Noise reduction structure for gear pump

Abstract

The utility model discloses a noise reduction structure for a gear pump, which comprises a gear pump main body and a mounting plate, a first groove is formed in the mounting plate, and a connecting plate is connected in the first groove in a sliding manner. According to the noise reduction structure of the gear pump, threaded rods on a connecting plate are rotated, when the threaded rod on one side rotates, a corresponding sliding block moves, and under the action of a bevel gear and an outer gear ring, the threaded rod on the other side also rotates, so that the sliding block on the other side is also adjusted at the same time; the gear pump main body is placed on the connecting plate, the mounting holes and the screw holes in the gear pump main body are connected and fixed through bolts, when the gear pump main body works and vibrates, the gear pump main body can extrude the springs through the connecting plate and the sliding plate, and the distance between the two screw holes is adjusted. And the spring is matched with the damper to buffer vibration generated by the gear pump main body, so that the purpose of reducing noise is achieved.

Description

Technical Field

[0001] This utility model relates to the field of gear pump technology, and more specifically, to a noise reduction structure for gear pumps. Background Technology

[0002] Gear pumps tend to generate noise due to their pulsed fluid delivery. Therefore, in addition to striving for simple and economical manufacturing of the pump, there is also a requirement to reduce noise generation. Currently, some existing gear pumps have mounting holes on the pump body for easy installation. During installation, the gear pump is fixed in the corresponding position by bolts and threaded holes. When the gear pump is working, it will vibrate, which will generate noise. This noise will affect the maintenance work of the staff. Therefore, we provide a noise reduction structure for gear pumps. Utility Model Content

[0003] The purpose of this invention is to provide a noise reduction structure for gear pumps to solve the problems mentioned in the background art.

[0004] Currently, some existing gear pumps have mounting holes on the pump body for easy installation. During installation, the gear pump is fixed in the corresponding position by bolts and screw holes. When the gear pump is working, it will vibrate, which will generate noise. This noise will affect the maintenance work of the staff.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A noise reduction structure for a gear pump includes a gear pump body and a mounting plate. The mounting plate has a first groove inside, and a connecting plate is slidably connected inside the first groove. The connecting plate cooperates with the gear pump body. The mounting plate also has a second groove inside, communicating with the first groove. A sliding plate is slidably connected inside the second groove and fixedly connected to the connecting plate. A spring is disposed between the second groove and the sliding plate, with one end fixedly connected to the sliding plate and the other end fixedly connected to the mounting plate. The connecting plate has a third groove inside, and a damper is disposed inside the third groove. The damper is fixedly connected to the mounting plate, and the connecting plate is fixedly connected to the output end of the damper.

[0007] Preferably, the gear pump body is internally connected with bolts, the connecting plate has a groove inside, a slider is slidably connected inside the groove, and a screw hole is inside the slider, which is used in conjunction with the bolt.

[0008] Preferably, there are two slides, and the two slides are symmetrically distributed.

[0009] Preferably, the connecting plate has a fourth groove inside, an external gear ring is rotatably connected inside the fourth groove, a threaded rod is threadedly connected inside the slider, the threaded rod is rotatably connected to the connecting plate, the threaded rod passes through the connecting plate and extends into the fourth groove, and a bevel gear is fixedly connected to the outer end of the threaded rod near the external gear ring, the bevel gear meshing with the external gear ring.

[0010] Preferably, the fourth groove is an annular structure.

[0011] Preferably, a limiting groove is formed inside the connecting plate on both sides of the corresponding slider. The limiting groove is connected to the sliding groove. A limiting block is slidably connected inside the limiting groove. The limiting block is fixedly connected to the slider.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] Rotating the threaded rod on the connecting plate causes the corresponding slider to move. Simultaneously, the threaded rod on the other side rotates under the action of the bevel gear and external gear ring, adjusting the slider on the other side as well. This allows for adjustment of the distance between the two threaded holes. The gear pump body is then placed on the connecting plate, aligning with the mounting holes and threaded holes on the gear pump body. Finally, it is secured with bolts. When the gear pump body vibrates during operation, it compresses the spring through the connecting plate and sliding plate. The spring, in conjunction with the damper, buffers the vibration generated by the gear pump body, thus reducing noise. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the connecting plate of this utility model;

[0016] Figure 3 This is a schematic diagram of the mounting plate of this utility model;

[0017] Figure 4 This is a cross-sectional schematic diagram of the mounting plate of this utility model.

[0018] The following are the labels in the diagram: 1. Gear pump body; 2. Mounting plate; 3. First groove; 4. Connecting plate; 5. Second groove; 6. Slide plate; 7. Spring; 8. Third groove; 9. Damper; 10. Bolt; 11. Slide groove; 12. Slider; 13. Screw hole; 14. Fourth groove; 15. Threaded rod; 16. Bevel gear; 17. External gear ring; 18. Limiting groove; 19. Limiting block. Detailed Implementation

[0019] 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.

[0020] Please see Figures 1 to 4 A noise reduction structure for a gear pump includes a gear pump body 1 and a mounting plate 2. The mounting plate 2 has a first groove 3 inside, and a connecting plate 4 is slidably connected inside the first groove 3. The connecting plate 4 cooperates with the gear pump body 1. The mounting plate 2 also has a second groove 5 inside, which communicates with the first groove 3. A sliding plate 6 is slidably connected inside the second groove 5, and the sliding plate 6 is provided on all four sides of the connecting plate 4. The sliding plate 6 is fixedly connected to the connecting plate 4. A spring 7 is provided between the second groove 5 and the sliding plate 6. One end of the spring 7 is fixedly connected to the sliding plate 6, and the other end of the spring 7 is fixedly connected to the mounting plate 2. The connecting plate 4 has a third groove 8 inside, and a damper 9 is provided inside the third groove 8. The damper 9 is fixedly connected to the mounting plate 2, and the connecting plate 4 is fixedly connected to the output end of the damper 9. The damper 9, in conjunction with the spring 7, buffers the vibration generated by the gear pump body 1 on the connecting plate 4 during operation, thereby achieving noise reduction.

[0021] Furthermore, the gear pump body 1 is internally connected with bolts 10, the connecting plate 4 is internally provided with a sliding groove 11, the sliding groove 11 is internally connected with a slider 12, the slider 12 is internally provided with a screw hole 13, the screw hole 13 is used in conjunction with the bolts 10, and the gear pump body 1 and the connecting plate 4 are connected and fixed by bolts 10 and screw holes 13.

[0022] Furthermore, there are two slide grooves 11, which are symmetrically distributed. Correspondingly, there are also two sliders 12, which means there are two screw holes 13 that are compatible with the bolts 10. Since the sliders 12 can move within the slide grooves 11, the distance between the two screw holes 13 can be adjusted to accommodate gear pump bodies 1 of different specifications.

[0023] Furthermore, a fourth groove 14 is provided inside the connecting plate 4. An external gear ring 17 is rotatably connected inside the fourth groove 14. A threaded rod 15 is threadedly connected inside the slider 12. The threaded rod 15 is rotatably connected to the connecting plate 4. The threaded rod 15 passes through the connecting plate 4 and extends into the fourth groove 14. A bevel gear 16 is fixedly connected to the outer end of the threaded rod 15 near the external gear ring 17. The bevel gear 16 meshes with the external gear ring 17. One of the two threaded rods 15 passes through the connecting plate 4 and extends to one side of the connecting plate 4. A regular hexagonal groove is provided at the end of this threaded rod 15 located on one side of the connecting plate 4 for tightening with an internal hex wrench.

[0024] Furthermore, the fourth groove 14 has an annular structure, which makes the inside of the fourth groove 14 appear as a cylinder, and the outer gear ring 17 can be fitted on this cylinder to ensure the stability of the outer gear ring 17 within the fourth groove 14.

[0025] Furthermore, limiting grooves 18 are provided inside the connecting plate 4 on both sides of the corresponding slider 12. The limiting grooves 18 are connected to the slide groove 11. A limiting block 19 is slidably connected inside the limiting groove 18. The limiting block 19 is fixedly connected to the slider 12. The slider 12 is limited by the limiting grooves 18 and the limiting block 19. When the threaded rod 15 rotates, the threaded rod 15 can drive the slider 12 to move in the slide groove 11, thereby adjusting the distance between the two screw holes 13, which is convenient for installing gear pump bodies 1 of different specifications.

[0026] The steps for using this utility model are as follows: When using this gear pump noise reduction structure, the threaded rod 15 on the connecting plate 4 is rotated according to the distance between the two mounting holes on the gear pump body 1. When the threaded rod 15 on one side rotates, the corresponding slider 12 will move. Under the action of the bevel gear 16 and the external gear ring 17, the threaded rod 15 on the other side will also rotate, thereby simultaneously adjusting the slider 12 on the other side, thus achieving the purpose of adjusting the distance between the two screw holes 13. The gear pump body 1 is placed on the connecting plate 4, and the mounting holes and screw holes 13 on the gear pump body 1 are aligned. Finally, it is connected and fixed with bolts 10. When the gear pump body 1 vibrates during operation, the gear pump body 1 will compress the spring 7 through the connecting plate 4 and the sliding plate 6. The spring 7, in conjunction with the damper 9, buffers the vibration generated by the gear pump body 1, thereby achieving the purpose of noise reduction.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A noise reduction structure for a gear pump, comprising a gear pump body (1) and a mounting plate (2), characterized in that: The mounting plate (2) has a first groove (3) inside, and a connecting plate (4) is slidably connected inside the first groove (3). The connecting plate (4) is used in conjunction with the gear pump body (1). The mounting plate (2) has a second groove (5) inside, and the second groove (5) communicates with the first groove (3). A sliding plate (6) is slidably connected inside the second groove (5). The sliding plate (6) is fixedly connected to the connecting plate (4). A spring (7) is provided between the second groove (5) and the sliding plate (6). One end of the spring (7) is fixedly connected to the sliding plate (6), and the other end of the spring (7) is fixedly connected to the mounting plate (2). The connecting plate (4) has a third groove (8) inside, and a damper (9) is provided inside the third groove (8). The damper (9) is fixedly connected to the mounting plate (2), and the connecting plate (4) is fixedly connected to the output end of the damper (9).

2. The noise reduction structure for a gear pump according to claim 1, characterized in that: The gear pump body (1) is internally connected to a bolt (10), the connecting plate (4) is internally provided with a sliding groove (11), the sliding groove (11) is internally connected to a slider (12), the slider (12) is internally provided with a screw hole (13), and the screw hole (13) is used in conjunction with the bolt (10).

3. The noise reduction structure for a gear pump according to claim 2, characterized in that: There are two slides (11), and the two slides (11) are symmetrically distributed.

4. The noise reduction structure for a gear pump according to claim 2, characterized in that: The connecting plate (4) has a fourth groove (14) inside, and an external gear ring (17) is rotatably connected inside the fourth groove (14). The slider (12) is threadedly connected to a threaded rod (15), which is rotatably connected to the connecting plate (4). The threaded rod (15) passes through the connecting plate (4) and extends into the fourth groove (14). A bevel gear (16) is fixedly connected to the outer end of the threaded rod (15) near the external gear ring (17), and the bevel gear (16) meshes with the external gear ring (17).

5. The noise reduction structure for a gear pump according to claim 4, characterized in that: The fourth groove (14) is a ring structure.

6. The noise reduction structure for a gear pump according to claim 2, characterized in that: Limiting grooves (18) are provided inside the connecting plate (4) and on the corresponding two sides of the slider (12). The limiting grooves (18) are connected to the sliding groove (11). A limiting block (19) is slidably connected inside the limiting groove (18). The limiting block (19) is fixedly connected to the slider (12).

Images