Multi-angle free liquid guide connector

Abstract

The utility model provides a multi-angle free liquid guide joint. The multi-angle free liquid guide joint is characterized in that a copper nut is sleeved on the outer side of an oil hole in a shaft sleeve; the free channel is formed in the center of the inner side wall of each copper nut; the sealing structures are arranged on the inner side wall of the copper nut and located on the left and right sides of the free channel. The rotation stopping structure is sleeved on the outer side of one or more copper nuts, the copper nuts are sleeved on the outer sides of oil outlet holes in the shaft sleeve during use, the distance between the oil holes is the same as the width of the copper nuts, the number of the copper nuts is designed according to the number of the oil outlet holes, and oil grooves need to be aligned with the oil holes during installation of the copper nuts. In the oil way arrangement process, the copper nut can be rotated to a proper angle according to the position of an oil port needing oil supply and corresponding to the copper nut, installation of an oil conveying pipe in an oil way is facilitated, and the beneficial effects that the oil pipe can be connected more freely through a free channel structure are achieved; the oil outlet hole designed in the copper nut is matched with the step designed in the oil outlet hole to increase the contact area of the oil nozzle or the bottom of the plug, the connection strength is high, and oil leakage is not prone to occurring.

Description

A multi-angle free-flowing fluid connector Technical Field

[0001] This utility model relates to the field of granulators, and in particular to the field of liquid conduction technology for granulators, specifically a multi-angle free liquid guide connector. Background Technology

[0002] The existing automatic lubrication module for pellet mills adds semi-solid grease in low winter temperatures, resulting in low lubrication efficiency. The lubricating grease needs to be preheated to a certain temperature before being fed into the pellet mill's main shaft and pressure rollers to turn the semi-solid grease into a liquid state. If traditional electric heating is used, it will put a heavy burden on the existing pellet mill's power supply system and consume a lot of energy. Therefore, a section of shaft is extended at the drive shaft end outside the pellet mill's main shaft box via a connecting shaft. A bushing is then fitted on the outside of the extended shaft, and a channel is opened between the bushing and the shaft to allow the lubricating grease to absorb the heat generated by friction between the bushing and the shaft through heat conduction.

[0003] During the process of grease being poured out of the heating channel, it was found that if a threaded hole is directly drilled on the outside of the bushing to connect to the channel, and an oil nozzle is inserted into the hole, the side wall of the bushing is relatively thin, and the inside of the bushing is an extended shaft. It is impossible to set up an oil nozzle embedded in the inner side wall of the bushing on one side. Only a quick-connect oil nozzle can be set up by threading. In actual use, there will always be a certain angle between the connecting surface of the quick-connect oil nozzle and the mounting surface of the outer side wall of the bushing. This results in a small contact area between the oil nozzle and the coupling, and a large pressure inside the bushing. Oil leakage will occur after about 3 hours of continuous use. In addition, the hole position of the threaded hole is fixed, making it more troublesome to install the oil pipe. Summary of the Invention

[0004] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a multi-angle free fluid guide connector to solve the difficulties of the prior art.

[0005] To achieve the above and other related objectives, this utility model provides a multi-angle free-flowing fluid connector, comprising:

[0006] Copper nuts 1, several copper nuts 1 are arranged side by side, and the copper nuts 1 are fitted on the outside of the oil hole in the bushing 5;

[0007] Free channel 2, wherein the free channel 2 is located in the center of the inner side wall of the copper nut 1;

[0008] Sealing structure 3, the sealing structure 3 is set on the inner wall of the copper nut 1 on the left and right sides of the free channel 2;

[0009] Anti-rotation structure 4, which is fitted onto the outside of one or more copper nuts 1.

[0010] According to the preferred scheme, free channel 2 includes:

[0011] Oil groove 21, which is formed in the center of the inner side wall of copper nut 1, and the oil groove 21 is annular;

[0012] Oil outlet 22 is located in the center of the outer side of the copper nut 1. The bottom of the oil outlet 22 communicates with the oil groove 21. An oil nozzle 23 or a plug 24 is installed inside the oil outlet 22.

[0013] According to the preferred embodiment, a step is provided in the center of the oil outlet 22.

[0014] According to the preferred embodiment, the top diameter of the oil outlet 22 is larger than the bottom diameter, and the top inner wall of the oil outlet 22 is provided with threads.

[0015] According to the preferred embodiment, the sealing structure 3 includes:

[0016] The sealing groove 31 is provided on the inner side wall of the copper nut 1 on the left and right sides of the oil groove 21.

[0017] A rubber sealing ring 32 is provided, with one side of the rubber sealing ring 32 being fitted into the sealing groove 31, and the other side of the rubber sealing ring 32 being tightly fitted onto the outside of the bushing 5.

[0018] According to the preferred embodiment, the sealing groove 31 is not connected to the oil groove 21.

[0019] According to the preferred embodiment, the anti-rotation structure 4 includes:

[0020] U-shaped sleeve 41, the U-shaped sleeve 41 is sleeved on the outside of several copper nuts 1;

[0021] Locking threaded holes 42 are provided on the left and right sides of the U-shaped sleeve block 41;

[0022] Locking bolt 43 is threaded and engaged in the locking threaded hole 42, and the bottom of the locking bolt 43 abuts against one end face of the copper nut 1.

[0023] This utility model employs a copper nut, a free channel, a sealing structure, and an anti-rotation structure. During use, the copper nut is fitted onto the outside of the oil outlet hole in the bushing. The spacing between the oil outlet holes is the same as the width of the copper nut. The number of copper nuts is designed according to the number of oil outlet holes. When installing the copper nut, the oil groove needs to be aligned with the oil hole. During the oil circuit layout process, the copper nut can be rotated to a suitable angle according to the position of the required oil supply port, facilitating the installation of the oil delivery pipe in the oil circuit. This achieves the following beneficial effects:

[0024] (1) The free channel structure allows for more flexible connection of oil pipes;

[0025] (2) The oil outlet hole designed on the copper nut, combined with the step designed inside the oil outlet hole to increase the contact area at the bottom of the oil nozzle or plug, has high connection strength and is not prone to oil leakage.

[0026] The preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings, so as to facilitate an understanding of the features and advantages of the present invention. Attached Figure Description

[0027] Figure 1 shows a three-dimensional structural schematic diagram of this utility model;

[0028] Figure 2 shows a cross-sectional view of the copper nut in this utility model;

[0029] Figure 3 shows an enlarged schematic diagram of the rubber sealing ring in this utility model;

[0030] Figure 4 shows an enlarged three-dimensional structural diagram of the nozzle and plug in this utility model;

[0031] Figure 5 shows an enlarged schematic diagram of the U-shaped sleeve in this utility model;

[0032] Figure 6 shows an assembly diagram of the present invention mounted on the bushing;

[0033] Label Explanation

[0034] 1. Copper nuts;

[0035] 2. Free passage; 21. Oil tank; 22. Oil outlet; 23. Oil nozzle; 24. Plug;

[0036] 3. Sealing structure; 31. Sealing groove; 32. Rubber sealing ring;

[0037] 4. Anti-rotation structure; 41. U-shaped sleeve; 42. Locking threaded hole; 43. Locking bolt;

[0038] 5. Bushing; Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0040] Compared to the embodiments shown in the accompanying drawings, feasible embodiments within the scope of protection of this utility model may have fewer components, have other components not shown in the drawings, different components, components arranged differently, or components with different connections, etc. Furthermore, two or more components shown in the drawings may be implemented in a single component, or a single component shown in the drawings may be implemented as multiple separate components.

[0041] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms “first,” “second,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, “an” or “a” and similar terms do not necessarily indicate a quantity limitation. Terms such as “comprising” or “including” mean that the element or object preceding the word encompasses the element or object listed following the word and its equivalents, without excluding other elements or objects. Terms such as “connected” or “linked” are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as “upper,” “lower,” “left,” and “right” are used only to indicate relative positional relationships; these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0042] This invention proposes a multi-angle free-flowing fluid connector for use in the lubricating grease conduction process on the bushing of a pellet mill. This invention does not limit the type of bushing, but the structure of the copper nut 1, free channel 2, sealing structure 3, and anti-rotation structure 4 is particularly suitable for the improved design of the oil circuit of a pellet mill.

[0043] Overall, the multi-angle free fluid guiding connector proposed in this utility model mainly includes a copper nut 1, a free channel 2, a sealing structure 3, and an anti-rotation structure 4. As shown in Figure 1, the arrangement of the copper nut 1, the free channel 2, the sealing structure 3, and the anti-rotation structure 4 is shown.

[0044] When using the multi-angle free-flowing fluid connector proposed in this utility model, the copper nut 1 is fitted onto the outside of the oil outlet hole in the bushing 5. The spacing between the oil holes is the same as the width of the copper nut 1. The number of copper nuts 1 is designed according to the number of oil outlet holes. When installing the copper nut 1, the oil groove 21 needs to be aligned with the oil hole. During the oil circuit layout process, the copper nut 1 can be rotated to a suitable angle according to the position of the oil port corresponding to the required oil supply, which facilitates the installation of the oil pipeline in the oil circuit. This structure, by adding the copper nut 1 as an interface, designs a free channel 2 structure to make the oil pipe connection more flexible. In addition, the long oil outlet hole 22 designed on the copper nut 1, together with the step designed inside the oil outlet hole 22, increases the bottom contact area of ​​the oil nozzle 23 or plug 24, resulting in high connection strength and less oil leakage.

[0045] Several copper nuts 1 are arranged side by side, and the copper nuts 1 are fitted onto the bushing 5.

[0046] The aforementioned free channel 2 is located in the center of the inner wall of the copper nut 1. The free channel 2 includes: an oil groove 21, an oil outlet 22, an oil nozzle 23, and a plug 24. The oil groove 21 is located in the center of the inner wall of the copper nut 1 and is annular. An oil outlet 22 is located in the center of the outer side of the copper nut 1. The bottom of the oil outlet 22 communicates with the oil groove 21. A step is provided in the center of the oil outlet 22. The top diameter of the oil outlet 22 is larger than the bottom diameter. A thread is provided on the inner wall of the top of the oil outlet 22. An oil nozzle 23 or a plug 24 is inserted into the oil outlet 22.

[0047] The sealing structure 3 is provided on the inner wall of the copper nut 1 on the left and right sides of the free channel 2. The sealing structure 3 includes a sealing groove 31 and a rubber sealing ring 32. The sealing groove 31 is provided on the inner wall of the copper nut 1 on the left and right sides of the oil groove 21. One side of the rubber sealing ring 32 is stuck in the sealing groove 31, and the other side of the rubber sealing ring 32 is tightly fitted on the outside of the bushing 5.

[0048] The aforementioned anti-rotation structure 4 is fitted on the outside of one or more copper nuts 1. The anti-rotation structure 4 includes: a U-shaped sleeve 41, a locking threaded hole 42, and a locking bolt 43. The U-shaped sleeve 41 is fitted on the outside of several copper nuts 1. The locking threaded hole 42 is opened on the left and right sides of the U-shaped sleeve 41. The locking bolt 43 is engaged in the locking threaded hole 42 by threaded engagement. The bottom of the locking bolt 43 abuts against one end face of the copper nut 1.

[0049] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A multi-angle free-flowing fluid connector, characterized in that, include: Copper nuts (1), several copper nuts (1) are arranged side by side, and the copper nuts (1) are fitted on the outside of the oil hole in the bushing (5); free channel (2), the free channel (2) is set in the center of the inner wall of the copper nut (1); sealing structure (3), the sealing structure (3) is set on the left and right sides of the free channel (2) on the inner wall of the copper nut (1); anti-rotation structure (4), the anti-rotation structure (4) is fitted on the outside of one or more copper nuts (1).

2. The multi-angle free-flowing fluid connector according to claim 1, characterized in that, The free channel (2) includes: an oil groove (21), which is located in the center of the inner wall of the copper nut (1) and is annular; and an oil outlet (22), which is located in the center of the outer side of the copper nut (1) and is connected to the oil groove (21) at its bottom. An oil nozzle (23) or a plug (24) is installed inside the oil outlet (22).

3. The multi-angle free-flowing fluid connector according to claim 2, characterized in that, A step is provided in the center of the oil outlet (22).

4. The multi-angle free-flowing fluid connector according to claim 3, characterized in that, The top diameter of the oil outlet (22) is larger than the bottom diameter, and the inner wall of the top of the oil outlet (22) is provided with threads.

5. The multi-angle free-flowing fluid connector according to claim 4, characterized in that, The sealing structure (3) includes: a sealing groove (31), which is located on the left and right sides of the oil groove (21) on the inner side wall of the copper nut (1); and a rubber sealing ring (32), one side of which is inserted into the sealing groove (31) and the other side of which is tightly fitted on the outside of the bushing (5).

6. The multi-angle free-flowing fluid connector according to claim 5, characterized in that, The sealing groove (31) is not connected to the oil groove (21).

7. The multi-angle free-flowing fluid connector according to claim 6, characterized in that, The anti-rotation structure (4) includes: a U-shaped sleeve (41) which is sleeved on the outside of several copper nuts (1); a locking threaded hole (42) which is opened on the left and right sides of the U-shaped sleeve (41); and a locking bolt (43) which is threaded and engaged in the locking threaded hole (42), with the bottom of the locking bolt (43) abutting against one end face of the copper nut (1).

Images