Slider structure, switching valve and air conditioning system

Abstract

This utility model provides a slider structure, a switching valve, and an air conditioning system. The slider structure includes a slider component and a support pin. Two sets of limiting structures are correspondingly provided on the open side of the slider component. The slider structure has a pre-installation state and a press-fit state. The relative distance between the two ends of the support pin is adjustable. In the pre-installation state, the two ends of the support pin are located on the inner side of the corresponding limiting structures facing the inside of the slider component. In the press-fit state, the distance between the two ends of the support pin is increased compared to the pre-installation state. One end of the support pin is press-fitted onto one side of the open side of the slider component and onto the corresponding set of limiting structures, while the other end of the support pin is press-fitted onto the other side of the open side of the slider component and onto the corresponding other set of limiting structures. The technical solution provided by this utility model can solve the problem in the prior art where the support pin easily causes pressure damage to the limiting structures of the slider component during the press-fit process.

Description

Technical Field

[0001] This utility model relates to the field of switching valve technology, and more specifically, to a slider structure, a switching valve, and an air conditioning system. Background Technology

[0002] In air conditioning systems and refrigeration equipment, switching valves, primarily four-way valves, are core components. The stability and reliability of their internal slider structure directly affect the performance and lifespan of the equipment. During operation, a pressure difference is created between the slider cavity and the cavity of the main valve body. Generally, the cavity within the main valve body is a relatively high-pressure cavity, while the slider cavity is a relatively low-pressure cavity. To prevent deformation or damage to the slider under the pressure difference, a support pin is typically installed at the opening of the slider cavity to support and reinforce it. Additionally, a limit structure is provided on the opening side of the slider cavity to prevent unstable installation of the support pin and its easy detachment from the slider.

[0003] In existing technologies, the two ends of the support pin are typically installed inside the opening side of the slider cavity using an interference fit. During assembly, the two ends of the support pin need to be aligned with the support pin groove or inner wall on the slider. However, this method requires a large force during the pressing process of the support pin from the opening side of the slider inward, and it is easy to squeeze the limiting structure on the installation path, causing damage to the limiting structure. This, in turn, affects the reliability and stability of the slider structure, the switching valve, and even the air conditioning system. Utility Model Content

[0004] This utility model provides a slider structure, a switching valve, and an air conditioning system to solve the problem in the prior art where the support pin easily causes pressure damage to the limiting structure of the slider during the press-fitting process.

[0005] To achieve the above objectives, according to one aspect of the present invention, a slider structure is provided, comprising a slider component and a support pin component. Two sets of limiting structures are correspondingly provided on the open side of the slider component. The slider structure has a pre-installed state and a press-fit state. The relative distance between the two ends of the support pin component is adjustable. In the pre-installed state, the two ends of the support pin component are respectively located on the inner side of the corresponding limiting structures facing the inside of the slider component. In the press-fit state, the distance between the two ends of the support pin component is increased compared to the pre-installed state. One end of the support pin component is press-fitted onto one side of the inside of the open side of the slider component and onto a corresponding set of limiting structures, while the other end of the support pin component is press-fitted onto the other side of the inside of the open side of the slider component and onto another corresponding set of limiting structures.

[0006] Furthermore, the support pin includes a first sub-support pin and a second sub-support pin arranged symmetrically, with the two ends of the first sub-support pin and the second sub-support pin facing away from each other forming the two ends of the support pin. In the pre-installation state, the first sub-support pin and the second sub-support pin are inclined relative to each other, and the two ends of the first sub-support pin and the second sub-support pin that are close to each other are inclined outward or inward relative to the cavity of the slider. In the press-fit state, the two ends of the first sub-support pin and the second sub-support pin that are close to each other are fitted together, and the first sub-support pin and the second sub-support pin are rotated until the two ends of the first sub-support pin and the second sub-support pin facing away from each other are respectively press-fitted onto one side of the corresponding slider and a set of corresponding limiting structures.

[0007] Furthermore, the two ends of the first and second sub-support pins that are close to each other are connected after being pressed together.

[0008] Furthermore, the two ends of the first and second sub-support pins that are close to each other are welded together after press fitting.

[0009] Furthermore, the support pin also includes a third sub-support pin, with the two ends of the first and second sub-support pins that are close to each other connected to the two ends of the third sub-support pin respectively; in the pre-installation state, at least two of the first, second, and third sub-support pins are relatively inclined and tilted outward or inward relative to the cavity of the slider component; in the press-fit state, the two ends of the first and third sub-support pins that are close to each other are fitted together, and the two ends of the third and second sub-support pins that are close to each other are fitted together; the two ends of the first and second sub-support pins that are opposite to each other are respectively pressed onto one side of the corresponding slider component and a corresponding set of limiting structures; the first, second, and third sub-support pins are connected sequentially after press-fitting.

[0010] Furthermore, two positioning grooves are symmetrically arranged on the inner wall of the cavity opening of the slider component, and two sets of limiting structures are respectively arranged at the openings of the two positioning grooves. The two ends of the support pin are respectively pressed into the two positioning grooves, and the shape of the positioning groove is adapted to the shape of the two ends of the support pin.

[0011] Furthermore, the limiting structure includes a first limiting protrusion, which is used to abut against the bottom wall of both ends of the support pin facing the opening of the slider.

[0012] Furthermore, the limiting structure also includes a second limiting protrusion that avoids the first limiting protrusion, the second limiting protrusion being used to abut against the bottom wall and / or side wall of the end of the support pin facing the opening of the slider.

[0013] Furthermore, the support pin has two parallel limiting sides. The side of the support pin near the opening of the slider cavity is a planar side, and the side of the support pin away from the opening of the slider cavity is an arc-shaped side. There is a first rounded corner between the planar side and the limiting side, and there is a second rounded corner between the arc-shaped side and the limiting side. There are two second limiting protrusions, which are symmetrically arranged on both sides of the first limiting protrusion and respectively abut against the two first rounded corners. The first limiting protrusion abuts against the planar side.

[0014] According to another aspect of the present invention, a switching valve is provided, which includes a main valve body, a drag frame, and the aforementioned slider structure. The slider structure is slidably disposed in the main valve body via the drag frame to switch the flow state of the main valve body.

[0015] According to another aspect of the present invention, an air conditioning system is provided, the air conditioning system including the aforementioned switching valve.

[0016] The present invention provides a slider structure comprising a slider component and a support pin component. Two sets of limiting structures are correspondingly provided on the open side of the slider component. The slider structure has a pre-installed state and a press-fit state. The relative distance between the two ends of the support pin component is adjustable. In the pre-installed state, the two ends of the support pin component are located on the inner side of the corresponding limiting structures facing the inside of the slider component. In the press-fit state, the distance between the two ends of the support pin component increases compared to the pre-installed state. One end of the support pin component is press-fitted onto one side of the inside of the open side of the slider component and onto a corresponding set of limiting structures, while the other end of the support pin component is press-fitted onto the other side of the inside of the open side of the slider component and onto another corresponding set of limiting structures.

[0017] This solution utilizes the adjustable characteristics of the support pin to achieve pre-installation. First, the two ends of the support pin are adjusted towards each other. Then, the two ends are inserted into the corresponding limiting structures facing the inside of the slider component, placing the slider structure in a pre-installation state. At this point, the positions of the two ends of the support pin within the corresponding limiting structures are adjustable, and there is a gap between the support pin and the inner cavity of the slider component. When transitioning to the press-fit state, the distance between the two ends of the support pin is increased, allowing the two ends of the support pin to be pressed into the inner cavity of the corresponding side of the slider component and onto the corresponding limiting structure, completing the installation of the support pin. This design avoids the direct press-fit method used in existing technologies, where the support pin is pressed directly from the outside of the slider component's opening inwards, requiring significant force and potentially causing pressure damage to the limiting structures along the installation path. This avoids damage to the slider's limiting structure during assembly, thus improving the service life of the slider structure and the switching valve using this structure. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0019] Figure 1 A schematic diagram of the slider structure provided in an embodiment of the present invention is shown;

[0020] Figure 2 It shows Figure 1 A schematic diagram of the slider structure from another perspective;

[0021] Figure 3 It shows Figure 2 An enlarged view of the selected position A in the middle without the support pin installed;

[0022] Figure 4 It shows Figure 1 A cross-sectional view of the slider structure;

[0023] Figure 5 It shows Figure 4 A magnified view of the selected position B;

[0024] Figure 6 It shows Figure 5 Enlarged view of the device without the support pins installed;

[0025] Figure 7 It shows Figure 1 A cross-sectional view of the slider structure from another perspective;

[0026] Figure 8 It shows Figure 1 A bottom view of the slider structure;

[0027] Figure 9 It shows Figure 1 A schematic diagram of the first sub-support pin in the slider structure;

[0028] Figure 10 It shows Figure 1 A schematic diagram of the first sub-support pin in the slider structure from another perspective;

[0029] Figure 11 It shows Figure 1 A schematic diagram of the slider structure in its pre-installed state.

[0030] The above figures include the following reference numerals:

[0031] 10. Slider structure;

[0032] 11. Sliding block; 1101. Positioning groove;

[0033] 12. Support pin; 121. First sub-support pin; 122. Second sub-support pin; 1201. Limiting side; 1202. Flat side; 1203. Arc-shaped side; 1204. First rounded corner surface; 1205. Second rounded corner surface;

[0034] 13. Limiting structure; 131. First limiting protrusion; 132. Second limiting protrusion. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0036] like Figures 1 to 11 As shown, an embodiment of this utility model provides a slider structure 10, which includes a slider component 11 and a support pin component 12. Two sets of limiting structures 13 are correspondingly provided on the open side of the slider component 11. The slider structure has a pre-installation state and a press-fit state. The relative distance between the two ends of the support pin component 12 is adjustable. In the pre-installation state, the two ends of the support pin component 12 are respectively located on the inner side of the corresponding limiting structure 13 facing the inside of the slider component 11. In the press-fit state, the distance between the two ends of the support pin component 12 is increased compared to the pre-installation state. One end of the support pin component 12 is press-fitted on one side of the inside of the open side of the slider component 11 and on the corresponding set of limiting structures 13, and the other end of the support pin component 12 is press-fitted on the other side of the inside of the open side of the slider component 11 and on the corresponding other set of limiting structures 13.

[0037] In this embodiment, the adjustable characteristics of the support pin 12 can be used to pre-install the support pin 12. That is, after adjusting the two ends of the support pin 12 towards each other, the two ends of the support pin 12 are respectively inserted into the inner side of the corresponding limiting structure 13 facing the inside of the slider 11, so that the slider structure 10 is in a pre-installation state. At this time, the position of the two ends of the support pin 12 inside the corresponding limiting structure 13 is adjustable, and there is a gap between the support pin 12 and the inner side of the cavity of the slider 11. When switching to the press-fit state, the distance between the two ends of the support pin 12 is adjusted to increase it, so that the two ends of the support pin 12 are respectively pressed into the inner side of the cavity of the slider 11 on the corresponding side and the corresponding limiting structure 13, thus completing the installation of the support pin 12. This design avoids the situation in the prior art where the support pin 12 is directly pressed in from the outside of the opening of the slider 11, requiring a large force and causing pressure damage to the limiting structure 13 on the installation path when the support pin 12 is installed by direct press-fitting. This avoids damage to the slider limiting structure 13 during support pin assembly, which is beneficial to improving the service life of the slider structure 10 and the switching valve using the slider structure 10.

[0038] In this embodiment, the support pin 12 includes a first sub-support pin 121 and a second sub-support pin 122 symmetrically arranged. The two ends of the first sub-support pin 121 and the second sub-support pin 122 that are opposite to each other form the two ends of the support pin 12. In the pre-installation state, the first sub-support pin 121 and the second sub-support pin 122 are inclined relative to each other, and the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other are inclined outward or inward relative to the cavity of the slider 11. In the press-fit state, the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other are fitted together, and the first sub-support pin 121 and the second sub-support pin 122 are rotated until the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are opposite to each other are respectively press-fitted onto one side of the corresponding slider 11 and a corresponding set of limiting structures 13.

[0039] In this embodiment, by pushing the two ends of the first sub-support pin 121 and the second sub-support pin 122 closer to each other, the first sub-support pin 121 and the second sub-support pin 122 rotate until the two ends of the first sub-support pin 121 and the second sub-support pin 122 opposite to each other are respectively pressed onto one side of the corresponding slider 11 and a set of corresponding limiting structures 13, so as to realize the conversion of the slider structure 10 from the pre-installation state to the press-fit state. Specifically, in this embodiment, the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other are inclined outward relative to the cavity of the slider 11. The first sub-support pin 121 and the second sub-support pin 122 have the same structure and are both plate-shaped support pins. When installing the support pin 12 in this embodiment, the first sub-support pin 121 and the second sub-support pin 122 are first tilted and inserted into the inner side of the corresponding limiting structure 13 facing the inside of the slider 11. The ends of the first sub-support pin 121 and the second sub-support pin 122 that are symmetrically arranged and close to each other are inclined outward away from the cavity of the slider 11. At this time, the slider structure 10 is in a pre-installation state. Then, the operator presses down and pushes the first sub-support pin 121 and the second sub-support pin 122 closer to each other. The two ends of the first sub-support pin 121 and the second sub-support pin 122 rotate. During the downward rotation, the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are opposite to each other move away from each other until they are pressed onto the inner wall of the cavity of the corresponding side slider 11, and are also pressed onto the two sets of limiting structures 13. At this time, the first sub-support pin 121 and the second sub-support pin 122 are coplanar and parallel to the plane where the opening of the cavity of the slider 11 is located. The two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other are set opposite to each other. It can be understood that the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are opposite to each other serve as their respective rotation centers, and these rotation centers can move away from each other. This configuration, through the symmetrical arrangement and rotatable characteristics of the first sub-support pin 121 and the second sub-support pin 122, enables the support pin 12 to gradually and finally fit tightly against the inner side of the cavity of the slider 11 during the press-fitting process. This avoids the situation in the prior art where the support pin 12 requires a large force to install by direct press-fitting and the support pin 12 may cause pressure damage to the limiting structure 13 on the installation path. At the same time, it improves the convenience of assembling the support pin 12.

[0040] Optionally, in other embodiments not shown in the figures, the first sub-support pin 121 and the second sub-support pin 122 have the same structure and are both plate-shaped support pins. The two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other are inclined inward relative to the cavity of the slider 11. The operator pushes the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other from inside the cavity of the slider 11 to rotate the first sub-support pin 121 and the second sub-support pin 122. Alternatively, in another embodiment not shown in the figures, the first sub-support pin 121 and the second sub-support pin 122 have the same structure and are both plate-shaped support pins. The two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other are inclined outward and inward relative to the cavity of the slider 11, respectively. The operator presses the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other from inside and outside the cavity of the slider 11 to rotate the first sub-support pin 121 and the second sub-support pin 122.

[0041] It is understandable that the structure and tilt of the first sub-support pin 121 and the second sub-support pin 122 can be adapted to the actual situation, and will not be listed one by one here.

[0042] Specifically, the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other are connected after press-fitting. This prevents the first sub-support pin 121 and the second sub-support pin 122 from rotating open under force after press-fitting, thus ensuring the reliability and stability of the slider structure. The connection between the first sub-support pin 121 and the second sub-support pin 122 can be achieved through different connection structures or connection processes.

[0043] Preferably, the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other are welded after press fitting. This arrangement, where the two ends of the first sub-support pin 121 and the second sub-support pin 122 are fitted together after press fitting, facilitates the transition and ensures the transition area. The welding technology is used to fix the close ends of the first sub-support pin 121 and the second sub-support pin 122, which helps to improve the overall strength and stability of the support pin 12, and avoids the connection position of the first sub-support pin 121 and the second sub-support pin 122 from being easily opened by fluid, thereby improving the durability and reliability of the slider structure 10.

[0044] Preferably, the two end faces of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other can be inclined surfaces designed according to the pressing direction, so as to improve the convenience of pressing and the welding area between the two end faces.

[0045] In another embodiment (not shown), the support pin 12 further includes a third sub-support pin. The two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other are respectively connected to the two ends of the third sub-support pin. In the pre-installation state, at least two of the first sub-support pin 121, the second sub-support pin 122 and the third sub-support pin are relatively inclined and outward or inward relative to the cavity of the slider 11. In the press-fit state, the two ends of the first sub-support pin 121 and the third sub-support pin that are close to each other are fitted together, and the two ends of the third sub-support pin and the second sub-support pin 122 that are close to each other are fitted together. The two ends of the first sub-support pin 121 and the second sub-support pin 122 that are opposite to each other are respectively pressed onto one side of the corresponding slider 11 and a corresponding set of limiting structures 13. The first sub-support pin 121, the second sub-support pin 122 and the third sub-support pin are connected sequentially after press-fitting.

[0046] In this embodiment, at least one end of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other and / or the third sub-support pin are moved until the opposite ends of the first sub-support pin 121 and the second sub-support pin 122 are respectively pressed onto one side of the corresponding slider 11 and a set of corresponding limiting structures 13, thereby realizing the conversion of the slider structure 10 from the pre-installation state to the press-fit state. Specifically, in this embodiment, the first sub-support pin 121 and the second sub-support pin 122 need to be connected and assisted in press-fitting by the third sub-support pin. The third sub-support pin can ensure that the first sub-support pin 121 and the second sub-support pin 122 will not rotate or move, ensuring the reliability and stability of the press-fitting. It can be understood that the third sub-support pin can be pressed onto the gap between the first sub-support pin 121 and the second sub-support pin 122 after they are pressed onto their respective sides and welded to them respectively, or it can move together with the first sub-support pin 121 and the second sub-support pin 122 in the press-fitting motion. This design can further reduce the difficulty of pre-installation and press-fitting of the first sub-support pin 121 and the second sub-support pin 122, and at the same time, it is more conducive to the distribution of force on the support pin 12, so that the first sub-support pin 121 and the second sub-support pin 122 can be subjected to force more evenly during the press-fitting process, avoiding damage caused by local stress concentration, and improving the durability and stability of the support pin 12.

[0047] In this embodiment, the first sub-support pin 121 and the second sub-support pin 122 have the same structure and are both plate-shaped support pins. The third sub-support pin is also a plate-shaped support pin and its length is the distance between the two ends of the first sub-support pin 121 and the second sub-support pin 122 after pressing. Preferably, in this embodiment, the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are opposite to each other are first inserted and the two ends that are close to each other are tilted relative to the cavity of the slider 11 (both are tilted inward, both are tilted outward, or one is tilted inward and the other is tilted outward). The third sub-support pin is placed horizontally and its two ends abut against the two ends of the first sub-support pin 121 and the second sub-support pin 122 that are close to each other. Then, the operator simultaneously presses and pushes the third sub-support pin against the two abutting positions of the first sub-support pin 121 and the second sub-support pin 122, causing the third sub-support pin to drop as a whole and drive the first sub-support pin 121 and the second sub-support pin 122 to rotate until the three are horizontal and coplanar. The ends are then welded together. Alternatively, in other embodiments not shown in the figures, the two ends of the first sub-support pin 121 and the second sub-support pin 122, which are opposite to each other, can be installed first, and one of them can be tilted relative to the cavity of the slider 11 (either inward or outward). The other can be directly installed (i.e., one end is directly pressed into the corresponding positioning groove 1101 and the limiting structure 13 and is in a horizontal state). Then, the third sub-support pin is tilted between the two (the first sub-support pin 121 and the second sub-support pin 122) and abuts against the two ends of the two (the first sub-support pin 121 and the second sub-support pin 122) that are close to each other. During the pressing process, the operator can press the two tilted sub-support pins (the third sub-support pin and one of the first sub-support pin 121 and the second sub-support pin 122) until all three are horizontal and coplanar, and the ends are welded together. It is understood that the structure, pressing method, etc. of the first sub-support pin 121, the second sub-support pin 122, and the third sub-support pin can be adapted to the actual situation, and will not be listed here.

[0048] It should be noted that the number and distribution of the sub-support pins included in the support pin component 12 can be adapted and adjusted according to the actual situation, and will not be listed one by one here.

[0049] like Figure 3 , Figure 6 and Figure 7 As shown, two positioning grooves 1101 are symmetrically arranged on the inner wall of the cavity opening of the slider component 11. Two sets of limiting structures 13 are respectively arranged at the openings of the two positioning grooves 1101. The two ends of the support pin 12 are respectively pressed into the two positioning grooves 1101. The shape of the positioning grooves 1101 matches the shape of the two ends of the support pin 12. This arrangement provides more precise installation positioning for the support pin 12 through the positioning grooves 1101, ensuring the accurate position of the support pin 12 in the press-fit state, avoiding abnormal displacement of the slider component 11 under high pressure environment, improving the stability and reliability of the slider structure 10, and reducing maintenance costs.

[0050] like Figure 3 as well as Figures 5 to 8 As shown, the limiting structure 13 includes a first limiting protrusion 131, which abuts against the bottom wall of both ends of the support pin 12 facing the opening of the slider 11. This configuration provides support for the ends of the support pin 12 within the cavity of the slider 11 via the first limiting protrusion 131, preventing the support pin 12 from dislodging from the opening of the slider 11 cavity due to fluid pressure after press-fitting. This ensures stable operation of the slider 11 under high pressure and guarantees the stability of the support pin 12 installation.

[0051] Specifically, the limiting structure 13 also includes a second limiting protrusion 132 that avoids the first limiting protrusion 131. The second limiting protrusion 132 is used to abut against the bottom wall of the end of the support pin 12 facing the opening of the slider 11, or, the second limiting protrusion 132 is used to abut against the side wall of the end of the support pin 12 facing the opening of the slider 11, or, the second limiting protrusion 132 is used to abut against both the bottom wall and the side wall of the end of the support pin 12 facing the opening of the slider 11 (in this embodiment). This configuration provides further support for the end of the support pin 12 within the cavity of the slider 11 through the second limiting protrusion 132, further ensuring the stability of the support pin 12 installation.

[0052] In this embodiment, the second limiting protrusion 132 is a block-shaped structure that opens in the positioning groove 1101 toward the interior of the slider 11 cavity. The distance between the two second limiting protrusions 132 is less than the maximum opening length of the positioning groove 1101 in that direction, forming two stop steps. The corner between any one of the second limiting protrusions 132 and the inner wall of the positioning groove 1101 is rounded. The support pin 12 has two parallel limiting sides 1201. The side of the support pin 12 closest to the opening of the slider 11 cavity is a planar side 1202, and the side of the support pin 12 away from the opening of the slider 11 cavity is an arc-shaped side 1203. The planar side 120... The first rounded corner surface 1204 is provided between the second limiting protrusion 132 and the limiting side 1201 (which is adapted to the rounded corner between the second limiting protrusion 132 and the inner wall of the positioning groove 1101). The arc-shaped side 1203 is provided with a second rounded corner surface 1205 between the limiting side 1201 and the limiting side 1201. There are two second limiting protrusions 132, which are symmetrically arranged on both sides of the first limiting protrusion 131 and respectively abut against the two first rounded corner surfaces 1204 (that is, the second limiting protrusion 132 is used to abut against the rounded corner formed between the bottom wall and the side wall of the end of the support pin 12 facing the opening of the slider 11). The first limiting protrusion 131 abuts against the planar side 1202. This embodiment, through the special shape of the support pin 12 and the design of the rounded corner surface (mainly the first rounded corner surface 1204 between the planar side 1202 and the limiting side 1201), enables the support pin 12 to form good contact and fit with the limiting structure 13 and the positioning groove 1101 during the press-fitting process, avoiding damage caused by local stress concentration, while also increasing the contact area and providing sufficient support force to ensure the stable operation of the slider 11 under high pressure.

[0053] It is understood that in other embodiments not shown in the figure, the second limiting protrusion 132 may also be a gradient block integrally disposed on two opposite sides of the positioning groove 1101. The distance between the two second limiting protrusions 132 gradually decreases in the direction of the arc surface of the positioning groove 1101 toward the inner side of the cavity of the slider 11. During installation, the end of the support pin will be gradually clamped between the two second limiting protrusions 132. At this time, the second limiting protrusion 132 only supports the side wall of the end of the support pin 12 toward the opening of the slider 11. Alternatively, in other embodiments not shown in the figures, the second limiting protrusion 132 is a block-shaped structure provided in the positioning groove 1101 opening towards the interior of the slider 11 cavity. The distance between the two second limiting protrusions 132 is less than the maximum opening length of the positioning groove 1101 in that direction, so as to form two stop steps. Furthermore, there is no rounded corner between any one of the second limiting protrusions 132 and the inner wall of the positioning groove 1101. In this case, the second limiting protrusion 132 only supports the bottom wall of the end of the support pin 12 facing the opening side of the slider 11.

[0054] It is understandable that, such as Figure 11 As shown, during the pressing process (from pre-installation state to pressing state), the first sub-support pin 121 or the second sub-support pin 122, due to their inclined arrangement, will change from linear contact (edge ​​contact) to surface contact (fully fitted and abutting) with the corresponding second limiting protrusion 132 as the pressing is completed. The first limiting protrusion 131 will not contact the end of the support pin 12 in the pre-installation state until the pressing is completed. The opposite ends of the first sub-support pin 121 and the second sub-support pin 122 will respectively abut with the surface of the corresponding first limiting protrusion 131 (fully fitted and abutting). After the pressing is completed, the opposite ends of the first sub-support pin 121 and the second sub-support pin 122 will be adapted and pressed into the area surrounded by the first limiting protrusion 131, the second limiting protrusion 132, and the positioning groove 1101 on the corresponding side.

[0055] Another embodiment of this utility model provides a switching valve, which includes a main valve body, a drag frame, and the aforementioned slider structure 10. The slider structure 10 is slidably mounted in the main valve body via the drag frame to switch the flow state of the main valve body. This design, through the installation design of the support pin 12 of the slider structure 10, avoids damage to the limiting structure 13 during installation, thus improving the service life of the slider structure 10 and the switching valve while ensuring the reliability of the support pin 12's press-fit.

[0056] Another embodiment of this utility model provides an air conditioning system, which includes the aforementioned switching valve. This design, through the installation design of the support pin 12 of the slider structure 10, avoids damage to the limiting structure 13 during the installation of the support pin 12. This helps to improve the service life of the slider structure 10, the switching valve, and the air conditioning system while ensuring the reliability of the support pin 12's press-fit. It also improves the reliability and stability of the slider structure 10 and the switching valve, thereby enhancing the reliability and stability of the air conditioning system. Even if a reverse pressure differential occurs during use, the support pin 12 will not fall off.

[0057] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0058] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0059] In the description of this utility model, it should be understood that the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" 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 and simplifying the description. Unless otherwise stated, these directional terms 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, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.

[0060] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0061] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0062] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A slider structure, characterized in that, The slider structure includes a slider component (11) and a support pin component (12). Two sets of limiting structures (13) are provided on the open side of the slider component (11). The slider structure has a pre-installation state and a press-fit state. The relative distance between the two ends of the support pin component (12) is adjustable. In the pre-installation state, the two ends of the support pin component (12) are located on the inner side of the corresponding limiting structure (13) facing the inside of the slider component (11). In the press-fit state, the distance between the two ends of the support pin component (12) is increased compared to the pre-installation state. One end of the support pin component (12) is press-fitted on one side of the inside of the open side of the slider component (11) and on the corresponding set of limiting structures (13). The other end of the support pin component (12) is press-fitted on the other side of the inside of the open side of the slider component (11) and on the corresponding other set of limiting structures (13).

2. The slider structure according to claim 1, characterized in that, The support pin (12) includes a first sub-support pin (121) and a second sub-support pin (122) arranged symmetrically. The two ends of the first sub-support pin (121) and the second sub-support pin (122) that are opposite to each other form the two ends of the support pin (12). In the pre-installation state, the first sub-support pin (121) and the second sub-support pin (122) are inclined relative to each other, and the two ends of the first sub-support pin (121) and the second sub-support pin (122) that are close to each other are inclined outward or inward relative to the cavity of the slider (11). In the press-fit state, the two ends of the first sub-support pin (121) and the second sub-support pin (122) that are close to each other are fitted together, and the first sub-support pin (121) and the second sub-support pin (122) are rotated so that the two ends of the first sub-support pin (121) and the second sub-support pin (122) that are opposite to each other are respectively press-fitted onto one side of the corresponding slider (11) and a corresponding set of limiting structures (13).

3. The slider structure according to claim 2, characterized in that, The two ends of the first sub-support pin (121) and the second sub-support pin (122) that are close to each other are connected after being pressed together.

4. The slider structure according to claim 2, characterized in that, The two ends of the first sub-support pin (121) and the second sub-support pin (122) that are close to each other are welded after being pressed together.

5. The slider structure according to claim 2, characterized in that, The support pin (12) further includes a third sub-support pin, and the two ends of the first sub-support pin (121) and the second sub-support pin (122) that are close to each other are respectively connected to the two ends of the third sub-support pin; in the pre-installation state, at least two of the first sub-support pin (121), the second sub-support pin (122) and the third sub-support pin are relatively inclined and outward or inward relative to the cavity of the slider (11); in the press-fit state, the two ends of the first sub-support pin (121) and the third sub-support pin that are close to each other are fitted together, and the two ends of the third sub-support pin and the second sub-support pin (122) that are close to each other are fitted together; the two ends of the first sub-support pin (121) and the second sub-support pin (122) that are opposite to each other are respectively press-fitted onto one side of the corresponding slider (11) and a corresponding set of limiting structures (13); the first sub-support pin (121), the second sub-support pin (122) and the third sub-support pin are connected sequentially after press-fitting.

6. The slider structure according to claim 1, characterized in that, The inner wall of the cavity opening of the slider (11) is symmetrically provided with two positioning grooves (1101). The two sets of limiting structures (13) are respectively provided at the openings of the two positioning grooves (1101). The two ends of the support pin (12) are respectively pressed into the two positioning grooves (1101). The shape of the positioning groove (1101) is adapted to the shape of the two ends of the support pin (12).

7. The slider structure according to claim 1, characterized in that, The limiting structure (13) includes a first limiting protrusion (131), which is used to abut against the bottom wall of both ends of the support pin (12) facing the opening side of the slider (11).

8. The slider structure according to claim 7, characterized in that, The limiting structure (13) further includes a second limiting protrusion (132) that avoids the first limiting protrusion (131), the second limiting protrusion (132) being used to abut against the bottom wall and / or side wall of the end of the support pin (12) facing the opening side of the slider (11).

9. The slider structure according to claim 8, characterized in that, The support pin (12) has two parallel limiting sides (1201). The side of the support pin (12) closest to the cavity opening of the slider (11) is a planar side (1202), and the side of the support pin (12) away from the cavity opening of the slider (11) is an arc-shaped side (1203). A first rounded corner (1204) is formed between the planar side (1202) and the limiting side (1201), and a second rounded corner (1205) is formed between the arc-shaped side (1203) and the limiting side (1201). There are two second limiting protrusions (132). The two second limiting protrusions (132) are symmetrically arranged on both sides of the first limiting protrusion (131) and respectively abut against the two first rounded corners (1204). The first limiting protrusion (131) abuts against the planar side (1202).

10. A switching valve, characterized in that, The switching valve includes a main valve body, a drag frame, and a slider structure according to any one of claims 1 to 9. The slider structure is slidably disposed in the main valve body via the drag frame to switch the flow state of the main valve body.

11. An air conditioning system, characterized in that, The air conditioning system includes the switching valve as described in claim 10.

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