided on the inner wall of the door frame of the front side wall of the glass plate, and front holes are provided above the left and right ends of the storage groove, and the front holes are communicated with the storage groove.

[0013] Furthermore, the door frame is clamped with the outer peripheral side wall of the square frame through the storage groove, and the door frame is clamped with the air intake assembly through the front hole. An air groove is opened inside the square frame, and an air inlet is opened on the top side wall of the square frame, and the air groove is connected with the front hole on the top of the square frame through the air inlet.

[0014] Furthermore, there are a plurality of air outlet holes on the inner wall of the square frame, and the air outlet holes are arranged at equal intervals, and the air outlet holes and the sealing members are arranged one-to-one. The sealing member is composed of a spring and a sealing block. The outer wall of the sealing block cooperates with the inner wall of the air outlet, and the rear wall of the sealing block is bonded to the inner wall of the air groove through a spring.

[0015] Furthermore, the square frame is connected to the air intake assembly through the front hole, the motor in the air intake assembly is arranged in the front hole on the front side of the storage groove, and the motor is connected to the inner wall of the front hole through the frame, the inner wall of the front hole on the rear side of the storage groove is threadedly connected to the fixing plate, and the front side wall of the fixing plate is installed with an electric heating rod.

[0016] Furthermore, the end side wall of the motor shaft of the motor is connected to the center of the blocking plate through a bearing, and the outer peripheral side wall of the blocking plate is clamped with the inner wall of the front hole. A plurality of through holes are provided on the blocking plate, and the internal chamber of the front hole is connected to the external environment of the door frame through the blocking plate.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model provides a cleaning brush component and a door frame. The cleaning brush component is arranged in the door frame on the rear side of the glass plate, and is composed of a slide plate, a brush plate and an electric telescopic rod. The slide plate is driven up and down by the electric telescopic rod, and the rear side wall of the slide plate contacts the glass plate through the brush plate, that is, the brush plate can be pushed by the electric telescopic rod to scrape up and down on the glass plate, thereby cleaning the water droplets in an attached state or a dripping state, so that the water droplets enter the water trough at the bottom of the door frame, and the effect of cleaning the accumulated water in this part is achieved by pulling out the plug plate on the water trough.

[0019] 2. The utility model provides a square frame and an air intake assembly. The square frame is embedded in the door frame on the front side of the glass plate, and the square frame is also connected to the air intake assembly. Hot air is blown to the internal air groove of the square frame through the air intake assembly. When the air pressure in the air groove is relatively high, it will push the sealing block on the sealing member embedded on the inner wall thereof to separate from the air outlet of the square frame. At that time, the hot air will flow out from the air outlet to achieve the effect of heating the glass plate. When the air intake assembly stops working, the air pressure in the square frame gradually tends to be stable, and then the sealing block in the sealing member is retracted into the air outlet on the square frame again under the traction of the spring to achieve the purpose of sealing the square frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0021] Figure 1 A schematic diagram of the structure of an electrically heated glass door for a refrigerator Figure 1 ;

[0022] Figure 2 A schematic diagram of the structure of an electrically heated glass door for a refrigerator Figure 2 ;

[0023] Figure 3 This is a structural disassembly diagram of an electrically heated glass door of a refrigerator;

[0024] Figure 4 It is a structural cross-sectional view of a square frame;

[0025] Figure 5 A schematic diagram of the structure of the air intake assembly.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1. Door frame; 101. Top hole; 102. Plug plate; 103. Slide groove; 104. Storage groove; 105. Front hole; 2. Glass plate; 3. Square frame; 301. Air inlet; 302. Air groove; 303. Air outlet; 4. Seal; 401. Spring; 402. Sealing block; 5. Air inlet assembly; 501. Motor; 502. Frame; 503. Fan blade; 504. Blocking plate; 505. Fixing plate; 506. Electric heating rod; 6. Cleaning brush assembly; 601. Slide plate; 602. Brush plate; 603. Electric telescopic rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] See also Figure 2 and Figure 3 As shown, the utility model is an electrically heated glass door of a refrigerator, comprising a door frame 1 and a glass plate 2, wherein the glass plate 2 is inlaid at the center of the door frame 1, a slide groove 103 is provided on the inner wall of the door frame 1 at the rear side of the glass plate 2, a cleaning brush assembly 6 is installed in the slide groove 103, and the cleaning brush assembly 6 comprises a slide plate 601, a brush plate 602 and an electric telescopic rod 603, wherein the front side wall of the slide plate 601 contacts the rear side wall of the glass plate 2 through the brush plate 602, and the electric telescopic rods 603 are installed at both ends of the upper side wall of the slide plate 601;

[0030] A top hole 101 is provided on the top side wall of the door frame 1, and the top hole 101 is communicated with the slide 103, a water flow groove is provided at the bottom of the slide 103, and the water flow groove at the bottom of the slide 103 passes through the right side wall of the door frame 1, and a plug plate 102 is provided on the water flow groove outlet at the bottom of the right side wall of the door frame 1; the tops of the left and right side walls of the slide 103 are connected to the electric telescopic rod 603 in the cleaning brush assembly 6 by bolts, and the inner side wall of the slide 103 is slidably connected to the two ends of the slide plate 601 in the cleaning brush assembly 6 for the installation of the cleaning brush assembly 6; a storage groove 104 is provided on the inner wall of the door frame 1 of the front side wall of the glass plate 2, and front holes 105 are provided above the left and right ends of the storage groove 104, and the front holes 105 are communicated with the storage groove 104, and the storage groove 104 is used for the installation of the square frame 3;

[0031] When the above arrangement is in use, the electric telescopic rod 603 drives the slide plate 601 to move up and down, and the rear side wall of the slide plate 601 contacts the glass plate 2 through the brush plate 602, that is, the electric telescopic rod 603 can push the brush plate 602 to scrape back and forth on the glass plate 2, thereby cleaning the attached or dripping water droplets on the glass plate 2, so that they enter the water trough at the bottom of the door frame 1, and the plug plate 102 on the water trough is pulled out to clean the accumulated water.

[0032] Among them Figure 1 , Figure 4 and Figure 5 As shown, a square frame 3 is inlaid on the inner wall of the door frame 1 on the front side of the glass plate 2, and an air intake assembly 5 is installed at both ends of the upper side wall of the square frame 3. An air outlet hole 303 is opened on the inner side wall of the square frame 3, and a sealing member 4 is provided on the air outlet hole 303. A fan blade 503 is installed on the rotating shaft of the motor 501 in the air intake assembly 5, and an electric heating rod 506 is installed on the fixing plate 505 on the rear side wall of the motor 501;

[0033] The door frame 1 is clamped with the outer peripheral side wall of the square frame 3 through the storage groove 104, and the door frame 1 is clamped with the air intake component 5 through the front hole 105. An air groove 302 is provided inside the square frame 3, and an air inlet 301 is provided on the top side wall of the square frame 3, and the air groove 302 is communicated with the front hole 105 on the top of the square frame 3 through the air inlet 301; there are a plurality of air outlet holes 303 on the inner side wall of the square frame 3, and the air outlet holes 303 are arranged at equal intervals, and the air outlet holes 303 and the sealing member 4 are arranged one by one. The sealing member 4 is composed of a spring 401 and a sealing block 402. The outer side wall of the sealing block 402 cooperates with the inner wall of the air outlet hole 303, and the rear side wall of the sealing block 402 is bonded to the inner side wall of the air groove 302 through the spring 401, so that the sealing block 402 can move back and forth on the air outlet hole 303 under the action of the spring 401;

[0034] The square frame 3 is connected to the air intake assembly 5 through the front hole 105, and the motor 501 of the air intake assembly 5 is arranged in the front hole 105 on the front side of the storage groove 104, and the motor 501 is connected to the inner wall of the front hole 105 through the frame 502, and the inner wall of the front hole 105 on the rear side of the storage groove 104 is threadedly connected to the fixing plate 505, and the front side wall of the fixing plate 505 is installed with an electric heating rod 506 for heating air; the end side wall of the motor shaft of the motor 501 is connected to the center of the blocking plate 504 through a bearing, and the outer peripheral side wall of the blocking plate 504 is clamped with the inner side wall of the front hole 105, and a plurality of through holes are arranged on the blocking plate 504, and the blocking plate 504 is used to prevent external debris from entering the front hole 105, and the internal chamber of the front hole 105 is connected with the external environment of the door frame 1 through the blocking plate 504, and the front hole 105 is used to store and install the air intake assembly 5;

[0035] When the above arrangement is in use, the air intake component 5 works, wherein the motor 501 drives the fan blades 503 to rotate, and the air outside the door frame 1 is sucked into the front hole 105 on the door frame 1, and then this part of the air is heated by the electric heating rod 506, and the hot air enters the air groove 302 in the square frame 3 through the air inlet 301, that is, the hot air is blown to the air groove 302 inside the square frame 3, and then the air pressure in the air groove 302 gradually increases, and then under the action of this part of the air pressure, the sealing block 402 on the sealing member 4 embedded on the inner wall of the square frame 3 will be pushed to separate from the air outlet 303 of the square frame 3, and then the hot air will flow out from the air outlet 303, so as to achieve the effect of blowing hot air to the glass plate 2 to achieve heating, and when the air intake component 5 stops working, the air pressure in the square frame 3 gradually tends to be stable, and then the sealing block 402 in the sealing member 4 is retracted into the air outlet 303 on the square frame 3 again under the traction of the spring 401 to seal the square frame 3.

[0036] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. An electrically heated glass door for a refrigerator, comprising a door frame (1) and a glass plate (2), wherein the glass plate (2) is embedded in the center of the door frame (1), and characterized in that: A slide groove (103) is provided on the inner wall of the door frame (1) at the rear side of the glass plate (2), a cleaning brush assembly (6) is installed in the slide groove (103), the cleaning brush assembly (6) comprises a slide plate (601), a brush plate (602) and an electric telescopic rod (603), the front side wall of the slide plate (601) is in contact with the rear side wall of the glass plate (2) through the brush plate (602), and the electric telescopic rods (603) are installed at both ends of the upper side wall of the slide plate (601); A square frame (3) is inlaid on the inner wall of the door frame (1) on the front side of the glass plate (2), an air intake assembly (5) is respectively installed at both ends of the upper side wall of the square frame (3), an air outlet hole (303) is opened on the inner side wall of the square frame (3), and a sealing member (4) is arranged on each of the air outlet holes (303), a fan blade (503) is installed on the rotating shaft of the motor (501) in the air intake assembly (5), and an electric heating rod (506) is installed on the fixing plate (505) on the rear side wall of the motor (501).

2. The electrically heated glass door of a refrigerator according to claim 1, characterized in that: The top side wall of the door frame (1) is provided with a top hole (101), and the top hole (101) is communicated with a slide groove (103), the bottom of the slide groove (103) is provided with a water flow groove, and the water flow groove at the bottom of the slide groove (103) passes through the right side wall of the door frame (1), and a plug plate (102) is plugged on the water flow groove outlet at the bottom of the right side wall of the door frame (1).

3. The electrically heated glass door of a refrigerator according to claim 2, characterized in that: The tops of the left and right side walls of the slide groove (103) are connected to the electric telescopic rod (603) in the cleaning and brushing assembly (6) through bolts, and the inner side wall of the slide groove (103) is slidably connected to the two ends of the slide plate (601) in the cleaning and brushing assembly (6).

4. The electrically heated glass door of a refrigerator according to claim 1, characterized in that: A storage groove (104) is provided on the inner wall of the door frame (1) of the front side wall of the glass plate (2), and front holes (105) are provided above the left and right ends of the storage groove (104), and the front holes (105) are connected to the storage groove (104).

5. The electrically heated glass door of a refrigerator according to claim 4, characterized in that: The door frame (1) is clamped with the outer peripheral side wall of the square frame (3) through the storage groove (104), and the door frame (1) is clamped with the air intake assembly (5) through the front hole (105). An air groove (302) is provided inside the square frame (3), and an air inlet (301) is provided on the top side wall of the square frame (3), and the air groove (302) is connected to the front hole (105) at the top of the square frame (3) through the air inlet (301).

6. The electrically heated glass door of a refrigerator according to claim 5, characterized in that: A plurality of air outlet holes (303) are provided on the inner side wall of the square frame (3), and the air outlet holes (303) are arranged at equal intervals. The air outlet holes (303) and the sealing member (4) are arranged in a one-to-one correspondence. The sealing member (4) is composed of a spring (401) and a sealing block (402). The outer side wall of the sealing block (402) cooperates with the inner wall of the air outlet hole (303), and the rear side wall of the sealing block (402) is bonded to the inner side wall of the air groove (302) via the spring (401).

7. The electrically heated glass door of a refrigerator according to claim 5, characterized in that: The square frame (3) is connected to the air intake assembly (5) via the front hole (105); a motor (501) in the air intake assembly (5) is arranged in the front hole (105) on the front side of the storage groove (104); the motor (501) is connected to the inner wall of the front hole (105) via a frame (502); the inner wall of the front hole (105) on the rear side of the storage groove (104) is threadedly connected to the fixing plate (505); and an electric heating rod (506) is installed on the front wall of the fixing plate (505).

8. The electrically heated glass door of a refrigerator according to claim 7, characterized in that: The end side wall of the motor shaft of the motor (501) is connected to the center of the blocking disk (504) through a bearing, and the outer peripheral side wall of the blocking disk (504) is engaged with the inner side wall of the front hole (105). The blocking disk (504) is provided with a plurality of through holes, and the internal chamber of the front hole (105) is connected to the external environment of the door frame (1) through the blocking disk (504).

Citation Information

Patent Citations

  • Anti-condensation electric heating glass door

    CN219638694U