Freezer capable of preventing frosting

Abstract

The utility model relates to the technical field of freezers, and provides an anti-frosting freezer which comprises a freezer body and a freezer cover, an anti-frosting scraping and brushing square frame is arranged in the freezer body, and the outer sides of front, rear, left and right frames of the anti-frosting scraping and brushing square frame are tightly attached to the front, rear, left and right inner walls in the freezer body in a sliding mode. Lifting driving mechanisms for driving the anti-frosting scraping and brushing square frame to lift are arranged on the inner walls of the left side and the right side in the cabinet body, and a liquid guide mechanism is arranged at the bottom in the cabinet body. According to the freezer, the interior of the freezer body is continuously kept dry through scraping, heating, liquid guiding and water draining mechanisms, and frosting is effectively prevented. Meanwhile, operation stability is guaranteed through the design, convenient use experience is provided, the service life of the freezer is prolonged, and comfort and safety of a user are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerators, in particular to a refrigerator capable of preventing frost. Background Art

[0002] Freezers are common electrical appliances in home and commercial environments, used to store and keep food and other items at low temperatures. However, traditional freezers often face the problem of frosting during use, which can cause ice to form inside, reduce the refrigeration effect, increase energy consumption, and even affect the quality of stored items.

[0003] Problems with existing anti-frost freezers:

[0004] Trouble with manual defrosting: Traditional freezers usually require regular manual defrosting, which is a tedious task for users and is easily overlooked, leading to the gradual accumulation of frost problems.

[0005] Instability and inefficiency: The defrost technology used in some frost-proof freezers may not be efficient enough or may be unstable in actual operation and cannot effectively prevent frost formation continuously.

[0006] Excessive energy consumption: Some traditional freezers may use traditional electric defrosting methods during the anti-frost process, which will increase energy consumption and reduce the energy efficiency ratio of the freezer.

[0007] Frost causes hygiene issues: Frost not only reduces the performance of the freezer, but it can also cause bacteria to grow inside, negatively affecting the stored items.

[0008] Therefore, a new type of freezer design is needed that can automatically and stably prevent the occurrence of frost while maintaining efficient refrigeration, and improve the user experience and energy efficiency ratio. Utility Model Content

[0009] In order to overcome the defects of the prior art, the purpose of the utility model is to provide a freezer that prevents frost.

[0010] To achieve the above-mentioned purpose, the technical solution of the utility model is implemented as follows: a freezer for preventing frost, comprising a cabinet body and a cabinet cover, an anti-frost scraper frame is arranged inside the cabinet body, and the outer sides of the front, rear, left and right frames of the anti-frost scraper frame are tightly slidably fitted on the front, rear, left and right inner walls of the cabinet body, and a lifting drive mechanism for driving the anti-frost scraper frame to rise and fall is arranged on the inner walls on both sides of the left and right sides of the cabinet body, and a liquid guide mechanism is arranged at the bottom of the cabinet body.

[0011] Preferably, the edge of the anti-frost scraper frame is arranged to be an oblique cut where it is attached to the inner wall of the cabinet.

[0012] Preferably, the lifting drive mechanism comprises:

[0013] A driving groove vertically distributed inside the same side wall of the cabinet;

[0014] A reduction motor installed at the bottom of the driving slot;

[0015] A driving screw connected to the output end of the reduction motor;

[0016] A threaded sleeve is threadedly sleeved on the driving screw rod, and the outer tube surface of the threaded sleeve is fixedly connected to the center of the outer side surface of the same side frame of the anti-frost scraper frame.

[0017] Preferably, the liquid guiding mechanism comprises:

[0018] A guide groove is arranged at the corner where the cabinet body is fitted;

[0019] A flow guide channel and a liquid collecting cavity are arranged inside the bottom of the cabinet;

[0020] A liquid discharge valve pipe disposed on one side of the liquid collecting chamber;

[0021] An electric heating tube is installed at the bottom of the cabinet and is distributed parallel to the guide groove.

[0022] Preferably, one end of the diversion channel is connected to the interior of the diversion groove, the other end of the diversion channel leads to the interior of the liquid collecting chamber, and the other end of the drain valve pipe leads to the outside of the cabinet.

[0023] Preferably, two vertically parallel lifting guide rails are provided on the front and rear inner walls of the cabinet, and two guide teeth are provided on the outer sides of the front and rear frames of the anti-frost scraper frame, and the guide teeth on both sides are correspondingly slidably engaged with the inside of the lifting guide rails.

[0024] Preferably, a square frame-shaped storage basket overlapping boss is provided in the cabinet near the edge of the upper inner wall, and the upper end of the storage basket is overlapped on the storage basket overlapping boss.

[0025] Preferably, anti-slip pads are provided at the four corner ends of the bottom of the cabinet.

[0026] The beneficial effects of the utility model are embodied in:

[0027] Prevent frost: The design and operation mechanism of the scraper frame effectively prevents the formation of frost on the inner wall of the cabinet, preventing frost in advance.

[0028] Automatic cleaning: Through the synchronous lifting operation of the lifting drive mechanism, the scraper box continuously removes frost and water vapor from the inner wall, ensuring that the interior of the cabinet always remains dry and extending the service life of the freezer.

[0029] Liquid guidance and drainage: The combination of the liquid guidance mechanism and the electric heating tube ensures that the scraped frost and water vapor are quickly converted into liquid and discharged through the drain valve pipe to avoid water accumulation and further reduce frost.

[0030] In summary, the freezer keeps the interior of the cabinet dry through scraping, heating, liquid conduction and drainage mechanisms, effectively preventing the formation of frost. At the same time, its design ensures operational stability, provides a convenient use experience, extends the life of the freezer, and increases user comfort and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In the attached picture:

[0032] Figure 1 It is a structural schematic diagram of a half-section of the utility model;

[0033] Figure 2 It is a half-cut structure schematic diagram of the anti-frost scraper frame of the utility model;

[0034] Figure 3 It is a structural schematic diagram of the lifting drive mechanism of the utility model;

[0035] Figure 4 This is a schematic diagram of the distribution structure of the liquid guiding mechanism of the utility model;

[0036] Description of reference numerals:

[0037] 1. Cabinet body; 2. Cabinet cover; 3. Storage basket; 4. Anti-frost scraper frame; 5. Lifting drive mechanism; 6. Liquid guide mechanism; 11. Anti-slip pad; 12. Lifting guide rail; 13. Storage basket overlap boss; 41. Guide gear; 51. Drive groove; 52. Reducer motor; 53. Drive screw rod; 54. Threaded sleeve; 61. Guide groove; 62. Guide channel; 63. Liquid collecting chamber; 64. Drain valve pipe; 65. Electric heating pipe. DETAILED DESCRIPTION

[0038] The utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in 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.

[0039] It should be noted that if the utility model embodiments involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0040] In addition, "multiple" means more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0041] Please refer to the instruction manual Figure 1-Figure 4 , the utility model provides a freezer for preventing frost:

[0042] The overall structure of the freezer to prevent frost:

[0043] The freezer comprises a cabinet body 1 and a cabinet cover 2, wherein an anti-frost scraper frame 4 is arranged inside the cabinet body 1.

[0044] Features of the anti-frost wiper box:

[0045] The outer sides of the front, rear, left and right frames of the anti-frost scraper frame 4 slide tightly against the front, rear, left and right inner walls of the cabinet 1, and can effectively scrape off the frost and water vapor that has just begun to condense on the inner wall of the cabinet 1 during its up and down sliding, thereby preventing the occurrence of frost in the early stages.

[0046] The edge of the anti-frost scraper frame 4 is arranged to be obliquely cut at the inner wall of the cabinet 1, so as to improve the effect of scraping off the frost and water vapor that has just condensed during the up and down sliding operation.

[0047] Lifting drive mechanism:

[0048] Lifting drive mechanisms 5 are provided on the inner walls on both sides of the cabinet 1 .

[0049] The lifting drive mechanism 5 includes a drive slot 51 vertically distributed inside the cabinet 1 and inside the side wall.

[0050] A reduction motor 52 is installed at the bottom of the driving groove 51 .

[0051] The output end of the reduction motor 52 is connected to the driving screw 53 .

[0052] A threaded sleeve 54 is threadedly sleeved on the driving screw rod 53, and the outer tube surface of the threaded sleeve 54 is fixedly connected to the center of the outer side surface of the same side frame of the anti-frost scraper frame 4;

[0053] Among them, the reduction motors 52 in the left and right lifting drive mechanisms 5 are started synchronously, thereby synchronously driving the driving screws 53 on the left and right sides to rotate, and then synchronously driving the threaded sleeves 54 on both sides to rise and fall synchronously, thereby driving the entire anti-frost scraper frame 4 to rise and fall and scrape the inner wall of the cabinet 1.

[0054] Fluid conduction mechanism:

[0055] A liquid guiding mechanism 6 is provided at the bottom of the cabinet 1 .

[0056] The liquid guiding mechanism 6 includes a guiding groove 61 arranged at the fitting corners.

[0057] The liquid guiding mechanism 6 further includes a guiding channel 62 and a liquid collecting chamber 63 which are arranged inside the bottom of the cabinet 1 .

[0058] A liquid discharge valve pipe 64 is provided on one side of the liquid collecting chamber 63 .

[0059] An electric heating tube 65 is disposed at the bottom of the cabinet 1 and is parallel to the guide groove 61;

[0060] The frost and water vapor scraped off fall into the guide groove 61, are heated by the electric heating tube 65, and are introduced into the liquid collecting chamber 63 in the guide channel 62, and finally the drain valve tube 64 on one side can be opened for discharge.

[0061] Lifting rail and storage basket design:

[0062] Two vertically parallel lifting guide rails 12 are arranged on the front and rear inner walls of the cabinet 1 .

[0063] Two guide teeth 41 are arranged on the outer sides of the front and rear frames of the anti-frost scraper frame 4, and the guide teeth 41 on both sides are correspondingly slidably engaged with the inside of the lifting guide rail 12;

[0064] The design of the lifting guide rail 12 and the guide teeth 41 can improve the stability of the lifting and scraping operation of the anti-frost scraping frame 4.

[0065] A square frame-shaped storage basket overlap boss 13 is provided near the edge of the upper inner wall, and the upper end of the storage basket 3 is overlapped on the storage basket overlap boss 13;

[0066] The design of the basket overlap boss 13 can prevent the basket 3 from contacting the inner wall of the cabinet 1, thereby preventing the basket 3 from affecting the lifting and scraping operation of the anti-frost scraping frame 4.

[0067] Anti-slip design:

[0068] Anti-slip pads 11 are provided at the four corners of the bottom of the cabinet 1 .

[0069] Anti-frost scraper working process:

[0070] Startup mechanism:

[0071] When the user starts the freezer, the system automatically starts the lifting drive mechanism 5 and the liquid guiding mechanism 6.

[0072] Lifting scraper operation:

[0073] The reduction motor 52 in the lifting drive mechanism 5 is started synchronously to drive the driving screw 53 to rotate.

[0074] The threaded sleeve 54 on the driving screw 53 is synchronously lifted and lowered, driving the anti-frost scraping and brushing frame 4 to continuously lift and scrape on the inner wall of the cabinet 1 .

[0075] Scraping process:

[0076] The outer side of the frame of the anti-frost scraper frame 4 is closely attached to the inner wall of the cabinet 1. Through the design of the oblique cut, the frost and water vapor that have just condensed can be scraped off during the up and down sliding operation to prevent the occurrence of frosting.

[0077] Liquid conduction and heating treatment:

[0078] The scraped frost and water vapor fall into the guide groove 61 and are introduced into the liquid collecting chamber 63 through the guide channel 62 .

[0079] The electric heating tube 65 heats the frost and water vapor in the liquid collecting chamber to melt them into liquid water.

[0080] Open the drain valve pipe 64 to drain the liquid water to prevent water accumulation and frost.

[0081] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

[0082] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0083] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A freezer for preventing frost, comprising a cabinet body (1) and a cabinet cover (2), characterized in that: An anti-frost scraper frame (4) is arranged inside the cabinet (1); the outer sides of the front, rear, left, and right frames of the anti-frost scraper frame (4) are tightly slidably fitted on the front, rear, left, and right inner walls of the cabinet (1); a lifting drive mechanism (5) for driving the anti-frost scraper frame (4) to lift and lower is arranged on both the left and right inner walls of the cabinet (1); and a liquid guide mechanism (6) is arranged at the bottom of the cabinet (1); The liquid guiding mechanism (6) comprises: A guide groove (61) is provided at the fitting corner of the cabinet (1); A flow guide channel (62) and a liquid collecting chamber (63) arranged inside the bottom of the cabinet (1); A liquid discharge valve pipe (64) disposed on one side of the liquid collecting chamber (63); An electric heating tube (65) installed at the bottom of the cabinet (1) and distributed parallel to the guide groove (61).

2. A freezer for preventing frost formation according to claim 1, characterized in that: The edge of the anti-frost scraper frame (4) is arranged to be an oblique cut where it fits against the inner wall of the cabinet (1).

3. The freezer for preventing frost formation according to claim 1, characterized in that: The lifting drive mechanism (5) comprises: A driving groove (51) vertically distributed inside the cabinet (1) and inside the same side wall; A reduction motor (52) installed at the bottom of the driving groove (51); A driving screw (53) connected to the output end of the reduction motor (52); A threaded sleeve (54) is threadedly sleeved on the driving screw rod (53), and an outer tube surface of the threaded sleeve (54) is fixedly connected to the center of the outer side surface of the same side frame of the anti-frost scraping brush frame (4).

4. The freezer for preventing frost formation according to claim 1, characterized in that: One end of the guide channel (62) is connected to the interior of the guide groove (61), the other end of the guide channel (62) leads to the interior of the liquid collecting chamber (63), and the other end of the drain valve pipe (64) leads to the outside of the cabinet (1).

5. The freezer for preventing frost formation according to claim 1, characterized in that: Two vertically parallel lifting guide rails (12) are provided on the front and rear inner walls of the cabinet (1), and two guide teeth (41) are provided on the outer sides of the front and rear frames of the anti-frost scraper frame (4), and the guide teeth (41) on both sides are correspondingly slidably engaged with the inside of the lifting guide rails (12).

6. The freezer for preventing frost formation according to claim 1, characterized in that: A square frame-shaped storage basket lap boss (13) is provided near the upper inner wall edge in the cabinet (1), and the upper end of the storage basket (3) is lapped on the storage basket lap boss (13).

7. The freezer for preventing frost formation according to claim 1, characterized in that: Anti-slip pads (11) are provided at the four corner ends of the bottom of the cabinet (1).

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