CN114033654A

CN114033654A - Multilayer peristaltic pump with rapidly adjustable flow

Info

Publication number: CN114033654A
Application number: CN202111493163.4A
Authority: CN
Inventors: 余文涛; 向连玉
Original assignee: Shenzhen Skoocom Electronic Co ltd
Current assignee: Shenzhen Skoocom Electronic Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-02-11

Abstract

The invention discloses a multilayer peristaltic pump with rapidly adjustable flow; comprises a driving motor, a pump body, a pump shell, a fluid leading-in joint, a fluid leading-out joint and a plurality of hoses for conveying fluid; a hose extrusion channel is formed between the pump body and the pump shell; the outer wall of the pump shell is provided with a first mounting opening and a second mounting opening; the fluid introduction joint is fixedly arranged at the first mounting port; the fluid leading-out joint is fixedly arranged at the second mounting port; the plurality of hoses penetrate through the hose extrusion channel; the first ends of the hoses are communicated with the fluid introduction joint; the second ends of the plurality of hoses are in communication with the fluid outlet fitting. Has the advantages that: under the condition that the maximum rotating speed of the driving motor is unchanged and the inner diameter of the hose is unchanged, in unit time, compared with the traditional peristaltic pump with a single hose for guiding fluid, the peristaltic pump can accelerate the conveying amount of single fluid, and when the rotating speed of the driving motor is reduced, the flow of the conveyed fluid can be quickly and flexibly adjusted in a large range, so that the use can meet higher requirements.

Description

Multilayer peristaltic pump with rapidly adjustable flow

Technical Field

The invention relates to the technical field of peristaltic pumps, in particular to a multilayer peristaltic pump with rapidly adjustable flow.

Background

Peristaltic pumps are a new type of fluid delivery pump followed by rotodynamic pumps, centrifugal pumps, diaphragm pumps, etc. Peristaltic pumps move forward as a finger squeezes a fluid filled hose, sliding the fluid in the tube forward. 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.

The existing peristaltic pump mainly comprises three parts: driving motor, pump head and hose. The fluid is kept apart in the pump line and makes pollution-free, but pump line quick replacement, fluid retrograde motion, whole peristaltic pump can idle run, whole peristaltic pump maintenance cost is low, and it has above-mentioned many points for use extensively at present stage.

For the peristaltic pump with the structure, the fluid is conveyed by a single hose mostly, and the problems are that: under the condition that the maximum rotating speed of the driving motor is kept unchanged and the inner diameter of the hose is kept unchanged, the conveying capacity of single fluid cannot be further accelerated in unit time, and when the rotating speed of the driving motor is reduced, the flow of the fluid cannot be rapidly and flexibly adjusted in a large range, so that the use requirement cannot be met.

In view of the above, the present inventors have devised the present application based on their working experience to solve the related art problems.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, the invention aims to propose a multilayer peristaltic pump with a rapidly adjustable flow rate.

In order to achieve the above object, the multilayer peristaltic pump with rapidly adjustable flow rate according to the embodiment of the present invention includes a driving motor, a pump body mounted on a rotating shaft at an upper end of the driving motor for extruding a flexible tube, a pump casing covering the outside of the pump body, a fluid introducing joint, a fluid discharging joint, and a plurality of flexible tubes for conveying fluid;

a hose extrusion channel is formed between the pump body and the pump shell; the outer wall of the pump shell is provided with a first mounting opening and a second mounting opening; the fluid introduction joint is fixedly arranged at the first mounting port; the fluid leading-out joint is fixedly arranged at the second mounting port; the plurality of hoses penetrate through the hose extrusion channel; a plurality of said flexible tubes first ends in communication with said fluid introduction fittings; a plurality of said hose second ends are in communication with said fluid outlet fitting.

In addition, the multilayer peristaltic pump with the rapidly adjustable flow rate according to the above embodiment of the present invention may further have the following additional technical features:

according to one embodiment of the present invention, the fluid introduction joint has a fluid inlet a and a plurality of fluid outlets a communicated with the fluid inlet a; the first ends of the hoses are correspondingly communicated with the fluid outlets A.

According to one embodiment of the invention, the fluid outlet joint has a fluid outlet B and a plurality of fluid inlets B communicated with the fluid inlet B; the second ends of the hoses are correspondingly communicated with the fluid inlets B.

According to one embodiment of the invention, the pump body comprises a plurality of layers of rotating discs and a plurality of hose squeeze rollers;

the rotating discs are fixed into a whole, and a certain distance is reserved between the rotating discs so as to correspondingly limit a plurality of pipe passing gaps; the plurality of hose squeezing rollers are correspondingly vertically arranged between the two adjacent rotating disks, and a plurality of hose squeezing channels are correspondingly formed between the plurality of hose squeezing rollers and the inner wall of the pump shell.

According to one embodiment of the invention, a fixed shaft is connected with the middle part of the multilayer rotating disc; every layer the hose squeeze roll all is equipped with a plurality ofly, and every layer is a plurality ofly the hose squeeze roll is evenly established respectively around the fixed axle.

According to one embodiment of the invention the hose squeeze rollers between each two adjacent layers are arranged offset to each other.

According to one embodiment of the invention, each layer of the plurality of hose squeezing rollers comprises a fixed column and a roller sleeved outside the fixed column; the upper end and the lower end of each layer of the plurality of fixing columns are correspondingly and fixedly arranged between the rotating disc at the upper part and the rotating disc at the lower part of the fixing columns.

According to one embodiment of the invention, the pump further comprises a speed regulating member for regulating the rotation speed of the pump body; the speed regulating component is connected between the rotating shaft at the upper end of the driving motor and the pump body.

According to one embodiment of the invention, the speed regulating component comprises a driving gear, a planetary reduction gear set, a driven gear and a fixed seat, wherein the upper part of the fixed seat is open, and the middle part of the bottom of the fixed seat is provided with a rotating shaft through hole;

the driving gear, the planetary reduction gear set and the driven gear are all arranged in the fixed seat; the fixed seat is arranged on the upper part of the driving motor; a rotating shaft at the upper end of the driving motor penetrates through the rotating shaft through hole and extends into the fixed seat; the driving gear is fixedly sleeved outside a rotating shaft at the upper end of the driving motor; the driven gear is fixedly sleeved outside the lower end of one of the fixed columns at the lowermost layer; the planetary reduction gear is engaged between the drive gear and the driven gear.

According to an embodiment of the present invention, the lower peripheral edge of the pump casing is inserted into the upper opening of the fixing base and is fixed with the upper opening of the fixing base into a whole.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

To illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a multi-layer peristaltic pump with a rapidly adjustable flow rate according to the present invention 1;

FIG. 2 is an exploded view 1 of the rapidly flow adjustable multi-layer peristaltic pump of the present invention;

FIG. 3 is an enlarged view of the planetary reduction gear set of FIG. 2;

FIG. 4 is a schematic diagram 2 of the overall structure of the multi-layer peristaltic pump with rapidly adjustable flow rate according to the present invention;

FIG. 5 is an exploded view 2 of the rapidly flow adjustable multi-layer peristaltic pump of the present invention;

FIG. 6 is an enlarged view of the planetary reduction gear set of FIG. 5;

reference numerals:

a multilayer peristaltic pump 1000 with rapidly adjustable flow rate;

a drive motor 10;

a mounting hole 101;

a pump body 20;

a turn disc 201; a hose squeeze roller 202; a fixed column 2021; a drum 2022; a fixed shaft 203;

a pump casing 30;

a first mounting port 301; a first limiting slot 3011; a second mounting opening 302; a second limiting clamping groove 3021; a fixing hole 303; a buckle 304; a stopper column 305;

a fluid introduction fitting 40;

a fluid inlet a 401; a fluid outlet A402; a fixed snap ring A403;

a fluid outlet fitting 50;

a fluid outlet B501; a fluid inlet B502; a fixed snap ring B503;

a hose 60;

a speed regulation member 70;

a drive gear 701; a planetary reduction gear set 702; a rotating disk 7021; a reduction gear 7022; a transition gear 7023; a driven gear 703; a fixed base 704; a shaft via 7041; a rotating spline 7042; a screw hole 7043; a fixed station 7044; a lock hole 7045; a securing ear 7046; a grommet 7047; a third limiting slot 7048; a fourth limiting slot 7049;

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings of the specification, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified 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 connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The flow rate rapidly adjustable multi-layer peristaltic pump 1000 according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 6, a multi-layer peristaltic pump 1000 with a rapidly adjustable flow rate according to an embodiment of the present invention includes a driving motor 10, a pump body 20 mounted on a rotating shaft at an upper end of the driving motor 10 and used for squeezing a hose 60, and a pump housing 30 covering the pump body 20;

the improvement of the invention is that the device also comprises a fluid inlet joint 40, a fluid outlet joint 50 and a plurality of hoses 60 for conveying fluid;

a hose squeezing channel is formed between the pump body 20 and the pump shell 30; a first mounting opening 301 and a second mounting opening 302 are formed in the outer wall of the pump shell 30; the fluid introduction joint 40 is fixedly arranged at the first mounting port 301; the fluid outlet connector 50 is fixedly arranged at the second mounting port 302; a plurality of hoses 60 are arranged in the hose extrusion channel in a penetrating way; a plurality of said hoses 60 communicating at a first end with said fluid introduction fittings 40; a second end of the plurality of hoses 60 is in communication with the fluid outlet fitting 50.

Based on the above, it is clear that the present application, when implemented, is mainly used as the multi-layer peristaltic pump 1000 with a rapidly adjustable flow rate.

Specifically, in the application, after the components of the present application are installed, the fluid introducing connector 40 is connected to a container with fluid therein, and the driving motor 10 is started, the driving motor 10 will drive the pump body 20 to rotate continuously, and the pump body 20 will continuously perform peristaltic extrusion on the plurality of hoses 60, so that the fluid contained in the corresponding container is sucked into the plurality of hoses 60 by the synchronous negative pressure, and then is led out from the fluid leading-out connector 50.

For the present application of the above-mentioned structure, it is obvious that compared with the conventional peristaltic pump having a single hose 60 for guiding the fluid, the hose 60 of the present application is provided with a plurality of hoses 60, and the plurality of hoses 60 are connected in parallel between the fluid introduction joint 40 and the fluid discharge joint 50.

From this, it can be summarized:

on the one hand, under the condition that the maximum rotating speed of the driving motor 10 is kept unchanged and the inner diameter of the hose 60 is kept unchanged, in unit time, compared with the traditional peristaltic pump with a single hose 60 for guiding the fluid, the conveying amount of the single fluid can be increased, and the conveying amount of the single fluid can be increased by more than one hose 60, so that the conveying amount of the single fluid can be increased by multiple times.

On the other hand, because this application is provided with many hoses 60 that are used for the water conservancy diversion fluid for once can carry more fluid, so, under the condition that driving motor 10 maximum rotational speed keeps unchangeable and hose 60 internal diameter keeps unchangeable, in the unit interval, when reducing driving motor 10 rotational speed, the fluid flow that carries also can carry out quick nimble regulation on a large scale, makes the use can reach higher requirement.

Moreover, as the fluid introduction joint 40 is fixedly arranged at the first mounting port 301 and the fluid discharge joint 50 is fixedly arranged at the second mounting port 302, a plurality of hoses 60 are limited and fixed in the hose extrusion channel, so that the hoses are not easy to displace and slide out, and the use is stable and reliable.

Furthermore, the application is strong in practicability and good in using effect.

As shown in fig. 2 and 4; according to the multi-layer peristaltic pump 1000 with a rapidly adjustable flow rate of the above embodiment of the present invention, the fluid introduction joint 40 of the present application has a fluid inlet a401 and a plurality of fluid outlets a402 communicated with the fluid inlet a 401; a plurality of said hoses 60 are in communication with a corresponding plurality of said fluid outlets a402 at a first end thereof.

Further, as shown in fig. 2 and 4; according to an embodiment of the present invention, the fluid outlet connector 50 has a fluid outlet B501 and a plurality of fluid inlets B502 communicated with the fluid outlet B501; a plurality of second ends of the hoses 60 are in communication with a plurality of the fluid inlets B502.

From the above, it can be understood that, in the present application, the fluid introducing connector 40 and the fluid discharging connector 50 are all multi-way connectors, so as to connect a plurality of hoses 60 in parallel, and then realize multi-way conveying of a single fluid.

In a preferred embodiment, a circle of first limiting clamping grooves 3011 is cut around the inner wall of the first mounting opening 301, a circle of second limiting clamping grooves 3021 is cut around the inner wall of the second mounting opening 302, correspondingly, a circle of fixing clamping ring a403 is arranged on the outer wall of the fluid leading-in connector 40, and a circle of fixing clamping ring B503 is arranged on the outer wall of the fluid leading-out connector 50;

a plurality of fluid outlets a402 of the fluid introduction joint 40 extend into the first mounting port 301 and are correspondingly communicated with first ends of a plurality of hoses 60, and the fixing clamp ring a403 is clamped in the first limiting clamp slot 3011;

the plurality of fluid inlets B502 of the fluid outlet connector 50 extend into the second mounting port 302 and are correspondingly communicated with the second ends of the plurality of hoses 60, and the fixing clamp ring B503 is clamped in the second limiting clamp groove 3021.

Therefore, the fluid introduction joint 40 and the fluid discharge joint 50 are firmly fixed and are not easy to loosen, so that the application is safe and reliable to use.

Further, with continued reference to fig. 2 and 4; according to one embodiment of the present invention, the pump body 20 includes a multi-layer rotating disk 201 and a plurality of hose squeeze rollers 202;

the rotating discs 201 are fixed into a whole, and a certain distance is reserved between the rotating discs so as to correspondingly limit a plurality of pipe passing gaps; a plurality of the hose squeezing rollers 202 are correspondingly erected between two adjacent rotating discs 201, and a plurality of the hose squeezing channels are correspondingly formed between the hose squeezing rollers 202 and the inner wall of the pump shell 30.

Obviously, in this embodiment, the plurality of layers of the rotating discs 201 are horizontally arranged and connected with each other, and a plurality of hose squeezing channels are correspondingly formed between the plurality of hose squeezing rollers 202 and the inner wall of the pump housing 30, so that each hose 60 of the present application has a hose squeezing channel for facilitating the interference fit of the hose.

To this end, start driving motor 10, when the multilayer rolling disc 201 that drives pump body 20 rotates in step, every layer hose squeeze roll 202 can be periodic promptly to the relevant position hose 60 extrudees alone to periodic negative pressure attracts fluid to its in to the fluid extrusion that periodic will be attracted to it to the negative pressure, makes to realize every layer hose 60 homoenergetic is worked alone, and realizes every layer hose 60 all is kept apart the protection, makes mutual noninterference, mutual influence, can not cause because of range upon range of formula is close together and collision wearing and tearing each other in the wriggling process, so, this application is many hose 60 long service life.

Still further, according to an embodiment of the present invention, a fixed shaft 203 is connected to the middle of the multi-layer rotating disc 201; a plurality of hose squeezing rollers 202 are arranged on each layer, and the plurality of hose squeezing rollers 202 on each layer are uniformly arranged around the fixed shaft 203 respectively.

From this, it can be understood that, since the plurality of hose squeeze rollers 202 per layer are respectively uniformly provided around the fixed shaft 203, therefore, when the pump body 20 is rotated by the driving motor 10, the length of each layer of the hoses 60 between two adjacent hose squeezing rollers 202 is equal, so that the volume of the portion of each layer of the hose 60 between two adjacent hose press rolls 202 is also equal, so that each time a plurality of said hose squeeze rollers 202 squeeze said hose 60 periodically at corresponding positions per layer, the amount of fluid sucked by the negative pressure in the portion of each layer of the hose 60 between two adjacent hose squeezing rollers 202 is identical, so that the amount of fluid extruded from the hose 60 at each subsequent time is also identical, which facilitates counting to ensure reliable fluid flow delivery.

Further, in practice, the hose squeeze rollers 202 between each adjacent two layers are positioned in a staggered arrangement in accordance with one embodiment of the present invention.

Therefore, after the middle parts of the multiple layers of rotating discs 201 are connected together through the fixed shaft 203, when the hose squeezing rollers 202 between every two adjacent layers are arranged in a staggered mode, even if the multiple layers of hose squeezing rollers 202 fixed between the multiple layers of rotating discs 201 can be uniformly distributed, the multiple layers of rotating discs 201 can be fixed more firmly, the whole service life of the rotating discs is long, and the hose squeezing rollers are safer and more reliable to use.

It should be added that, in a preferred embodiment, each layer of the plurality of hose squeezing rollers 202 includes a fixed post 2021 and a roller 2022 sleeved outside the fixed post 2021; the upper and lower ends of each layer of the plurality of fixing columns 2021 are correspondingly and fixedly arranged between the rotating disc 201 at the upper part and the rotating disc 201 at the lower part.

In contrast, when the plurality of layers of rotating discs 201 rotate synchronously, the plurality of hose squeezing rollers 202 on each layer can squeeze the hoses 60 at corresponding positions periodically, and in the squeezing process, the rollers 2022 of the plurality of hose squeezing rollers 202 on each layer can rotate continuously to squeeze the hoses 60 at corresponding positions in a rotating manner, so that the plurality of hoses 60 are not squeezed rigidly but squeezed in a creeping manner, and the plurality of hoses 60 are not worn easily, thereby further prolonging the service life of the hoses.

Furthermore, according to an embodiment of the present invention, the present application further comprises a speed regulation member 70 for regulating the rotational speed of the pump body 20; the speed regulating member 70 is connected between the upper end shaft of the driving motor 10 and the pump body 20.

Preferably, in this technical solution, according to an embodiment of the present invention, the speed adjusting member 70 includes a driving gear 701, a planetary reduction gear set 702, a driven gear 703, and a fixing seat 704 having an open upper portion and a rotating shaft through hole 7041 formed in a middle portion of a bottom thereof;

the driving gear 701, the planetary reduction gear set 702 and the driven gear 703 are all installed in the fixing base 704; the fixing seat 704 is installed on the upper part of the driving motor 10; the rotating shaft at the upper end of the driving motor 10 passes through the rotating shaft through hole 7041 and extends into the fixed seat 704; the driving gear 701 is fixedly sleeved on the rotating shaft at the upper end of the driving motor 10; the lower end of one of the fixing columns 2021 at the lowermost layer passes through the lower bottom surface of the rotating disc 201 at the lowermost layer downwards, and the driven gear 703 is fixedly sleeved outside the lower end of one of the fixing columns 2021 at the corresponding lowermost layer; the planetary reduction gear is engaged between the driving gear 701 and the driven gear 703.

From this, through setting up planetary reduction gear set 702 makes reduction that can be fine promptly the slew velocity of the pump body 20 to make the fluid's of carrying out after this application transition at every turn the delivery rate can obtain greatly reduced, so that carry out operations such as packing to the fluid of carrying out after this application transition at every turn, when utilizing this application to carry out the transport of milk, after reducing the delivery rate, both be convenient for carry out bottled package or box-packed packing to the milk of carrying out after this application transition, make this application result of use more excellent.

Preferably, in the present technical solution, as shown in fig. 2, 3, 5 and 6, the planetary reduction gear set 702 includes a rotating disk 7021, a plurality of reduction gears 7022 uniformly fixed on the periphery of the lower bottom surface of the rotating disk 7021, and a transition gear 7023 fixed in the middle of the upper end surface of the rotating disk 7021;

a rotating tooth groove 7042 is annularly formed in the inner wall of the fixed seat 704; the plurality of reduction gears 7022 are externally engaged with the rotating teeth 7042, and the plurality of reduction gears 7022 are internally engaged with the driving gear 701; the transition gear 7023 meshes with the driven gear 703.

Therefore, after the driving motor 10 is started, the upper rotating shaft thereof drives the driving gear 701 to synchronously rotate, the driving gear 701 drives the plurality of reduction gears 7022 to rotate synchronously around the rotating tooth grooves 7042 when rotating, the plurality of reduction gears 7022 drives the rotating disc 7021 and the transition gear 7023 arranged in the middle of the upper end face thereof to rotate synchronously when rotating, the transition gear 7023 drives the driven gear 703 to rotate synchronously when rotating, the driven gear 703 drives the fixed post 2021 fixed to the driven gear to rotate synchronously when rotating, the fixed post 2021 drives the rotating disc 201 of the whole pump body 20 to rotate synchronously to force the multi-layer hose squeezing roller 202 to periodically squeeze the multi-layer hose 60 in a creeping manner, so as to achieve quantitative and precise delivery of the fluid to be delivered.

It should be added that, in practical implementation, according to an embodiment of the present invention, the lower peripheral edge of the pump casing 30 is inserted into the upper opening of the fixing base 704 and is fixed with the upper opening of the fixing base 704 as a whole.

Therefore, the application has good integrity, and the application is firm and reliable.

Preferably, in the present technical solution, the periphery of the upper end surface of the driving motor 10 is downwardly provided with a plurality of mounting holes 101, the periphery of the inner bottom surface of the fixing base 704 is downwardly provided with a plurality of screw holes 7043 facing the mounting holes at corresponding positions, and the fixing base 704 is fixed to the driving motor 10 as a whole by fastening bolts penetrating through the screw holes 7043 and the mounting holes 101 at corresponding positions.

Preferably, in the technical scheme, a fixed table 7044 is arranged in a manner that the open front side at the upper part of the fixed seat 704 protrudes forwards, and a lock hole 7045 is formed in the upper end surface of the fixed table 7044 in a downward manner; a fixing lug 7046 is convexly arranged on the rear side of the opening on the upper part of the fixing seat 704, and a button hole 7047 penetrating through the front end face and the rear end face of the fixing lug 7046 is formed in the fixing lug 7046; a fixing hole 303 facing the lock hole 7045 is formed in the front side of the outer wall of the pump shell 30 in a downward direction; a buckle 304 which is opposite to the button hole 7047 is convexly arranged at the rear middle lower part of the outer wall of the pump shell 30 backwards;

when the lower periphery of the pump casing 30 is inserted into the opening at the upper portion of the fixing seat 704, the buckle 304 is buckled into the button hole 7047, the fixing hole 303 abuts against the locking hole 7045, and the pump casing 30 is fixed to the fixing seat 704 by a fastening bolt screwed into the fixing hole 303 and the locking hole 7045 at opposite positions.

From the above, it can be understood that the driving motor 10, the fixing base 704 and the pump housing 30 are firmly fixed to each other and are not easily loosened, so that the present application is really firm and reliable as a whole.

In addition, in the present technical solution, a limiting column 305 is convexly disposed downward in the middle of the inner top surface of the pump casing 30; the upper portion of the fixed shaft 203 connected between the plurality of layers of the rotating discs 201 is a hollow structure, and the position-limiting column 305 is inserted into the upper portion of the fixed shaft 203, so that when the pump body 20 rotates in the pump housing 30, the position of the position-limiting column 305 is limited by the rotation, and the pump body is not deviated, so that the use is more stable.

Meanwhile, in this technical solution, the first mounting port 301 and the second mounting port 302 are both formed into an inverted U-shaped structure, that is, the lower portions thereof are both formed into an opening, so that the fluid inlet connector 40 is clamped into the first mounting port 301 from bottom to top, so as to enable the left and right sides and the upper portion of the fixed snap ring a403 to be clamped into the first limiting snap groove 3011, and the fluid outlet connector 50 is clamped into the second mounting port 302 from bottom to top, so as to enable the left and right sides and the upper portion of the fixed snap ring B503 to be clamped into the second limiting snap groove 3021, thereby greatly facilitating the installation and fixation of the fluid inlet connector 40 and the fluid outlet connector 50.

Correspondingly, in this embodiment, the upper end surface of the fixed platform is provided with a third limiting slot 7048 facing the first limiting slot 3011 and a fourth limiting slot 7049 facing the second limiting slot 3021.

In this way, when the lower periphery of the pump casing 30 is inserted into the upper opening of the fixing seat 704 to be fixed with the upper opening of the fixing seat 704, even if the bottom of the fixing snap ring a403 is snapped into the third limit snap groove 7048, the bottom of the fixing snap ring B503 is also snapped into the fourth limit snap groove 7049, so that the fluid inlet connector 40 and the fluid outlet connector 50 are both fixed more firmly and are not loosened.

And through above-mentioned optimal design for on the whole, can be convenient for this application simple and easy dismouting, the being convenient for of pump case 30 the fluid leading-in connects 40 simple and easy dismouting, being convenient for the fluid exports connects 50 simple and easy dismouting, being convenient for the pump body 20 simple and easy dismouting and being convenient for the simple and easy dismouting of speed governing component 70 makes each component of this application all maintain the convenience.

It should be further added that, in practical implementation, according to a preferred embodiment of the present invention, there are two hoses 60, two corresponding fluid outlets a402 of the fluid inlet connector 40, two corresponding fluid inlets B502 of the fluid outlet connector 50, and two corresponding hose squeezing rollers 202 of each layer.

Of course, in the specific implementation, the number of the hoses 60 to be used may be set according to actual needs, and is not limited herein.

Other embodiments, etc., are not illustrated herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without conflicting aspects.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A multilayer peristaltic pump with rapidly adjustable flow comprises a driving motor, a pump body and a pump shell, wherein the pump body is arranged on a rotating shaft at the upper end of the driving motor and used for extruding a hose, the pump shell covers the outside of the pump body;

a hose extrusion channel is formed between the pump body and the pump shell; the outer wall of the pump shell is provided with a first mounting opening and a second mounting opening; the fluid introduction joint is fixedly arranged at the first mounting port; the fluid leading-out joint is fixedly arranged at the second mounting port; the plurality of hoses penetrate through the hose extrusion channel; the first ends of the hoses are communicated with the fluid introduction joint; the second ends of the plurality of hoses are in communication with the fluid outlet fitting.

2. The multilayer peristaltic pump with the flow rate capable of being rapidly adjusted as claimed in claim 1, wherein the fluid introduction joint is provided with a fluid inlet A and a plurality of fluid outlets A communicated with the fluid inlet A; the first ends of the plurality of hoses are correspondingly communicated with the plurality of fluid outlets A.

3. The multilayer peristaltic pump with the flow rate capable of being rapidly adjusted according to claim 1, wherein the fluid outlet joint is provided with a fluid outlet B and a plurality of fluid inlets B communicated with the fluid inlets B; the second ends of the plurality of hoses are correspondingly communicated with the plurality of fluid inlets B.

4. The multilayer peristaltic pump with the rapid flow rate adjustment function as claimed in claim 1, wherein the pump body comprises a multilayer rotating disc and a plurality of hose squeezing rollers;

the multilayer rotating disks are fixed into a whole, and a certain distance is reserved between the multilayer rotating disks so as to correspondingly limit a plurality of pipe passing gaps; a plurality of hose squeeze rollers are correspondingly vertically arranged between a plurality of adjacent two rotating discs, and a plurality of hose squeeze channels are correspondingly formed between the hose squeeze rollers and the inner wall of the pump shell.

5. The multilayer peristaltic pump with the flow rate capable of being rapidly adjusted as claimed in claim 4, wherein a fixed shaft is connected to the middle part of the multilayer rotating disc; every layer of hose squeeze roll all is equipped with a plurality ofly, and every layer of a plurality of hose squeeze rolls is evenly established respectively around the fixed axle.

6. Multilayer peristaltic pump with rapid flow regulation according to claim 5, characterized in that the hose squeezing rollers between each two adjacent layers are arranged offset with respect to each other.

7. The multilayer peristaltic pump with the rapid flow regulation function as claimed in claim 5, wherein each of the plurality of hose squeezing rollers comprises a fixed column and a roller sleeved outside the fixed column; the upper and lower ends of each layer of the plurality of fixed columns are correspondingly and fixedly arranged between the upper rotating disc and the lower rotating disc.

8. The multilayer peristaltic pump with rapid flow rate regulation according to claim 7, further comprising a speed regulation member for regulating the rotation speed of the pump body; the speed regulating component is connected between the rotating shaft at the upper end of the driving motor and the pump body.

9. The multilayer peristaltic pump with the rapidly adjustable flow rate as claimed in claim 8, wherein the speed adjusting member includes a driving gear, a planetary reduction gear set, a driven gear, and a fixing seat having an open top and a through hole for a rotating shaft formed in the middle of the bottom;

the driving gear, the planetary reduction gear set and the driven gear are all arranged in the fixed seat; the fixed seat is arranged on the upper part of the driving motor; a rotating shaft at the upper end of the driving motor penetrates through the rotating shaft through hole and extends into the fixed seat; the driving gear is sleeved outside the rotating shaft at the upper end of the driving motor; the driven gear is fixedly sleeved outside the lower end of one of the fixed columns at the lowermost layer; the planetary reduction gear is engaged between the driving gear and the driven gear.

10. The multilayer peristaltic pump with the rapidly adjustable flow rate as recited in claim 9, wherein the lower periphery of the pump casing is inserted into the upper opening of the fixing seat and is fixed with the upper opening of the fixing seat into a whole.