Mechanical high-precision peristaltic pump

Abstract

The mechanical high-precision peristaltic pump comprises a peristaltic pump body, a limiting upper cover, a driving disc, a lower limiting support and a control case, the control case is arranged on one side of the peristaltic pump body, the limiting upper cover and the lower limiting support are symmetrically arranged on the front face of the peristaltic pump body, the rotatable driving disc is arranged on the top of the lower limiting support, and the driving disc is arranged on the lower limiting support. And three extrusion wheels are arranged on the outer side of the driving disc. The peristaltic pump main body and the control case are connected in a splicing mode and are independent from each other, so that the control case can be detached and independently overhauled, subsequent maintenance is facilitated, and a handle frame is arranged on one side of the peristaltic pump main body, so that the equipment is convenient to carry by hand; a hose wear-resistant sleeve is arranged in the middle of the bottom end of the limiting upper cover, an infusion hose can penetrate through the hose wear-resistant sleeve, pressure resistance control is conducted on the infusion hose through an inner extrusion layer of the hose wear-resistant sleeve, and wear-resistant protection can be conducted on the infusion hose in the extrusion process through the hose wear-resistant sleeve.

Description

Technical Field

[0001] This utility model relates to the field of peristaltic pumps, specifically a mechanical high-precision peristaltic pump. Background Technology

[0002] A peristaltic pump consists of three parts: a drive unit, a pump head, and a hose. Its main competitive advantages include fluid isolation within the pump tubing, quick tubing replacement, reversible flow, dry operation, and low maintenance costs. A peristaltic pump works like squeezing a fluid-filled tube with your fingers; as you slide your fingers forward, the fluid moves forward. The peristaltic pump operates on the same principle, but with rollers replacing the fingers. Fluid is pumped by alternately squeezing and releasing the pump's elastic delivery hose. Just like squeezing a tube with two fingers, as the fingers move, negative pressure is created inside the tube, causing the liquid to flow.

[0003] For example, the authorized patent with publication number CN217873193U (Stepper Motor Driven Peristaltic Pump with Temperature Sensor) includes a stepper motor body, a peristaltic pump body, and a temperature sensor body. A fixed base A and two limiting blocks are fixedly connected to the side of the peristaltic pump body away from the stepper motor body. A fixed base B is slidably connected between the two limiting blocks. A snap-fit ​​groove is provided on the side of fixed base A and fixed base B that are close to each other. Limiting components are symmetrically arranged on the side of the peristaltic pump body away from the stepper motor body. In this utility model: by sliding fixed base B so that the rubber pad on fixed base B no longer abuts against the edge of the temperature sensor body, and then moving the temperature sensor body away from fixed base A, the temperature sensor body can be removed from the peristaltic pump body, making the operation simple. The flow module and temperature sensor body can solve the problem of differences in hose hardness caused by changes in the temperature environment and whether the hose is new or old, allowing the peristaltic pump to operate optimally.

[0004] The existing peristaltic pump control and drive modules cannot be separated, making subsequent disassembly, maintenance, and control inconvenient. Furthermore, the hose is prone to wear during long-term compression during the use of the peristaltic pump, requiring regular hose replacement. Negligence in operation can easily cause the hose to rupture, resulting in liquid damage to the peristaltic pump, thus compromising safety. Utility Model Content

[0005] The purpose of this invention is to provide a mechanical high-precision peristaltic pump to solve the problems mentioned in the background art, such as the inability to separate the control and drive modules of the peristaltic pump, which makes subsequent disassembly, maintenance and control inconvenient, and the fact that the hose is easily worn during the long-term compression process of the peristaltic pump and needs to be replaced regularly. If the operation is negligent, the hose may break, causing the liquid to damage the peristaltic pump, resulting in insufficient safety.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a mechanical high-precision peristaltic pump, comprising a peristaltic pump body, a limiting upper cover, a drive disc, a lower limiting support, and a control box. The control box is provided on one side of the peristaltic pump body, and the limiting upper cover and the lower limiting support are symmetrically arranged on the front of the peristaltic pump body. A rotatable drive disc is provided on the top of the lower limiting support, and three extrusion rollers are provided on the outer side of the drive disc.

[0007] In a further embodiment, a display screen is provided on one side of the upper front of the peristaltic pump body, a control panel is provided on the front of the control box, the output end of the control box is electrically connected to the input end of the display screen, and a heat dissipation vent is provided on the side of the control box.

[0008] In a further embodiment, a handle bracket is also included, the middle of which is provided with a handle glove, and both ends of the handle bracket are threadedly fixed to mounting holes on the side of the peristaltic pump body.

[0009] In a further embodiment, the limiting cover includes a limiting ear and a wear-resistant sleeve for the flexible tube;

[0010] The limiting ears are located at both ends of the bottom of the limiting cover, and the wear-resistant sleeve of the flexible tube is located at the center of the bottom of the limiting cover. The wear-resistant sleeve of the flexible tube has an extrusion layer inside.

[0011] In a further embodiment, a wear-resistant groove is provided at the center of the top of the lower limit support, and the outer side of the drive disk is in limiting contact with the wear-resistant groove. The rotation of the drive disk is controlled by a drive motor inside the peristaltic pump body.

[0012] In a further embodiment, the device also includes an infusion tubing, which is inserted through a tubing wear-resistant sleeve and in close contact with its internal compression layer, and both ends of the infusion tubing are limited by limiting ears.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The peristaltic pump body and control box of this utility model are connected by an assembly method, and the two are independent of each other, so that the control box can be disassembled and inspected separately, which facilitates subsequent maintenance. In addition, a handle is provided on one side of the peristaltic pump body for easy carrying of the equipment.

[0015] This utility model is equipped with a limiting cover, and a hose wear-resistant sleeve is provided at the bottom center of the limiting cover. The infusion hose can be inserted through the hose wear-resistant sleeve, and the pressure resistance of the infusion hose is controlled by the squeezing layer inside. The hose wear-resistant sleeve can protect the infusion hose from wear during the squeezing process, which can prevent the infusion hose from breaking. The hose does not need to be replaced, which greatly improves the service life and safety. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a side view of the peristaltic pump body of this utility model;

[0018] Figure 3 This is a schematic diagram of the peristaltic extrusion mechanism of this utility model;

[0019] Figure 4 This is the front view of the limiting cover of this utility model.

[0020] In the diagram: 1. Display screen; 2. Peristaltic pump body; 3. Limit cover; 4. Drive disc; 5. Lower limit support; 6. Handle holder; 7. Control box; 8. Handle glove; 9. Heat dissipation vent; 10. Wear-resistant sleeve for hose; 11. Limit ear; 12. Infusion hose; 13. Wear-resistant groove; 14. Squeezing wheel; 15. Squeezing layer. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-4 This utility model provides an embodiment of a mechanical high-precision peristaltic pump, comprising a peristaltic pump body 2, a limiting cover 3, a drive disc 4, a lower limiting support 5, and a control box 7. The control box 7 is located on one side of the peristaltic pump body 2, and the limiting cover 3 and the lower limiting support 5 are symmetrically arranged on the front of the peristaltic pump body 2. The top of the lower limiting support 5 is provided with a rotatable drive disc 4, and three squeezing wheels 14 are provided on the outer side of the drive disc 4. The control box 7 is used to intelligently control the peristaltic pump body 2, the limiting cover 3 and the lower limiting support 5 are used to limit the drive disc 4, and the drive disc 4 drives the three squeezing wheels 14 to rotate, so that the three squeezing wheels 14 squeeze and control the infusion tubing 12.

[0023] The peristaltic pump body 2 has a display screen 1 on one side near the upper front. The control box 7 has a control panel on the front. The output end of the control box 7 is electrically connected to the input end of the display screen 1. The control box 7 has a heat dissipation vent 9 on the side. Data is displayed on the display screen 1 and the heat dissipation vent 9 is used to allow the control box 7 to dissipate heat.

[0024] The handle 6 is provided with a glove 8 in the middle. The two ends of the handle 6 are threaded to the mounting holes on the side of the peristaltic pump body 2, so that the peristaltic pump body 2 can be easily carried by hand through the handle 6.

[0025] The limiting cover 3 includes limiting ears 11 and a hose wear-resistant sleeve 10. The limiting ears 11 are located at both ends of the bottom of the limiting cover 3, and the hose wear-resistant sleeve 10 is located at the center of the bottom of the limiting cover 3. The hose wear-resistant sleeve 10 has an internal compression layer 15. The limiting ears 11 are used to limit the installation of the infusion hose 12, and the hose wear-resistant sleeve 10 is used to provide wear-resistant protection for the infusion hose 12.

[0026] The top of the lower limit support 5 is provided with a wear-resistant groove 13, and the outer side of the drive disk 4 is in contact with the wear-resistant groove 13. The rotation of the drive disk 4 is controlled by the drive motor in the peristaltic pump body 2. The wear-resistant groove 13 is used to protect the drive disk 4 from wear.

[0027] The infusion tubing 12 is inserted through the tubing wear-resistant sleeve 10 and is in close contact with the internal compression layer 15. Both ends of the infusion tubing 12 are limited by the limiting ears 11. The infusion tubing 12 is used for flow guidance, and the tubing wear-resistant sleeve 10 provides wear-resistant protection for the infusion tubing 12.

[0028] Working principle: In use, the peristaltic pump body 2 is carried by hand using the handle bracket 6 and protected by the gloves 8. The infusion tubing 12 is inserted into the tubing wear-resistant sleeve 10 and limited by the limiting ears 11. The peristaltic pump body 2 is intelligently controlled by the control box 7, which drives the drive disk 4 to rotate via the drive motor. The drive disk 4 squeezes the tubing wear-resistant sleeve 10 through the outer compression wheel 14, and the tubing wear-resistant sleeve 10 squeezes the infusion tubing 12 through its inner compression layer 15, thus squeezing out the liquid inside the infusion tubing 12. The wear-resistant groove 13 is used to protect the drive disk 4 from wear.

[0029] 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.

Claims

1. A mechanical high-precision peristaltic pump, comprising a peristaltic pump body (2), a limiting upper cover (3), a drive disc (4), a lower limiting support (5), and a control box (7), characterized in that: The peristaltic pump body (2) has a control box (7) on one side. The peristaltic pump body (2) has a limiting upper cover (3) and a lower limiting support (5) symmetrically arranged on the front. The lower limiting support (5) has a rotatable drive disk (4) on its top. The drive disk (4) has three extrusion wheels (14) on its outer side.

2. The mechanical high-precision peristaltic pump according to claim 1, characterized in that: The peristaltic pump body (2) has a display screen (1) on one side near the upper front, the control box (7) has a control panel on the front, the output end of the control box (7) is electrically connected to the input end of the display screen (1), and the side of the control box (7) has a heat dissipation vent (9).

3. A mechanical high-precision peristaltic pump according to claim 1, characterized in that: It also includes a handle frame (6), the middle of which is provided with a handle glove (8), and the two ends of the handle frame (6) are threadedly fixed to the mounting holes on the side of the peristaltic pump body (2).

4. A mechanical high-precision peristaltic pump according to claim 1, characterized in that: The limiting cover (3) includes a limiting ear (11) and a hose wear-resistant sleeve (10). The limiting ears (11) are located at both ends of the bottom of the limiting cover (3), and the wear-resistant sleeve (10) of the hose is located at the center of the bottom of the limiting cover (3). The wear-resistant sleeve (10) of the hose has an extrusion layer (15) inside.

5. A mechanical high-precision peristaltic pump according to claim 1, characterized in that: The lower limit support (5) has a wear-resistant groove (13) at the center of its top, and the outer side of the drive disk (4) is in contact with the wear-resistant groove (13). The rotation of the drive disk (4) is controlled by the drive motor inside the peristaltic pump body (2).

6. A mechanical high-precision peristaltic pump according to claim 4, characterized in that: It also includes an infusion tubing (12), which is inserted through a tubing wear sleeve (10) and in close contact with the squeezing layer (15) inside it, and both ends of the infusion tubing (12) are limited by limiting ears (11) to exit.

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