CN203285662U

CN203285662U - Protection device of peristaltic pump flexible pipe

Info

Publication number: CN203285662U
Application number: CN201320249067XU
Authority: CN
Inventors: 窦允; 窦若彬
Original assignee: TIANJIN XIEDA WEIYE ELECTRONIC CO Ltd
Current assignee: TIANJIN XIEDA WEIYE ELECTRONIC CO Ltd
Priority date: 2013-05-09
Filing date: 2013-05-09
Publication date: 2013-11-13
Anticipated expiration: 2023-05-09

Abstract

The utility model discloses a protection device of a peristaltic pump flexible pipe. Stand installation plates fixed on the two sides of a pump head base are symmetrically provided with reciprocating rotation components, and shaft sleeves of the reciprocating rotation components penetrate through unrestraint elastic flexible pipes on the two sides of a peristaltic pump rotor idler wheel assembly and are in interference fit with the unrestraint elastic flexible pipes respectively. A low-speed mini-type direct current motor and a through shaft which is driven by the direct current motor are supported inside the pump head base and/or a driver shell body, a transmission structure is arranged between the through shaft and the reciprocating rotation component on one side of the pump head base, a transmission structure is arranged between the through shaft and the reciprocating rotation component on the other side of the pump head base, the rotation angle of the reciprocating rotation components ranges from 60 degrees to 180 degrees, and the commutation cycle of reciprocation rotation ranges from 1 minute to 10 minutes. The flexible pipes slowly rotate 60-180 degrees alternately forward and reversely at the positions squeezed by idler wheels, the service life of the flexible pipe is obviously prolonged, and the protection device of the peristaltic pump flexible pipe has the outstanding advantages that the protection device is not related to a state of a pressing head of a pump head, using is convenient and the single motor driving synchronous effect is stable.

Description

The protective gear of peristaltic pump flexible pipe

Technical field

The utility model belongs to peristaltic pump, particularly relates to a kind of protective gear of peristaltic pump flexible pipe.

Background technique

The flexible pipe of peristaltic pump is the known in the industry fact because the extrusion abrasion distortion becomes easily damaged parts, and disassemble the medium circulation system and have again very complicated operating process for changing flexible pipe, therefore find and a kind ofly can extend the method in flexible pipe working life as far as possible and install significant.

The applicant discloses a kind of concentration of local with flexible pipe and has been subjected to roller to push the method that the surface of changing into one section of flexible pipe is pushed by roller on average in the application for a patent for invention " flexible hose of peristaltic pump guard method and protective gear thereof " of publication number CN102720668A, its particular content is: without the constraint elastic hose, being placed in respectively identical driven gear center hole and fixing rotor roller assembly both sides; The low speed DC micromotor of identical parameters drives respectively corresponding driving gear, and each driving gear is transmitted in corresponding driven gear, and each driven gear is done 180 ° and forward and reversely replaced synchronous rotating in same direction; Forward and reverse alternate rotation cycle of driven gear is 1-5min; Driven gear moves up and down with the peristaltic pump pressure head, and the driven gear and the driving gear that move upward are separated.Facts have proved, above-mentioned flexible hose of peristaltic pump guard method has the more significant positive role of effect for the wearing and tearing that delay flexible pipe.

Find the practical problem that technique scheme exists structure further to simplify by practice.

Summary of the invention

The utility model is that a kind of protective gear of peristaltic pump flexible pipe is provided for the technical problem that solves flexible pipe and become easily damaged parts because of abrasion deformation.

the utility model is to take for achieving the above object following technological scheme: a kind of protective gear of peristaltic pump flexible pipe, the pump head that comprises peristaltic pump, driver and low speed DC micromotor, feature is, the vertical mounting plate that is fixed in pump head pedestal both sides is arranged with the reciprocating rotation parts, the axle sleeve of each reciprocating rotation parts penetrates respectively nothing constraint flexible pipe and the interference fit of peristaltic pump rotor roller assembly both sides, described pump head pedestal and/or actuator housing are supported with an axis of a low speed DC micromotor and this DC Motor Drives thereof, be respectively equipped with drive mechanism between the reciprocating rotation parts of described axis and pump head pedestal both sides, described reciprocating rotation parts angle range is 60--180 °, the reciprocating rotation commutation cycle is 1-10min.

The monosymmetric reciprocating rotation parts of described pump head pedestal are driven gears, and pump head pedestal two side-stand type mounting plates are respectively equipped with the driving gear that is meshed with described driven gear, and described two driving gears are fixed in the axis of low speed DC micromotor transmission.

The monosymmetric reciprocating rotation parts of described pump head pedestal are the driven wheel discs with eccentric shaft, pump head pedestal two side-stand type mounting plates are respectively equipped with active with the eccentric shaft wheel disc corresponding with described driven wheel disc, initiatively the eccentric shaft of wheel disc and driven wheel disc is connected with connecting rod, and described two active wheel discs are fixed in the axis of low speed DC micromotor transmission.

The monosymmetric reciprocating rotation parts of described pump head pedestal are the driven wheel discs with eccentric shaft, be provided with active with the eccentric shaft wheel disc corresponding with described driven wheel disc respectively that is fixed in axis in actuator housing, initiatively the eccentric shaft of wheel disc and driven wheel disc is connected with connecting rod.

The monosymmetric reciprocating rotation parts of described pump head pedestal are the driven wheel discs with eccentric shaft, be provided with the axis of low speed DC micromotor institute transmission in actuator housing, described axis is the bent axle that is provided with a connecting rod neck, the main journal of bent axle is provided with a wheel disc of the active with eccentric shaft, connecting rod neck is identical with the eccentric shaft position of active wheel disc, connecting rod neck and initiatively wheel disc respectively with two driven wheel discs in one corresponding, connecting rod neck is with initiatively the eccentric shaft of wheel disc and the eccentric shaft of corresponding driven wheel disc are provided with the connecting rod that is coupling.

The monosymmetric reciprocating rotation parts of described pump head pedestal are driven synchronous pulleys, pump head pedestal two side-stand type mounting plates are respectively equipped with the active synchronization belt wheel corresponding with described driven synchronous pulley, the active synchronization belt wheel is provided with the ring-shaped synchronous belt that is transmitted in driven synchronous pulley, described vertical mounting plate is provided with the Idle wheel of ring-shaped synchronous belt, and described two active synchronization belt wheels are fixed in the axis of low speed DC micromotor transmission.

Described low speed DC micromotor output shaft is connected with worm screw, and this worm screw is meshed with the worm gear that is fixed on axis.

Described its fluted disc of reciprocating rotation parts that consists of driven gear is provided with axle sleeve the flexible pipe that is connected mutually and embeds gap.

Described its wheel disc of reciprocating rotation parts that consists of the driven wheel disc with eccentric shaft is provided with axle sleeve the flexible pipe that is connected mutually and embeds gap.

Described its wheel disc of reciprocating rotation parts that consists of driven synchronous pulley is provided with axle sleeve the flexible pipe that is connected mutually and embeds gap.

The beneficial effects of the utility model and advantage are: this protective gear can make flexible pipe be subjected to the position of roller extruding to do slowly forward and reverse alternate rotation of certain corner at it; therefore the surface that the concentration of local of flexible pipe in prior art is subjected to the roller extruding change into one section of flexible pipe on average is subjected to the roller extruding and can delays the wearing and tearing of flexible pipe, has obviously extended the working life of flexible pipe.According to the comparative experiment of many groups, the flexible pipe of identical material is in the situation that identical operating mode, the working life of adopting its flexible pipe of peristaltic pump of this protective gear be the contrast flexible pipe 8-10 doubly, the repeatability of peristaltic pump and stability also are able to obvious raising.This device uses a low speed DC micromotor to realize synchronously reciprocating rotation in the same way of symmetrical reciprocating rotation parts, have characteristics simple in structure, that synchronous effect is stable, especially the reciprocating rotation parts of this device and driving mechanism thereof are supported in the peristaltic pump pedestal and with peristaltic pump pressure head state, have nothing to do, and use convenient.The utlity model has the outstanding advantages of protection successful, applicable various uses and type peristaltic pump.

Description of drawings

Accompanying drawing l is embodiment's 1 structure partial generalized section.

Accompanying drawing 2 is Figure 1A section zoomed-in views.

Accompanying drawing 3 is that Fig. 2 A is to partial view.

Accompanying drawing 4 is embodiment's 2 drive mechanism schematic diagram.

Accompanying drawing 5 is embodiment's 3 drive mechanism schematic diagram.

Accompanying drawing 6 is embodiment's 4 structural representations.

Accompanying drawing 7 is that Fig. 6 A is to partial cross sectional views.

Accompanying drawing 8 is embodiment's 5 structure partial generalized sections.

Accompanying drawing 9 is driven gear example structure schematic diagram.

Accompanying drawing 10 is the driven wheel disc example structure schematic diagram with eccentric shaft.

Accompanying drawing 11 is driven synchronous pulley example structure schematic diagram.

number in the figure: 1 pressure head, 2 pedestals, 3 flexible pipes, 4 vertical mounting plates, the 4-1 mounting hole, 5 driven gears, the 5-1 circlip for shaft, the 5-2 flexible pipe embeds gap, 6 driving gears, the 6-1 Cock screw, 7 axises, the 7-1 connecting rod neck, 8 worm screw mounting plates, 9 motor mounting plates, 10 worm screws, 11 worm gears, 12 low speed DC micromotors, 13 coupling, the 14 driven wheel discs with eccentric shaft, the 14-1 flexible pipe embeds gap, 15 wheel discs of the active with eccentric shaft, 16 connecting rods, 17 driven synchronous pulleys, the 17-1 flexible pipe embeds gap, 18 active synchronization belt wheels, 19 ring-shaped synchronous belts, 20 Idle wheels, 21 drivers, 22 axle beds.

Embodiment

Further illustrate the present invention below in conjunction with embodiment and accompanying drawing thereof.

Embodiment 1 as shown in Figure 1, 2, 3, the vertical mounting plate 4 that is fixed in peristaltic pump pedestal 2 both sides is arranged with the reciprocating rotation parts and is transmitted in the driving part of reciprocating rotation parts, embodiment 1 reciprocating rotation parts and the driving part that is transmitted in the reciprocating rotation parts thereof are that velocity ratio is 1 gear pair, driven gear 5 is reciprocating rotation parts, and driving gear 6 is driving parts.The axle sleeve of driven gear 5 is provided with the shoulder that is engaged in 4 one axis hole edges of vertical mounting plate and the caulking groove that is positioned at the circlip for shaft 5-1 of vertical mounting plate 4 another sides.Vertical mounting plate 4 is individually fixed in peristaltic pump pedestal 2 both sides by mounting hole 4-1.

The axle sleeve of the driven gear 5 of each vertical mounting plate 4 penetrates respectively the nothing constraint flexible pipe 3 of peristaltic pump rotor roller assembly both sides, and the axle sleeve interference fit of flexible pipe 3 and each driven gear 5, so that flexible pipe is with driven gear 5 reciprocating rotations.

Driving gear 6 its axle sleeves of each vertical mounting plate are fixed in an axis 7 by jackscrew, this axis also is fixed with a worm gear 11 by jackscrew, this worm gear is meshed with the worm screw 10 of by axle bed, being supported that is supported on mounting plate 8, and embodiment 1 mounting plate 8 and vertical mounting plate 4 join fixing.Worm screw 10 is connected with the output shaft of the low speed DC micromotor 12 that periodically commutates by coupling 13, and low speed DC micromotor 12 is supported in motor mounting plate 13.Embodiment's 1 motor mounting plate 13 is fixed in vertical mounting plate 4.

In Fig. 1 embodiment 1 drive mechanism, driven gear 5 can be also structure as shown in Figure 9, and namely the fluted disc of driven gear 5 is provided with axle sleeve the flexible pipe that is connected mutually and embeds gap 5-2.It is more convenient that the setting that embeds gap makes flexible pipe penetrate the axle sleeve of driven gear 5, as long as the dismounting circlip for shaft takes off driven gear, can conveniently embed, and driven gear is installed again after embedding flexible pipe.

Embodiment 2 as shown in Figure 4, the driving part that is fixed in the symmetrically arranged reciprocating rotation parts of vertical mounting plate 4 of peristaltic pump pedestal both sides and is transmitted in the reciprocating rotation parts is respectively the wheel disc with eccentric shaft, driven wheel disc 14 with eccentric shaft is reciprocating rotation parts, initiatively wheel disc 15 is driving parts, and the eccentric shaft axle of two wheel discs is connected with connecting rod 16.The structure that active wheel disc 15 is supported in vertical mounting plate 4 is identical with embodiment 1, and the structure that driven wheel disc 14 is fixed in axis is identical with embodiment 1, and other structure of embodiment 2 is identical with embodiment 1.

In Fig. 4 embodiment 2 drive mechanism, driven wheel disc 14 can be also structure as shown in figure 10, and namely driven wheel disc 14 is provided with axle sleeve the flexible pipe that is connected mutually and embeds gap 14-1.The effect that embeds gap is identical with embodiment 1.

Embodiment 3 as shown in Figure 5, the driving part that is fixed in the symmetrically arranged reciprocating rotation parts of vertical mounting plate 4 of peristaltic pump pedestal both sides and is transmitted in the reciprocating rotation parts is respectively synchronous pulley, wherein driven synchronous pulley 17 is reciprocating rotation parts, active synchronization belt wheel 18 is driving parts, the active synchronization belt wheel is provided with the ring-shaped synchronous belt 19 that is transmitted in driven synchronous pulley, and vertical mounting plate 4 is provided with the Idle wheel 20 of ring-shaped synchronous belt 19.Other structure of embodiment 3 is identical with embodiment illustrated in fig. 11.

In embodiment illustrated in fig. 53 drive mechanism, driven synchronous pulley 17 can be also structure as shown in figure 11, and namely the wheel disc of driven synchronous pulley 17 is provided with axle sleeve the flexible pipe that is connected mutually and embeds gap 17-1, and the effect that embeds gap is identical with embodiment 1.

Embodiment 4 as shown in Figure 6,7, the symmetrical reciprocating rotation parts that are arranged at 2 liang of side-stand type mounting plates 4 of pump head pedestal are the driven wheel discs 14 with eccentric shaft, be provided with the axis 7 that is supported in axle bed 22 in driver 21 housings, axis 7 is fixed with corresponding with the described two driven wheel discs 14 respectively wheel disc of the active with eccentric shaft 15, initiatively the eccentric shaft of wheel disc and driven wheel disc is connected with connecting rod 16, and axis 7 one ends fix by coupling 13 and low speed DC micromotor 12 output shafts.

embodiment 5 as shown in Figure 8, the symmetrical reciprocating rotation parts that are arranged at 2 liang of side-stand type mounting plates 4 of pump head pedestal are the driven wheel discs 14 with eccentric shaft, be provided with the axis 7 that is supported in axle bed 22 in driver 21 housings, axis is the bent axle that is provided with a connecting rod neck 7-1, the main journal of bent axle is provided with a wheel disc of the active with eccentric shaft 15, connecting rod neck 7-1 is identical with the eccentric shaft position of active wheel disc, connecting rod neck 7-1 and with the active wheel disc 15 of eccentric shaft respectively with two driven wheel discs in one corresponding, connecting rod neck is with initiatively the eccentric shaft of wheel disc and the eccentric shaft of corresponding driven wheel disc are provided with the connecting rod 16 that is coupling.Axis 7 one ends fix by coupling 13 and low speed DC micromotor 12 output shafts.

Above each embodiment's reciprocating rotation parts angle range can be selected in 60-180 ° of scope, the reciprocating rotation commutation cycle can be selected in the 1-10min scope.

Its commutation drive circuit of above each embodiment's low speed DC micromotor drives chip L298N by single-chip microcomputer 89C5X/89CX051 and direct current generator and forms.

Can find out that by above each embodiment's description the present invention compared with prior art has the outstanding feature of the irrelevant and single motor of the pressure head state of protective gear and pump head.

In the equipment of many miniature peristaltic pumps front and back paired runnings; if low speed DC micromotor output shaft and axis adopt the kind of drive of worm and gear; as long as the worm screw of every miniature peristaltic pump is connected and can moves with low speed DC micromotor output shaft this device of many miniature peristaltic pumps that joins, this Placement belongs to protection domain of the present utility model equally.

In the equipment of many miniature peristaltic pumps front and back paired runnings; if the reciprocating rotation parts are driven wheel discs; can move as long as the eccentric shaft of the driven wheel disc of adjacent miniature peristaltic pump is connected this device of many miniature peristaltic pumps by pitman shaft, this Placement belongs to protection domain of the present utility model equally.

Claims

1. the protective gear of peristaltic pump flexible pipe, the pump head that comprises peristaltic pump, driver and low speed DC micromotor, it is characterized in that: the vertical mounting plate that is fixed in pump head pedestal both sides is arranged with the reciprocating rotation parts, the axle sleeve of each reciprocating rotation parts penetrates respectively nothing constraint flexible pipe and the interference fit of peristaltic pump rotor roller assembly both sides, described pump head pedestal and/or actuator housing are supported with an axis of a low speed DC micromotor and this DC Motor Drives thereof, be respectively equipped with drive mechanism between the reciprocating rotation parts of described axis and pump head pedestal both sides, described reciprocating rotation parts angle range is 60-180 °, the reciprocating rotation commutation cycle is 1-10min.

2. protective gear according to claim 1; it is characterized in that: the monosymmetric reciprocating rotation parts of described pump head pedestal are driven gears; pump head pedestal two side-stand type mounting plates are respectively equipped with the driving gear that is meshed with described driven gear, and described two driving gears are fixed in the axis of low speed DC micromotor transmission.

3. protective gear according to claim 1; it is characterized in that: the monosymmetric reciprocating rotation parts of described pump head pedestal are the driven wheel discs with eccentric shaft; pump head pedestal two side-stand type mounting plates are respectively equipped with active with the eccentric shaft wheel disc corresponding with described driven wheel disc; initiatively the eccentric shaft of wheel disc and driven wheel disc is connected with connecting rod, and described two active wheel discs are fixed in the axis of low speed DC micromotor transmission.

4. protective gear according to claim 1; it is characterized in that: the monosymmetric reciprocating rotation parts of described pump head pedestal are the driven wheel discs with eccentric shaft; be provided with active with the eccentric shaft wheel disc corresponding with described driven wheel disc respectively that is fixed in axis in actuator housing, initiatively the eccentric shaft of wheel disc and driven wheel disc is connected with connecting rod.

5. protective gear according to claim 1, it is characterized in that: the monosymmetric reciprocating rotation parts of described pump head pedestal are the driven wheel discs with eccentric shaft, be provided with the axis of low speed DC micromotor institute transmission in actuator housing, described axis is the bent axle that is provided with a connecting rod neck, the main journal of bent axle is provided with a wheel disc of the active with eccentric shaft, connecting rod neck is identical with the eccentric shaft position of active wheel disc, connecting rod neck and initiatively wheel disc respectively with two driven wheel discs in one corresponding, connecting rod neck is with initiatively the eccentric shaft of wheel disc and the eccentric shaft of corresponding driven wheel disc are provided with the connecting rod that is coupling.

6. protective gear according to claim 1; it is characterized in that: the monosymmetric reciprocating rotation parts of described pump head pedestal are driven synchronous pulleys; pump head pedestal two side-stand type mounting plates are respectively equipped with the active synchronization belt wheel corresponding with described driven synchronous pulley; the active synchronization belt wheel is provided with the ring-shaped synchronous belt that is transmitted in driven synchronous pulley; described vertical mounting plate is provided with the Idle wheel of ring-shaped synchronous belt, and described two active synchronization belt wheels are fixed in the axis of low speed DC micromotor transmission.

7. protective gear according to claim 1, it is characterized in that: described low speed DC micromotor output shaft is connected with worm screw, and this worm screw is meshed with the worm gear that is fixed on axis.

8. protective gear according to claim 1 is characterized in that: described its fluted disc of reciprocating rotation parts that consists of driven gear is provided with axle sleeve the flexible pipe that is connected mutually and embeds gap.

9. protective gear according to claim 1 is characterized in that: described its wheel disc of reciprocating rotation parts that consists of the driven wheel disc with eccentric shaft is provided with axle sleeve the flexible pipe that is connected mutually and embeds gap.

10. protective gear according to claim 1 is characterized in that: described its wheel disc of reciprocating rotation parts that consists of driven synchronous pulley is provided with axle sleeve the flexible pipe that is connected mutually and embeds gap.