Anti-theft cap for refrigeration accessories

Abstract

The present application discloses an anti-theft cap for refrigeration accessories, including an inner ring, an outer ring and an unlocking piece, wherein the inner ring is detachably mounted on the refrigeration accessory, and the outer ring is limitedly sleeved on the inner ring and is suitable for relative rotation; when the anti-theft cap is disassembled, the unlocking piece is suitable for cooperating with the inner ring, and then the inner ring is driven to separate from the refrigeration accessory by driving the unlocking piece; a blocking portion is provided at the bottom end of the outer ring, and the blocking portion is suitable for limiting the inner ring to be located inside the outer ring. The beneficial effects of the present application: by providing the inner ring, the outer ring and the unlocking piece, under the protective effect of the outer ring, the installed inner ring cannot be disassembled from the refrigeration accessory, which can greatly improve the safety of the anti-theft cap; at the same time, due to the provision of the unlocking piece, the subsequent disassembly is also very convenient and fast.

Description

Technical Field

[0001] The present application relates to the technical field of valve protection accessories, and in particular to an anti-theft cap for refrigeration accessories. Background Art

[0002] In refrigeration accessories, such as air conditioners, one-way valves are used to prevent reverse flow of oil in hydraulic systems or to prevent reverse flow of compressed air in pneumatic systems. There are two types of one-way valves: straight-through and right-angle. Straight-through one-way valves are installed on the pipeline with threaded connections; right-angle one-way valves are available in three types: threaded, plate-type, and flanged.

[0003] A theft-proof cap is generally installed at the one-way valve to prevent others from releasing the valve core of the one-way valve, prevent the Freon gas added in the air conditioner from being released, and protect the valve core; however, it is inconvenient to remove the existing theft-proof cap after installation. Therefore, a refrigeration accessory theft-proof cap is proposed to solve the above technical problems. Utility Model Content

[0004] One of the purposes of the present application is to provide an anti-theft cap for refrigeration accessories.

[0005] In order to achieve the above purpose, the technical solution adopted in the present application is: a refrigeration accessory anti-theft cap, including an inner ring, an outer ring and an unlocking piece, the inner ring can be detachably installed on the refrigeration accessory, the outer ring is limitedly sleeved on the inner ring and is suitable for relative rotation; when the anti-theft cap is removed, the unlocking piece is suitable for cooperating with the inner ring, and then driving the unlocking piece to drive the inner ring to separate from the refrigeration accessory.

[0006] Preferably, a blocking portion is provided at the bottom end of the outer ring, and the blocking portion is suitable for limiting the inner ring to be located inside the outer ring.

[0007] Preferably, the blocking portion is integrally formed with the outer ring, and the bottom end of the outer ring is bent inwards to form the blocking portion.

[0008] Preferably, the blocking portion is a closed ring structure.

[0009] Preferably, the blocking portion has a segmented structure and is evenly distributed at the bottom end of the outer ring.

[0010] Preferably, the blocking portion gradually increases in thickness from bottom to top.

[0011] Preferably, the blocking portion is fixedly mounted on the bottom end of the outer ring, or the blocking portion is sleeve-mounted on the outer lower end of the outer ring.

[0012] Preferably, the inner ring cooperates with the refrigeration accessory via a thread; when the anti-theft cap is disassembled, the unlocking member is suitable for driving the inner ring to perform a spiral rotation until it is separated from the refrigeration accessory.

[0013] Preferably, a sealing ring is arranged inside the inner ring; when the anti-theft cap is installed, the sealing ring is abutted against the inner ring and the refrigeration accessory.

[0014] Preferably, an unlocking groove is provided at one end of the inner ring, an unlocking block is provided at one end of the unlocking member, and the unlocking member and the inner ring are plugged into and matched with the unlocking groove via the unlocking block.

[0015] Compared with the prior art, the beneficial effects of this application are:

[0016] The utility model is provided with an inner ring, an outer ring and an unlocking piece. Under the protective effect of the outer ring, the installed inner ring cannot be disassembled from the refrigeration accessories, which can greatly improve the safety of the anti-theft cap. At the same time, due to the provision of the unlocking piece, subsequent disassembly is also very convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the explosion structure of the utility model.

[0019] Figure 3 It is a schematic cross-sectional structure diagram of the anti-theft cap of the utility model.

[0020] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0021] Figure 5 It is a structural schematic diagram of the first embodiment of the blocking part of the utility model.

[0022] Figure 6 It is a structural schematic diagram of form 2 of the first embodiment of the blocking portion of the utility model.

[0023] Figure 7 It is a structural schematic diagram of the second embodiment of the blocking part of the utility model.

[0024] Figure 8 It is a schematic structural diagram of the third embodiment of the blocking part of the utility model.

[0025] Fig. 9 This is a schematic diagram of the sealing ring structure of the utility model.

[0026] Fig.10It is a schematic diagram of the specific shape and structure of the unlocking groove of the utility model.

[0027] In the figure: 1. air conditioning valve core; 2. unlocking piece; 3. outer ring; 4. unlocking block; 5. inner ring; 6. blocking part; 7. sealing ring; 8. unlocking groove; 9. through groove. DETAILED DESCRIPTION

[0028] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0029] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0030] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0031] One of the preferred embodiments of the present application is as follows: Figures 1 to 10 As shown, a refrigeration accessory anti-theft cap includes an inner ring 5, an outer ring 3 and an unlocking member 2. The inner ring 5 is detachably mounted on the refrigeration accessory, and the outer ring 3 is limitedly sleeved on the inner ring 5 and is suitable for relative rotation. It should be known that the inner ring 5 can be installed on the refrigeration accessory to protect it, and when the inner ring 5 needs to be removed, the inner ring 5 needs to be operated. The outer ring 3 is sleeved on the inner ring 5 and can rotate. Therefore, when the outer ring 3 is (rotated), the inner ring 5 is stationary, thereby realizing an anti-theft function.

[0032] like Figure 1 and Figure 2As shown, when disassembling the anti-theft cap, the unlocking member 2 and the inner ring 5 can be matched, and then the unlocking member 2 can be driven to drive the inner ring 5 to separate from the refrigeration accessories, so that the anti-theft cap can be disassembled, which is simple and convenient. In other words, when non-professionals operate (i.e., there is no unlocking member 2), due to the protective effect of the outer ring 3, the installed inner ring 5 cannot be disassembled from the refrigeration accessories, which can greatly improve its safety; at the same time, due to the setting of the unlocking member 2, the subsequent disassembly is also very convenient and fast.

[0033] It should be noted that the refrigeration accessories here are described by taking the air conditioning valve core 1 as an example. Of course, in the following embodiments, the air conditioning valve core 1 is used as an example for description.

[0034] One of the embodiments of the present application is as follows: Figures 3 to 8 As shown in the figure, the inner ring 5 and the outer ring 3 are matched in the following manner: a blocking portion 6 is provided at the bottom end of the outer ring 3, and the blocking portion 6 can limit the inner ring 5 inside the outer ring 3. It should be known that the inner ring 5 is inside the outer ring 3, and the blocking portion 6 can prevent the inner ring 5 from coming out of the outer ring 3, so the inner ring 5 and the outer ring 3 are matched flexibly, that is, the inner ring 5 can move axially inside the outer ring 3, and can also rotate axially inside the outer ring 3.

[0035] Of course, there are many structural forms of the blocking portion 6, including but not limited to the following three:

[0036] Structure 1 (such as Figure 4 As shown in FIG. 1 , the blocking portion 6 is integrally formed with the outer ring 3, and the bottom end of the outer ring 3 is bent inward to form the blocking portion 6, making the entire structure more compact and stable. This integrated molding process not only improves the integrity and compactness of the structure, but also simplifies the manufacturing process and reduces production costs.

[0037] It is understandable that if Figure 4 As shown by the dotted line in , the blocking portion 6 is in an unbent state at this time, that is, the entire cavity in the outer ring 3 is vertical. At this time, the inner ring 5 can be inserted into the outer ring 3, and then the blocking portion 6 is stamped and bent, thereby limiting the inner ring 5.

[0038] It should be known that if the bottom of the outer ring 3 is the same as the thickness of the outer ring 3, the outer ring 3 will be subject to very large resistance when bending, and the outer ring 3 may also bend and break when bending. Therefore, when performing stamping and bending, the bottom of the outer ring 3 can be chamfered first, that is, cut and polished, so that the thickness of the blocking part 6 (the bottom of the outer ring 3) gradually increases from bottom to top, so that the thinner part of the bottom of the outer ring 3 is bent, thereby significantly reducing the resistance during bending and effectively preventing the occurrence of bending and breaking. In addition, this treatment can also increase the flexibility of the bending angle of the outer ring 3, so that the blocking part 6 can better adapt to various complex installation environments.

[0039] Based on the above embodiment, that is, for the punching and bending method, the blocking portion 6 has the following two structural forms:

[0040] Form 1 (such as Figure 5 As shown): the blocking portion 6 is a closed ring structure, that is, the blocking portion 6 is an integral circular ring structure, which is integrally bent and deformed during stamping.

[0041] Form 2 (such as Figure 6 As shown): the blocking portion 6 is in a segmented structure and is evenly distributed at the bottom end of the outer ring 3, that is, on the basis of form one, the blocking portion 6 of the circular ring structure is cut into multiple parts. It can be understood that before punching and bending, the blocking portion 6 in an upright state is first cut into multiple parts, and then punching and bending are performed. At this time, there is a space for the adjacent blocking portions 6 to avoid when they are bent and deformed, so that the bending process is smoother and the problem of difficult bending or material breakage caused by the overall circular ring structure being too tight is avoided. Of course, when designing a method for cutting the blocking portion 6, an equidistant cutting method can be adopted to ensure that each cut blocking portion 6 remains consistent in length and shape, thereby ensuring the overall aesthetics and stability of the blocking portion 6 after bending and deformation.

[0042] Of course, the barrier portion 6 and the outer ring 3 can be directly processed by CNC machining, that is, there is no need for subsequent stamping and bending processes. In this case, the barrier portion 6 will interfere with the installation of the inner ring 5. Therefore, the following assembly method can be adopted: assembly by liquid nitrogen, that is, during assembly, the inner ring 5 is subjected to low temperature and shrinks, and then is inserted into the outer ring 3. After the inner ring 5 is assembled and placed at room temperature, the inner ring 5 can recover its deformation and be inserted into the outer ring 3.

[0043] Structure 2 (such as Figure 7 As shown): the blocking portion 6 is fixedly installed at the bottom end of the outer ring 3.

[0044] Structure 3 (such as Figure 8 As shown): the blocking portion 6 is sleeved and installed on the outer lower end of the outer ring 3.

[0045] It should be known that, for the second and third structures, the blocking portion 6 and the outer ring 3 are two independent (non-integrated) components. After the inner ring 5 is installed in the outer ring 3, the blocking portion 6 is fixedly installed at the bottom of the outer ring 3. For example, it can be installed by screws, welding, gluing, etc. For the third structure, the contact area between the blocking portion 6 and the outer ring 3 is larger, so the stability after installation is better than that of the second structure.

[0046] Finally, it should be noted that the above three structures can all meet actual needs, and technicians in this field can choose according to actual conditions.

[0047] One of the embodiments of the present application is as follows: Figure 2 and Figure 3 As shown, the inner ring 5 and the air conditioning valve core 1 are installed in such a way that the two are matched with each other through threads. When installing the anti-theft cap, the inner ring 5 is driven to rotate in a spiral by the unlocking member 2 until it abuts against the air conditioning valve core 1. When removing the anti-theft cap, similarly, the inner ring 5 is driven to rotate in a reverse spiral by the unlocking member 2 to separate the inner ring 5 from the air conditioning valve core 1.

[0048] Of course, in order to improve the sealing performance of the anti-theft cap after installation, a sealing ring 7 is provided inside the inner ring 5. When the anti-theft cap is installed, that is, after the inner ring 5 is tightened on the air conditioning valve core 1, the sealing ring 7 is matched with the inner ring 5 and the air conditioning valve core 1, thereby achieving the sealing performance of the air conditioning valve core 1 and preventing air leakage.

[0049] In this embodiment, Figure 2 and Fig. 9 As shown, the inner ring 5 and the unlocking member 2 cooperate in the following manner: an unlocking groove 8 is provided at one end of the inner ring 5, and an unlocking block 4 is provided at one end of the unlocking member 2. It should be known that the unlocking member 2 and the inner ring 5 are plugged and matched with each other through the unlocking block 4 and the unlocking groove 8. In other words, when the inner ring 5 needs to be rotated, the unlocking block 4 on the unlocking member 2 is inserted into the unlocking groove 8 on the inner ring 5, and the inner ring 5 can be driven to rotate through the unlocking block 4.

[0050] Of course, the unlocking slot 8 and the unlocking block 4 have various shapes and structures, but they should be non-circular structures, otherwise they will rotate relative to each other. On the other hand, an "uncommon" structure should also be adopted. If the unlocking slot 8 is a long strip structure, it is easy to remove the anti-theft cap with a commonly used screwdriver tool, which is less secure. Fig.10 As shown in (a), it can adopt a cam structure, such as Fig.10As shown in (b), it can adopt a regular hexagonal structure. Of course, other shapes can also be adopted, such as triangles, trapezoids, etc., that is, some shapes and structures that are not available in commonly used tools in life.

[0051] In this embodiment, in order to further improve the safety performance of the anti-theft cap, Fig. 9 As shown, the end of the outer ring 3 is a closed structure, that is, the outer ring 3 covers the entire inner ring 5, so that the protection effect of the inner ring 5 is better, but it cannot affect the plug-in fit between the unlocking piece 2 and the inner ring 5. Therefore, a through groove 9 matching the unlocking block 4 is provided at the end of the outer ring 3, that is, the shapes of the through groove 9 and the unlocking block 4 correspond to each other, and then when the anti-theft cap is disassembled, the unlocking block 4 can pass through the through groove 9 (outer ring 3) and then cooperate with the inner ring 5 inside.

[0052] The working principle of the utility model is:

[0053] When installing the anti-theft cap: first insert the unlocking block 4 of the unlocking member 2 from the through groove 9 of the outer ring 3, so that the unlocking block 4 is plugged into the unlocking groove 8 on the inner ring 5, and then the inner ring 5 is driven by the unlocking member 2 to rotate in a spiral, so that the inner ring 5 is screwed and tightened on the air conditioning valve core 1, and finally the unlocking member 2 is pulled out, and the outer ring 3 is sleeved on the inner ring 5 and can rotate, so when the outer ring 3 is (rotated), the inner ring 5 is stationary, thereby realizing an anti-theft function. When disassembling the anti-theft cap, the same is true, that is, first the unlocking block 4 is plugged into the unlocking groove 8, and then the inner ring 5 is driven by the unlocking member 2 to rotate in the opposite direction until the inner ring 5 is separated from the air conditioning valve core 1.

[0054] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. A refrigeration accessory anti-theft cap, characterized in that: include: An inner ring, an outer ring and an unlocking piece, wherein the inner ring is detachably mounted on a refrigeration accessory, and the outer ring is limitedly sleeved on the inner ring and is suitable for relative rotation; when the anti-theft cap is removed, the unlocking piece is suitable for cooperating with the inner ring, and then the inner ring is driven to separate from the refrigeration accessory by driving the unlocking piece.

2. The anti-theft cap for refrigeration accessories according to claim 1, characterized in that: A blocking portion is provided at the bottom end of the outer ring, and the blocking portion is suitable for limiting the inner ring to be located inside the outer ring.

3. The anti-theft cap for refrigeration accessories according to claim 2, characterized in that: The blocking portion is integrally formed with the outer ring, and the bottom end of the outer ring is bent inwardly to form the blocking portion.

4. The anti-theft cap for refrigeration accessories according to claim 3, characterized in that: The blocking portion is in a closed ring structure.

5. The anti-theft cap for refrigeration accessories according to claim 3, characterized in that: The blocking parts are in a segmented structure and are evenly distributed at the bottom end of the outer ring.

6. The anti-theft cap for refrigeration accessories according to any one of claims 3 to 5, characterized in that: The blocking portion has a thickness that gradually increases from bottom to top.

7. The anti-theft cap for refrigeration accessories according to claim 2, characterized in that: The blocking part is fixedly installed on the bottom end of the outer ring, or the blocking part is sleeve-installed on the outer lower end of the outer ring.

8. The anti-theft cap for refrigeration accessories according to claim 6, characterized in that: The inner ring is matched with the refrigeration accessory through a thread; when the anti-theft cap is disassembled, the unlocking member is suitable for driving the inner ring to rotate spirally until it is separated from the refrigeration accessory.

9. The anti-theft cap for refrigeration accessories according to claim 8, characterized in that: A sealing ring is arranged inside the inner ring; when the anti-theft cap is installed, the sealing ring is abutted against the inner ring and the refrigeration accessory.

10. The anti-theft cap for refrigeration accessories according to claim 9, characterized in that: An unlocking groove is arranged at one end of the inner ring, an unlocking block is arranged at one end of the unlocking member, and the unlocking member and the inner ring are plugged into and matched with the unlocking groove through the unlocking block.

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