Peristaltic pump capable of preventing pipe reeling

Abstract

The utility model discloses a peristaltic pump capable of preventing pipe reeling, and relates to the technical field of peristaltic pumps, the peristaltic pump comprises a peristaltic pump body, an upper cover and a pump pipe located in the upper cover, two joints are arranged on the upper cover, two ends of the pump pipe are respectively sleeved at one ends of the two joints, and the pump pipe is sleeved at the other end of the two joints. The other ends of the two joints are respectively sleeved with a liquid inlet hose and a liquid outlet hose; a buckle assembly is arranged on the upper cover; the clamping buckle assembly comprises a fixing device used for fixing the two ends of the pump pipe to the two connectors respectively, the fixing device comprises a rotating shaft connected with the upper cover through a bearing, the two ends of the rotating shaft are each provided with a two-way screw rod, and by additionally arranging the clamping buckle assembly, the parts, arranged on the connectors in a sleeving mode, of the pump pipe can be fixed tightly. Therefore, the condition that the pump pipe at the water outlet is stretched outwards all the time and is curled is avoided, and the service life is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of peristaltic pump technology, specifically a peristaltic pump for preventing tube roll-up. Background Technology

[0002] A peristaltic pump works like squeezing a fluid-filled tube with your fingers; as you slide your fingers forward, the fluid moves forward. A peristaltic pump operates on the same principle, but instead of fingers, rollers are used. Fluid is pumped by alternately squeezing and releasing the pump's elastic delivery tube. 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] The patent application CN218151349U discloses a small-volume, high-precision peristaltic pump. However, the pump hose lacks a fixed structure. In the prior art, the pump tube is not fixed in the pump body. During the test, the pump tube is squeezed and continuously moved towards the outlet, causing the pump tube at the outlet to be stretched outward. This can easily lead to coiling and shorten the service life. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a peristaltic pump for preventing tube roll-up, thus solving the problems existing in the prior art.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a peristaltic pump for preventing tube roll-up, comprising a peristaltic pump body, a top cover, and a pump tube located inside the top cover. The top cover is provided with two connectors, and the two ends of the pump tube are respectively sleeved on one end of the two connectors. The other ends of the two connectors are respectively sleeved with an inlet hose and an outlet hose.

[0006] The upper cover is provided with a buckle assembly;

[0007] The buckle assembly includes a fixing device for fixing both ends of the pump pipe to two connectors respectively. The fixing device includes a rotating shaft connected to the upper cover via a bearing. Both ends of the rotating shaft are provided with bidirectional screws. Fixing clips are screwed to both sides of the bidirectional screws, and anti-slip pads are provided on the fixing clips. The two sides of the pump pipe end are in contact with the anti-slip pads on both sides respectively. The inner sides of the upper cover are provided with slide rails that are slidably connected to the fixing clips. The rotating shaft is provided with a drive device for rotating the rotating shaft. The fixing clips at both ends are provided with reinforcement devices.

[0008] Preferably, the peristaltic pump body includes a bracket, on which a rotor and a planetary gear are mounted. The rotor contacts the pump pipe, and the planetary gear meshes with a base. A motor with screws is mounted on the base, and the output shaft of the motor is connected to a motor gear, which meshes with the planetary gear. A pressure plate is mounted on the base, and the base is connected to a top cover.

[0009] Preferably, the driving device includes a mounting plate disposed on the upper cover, a reduction motor disposed on the mounting plate, a driving bevel gear disposed on the output shaft of the reduction motor, and a driven bevel gear disposed on the rotating shaft meshing with the driving bevel gear.

[0010] Preferably, the reinforcement device includes a connecting rod, through which a reinforcement rod passes, and through a connecting plate, and the connecting plate is disposed on the upper cover, and a spring connects the reinforcement rod and the connecting rod.

[0011] Preferably, the connecting rods on both sides are connected to the fixing clips at both ends.

[0012] Preferably, the connecting rod extends laterally through the upper cover.

[0013] This invention provides a peristaltic pump to prevent tubing from curling. Compared with the prior art, it has the following advantages:

[0014] 1. This peristaltic pump with anti-tangle feature can secure the pump tube to the connector by adding a snap-fit ​​assembly, thereby preventing the pump tube at the outlet from stretching outwards and causing it to curl, thus extending its service life.

[0015] 2. The peristaltic pump for preventing pipe roll-up has a snap-fit ​​assembly consisting of a fixing device and a driving device, which can simultaneously and quickly fix both ends of the pump pipe. By setting a reinforcement device, the fixing device can also be fixed in case of accidental power failure of the geared motor on the driving device or during maintenance and repair, thus ensuring the fixation of the pump pipe. Attached Figure Description

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

[0017] Figure 2 This is a cross-sectional schematic diagram of the pump pipe of this utility model;

[0018] Figure 3 This is an exploded view of the overall structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the buckle assembly of this utility model.

[0020] In the diagram: 1. Top cover; 2. Connector; 3. Pump pipe; 4. Clip assembly; 41. Fixing device; 411. Rotating shaft; 412. Double-acting screw; 413. Fixing clip; 414. Anti-slip pad; 415. Slide rail; 42. Drive device; 421. Mounting plate; 422. Gear motor; 423. Driving bevel gear; 424. Driven bevel gear; 43. Reinforcing device; 431. Connecting rod; 432. Connecting plate; 433. Reinforcing rod; 434. Spring; 5. Bracket; 6. Rotor; 7. Planetary gear; 8. Base; 9. Motor gear; 10. Motor; 11. Pressure plate. 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. 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.

[0022] See Figures 1-4 This utility model provides the following two technical solutions:

[0023] First embodiment: A peristaltic pump for preventing tube roll-up, including a peristaltic pump body, a top cover 1 and a pump tube 3 located inside the top cover 1. Two connectors 2 are provided on the top cover 1. The two ends of the pump tube 3 are respectively connected to one end of the two connectors 2, and the other ends of the two connectors 2 are respectively connected to an inlet hose and an outlet hose.

[0024] The top cover 1 is provided with a buckle assembly 4;

[0025] The snap-fit ​​assembly 4 includes a fixing device 41 for fixing both ends of the pump tube 3 to the two connectors 2 respectively. The fixing device 41 includes a rotating shaft 411 connected to the upper cover 1 via bearings. Both ends of the rotating shaft 411 are provided with bidirectional screws 412. Fixing clips 413 are screwed onto both sides of the bidirectional screws 412, and anti-slip pads 414 are provided on the fixing clips 413. The two sides of the pump tube 3 end respectively contact the anti-slip pads 414. The anti-slip pads 414 improve friction and prevent excessive compression of the pump tube 3. The upper cover 1 has slide rails 415 on both sides inside, which are slidably connected to the fixing clips 413, for guiding the lateral movement of the fixing clips 413. During the test, the pump tube 3 connected only to the connector 2 was squeezed and continuously moved towards the outlet, causing the pump tube 3 at the outlet to be stretched outwards and prone to curling. After about 600 hours of use, the peristaltic pump would fail. Now, by fixing the pump tube 3 to the connector 2 with the fixing clip 413, the pump tube 3 is not stretched outwards continuously, so the effective service life has now reached 900 hours, which meets the current market requirements. In order to facilitate the rapid rotation of the rotating shaft 411, a drive device 42 is provided on the rotating shaft 411 to drive the rotating shaft 411 to rotate. In order to improve stability, a reinforcement device 43 is provided on the fixing clips 413 at both ends.

[0026] The peristaltic pump body includes a support 5, on which a rotor 6 and a planetary gear 7 are mounted. The rotor 6 contacts the pump tube 3, and the planetary gear 7 is meshed with the base 8. A motor 10 with screws is mounted on the base 8. The output shaft of the motor 10 is connected to a motor gear 9, which meshes with the planetary gear 7. A pressure plate 11 is mounted on the base 8, and the base 8 is connected to the top cover 1. The working principle is the same as that of a conventional peristaltic pump. The motor 10 provides kinetic energy, and the motor gear 9 drives the planetary gear 7 to rotate, which in turn drives the support 5 to rotate. This causes the rotor 6 to rotate and squeeze the pump tube 3. The pump tube 3 itself is elastic and generates a negative pressure inside the pump tube 3. Through the connector 2, the inlet hose generates a negative pressure to draw in fluid, and the outlet hose generates a positive pressure to discharge fluid, thus achieving delivery.

[0027] The drive unit 42 includes a mounting plate 421 mounted on the upper cover 1. A geared motor 422 powered and controlled by existing technology is mounted on the mounting plate 421. A drive bevel gear 423 is mounted on the output shaft of the geared motor 422. A driven bevel gear 424 is meshed on the drive bevel gear 423 and mounted on the rotating shaft 411. With the above structure, the rotating shaft 411 can be driven to rotate quickly to synchronously fix both sides of the pump pipe 3.

[0028] The reinforcement device includes a connecting rod 431, through which a reinforcement rod 433 passes. The reinforcement rod 433 passes through a connecting plate 432, which is mounted on the upper cover 1. A spring 434 connects the reinforcement rod 433 and the connecting rod 431. The connecting rods 431 on both sides are respectively connected to the fixing clips 413 at both ends. The reinforcement rod 433 is limited by the connecting plate 432, so that the connecting rod 431 is fixed to the fixing clips 413 at both ends. Thus, in the event of an accidental power failure of the reduction motor 422 or during maintenance and repair, the fixing device 41 can still be fixed to ensure the fixation of the pump pipe 3.

[0029] The second implementation differs from the first implementation in that the connecting rod 431 extends laterally through the upper cover 1, allowing the connecting rod 431 to move laterally along with the fixing clip 413.

[0030] Furthermore, all content not described in detail in this specification is existing technology known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited; conventional equipment can be used.

[0031] When in use, the drive device 42 operates, and then pulls up the two reinforcing rods 433 on both sides, causing the rotating shaft 411 to rotate and drive the bidirectional screws 412 at both ends to rotate synchronously. This causes the fixing clips 413 on both sides of the pump pipe 3 to clamp the pump pipe 3. At this time, the reinforcing rods 433 are released, causing the spring 434 to drive the reinforcing rods 433 to insert into the connecting plate 432, thereby reinforcing the fixing clips 413 and fixing the rotating shaft 411. Thus, the part of the pump pipe 3 that is sleeved on the connector 2 can be fixed by the fixing clips 413, thereby preventing the pump pipe 3 at the outlet from being stretched outward and curling up, thus extending the service life.

[0032] 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.

[0033] 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 pump for preventing tube roll-up, characterized in that: The pump includes a peristaltic pump body, a top cover (1) and a pump tube (3) located inside the top cover (1). The top cover (1) is provided with two connectors (2). The two ends of the pump tube (3) are respectively connected to one end of the two connectors (2), and the other ends of the two connectors (2) are respectively connected to an inlet hose and an outlet hose. The upper cover (1) is provided with a buckle assembly (4), which includes a fixing device (41) for fixing the two ends of the pump pipe (3) to the two connectors (2) respectively. The fixing device (41) includes a rotating shaft (411) connected to the upper cover (1) through a bearing. Both ends of the rotating shaft (411) are provided with a double-ended screw (412). Both sides of the double-ended screw (412) are screwed with fixing clips (413), and the fixing clips (413) are provided with anti-slip pads (414). The two sides of the end of the pump pipe (3) are in contact with the anti-slip pads (414) on both sides respectively. Both sides of the interior of the upper cover (1) are provided with slide rails (415) that are slidably connected to the fixing clips (413). The rotating shaft (411) is provided with a driving device (42) for driving the rotating shaft (411) to rotate. The fixing clips (413) at both ends are provided with reinforcing devices (43).

2. The peristaltic pump for preventing tube roll-up according to claim 1, characterized in that: The peristaltic pump body includes a bracket (5), on which a rotor (6) and a planetary gear (7) are mounted. The rotor (6) contacts the pump pipe (3), and the planetary gear (7) meshes with the base (8). A motor (10) with screws is mounted on the base (8). The output shaft of the motor (10) is connected to a motor gear (9), and the motor gear (9) meshes with the planetary gear (7). A pressure plate (11) is mounted on the base (8), and the base (8) is connected to the top cover (1).

3. A peristaltic pump for preventing tube roll-up according to claim 1, characterized in that: The drive device (42) includes a mounting plate (421) disposed on the upper cover (1), a reduction motor (422) disposed on the mounting plate (421), a drive bevel gear (423) disposed on the output shaft of the reduction motor (422), and a driven bevel gear (424) disposed on the rotating shaft (411) meshing with the drive bevel gear (423).

4. A peristaltic pump for preventing tube roll-up according to claim 1, characterized in that: The reinforcement device includes a connecting rod (431), through which a reinforcement rod (433) passes. The reinforcement rod (433) passes through a connecting plate (432), and the connecting plate (432) is mounted on the upper cover (1). A spring (434) connects the reinforcement rod (433) and the connecting rod (431).

5. A peristaltic pump for preventing tube roll-up according to claim 4, characterized in that: The connecting rods (431) on both sides are respectively connected to the fixing clips (413) at both ends.

6. A peristaltic pump for preventing tube roll-up according to claim 4, characterized in that: The connecting rod (431) extends laterally through the upper cover (1).

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