CN215949786U

CN215949786U - Peristaltic pump with noise reduction structure

Info

Publication number: CN215949786U
Application number: CN202121972899.5U
Authority: CN
Inventors: 巩立坤
Original assignee: Kamoer Fluid Technology Shanghai Co Ltd
Current assignee: Kamoer Fluid Technology Shanghai Co Ltd
Priority date: 2021-08-22
Filing date: 2021-08-22
Publication date: 2022-03-04
Anticipated expiration: 2031-08-22

Abstract

The utility model discloses a peristaltic pump with a noise reduction structure, which comprises a pump shell and a motor, wherein the motor is arranged on the side part of the pump shell, the output end of the motor is provided with a transmission shaft, the transmission shaft extends into the pump shell, the outer side of the transmission shaft is provided with a bearing matched with the pump shell, the middle part of the transmission shaft is provided with a positioning pin in a sliding manner, the side part of the bearing is provided with a spring, the other end of the spring is connected with the positioning pin, the outer side of the transmission shaft is provided with a synchronizing disc, and the side part of the synchronizing disc is provided with a plurality of rollers. According to the utility model, the transmission shaft is driven to rotate by the operation of the motor, so that the synchronous disc and the roller wheel are driven to rotate, the roller wheel is utilized to extrude the pump pipe in the pump shell, the transmission of fluid is realized, and when the roller wheel moves, the axial diameter movement of the synchronous disc can be improved and the gap can be adapted through the deformation of the spring, so that the movement of the roller wheel is improved, and the noise reduction effect is achieved.

Description

Peristaltic pump with noise reduction structure

Technical Field

The utility model relates to the technical field of peristaltic pumps, in particular to a peristaltic pump with a noise reduction structure.

Background

Peristaltic pumps act like a finger pinching a fluid filled hose (pump tube) and move forward as the finger slides forward the fluid in the tube. Peristaltic pumps are also the principle only replacing the fingers with rollers. The fluid is pumped by alternately squeezing and releasing the elastic delivery hose of the pump. Just like squeezing the hose with two fingers, as the fingers move, negative pressure is formed in the hose, and the liquid flows along with the negative pressure.

Current peristaltic pump generally is through the rotation of motor direct drive gyro wheel, realizes the extrusion to elasticity delivery hose, realizes the transport to the fluid, but, present peristaltic pump is in the use, can make the gyro wheel produce partly float (its installation itself has certain clearance), increase vibrations and noise, influence the use.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a peristaltic pump with a noise reduction structure, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a peristaltic pump with structure of making an uproar falls, includes pump case and motor, the motor install in the lateral part of pump case, the transmission shaft is installed to the output of motor, the transmission shaft stretches into the inside of pump case, the outside of transmission shaft install with pump case complex bearing, the middle part slidable mounting of transmission shaft has the locating pin, the spring is installed to the lateral part of bearing, the other end of spring with the locating pin links to each other, the synchronization disc is installed in the outside of transmission shaft, a plurality of gyro wheels are installed to the lateral part of synchronization disc.

In one embodiment of the present invention, the pump housing includes a first housing and a second housing, the first housing and the second housing are connected by a bolt, and the motor is mounted to a side portion of the second housing.

In an embodiment of the present invention, a liquid inlet pipe and a liquid outlet pipe are connected to a side portion of the first housing, and the liquid inlet pipe and the liquid outlet pipe are symmetrically arranged with respect to the first housing.

In an embodiment of the utility model, a side portion of the transmission shaft is provided with a slot hole matched with the positioning pin, and an inner wall of the slot hole and an outer wall of the positioning pin are provided with smooth surfaces.

In one embodiment of the present invention, the spring housing is disposed outside the dowel pin adjacent to the slot.

In one embodiment of the utility model, a plurality of the rollers are arranged in an annular array with respect to the center of the synchronization disc.

In summary, due to the adoption of the technology, the utility model has the beneficial effects that:

according to the utility model, the transmission shaft is driven to rotate by the operation of the motor, so that the synchronous disc and the roller wheel are driven to rotate, the roller wheel is utilized to extrude the pump pipe in the pump shell, the transmission of fluid is realized, and when the roller wheel moves, the axial diameter movement and the adaptive clearance of the synchronous disc can be improved by the deformation of the spring, so that the movement of the roller wheel is improved, and the noise reduction effect is achieved.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

FIG. 2 is a schematic view of a motor according to the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 3 according to the present invention.

In the figure: 1. a pump housing; 11. a first housing; 111. a liquid inlet pipe; 112. a liquid discharge pipe; 12. a second housing; 2. a motor; 3. a drive shaft; 31. a slot; 4. a bearing; 5. positioning pins; 6. a spring; 7. a synchronization disc; 8. and a roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art from the specification.

Example 1

Referring to fig. 1-5, the present invention provides a peristaltic pump with a noise reduction structure, which includes a pump housing 1 and a motor 2, wherein the motor 2 is installed at a side portion of the pump housing 1, a transmission shaft 3 is installed at an output end of the motor 2, the transmission shaft 3 extends into the pump housing 1, a bearing 4 matched with the pump housing 1 is installed at an outer side of the transmission shaft 3, a positioning pin 5 is installed at a middle portion of the transmission shaft 3 in a sliding manner, and when the peristaltic pump is specifically set, in order to facilitate the sliding of the positioning pin 5 and reduce the sliding friction force, the side part of the transmission shaft 3 is provided with a groove hole 31 matched with the positioning pin 5, the inner wall of the groove hole 31 and the outer wall of the positioning pin 5 are smooth surfaces, the side part of the bearing 4 is provided with a spring 6, the spring 6 is connected with the bearing 4 and is convenient for synchronous rotation, the other end of the spring 6 is connected with the positioning pin 5, and during the specific arrangement, the spring 6 is sleeved on the outer side of the positioning pin 5, which is adjacent to the groove hole 31; the outside of transmission shaft 3 is installed synchronization disc 7, and a plurality of gyro wheels 8 are installed to the lateral part of synchronization disc 7, and during specific setting, a plurality of gyro wheels 8 are the annular array setting for synchronization disc 7's center, in order to ensure follow-up good extrusion to the pump line (not shown) for fluid transport is smooth.

In this embodiment, the pump housing 1 includes a first housing 11 and a second housing 12, the first housing 11 is connected to the second housing 12 by bolts, the motor 2 is mounted on a side portion of the second housing 12 by bolts, when the pump housing is specifically configured, the side portion of the first housing 11 is connected to a liquid inlet pipe 111 and a liquid outlet pipe 112, the liquid inlet pipe 111 and the liquid outlet pipe 112 are symmetrically configured with respect to the first housing 11, and it should be noted that, for convenience of liquid inlet and liquid outlet, two ends of a pump pipe (not shown) are respectively connected to the liquid inlet pipe 111 and the liquid outlet pipe 112.

The working principle is as follows: during the use, the operation through motor 2 drives transmission shaft 3 and rotates, and then drives synchronizing disc 7 and gyro wheel 8 and rotate, utilizes the pump line of gyro wheel 8 extrusion pump case 1 in, realizes fluidic transmission, when taking place the gyro wheel and taking place the drunkenness, through the deformation that spring 6 takes place, can be used to improve 7 shaft diameter drunkenness of synchronizing disc, the adaptation clearance, and then improve gyro wheel 8 and take place the drunkenness to play the effect of making an uproar.

It should be noted that: the model specification of the motor 2 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the motor 2 and its principle will be clear to the person skilled in the art and will not be described in detail here.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a peristaltic pump with structure of making an uproar falls, includes pump case (1) and motor (2), its characterized in that, motor (2) install in the lateral part of pump case (1), transmission shaft (3) are installed to the output of motor (2), transmission shaft (3) stretch into the inside of pump case (1), the outside of transmission shaft (3) install with pump case (1) complex bearing (4), the middle part slidable mounting of transmission shaft (3) has locating pin (5), spring (6) are installed to the lateral part of bearing (4), the other end of spring (6) with locating pin (5) link to each other, synchronization disc (7) are installed in the outside of transmission shaft (3), a plurality of gyro wheels (8) are installed to the lateral part of synchronization disc (7).

2. A peristaltic pump with a noise reducing structure as set forth in claim 1, wherein: the pump shell (1) comprises a first shell (11) and a second shell (12), the first shell (11) is connected with the second shell (12) through bolts, and the motor (2) is installed on the side portion of the second shell (12).

3. A peristaltic pump with a noise reducing structure as set forth in claim 2, wherein: the side part of the first shell (11) is connected with a liquid inlet pipe (111) and a liquid outlet pipe (112), and the liquid inlet pipe (111) and the liquid outlet pipe (112) are symmetrically arranged relative to the first shell (11).

4. A peristaltic pump with a noise reducing structure as set forth in claim 1, wherein: the side part of the transmission shaft (3) is provided with a slotted hole (31) matched with the positioning pin (5), and the inner wall of the slotted hole (31) and the outer wall of the positioning pin (5) are smooth surfaces.

5. A peristaltic pump with a noise reducing structure as set forth in claim 4, wherein: the spring (6) is sleeved on the outer side of the positioning pin (5) close to the slotted hole (31).

6. A peristaltic pump with a noise reducing structure as set forth in claim 1, wherein: the rollers (8) are arranged in an annular array relative to the center of the synchronous disc (7).