Connecting pipe anti-corrosion device
The connecting pipe anti-corrosion device addresses the corrosion and leakage issues by applying anti-rust oil through a shell and spraying system, ensuring a continuous anti-corrosion layer to enhance pipe reliability and extend service life.
Patent Information
- Application Number
- CN202420576586.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-03-25
AI Technical Summary
The traditional method of producing connecting pipes is prone to oxidation and corrosion, leading to significant corrosion and leakage issues, with over 80% of returned units exhibiting corrosion and leakage, necessitating improved corrosion resistance and extended service life.
A connecting pipe anti-corrosion device comprising a shell, throttling device, connecting device, and spraying device, which applies anti-rust oil to the pipe surface using a water-absorbing material to prevent corrosive media penetration and form a continuous anti-corrosion layer.
The device effectively prevents corrosion by maintaining a continuous anti-corrosion layer, reducing after-sales corrosion and leakage, and extending the service life of air-conditioning units.
Smart Images

Figure CN222255605U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anti-corrosion of connecting pipes, in particular to an anti-corrosion device for connecting pipes. Background Art
[0002] The connecting pipe is an important component that connects the indoor and outdoor units of the air conditioner. It mainly serves as a channel for the circulation of refrigerant when the air conditioner is running. The corrosion protection of the connecting pipe has become a key control part.
[0003] The traditional production method of connecting pipes is that the feeder straightens and cuts the connecting pipes from the coils and then inserts the insulation pipes. This method is prone to oxidation and corrosion on the surface of the connecting pipes. Through after-sales data review and many years of machine connection pipe review, it was found that the corrosion and leakage of the connecting pipe wall are abnormally prominent. More than 80% of the old connecting pipes returned by after-sales service are obviously corroded and leaked. After comparing multiple products, it was found that corrosion and leakage of connecting pipes are common problems, and it is urgently necessary to tackle the problem and improve their corrosion resistance and extend their service life. Utility Model Content
[0004] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the utility model is to develop a connecting pipe anti-corrosion device to ensure that there is a layer of anti-rust oil on the surface of the connecting pipe during the feeding process, effectively preventing corrosive media such as water, oxygen, and electrolyte ions in the air from penetrating into the coating, blocking the corrosion cell from forming a pathway, and effectively inhibiting corrosion activity, thereby improving the corrosion resistance of the copper tube, improving the reliability of the connecting pipe, and extending the service life of the air-conditioning unit.
[0005] The utility model adopts the following technical solution to solve the technical problem: a connecting pipe anti-corrosion device, comprising a shell, a throttling device, a connecting device, and a spraying device. The throttling device is connected to the spraying device through the shell, the connecting device is fixed to the outer wall of the shell, and the shell is filled with water-absorbing material.
[0006] As a further improvement of the utility model: the shell comprises a box body, a box cover and a hinge, and the box body and the box cover are connected by the hinge.
[0007] As a further improvement of the utility model: the throttling device comprises a first throttle valve and a second throttle valve, the first throttle valve is fixed on the left side of the box cover, and the second throttle valve is fixed on the right side of the box cover.
[0008] As a further improvement of the utility model: the shell further comprises a handle, and the handle is a U-shaped handle fixed on the box cover.
[0009] As a further improvement of the utility model: the spray device comprises a first nozzle and a second nozzle, the first nozzle is connected to the first throttle valve, and the second nozzle is connected to the second throttle valve.
[0010] As a further improvement of the present invention: the connecting device comprises a shaft sleeve, and the shaft sleeve is fixed to the housing via a fixing piece.
[0011] As a further improvement of the utility model: the shaft sleeve comprises a first shaft sleeve and a second shaft sleeve, the first shaft sleeve is fixed to the left side of the shell through a fixing piece, and the second shaft sleeve is fixed to the right side of the shell through a fixing piece.
[0012] As a further improvement of the utility model: it also includes an oil leakage nozzle, and the oil leakage nozzle is arranged on one side of the shell.
[0013] As a further improvement of the utility model: the shell further comprises a groove structure, the groove structure comprises a first groove and a second groove, the first groove is arranged on the left side of the shell, and the second groove is arranged on the right side of the shell.
[0014] As a further improvement of the utility model: it also includes a slope structure, and the inner bottom of the shell is provided with the slope structure.
[0015] Compared with the prior art, the beneficial effects of the utility model are: a connecting pipe anti-corrosion device, the connecting pipe adds an anti-corrosion device, which effectively prevents the corrosive medium in the air from corroding the outer surface of the copper pipe, the corrosion resistance of the outer surface of the connecting pipe is significantly improved, and the after-sales corrosion and leakage abnormalities are reduced, and the after-sales maintenance cost and the connecting pipe scrapping cost are reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the main structure of the utility model.
[0017] Figure 2 It is a side structural schematic diagram of the utility model.
[0018] Figure 3 It is a schematic diagram of the top structure of the utility model.
[0019] Figure 4 It is a schematic diagram of the structure of the utility model in use state.
[0020] Wherein: 1. box body, 2. box cover, 3. U-shaped handle, 4. first throttle valve, 41 second throttle valve, 5. first nozzle, 51 second nozzle, 6. first shaft sleeve, 61 second shaft sleeve, 7. oil leakage nozzle, 8. first groove, 81 second groove, 9. slope structure, 10. hinge. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0023] In the description of this application, "and / or" is only a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent three situations: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the previous and next associated objects are in an "or" relationship. The utility model is further explained in combination with the accompanying drawings and embodiments: a connecting pipe anti-corrosion device, including a shell, a throttling device, a connecting device, and a spraying device, the throttling device is connected to the spraying device through the shell, the connecting device is fixed to the outer wall of the shell, and the shell is filled with absorbent material.
[0024] As a further improvement of the utility model: the housing comprises a box body 1 , a box cover 2 and a hinge 10 , and the box body 1 and the box cover 2 are connected via the hinge 10 .
[0025] As a further improvement of the utility model: the throttling device comprises a first throttle valve 4 and a second throttle valve 41 , the first throttle valve 4 is fixed on the left side of the box cover 2 , and the second throttle valve 41 is fixed on the right side of the box cover 2 .
[0026] As a further improvement of the present invention: the housing further comprises a handle, and the handle is a U-shaped handle 3 fixed on the box cover.
[0027] As a further improvement of the utility model: the spray device comprises a first nozzle 5 and a second nozzle 51 , the first nozzle 5 is connected to the first throttle valve 4 , and the second nozzle 51 is connected to the second throttle valve 41 .
[0028] As a further improvement of the utility model: the connecting device comprises a shaft sleeve, and the shaft sleeve is fixed to the housing via a fixing piece; the fixing piece is a screw.
[0029] As a further improvement of the utility model: the shaft sleeve includes a first shaft sleeve 6 and a second shaft sleeve 61, the first shaft sleeve 6 is fixed to the left side of the housing through a fixing member, and the second shaft sleeve 61 is fixed to the right side of the housing through a fixing member. The fixing member is a screw, but is not limited to a screw, and may also include other components for fixing.
[0030] As a further improvement of the utility model, an oil leakage nozzle 7 is included, and the oil leakage nozzle 7 is arranged on one side of the shell.
[0031] As a further improvement of the present invention: the shell further comprises a groove structure, the groove structure comprises a first groove 8 and a second groove 81, the first groove 8 is arranged on the left side of the shell, and the second groove 81 is arranged on the right side of the shell.
[0032] As a further improvement of the utility model: it also includes a slope structure 9, and the inner bottom of the shell is provided with the slope structure 9.
[0033] The working principle of the utility model is as follows: a connecting pipe anti-corrosion device is added to the vacant position of the existing equipment, that is, the position after the connecting pipe is straightened. The connecting pipe anti-corrosion device is composed of six parts, namely a box body 1, a box cover 2, a shaft sleeve, a hinge 10, a throttle valve, and an oil leakage nozzle 7; the box body 1 and the box cover 2 are connected by a hinge 10, which is convenient for employees to open and close the device through a U-shaped handle 3 to check the internal operation; two throttle valves are fixed on the box cover 2, and the throttle valve is connected to an anti-corrosion oil supply pipe. The four-way valve controls the injection amount of the anti-corrosion oil. The anti-corrosion oil is continuously transported to the throttle valve position through the four-way valve and the oil pipe to spray the anti-corrosion oil onto the device. A sponge is placed inside the anti-corrosion device, and the anti-corrosion oil sprayed from the throttle valve is sprayed onto the sponge to keep the sponge surface continuously moist. There is always anti-corrosion oil to prevent the connecting pipe from passing through the anti-corrosion device due to the lack of anti-corrosion oil on the sponge or the evaporation of oil, resulting in the connecting pipe not being in contact with the anti-corrosion oil, and the inability to effectively ensure the anti-corrosion effect; the center distance between the two holes of the box body 1 is consistent with the center distance between the two pipes of the connecting pipe, effectively ensuring the consistency of the connecting pipe passing through the anti-corrosion tooling box 1 to avoid distortion; the bushing is made of nylon and fixed to the box body by screws, and the nylon material can avoid the hidden danger of scratches when the connecting pipe passes through; groove structures are installed at both ends of the box body to facilitate its fixation on the equipment, ensure the stability of operation, and avoid shaking. An oil leakage nozzle 7 is installed on one side of the box body 1 to facilitate the recycling of the anti-corrosion oil. A slope structure 9 is added inside the box body to ensure that the anti-corrosion oil gathers at the oil leakage nozzle 7.
[0034] Implementation case 1:
[0035] Combination Figure 1-Figure 4 A connecting pipe anti-corrosion device includes a shell, a throttling device, a connecting device, and a spraying device. The throttling device is connected to the spraying device through the shell, the connecting device is fixed to the outer wall of the shell, and the shell is filled with absorbent material.
[0036] The housing comprises a box body 1, a box cover 2 and a hinge 10, wherein the box body 1 is connected to the box cover 2 via the hinge 10. The housing further comprises a handle, wherein the handle is a U-shaped handle 3 fixed on the box cover, and when using the device, it is convenient for employees to open and close the device through the U-shaped handle 3 to check the internal operation.
[0037] The throttling device comprises a first throttle valve 4 and a second throttle valve 41 . The first throttle valve 4 is fixed on the left side of the box cover 2 , and the second throttle valve 41 is fixed on the right side of the box cover 2 .
[0038] The spray device includes a first nozzle 5 and a second nozzle 51, wherein the first nozzle 5 is connected to the first throttle valve 4, and the second nozzle 51 is connected to the second throttle valve 41. Two throttle valves are fixed on the box cover 2, and the throttle valves are connected to the anti-corrosion oil supply pipes. The four-way valve controls the spraying amount of the anti-corrosion oil. The anti-corrosion oil is continuously transported through the four-way valve and the oil pipe to the throttle valve position to spray the anti-corrosion oil to the device. A sponge is placed inside the anti-corrosion device, and the anti-corrosion oil sprayed from the throttle valve is sprayed onto the sponge to keep the surface of the sponge continuously moist and retain the anti-corrosion oil, so as to avoid the connection pipe passing through the anti-corrosion device. When there is no anti-corrosion oil on the sponge or the oil evaporates, the connection pipe cannot contact the anti-corrosion oil, and the anti-corrosion effect cannot be effectively guaranteed.
[0039] The connecting device comprises a shaft sleeve, and the shaft sleeve is fixed to the housing by screws.
[0040] The shaft sleeve comprises a first shaft sleeve 6 and a second shaft sleeve 61 . The first shaft sleeve 6 is fixed to the left side of the housing by screws, and the second shaft sleeve 61 is fixed to the right side of the housing by screws.
[0041] The shaft sleeve is fixed to the box body using nylon material, and the nylon material can avoid the hidden danger of scratches when the connecting pipe passes through.
[0042] It comprises an oil leakage nozzle 7, and the oil leakage nozzle 7 is arranged on one side of the shell.
[0043] The shell also includes a groove structure, which includes a first groove 8 and a second groove 81. The first groove 8 is arranged on the left side of the shell, and the second groove 81 is arranged on the right side of the shell. The groove structure is installed at both ends of the box body to facilitate fixing it on the equipment, ensure the stability of operation, and avoid shaking.
[0044] It also includes a slope structure 9, and the inner bottom of the shell is provided with the slope structure 9.
[0045] A slope structure is added inside the box body to ensure that the anti-corrosion oil gathers at the oil leakage nozzle, which is convenient for the recovery and utilization of the anti-corrosion oil. The anti-corrosion device uses a solenoid valve for docking, and the nozzle supplies anti-corrosion oil to ensure the anti-corrosion effect. A sponge is used inside to ensure the consistency of the anti-corrosion coating.
[0046] The main functions of this utility model:
[0047] An anti-corrosion device for connecting pipes is developed. The anti-corrosion device provides OA-386 anti-rust oil to ensure that there is a layer of anti-rust oil on the surface of the connecting pipe during the feeding process, which effectively prevents corrosive media such as water, oxygen, and electrolyte ions in the air from penetrating into the coating, blocks the corrosion cells from forming pathways, effectively inhibits corrosion activities, improves the corrosion resistance of copper pipes, improves the reliability of connecting pipes, and extends the service life of air-conditioning units.
[0048] Implementation case 2:
[0049] Combination Figure 1-Figure 4 :
[0050] The traditional method of producing connecting pipes is that the feeding machine straightens and cuts the connecting pipes from the coils and then inserts them into the insulation pipe. This method of operation fails to effectively block the corrosive media in the air from penetrating into the copper pipe, and the surface of the connecting pipe is prone to oxidation and corrosion.
[0051] Add anti-corrosion devices to the vacant positions of existing equipment, i.e. the positions after the connecting pipes are straightened. The device is as shown in the figure below.
[0052] The connecting pipe anti-corrosion device is composed of six parts, namely box: 1, box cover 2, shaft sleeve, hinge 10, throttle valve, oil leakage nozzle 7; the box body 1 and the box cover 2 are connected by hinge 10, which is convenient for employees to open and close the device through the U-shaped handle 3 to check the internal operation status; two throttle valves are fixed on the box cover, and the throttle valve is connected to the anti-corrosion oil supply pipe. The four-way valve controls the injection amount of the anti-corrosion oil. The anti-corrosion oil is continuously transported to the throttle valve position through the four-way valve and the oil pipe to spray the anti-corrosion oil to the device. Water-absorbing material is placed inside the anti-corrosion device. The water-absorbing material is a filter sponge. The anti-corrosion oil sprayed out of the throttle valve is sprayed onto the filter sponge to keep the sponge surface continuously moist and retain the anti-corrosion oil to avoid continuous When the connecting pipe passes through the anti-corrosion device, there is no anti-corrosion oil on the sponge or the oil evaporates, resulting in the connecting pipe not being in contact with the anti-corrosion oil, and the anti-corrosion effect cannot be effectively guaranteed; the center distance between the two holes of the box body is consistent with the center distance between the two pipes of the connecting pipe, effectively ensuring the consistency of the connecting pipe passing through the anti-corrosion tooling box to avoid distortion and deformation; the sleeve is made of silicone material and fixed to the box body 1 by screws, and the silicone material can avoid the hidden danger of scratches when the connecting pipe passes through; groove structures are installed at both ends of the box body 1 to facilitate fixing it on the equipment, ensure the stability of operation, and avoid shaking. An oil leakage nozzle is installed on one side of the box body to facilitate the recycling of the anti-corrosion oil. A slope structure 9 is added inside the box body 1 to ensure that the anti-corrosion oil gathers at the oil leakage nozzle 7.
[0053] The commissioning of the anti-corrosion device ensures that there is a layer of anti-rust oil on the surface of the connecting pipe during the feeding process, which effectively prevents the corrosive medium in the air from penetrating into the coating film, improves the corrosion resistance of the copper pipe, and improves the reliability of the connecting pipe.
[0054] About the working principle of this utility model:
[0055] A connecting pipe anti-corrosion device reduces the risk of after-sales corrosion.
[0056] 1. The feeder feeds two connecting pipes at one time. This device is installed after the connecting pipe is straightened. The center distance between the two holes of the box body is consistent with the center distance between the two connecting pipes, which effectively ensures the consistency of the connecting pipe passing through the anti-corrosion tooling box and avoids distortion;
[0057] 2. The shaft sleeve is fixed to the box body with nylon material, which can avoid the hidden danger of scratches when the connecting pipe passes through;
[0058] 3. A slope structure is added inside the box to ensure that the anti-corrosion oil is gathered at the oil leak nozzle, making it convenient for the anti-corrosion oil to be recycled;
[0059] 4. The anti-corrosion device uses a solenoid valve for docking, and the nozzle supplies anti-corrosion oil to ensure the anti-corrosion effect. Water-absorbent materials are used inside to ensure the consistency of the anti-corrosion coating.
[0060] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0061] The above description is only a specific embodiment of the utility model, so that those skilled in the art can understand or implement the utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features applied herein.
[0062] In summary, after reading the utility model document, ordinary technicians in this field can make various other corresponding transformation schemes based on the technical scheme and technical concept of the utility model without creative mental labor, which all fall within the scope of protection of the utility model.
Claims
1. A connecting pipe anti-corrosion device, characterized in that: It comprises a shell, a throttling device, a connecting device and a spraying device. The throttling device is connected to the spraying device through the shell. The connecting device is fixed on the outer wall of the shell. The shell is filled with water-absorbing material.
2. A connecting pipe anti-corrosion device according to claim 1, characterized in that: The shell comprises a box body, a box cover and a hinge, and the box body and the box cover are connected via the hinge.
3. A connecting pipe anti-corrosion device as claimed in claim 2, characterized in that: The throttling device comprises a first throttle valve and a second throttle valve, wherein the first throttle valve is fixed on the left side of the box cover, and the second throttle valve is fixed on the right side of the box cover.
4. A connecting pipe anti-corrosion device as claimed in claim 2, characterized in that: The shell also includes a handle, which is a U-shaped handle fixed on the box cover.
5. A connecting pipe anti-corrosion device as claimed in claim 3, characterized in that: The spray device comprises a first nozzle and a second nozzle, the first nozzle is connected to the first throttle valve, and the second nozzle is connected to the second throttle valve.
6. A connecting pipe anti-corrosion device according to claim 1, characterized in that: The connecting device comprises a shaft sleeve, and the shaft sleeve is fixed to the shell through a fixing piece.
7. A connecting pipe anti-corrosion device according to claim 6, characterized in that: The shaft sleeve comprises a first shaft sleeve and a second shaft sleeve, wherein the first shaft sleeve is fixed to the left side of the shell through a fixing piece, and the second shaft sleeve is fixed to the right side of the shell through a fixing piece.
8. A connecting pipe anti-corrosion device according to claim 1, characterized in that: It also includes an oil leakage nozzle, which is arranged on one side of the shell.
9. A connecting pipe anti-corrosion device according to claim 1, characterized in that: The shell further comprises a groove structure, wherein the groove structure comprises a first groove and a second groove, wherein the first groove is arranged on the left side of the shell, and the second groove is arranged on the right side of the shell.
10. The connecting pipe anti-corrosion device according to claim 1, characterized in that: It also includes a slope structure, and the inner bottom of the shell is provided with the slope structure.