Peristaltic fluid pump assembly

By designing support and limiting structures, and using arc-shaped plates to support pipe bends, combined with springs, pins, and anti-slip strips, the problems of reduced flow cross-sectional area and detachment caused by excessive pipe bending angles are solved, thus improving conveying efficiency and stability.

CN223767684UActive Publication Date: 2026-01-06QINGYANG FLUID TECH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202520567338.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-01-06
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Excessive bends in the pipeline reduce the cross-sectional area for flow, increasing fluid flow resistance, affecting flow control accuracy and delivery efficiency, and may even lead to blockages.

Method used

The design incorporates support and limiting structures, using curved plates to support pipe bends, springs and pins to enhance stability, and elastic bands and anti-slip strips to strengthen the fixation between the pipe and connecting pipe, preventing excessive bending angles and detachment.

Benefits of technology

It improves the pipeline's transport efficiency and stability, and avoids problems such as reduced flow velocity and blockage caused by excessively large bend angles in the pipeline.

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Abstract

The utility model relates to the technical field of peristaltic fluid pump assemblies, and discloses a peristaltic fluid pump assembly which comprises a peristaltic pump body, a pump body is installed on the surface of the peristaltic pump body, two connecting pipes are installed on the surface of the pump body, a rotary knob is installed on the surface of the peristaltic pump body, a supporting structure is arranged on the surface of the peristaltic pump body, and the supporting structure is arranged on the surface of the peristaltic pump body. The supporting structure comprises a supporting plate, the supporting plate is fixedly connected with the surface of the peristaltic pump body, two rotating rods rotationally penetrate through the surface of the supporting plate, the ends, close to the connecting pipes, of the rotating rods are fixedly connected with arc-shaped plates, the arc surfaces of the rotating rods are fixedly connected with limiting plates, and plug pins slidably penetrate through the surfaces of the limiting plates; according to the peristaltic fluid pump assembly, by arranging the supporting structure, the arc-shaped plate can support the pipeline, so that the bent part of the pipeline is bent according to the angle of the arc-shaped plate, the situation that the bent angle of the pipeline is too large is avoided, and the conveying efficiency of the pipeline is improved.
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Description

Technical Field

[0001] This utility model relates to the field of peristaltic fluid pump assembly technology, specifically a peristaltic fluid pump assembly. Background Technology

[0002] A peristaltic fluid pump assembly is a device that uses the peristaltic principle to transport fluids. It is driven by a motor to rotate the pump head, and rollers or pressure blocks periodically squeeze the hose to generate negative pressure, which draws in the fluid and propels it forward. Peristaltic fluid pump assemblies are widely used in many industries due to their pollution-free, easy-to-maintain, and precise control characteristics.

[0003] When a pipe is connected to a connecting pipe, a section of the pipe needs to be bent. If the bending angle of the pipe is too large, the effective flow cross-sectional area of ​​the pipe will be reduced, increasing the resistance to fluid flow and causing the flow rate to drop. In some experimental or production processes that require precise flow control, changes in flow rate may affect the stability of the entire process and product quality, further affecting the conveying efficiency and even causing pipe blockage. To address this, we propose a peristaltic fluid pump assembly. Utility Model Content

[0004] The purpose of this invention is to provide a peristaltic fluid pump assembly to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a peristaltic fluid pump assembly, comprising a peristaltic pump body, a pump body mounted on the surface of the peristaltic pump body, two connecting pipes mounted on the surface of the pump body, a knob mounted on the surface of the peristaltic pump body, a support structure provided on the surface of the peristaltic pump body, the support structure comprising a support plate, the support plate being fixedly connected to the surface of the peristaltic pump body, two rotating rods rotatably passing through the surface of the support plate, an arc-shaped plate being fixedly connected to one end of each rotating rod near the connecting pipe, a limiting plate being fixedly connected to the arc surface of each rotating rod, a pin slidingly passing through the surface of the limiting plate, and a plurality of positioning holes being formed on the surface of the support plate, the size of the pin being adapted to the size of the positioning holes.

[0006] The effect achieved by the above components is as follows: by setting up a support structure, the arc plate will support the pipeline, so that the bending part of the pipeline bends according to the angle of the arc plate, thereby avoiding the occurrence of excessive bending angle of the pipeline and improving the pipeline's transportation efficiency.

[0007] Preferably, a spring is fitted onto the arc surface of the pin, and the two ends of the spring are fixedly connected to the pin and the limiting plate, respectively.

[0008] The effect achieved by the above components is that the pin will be inserted into the positioning hole with the help of the spring's contraction force. The spring improves the stability of the pin's insertion into the positioning hole and prevents the pin from coming out of the positioning hole due to shaking.

[0009] Preferably, a turntable is fixedly connected to the end of the rotating rod away from the arc plate, and the cross-section of the turntable is in the shape of a cross.

[0010] The effect achieved by the above components is that the rotation of the turntable will drive the rotation of the rotating rod, and the turntable facilitates the rotation of the rotating rod.

[0011] Preferably, two elastic bands are fixedly connected to the surface of the arc-shaped plate.

[0012] The effect achieved by the above components is that the elastic band will use its own elasticity to tighten the pipe to the surface of the curved plate, thereby ensuring that the pipe can fit the surface of the curved plate.

[0013] Preferably, the surface of the pump body is provided with a limiting structure, the limiting structure includes a bracket, a bidirectional screw is rotatably passed through the surface of the bracket, four drive plates are threadedly connected to the surface of the bidirectional screw, the four drive plates are threadedly connected in pairs to both sides of the bracket, and a pressure plate is fixedly connected to the surface of the drive plate.

[0014] The effect achieved by the above components is that by setting a limiting structure, the pipe is tightly clamped to the surface of the connecting pipe, improving the stability of the pipe on the surface of the connecting pipe, thereby preventing the pipe from falling off the connecting pipe during use.

[0015] Preferably, a guide plate is fixedly connected to one side of the drive plate, and guide rods are fixedly connected to both sides of the bracket, with the guide rods passing through the guide plate.

[0016] The effect achieved by the above components is that the movement of the drive plate will cause the guide plate to slide along the surface of the guide rod, and the guide rod will limit the movement path of the guide plate, thereby limiting the movement path of the drive plate and preventing the drive plate from rotating during movement.

[0017] Preferably, a plurality of anti-slip strips are fixedly connected to the side of the pressure plate near the connecting pipe, and the anti-slip strips are made of rubber.

[0018] The effect achieved by the above components is that the anti-slip strip increases the friction between the pressure plate and the pipe, thereby further improving the effect of fixing the pipe.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] This utility model, by setting a support structure, achieves the goal of the arc-shaped plate supporting the pipeline, thereby causing the bending part of the pipeline to bend according to the angle of the arc-shaped plate, thus avoiding the occurrence of excessive bending angle of the pipeline and improving the pipeline's transportation efficiency.

[0021] By setting a limiting structure, the pipe is tightly clamped to the surface of the connecting pipe, improving the stability of the pipe on the surface of the connecting pipe, thereby preventing the pipe from falling off the connecting pipe during use. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the structure of this utility model from another angle;

[0024] Figure 3 This is a structural schematic diagram of the support structure of this utility model;

[0025] Figure 4 This utility model Figure 3 Enlarged view of point A in the image;

[0026] Figure 5 This is a schematic diagram of the limiting structure of this utility model.

[0027] In the diagram: 1. Peristaltic pump body; 2. Pump body; 3. Connecting pipe; 4. Knob; 5. Support structure; 51. Support plate; 52. Rotating rod; 53. Arc plate; 54. Limiting plate; 55. Pin; 56. Positioning hole; 57. Spring; 58. Turntable; 59. Elastic band; 6. Limiting structure; 61. Bracket; 62. Two-way screw; 63. Drive plate; 64. Pressure plate; 65. Guide plate; 66. Guide rod; 67. Anti-slip strip. Detailed Implementation

[0028] 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.

[0029] Please see Figure 1-2This utility model provides a technical solution: a peristaltic fluid pump assembly, including a peristaltic pump body 1, a pump body 2 mounted on the surface of the peristaltic pump body 1, two connecting pipes 3 mounted on the surface of the pump body 2, a knob 4 mounted on the surface of the peristaltic pump body 1, and a support structure 5 provided on the surface of the peristaltic pump body 1. By providing the support structure 5, an arc-shaped plate 53 supports the pipes, causing the pipes to bend at the angle of the arc-shaped plate 53, thus preventing excessive bending angles and improving the pipe's conveying efficiency. A limiting structure 6 is provided on the surface of the pump body 2, which tightly clamps the pipes to the surface of the connecting pipes 3, improving the stability of the pipes on the surface of the connecting pipes 3 and preventing the pipes from detaching from the connecting pipes 3 during use.

[0030] Reference Figure 2 and Figure 3 and Figure 4 As shown in this embodiment: the support structure 5 includes a support plate 51, which is fixedly connected to the surface of the peristaltic pump body 1. Two rotating rods 52 rotatably pass through the surface of the support plate 51. An arc-shaped plate 53 is fixedly connected to one end of the rotating rod 52 near the connecting pipe 3. A limiting plate 54 is fixedly connected to the arc surface of the rotating rod 52. A pin 55 slides through the surface of the limiting plate 54. Several positioning holes 56 are opened on the surface of the support plate 51. The size of the pin 55 is adapted to the size of the positioning holes 56. A spring 57 is sleeved on the arc surface of the pin 55. The two ends of the spring 57 are fixedly connected to the pin 55 and the limiting plate 54, respectively. The pin 55 will be inserted into the positioning hole 56 by the force of the spring 57 contraction. The spring 57 improves the stability of the pin 55 inserted into the positioning hole 56 and prevents the pin 55 from falling out of the positioning hole 56 due to shaking. A turntable 58 is fixedly connected to the end of the rotating rod 52 away from the arc-shaped plate 53. The cross-section of the turntable 58 is cross-shaped. The rotation of the turntable 58 will drive the rotating rod 52 to rotate, thus facilitating the rotation of the rotating rod 52. Two elastic bands 59 are fixedly connected to the surface of the arc-shaped plate 53. The elastic bands 59 will use their own elasticity to tighten the pipe against the surface of the arc-shaped plate 53, thereby ensuring that the pipe can fit snugly against the surface of the arc-shaped plate 53.

[0031] Reference Figure 5As shown, specifically, the limiting structure 6 includes a bracket 61. A bidirectional screw 62 rotatably passes through the surface of the bracket 61. Four drive plates 63 are threadedly connected to the surface of the bidirectional screw 62. The four drive plates 63 are threadedly connected in pairs to both sides of the bracket 61. A pressure plate 64 is fixedly connected to the surface of the drive plate 63. A guide plate 65 is fixedly connected to one side of the drive plate 63. Guide rods 66 are fixedly connected to both sides of the bracket 61. The guide rods 66 pass through the guide plate 65. When the drive plate 63 moves, it causes the guide plate 65 to slide along the surface of the guide rod 66. The guide rods 66 limit the movement path of the guide plate 65, thereby limiting the movement path of the drive plate 63 and preventing the drive plate 63 from rotating during movement. Several anti-slip strips 67 are fixedly connected to the side of the pressure plate 64 near the connecting pipe 3. The anti-slip strips 67 are made of rubber and increase the friction between the pressure plate 64 and the pipe, thereby further improving the effect of fixing the pipe.

[0032] Working principle: When support is needed for the pipe connected to the connecting pipe 3, first pull the elastic band 59 to pass the pipe through the area between the elastic band 59 and the arc plate 53. At this time, the pipe will adhere to the surface of the arc plate 53. Then, the pipe is placed on the surface of the connecting pipe 3. At this time, the elastic band 59 is released, and the elastic band 59 will use its own elasticity to tighten the pipe to the surface of the arc plate 53. At this time, the arc plate 53 will support the pipe, so that the bending part of the pipe bends according to the angle of the arc plate 53, thereby avoiding the pipe bending angle being too large. When it is necessary to adjust the conveying direction of the pipe, first pull the pin 55. The pin 55 will slide within the limit plate 54 and gradually move from the fixed position. When the pin 55 disengages from the positioning hole 56, the movement of the pin 55 stretches the spring 57. After the pin 55 disengages from the positioning hole 56, the turntable 58 is rotated. The rotation of the turntable 58 drives the rotating rod 52 to rotate, which in turn drives the limiting plate 54 to rotate, and then drives the arc plate 53 to rotate. The rotation of the arc plate 53 drives the pipe to rotate, thereby adjusting the direction of pipe transport and reducing pipe bending. Then, the pin 55 is released, and the pin 55 will be inserted into the positioning hole 56 with the help of the contraction force of the spring 57. The pin 55 restricts the rotation of the rotating rod 52, thereby restricting the position of the arc plate 53, and fixing the arc plate 53 according to the direction of pipe transport, thereby further improving the support effect of the pipe.

[0033] When it is necessary to improve the fixing effect of the pipe fitted on the connecting pipe 3, firstly rotate the double-sided screw 62. The rotation of the double-sided screw 62 will cause it to rotate within the bracket 61. The rotation of the double-sided screw 62 will drive the two drive plates 63 to move closer to each other through the thread. The movement of the drive plates 63 will cause the guide plate 65 to slide along the surface of the guide rod 66. The guide rod 66 will limit the movement path of the guide plate 65, thereby limiting the movement path of the drive plate 63, thus preventing the drive plate 63 from rotating during movement. When the drive plate 63 moves, it will drive the pressure plate 64 to move. The pressure plate 64 will move closer to the connecting pipe 3. When the pressure plate 64 moves to the appropriate position, the pressure plate 64 will drive the anti-slip strip 67 to squeeze the pipe, thereby tightly clamping the pipe to the surface of the connecting pipe 3, improving the stability of the pipe fitted on the surface of the connecting pipe 3. The anti-slip strip 67 will increase the friction between the pressure plate 64 and the pipe, thereby further improving the fixing effect of the pipe.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] 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 peristaltic fluid pump assembly comprising a peristaltic pump body (1), the surface of the peristaltic pump body (1) is mounted with a pump body (2), the surface of the pump body (2) is mounted with two connecting pipes (3), the surface of the peristaltic pump body (1) is mounted with a knob (4), the surface of the peristaltic pump body (1) is provided with a support structure (5), characterized in that: The support structure (5) includes a support plate (51) which is fixedly connected with the surface of the peristaltic pump body (1), the surface of the support plate (51) is rotatably penetrated by two rotating rods (52), one end of the rotating rod (52) close to the connecting pipe (3) is fixedly connected with an arc plate (53), the arc surface of the rotating rod (52) is fixedly connected with a limiting plate (54), the surface of the limiting plate (54) is slidably penetrated by a bolt (55), the surface of the support plate (51) is provided with a plurality of positioning holes (56), the size of the bolt (55) is matched with the size of the positioning hole (56). ​ 2. A peristaltic fluid pump assembly according to claim 1, wherein: The arc surface of the bolt (55) is sleeved with a spring (57), and the two ends of the spring (57) are fixedly connected with the bolt (55) and the limiting plate (54) respectively.

3. A peristaltic fluid pump assembly as defined in claim 1, wherein: One end of the rotating rod (52) away from the arc plate (53) is fixedly connected with a rotating disc (58), and the cross section of the rotating disc (58) is in the shape of "cross".

4. A peristaltic fluid pump assembly as defined in claim 1, wherein: The surface of the arc plate (53) is fixedly connected with two elastic bands (59).

5. A peristaltic fluid pump assembly as defined in claim 1, wherein: The surface of the pump body (2) is provided with a limiting structure (6), the limiting structure (6) includes a support (61), the surface of the support (61) is rotatably penetrated by a bidirectional screw rod (62), the surface of the bidirectional screw rod (62) is threadedly connected with four driving plates (63), two of the four driving plates (63) are threadedly connected on the two sides of the support (61) respectively, and the surface of the driving plate (63) is fixedly connected with a pressing plate (64).

6. A peristaltic fluid pump assembly according to claim 5, wherein: One side of the driving plate (63) is fixedly connected with a guide plate (65), the two sides of the support (61) are fixedly connected with guide rods (66), and the guide rods (66) penetrate the guide plate (65).

7. A peristaltic fluid pump assembly as defined in claim 5, wherein: The side of the pressing plate (64) close to the connecting pipe (3) is fixedly connected with a plurality of anti-skid strips (67), and the anti-skid strips (67) are made of rubber.