CN213808024U

CN213808024U - Multichannel gland peristaltic pump

Info

Publication number: CN213808024U
Application number: CN202022910897.5U
Authority: CN
Inventors: 邓家祥
Original assignee: Maxtor Dimensional Precision Instrument Manufacturing Co ltd Of Hebei
Current assignee: Maxtor Dimensional Precision Instrument Manufacturing Co ltd Of Hebei
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-27
Anticipated expiration: 2030-12-08

Abstract

The application provides a multi-channel gland peristaltic pump which comprises a pump body and a driver arranged below the pump body, wherein a rotary roller assembly and a conveying pipe assembly are arranged in the pump body, the driver drives the rotary roller assembly to rotate, the rotary roller assembly rolls the lower surface of the conveying pipe assembly, an elastic control assembly is arranged in the pump body and corresponds to the upper part of the conveying pipe assembly, and the elastic control assembly abuts against the upper surface of the conveying pipe assembly; the conveying pipe assembly comprises a plurality of hoses arranged in parallel, the elastic control assembly comprises a plurality of elastic pressing blocks, the elastic pressing blocks correspond to the hoses one by one, the elastic control assembly further comprises a pressure spring which corresponds to the elastic pressing blocks, and the pressure spring is pressed on the upper surface of the elastic pressing blocks. The beneficial effect of this application is: the independent elastic pressing block is arranged at the position of each hose channel, and the elastic pressing block can elastically lift and move in the pump body according to the pressure in each hose, so that the stability of the flow of the fluid conveyed in each hose channel is ensured, and the flow of the fluid conveyed by the pump body is conveniently and accurately controlled subsequently.

Description

Multichannel gland peristaltic pump

Technical Field

The disclosure relates to the technical field of peristaltic pumps, in particular to a multichannel gland peristaltic pump.

Background

The precision gland peristaltic pump is suitable for industries such as laboratory sewage treatment, pharmaceutical industry, medical equipment, food industry, scientific research field and the like. Just like squeezing a hose full of fluid with a hand, the peristaltic pump utilizes the principle that the finger is replaced by a roller simply as the fluid moves forward as the finger slides forward. The fluid is pumped by alternately squeezing and releasing the flexible hose of the pump, creating a negative pressure within the tube, where the fluid moves. At present, the elastic pressing block of crimping at the hose upper surface that multichannel gland peristaltic pump adopted is the integral type structure for many hoses are spacing between monoblock elastic pressing block and rotating roller subassembly, and monoblock elastic pressing block carries out the extrusion downwards to each hose, and the shortcoming of this structure is that can not independent accurate control every hose passageway fluid delivery's flow, can not realize independent control and cause the error of fluid delivery and the unstability of pump body fluid delivery.

Disclosure of Invention

The object of the present application is to address the above problems, providing a multi-channel gland peristaltic pump.

In a first aspect, the application provides a multi-channel gland peristaltic pump, which comprises a pump body and a driver arranged below the pump body, wherein a rotary roller assembly and a conveying pipe assembly are arranged in the pump body, the driver drives the rotary roller assembly to rotate, the conveying pipe assembly is arranged above the rotary roller assembly, the rotary roller assembly rolls and presses the lower surface of the conveying pipe assembly, an elastic control assembly is arranged in the pump body and corresponds to the upper part of the conveying pipe assembly, and the elastic control assembly abuts against the upper surface of the conveying pipe assembly; the conveyer pipe subassembly includes a plurality of parallel arrangement's hose, the elasticity control assembly includes a plurality of elastic pressing block, elastic pressing block and hose one-to-one set up, the elasticity control assembly still includes the pressure spring that sets up with the elastic pressing block one-to-one, the pressure spring crimping is at the upper surface of the elastic pressing block that corresponds.

According to the technical scheme provided by the embodiment of the application, the conveying pipe assembly comprises 12 hoses, and the elastic control assembly comprises 12 elastic pressing blocks; the length extension direction of the hose is parallel to the length extension direction of the elastic pressing block, and the elastic pressing block is elastically pressed on the upper surface of the hose.

According to the technical scheme provided by the embodiment of the application, the rotating roller assembly comprises a rotatable central shaft and 12 rotatable rotating rollers connected to the periphery of the central shaft in a circle; the length extending direction of the rotating roller is perpendicular to the length extending direction of the hose.

According to the technical scheme that this application embodiment provided, it sets up the mounting groove to correspond the elasticity control assembly in the pump body, the elastic pressing block is installed in the mounting groove, the side contact laminating of adjacent elastic pressing block in the mounting groove.

According to the technical scheme provided by the embodiment of the application, the elastic pressing block is made of PEEK materials.

The invention has the beneficial effects that: the application provides a multichannel gland peristaltic pump sets up independent elastic pressing block in every hose passageway position for the hose is between elastic pressing block and rotating roller subassembly, through rotating roller subassembly's rotation and elastic pressing block's extrusion, makes the fluid in the hose remove in the hose, realizes fluidic transmission. The elastic pressing blocks and the hoses are arranged in a one-to-one correspondence mode, the elastic pressing blocks can be elastically lifted and moved in the pump body according to the pressure in each hose, and therefore the stability of the flow of the fluid conveyed in each hose channel is guaranteed, and the flow of the fluid conveyed by the pump body can be conveniently and accurately controlled subsequently.

Drawings

FIG. 1 is a schematic front view of a first embodiment of the present application;

FIG. 2 is a schematic side view of the first embodiment of the present application;

the text labels in the figures are represented as: 100. a pump body; 110. a rotating roll assembly; 111. a central shaft; 112. a rotating roller; 120. a delivery tube assembly; 121. a hose; 131. elastic pressing blocks; 132. a pressure spring; 140. mounting grooves; 200. a driver.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, and the description of the present section is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1 and fig. 2, which are schematic diagrams of a first embodiment of the present application, the multi-channel gland peristaltic pump includes a pump body 100 and a driver 200 disposed below the pump body 100, a rotary roller assembly 110 and a delivery tube assembly 120 are disposed in the pump body 100, the driver 200 drives the rotary roller assembly 110 to rotate, the delivery tube assembly 120 is disposed above the rotary roller assembly 110, the rotary roller assembly 110 rolls a lower surface of the delivery tube assembly 120, and an elastic control assembly is disposed in the pump body 100 above the delivery tube assembly 120 and abuts against an upper surface of the delivery tube assembly 120.

The conveying pipe assembly 120 is limited between the rotating roller assembly 110 and the elastic control assembly, and is pressed by the rotating roller assembly 110 and the elastic control assembly, so that the fluid in the conveying pipe assembly 120 flows, and the conveying of the fluid is realized.

The conveying pipe assembly 120 comprises a plurality of hoses 121 arranged in parallel, the elastic control assembly comprises a plurality of elastic pressing blocks 131, the elastic pressing blocks 131 are arranged in a one-to-one correspondence with the hoses 121, the elastic control assembly further comprises compression springs 132 arranged in a one-to-one correspondence with the elastic pressing blocks 131, and the compression springs 132 are pressed on the upper surfaces of the corresponding elastic pressing blocks 131.

In this embodiment, the conveying pipe assembly 120 includes a plurality of hoses 121 that are conveyed in parallel, an elastic pressing block 131 is correspondingly disposed above each hose 121, independent control over each hose 121 is achieved, each hose 121 is squeezed between the rotating roller assembly 110 and the single elastic pressing block 131, the elastic pressing block 131 is respectively disposed corresponding to each hose 121 in the multi-channel peristaltic pump structure, the elastic pressing block 131 can be elastically lifted and lowered in the pump body 100 according to pressure in each hose 121, and therefore stability of flow rate of fluid conveyed in each hose 121 channel is guaranteed, and flow rate of fluid conveyed by the pump body 100 through an electromagnetic valve, a flowmeter and the like can be accurately controlled subsequently.

In a preferred embodiment, the duct assembly 120 comprises 12 hoses 121, and the elastic control assembly comprises 12 elastic pressing blocks 131; the length extension direction of the hose 121 is parallel to the length extension direction of the elastic pressing piece 131, and the elastic pressing piece 131 is elastically pressed on the upper surface of the hose 121.

In this embodiment, the elastic pressing blocks 131 are disposed in one-to-one correspondence with the hoses 121, the elastic pressing blocks 131 are disposed above the hoses 121, and the surface of the elastic pressing blocks 131 is in pressure contact with the surface of the hoses 121, because a limiting gland is disposed in the pump body 100 above the elastic pressing blocks 131, in order to ensure that the elastic pressing blocks 131 elastically move in a recoverable manner below the gland, a pressure spring 132 is disposed between the elastic pressing blocks 131 and the gland, when the rotating roller assembly 110 below the hoses 121 presses the hoses 121 upwards, the hoses 121 transmit an upward pressing force to the elastic pressing blocks 131, so that the elastic pressing blocks 131 move upwards, and at the same time, the pressure spring 132 connected to the elastic pressing blocks 131 is compressed and shortened, and when the pressing force of the rotating roller assembly 110 to the hoses 121 disappears, the elastic pressing blocks 131 move downwards to return to the original position under the elastic restoring force of the pressure spring 132.

Preferably, the elastic pressing block 131 is made of a PEEK material. In this embodiment, the elastic pressing block 131 is made of an elastic material to ensure the stability of the pump body 100 during operation.

In a preferred embodiment, the rotating roller assembly 110 includes a rotatable central shaft 111 and 12 rotatable rotating rollers 112 connected to the periphery of the central shaft 111; the length of the rotating roller 112 extends in a direction perpendicular to the length of the hose 121.

In the preferred embodiment, the rotation of the central shaft 111 drives the rotation rollers 112 to revolve around the central shaft 111, and each rotation roller 112 rotates while the rotation rollers 112 revolve, in the embodiment, one rotation roller 112 rotates to a position right below the conveying pipe assembly 120 at a time, so that the rotation rollers 112 simultaneously press each hose 121 in the conveying pipe assembly 120.

In a preferred embodiment, a mounting groove 140 is provided in the pump body 100 corresponding to the elastic control assembly, the elastic pressing block 131 is mounted in the mounting groove 140, and the side surfaces of the adjacent elastic pressing blocks 131 in the mounting groove 140 are in contact and fit with each other. In the preferred embodiment, the mounting groove 140 is used for mounting one side of each elastic pressing block 131, in the preferred embodiment, the elastic pressing block 131 is partially clamped in the mounting groove 140, the bottom end of the elastic pressing block 131 cannot be separated from the mounting groove 140 in the lifting and moving process of the elastic pressing block 131, the mounting groove 140 facilitates the mounting of the elastic pressing block 131 in the pump body 100, and meanwhile, the elastic pressing block 131 is limited. In the preferred embodiment, adjacent spring blocks 131 are attached to each other on their side surfaces and operate independently of each other.

The principles and embodiments of the present application are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present application, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the invention.

Claims

1. The multi-channel gland peristaltic pump is characterized in that an elastic control assembly is arranged in the pump body and corresponds to the upper part of the conveying pipe assembly, and the elastic control assembly abuts against the upper surface of the conveying pipe assembly;

the conveyer pipe subassembly includes a plurality of parallel arrangement's hose, the elasticity control assembly includes a plurality of elastic pressing block, elastic pressing block and hose one-to-one set up, the elasticity control assembly still includes the pressure spring that sets up with the elastic pressing block one-to-one, the pressure spring crimping is at the upper surface of the elastic pressing block that corresponds.

2. The multi-channel gland peristaltic pump of claim 1, wherein the delivery tube assembly includes 12 flexible tubes, the resilient control assembly including 12 resilient press blocks; the length extension direction of the hose is parallel to the length extension direction of the elastic pressing block, and the elastic pressing block is elastically pressed on the upper surface of the hose.

3. A multi-channel gland peristaltic pump according to claim 2, wherein the rotating roller assembly comprises a rotatable central shaft and 12 rotatable rollers connected around the periphery of the central shaft; the length extending direction of the rotating roller is perpendicular to the length extending direction of the hose.

4. The multi-channel gland peristaltic pump according to claim 1, wherein an installation groove is formed in the pump body corresponding to the elastic control assembly, the elastic pressing block is installed in the installation groove, and the side faces of adjacent elastic pressing blocks in the installation groove are in contact fit with each other.

5. A multi-channel gland peristaltic pump according to any one of claims 1 to 4, wherein the resilient compression block is of PEEK material.