Refrigerant expansion valve adjustment tool

Abstract

The application relates to a refrigeration expansion valve adjusting tool, which comprises an adjusting tool main body, the adjusting tool main body is a cuboid block structure, a subhead operation opening is arranged on the adjusting tool main body in the vertical direction, the subhead operation opening is matched with a subhead of an expansion valve, a valve core operation opening is arranged on the adjusting tool main body in the horizontal direction, the valve core operation opening is matched with a valve core of the expansion valve, and a packing adjusting part extends from the adjusting tool main body in the horizontal direction, the extending direction of the packing adjusting part is the same as the opening direction of the valve core operation opening, and the packing adjusting part is matched with a packing opening of the expansion valve; three operation functions are integrated in the same tool through integrated design, tools need not be frequently replaced, and operation efficiency is greatly improved.

Description

Technical Field

[0001] This application relates to the field of refrigeration expansion valve tools, and in particular to a refrigeration expansion valve adjustment tool. Background Technology

[0002] When commissioning or performing field maintenance on the company's refrigeration system, adjusting the valve core of the refrigeration expansion valve is frequently required. The packing is the sealing part between the valve core and the valve body. Each adjustment requires opening the nut, loosening the packing, and adjusting the valve core. Each adjustment requires the use of needle-nose pliers, a square ratchet wrench, and an adjustable wrench, which is very inconvenient, especially in confined working environments. The operation is extremely difficult and inefficient, and it is also easy to damage the packing, posing a risk of refrigerant leakage. Utility Model Content

[0003] To address the problems of low efficiency and easy damage to expansion valves caused by the single type of traditional adjustment tools, this utility model provides a refrigeration expansion valve adjustment tool, comprising: Adjustment tool body; The main body of the adjustment tool is a cube-shaped block structure; The adjusting tool body has a nut head operation port in the vertical direction, which is suitable for matching the nut head of the expansion valve. The main body of the adjustment tool has a valve core operating port in the horizontal direction, and the valve core operating port is suitable for matching the valve core of the expansion valve. The main body of the adjusting tool extends horizontally with a packing adjustment section. The extension direction of the packing adjustment section is the same as the opening direction of the valve core operating port, and the packing adjustment section is adapted to match the packing port of the expansion valve.

[0004] In one possible implementation, the opening of the nanite head operating port is rounded.

[0005] In one possible implementation, the valve core operating port and the packing adjustment part are located on opposite sides of the main body of the adjustment tool.

[0006] One possible implementation also includes: a handle; The handle is a columnar structure, with one end along its length fixedly connected to one side of the adjustment tool body along its horizontal direction. There are two handles, which are arranged opposite each other on the main body of the adjustment tool.

[0007] In one possible implementation, the handle is integrally formed with the body of the adjustment tool.

[0008] In one possible implementation, the extension direction of the handle is perpendicular to the extension direction of the filler adjustment section.

[0009] In one possible implementation, the packing adjustment section includes: a first adjustment section and a second adjustment section; Both the first adjustment part and the second adjustment part are columnar structures with a preset length; The first adjustment part and the second adjustment part are spaced apart by a preset distance.

[0010] In one possible implementation, the main body of the adjustment tool is provided with a filler clearance hole, which is located between the first adjustment part and the second adjustment part; The opening diameter of the packing clearance hole is larger than the cross-sectional diameter of the valve core.

[0011] In one possible implementation, the body of the adjustment tool is made of metal.

[0012] The beneficial effects of the refrigeration expansion valve adjustment tool according to the embodiments of this application are as follows: The integrated design integrates three operating functions into one tool, eliminating the need for frequent tool changes, significantly improving operating efficiency and protecting the expansion valve body. Specifically, the compact cuboid main body structure is suitable for operation in confined spaces. The various operating structures are rationally arranged according to functional requirements, conforming to the spatial distribution characteristics of the refrigeration expansion valve components, making operation more convenient. The vertically opened nut head operating port is precisely matched to the shape of the expansion valve nut head, allowing direct engagement and turning operations. The horizontally opened valve core operating port is adapted to the expansion valve core structure for adjusting the valve core. The horizontally extending packing adjustment part extends in the same direction as the valve core operating port, allowing for packing adjustment in conjunction with the expansion valve packing port.

[0013] Other features and aspects of this application will become clear from the following detailed description of exemplary embodiments with reference to the accompanying drawings. Attached Figure Description

[0014] The accompanying drawings, which are included in and form part of this specification, illustrate exemplary embodiments, features, and aspects of this application together with the specification and serve to explain the principles of this application.

[0015] Figure 1 A schematic diagram of the main structure of the refrigeration expansion valve regulating tool according to an embodiment of this application is shown; Figure 2 This illustration shows another schematic diagram of the main structure of the refrigeration expansion valve regulating tool according to an embodiment of this application; Figure 3 This diagram shows the main structure of the refrigeration expansion valve regulating tool and the expansion valve according to an embodiment of this application. Detailed Implementation

[0016] Various exemplary embodiments, features, and aspects of this application will now be described in detail with reference to the accompanying drawings. The same reference numerals in the drawings denote elements that have the same or similar functions. Although various aspects of the embodiments are shown in the drawings, they are not necessarily drawn to scale unless specifically indicated otherwise.

[0017] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model or simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0019] The term “exemplary” as used herein means “serving as an example, embodiment, or illustration.” Any embodiment illustrated herein as “exemplary” is not necessarily to be construed as superior to or better than other embodiments.

[0020] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be implemented without certain specific details. In some instances, methods, means, components, and circuits well-known to those skilled in the art have not been described in detail in order to highlight the main points of this application.

[0021] like Figure 1-3 As shown, the refrigeration expansion valve adjustment tool of this application embodiment includes: an adjustment tool body 20, which is a cuboid block structure. The adjustment tool body 20 has a nut head operation port 21 in the vertical direction, which is suitable for matching with the nut head of the expansion valve 10. The adjustment tool body 20 has a valve core operation port 22 in the horizontal direction, which is suitable for matching with the valve core of the expansion valve 10. The adjustment tool body 20 has a packing adjustment part 23 extending in the horizontal direction. The extension direction of the packing adjustment part 23 is the same as the opening direction of the valve core operation port 22, and the packing adjustment part 23 is suitable for matching with the packing port of the collision valve.

[0022] In this specific embodiment, the integrated design combines three operating functions into a single tool, eliminating the need for frequent tool changes and significantly improving operational efficiency. Specifically, the compact cuboid main structure is suitable for operation in confined spaces. Each operating structure is rationally arranged according to functional requirements, conforming to the spatial distribution characteristics of the expansion valve 10 components, making operation more convenient. The vertically oriented nut head operating port 21 precisely matches the shape of the expansion valve 10 nut head, allowing direct engagement for turning. The horizontally oriented valve core operating port 22 is adapted to the valve core structure of the expansion valve 10 and is used for valve core adjustment. The horizontally extending packing adjustment section 23 extends in the same direction as the valve core operating port 22, and can cooperate with the packing port of the expansion valve 10 to achieve packing adjustment.

[0023] It should be noted that the nut head operating port 21 is a hexagonal bolt hole to facilitate the installation or removal of the nut head on the expansion valve 10, and the inner cross-section of the valve core operating port 22 is square to facilitate the installation or removal of the valve core on the expansion valve 10. The packing adjustment part 23 extending from the adjusting tool body 20 consists of two spaced columnar structures that can be inserted into the two symmetrical packing holes of the expansion valve 10 for installation or removal.

[0024] Among them, the nanite head operation port 21 is a through-hole structure.

[0025] The main body 20 of the adjustment tool is a cuboid structure, with the side having the largest cross-sectional area being a square. The operating port for the "Na" character is located on the side with the largest cross-sectional area of ​​the main body 20 of the adjustment tool.

[0026] The four sides of the main body 20 of the adjustment tool are all rectangular.

[0027] During use, align the sodium nut operating port of the adjusting tool body 20 with the sodium nut head of the expansion valve 10 and unscrew the sodium nut head. Then, align the packing operating port of the adjusting tool body 20 with the notch at the packing of the expansion valve 10 and loosen the packing. Finally, operate the valve core of the expansion valve 10 using the valve core operating port 22 of the adjusting tool body 20.

[0028] In one specific embodiment, the opening of the nut head operating port 21 is rounded. This rounded design makes it easier to align the operating port and fit it onto the nut head, facilitating quick positioning. The nut head operating port 21 of the adjusting tool body 20 is then fitted onto the nut head of the expansion valve 10. Furthermore, the opening edge of the nut head operating port 21 is rounded to remove sharp edges, preventing scratches on the surface of the expansion valve 10 and protecting the operated component.

[0029] In one specific embodiment, it further includes: a valve core operating port 22 and a packing adjustment part 23, which are located on opposite sides of the adjustment tool body 20, respectively.

[0030] In this specific embodiment, structural interference during valve core operation and packing adjustment is avoided. The separation of operation positions allows the operator to select the corresponding side for operation as needed. Specifically, the main body 20 of the adjustment tool has a cuboid structure, with the valve core operation port 22 and the packing adjustment part 23 located on opposite sides of the main body 20. This allows for the lifting of the valve core operation port 22 and the packing adjustment part 23, thereby increasing the space of the main body 20 of the adjustment tool.

[0031] In one specific embodiment, it further includes: a handle 24, which is a columnar structure, with one end in the length direction fixedly connected to one side of the horizontal direction of the adjustment tool body 20. There are two handles 24, which are arranged opposite to each other on opposite sides of the adjustment tool body 20.

[0032] In this specific embodiment, the columnar handle 24 provides a comfortable grip and facilitates the application of torque. The two opposing handles 24 can accommodate different operating postures, allowing the operator to choose the grip method according to space constraints. When operating with both hands, force can be applied evenly through the two handles 24 to prevent the tool from slipping. Specifically, the two handles 24 are respectively located on the left and right sides of the adjustment tool body 20 for easy application of force.

[0033] The two handles 24, the packing adjustment part 23, and the valve core operating port 22 are located on the same horizontal plane.

[0034] In one specific embodiment, the handle 24 is integrally formed with the adjustment tool body 20. The integrally formed structure eliminates the connection gap between the handle 24 and the body, improves the overall structural strength, avoids the problem of the handle 24 becoming loose or falling off due to repeated use, and extends the tool's service life.

[0035] In one specific embodiment, the extension direction of the handle 24 is perpendicular to the extension direction of the packing adjustment part 23. This perpendicular design ensures that the handle 24 is in the optimal force application position when operating the packing, which is ergonomic. Furthermore, it avoids spatial interference between the handle 24 and the packing adjustment part 23 during operation.

[0036] In one specific embodiment, the packing adjustment part 23 includes: a first adjustment part 231 and a second adjustment part. Both the first adjustment part 231 and the second adjustment part are columnar structures with a preset length. The first adjustment part 231 and the second adjustment part are spaced apart by a preset distance. The double columnar structure can be precisely matched with the corresponding notch of the packing port of the expansion valve 10 to improve the adjustment stability.

[0037] Furthermore, in this specific embodiment, the adjusting tool body 20 is provided with a packing clearance hole 232, which is located between the first adjusting part 231 and the second adjusting part. The opening diameter of the packing clearance hole 232 is larger than the cross-sectional diameter of the valve core.

[0038] In this specific embodiment, the packing clearance hole 232 provides sufficient space for the valve core to avoid interference between the tool and the valve core when operating the packing.

[0039] In one specific embodiment, the adjustment tool body 20 is made of metal, which has high strength and wear resistance and can withstand large operating torque.

[0040] The various embodiments of this application have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A tool for adjusting a refrigeration expansion valve, characterized in that, include: Adjustment tool body; The main body of the adjustment tool is a cube-shaped block structure; The adjusting tool body has a nut head operation port in the vertical direction, which is suitable for matching the nut head of the expansion valve. The main body of the adjustment tool has a valve core operating port in the horizontal direction, and the valve core operating port is suitable for matching the valve core of the expansion valve; The main body of the adjusting tool extends horizontally with a packing adjustment section. The extension direction of the packing adjustment section is the same as the opening direction of the valve core operating port, and the packing adjustment section is adapted to match the packing port of the expansion valve.

2. The refrigeration expansion valve adjusting tool according to claim 1, characterized in that, The opening of the nut head operating port is rounded.

3. The refrigeration expansion valve adjusting tool according to claim 1, characterized in that, Also includes: The valve core operating port and the packing adjustment part are located on opposite sides of the main body of the adjustment tool.

4. The refrigeration expansion valve adjusting tool according to claim 3, characterized in that, Also includes: handle; The handle is a columnar structure, with one end along its length fixedly connected to one side of the adjustment tool body along its horizontal direction. There are two handles, which are arranged opposite each other on the main body of the adjustment tool.

5. The refrigeration expansion valve adjusting tool according to claim 4, characterized in that, The handle is integrally formed with the main body of the adjustment tool.

6. The refrigeration expansion valve adjusting tool according to claim 5, characterized in that, The extension direction of the handle is perpendicular to the extension direction of the filler adjustment part.

7. The refrigeration expansion valve adjusting tool according to claim 1, characterized in that, The packing adjustment section includes: a first adjustment section and a second adjustment section; Both the first adjustment part and the second adjustment part are columnar structures with a preset length; The first adjustment part and the second adjustment part are spaced apart by a preset distance.

8. The refrigeration expansion valve adjusting tool according to claim 7, characterized in that, The main body of the adjustment tool is provided with a filler clearance hole, which is located between the first adjustment part and the second adjustment part; The opening diameter of the packing clearance hole is larger than the cross-sectional diameter of the valve core.

9. The refrigeration expansion valve adjusting tool according to claim 1, characterized in that, The main body of the adjustment tool is made of metal.

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