Direct-current frostless frequency conversion type low-temperature refrigeration air conditioning unit

By adopting a two-sided opening flip-door structure and snap-fit ​​design in the DC frost-free inverter low-temperature refrigeration air conditioning unit, the problem of inconvenient filter installation and removal is solved, realizing convenient installation and removal of the filter plate and improving maintenance efficiency and tightness.

CN223663454UActive Publication Date: 2025-12-12CHANGXING GRP CO LTD
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Patent Information

Application Number
CN202520263259.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-12
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

The filters of existing DC frost-free inverter low-temperature refrigeration air conditioning units are inconvenient to install, remove and maintain, and are also inconvenient to open during maintenance, resulting in maintenance difficulties.

Method used

It adopts a flip-door structure with openings on both sides, and is connected to a concave ring frame through a hinge shaft. The filter screen is snapped into the inner side, and rubber protrusions and locking blocks are set on the outer side of the filter screen. Combined with the design of the slot and spring, it can be easily disassembled and fixed.

Benefits of technology

It enables convenient disassembly and fixing of the filter screen, improves the convenience of inspection and cleaning maintenance, and enhances the tightness and stability.

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Abstract

The direct-current frostless frequency conversion type low-temperature refrigeration air conditioning unit comprises a unit body, openings are formed in the two sides of the unit body, hinge shafts are arranged on the outer surfaces of the openings, concave ring frames are hinged to the openings through the hinge shafts, and filter screen plates are connected to the inner side surfaces of the inner ends of the concave ring frames in a clamped mode. Shutter blades are fixedly connected to the inner side surface of the outer end of the concave ring frame, a supporting block is fixed to the outer side surface of the unit body, a sliding groove is formed in the inner side surface of the supporting block, a spring and a clamping block are slidably connected to the inner side surface of the sliding groove of the supporting block, a clamping groove is formed in the side face of the concave ring frame, and the outer end of the clamping block is clamped in the clamping groove. By adopting opening arrangement on two sides and overhead door type opening and closing, the filter screen plate is convenient to open, clamp and mount during maintenance, the disassembly and assembly are more convenient, and the cleaning and maintenance are convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of low temperature refrigeration air conditioning unit more specifically, relate to a kind of direct current frost-free variable frequency low temperature refrigeration air conditioning unit. BACKGROUND

[0002] Air conditioning unit is by various air handling function segment assembly and become an air handling equipment, it is suitable for resistance greater than 100Pa air conditioning system;

[0003] Its direct current frost-free variable frequency low temperature refrigeration air conditioning unit, the filter screen is arranged at the air inlet of the outer side of the unit main body, the filter screen is not convenient to disassemble and maintain, and the unit main body is not convenient to open during maintenance. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model aims at providing a kind of direct current frost-free variable frequency low temperature refrigeration air conditioning unit, by adopting two-side opening setting, door type opening and closing, it is convenient to open during maintenance, filter screen plate is installed by clamping, and it is more convenient to disassemble and assemble, easy to clean and maintain.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A kind of direct current frost-free variable frequency low temperature refrigeration air conditioning unit, including unit main body, the two sides of the unit main body are provided with opening, and hinge shaft is arranged on the outer surface of opening, recessed ring frame is hinged by hinge shaft, filter screen plate is clamped on the inner end inner surface of recessed ring frame, louver is fixedly connected on the outer end inner surface of recessed ring frame, support block is fixed on the outer surface of unit main body, sliding slot is formed on the inner surface of support block, spring and clamping block are slidably connected on the inner surface of sliding slot of support block, clamping groove is formed on the side surface of recessed ring frame, the outer end of clamping block is clamped in clamping groove, by adopting two-side opening setting, door type opening and closing, it is convenient to open during maintenance, filter screen plate is installed by clamping, and it is more convenient to disassemble and assemble, easy to clean and maintain.

[0007] Further, the lower surface of the clamping block is fixed with a pulling block, which protrudes downward from the support block, facilitating the sliding of the clamping block.

[0008] Further, the louver is inclinedly arranged on the inner surface of the recessed ring frame and is uniformly distributed from top to bottom, so that it can block rain and dust.

[0009] Further, the outer surface of the filter screen plate is provided with rubber protrusions, which can increase the tightness when the filter screen plate is clamped into the recessed ring frame.

[0010] Further, the rubber protrusions are arranged at the outer four corners of the filter screen plate, which is tightly and stably fixed.

[0011] Further, the outer end of the clamping block is provided with two groups of clamping heads, which are distributed on the upper and lower sides, and the clamping is firm.

[0012] Further, the lower surface of the unit body is provided with a C-shaped base, which is distributed at two ends and two sides, and the support is stable.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) By adopting the two-side opening setting, the door type is opened and closed, the filter screen plate is clamped and installed, and the disassembly and assembly are more convenient, so that the cleaning and maintenance are facilitated.

[0015] (2) The lower surface of the clamping block is fixed with a pulling block, the pulling block protrudes downward to support the block, and the clamping block is slid.

[0016] (3) The louver blades are obliquely arranged on the inner side surface of the concave ring frame, are evenly arranged from top to bottom, are evenly distributed, and can block rain and dust.

[0017] (4) The outer side surface of the filter screen plate is provided with rubber protrusions, and when the filter screen plate is clamped into the concave ring frame, the tightness can be increased, and the clamping is fixed.

[0018] (5) The rubber protrusions are arranged at the outer four corners of the filter screen plate, and the clamping is stable and firm.

[0019] (6) The outer end of the clamping block is provided with two groups of clamping heads, which are distributed on the upper and lower sides, and the clamping is firm.

[0020] (7) The lower surface of the unit body is provided with a C-shaped base, which is distributed at two ends and two sides, and the support is stable. DETAILED DESCRIPTION

[0021] Fig. 1 It is a whole structure schematic view of the utility model;

[0022] Fig. 2 It is a whole structure side view of the utility model;

[0023] Fig. 3 It is a filter screen plate side view of the utility model.

[0024] Explanation of figure mark:

[0025] 1 unit body, 2 hinged shaft, 3 concave ring frame, 4 filter screen plate, 5 louver blade, 6 support block, 7 spring, 8 clamping block, 9 clamping groove, 10 pulling block, 40 rubber protrusion. DETAILED DESCRIPTION

[0026] 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, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] Please refer to Figs. 1-3 A direct-current frostless variable-frequency low-temperature refrigeration air conditioning unit, comprising a unit main body 1, the two sides of the unit main body 1 are provided with openings, and the outer surfaces of the openings are provided with hinged shafts 2, the hinged shafts 2 are hinged with concave ring frames 3, the inner end inner surfaces of the concave ring frames 3 are clamped with filter screen plates 4, the outer end inner surfaces of the concave ring frames 3 are fixedly connected with louver blades 5, the outer surfaces of the unit main body 1 are fixed with support blocks 6, the inner surfaces of the support blocks 6 are provided with sliding grooves, the sliding groove inner surfaces of the support blocks 6 are slidably connected with springs 7 and clamping blocks 8, the sides of the concave ring frames 3 are provided with clamping grooves 9, and the outer ends of the clamping blocks 8 are clamped in the clamping grooves 9.

[0028] Please refer to Figs. 1-3 The lower surfaces of the clamping blocks 8 are fixed with pull blocks 10, the pull blocks 10 protrude downward to support the support blocks 6, the pull blocks 10 facilitate the sliding of the clamping blocks 8, the louver blades 5 are obliquely arranged on the inner surfaces of the concave ring frames 3 and are evenly arranged from top to bottom, the louver blades 5 are evenly distributed, can block rain and dust, the outer surfaces of the filter screen plates 4 are provided with rubber protrusions 40, when the filter screen plates 4 are clamped into the concave ring frames 3, the rubber protrusions 40 can increase the tightness, the filter screen plates 4 are clamped and fixed, the rubber protrusions 40 are arranged at the outer four corners of the filter screen plates 4, the clamping is stable and firm, the outer ends of the clamping blocks 8 are provided with two groups of clamping heads, which are distributed on the upper and lower sides, the clamping heads are firmly clamped, the lower surfaces of the unit main body 1 are provided with C-shaped bases, which are distributed at two ends, the C-shaped bases are stably supported.

[0029] In use, the two sides of the unit main body 1 are provided with openings, and the outer surfaces of the openings are provided with hinged shafts 2, the hinged shafts 2 are hinged with concave ring frames 3, the inner end inner surfaces of the concave ring frames 3 are clamped with filter screen plates 4, the filter screen plates 4 are directly clamped and assembled, the filter screen plates 4 are convenient to disassemble and assemble, the hinged door structure facilitates the opening of the concave ring frames 3 and the opening of the openings, and facilitates internal maintenance operation.

[0030] The inner surfaces of the support blocks 6 are provided with sliding grooves, the sliding groove inner surfaces of the support blocks 6 are slidably connected with springs 7 and clamping blocks 8, the sides of the concave ring frames 3 are provided with clamping grooves 9, after the concave ring frames 3 are turned and closed, the outer ends of the clamping blocks 8 are clamped in the clamping grooves 9 for positioning, the clamping blocks 8 are clamped and fixed, when the openings are opened, the pull blocks 10 are pulled, the clamping blocks 8 are driven to be separated from the clamping grooves 9, and the concave ring frames 3 can be conveniently turned open.

[0031] The above merely describes a preferred embodiment of the present application; the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the scope of protection of the present application.

Claims

1. A DC frost-free inverter low-temperature refrigeration air conditioning unit, comprising a unit body (1), characterized in that: The main body (1) of the unit has openings on both sides, and a hinge shaft (2) is provided on the outer surface of the opening. A concave ring frame (3) is hinged through the hinge shaft (2). A filter screen plate (4) is clamped on the inner surface of the inner end of the concave ring frame (3). A louver (5) is fixedly connected to the inner surface of the outer end of the concave ring frame (3). A support block (6) is fixed on the outer surface of the main body (1). A sliding groove is opened on the inner surface of the support block (6). A spring (7) and a locking block (8) are slidably connected on the inner surface of the sliding groove of the support block (6). A locking groove (9) is opened on the side of the concave ring frame (3). The outer end of the locking block (8) is clamped in the locking groove (9).

2. The DC frost-free inverter low-temperature refrigeration air conditioning unit according to claim 1, characterized in that: The lower surface of the card block (8) is fixed with a pull block (10), and the pull block (10) protrudes downward from the support block (6).

3. The DC frost-free inverter low-temperature refrigeration air conditioning unit according to claim 1, characterized in that: The louvers (5) are inclinedly arranged on the inner surface of the concave ring frame (3) and are evenly distributed from top to bottom.

4. A DC frost-free inverter low-temperature refrigeration air conditioning unit according to claim 1, characterized in that: The outer surface of the filter screen (4) is provided with rubber protrusions (40).

5. A DC frost-free inverter low-temperature refrigeration air conditioning unit according to claim 4, characterized in that: The rubber protrusions (40) are located at the four corners of the outer end of the filter screen (4).

6. A DC frost-free inverter low-temperature refrigeration air conditioning unit according to claim 1, characterized in that: The outer end of the card block (8) is provided with two sets of card heads, distributed on the upper and lower sides.

7. A DC frost-free inverter low-temperature refrigeration air conditioning unit according to claim 1, characterized in that: The lower surface of the main body (1) of the unit is provided with a C-shaped base, which is distributed at both ends.