CN210106130U

CN210106130U - Peristaltic pump with rotary clamping device

Info

Publication number: CN210106130U
Application number: CN201922050676.2U
Authority: CN
Inventors: 蒋晓伟
Original assignee: Wuxi Tianli Fluid Technology Co Ltd
Current assignee: Wuxi Tianli Fluid Technology Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-02-21
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a peristaltic pump with a rotary clamping device, wherein a hose clamp is arranged on the outer shell of the peristaltic pump; the hose clamp comprises a fixed extrusion part and a movable extrusion block which are matched with a clamping hose, the movable extrusion block comprises a left rotating block and a right rotating block which are symmetrically arranged, the left rotating block and the right rotating block are respectively provided with an adjacent to-be-positioned plane and a clamping cambered surface, and a roller is arranged at the adjacent junction of the to-be-positioned plane and the clamping cambered surface; a rotary connecting rod is led out from the axis in the middle of the fixed extrusion part shell and is in rotary connection with the roller; the outer shell is provided with a movable track; the roller rotates around the axis and moves downwards to drive the movable extrusion block to rotate and move downwards along the movable track, and the opposite surfaces of the movable extrusion block and the fixed extrusion part are changed into clamping cambered surfaces from the to-be-positioned planes to be matched with the clamping hoses. The utility model discloses can be the straight line form and place the hose, convenient operation, and be difficult for drawing the damage hose, the life of extension hose.

Description

Peristaltic pump with rotary clamping device

Technical Field

The utility model relates to a peristaltic pump technical field especially relates to a peristaltic pump with rotary clamping device.

Background

The peristaltic pump is also called a hose pump and mainly comprises a driver, a hose and a pump head. Peristaltic pumps deliver fluid by alternately squeezing and releasing an elastic delivery hose with a pump head. Compared with the traditional pump, the peristaltic pump has the advantages of no pollution, high precision, good sealing performance, simple maintenance and the like.

At present common peristaltic pump mostly needs to put into the notch of hose clamp after the hose is crooked, and the dress is adorned and is used inconveniently, and at the in-process of changing the hose, the hose is scratched easily, influences hose life.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a peristaltic pump with rotary clamping device can be the linearity and place the hose, convenient operation, and is difficult for drawing the life who decreases the hose, extension hose.

The technical scheme is as follows: in order to achieve the purpose, the peristaltic pump with the rotary clamping device comprises a pump head and an outer shell, wherein a hose clamp is arranged on the outer shell at a position corresponding to the pump head; the hose clamp comprises a fixed extrusion part and a movable extrusion block which are clamped in a matched mode, the movable extrusion block comprises a left rotating block and a right rotating block which are symmetrically arranged, the left rotating block and the right rotating block are provided with adjacent to-be-positioned planes and clamping arc surfaces, and idler wheels are arranged at adjacent junctions of the to-be-positioned planes and the clamping arc surfaces; a rotary connecting rod is led out from the axis in the middle of the fixed extrusion part shell and is in rotary connection with the roller; the outer shell is provided with a movable track; the roller rotates around the axis and moves downwards to drive the movable extrusion block to move downwards along the movable track in a rotating mode, and the opposite surfaces of the movable extrusion block and the fixed extrusion part are changed into clamping cambered surfaces from waiting planes to be clamped and are matched with clamping hoses.

Furthermore, a clamping surface is arranged on the movable extrusion block, and a pressing spring plate is arranged between the movable extrusion block and the outer shell; when the hose is clamped, the pressing spring plate is popped out and is matched with the clamping surface for clamping.

Furthermore, the pressing spring plate and the clamping surface are provided with a protrusion and a groove which are correspondingly matched.

Furthermore, the opposite sides of the two rotating connecting rods are inner sides, and the opposite sides are outer sides; and a reset torsion spring is arranged between the outer side of the rotating connecting rod and the fixed extrusion part.

Furthermore, the inner side of the rotating connecting rod is provided with a thumb-shaped pressing groove.

Furthermore, when the hose is clamped, the opposite surfaces of the left rotating block and the right rotating block are clamping surfaces, the two clamping surfaces are correspondingly attached, and correspondingly matched bulges and grooves are arranged on the two clamping surfaces.

Has the advantages that: the peristaltic pump with the rotary clamping device has the advantages that in the initial state, the opposite surfaces of the movable extrusion block and the fixed extrusion part are the planes to be positioned, so that the hose can be linearly placed between the movable extrusion block and the fixed extrusion part, the operation is convenient, and the hose is not easily scratched;

the utility model fixes the motion track of the movable extrusion block by arranging the movable track and the rotary connecting rod, so that in the process of rotating and moving down the roller around the axis, the opposite surfaces of the movable extrusion block and the fixed extrusion part are converted into clamping cambered surfaces from the waiting bit planes, and further matched with the clamping hoses;

a pressing spring plate is arranged between the movable extrusion block and the outer shell, and in the process that the movable extrusion block rotates and moves downwards, the pressing spring plate pops out and clamps the movable extrusion block, so that the movable extrusion block can stably clamp the hose, and after the pressing spring plate is pressed downwards, the clamping of the movable extrusion block is released, and the hose is convenient to take out;

the movable extrusion block can be naturally reset to the state that the position plane to be treated of the movable extrusion block is opposite to the fixed extrusion part by the arrangement of the reset torsion spring, and the hose can be conveniently placed in a linear mode next time.

Drawings

FIG. 1 is a schematic plan view of the initial state of the present invention;

FIG. 2 is a schematic plane view of the clamping state of the present invention;

FIG. 3 is a three-dimensional schematic diagram of the initial state of the present invention;

figure 4 is the three-dimensional schematic diagram of the clamping state of the utility model.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The peristaltic pump with the rotary clamping device shown in fig. 1 to 4 comprises a pump head and an outer shell 2, wherein a hose clamp 3 is arranged on the outer shell 2 corresponding to the pump head; the hose clamp 3 comprises a fixed extrusion part 4 and a movable extrusion block 5 which are clamped in a matching way, the fixed extrusion part 4 is positioned below the movable extrusion block 5, and a pump head is positioned inside the fixed extrusion part 4; the movable extrusion block 5 comprises a left rotating block 6 and a right rotating block 7 which are symmetrically arranged, the left rotating block 6 and the right rotating block 7 are respectively provided with an adjacent to-be-positioned plane 8 and a clamping arc surface 9, and a roller 10 is arranged at the adjacent junction of the to-be-positioned plane 8 and the clamping arc surface 9; a rotary connecting rod 11 is led out from an axle center 24 in the middle of the shell of the fixed extrusion part 4 and is in rotary connection with the roller 12, so that the roller 12 can rotate around the axle center 24 through the connecting rod 11 and simultaneously drive the left rotating block 6 and the right rotating block 7 to turn over; the shell body 2 is provided with a movable track 13, the left rotating block 6 and the right rotating block 7 are provided with corresponding sliding parts, and the sliding parts are matched with the movable track 13, so that the left rotating block 6 and the right rotating block 7 can move along the movable track 13.

Before not putting into the hose, activity extrusion piece 5 with the relative face of fixed extrusion portion 4 is for treating bit plane 8, and the bit plane 8 of treating of levogyration turning block 6 and dextrorotation piece 7 all is located same horizontal plane, makes things convenient for operating personnel to be the linear hose of placing, has saved the step of original crooked hose, and it is more convenient to operate, and the hose is also difficult to hose anchor clamps 5 touching simultaneously and scratches the damage. Then the roller 12 rotates around the shaft center 24 and moves downwards to drive the movable extrusion block 5 to rotate and move downwards along the movable track 13, and the roller 12 always contacts and slides with the surface of the hose in the downward moving process, so that the hose is not easy to scratch; the opposite surfaces of the movable extrusion block 5 and the fixed extrusion part 4 are changed into clamping arc surfaces 9 from a waiting position plane 8, and the clamping arc surfaces 9 are matched with the fixed clamping part 4 to clamp the hose.

A clamping surface 15 is arranged on the movable extrusion block 5, and a pressing spring plate 14 is arranged between the movable extrusion block 5 and the outer shell 2; the pressing spring plate 14 is positioned in a groove formed in the outer shell 2, and in an initial state, the movable extrusion block 5 abuts against the groove opening where the pressing spring plate 14 is positioned, so that the pressing spring plate 14 cannot be ejected; when a hose is clamped, the movable extrusion block 5 does not abut against the notch where the pressing spring plate 14 is located due to downward movement, the pressing spring plate 14 is ejected out and is matched with the clamping surface 15 for clamping, the movable extrusion block 5 is prevented from moving upwards due to the reaction force of the hose, and the clamping state of the hose clamp 5 is maintained; when the hose is taken out, the pressing spring plate 14 is only required to be pressed downwards, and the movable pressing block 5 can rebound and move upwards due to the elastic reaction force.

The pressing spring plate 14 and the clamping surface 15 are provided with a bulge and a groove which are correspondingly matched; the pressing spring plate 14 and the clamping surface 15 are prevented from relative displacement, and the stability of the hose clamp 5 in a clamping state is improved.

The opposite sides of the two rotating connecting rods 11 are inner sides, and the opposite sides are outer sides; a reset torsion spring 22 is arranged between the outer side of the rotating connecting rod 11 and the fixed extrusion part 4, and the arrangement of the reset torsion spring 22 enables the two rotating connecting rods 11 to have a tendency of approaching each other; when the pressing spring plate 14 is pressed, the roller 12 moves up under the action of the reset torsion spring 22, and the hose clamp 5 is driven to reset from the clamping state to the initial state. .

The inner side of the rotary connecting rod 11 is provided with a thumb-shaped pressing groove 23, so that an operator can conveniently press the rotary connecting rod 11 downwards from the pressing groove 23, the roller 12 moves downwards, and the hose clamp 5 is changed into a clamping state.

When clamping the hose, the opposite surfaces of the left rotating block 6 and the right rotating block 7 are clamping surfaces 20, two clamping surfaces 20 are correspondingly attached, and the two clamping surfaces 20 are provided with corresponding matched bulges and grooves, and the stability of the whole hose clamp 5 in the clamping state can be improved by mutually clamping the two clamping surfaces 20.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A peristaltic pump with rotary clamping device which characterized in that: the device comprises a pump head and an outer shell (2), wherein a hose clamp (3) is arranged on the outer shell (2) corresponding to the pump head; the hose clamp (3) comprises a fixed extrusion part (4) and a movable extrusion block (5) which are clamped in a matched mode, the movable extrusion block (5) comprises a left rotating block (6) and a right rotating block (7) which are symmetrically arranged, the left rotating block (6) and the right rotating block (7) are respectively provided with an adjacent to-be-positioned plane (8) and a clamping arc surface (9), and a roller (12) is arranged at the adjacent junction of the to-be-positioned plane (8) and the clamping arc surface (9); a rotary connecting rod (11) is led out from an axis (24) in the middle of the shell of the fixed extrusion part (4) and is in rotary connection with the roller (12); a movable track (13) is arranged on the outer shell (2); the roller (12) rotates around the axis (24) and moves downwards to drive the movable extrusion block (5) to move downwards along the movable track (13) in a rotating mode, and the opposite surfaces of the movable extrusion block (5) and the fixed extrusion part (4) are changed into clamping arc surfaces (9) from waiting for the position plane (8) to be matched with a clamping hose.

2. A peristaltic pump with rotary clamping means, as claimed in claim 1, wherein: a clamping surface (15) is arranged on the movable extrusion block (5), and a pressing spring plate (14) is arranged between the movable extrusion block (5) and the outer shell (2); when the hose is clamped, the pressing spring plate (14) is ejected out and is matched with the clamping surface (15) for clamping.

3. A peristaltic pump with rotary clamping means, as claimed in claim 2, wherein: the pressing spring plate (14) and the clamping surface (15) are provided with protrusions and grooves which are correspondingly matched.

4. A peristaltic pump with rotary clamping means, as claimed in claim 1, wherein: the opposite sides of the two rotating connecting rods (11) are inner sides, and the opposite sides are outer sides; and a reset torsion spring (22) is arranged between the outer side of the rotating connecting rod (11) and the fixed extrusion part (4).

5. Peristaltic pump with rotary clamping device, according to claim 4, characterized in that: the inner side of the rotating connecting rod (11) is provided with a thumb-shaped pressing groove (23).

6. A peristaltic pump with rotary clamping means, as claimed in claim 1, wherein: when the hose is clamped, the opposite surfaces of the left rotating block (6) and the right rotating block (7) are clamping surfaces (20), the two clamping surfaces (20) are correspondingly attached, and the two clamping surfaces (20) are provided with protrusions and grooves which are correspondingly matched.