Low noise precision gear pump

Abstract

The utility model relates to the technical field of precision gear pump, especially low noise precision gear pump, including precision gear pump body, two connecting blocks, set up connecting rod between two connecting blocks, first composite sound insulation layer, second composite sound insulation layer are rotatably sleeved on the connecting rod, first composite sound insulation layer, second composite sound insulation layer one side respectively are provided with two limit blocks, two mounting blocks, and the threaded hole is seted up in the limit block, the threaded hole is seted up in the mounting block top, and the limit threaded rod passes through threaded through -hole and is inserted after first composite sound insulation layer, second composite sound insulation layer's sound insulation effect under, effectively reduce the noise that precision gear pump body sent when running, and further realize the low noise when precision gear pump body runs.

Description

Technical Field

[0001] This utility model relates to the field of precision gear pump technology, and in particular to a low-noise precision gear pump. Background Technology

[0002] Precision gear pumps are high-precision positive displacement pumps that achieve precise liquid delivery through gear meshing. They are widely used in industrial settings where flow stability, pressure control, and media purity are extremely important.

[0003] The core advantages of precision gear pumps lie in their simple structure, strong self-priming ability, high pressure resistance, and stable flow rate. Therefore, precision gear pumps are widely used. However, precision gear pumps generate noise during operation, which limits the expansion of their application scenarios. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a low-noise precision gear pump.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A low-noise precision gear pump includes a precision gear pump body and two connecting blocks. A connecting rod is provided between the two connecting blocks. A first composite sound insulation layer and a second composite sound insulation layer are rotatably sleeved on the connecting rod. Two limiting blocks and two mounting blocks are respectively provided on one side of the first composite sound insulation layer and the second composite sound insulation layer. Threaded through holes are opened in the limiting blocks, and threaded holes are opened on the top of the mounting blocks. A limiting threaded rod is inserted into the threaded hole after passing through the threaded through hole.

[0007] In addition, a preferred structure is that a limiting groove is provided on the bottom side of the first composite sound insulation layer, and a first rotating sleeve is provided at both ends of one side of the first composite sound insulation layer, and the first rotating sleeve is rotatably sleeved on the connecting rod.

[0008] In addition, a preferred structure is that a limiting plate is provided on the bottom side of the second composite sound insulation layer, and the limiting plate is inserted into the limiting groove.

[0009] Furthermore, in a preferred configuration, a second rotating sleeve is provided on one side of the second composite sound insulation layer, the second rotating sleeve is rotatably located on the connecting rod, and the second rotating sleeve is located between the two first rotating sleeves.

[0010] Furthermore, a preferred structure is that slots are provided at both ends on one side of the precision gear pump body.

[0011] In addition, a preferred structure is that the bottom of the connecting block is provided with an insert plate, which is inserted into the slot.

[0012] Furthermore, in a preferred configuration, the inner layer of the first composite sound insulation layer and the second composite sound insulation layer is a damping coating, and the outer layer is microporous sound-absorbing cotton.

[0013] The beneficial effects of this utility model are as follows:

[0014] In this invention, the sound insulation effect of the first composite sound insulation layer and the second composite sound insulation layer effectively reduces the noise emitted by the precision gear pump body during operation, thereby achieving low noise operation of the precision gear pump body. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the low-noise precision gear pump proposed in this utility model.

[0016] Figure 2 This is a schematic diagram of the precision gear pump body and sound insulation components of the low-noise precision gear pump proposed in this utility model.

[0017] Figure 3 This is a schematic diagram of the sound insulation component structure of the low-noise precision gear pump proposed in this utility model;

[0018] Figure 4 This is an exploded structural diagram of the sound insulation component of the low-noise precision gear pump proposed in this utility model.

[0019] Figure 5 The low-noise precision gear pump proposed in this utility model Figure 4 Enlarged structural diagram at point A in the middle;

[0020] Figure 6 This is a schematic diagram of the first composite sound insulation layer structure of the low-noise precision gear pump proposed in this utility model.

[0021] In the figure: 1 Precision gear pump body, 11 Slot, 2 First composite sound insulation layer, 21 Limiting block, 211 Threaded through hole, 22 First rotating sleeve, 23 Limiting groove, 3 Second composite sound insulation layer, 31 Mounting block, 311 Threaded hole, 32 Second rotating sleeve, 33 Limiting plate, 4 Connecting block, 41 Insert plate, 5 Limiting threaded rod, 6 Connecting rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Reference Figure 1-6A low-noise precision gear pump includes a precision gear pump body 1 and two connecting blocks 4. A connecting rod 6 is set between the two connecting blocks 4. A first composite sound insulation layer 2 and a second composite sound insulation layer 3 are rotatably sleeved on the connecting rod 6. Two limiting blocks 21 and two mounting blocks 31 are respectively set on one side of the first composite sound insulation layer 2 and the second composite sound insulation layer 3. A threaded through hole 211 is opened in the limiting block 21, and a threaded hole 311 is opened on the top of the mounting block 31. A limiting threaded rod 5 is inserted into the threaded hole 311 after passing through the threaded through hole 211.

[0024] The first composite sound insulation layer 2 has a limiting groove 23 on its bottom side, and a first rotating sleeve 22 is provided at both ends of one side of the first composite sound insulation layer 2. The first rotating sleeve 22 is rotatably sleeved on the connecting rod 6, so that the first composite sound insulation layer 2 can rotate around the connecting rod 6 as the axis.

[0025] Meanwhile, a limiting plate 33 is provided on the bottom side of the second composite sound insulation layer 3. The limiting plate 33 is inserted into the limiting groove 23 to achieve the initial installation of the first composite sound insulation layer 2 and the second composite sound insulation layer 3.

[0026] Furthermore, a second rotating sleeve 32 is provided on one side of the second composite sound insulation layer 3. The second rotating sleeve 32 is rotatably located on the connecting rod 6 and is located between the two first rotating sleeves 22, so that the second composite sound insulation layer 3 can rotate about the connecting rod 6 as the axis.

[0027] Meanwhile, slots 11 are opened at both ends of the top of the precision gear pump body 1, and a plug plate 41 is set at the bottom of the connecting block 4. The plug plate 41 is inserted into the slot 11 to initially limit the sound insulation component, so as to facilitate the installation of the sound insulation component onto the precision gear pump body 1.

[0028] Furthermore, the inner layer of the first composite sound insulation layer 2 and the second composite sound insulation layer 3 is a damping coating, and the outer layer is a microporous sound-absorbing cotton, which can effectively isolate noise and achieve low noise operation of the precision gear pump body 1.

[0029] In this embodiment, the noise emitted by the precision gear pump body 1 during operation is effectively isolated by the first composite sound insulation layer 2 and the second composite sound insulation layer 3, thereby achieving low noise operation of the precision gear pump body 1.

[0030] When the first composite sound insulation layer 2 and the second composite sound insulation layer 3 need to be replaced due to aging, turn the limiting threaded rod 5 to remove it from the threaded hole 311 and the threaded through hole 211. Rotate the first composite sound insulation layer 2 and the second composite sound insulation layer 3, and then pull up the two connecting blocks 4 to remove the first composite sound insulation layer 2 and the second composite sound insulation layer 3 from the precision gear pump body 1. Then, use a new sound insulation component. Align the insert plate 41 with the slot 11 and insert it. Insert the limiting plate 33 into the limiting groove 23. Then, use the limiting threaded rod 5 to pass through the threaded through hole 211 and thread it into the threaded hole 311 and tighten it. At this time, the first composite sound insulation layer 2 and the second composite sound insulation layer 3 are tightly wrapped around the precision gear pump body 1, which can effectively reduce noise when the precision gear pump body 1 is running.

[0031] In this invention, the sound insulation effect of the first composite sound insulation layer 2 and the second composite sound insulation layer 3 effectively reduces the noise emitted by the precision gear pump body 1 during operation, thereby achieving low noise operation of the precision gear pump body 1.

[0032] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A low-noise precision gear pump, comprising a precision gear pump body (1) and two connecting blocks (4), characterized in that, A connecting rod (6) is provided between the two connecting blocks (4). A first composite sound insulation layer (2) and a second composite sound insulation layer (3) are rotatably sleeved on the connecting rod (6). Two limiting blocks (21) and two mounting blocks (31) are respectively provided on one side of the first composite sound insulation layer (2) and the second composite sound insulation layer (3). A threaded through hole (211) is opened in the limiting block (21), and a threaded hole (311) is opened on the top of the mounting block (31). A limiting threaded rod (5) is inserted into the threaded hole (211) after passing through the threaded through hole (211).

2. The low-noise precision gear pump according to claim 1, characterized in that, A limiting groove (23) is provided on the bottom side of the first composite sound insulation layer (2), and a first rotating sleeve (22) is provided at both ends of one side of the first composite sound insulation layer (2). The first rotating sleeve (22) is rotated and sleeved on the connecting rod (6).

3. The low-noise precision gear pump according to claim 1, characterized in that, A limiting plate (33) is provided on the bottom side of the second composite sound insulation layer (3), and the limiting plate (33) is inserted into the limiting groove (23).

4. The low-noise precision gear pump according to claim 1, characterized in that, A second rotating sleeve (32) is provided on one side of the second composite sound insulation layer (3). The second rotating sleeve (32) is rotatably located on the connecting rod (6) and is located between the two first rotating sleeves (22).

5. The low-noise precision gear pump according to claim 1, characterized in that, The precision gear pump body (1) has slots (11) at both ends on one side.

6. The low-noise precision gear pump according to claim 1, characterized in that, The bottom of the connecting block (4) is provided with a plug plate (41), which is inserted into the slot (11).

7. The low-noise precision gear pump according to claim 1, characterized in that, The inner layer of the first composite sound insulation layer (2) and the second composite sound insulation layer (3) is a damping coating, and the outer layer is a microporous sound-absorbing cotton.

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