Air conditioner R32 refrigerant anti-disassembly copper nut

Abstract

The utility model relates to the technical field of anti-disassembly pipeline connectors, in particular to an air conditioner R32 refrigerant anti-disassembly copper nut which comprises a copper pipe and an installation assembly. The mounting assembly comprises a connecting pipe, a pipe joint, a pipe nut, an anti-disassembly cover, an anti-disassembly box, a convex clasp, a concave clasp and a buckling component, the pipe nut is slidably mounted on one side of the copper pipe, the pipe joint is in threaded connection with the pipe nut and abuts against the copper pipe, the connecting pipe is fixedly mounted on the side, away from the copper pipe, of the pipe joint, and the anti-disassembly box is slidably connected with the copper pipe; the buckling component is connected with the anti-disassembly box, the anti-disassembly cover is connected with the buckling component, the convex buckling hook is fixedly installed on the side, close to the anti-disassembly box, of the anti-disassembly cover, the concave buckling hook is fixedly connected with the anti-disassembly box and connected with the convex buckling hook in a clamped mode, and therefore the using effect of the anti-disassembly copper nut is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-disassembly pipeline joints, in particular to an anti-disassembly copper nut for R32 refrigerant of an air conditioner. Background Art

[0002] At present, the indoor side of split-type air conditioners with ordinary working fluids uses copper joints and pipe nuts to connect the evaporator and the connecting pipe. However, for air conditioners using flammable refrigerants such as R32 and R290, reusable mechanical connecting joints and bell-mouth interfaces are not allowed to be placed in the indoor part of the appliance, and the connection method is required to be non-detachable. The usual device is a fixed connection between the copper pipe and the copper joint, and the connecting pipe and the pipe nut. During the installation of the copper joint and the pipe nut, the pipe nut drives the connecting pipe to rotate when it rotates. This installation method causes the connecting pipe to be driven by the pipe nut to rotate during installation, which can easily damage the connecting pipe, making it inconvenient for staff to install and disassemble the copper pipe and the connecting pipe, thereby affecting the use effect of the device.

[0003] The prior art CN207584209U discloses an anti-disassembly pipe joint of an air conditioner, comprising a copper pipe, a copper joint, a pipe nut, an auxiliary nut, a connecting pipe and a connecting pipe bell mouth, the copper pipe is connected with the connecting pipe bell mouth and the copper joint, the connecting pipe is rotatably connected with the pipe nut, the rotating pipe nut, the pipe nut and the copper joint are threadedly connected, the pipe nut drives the connecting pipe to abut against the connecting pipe bell mouth when rotating, so that the copper pipe and the connecting pipe are connected, the pipe nut strengthens the sealing between the connecting pipe and the connecting pipe bell mouth during the rotation process, so that the staff can easily install and disassemble the copper pipe and the connecting pipe, thereby improving the use effect of the device.

[0004] In normal use, the prior art does not protect the connection between the copper joint and the connecting pipe after the copper joint and the connecting pipe are installed. When the connection between the copper pipe and the connecting pipe is hit, it is easy to be damaged and leak, which affects the sealing effect of the copper pipe and the connecting pipe, thereby affecting the use effect of the anti-dismantling copper nut. Utility Model Content

[0005] The utility model aims to provide an anti-dismantling copper nut for R32 refrigerant in an air conditioner, which solves the problem that after the copper joint and the connecting pipe are installed, the connection between the copper joint and the connecting pipe is not protected in the prior art, and when the connection between the copper pipe and the connecting pipe is hit, it is easy to be damaged and leak, which affects the sealing effect of the copper pipe and the connecting pipe, thereby affecting the use effect of the anti-dismantling copper nut.

[0006] To achieve the above-mentioned purpose, the utility model provides an anti-dismantling copper nut for R32 refrigerant of an air conditioner, comprising a copper tube and an installation assembly; the installation assembly comprises a connecting tube, a pipe joint, a pipe nut, an anti-dismantling cover, an anti-dismantling box, a convex hook, a concave hook and a snap-fitting component, the pipe nut is slidably installed on one side of the copper tube, the pipe joint is threadedly connected to the pipe nut and abuts against the copper tube, the connecting tube is fixedly installed on the side of the pipe joint away from the copper tube, the anti-dismantling box is slidably connected to the copper tube and to the connecting tube, the snap-fitting component is connected to the anti-dismantling box, the anti-dismantling cover is connected to the snap-fitting component, the convex hook is fixedly installed on the side of the anti-dismantling cover close to the anti-dismantling box, the concave hook is fixedly connected to the anti-dismantling box and snap-fitted with the convex hook.

[0007] Among them, the pipe nut has an internal thread, which is located on a side of the pipe nut close to the pipe joint and cooperates with the pipe joint; the pipe joint has an external thread, which is located on a side of the pipe joint close to the internal thread and cooperates with the internal thread.

[0008] Wherein, the concave buckle hook has a positioning groove, and the positioning groove is located on a side of the concave buckle hook close to the convex buckle hook and cooperates with the convex buckle hook.

[0009] Wherein, the buckling component includes an upper buckle block and a lower buckle block, the upper buckle block is fixedly connected to the anti-dismantling cover and is located on a side of the anti-dismantling cover close to the anti-dismantling box; the lower buckle block is fixedly connected to the anti-dismantling box and is slidably connected to the upper buckle block.

[0010] Wherein, the installation assembly further comprises a sealing ring and a sealing frame, wherein the sealing frame is fixedly connected to the pipe nut and is located on a side of the pipe nut close to the pipe joint; the sealing ring is sleeved on the sealing frame.

[0011] The utility model provides an anti-dismantling copper nut for R32 refrigerant in an air conditioner. The tube nut is rotated to install the tube nut on the tube joint. At the same time, the tube nut drives the copper tube to abut against the tube joint and is installed between the copper tube and the connecting tube. The two ends of the anti-dismantling box are respectively sleeved on the copper tube and the connecting tube. The anti-dismantling cover is buckled on the anti-dismantling box. At the same time, the anti-dismantling cover drives the convex buckle hook to clamp with the concave buckle hook of the anti-dismantling cover. The anti-dismantling box and the convex buckle hook cooperate to protect the connection between the copper tube and the connecting tube, thereby improving the use effect of the anti-dismantling copper nut. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the R32 refrigerant anti-disassembly copper nut for air conditioners in the first embodiment of the utility model.

[0014] Figure 2 The utility model is a structural schematic diagram of a pipe joint and a pipe nut.

[0015] Figure 3 It is a structural schematic diagram of a pipe nut and an internal thread of the utility model.

[0016] Figure 4 It is a structural schematic diagram of the anti-disassembly box and the concave buckle hook of the utility model.

[0017] Figure 5 It is a structural schematic diagram of the sealing ring and the sealing frame of the utility model.

[0018] In the figure: 101-copper tube, 102-connecting tube, 103-pipe joint, 104-pipe nut, 105-anti-dismantling cover, 106-anti-dismantling box, 107-convex buckle hook, 108-concave buckle hook, 109-internal thread, 110-external thread, 111-positioning groove, 112-upper buckle block, 113-lower buckle block, 201-sealing ring, 202-sealing frame. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figure 1-Figure 4 , Figure 1 This is a schematic diagram of the overall structure of the R32 refrigerant anti-disassembly copper nut for air conditioners in the first embodiment of the utility model. Figure 2 It is a structural schematic diagram of the pipe joint and the pipe nut of the utility model. Figure 3 It is a structural schematic diagram of the pipe nut and the internal thread of the utility model. Figure 41 is a schematic diagram of the structure of the anti-disassembly box and the concave hook of the utility model. The utility model provides an anti-disassembly copper nut for R32 refrigerant of an air conditioner, including a copper tube 101 and an installation assembly; the installation assembly includes a connecting tube 102, a pipe joint 103, a pipe nut 104, an anti-disassembly cover 105, an anti-disassembly box 106, a convex hook 107, a concave hook 108 and a buckling component, the pipe nut 104 has an internal thread 109, the pipe joint 103 has an external thread 110, the concave hook 108 has a positioning groove 111, and the buckling component includes an upper buckle block 112 and a lower buckle block 113. The above-mentioned solution solves the existing technical After the copper joint and the connecting pipe 102 are installed, the connection between the copper joint and the connecting pipe 102 is not protected. When the connection between the copper pipe 101 and the connecting pipe 102 is hit, it is easy to be damaged and leak. The sealing effect of the copper pipe 101 and the connecting pipe 102 is affected, thereby affecting the use effect of the anti-dismantling copper nut. It can be understood that the above-mentioned scheme can be used in the prior art when the connection between the copper pipe 101 and the connecting pipe 102 is not protected after being installed.

[0022] According to this specific embodiment, the tube nut 104 is installed on the tube joint 103 by rotating the tube nut 104, and at the same time, the tube nut 104 drives the copper tube 101 to abut against the tube joint 103, and is installed between the copper tube 101 and the connecting tube 102, and the two ends of the anti-dismantling box 106 are respectively sleeved on the copper tube 101 and the connecting tube 102, and the anti-dismantling cover 105 is buckled on the anti-dismantling box 106, and at the same time, the anti-dismantling cover 105 drives the convex hook 107 to engage with the concave hook 108 of the anti-dismantling cover 105, and the anti-dismantling box 106 and the convex hook 107 cooperate to protect the connection between the copper tube 101 and the connecting tube 102, thereby improving the use effect of the anti-dismantling copper nut.

[0023] The pipe nut 104 is slidably mounted on one side of the copper pipe 101, the pipe joint 103 is threadedly connected to the pipe nut 104 and abuts against the copper pipe 101, the connecting pipe 102 is fixedly mounted on the side of the pipe joint 103 away from the copper pipe 101, the anti-disassembly box 106 is slidably connected to the copper pipe 101 and is slidably connected to the connecting pipe 102, the buckling component is connected to the anti-disassembly box 106, the anti-disassembly cover 105 is connected to the buckling component, the convex buckle hook 107 is fixedly mounted on the side of the anti-disassembly cover 105 close to the anti-disassembly box 106, the concave buckle hook 108 is fixedly connected to the anti-disassembly box 106 and is snap-fitted with the convex buckle hook 107, and the right side of the copper pipe 101 is fixedly mounted on the anti-disassembly box 106. The side is designed with a bell mouth, the left side of the tube nut 104 is designed with a through hole, the right side of the tube nut 104 is hollow, the inner side of the right end of the tube nut 104 is designed with an internal thread 109, the inner side of the tube nut 104 is slidably connected to the outer side of the copper tube 101, the end of the pipe joint 103 is designed with a through hole, the outer side of the left end of the pipe joint 103 is designed with an external thread 110, the inner side of the pipe joint 103 is fixedly connected to the outer side of the left end of the connecting pipe 102, the external thread 110 of the pipe joint 103 is connected to the internal thread 109 of the tube nut 104, the top of the anti-disassembly box 106 is hollow, the top two ends of the anti-disassembly box 106 are designed with mounting grooves, the bottom of the anti-disassembly cover 105 is hollow, and the anti-disassembly box The bottom ends of 106 are designed with installation grooves, and the installation grooves at both ends of the anti-dismantling box 106 are respectively slidably connected to the outer side of the copper tube 101 and the outer side of the connecting tube 102, and the buckling component improves the buckling stability between the anti-dismantling cover 105 and the anti-dismantling box 106, and the installation grooves at both ends of the anti-dismantling cover 105 are respectively slidably connected to the outer side of the copper tube 101 and the outer side of the connecting tube 102, and the side of the concave buckle hook 108 is designed with a positioning groove, and there are four concave buckle hooks 108, and the four concave buckle hooks 108 are respectively located at the left and right sides of the inner side of the anti-dismantling box 106. There are four convex buckle hooks 107, and the four convex buckle hooks 107 are respectively located at the left and right sides of the inner side of the anti-dismantling cover 105. Front and back ends, The tube nut 104 is installed on the tube joint 103 by rotating the tube nut 104, and at the same time, the tube nut 104 drives the copper tube 101 to abut against the tube joint 103, and is installed between the copper tube 101 and the connecting tube 102. The two ends of the anti-disassembly box 106 are respectively sleeved on the copper tube 101 and the connecting tube 102, and the anti-disassembly cover 105 is buckled on the anti-disassembly box 106. At the same time, the anti-disassembly cover 105 drives the convex hook 107 to engage with the concave hook 108 of the anti-disassembly cover 105. The anti-disassembly box 106 and the convex hook 107 cooperate to protect the connection between the copper tube 101 and the connecting tube 102, thereby improving the use effect of the anti-disassembly copper nut.

[0024] Secondly, the pipe nut 104 has an internal thread 109, which is located on a side of the pipe nut 104 close to the pipe joint 103 and cooperates with the pipe joint 103; the pipe joint 103 has an external thread 110, which is located on a side of the pipe joint 103 close to the internal thread 109 and cooperates with the internal thread 109. The internal thread 109 is located on the inner side of the right end of the pipe nut 104, and the external thread 110 is located on the outer side of the left end of the pipe joint 103. By rotating the pipe nut 104, the internal thread 109 cooperates with the external thread 110, and the pipe nut 104 is installed on the pipe joint 103, thereby realizing the connection between the pipe nut 104 and the pipe joint 103.

[0025] Then, the concave hook 108 has a positioning groove 111, and the positioning groove 111 is located on the side of the concave hook 108 close to the convex hook 107 and cooperates with the convex hook 107. The positioning groove 111 is located on the side of the concave hook 108, and the positioning groove 111 is clamped with the horizontal end of the convex hook 107. The convex hook 107 is driven by the anti-disassembly cover 105 to be clamped on the concave hook 108, thereby realizing the installation of the anti-disassembly cover 105 on the anti-disassembly box 106.

[0026] Finally, the upper buckle block 112 is fixedly connected to the anti-disassembly cover 105 and is located on a side of the anti-disassembly cover 105 close to the anti-disassembly box 106; the lower buckle block 113 is fixedly connected to the anti-disassembly box 106 and is slidably connected to the upper buckle block 112, the upper buckle block 112 is located on the outer side of the bottom of the opening end of the anti-disassembly cover 105, and the outer side of the lower buckle block 113 is on the inner side of the top of the opening end of the anti-disassembly box 106. When the anti-disassembly cover 105 is buckled with the anti-disassembly box 106, the anti-disassembly cover 105 drives the upper buckle block 112 and the lower buckle block 113 to slide, thereby improving the buckling stability between the anti-disassembly cover 105 and the anti-disassembly box 106

[0027] When using the R32 refrigerant anti-disassembly copper nut for air conditioning of the present embodiment, the tube nut 104 is rotated to be installed on the tube joint 103, and at the same time, the tube nut 104 drives the copper tube 101 to abut against the tube joint 103, and is installed between the copper tube 101 and the connecting tube 102, and the two ends of the anti-disassembly box 106 are respectively sleeved on the copper tube 101 and the connecting tube 102, and the anti-disassembly cover 105 is buckled on the anti-disassembly box 106, and at the same time, the anti-disassembly cover 105 drives the convex hook 107 to engage with the concave hook 108 of the anti-disassembly cover 105, and the anti-disassembly box 106 and the convex hook 107 cooperate to protect the connection between the copper tube 101 and the connecting tube 102, thereby improving the use effect of the anti-disassembly copper nut.

[0028] The second embodiment of the present application is:

[0029] See also Figure 5 , Figure 5 20 is a schematic diagram of the structure of the sealing ring and the sealing frame of the utility model. On the basis of the first embodiment, the installation assembly of this embodiment further includes a sealing ring 201 and a sealing frame 202.

[0030] According to this specific embodiment, the sealing ring 201 is driven by the pipe nut 104 to abut against the pipe joint 103 , thereby improving the sealing performance between the pipe joint 103 and the pipe nut 104 .

[0031] Among them, the sealing frame 202 is fixedly connected to the pipe nut 104 and is located on the side of the pipe nut 104 close to the pipe joint 103; the sealing ring 201 is sleeved on the sealing frame 202, and the inner right end of the pipe nut 104 is designed with a mounting groove. The sealing frame 202 is a cylinder, and the inner side of the sealing frame 202 is designed with a mounting groove. The right side of the sealing frame 202 is designed with a groove. The outer side of the sealing frame 202 is fixedly connected to the mounting groove of the pipe nut 104. The sealing ring 201 is made of rubber. The sealing ring 201 is located on the inner side of the sealing frame 202, and the sealing ring 201 is driven by the pipe nut 104 to abut against the pipe joint 103, thereby improving the sealing between the pipe joint 103 and the pipe nut 104.

[0032] When the air conditioner R32 refrigerant anti-disassembly copper nut of this embodiment is used, the pipe nut 104 drives the sealing ring 201 to abut against the pipe joint 103, thereby improving the sealing between the pipe joint 103 and the pipe nut 104.

[0033] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An air conditioner R32 refrigerant anti-tamper copper nut, including a copper tube, characterized in that: Also included are mounting components; The installation assembly includes a connecting pipe, a pipe joint, a pipe nut, an anti-dismantling cover, an anti-dismantling box, a convex hook, a concave hook and a snap-fitting component. The pipe nut is slidably installed on one side of the copper pipe, the pipe joint is threadedly connected to the pipe nut and abuts against the copper pipe, the connecting pipe is fixedly installed on the side of the pipe joint away from the copper pipe, the anti-dismantling box is slidably connected to the copper pipe and to the connecting pipe, the snap-fitting component is connected to the anti-dismantling box, the anti-dismantling cover is connected to the snap-fitting component, the convex hook is fixedly installed on the side of the anti-dismantling cover close to the anti-dismantling box, the concave hook is fixedly connected to the anti-dismantling box and snap-fitted with the convex hook.

2. The R32 refrigerant anti-disassembly copper nut for air conditioning as claimed in claim 1, characterized in that: The pipe nut has an internal thread, which is located on a side of the pipe nut close to the pipe joint and cooperates with the pipe joint; the pipe joint has an external thread, which is located on a side of the pipe joint close to the internal thread and cooperates with the internal thread.

3. The R32 refrigerant anti-disassembly copper nut for air conditioning as claimed in claim 1, characterized in that: The concave buckle hook has a positioning groove, which is located on a side of the concave buckle hook close to the convex buckle hook and cooperates with the convex buckle hook.

4. The R32 refrigerant anti-disassembly copper nut for air conditioning as claimed in claim 1, characterized in that: The buckling component includes an upper buckle block and a lower buckle block. The upper buckle block is fixedly connected to the anti-disassembly cover and is located on a side of the anti-disassembly cover close to the anti-disassembly box; the lower buckle block is fixedly connected to the anti-disassembly box and is slidably connected to the upper buckle block.

5. The R32 refrigerant anti-disassembly copper nut for air conditioning as claimed in claim 1, characterized in that: The installation assembly also includes a sealing ring and a sealing frame. The sealing frame is fixedly connected to the pipe nut and is located on a side of the pipe nut close to the pipe joint. The sealing ring is sleeved on the sealing frame.

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