Circulating fan for refrigeration cabinet
By employing an adjustable housing structure and threaded rod combination in the refrigeration cabinet fan, the problems of inconvenient fan installation gap adjustment and maintenance are solved, achieving high adaptability and stability.
Patent Information
- Application Number
- CN202423158743.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-20
AI Technical Summary
The existing refrigeration cabinet fan structure lacks a split shell structure, making it impossible to adjust the installation gap. The blades cannot be adjusted in position inside the shell, resulting in poor adaptability and inconvenient maintenance.
The first square shell and the second square shell are combined, and the threaded rod is connected by the mounting plate and the fixing plate. The adjusting threaded cylinder and the limiting cylinder are combined for installation, and the position adjustment and fixation are achieved by the positioning slide and the countersunk hole.
It enables flexible installation and position adjustment of the fan assembly, improves adaptability, facilitates maintenance and cleaning, and enhances rotational stability and locking effect.
Smart Images

Figure CN223855973U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of refrigeration cabinet more specifically, relate to a kind of circulation fan for refrigeration cabinet. BACKGROUND
[0002] In the structure of refrigeration cabinet, circulating fan will be installed to carry out air circulation, to carry out heat dissipation, dehumidification and various functions.
[0003] And the existing refrigeration cabinet fan structure, directly through the fixed frame inside shell to install fan assembly, lack the split shell structure, cannot be adjusted to different installation gap, and blade in the shell, lack the installation screw rod of combination installation, the position of fan assembly cannot be adjusted, it is not conducive to the internal structure cleaning maintenance, poor adaptability, there is room for improvement. UTILITY MODEL CONTENT
[0004] In view of the problems in the prior art, the utility model aims at providing a kind of circulation fan for refrigeration cabinet, by the first square shell connection second square shell, in combination with the first mounting plate and second mounting plate, can telescopic adjust length, beneficial to alignment installation, and by the fixed plate inside connection adjusting plate, in combination with the installation screw rod combination installation adjusting screw cylinder, can be combined installation positioning, beneficial to rotating screw adjustment position, it is convenient to maintain, high adaptability.
[0005] To solve the above problems, the utility model adopts the following technical scheme.
[0006] A kind of circulation fan for refrigeration cabinet, including first square shell, the surface of one end of the first square shell is fixedly connected with first mounting plate, the surface of the other end of the first square shell is slidably installed with second square shell, the surface of one end of the second square shell is fixedly connected with second mounting plate, the surface of the first mounting plate and second mounting plate is equipped with mounting hole, the inside of the first square shell is fixedly connected with fixed plate, the inside of the fixed plate is equipped with avoiding hole, the both ends of the fixed plate are equipped with combination hole, the inside of the combination hole is slidably installed with installation screw rod, the one end of the installation screw rod is fixedly connected with adjusting plate, the inside of the adjusting plate is equipped with installation slot, the inside of the installation slot is combined with fan assembly, the other side surface of the fixed plate is fixedly connected with fixed cylinder, the inside of the fixed cylinder is rotatably installed with adjusting screw cylinder, the adjusting screw cylinder is screw connected on the outer surface of installation screw rod.
[0007] Further, the one end of the adjusting screw cylinder is fixedly connected with limit cylinder, and the limit cylinder is rotatably connected in the inside of the fixed cylinder.
[0008] Further, the fixed cylinder is located at the back position of the fixed plate, and is located at the one end position of the combination hole.
[0009] Furthermore, the adjusting threaded cylinders are symmetrically distributed at both ends of the fixed plate. By adjusting the limiting cylinders connected inside the threaded cylinders, they can be rotated and installed inside the fixed cylinders. This can support and guide the adjusting threaded cylinders, improve the stability of rotation, prevent them from falling off, and facilitate adjustment and use.
[0010] Furthermore, the first square shell has positioning grooves on both sides of its outer edge, and the positioning grooves are located on both sides of the inner edge of the second square shell.
[0011] Furthermore, countersunk holes are provided on both sides of the outer surface of the second square shell, and the countersunk holes are aligned with one end of the positioning groove.
[0012] Furthermore, a positioning screw is installed on the internal thread of the countersunk hole. The end of the positioning screw is tightly connected to one end of the positioning groove. By setting the positioning groove and the countersunk hole, combined with the positioning screw, the alignment adjustment is convenient, the length is easy to lock and fix, and the adaptability is high.
[0013] Compared with existing technologies, the advantages of this utility model are:
[0014] (1) This solution connects the first square shell to the second square shell, and combines the first mounting plate and the second mounting plate to extend and adjust the length, which is convenient for alignment and installation. Furthermore, the internal fixing plate connects to the adjustment plate, and the mounting threaded rod is combined with the adjustment threaded cylinder to install and position it, which is convenient for rotating the threaded adjustment position, making maintenance convenient and highly adaptable.
[0015] (2) By adjusting the internal connecting limit cylinder of the threaded cylinder, it can be rotated and installed inside the fixed cylinder, which can adjust the threaded cylinder support and guide, improve the stability of rotation, prevent it from falling off, and facilitate adjustment and use.
[0016] (3) By setting positioning grooves and countersunk holes, combined with positioning screws, it is convenient to adjust the alignment, easy to lock and fix the length, and highly adaptable. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the internal cross-section of the planar structure of this utility model;
[0019] Figure 3 This is a structural diagram of the adjustment plate and fan assembly of this utility model;
[0020] Figure 4 This is a partial structural diagram of the connection between the adjusting threaded cylinder and the limiting cylinder of this utility model;
[0021] Figure 5 For the utility model Figure 2 A place amplification diagram of positioning screw connection.
[0022] Figure label explanation:
[0023] 1 first square shell, 11 first mounting plate, 12 mounting hole, 13 second square shell, 14 second mounting plate, 15 fixed plate, 16 avoiding hole, 17 combination hole, 18 mounting threaded rod, 2 adjusting plate, 21 installation through slot, 22 fan assembly, 23 fixed cylinder, 24 adjusting threaded cylinder, 25 limit cylinder, 26 positioning sliding slot, 27 counterbore, 28 positioning screw. Specific embodiments
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.
[0025] Please refer to Figure 1 , Figure 2 and Figure 3A circulating fan for a refrigeration cabinet includes a first square housing 1. A first mounting plate 11 is fixedly connected to one end surface of the first square housing 1, and a second square housing 13 is slidably mounted to the other end surface of the first square housing 1. A second mounting plate 14 is fixedly connected to one end of the second square housing 13. The first square housing 1 and the second square housing 13 can be fitted together to form an adjustable structure, facilitating sliding adjustment of the installation length and alignment with different installation gaps. This allows for easy integration into the circulation pipeline of the refrigeration cabinet for efficient and stable circulating ventilation. Mounting holes 12 are provided on the surfaces of both the first mounting plate 11 and the second mounting plate 14. A fixing plate 15 is fixedly connected to one side of the interior of the first square housing 1. The fixing plate 15 has clearance holes 16 inside and combination holes 17 at both ends. A mounting threaded rod 18 is slidably mounted inside the combination holes 17. An adjusting plate 2 is fixedly connected to one end of the mounting threaded rod 18. The adjusting plate 2 has a mounting groove 21 inside, and a fan assembly 22 is assembled inside the mounting groove 21, which can be electrically controlled. The rotating ventilation system facilitates auxiliary heat dissipation and dehumidification, offering high adaptability. A fixed cylinder 23 is fixedly connected to the other side of the fixed plate 15. An adjusting threaded cylinder 24 is rotatably installed inside the fixed cylinder 23. The adjusting threaded cylinder 24 is threadedly connected to the outer surface of the mounting threaded rod 18. During normal installation, the adjusting plate 2 can be positioned against the fixed plate 15, and the fan assembly can be aligned with the clearance hole 16 without interference or misalignment. When cleaning or replacing the internal structure is required, the first square housing 1 and the second square housing 13 can be disassembled, and then the length can be reduced. By rotating the adjusting threaded cylinders 24 on both sides, the mounting threaded rod 18 can be threadedly driven, allowing it to slide and adjust inside the combination hole 17. This allows the adjusting plate 2 to slide inside the first square housing 1, and the fan assembly 22 can extend from the front end of the first square housing 1, facilitating cleaning, maintenance, and replacement while avoiding interference. Then, the adjusting threaded cylinder 24 can be rotated in the opposite direction to adjust the mounting threaded rod 18 in the opposite direction, thereby pulling the adjusting plate 2 to retract and press it against the surface of the fixed plate 15 for positioning. This is convenient, efficient, and easy to adjust and use.
[0026] Please see Figure 2 and Figure 4 One end of the adjusting threaded cylinder 24 is fixedly connected to the limiting cylinder 25. The limiting cylinder 25 is rotatably connected to the inside of the fixed cylinder 23. The fixed cylinder 23 is located on the back of the fixed plate 15 and is located at one end of the combination hole 17. The adjusting threaded cylinder 24 is symmetrically distributed at both ends of the fixed plate 15. By connecting the limiting cylinder inside the adjusting threaded cylinder, it can be rotatably installed inside the fixed cylinder. This can support and guide the adjusting threaded cylinder, improve the stability of rotation, prevent it from falling off, and facilitate adjustment. By rotating the limiting cylinder 25 inside the fixed cylinder 23, the adjusting threaded cylinder 24 can be supported for rotation adjustment, preventing separation. This is stable and efficient, and the two cylinders can be combined for adjustment.
[0027] Please refer to Figure 2 and Figure 5 The outer side of the first square shell 1 is provided with a positioning sliding groove 26, the positioning sliding groove 26 is located at the inner side of the second square shell 13, the outer surface of the second square shell 13 is provided with a counterbore 27 at both sides, the counterbore 27 is aligned with the one end position of the positioning sliding groove 26, the positioning screw 28 is screwed in the inside of the counterbore 27, the end of the positioning screw 28 is tightly connected to the inner end of the positioning sliding groove 26, through setting the positioning sliding groove and the counterbore, combined with the positioning screw combination installation, it is convenient to adjust the alignment, it is beneficial to lock the fixed length, and the adaptability is high.
[0028] The above, only for the preferred specific embodiments of the present application; but the protection scope of the present application is not limited to this. Any skilled in the technical field within the scope of the present application disclosed by the technical personnel, according to the technical scheme of the present application and its improvement concept are equivalent to replace or change, should be covered in the protection scope of the present application.
Claims
1. A circulating fan for a refrigeration cabinet, comprising a first square shell (1), one end surface of the first square shell (1) is fixedly connected with a first mounting plate (11), and the other end surface of the first square shell (1) is slidingly installed with a second square shell (13), characterized in that: One end of the second square shell (13) is fixedly connected with a second mounting plate (14), the surfaces of the first mounting plate (11) and the second mounting plate (14) are provided with mounting holes (12), one side of the inside of the first square shell (1) is fixedly connected with a fixed plate (15), the inside of the fixed plate (15) is provided with an avoiding hole (16), both ends of the fixed plate (15) are provided with combination holes (17), the installation screw rods (18) are slidably installed in the combination holes (17), one end of the installation screw rods (18) is fixedly connected with an adjusting plate (2), the inside of the adjusting plate (2) is provided with an installation through slot (21), the fan assembly (22) is combinedly installed in the installation through slot (21), the other side surface of the fixed plate (15) is fixedly connected with a fixed cylinder (23), the adjusting screw cylinders (24) are rotatably installed in the inside of the fixed cylinder (23), the adjusting screw cylinders (24) are screw-connected to the outer surfaces of the installation screw rods (18).
2. A circulating fan for a refrigeration cabinet as defined in claim 1, wherein: One end of the adjusting screw cylinder (24) is fixedly connected with a limiting cylinder (25), the limiting cylinder (25) is rotatably connected to the inside of the fixed cylinder (23).
3. A circulating fan for a refrigeration cabinet as defined in claim 1, wherein: The fixed cylinder (23) is located at the back position of the fixed plate (15), and is located at one end position of the combination hole (17).
4. A circulation fan for a refrigeration cabinet as defined in claim 1, wherein: The adjusting screw cylinders (24) are symmetrically distributed at both end positions of the fixed plate (15).
5. A circulating fan for a refrigeration cabinet as defined in claim 1, wherein: Both sides of the outer edge of the first square shell (1) are provided with positioning sliding grooves (26), and the positioning sliding grooves (26) are located at both sides of the inside of the second square shell (13).
6. A circulation fan for a refrigeration cabinet as defined in claim 1, wherein: Both sides of the outer surface of the second square shell (13) are provided with counterbores (27), and the counterbores (27) are aligned with one end positions of the positioning sliding grooves (26).
7. A circulating fan for a refrigeration cabinet as defined in claim 6, wherein: The positioning screws (28) are screw-installed in the inside of the counterbores (27), and the end heads of the positioning screws (28) are abuttingly connected to one end of the inside of the positioning sliding grooves (26).