CN208287837U - Peristaltic pump is used in a kind of mixing of medical fluid - Google Patents

Abstract

A kind of medical fluid mixing peristaltic pump, it include: transfer tube, several pump heads and the fixed plate for being used to fix pump head positioned at transfer tube side, the inside of each pump head is rotatably connected to rotor assembly, the outside of rotor assembly, which is located in the through slot being equipped with inside pump head, is connected with hose, activity is connected to two exits that pump head side is equipped with to two fixture blocks respectively, passes through spring in rotor assembly one side wall and circumferentially slidably connects multiple briquettings, briquetting is flexibly connected with corresponding hose.Beneficial effect is: by the way that the diameter of multiple hoses can be set as to different, the hose of different-diameter can be equipped in pump head according to different proportion for different drugs by realizing, then starting transfer tube can will need mixed drug directly to mix and collect by the present apparatus, the process that the present apparatus reduces mixing drug, save the time, working efficiency is considerably increased, keeps drug mixing more convenient quickly.

Description

Peristaltic pump is used in a kind of mixing of medical fluid

Technical field

The utility model relates to medical instruments field, peristaltic pump is used in specially a kind of medical fluid mixing.

Background technique

Hose of the peristaltic pump just as being full of fluid with finger pinching one, as finger forward slip tube fluid is to Forward Dynamic, peristaltic pump is also this principle only by idler wheel instead of finger, is alternately squeezed by the elastic delivery hose to pump Fluid is pumped with release, just as being squeezed with two fingers hose, as the finger moves, manages interior formation negative pressure, liquid It flows therewith；

Nowadays peristaltic pump has been widely used in medical treatment, and peristaltic pump has pollution-free, the high and low shearing of precision Power, good airproof performance and the simple feature of maintenance, using simple and effective, but conventional peristaltic pumps can only be used to convey same stream Body has conveyed same fluid and has later again mixed it, can also reduce service efficiency, if it is desired to mix different fluid simultaneously It uses, then needs to be equipped with multiple peristaltic pumps and considerably increase cost, and conventional peristaltic pumps cannot proportionally come directly to not Same fluid mixes.

In this regard, the utility model proposes a kind of new solutions.

Summary of the invention

The purpose of this utility model is to provide a kind of medical fluid mixing peristaltic pumps, to solve in above-mentioned background technique The problem of proposition.

To achieve the above object, the utility model provides the following technical solutions: a kind of medical fluid mixing peristaltic pump, packet Include: transfer tube and is used to fix the fixed plate of pump head positioned at transfer tube side at several pump heads, each pump head it is interior Portion is rotatably connected to rotor assembly, and the outside of the rotor assembly is located at the through slot being equipped with inside pump head for placing hose, The both ends of the hose extend through two fixture blocks and extend to the outside of pump head, and activity is connected to pump to described two fixture blocks respectively Two exits that first side is equipped with, the rotor assembly one side wall is interior circumferentially to slidably connect multiple briquettings, institute by spring It states briquetting to be flexibly connected with corresponding hose, the middle part fixation of the rotor assembly is plugged with driven axis, the driven axis Rear end is fixedly connected with hexagonal connecting shaft, and the hexagonal connecting shaft extends to outside, the side of the pump head through the rear wall of pump head It is rotatably connected to hub cap, the arrival end of multiple hoses is connected separately with water inlet pipe, the outlet end difference of multiple hoses It is connected with multiple inlet attacks of multi-pass pipe.

Further, output axis is rotatably connected in the middle part of the fixed plate, and the inside for exporting axis is equipped with and six The compatible hexagonal card slot of angle connecting shaft, the outer end of the driven axis also are provided with hexagonal card slot.

Further, the inside of the hub cap is equipped with through-hole compatible with driven axis.

Further, it is equipped with card slot on the lateral wall of each hub cap, is offered on the rear wall of each pump head Annular strip compatible with card slot.

Further, pre- mark closely is equipped on each briquetting.

Further, the diameter of the hose is 2-4 centimetres.

Compared with prior art, the utility model has the beneficial effects that by that the diameter of multiple hoses can be set as not Together, the hose that different drugs can be equipped with different-diameter according to different proportion is realized in pump head, then starts transfer tube Mixed drug can will be needed directly to mix and collect by the present apparatus, successively can install multiple by pump head and pass through spiral shell Nail is fixed, and plurality of liquid can be mixed by realizing, and the process that the present apparatus reduces mixing drug saves the time, Working efficiency is considerably increased, keeps drug mixing more convenient quickly.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the connection explosive view I of the utility model driver and multiple pump heads；

Fig. 3 is the connection explosive view II of the utility model driver and multiple pump heads；

Fig. 4 is pump head schematic diagram of internal structure in the utility model；

Fig. 5 is that the inside of the utility model pump head uses structural schematic diagram.

In figure: 1 transfer tube, 2 pump heads, 21 hub caps, 22 through-holes, 23 card slots, 3 water inlet pipes, 4 multi-pass pipes, 5 fixed plates, 6 soft Pipe, 7, output axis, 8 driven axis, 9 hexagonal connecting shafts, 10 fixture blocks, 11 rotor assembly, 12 briquettings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Shown in Fig. 1-5, a kind of medical fluid mixing peristaltic pump, comprising: transfer tube 1, several pump heads 2 and being located at drive 1 side of dynamic pump is used to fix the fixed plate 5 of pump head 2, and the inside of each pump head 2 is rotatably connected to rotor assembly 11, The outside of the rotor assembly 11 is located at the through slot being equipped with inside pump head 2 for placing hose 6, mistake of the rotor assembly 11 in rotation Cheng Zhong, the briquetting 12 being surrounded by alternately squeeze the fluid in pumping hose 6, and the both ends of hose 6 extend through two Fixture block 10 and the outside for extending to pump head 2, activity is connected to two outlets that 2 side of pump head is equipped with to described two fixture blocks 10 respectively Place, fixture block 10 are used to fix the both ends of hose 6, and of different sizes, the institute of the through hole inside the corresponding fixture block 10 of different hoses 6 It states in 11 one side wall of rotor assembly and multiple briquettings 12 is circumferentially slidably connected by spring, after hose 6 is installed, spring can be with Briquetting 12 is squeezed, fixed briquetting 12 is facilitated, when hose 6 is installed, briquetting 12 is pressed down against spring and is slided, reserving gap will be soft Pipe 6 is installed, and the briquetting 12 is flexibly connected with corresponding hose 6, and the middle part fixation of the rotor assembly 11 is plugged with driven axis 8, the rear end of the driven axis 8 is fixedly connected with hexagonal connecting shaft 9, and the hexagonal connecting shaft 9 is extended to through the rear wall of pump head 2 Outside, the outside that hexagonal connecting shaft 9 extends pump head 2 are connected with driven axis 8 adjacent thereto or output axis 7, the pump First 2 side is rotatably connected to hub cap 21, and hub cap 21 is fixed by screws on pump head 2, and multiple pump heads 2 are sequentially arranged in admittedly The side of fixed board 5 is simultaneously fixed by screws in together, the insertion output axis of hexagonal connecting shaft 9 on 5 side pump head 2 of fixed plate In hexagonal card slot inside 7, the hexagonal connecting shaft 9 on remaining pump head 2 through through-hole 22 adjacent therewith and is inserted into corresponding driven card In hexagonal card slot inside axis 8, the arrival end of multiple hoses 6 is connected separately with water inlet pipe 3, and water inlet pipe 3 is connected to In beaker equipped with different medical fluids, the outlet end of multiple hoses 6 respectively with multiple inlet attack phases of multi-pass pipe 4 Even, it is mixed by multi-pass pipe 4.

Specifically, the middle part of the fixed plate 5 be rotatably connected to output axis 7, and export axis 7 inside be equipped with The compatible hexagonal card slot of hexagonal connecting shaft 9, the outer end of the driven axis 8 also are provided with hexagonal card slot, and output axis 7 drives multiple Rotor assembly 11 inside pump head 2 rotates simultaneously.

Specifically, the inside of the hub cap 21 is equipped with through-hole 22 compatible with driven axis 8, the hexagonal on pump head 2 Connecting shaft 9 is through through-hole 22 adjacent therewith and is inserted into the hexagonal card slot inside corresponding driven axis 8, passes through driven 8 band of axis Dynamic respective rotor component 11 rotates.

Specifically, being equipped with card slot 23 on the lateral wall of each hub cap 21, opened on the rear wall of each pump head 2 Equipped with annular strip compatible with card slot 23, it is sequentially connected pump head 2.

Specifically, be equipped on each briquetting 12 it is pre- mark closely, fixed briquetting 12.

Specifically, the diameter of the hose 6 is 2-4 centimetres, the soft of suitable diameter is selected according to the ratio of fluid drug Pipe 6.

When in use, first the type and ratio of fluid drug select appropriate number of pump head 2 and difference as needed Hub cap 21 is fixed on corresponding pump head 2 by the hose 6 of diameter by screw, then multiple pump heads 2 are fixed on fixation by screw On plate 5, water inlet pipe 3 is mounted on to the water inlet of hose 6, and the insertion of the other end of water inlet pipe 3 is equipped with to the burning of fluid drug In cup, the inlet attack of multi-pass pipe 4 is connected with the water outlet of hose 6, and the outlet connection of multi-pass pipe 4 is inserted into another In beaker, starts transfer tube 1, fluid drug is mixed.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of medical fluid mixing peristaltic pump, comprising: transfer tube (1) and is located at transfer tube (1) at several pump heads (2) Side is used to fix the fixed plate (5) of pump head (2), it is characterised in that: the inside of each pump head (2) is rotatably connected to Rotor assembly (11), the outside of the rotor assembly (11) are located at the through slot being equipped with inside pump head (2) for placing hose (6), The both ends of the hose (6) extend through two fixture blocks (10) and extend to the outside of pump head (2), described two fixture blocks (10) point Activity is not connected to two exits that pump head (2) side is equipped with, and passes through spring circumferential direction in rotor assembly (11) one side wall It slidably connects multiple briquettings (12), the briquetting (12) is flexibly connected with corresponding hose (6), in the rotor assembly (11) Portion's fixation is plugged with driven axis (8), and the rear end of the driven axis (8) is fixedly connected with hexagonal connecting shaft (9), and the hexagonal connects Rear wall of the axis (9) through pump head (2) extends to outside, and the side of the pump head (2) is rotatably connected to hub cap (21), Duo Gesuo The arrival end for stating hose (6) is connected separately with water inlet pipe (3), the outlet end of multiple hoses (6) respectively with multi-pass pipe (4) Multiple inlet attacks are connected.

2. a kind of medical fluid mixing peristaltic pump according to claim 1, it is characterised in that: the fixed plate (5) Middle part is rotatably connected to output axis (7), and the inside for exporting axis (7) is equipped with hexagonal connecting shaft (9) compatible hexagonal card The outer end of slot, the driven axis (8) also is provided with hexagonal card slot.

3. a kind of medical fluid mixing peristaltic pump according to claim 2, it is characterised in that: the hub cap (21) it is interior Portion is equipped with driven axis (8) compatible through-hole (22).

4. a kind of medical fluid mixing peristaltic pump according to claim 1, it is characterised in that: each hub cap (21) Lateral wall on be equipped with card slot (23), offered on the rear wall of each pump head (2) with card slot (23) compatible annular Strip.

5. a kind of medical fluid mixing peristaltic pump according to claim 1, it is characterised in that: each briquetting (12) On be equipped with pre- mark closely.

6. a kind of medical fluid mixing peristaltic pump according to claim 1, it is characterised in that: the hose (6) it is straight Diameter is 2-4 centimetres.