Bidirectional oil injection nozzle structure

Abstract

The utility model discloses a bidirectional oil injection nozzle structure, which comprises a mounting part and an oil injection part, the mounting part comprises a screwing part, a thread mounting part and a connecting part with external threads, the oil injection part comprises a connecting cylinder and two groups of oil injection nozzles with different orientations, a one-way valve is arranged in each group of oil injection nozzles, and the connecting cylinder is in threaded assembly with the connecting part. In the optimized design, a bearing ring is arranged in the threaded installation part to place a filter screen, the filter screen is fixed by a pressing part in the connection cylinder to filter impurities, the filter screen can be cleaned and replaced after being detached, and the structure improves the oil injection convenience, reliability and maintenance efficiency and is suitable for lubrication and maintenance of mechanical equipment.

Description

Technical Field

[0001] This utility model relates to the field of grease nipple technology, specifically a bidirectional grease nipple structure. Background Technology

[0002] In the lubrication and maintenance of mechanical equipment, the grease nipple is a key component for adding lubricating oil to the lubrication parts. Traditional grease nipples usually adopt a one-way oil injection structure with a fixed oil injection direction. When the oil injection operation space is limited or the grease nipple is blocked, it often leads to difficulties in oil injection, and may even require disassembly and replacement of the grease nipple, affecting lubrication efficiency. In addition, most existing grease nipples adopt an integrated structure. If the internal oil passage structure is blocked, it is difficult to clean. Especially when the grease nipple and mechanical parts cannot be disassembled due to rust or other reasons, it further increases the difficulty of maintenance.

[0003] Therefore, there is an urgent need for an improved oil nozzle structure. Utility Model Content

[0004] In view of the above-mentioned shortcomings in the existing technology, the purpose of this utility model is to provide an oil nozzle that is easy to fill, easy to clean, and has a filtering effect.

[0005] The technical solution adopted by this utility model to achieve the above objectives is: a bidirectional oil nozzle structure, including an installation part and an oil injection part, wherein the installation part includes a screwing part and a threaded installation part fixedly connected to the bottom surface of the screwing part, and a connecting part is fixedly connected to the top surface of the screwing part;

[0006] The oil injection section includes a connecting cylinder and two sets of oil injection nozzles fixedly connected to the connecting cylinder. Each set of oil injection nozzles is equipped with a one-way valve, and the two sets of oil injection nozzles have different orientations.

[0007] The connecting part and the connecting cylinder are detachably connected, and a sealing element is provided between the connecting part and the connecting cylinder.

[0008] In the above technical solution, a bearing ring is fixedly connected to the inner wall of the connecting part, a filter screen is placed on the bearing ring, and a pressing part is provided inside the connecting cylinder, which presses down on the filter screen.

[0009] In the above technical solution, the outer wall of the connecting part is provided with an external thread, and the inner wall of the connecting cylinder is provided with an internal thread, and the external thread and the internal thread are engaged.

[0010] In the above technical solution, the sealing element is a sealing ring, the sealing element is fixedly connected to the top surface of the connecting part, the connecting cylinder is provided with a sealing groove, and the sealing ring is fitted into the sealing groove.

[0011] In the above technical solution, the bearing ring is provided with a mounting hole, and an elastic element is fixedly connected in the mounting hole, the elastic element abutting against the bottom surface of the filter screen;

[0012] Furthermore, the elastic element includes a mounting cylinder, a spring, and a moving cylinder. The mounting cylinder is fixedly connected inside the mounting hole, and the top surface of the mounting cylinder is flush with the top surface of the mounting hole. The moving cylinder is slidably connected inside the mounting cylinder, and the spring is fixedly connected inside the mounting cylinder. The spring and the moving cylinder are fixedly connected, and the moving cylinder abuts against the filter screen.

[0013] In one embodiment, the centerline of one set of oil injection nozzles is inclined to the centerline of the connecting cylinder, while the centerline of another set of oil injection nozzles is on the same straight line as the centerline of the connecting cylinder.

[0014] In one embodiment, the centerlines of both sets of oil injection nozzles and the centerline of the connecting cylinder are both inclined, and the two sets of oil injection nozzles are symmetrically arranged.

[0015] The beneficial effects of this utility model are:

[0016] 1. This grease nipple has two sets of grease nipples with different orientations. This allows you to choose the most convenient grease nipple when performing grease filling, improving the ease of grease filling. Also, if one set of grease nipples becomes clogged, you can still fill the grease through the other set without having to replace the grease nipple, resulting in better performance.

[0017] 2. The connecting part and the connecting cylinder are connected by a threaded connection, so that when the oil nozzle becomes clogged, the oil nozzle can be screwed off to clean the internal blockage. This is especially suitable for situations where the connecting part of the oil nozzle cannot be disassembled due to rust or other problems.

[0018] Furthermore, a seal is provided between the connector and the connecting cylinder to prevent oil leakage;

[0019] 3. A filter screen is installed inside the connecting part. The filter screen can filter impurities in the oil to prevent impurities from entering the mechanical lubrication parts and causing wear. The lower pressing part and the bearing ring clamp and fix the filter screen to ensure the stability of the filter screen. After the connecting part and the connecting cylinder are disassembled, the filter screen can be cleaned and replaced. The operation is simple and convenient.

[0020] 4. An elastic element is fixedly installed on the bearing ring. When the connecting cylinder is disassembled, the elastic force of the elastic element can push the filter screen to tilt, making it easier to remove the filter screen. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of one form of the present utility model;

[0022] Figure 2 This is a schematic diagram of another embodiment of the present utility model;

[0023] Figure 3 This is a schematic cross-sectional view of the present invention.

[0024] Figure 4 for Figure 3 Detailed structural diagram of part a;

[0025] Figure 5 This is an exploded structural diagram of the present invention;

[0026] Figure 6 This is a structural schematic diagram of the present invention from another angle after disassembly.

[0027] Figure 7 for Figure 5 Detailed structural diagram of part b in the middle;

[0028] Figure 8 This is a schematic diagram of the elastic element in this utility model.

[0029] In the diagram: 101 Tightening part, 102 Threaded mounting part, 103 Connecting part, 104 External thread, 201 Connecting cylinder, 202 Oil nozzle, 203 One-way valve, 204 Internal thread, 205 Pressing part, 300 Seal, 400 Bearing ring, 401 Mounting hole, 500 Filter screen, 600 Elastic element, 601 Mounting cylinder, 602 Spring, 603 Moving cylinder. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0031] Please see Figures 1-8 A bidirectional oil nozzle structure includes an installation part and an oil filling part. The installation part includes a screwing part 101 and a threaded mounting part 102 fixedly connected to the bottom surface of the screwing part 101. The threaded mounting part 102 is used to connect with mechanical equipment. In addition, a connecting part 103 is fixedly connected to the top surface of the screwing part, and an external thread 104 is provided on the outer wall of the connecting part 103.

[0032] Furthermore, the oil filling section includes a connecting cylinder 201 and two sets of oil filling nozzles 202 fixedly connected to the connecting cylinder 201, and the two sets of oil filling nozzles 202 have different orientations, for example... Figure 1 , Figure 2As shown, the centerline of one set of oil nozzles 202 is inclined to the centerline of the connecting cylinder 201, and the centerline of the other set of oil nozzles 202 is on the same straight line as the centerline of the connecting cylinder 201. Alternatively, the centerlines of both sets of oil nozzles 202 are inclined to the centerline of the connecting cylinder 201. In this way, the two sets of oil nozzles 202 can be symmetrically arranged. Of course, each set of oil nozzles 202 is provided with a one-way valve 203.

[0033] Furthermore, the inner wall of the connecting cylinder 201 is provided with an internal thread 204, and the external thread 104 mates with the internal thread 204. That is, the connecting part 103 and the connecting cylinder 201 are connected by a thread. This oil nozzle has two sets of oil nozzles 202 with different orientations. In this way, when performing oil filling operation, the oil nozzle 202 that is most convenient for oil filling can be selected, which improves the convenience of oil filling. Moreover, when one set of oil nozzles 202 becomes blocked, oil can still be filled through the other set without replacing the oil nozzle, resulting in a better performance.

[0034] Furthermore, a sealing element 300 is provided between the connecting part 103 and the connecting cylinder 201. The sealing element 300 is used to prevent oil from seeping into the gap between the connecting cylinder 201 and the connecting part 103, thus preventing oil leakage. Specifically, the sealing element 300 is a sealing ring, that is, the sealing element 300 is fixedly connected to the top surface of the connecting part 103, and the connecting cylinder 201 has a sealing groove inside, into which the sealing ring is fitted.

[0035] In a further optimized version, a bearing ring 400 is fixedly connected to the inner wall of the connecting part 103, and a filter screen 500 is placed on the bearing ring 400. The connecting cylinder 201 has a pressing part 205 inside, which presses down on the filter screen 500. In this way, impurities in the oil can be filtered through the filter screen 500 to prevent impurities from entering the mechanical lubrication parts and causing wear. Furthermore, the pressing part 205 and the bearing ring 400 clamp and fix the filter screen 500 to ensure the stability of the filter screen 500. When the connecting part 103 is disassembled from the connecting cylinder 201, the filter screen 500 can be cleaned and replaced, making the operation simple and convenient.

[0036] In a further optimization, the bearing ring 400 is provided with a mounting hole 401, and an elastic element 600 is fixedly connected inside the mounting hole 401. The elastic element 600 abuts against the bottom surface of the filter screen 500. Thus, when the connecting cylinder 201 is disassembled, the elastic force of the elastic element 600 can push the end of the filter screen 500, causing the filter screen 500 to tilt, which facilitates the removal of the filter screen 500. Furthermore, in this embodiment, the elastic element 600 includes a mounting cylinder 601, a spring 602, and a moving cylinder 603, and the mounting cylinder is fixedly connected inside the mounting hole 401. 601. The top surface of the mounting cylinder 601 is flush with the top surface of the mounting hole 401. A moving cylinder 603 is slidably connected inside the mounting cylinder 601. A spring 602 is fixedly connected inside the mounting cylinder 601, and the spring 602 is fixedly connected to the moving cylinder 603. The moving cylinder 603 abuts against the filter screen 500. Thus, the pressing part 205 can press down on the filter screen 500, causing the moving cylinder 603 to extend into the mounting cylinder 401. When the connecting cylinder 201 is loosened, the elastic force of the spring 602 can push the moving cylinder 603 to push the filter screen, raising one end and causing it to tilt. Alternatively, the elastic element 600 can also be an elastic column made of rubber.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0038] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A bidirectional oil injector structure, comprising an installation part and an oil injector part, wherein the installation part includes a screwing part (101) and a threaded installation part (102) fixedly connected to the bottom surface of the screwing part (101), characterized in that: A connecting part (103) is fixedly connected to the top surface of the screwing part (101); The oil injection section includes a connecting cylinder (201) and two sets of oil injection nozzles (202) fixedly connected to the connecting cylinder (201). Each set of oil injection nozzles (202) is provided with a one-way valve (203), and the two sets of oil injection nozzles (202) have different orientations. The connecting part (103) and the connecting cylinder (201) are detachably connected, and a sealing element (300) is provided between the connecting part (103) and the connecting cylinder (201).

2. The bidirectional oil injection nozzle structure according to claim 1, characterized in that: A bearing ring (400) is fixedly connected to the inner wall of the connecting part (103), and a filter screen (500) is placed on the bearing ring (400). A pressing part (205) is provided inside the connecting cylinder (201), and the pressing part (205) presses down the filter screen (500).

3. The bidirectional oil injection nozzle structure according to claim 1, characterized in that: The outer wall of the connecting part (103) is provided with an external thread (104), and the inner wall of the connecting cylinder (201) is provided with an internal thread (204). The external thread (104) and the internal thread (204) are engaged.

4. The bidirectional oil injection nozzle structure according to claim 3, characterized in that: The sealing element (300) is a sealing ring, and the sealing element (300) is fixedly connected to the top surface of the connecting part (103). The connecting cylinder (201) has a sealing groove inside, and the sealing ring is fitted into the sealing groove.

5. The bidirectional oil injection nozzle structure according to claim 2, characterized in that: The bearing ring (400) is provided with a mounting hole (401), and an elastic element (600) is fixedly connected in the mounting hole (401). The elastic element (600) abuts against the bottom surface of the filter screen (500).

6. The bidirectional oil injection nozzle structure according to claim 5, characterized in that: The elastic element (600) includes a mounting cylinder (601), a spring (602), and a moving cylinder (603). The mounting cylinder (601) is fixedly connected inside the mounting hole (401). The top surface of the mounting cylinder (601) is flush with the top surface of the mounting hole (401). The moving cylinder (603) is slidably connected inside the mounting cylinder (601). The spring (602) is fixedly connected inside the mounting cylinder (601). The spring (602) is fixedly connected to the moving cylinder (603). The moving cylinder (603) abuts against the filter screen (500).

7. The bidirectional oil injection nozzle structure according to claim 1, characterized in that: One set of the oil injection nozzles (202) has its centerline inclined to the centerline of the connecting cylinder (201), while the centerline of the other set of oil injection nozzles (202) is on the same straight line as the centerline of the connecting cylinder (201).

8. The bidirectional oil injection nozzle structure according to claim 1, characterized in that: The centerlines of both sets of oil injection nozzles (202) and the centerline of the connecting cylinder (201) are both inclined.

9. The bidirectional oil injection nozzle structure according to claim 8, characterized in that: The two sets of oil injection nozzles (202) are symmetrically arranged.

Images