A defrosting device for a freezer

Abstract

The utility model discloses a defrosting device for a freezer, and the utility model relates to the technical field of defrosting devices, including a freezer, a defrosting device is arranged on one side of the freezer, a motor is arranged on one side of the freezer, a screw rod is connected to one side of the motor, a guide rod A is arranged below the inside of the freezer, a threaded block is meshed and sleeved on the outside of the screw rod, a guide block A is slidably sleeved on the outside of the guide rod A, a roller is arranged between the guide block A and the threaded block, mounting blocks are fixedly arranged on both upper and lower ends of the roller, trapezoidal slots are arranged on both sides of the inside of the mounting block, a guide rod C is arranged inside the trapezoidal slot, a movable block is arranged at one end of the inside of the trapezoidal slot, an insert block is fixedly arranged at one end of the movable block, and a guide block C sleeved on the outside of the guide rod C is arranged on one side of the movable block. The utility model improves the efficiency of defrosting by scraping the inner wall to defrost.

Description

Technical Field

[0001] The utility model relates to the technical field of defrosting devices, in particular to a defrosting device for a freezer. Background Art

[0002] A freezer is a facility that uses various equipment for cooling and can be artificially controlled to maintain a stable low temperature. It can be divided into large freezers and small freezers according to their individual sizes. When a small freezer is working, frost forms on the surface of its internal air cooler, which hinders the normal operation of the air cooler. When the thickness of the frost layer on the surface of the air cooler reaches a certain level, the refrigeration efficiency may even drop significantly, resulting in a large waste of electricity and shortening the service life of the refrigeration system. Therefore, it is necessary to defrost the cold storage within an appropriate period of time.

[0003] For example, patent No. CN202020015600.6 discloses a defrosting device for a freezer, whose structure includes a freezer body, a top shell and a cold air blower body, a defrosting mechanism is arranged inside the freezer body, the top shell is installed above the freezer body, a motor is bolted to the right side of the top shell, a first belt pulley and a first threaded rod are bolted to the output shaft of the motor in sequence, a second belt pulley is connected to the rear of the first belt pulley through a belt drive, a second threaded rod is clamped to the left side of the second belt pulley, and the first threaded rod and the second threaded rod are both rotatably connected to the inner wall of the top shell. The surfaces of the first threaded rod and the second threaded rod are respectively threadedly connected with the first sliding plate and the second sliding plate, and transverse grooves are provided on both sides of the top of the freezer body. The number of the defrosting mechanisms is two and they are arranged front and back. The utility model can synchronously defrost the cold air fans on both sides of the small freezer, thereby improving the working efficiency and reducing the influence of the difference in defrosting effect on the performance of the cold air fans on both sides. It solves the problem that when the cold air fans on both sides of the small freezer are defrosted, the defrosting work cannot be performed synchronously, resulting in a large difference in the defrosting effect of the cold air fans on both sides, which affects the working performance of the cold air fans on both sides.

[0004] The defrosting device in the patent only defrosts the inside of the freezer, but cannot properly handle the frost formed on the inner wall of the freezer, has certain limitations, and the defrosting effect is not perfect. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a defrosting device for a freezer, which solves the problem that the defrosting device only defrosts the inside of the freezer, but cannot properly handle the frost formed on the inner wall of the freezer, has certain limitations, and the defrosting effect is not perfect.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a defrosting device for a freezer, comprising a freezer, a defrosting device is arranged on one side of the freezer, a motor is arranged on one side of the interior of the freezer, a screw rod is connected to one side of the motor, a guide rod A is arranged at the lower part of the interior of the freezer, a threaded block is meshedly sleeved on the outside of the screw rod, a guide block A is slidably sleeved on the outside of the guide rod A, a roller is arranged between the guide block A and the threaded block, mounting blocks are fixedly arranged at both upper and lower ends of the roller, trapezoidal slots are arranged on both sides of the interior of the mounting block, a guide rod C is arranged inside the trapezoidal slot, a movable block is arranged at one end of the interior of the trapezoidal slot, an insertion block is fixedly arranged at one end of the movable block, and the A guide block C sleeved on the outside of the guide rod C is provided on one side of the movable block, a spring B located inside the trapezoidal slot is provided on one end of the movable block, a defrost scraper is sleeved on the outside of the roller, slide grooves are provided on both sides of the inside of the defrost scraper, a guide rod B is provided inside the slide groove, a guide block B is slidably sleeved on the outside of the guide rod B, a spring A sleeved on the outside of the guide rod B is provided on one side of the guide block B, a connecting rod is fixedly provided on one end of the guide block B, a trapezoidal block is fixedly provided on one side of the connecting rod, the trapezoidal block is inserted into the trapezoidal slot, a movable rod is provided on one end of the connecting rod, a movable shaft is movably connected between the movable rod and the connecting rod, a slot is provided inside the movable rod, and the plug block is inserted into the slot.

[0007] Preferably, a slot is provided inside the guide block A, and a block is fixedly provided on the lower end surface of the roller, and the block is inserted into the slot.

[0008] Preferably, an air cooler is provided inside the defrosting device, and a transverse pipe is provided above the air cooler.

[0009] Preferably, a stirring mechanism is provided inside the defrost device, and a spray mechanism located on one side of the interior of the freezer is provided above the defrost device.

[0010] Preferably, exhaust structures are provided on both sides of the freezer, and dust covers are sleeved on the outside of the exhaust structures.

[0011] Preferably, the four end feet of the lower end surface of the freezer are all fixedly provided with support blocks, and the lower end surfaces of the four support blocks are all provided with anti-slip pads.

[0012] Preferably, cabinet doors are provided on both sides of the front end surface of the freezer, and hinges are movably connected between the cabinet doors and the freezer.

[0013] Beneficial Effects

[0014] The utility model provides a defrosting device. Compared with the prior art, it has the following beneficial effects:

[0015] The defrost scraper is sleeved on the outside of the roller, and the connecting rod is pushed to one side so that it slides through the guide block B, one end of which is sleeved on the outside of the guide rod B, so that the trapezoidal block on one side of the connecting rod is aligned with the trapezoidal slot inside the mounting block at one end of the roller to snap it in. At the same time, the movable block inside the trapezoidal slot will be squeezed to one end by it, so that the movable block drives the plug block at one end to move to one end at the same time. At this time, the movable shaft is flipped and folded to one end of the mounting block. At the same time, the plug block is just inserted into the slot inside the movable rod to fix it, and the installation of the defrost scraper is completed. The block on the lower end face of the roller is then inserted into the slot inside the guide block A. At this time, the motor is operated to rotate the screw rod on one side, and the threaded block engaged and sleeved on the outside of the screw rod is displaced. At the same time, the defrost scraper is also moved inside the freezer to scrape the inner wall for defrosting, thereby improving the defrosting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of a three-dimensional cross-sectional structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 A schematic diagram of a partially enlarged structure at cross section A;

[0019] Figure 4 For this utility model Figure 3 Schematic diagram of the local enlarged structure at cross section B.

[0020] In the figure: 1. freezer; 2. defrosting device; 3. exhaust structure; 4. air cooler; 5. motor; 6. screw; 7. guide rod A; 8. threaded block; 9. roller; 10. defrosting scraper; 11. guide block A; 12. slot; 13. block; 14. mounting block; 15. slide; 16. guide rod B; 17. spring A; 18. guide block B; 19. connecting rod; 20. trapezoidal slot; 21. spring B; 22. guide rod C; 23. guide block C; 24. movable block; 25. plug-in block; 26. movable rod; 27. slot; 28. movable shaft; 29. ​​trapezoidal block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. 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.

[0022] See also Figure 1-4 The utility model provides a technical solution: a defrosting device for a freezer, comprising a freezer 1, a defrosting device 2 is arranged on one side of the freezer 1, a motor 5 is arranged on one side of the freezer 1, a screw rod 6 is connected to one side of the motor 5, a guide rod A7 is arranged at the lower part of the freezer 1, a threaded block 8 is meshed and sleeved on the outside of the screw rod 6, a guide block A11 is slidably sleeved on the outside of the guide rod A7, a roller 9 is arranged between the guide block A11 and the threaded block 8, a mounting block 14 is fixedly arranged at both upper and lower ends of the roller 9, a trapezoidal slot 20 is arranged on both sides of the mounting block 14, and a trapezoidal slot 20 is arranged on both sides of the inside of the mounting block 14. A guide rod C22 is provided inside the slot 20, a slot 12 is provided inside the guide block A11, a block 13 is fixedly provided on the lower end surface of the roller 9, the block 13 is inserted into the slot 12, an air cooler 4 is provided inside the defrosting device 2, a horizontal pipe is provided above the air cooler 4, firstly, the defrosting scraper 10 is sleeved on the outside of the roller 9, and then the connecting rod 19 is moved to one side so that it slides through the guide block B18 sleeved on the outside of the guide rod B16 at one end, so that the trapezoidal block 29 on one side of the connecting rod 19 is aligned with the trapezoidal slot 20 inside the mounting block 14 at one end of the roller 9 to insert it;

[0023] A movable block 24 is provided at one end of the trapezoidal slot 20, an insert block 25 is fixedly provided at one end of the movable block 24, a guide block C23 sleeved on the outside of the guide rod C22 is provided on one side of the movable block 24, a spring B21 located inside the trapezoidal slot 20 is provided at one end of the movable block 24, a defrost scraper 10 is sleeved on the outside of the roller 9, a slide groove 15 is provided on both sides of the inside of the defrost scraper 10, a guide rod B16 is provided inside the slide groove 15, and the outside of the guide rod B16 slides A guide block B18 is sleeved, a stirring mechanism is arranged inside the defrosting device 2, a spray mechanism is arranged above the defrosting device 2 and is located on one side of the inside of the freezer 1, exhaust structures 3 are arranged on both sides of the freezer 1, and a dust cover is sleeved on the outside of the exhaust structure 3. When the movable block 24 inside the trapezoidal slot 20 is inserted, it will be squeezed to one end, so that the movable block 24 drives the plug-in block 25 at one end to move to one end at the same time, and at this time, the flipping movement of the movable shaft 28 is performed;

[0024] A spring A17 sleeved on the outside of the guide rod B16 is provided on one side of the guide block B18, a connecting rod 19 is fixedly provided on one end of the guide block B18, a trapezoidal block 29 is fixedly provided on one side of the connecting rod 19, the trapezoidal block 29 is inserted into the trapezoidal slot 20, a movable rod 26 is provided at one end of the connecting rod 19, a movable shaft 28 is movably connected between the movable rod 26 and the connecting rod 19, a slot 27 is provided inside the movable rod 26, and the insert block 25 is inserted into the slot 27, the four end feet of the lower end surface of the freezer 1 are fixedly provided with support blocks, the lower end surfaces of the four support blocks are provided with anti-slip pads, cabinet doors are provided on both sides of the front end surface of the freezer 1, and a hinge is movably connected between the cabinet door and the freezer 1, so that the movable rod 26 is folded and located at one end of the mounting block 14, and at the same time, the insert block 25 is just inserted into the slot 27 inside the movable rod 26 for fixing to complete the installation of the defrost scraper 10.

[0025] When working, firstly, the defrosting scraper 10 is sleeved on the outside of the roller 9, and then the connecting rod 19 is pushed to one side so that it slides through the guide block B18 sleeved on the outside of the guide rod B16 at one end, so that the trapezoidal block 29 on one side of the connecting rod 19 is aligned with the trapezoidal slot 20 inside the mounting block 14 at one end of the roller 9 to snap it in. At the same time, the movable block 24 inside the trapezoidal slot 20 will be squeezed to one end by it, so that the movable block 24 drives the plug-in block 25 at one end to move to one end at the same time. At this time, the movable rod 26 is moved by the flipping movement of the movable shaft 28. The fold is located at one end of the mounting block 14. At the same time, the insert block 25 is just inserted into the slot 27 inside the movable rod 26 to fix it, and then the block 13 on the lower end face of the roller 9 is inserted into the slot 12 inside the guide block A11. At this time, the motor 5 is operated to make the screw rod 6 on one side rotate, and the threaded block 8 engaged with the outside of the screw rod 6 is displaced. At the same time, the defrost scraper 10 is also moving inside the freezer 1, and the inner wall can be scraped for defrosting, thereby improving the defrosting efficiency.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A defrosting device for a freezer, comprising a freezer (1), characterized in that: A defrosting device (2) is provided on one side of the freezer (1), a motor (5) is provided on one side of the interior of the freezer (1), a screw rod (6) is connected to one side of the motor (5), a guide rod A (7) is provided at the lower part of the interior of the freezer (1), a threaded block (8) is meshedly sleeved on the outside of the screw rod (6), a guide block A (11) is slidably sleeved on the outside of the guide rod A (7), a roller (9) is provided between the guide block A (11) and the threaded block (8), and the roller The upper and lower ends of the mounting block (9) are fixedly provided with mounting blocks (14), both sides of the mounting block (14) are provided with trapezoidal slots (20), the inside of the trapezoidal slot (20) is provided with a guide rod C (22), one end of the trapezoidal slot (20) is provided with a movable block (24), one end of the movable block (24) is fixedly provided with an insert block (25), one side of the movable block (24) is provided with a guide block C (23) sleeved on the outside of the guide rod C (22), and the movable block (24) is provided with a guide block C (23) sleeved on the outside of the guide rod C (22). One end of the roller (24) is provided with a spring B (21) located inside the trapezoidal slot (20), the outside of the roller (9) is sleeved with a defrost scraper (10), both sides of the inside of the defrost scraper (10) are provided with slide grooves (15), the inside of the slide groove (15) is provided with a guide rod B (16), the outside of the guide rod B (16) is slidably sleeved with a guide block B (18), and one side of the guide block B (18) is provided with a spring A (17) sleeved on the outside of the guide rod B (16), A connecting rod (19) is fixedly provided at one end of the guide block B (18), a trapezoidal clamping block (29) is fixedly provided at one side of the connecting rod (19), the trapezoidal clamping block (29) is inserted into the trapezoidal clamping groove (20), a movable rod (26) is provided at one end of the connecting rod (19), a movable shaft (28) is movably connected between the movable rod (26) and the connecting rod (19), a slot (27) is provided inside the movable rod (26), and the insert block (25) is inserted into the slot (27).

2. A defrosting device for a freezer according to claim 1, characterized in that: The guide block A (11) is provided with a slot (12) inside, and a block (13) is fixedly provided on the lower end surface of the roller (9), and the block (13) is inserted into the slot (12).

3. A defrosting device for a freezer according to claim 1, characterized in that: An air cooler (4) is arranged inside the defrosting device (2), and a transverse pipe is arranged above the air cooler (4).

4. A defrosting device for a freezer according to claim 1, characterized in that: A stirring mechanism is arranged inside the defrosting device (2), and a spraying mechanism is arranged above the defrosting device (2) and is located on one side of the interior of the freezer (1).

5. A defrosting device for a freezer according to claim 1, characterized in that: Exhaust structures (3) are provided on both sides of the freezer (1), and dust covers are sleeved on the outside of the exhaust structures (3).

6. A defrosting device for a freezer according to claim 1, characterized in that: The four end feet of the lower end surface of the freezer (1) are all fixedly provided with support blocks, and the lower end surfaces of the four support blocks are all provided with anti-slip pads.

7. A defrosting device for a freezer according to claim 1, characterized in that: Cabinet doors are provided on both sides of the front end surface of the freezer (1), and hinges are movably connected between the cabinet doors and the freezer (1).

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