A constant flow pump connection assembly

By designing a connecting box and rotating frame gear structure in the constant flow pump, simultaneous conveying through dual pipelines is achieved, solving the problems of equipment downtime and insufficient efficiency caused by damage to a single pipeline, and improving conveying efficiency and versatility.

CN224496721UActive Publication Date: 2026-07-14JIANGSU TONGJI ANALYTICAL INSTR CO LTD
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Patent Information

Application Number
CN202522005249.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-18
Publication Date
2026-07-14
Estimated Expiration
2035-09-18

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Abstract

The utility model relates to constant current pump technical field, the application discloses a constant current pump connecting assembly, including constant current pump shell, the front end of constant current pump shell is fixed with the connecting box, the inside middle part of connecting box is fixed with the baffle, the utility model discloses a connecting box is fixed at the front end of constant current pump shell, and the inside setting baffle of connecting box is separated, and the first rotating frame and second rotating frame are equipped respectively on the both sides of baffle simultaneously, and first rotating frame and second rotating frame are connected through first gear and second gear engagement simultaneously, thereby when first rotating frame rotates, first rotating frame drives second gear rotation through first gear, and then makes second gear drive second rotating frame rotation, makes that connecting box inside can set up two pipes simultaneously, solved the single pipe of constant current pump and damaged because of frequent extrusion, often need to stop the equipment and maintain after, and single pipe also makes the problem of constant current pump's conveying efficiency and conveying diversity deficiency.
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Description

Technical Field

[0001] This utility model application relates to the field of constant flow pump technology, specifically a constant flow pump connection component. Background Technology

[0002] A constant flow pump is a fluid transport device that can maintain a constant output flow rate. Through a precision mechanical structure or electronic feedback control system, it automatically adjusts the pump's operating parameters to compensate for flow deviations caused by factors such as pipeline resistance, fluid viscosity changes, or back pressure fluctuations. Its core features are high stability and repeatability, ensuring the delivery of a precise fluid volume within a set time. Constant flow pumps are widely used in pharmaceutical, chemical, environmental protection, and laboratory fields, especially in applications with strict requirements for flow accuracy, such as chromatographic analysis, drug injection, and reagent addition.

[0003] Current constant flow pumps can often only process a single pipe. When the pipe is damaged due to frequent compression during equipment operation, it is often necessary to stop the equipment before replacing the pipe. At the same time, the single pipe also makes the constant flow pump's delivery efficiency and delivery versatility insufficient, and it cannot meet more complex delivery methods. Summary of the Invention

[0004] To address the issue that frequent compression of a single pipe in a constant flow pump often necessitates stopping the equipment for repairs, and that a single pipe also limits the pump's delivery efficiency and versatility, this invention provides a constant flow pump connection assembly to solve these problems.

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

[0006] A constant flow pump connection assembly includes a constant flow pump housing, a connecting box fixed to the front end of the constant flow pump housing, a partition plate fixed in the middle of the connecting box, a front baffle plate detachably fixed to the front end of the connecting box, a first rotating frame rotatably mounted inside the connecting box, a motor installed inside the constant flow pump housing, the output end of the motor inside the constant flow pump housing being fixedly connected to the first rotating frame, first wheels rotatably mounted at both ends of the first rotating frame, a first gear fixed to the side of the first rotating frame near the partition plate, a second rotating frame mounted on the side of the partition plate away from the first rotating frame, the second rotating frame rotatably connected to the front baffle plate, second wheels rotatably mounted at both ends of the second rotating frame, a second gear fixed to the end of the second rotating frame near the first rotating frame, the first gear and the second gear meshing together, and through-holes on both sides of the constant flow pump housing.

[0007] Furthermore, two fixing rods are symmetrically fixed above one end of the partition plate near the front baffle. The fixing rods are internally threaded with fixing screws. The front baffle has through holes that match the shape of the fixing screws. The front baffle is fixedly connected to the connecting box by fixing screws.

[0008] Furthermore, a limiting block is fixed to the outer side of the front baffle near the connecting box, and a limiting slot is provided at the end of the connecting box near the front baffle that matches the shape and position of the limiting block.

[0009] Furthermore, a limiting ring is provided at one end of the front baffle near the fixing rod, and the inner radius of the limiting ring is the same as the outer radius of the fixing rod.

[0010] Furthermore, the spacer plate has an opening in the middle that matches the shape of the first gear and the second gear, and the first gear and the second gear have the same radius.

[0011] Furthermore, the first rotating frame and the second rotating frame have the same length and width, and the second rotating frame is located below the first rotating frame.

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

[0013] 1. In this utility model, a connecting box is fixed to the front end of the constant flow pump housing, and a partition plate is set inside the connecting box for separation. At the same time, a first rotating frame and a second rotating frame are respectively provided on both sides of the partition plate. The first rotating frame and the second rotating frame are connected by a first gear and a second gear meshing. So when the first rotating frame rotates, the first rotating frame drives the second gear to rotate through the first gear, and then the second gear drives the second rotating frame to rotate. This allows two pipes to be set inside the connecting box at the same time. This solves the problem that when a single pipe of the constant flow pump is damaged due to frequent compression, it is often necessary to stop the equipment for maintenance. At the same time, a single pipe also makes the constant flow pump's delivery efficiency and delivery diversity insufficient.

[0014] 2. In this utility model, a front baffle is set at the front end of the connecting box, and a limiting block and a limiting ring are set at the end of the front baffle near the connecting box. At the same time, a corresponding limiting slot and a fixing rod are provided on the side of the connecting box near the front baffle. At this time, the front baffle can be engaged into the limiting slot by the limiting block and fixed with the fixing rod by fixing screws to avoid the problem of incorrect position. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural schematic diagram according to an embodiment of the present application;

[0017] Figure 2 yes Figure 1 A three-dimensional schematic diagram of the connection structure in the embodiment shown;

[0018] Figure 3 yes Figure 1 A three-dimensional schematic diagram of the transmission component structure in the embodiment shown;

[0019] Figure 4 yes Figure 1 A three-dimensional structural diagram of the sealing assembly in the illustrated embodiment.

[0020] The meanings of the reference numerals in the figure are as follows: 1. Constant flow pump housing; 2. Connecting box; 3. Front baffle; 31. Limiting block; 32. Limiting ring; 4. Fixing screw; 5. Spacer plate; 6. First rotating frame; 61. First wheel; 7. Second rotating frame; 71. Second wheel; 8. First gear; 9. Second gear; 10. Pipe opening; 11. Limiting slot; 12. Fixing rod. Detailed Implementation

[0021] To make the purpose, features, and advantages of this application more apparent and understandable, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0022] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4A constant flow pump connection assembly includes a constant flow pump housing 1, a connection box 2 fixed to the front end of the constant flow pump housing 1, a partition plate 5 fixed in the middle of the connection box 2, a front baffle 3 detachably fixed to the front end of the connection box 2, a first rotating frame 6 rotatably arranged inside the connection box 2, a motor inside the constant flow pump housing 1, the output end of the motor inside the constant flow pump housing 1 being fixedly connected to the first rotating frame 6, first wheels 61 rotatably arranged at both ends of the first rotating frame 6, a first gear 8 fixed on the side of the first rotating frame 6 near the partition plate 5, a second rotating frame 7 arranged on the side of the partition plate 5 away from the first rotating frame 6, the second rotating frame 7 rotatably connected to the front baffle 3, second wheels 71 rotatably arranged at both ends of the second rotating frame 7, a second gear 9 fixed on the end of the second rotating frame 7 near the first rotating frame 6, the first gear 8 and the second gear 9 meshing and connected, and through-holes 10 opened on both sides of the constant flow pump housing 1, so that two pipes are arranged inside the connection box 2.

[0023] Specifically, the partition plate 5 has an opening in the middle that matches the shape of the first gear 8 and the second gear 9. The first gear 8 and the second gear 9 have the same radius. The first rotating frame 6 and the second rotating frame 7 have the same length and width. The second rotating frame 7 is located below the first rotating frame 6 to prevent the partition plate 5 from blocking the rotation of the first rotating frame 6 and the second rotating frame 7.

[0024] As an optimization solution, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, two fixing rods 12 are symmetrically fixed above one end of the partition plate 5 near the front baffle 3. The fixing rods 12 are internally threaded with fixing screws 4. The front baffle 3 has through holes that match the shape of the fixing screws 4. The front baffle 3 is fixedly connected to the connecting box 2 through the fixing screws 4, thereby improving the fixing strength between the front baffle 3 and the connecting box 2.

[0025] Specifically, a limiting block 31 is fixed on the outer side of the front baffle 3 near the connecting box 2, and a limiting groove 11 that matches the shape and position of the limiting block 31 is opened on the end of the connecting box 2 near the front baffle 3. A limiting ring 32 is opened on the end of the front baffle 3 near the fixing rod 12. The inner radius of the limiting ring 32 is the same as the outer radius of the fixing rod 12, which facilitates the limiting and fixing between the connecting box 2 and the front baffle 3.

[0026] Working principle: By aligning the limiting block 31 with the limiting slot 11 and the limiting ring 32 with the fixing rod 12, the front baffle 3 is placed on the connecting box 2. At this time, the front baffle 3 drives the second rotating frame 7 and the second gear 9 to move towards the first rotating frame 6. Simultaneously, after the front baffle 3 is closed, the first gear 8 and the second gear 9 mesh with each other. Then, the front baffle 3 is fixedly connected to the fixing rod 12 by the fixing screw 4. At this time, the front baffle 3 is fixedly connected to the connecting box 2. Then, by starting the motor inside the constant flow pump housing 1, the motor inside the constant flow pump housing 1 drives the first rotating frame 6 to rotate. At the same time, the first rotating frame 6 drives the first gear 8 to rotate. At this time, the first gear 8 meshes with the second gear 9, which in turn drives the second gear 9 to rotate. Simultaneously, the second gear 9 drives the second rotating frame 7 to rotate. At this time, the first rotating frame 6 and the second rotating frame 7 drive the first wheel 61 and the second wheel 71 to move respectively. At this time, the operator can connect two different pipes to both sides of the partition plate 5 respectively, so that the first rotating frame 6 and the second rotating frame 7 can transport the material inside the two pipes respectively.

[0027] It will be apparent to those skilled in the art that this application is not limited to the details of the exemplary embodiments described above, and that this application can be implemented in other specific forms without departing from the spirit or essential characteristics of this application. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this application is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of the equivalent elements of the claims are intended to be included within this application. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A constant flow pump connection assembly, comprising a constant flow pump housing (1), characterized in that: A connecting box (2) is fixed to the front end of the constant flow pump housing (1). A partition plate (5) is fixed in the middle of the connecting box (2). A front baffle (3) is detachably fixed to the front end of the connecting box (2). A first rotating frame (6) is rotatably arranged inside the connecting box (2). A motor is provided inside the constant flow pump housing (1). The output end of the motor inside the constant flow pump housing (1) is fixedly connected to the first rotating frame (6). A first wheel (61) is rotatably arranged at both ends of the first rotating frame (6). The first rotating frame (6) is close to... A first gear (8) is fixed on one side of the partition plate (5). A second rotating frame (7) is provided on the side of the partition plate (5) away from the first rotating frame (6). The second rotating frame (7) is rotatably connected to the front baffle (3). A second wheel (71) is rotatably provided at both ends of the second rotating frame (7). A second gear (9) is fixed at the end of the second rotating frame (7) close to the first rotating frame (6). The first gear (8) and the second gear (9) are meshed and connected. Pipe openings (10) are provided on both sides of the constant flow pump housing (1).

2. The constant flow pump connection assembly according to claim 1, characterized in that: Two fixing rods (12) are symmetrically fixed above one end of the partition plate (5) near the front baffle (3). The fixing rods (12) are internally threaded with fixing screws (4). The front baffle (3) has through holes that match the shape of the fixing screws (4). The front baffle (3) is fixedly connected to the connecting box (2) by fixing screws (4).

3. The constant flow pump connection assembly according to claim 2, characterized in that: A limiting block (31) is fixed on the outer side of one end of the front baffle (3) near the connecting box (2), and a limiting slot (11) that matches the shape and position of the limiting block (31) is provided on one end of the connecting box (2) near the front baffle (3).

4. A constant flow pump connection assembly according to claim 2, characterized in that: A limiting ring (32) is provided at one end of the front baffle (3) near the fixed rod (12), and the inner radius of the limiting ring (32) is the same as the outer radius of the fixed rod (12).

5. A constant flow pump connection assembly according to claim 1, characterized in that: The spacer plate (5) has an opening in the middle that matches the shape of the first gear (8) and the second gear (9), and the first gear (8) and the second gear (9) have the same radius.

6. A constant flow pump connection assembly according to claim 1, characterized in that: The first rotating frame (6) and the second rotating frame (7) have the same length and width, and the second rotating frame (7) is located below the first rotating frame (6).