Pipe orifice connecting structure of lubricating oil filling pump
By employing a connecting mechanism and limiting components in the lubricating oil filling equipment, the problems of lubricating oil easily falling off and leaking are solved, a tight connection between the pump port and the filling pipe is achieved, and the reliability of the equipment is improved.
Patent Information
- Application Number
- CN202520727155.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-04-17
AI Technical Summary
In existing lubricating oil filling equipment, the problem of lubricating oil easily falling off and leaking leads to unstable connection between the pump port and the filling pipe.
The system employs a combination of connecting mechanisms and limiting components, including a first clamping plate, a second clamping plate, a sealing gasket, a rotating plate, and a spring. Through bolt connections and the design of the sealing gasket, a tight connection between the pump inlet and the filling pipe is achieved.
It improves the connection stability between the pump inlet and the filling pipe, reduces the risk of detachment and leakage, and enhances the tightness and stability of the connection.
Smart Images

Figure CN223795049U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of lubricating oil, specifically to a lubricating oil filling pump port connection structure. Background Technology
[0002] As is well known, lubricating oil is a lubricant added between the contact surfaces of two relatively moving parts to form a lubricating film between the two friction surfaces, thereby reducing friction, reducing wear, and extending the service life of mechanical equipment. In the existing technology, lubricating oil is added between two relatively moving parts using lubricating oil filling equipment.
[0003] Lubricating oil is viscous and slippery, making it prone to detachment when connected to the filling pump and filling pipe, and leakage is very likely to occur at the connection point. Therefore, a new connection structure for the lubricating oil filling pump pipe is needed to improve the above problems. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a lubricating oil filling pump port connection structure that achieves a tight connection between the pump port and the filling pipe through the cooperation of a connecting mechanism and two limiting components, making the connection between the pump port and the filling pipe more stable and reducing the risk of detachment and leakage.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a lubricating oil filling pump port connection structure, including a filling pump, a pump port fixedly installed on the filling pump, and a filling pipe fitted onto the pump port;
[0008] The pump inlet and the filling pipe are connected and stabilized through a connecting mechanism. The connecting and stabilizing mechanism includes two first clamping plates, which are fitted onto the pump inlet and are hinged together. A first fixing plate is fixedly installed on each of the two first clamping plates and is screwed together by a first bolt. Two second clamping plates are fitted onto the filling pipe, which are hinged together and are fixedly installed on each of the two second clamping plates and is screwed together by a second bolt. A first sealing gasket is fixedly installed on the inner side wall of each of the two first clamping plates and a second sealing gasket is fixedly installed on the inner side wall of each of the two second clamping plates.
[0009] Both second clamping plates are equipped with limit components, one of which includes a rotating plate. Two mounting plates are symmetrically fixedly installed on the second clamping plates, and rotating shafts are fixedly installed on the two mounting plates. The rotating plates are rotatably connected to the rotating shafts. A sliding groove is opened on the rotating plate, and a top plate is slidably installed in the sliding groove. Two springs are symmetrically fixedly installed on the top plate, and the other ends of the two springs are fixedly connected to the rotating plate. The rotating plate is screwed to the first clamping plate and the second clamping plate respectively by two third bolts.
[0010] Preferably, the two second clamping plates and the two first clamping plates are connected by a plurality of fourth bolts.
[0011] Furthermore, a stabilizing rod is fixedly installed on each of the two top plates, and the two stabilizing rods are slidably connected to the two rotating plates respectively.
[0012] Furthermore, a first auxiliary plate is fixedly installed on both of the top plates.
[0013] Based on the aforementioned scheme, a second auxiliary plate is fixedly installed on each of the two first clamping plates and the two second clamping plates.
[0014] Furthermore, the edges of both first clamping plates and both second clamping plates are rounded.
[0015] (III) Beneficial Effects
[0016] Compared with the prior art, this utility model provides a lubricating oil filling pump port connection structure, which has the following beneficial effects:
[0017] Two first clamping plates are fitted onto the pump inlet. The two first fixing plates are then screwed together by rotating the first bolt, thus limiting the position of the two first clamping plates. The two first sealing gaskets ensure a tighter connection between the two first clamping plates and the pump inlet. The filling pipe is then fitted onto the pump inlet. Two second clamping plates are fitted onto the filling pipe. The two second fixing plates are then screwed together by rotating the second bolt, thus limiting the position of the two second clamping plates. The two second sealing gaskets ensure a tighter connection between the two second clamping plates and the filling pipe. The tightening of the filling pipe by the two second clamping plates makes the connection between the pump inlet and the filling pipe more secure and stable. The two rotating plates are rotated so that the two top plates approach the two rotating shafts respectively, and the two rotating shafts are compressed by the cooperation of multiple springs. Multiple third bolts are rotated to connect the two rotating plates to the two first clamping plates and the two second clamping plates respectively, making the two rotating plates more stable. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2This is a schematic cross-sectional view of the present invention.
[0020] Figure 3 This is a schematic diagram of the structure of the first and second sealing gaskets of this utility model;
[0021] Figure 4 This is a schematic diagram of the rotating plate and top plate of this utility model.
[0022] The following are labels in the attached diagram: 1. Filling pump; 2. Pump inlet; 3. Filling pipe; 4. First clamping plate; 5. First fixing plate; 6. First bolt; 7. Second clamping plate; 8. Second fixing plate; 9. Second bolt; 10. First sealing gasket; 11. Second sealing gasket; 12. Mounting plate; 13. Rotating plate; 14. Rotating shaft; 15. Top plate; 16. Spring; 17. Third bolt; 18. Fourth bolt; 19. Stabilizing bar; 20. First auxiliary plate; 21. Second auxiliary plate; 22. Rounded corner. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Example
[0025] Please see Figure 1 and Figure 2 A lubricating oil filling pump port connection structure includes a filling pump 1, a pump port 2 fixedly installed on the filling pump 1, and a filling pipe 3 fitted onto the pump port 2.
[0026] Please see Figure 1-3The pump inlet 2 and the filling pipe 3 are connected and stabilized through a connecting mechanism. This mechanism includes two first clamping plates 4, which are fitted onto the pump inlet 2 and are hinged together. Each of the two first clamping plates 4 has a first fixing plate 5 fixedly installed on it, and the two fixing plates 5 are screwed together using first bolts 6. Rotating the first bolts 6 secures the two first fixing plates 5, thus limiting their position. The filling pipe 3 is fitted with two second clamping plates 7, which are hinged together. Each of the two second clamping plates 7 has a second fixing plate 8 fixedly installed on it, and the two second fixing plates 8 are screwed together using second bolts 9. A first sealing gasket 10 is fixedly installed on the inner side wall of each of the two first clamping plates 4, and a second sealing gasket 11 is fixedly installed on the inner side wall of each of the two second clamping plates 7. The two first sealing gaskets 10 make the connection between the two first clamping plates 4 and the pump port 2 tighter. The filling pipe 3 is fitted to the pump port 2, and the two second clamping plates 7 are fitted onto the filling pipe 3. By rotating the second bolt 9, the two second fixing plates 8 are screwed together, thereby limiting the position of the two second clamping plates 7. The two second sealing gaskets 11 make the connection between the two second clamping plates 7 and the filling pipe 3 tighter. The fastening of the filling pipe 3 by the two second clamping plates 7 makes the connection between the pump port 2 and the filling pipe 3 tighter and more stable.
[0027] Please see Figure 1-4 Each of the two second clamping plates 7 is equipped with a limiting component, one of which includes a rotating plate 13. Two mounting plates 12 are symmetrically fixedly installed on the second clamping plate 7, and rotating shafts 14 are fixedly installed on the two mounting plates 12. The rotating plate 13 is rotatably connected to the rotating shafts 14. A sliding groove is provided on the rotating plate 13, and a top plate 15 is slidably installed in the sliding groove. Two springs 16 are symmetrically fixedly installed on the top plate 15, and the other ends of the two springs 16 are fixedly connected to the rotating plate 13. The rotating plate 13 is screwed to the first clamping plate 4 and the second clamping plate 7 respectively by two third bolts 17. Rotating the two rotating plates 13 causes the two top plates 15 to approach the two rotating shafts 14 respectively, and the two rotating shafts 14 are squeezed by the cooperation of multiple springs 16. Rotating the multiple third bolts 17 causes the two rotating plates 13 to connect to the two first clamping plates 4 and the two second clamping plates 7 respectively, making the two rotating plates 13 more stable.
[0028] Please see Figure 1-3 The two second clamping plates 7 and the two first clamping plates 4 are connected by multiple fourth bolts 18. The multiple fourth bolts 18 make the connection between the first clamping plates 4 and the second clamping plates 7 more stable.
[0029] Please see Figure 3 and Figure 4Stabilizing rods 19 are fixedly installed on both top plates 15. The two stabilizing rods 19 are slidably connected to the two rotating plates 13 respectively. The two stabilizing rods 19 make the two top plates 15 more stable when moving.
[0030] Please refer to Figure 13 and the rotating plate. Figure 4 It should also be noted that a first auxiliary plate 20 is fixedly installed on each of the two top plates 15, and the setting of the two first auxiliary plates 20 facilitates the movement of the two top plates 15.
[0031] Please see Figure 1 and Figure 3 Each of the two first clamping plates 4 and the two second clamping plates 7 is fixedly equipped with a second auxiliary plate 21. The arrangement of multiple second auxiliary plates 21 facilitates the movement and rotation of the two first clamping plates 4 and the two second clamping plates 7.
[0032] Please see Figure 1-3 The edges of the two first clamping plates 4 and the two second clamping plates 7 are all rounded 22. The multiple rounded corners 22 reduce the sharpness and protect the installers during the operation.
[0033] In summary, when using this lubricating oil filling pump port connection structure, the two first clamping plates 4 are fitted onto the outer wall of the pump port 2. The first bolt 6 is rotated to screw the two first fixing plates 5 together, thus limiting the position of the two first clamping plates 4. The clamping of the two first clamping plates 4 and the two first sealing gaskets 10 on the pump port 2 ensures a tighter connection between the two first clamping plates 4 and the pump port 2. The filling pipe 3 is then fitted onto the pump port 2. The two second clamping plates 7 are fitted onto the filling pipe 3. The second bolt 9 is rotated to screw the two second fixing plates 8 together, thus limiting the position of the two second clamping plates 7. The two second sealing gaskets 11 ensure that the two second clamping plates 7 are properly connected to the pump port 2. The connection of the injection pipe 3 is made tighter. The two second clamping plates 7 secure the injection pipe 3, making the connection between the pump port 2 and the injection pipe 3 more tight and stable. The two rotating plates 13 are rotated so that the two top plates 15 are close to the two rotating shafts 14 respectively. The two rotating shafts 14 are squeezed by the cooperation of multiple springs 16. Multiple third bolts 17 are rotated so that the two rotating plates 13 are connected to the two first clamping plates 4 and the two second clamping plates 7 respectively, making the two rotating plates 13 more stable. Multiple fourth bolts 18 are rotated in sequence so that the corresponding first clamping plates 4 and second clamping plates 7 are screwed together, making the two first clamping plates 4 and the two second clamping plates 7 more stable, and thus making the connection between the pump port 2 and the injection pipe 3 more stable.
[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A lubricating oil filling pump inlet connection structure, comprising a filling pump (1), characterized in that: The filling pump (1) is fixedly installed with a pump port (2), and a filling pipe (3) is fitted onto the pump port (2); The pump port (2) and the filling pipe (3) are connected and stabilized by a connection mechanism. The connection and stabilization mechanism includes two first clamps (4), which are fitted onto the pump port (2). The two first clamps (4) are hinged together. A first fixing plate (5) is fixedly installed on each of the two first clamps (4). The two first fixing plates (5) are screwed together by a first bolt (6). Two second clamps (7) are fitted onto the filling pipe (3). The two second clamps (7) are hinged together. A second fixing plate (8) is fixedly installed on each of the two second clamps (7). The two second fixing plates (8) are screwed together by a second bolt (9). A first sealing gasket (10) is fixedly installed on the inner side wall of each of the two first clamps (4). A second sealing gasket (11) is fixedly installed on the inner side wall of each of the two second clamps (7). Each of the two second clamping plates (7) is provided with a limiting component. One of the limiting components includes a rotating plate (13). Two mounting plates (12) are symmetrically fixedly installed on the second clamping plate (7). A rotating shaft (14) is fixedly installed on the two mounting plates (12). The rotating plate (13) is rotatably connected to the rotating shaft (14). A sliding groove is provided on the rotating plate (13). A top plate (15) is slidably installed in the sliding groove. Two springs (16) are symmetrically fixedly installed on the top plate (15). The other end of each of the two springs (16) is fixedly connected to the rotating plate (13). The rotating plate (13) is screwed to the first clamping plate (4) and the second clamping plate (7) respectively by two third bolts (17).
2. The lubricating oil filling pump inlet connection structure according to claim 1, characterized in that: The two second clamping plates (7) and the two first clamping plates (4) are connected by a plurality of fourth bolts (18).
3. The lubricating oil filling pump inlet connection structure according to claim 2, characterized in that: Stabilizing rods (19) are fixedly installed on both top plates (15), and the two stabilizing rods (19) are slidably connected to the two rotating plates (13) respectively.
4. The lubricating oil filling pump inlet connection structure according to claim 3, characterized in that: A first auxiliary plate (20) is fixedly installed on both of the top plates (15).
5. The lubricating oil filling pump port connection structure according to claim 4, characterized in that: A second auxiliary plate (21) is fixedly installed on each of the two first clamping plates (4) and the two second clamping plates (7).
6. The lubricating oil filling pump port connection structure according to claim 5, characterized in that: The edges of the two first clamping plates (4) and the two second clamping plates (7) are all rounded (22).