Anti-oil-dripping oil guide pipe for centralized lubrication system

Abstract

The utility model relates to the technical field of centralized lubrication systems, and provides an anti-oil-dripping oil guide pipe for a centralized lubrication system, which comprises an oil guide pipe and connecting flanges, the oil guide pipe comprises the connecting flanges, flange holes, oil guide ports, connecting structures and protective structures, and the connecting flanges are fixed at two ends of the oil guide pipe. The connecting structure is arranged, the connecting circular ring is screwed into the annular groove for threaded connection, meanwhile, the fixing bolt is screwed into the threaded hole for fixing the connecting circular ring and the oil guide pipe, and therefore the sealing performance of the sealing ring is tighter; according to the oil guide pipe connecting flange, impurities in the oil guide pipes can be filtered, so that when the two oil guide pipes are connected through the connecting flange, the conical pipe is tightly attached to the sealing ring, the sealing performance is better, and the phenomena such as oil dripping at the connecting position of the oil guide pipes are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of centralized lubrication systems, and particularly relates to an anti-drip oil guide pipe for a centralized lubrication system. Background Technique

[0002] A centralized lubrication system is a system that delivers lubricating oil or grease to multiple lubrication points of mechanical equipment regularly and quantitatively through a centralized oil supply device, and an anti-drip oil guide pipe for a centralized lubrication system is a pipe specially designed to prevent the leakage or dripping of lubricating oil or grease during the transportation process.

[0003] During the use of the existing guide pipes, the service life of the guide pipes is too short, they are easily corroded by oil, and they do not have wear-resistant performance, resulting in wear of the guide pipes after long-term use and oil leakage and other phenomena, and the sealing performance at the joints of the guide pipes will also cause oil leakage and other phenomena. Content of the Utility Model

[0004] The purpose of the utility model is to provide an anti-drip oil guide pipe for a centralized lubrication system to solve the defect that the existing guide pipes are not convenient for preventing oil dripping.

[0005] To solve the above technical problems, the utility model provides the following technical solution: an anti-drip oil guide pipe for a centralized lubrication system, including a guide pipe and a connecting flange;

[0006] The guide pipe includes a connecting flange, flange holes, an oil guide port, a connecting structure, and a protection structure. The connecting flanges are fixed at both ends of the guide pipe, and flange holes are arranged at the edge positions inside the connecting flanges;

[0007] The oil guide port is fixed on the outer side of the guide pipe, and a connecting structure is installed at one end of the guide pipe;

[0008] The protection structure is arranged inside the guide pipe.

[0009] Preferably, there are four groups of the flange holes, the flange holes are evenly distributed at the edge positions inside the connecting flange, and a sealing ring is installed inside one end of the connecting flange.

[0010] Preferably, the connection structure includes a connecting ring, a tapered pipe, a fixing plate, a filtering hole, an annular groove, a threaded hole, a fixing bolt, a sealing ring and a tapered hole. The connecting ring is installed at one end of the oil guiding pipe. A tapered pipe is fixed to one end of the connecting ring. A fixing plate is fixed to the other end of the connecting ring. Filtering holes are arranged inside the fixing plate. An annular groove is arranged on the outer side of the connecting ring inside the oil guiding pipe. Threaded holes are arranged on one side of the connecting flange outside the oil guiding pipe. Fixing bolts are installed inside the threaded holes. A sealing ring is installed at one end of the connecting ring inside the oil guiding pipe. A tapered hole is arranged at the other end of the oil guiding pipe.

[0011] Preferably, external threads are arranged on the outer side of the connecting ring, internal threads are arranged inside the annular groove, and the connecting ring is in threaded connection with the annular groove. A plurality of groups of filtering holes are provided, and the filtering holes are evenly distributed inside the fixing plate.

[0012] Preferably, the tapered pipe is in fit with the tapered hole. Four groups of threaded holes are provided, and the threaded holes are evenly distributed on one side of the connecting flange outside the oil guiding pipe. The connecting ring and the oil guiding pipe are fixedly connected by fixing bolts, and the connecting ring and the oil guiding pipe are hermetically connected by a sealing ring.

[0013] Preferably, the protection structure includes an anti-corrosion layer, an inner wear-resistant layer, a heat-insulating layer and an outer wear-resistant layer. The anti-corrosion layer is arranged inside the oil guiding pipe. The inner wear-resistant layer is arranged on the outer side of the anti-corrosion layer. The heat-insulating layer is arranged on the outer side of the inner wear-resistant layer. The outer wear-resistant layer is arranged on the outer side of the heat-insulating layer.

[0014] Preferably, the anti-corrosion layer is an epoxy resin coating, the inner wear-resistant layer and the outer wear-resistant layer are polyurethane coatings, and the heat-insulating layer is made of mineral wool.

[0015] The advantages of the oil guiding pipe for preventing oil dripping in the centralized lubrication system provided by the utility model are as follows:

[0016] By providing a connection structure, the connecting ring is screwed into the inside of the annular groove for threaded connection, and at the same time, the fixing bolt is screwed into the threaded hole to fix the connecting ring and the oil guiding pipe, so that the sealing performance of the sealing ring is more tight. By providing filtering holes, impurities inside the oil guiding pipe can be filtered, so that when two oil guiding pipes are connected through a connecting flange, the tapered pipe is in close fit with the sealing ring, so that the sealing performance is better, and the phenomenon of oil dripping at the connection of the oil guiding pipe is avoided;

[0017] By providing a protective structure and an anti-corrosion layer, the anti-corrosion layer is an epoxy resin coating, which has good corrosion resistance and heat resistance. It can conduct antistatic treatment and anti-corrosion treatment on the internal pipeline. By providing an inner wear-resistant layer and an outer wear-resistant layer, the inner wear-resistant layer and the outer wear-resistant layer are polyurethane coatings, which are coatings with wear resistance, resistance to strong acids and alkalis, avoiding the phenomenon that the outer layer and the inner layer of the oil guide pipe are worn by particulate matter and friction and leaked. By providing a heat insulation layer, the heat insulation layer is mineral wool, which can well reduce the influence of the external temperature on the inside of the oil guide pipe and can withstand use under high temperature conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a front sectional structural schematic diagram of the present utility model;

[0020] Figure 3 is of the present utility model Figure 2 enlarged structural schematic diagram at A;

[0021] Figure 4 is a three-dimensional structural schematic diagram of the connection structure of the present utility model;

[0022] Figure 5 is a side sectional structural schematic diagram of the present utility model.

[0023] Explanation of the reference numerals in the drawings: 1. Oil guide pipe; 101. Connecting flange; 102. Flange hole; 103. Oil guide port; 104. Connection structure; 1041. Connection ring; 1042. Conical pipe; 1043. Fixed plate; 1044. Filter hole; 1045. Annular groove; 1046. Threaded hole; 1047. Fixed bolt; 1048. Sealing ring; 1049. Conical hole; 105. Protective structure; 1051. Anti-corrosion layer; 1052. Inner wear-resistant layer; 1053. Heat insulation layer; 1054. Outer wear-resistant layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-5 , a drip-proof oil guide pipe for a centralized lubrication system provided by the present utility model includes an oil guide pipe 1 and a connecting flange 101.

[0026] Refer to Figures 1-4 As shown, the oil guiding pipe 1 includes a connecting flange 101, a flange hole 102, an oil guiding port 103, a connecting structure 104 and a protection structure 105. The connecting flange 101 is fixed at both ends of the oil guiding pipe 1. Flange holes 102 are provided at the edge positions inside the connecting flange 101. There are four groups of flange holes 102, and the flange holes 102 are evenly distributed at the edge positions inside the connecting flange 101. A sealing ring is installed inside one end of the connecting flange 101. The oil guiding port 103 is fixed to the outside of the oil guiding pipe 1. A connecting structure 104 is installed at one end of the oil guiding pipe 1. The connecting structure 104 includes a connecting ring 1041, a tapered pipe 1042, a fixing plate 1043, a filtering hole 1044, an annular groove 1045, a threaded hole 1046, a fixing bolt 1047, a sealing ring 1048 and a tapered hole 1049. The connecting ring 1041 is installed at one end of the oil guiding pipe 1. One end of the connecting ring 1041 is fixed with the tapered pipe 1042, and the other end of the connecting ring 1041 is fixed with the fixing plate 1043. Filtering holes 1044 are provided inside the fixing plate 1043. An annular groove 1045 is provided on the outside of the connecting ring 1041 inside the oil guiding pipe 1. A threaded hole 1046 is provided on one side of the connecting flange 101 on the outside of the oil guiding pipe 1. A fixing bolt 1047 is installed inside the threaded hole 1046. A sealing ring 1048 is installed at one end of the connecting ring 1041 inside the oil guiding pipe 1. A tapered hole 1049 is provided at the other end of the oil guiding pipe 1. External threads are provided on the outside of the connecting ring 1041, and internal threads are provided inside the annular groove 1045. The connecting ring 1041 is threadedly connected with the annular groove 1045. There are several groups of filtering holes 1044, and the filtering holes 1044 are evenly distributed inside the fixing plate 1043. The tapered pipe 1042 is in fit with the tapered hole 1049. There are four groups of threaded holes 1046, and the threaded holes 1046 are evenly distributed on one side of the connecting flange 101 on the outside of the oil guiding pipe 1. The connecting ring 1041 and the oil guiding pipe 1 are fixedly connected by the fixing bolt 1047, and the connecting ring 1041 and the oil guiding pipe 1 are sealed and connected by the sealing ring 1048.

[0027] By screwing the connecting ring 1041 into the inside of the annular groove 1045 for threaded connection, and at the same time screwing the fixing bolt 1047 into the threaded hole 1046 to fix the connecting ring 1041 and the oil guiding pipe 1, the sealing performance of the sealing ring 1048 can be made more tight. By providing the filtering holes 1044, impurities inside the oil guiding pipe 1 can be filtered. Furthermore, when two oil guiding pipes 1 are connected through the connecting flange 101, the tapered pipe 1042 is in tight fit with the sealing ring 1048, so that the sealing performance is better, and oil dripping and other phenomena at the connection of the oil guiding pipe 1 are avoided.

[0028] Refer to Figure 5As shown, a protective structure 105 is provided inside the oil guiding pipe 1. The protective structure 105 includes an anti-corrosion layer 1051, an inner wear-resistant layer 1052, a heat-insulating layer 1053, and an outer wear-resistant layer 1054. The anti-corrosion layer 1051 is provided inside the oil guiding pipe 1. The inner wear-resistant layer 1052 is provided on the outer side of the anti-corrosion layer 1051. The heat-insulating layer 1053 is provided on the outer side of the inner wear-resistant layer 1052. The outer wear-resistant layer 1054 is provided on the outer side of the heat-insulating layer 1053. The anti-corrosion layer 1051 is an epoxy resin coating. The inner wear-resistant layer 1052 and the outer wear-resistant layer 1054 are polyurethane coatings. The heat-insulating layer 1053 is made of mineral wool material.

[0029] By providing the anti-corrosion layer 1051, which is an epoxy resin coating and has good corrosion resistance and heat resistance, it can perform antistatic and anti-corrosion treatments on the internal pipeline. By providing the inner wear-resistant layer 1052 and the outer wear-resistant layer 1054, which are polyurethane coatings and are coatings that are wear-resistant and resistant to strong acids and alkalis, it avoids the phenomenon that the outer layer and the inner layer of the oil guiding pipe 1 are worn by particles and friction and cause leakage. By providing the heat-insulating layer 1053, which is made of mineral wool, it can well reduce the influence of the external temperature on the inside of the oil guiding pipe 1 and can withstand use under high-temperature conditions.

[0030] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An oil guide pipe with anti-drip oil for a centralized lubrication system, comprising an oil guide pipe (1) and a connecting flange (101); Features: The oil guide pipe (1) comprises a connecting flange (101), a flange hole (102), an oil guide port (103), a connecting structure (104) and a protective structure (105); the connecting flange (101) is fixed to both ends of the oil guide pipe (1); flange holes (102) are provided at the edge positions inside the connecting flange (101); An oil guide port (103) is fixed on the outer side of the oil guide pipe (1), and a connecting structure (104) is installed on one end of the oil guide pipe (1); A protective structure (105) is provided inside the oil guide pipe (1).

2. The anti-drip oil guide pipe for a centralized lubrication system according to claim 1, characterized in that: Four groups of flange holes (102) are provided. The flange holes (102) are distributed at equal intervals at the edge positions inside the connecting flange (101). A sealing ring is installed inside one end of the connecting flange (101).

3. The anti-drip oil guide pipe for a centralized lubrication system according to claim 1, characterized in that: The connection structure (104) comprises a connection ring (1041), a tapered tube (1042), a fixing plate (1043), a filtering hole (1044), an annular groove (1045), a threaded hole (1046), a fixing bolt (1047), a sealing ring (1048) and a tapered hole (1049); the connection ring (1041) is mounted on one end of the oil guide tube (1); the tapered tube (1042) is fixed to one end of the connection ring (1041); and the fixing plate (1043) is fixed to the other end of the connection ring (1041). A filter hole (1044) is provided inside the fixing plate (1043), an annular groove (1045) is provided on the outside of the connecting ring (1041) inside the oil guide pipe (1), a threaded hole (1046) is provided on one side of the connecting flange (101) outside the oil guide pipe (1), a fixing bolt (1047) is installed inside the threaded hole (1046), a sealing ring (1048) is installed at one end of the connecting ring (1041) inside the oil guide pipe (1), and a conical hole (1049) is provided at the other end of the oil guide pipe (1).

4. The anti-drip oil guide pipe for a centralized lubrication system according to claim 3, characterized in that: The outer side of the connecting ring (1041) is provided with an external thread, the inner side of the annular groove (1045) is provided with an internal thread, the connecting ring (1041) is threadedly connected to the annular groove (1045), and the filtering holes (1044) are provided in a plurality of groups, and the filtering holes (1044) are evenly spaced inside the fixing plate (1043).

5. The anti-drip oil guide pipe for a centralized lubrication system according to claim 3, characterized in that: The conical tube (1042) fits with the conical hole (1049), four groups of threaded holes (1046) are provided, and the threaded holes (1046) are distributed at equal intervals on one side of the outer connecting flange (101) of the oil guide pipe (1), the connecting ring (1041) and the oil guide pipe (1) are fixedly connected by fixing bolts (1047), and the connecting ring (1041) and the oil guide pipe (1) are sealed by a sealing ring (1048).

6. The anti-drip oil guide pipe for a centralized lubrication system according to claim 1, characterized in that: The protective structure (105) comprises an anti-corrosion layer (1051), an inner wear-resistant layer (1052), a heat-insulating layer (1053) and an outer wear-resistant layer (1054); the anti-corrosion layer (1051) is arranged inside the oil guide pipe (1); the inner wear-resistant layer (1052) is arranged outside the anti-corrosion layer (1051); the heat-insulating layer (1053) is arranged outside the inner wear-resistant layer (1052); and the outer wear-resistant layer (1054) is arranged outside the heat-insulating layer (1053).

7. The anti-drip oil guide pipe for a centralized lubrication system according to claim 6, characterized in that: The anti-corrosion layer (1051) is an epoxy resin coating, the inner wear-resistant layer (1052) and the outer wear-resistant layer (1054) are polyurethane coatings, and the heat-insulating layer (1053) is made of mineral wool.

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