CN206860386U

CN206860386U - A kind of multichannel one-piece piston pump

Info

Publication number: CN206860386U
Application number: CN201720434724.6U
Authority: CN
Inventors: 韦保娟; 陈善华; 蒋瑞; 唐明明
Original assignee: Shenzhen Aikang Medtech Co Ltd
Current assignee: Shenzhen Aikang Medtech Co Ltd
Priority date: 2017-04-24
Filing date: 2017-04-24
Publication date: 2018-01-09
Anticipated expiration: 2027-04-24

Abstract

The utility model discloses a kind of multichannel one-piece piston pump for suction liquid, its remarkable result is the requirement for the liquid suction that can adapt in medical experiment while carry out more multichannel, the requirement that especially conventional art such as 16 passages, 32 passages, 96 passages can not easily reach, the multichannel suction liquid of integral type improves the efficiency of work and the precision of suction liquid measure, it is easy to expand number of channels, and low processing cost by the utility model using piston main body made of ABS plastic material simultaneously.

Description

A kind of multichannel one-piece piston pump

Technical field

The utility model belongs to medicine equipment automation experiment technical field, more particularly to

A kind of multichannel one-piece piston pump for suction liquid.

Background technology

The various liquid of suction, including sample, reagent, quality-control product etc. are frequently necessary to during medical experiment is carried out, at present On automedica experimental facilities, using most common suction liquid mode be set in automatic transfer arm it is multiple independent Pump, which cooperates, carries out the liquid suction of multichannel, makes following three prominent question in this way be present：First, in order to ensure The accuracy of the suction liquid measure of experiment, level height, mutual gap between multiple pumps all have higher requirements, and this is to Product Assembly All it is a kind of challenge with performance adjustment；Second, in order to ensure the precision of suction liquid measure, producer usually needs to use high-precision pump, Such as Mini gear pump, cause higher production cost；Third, in order to improve efficiency, once the passage of suction liquid is needed simultaneously When quantity exceedes certain radix, such as when 16 passages, 32 passages, 96 passages while suction liquid, this installation self-contained pump Method be difficult to accomplish in production technology, cost can be very high, therefore, it is necessary to one kind can guarantee that suction liquid measure precision again The one-piece piston pump of the energy suction liquid of multichannel progress simultaneously.

The content of the invention

To solve above technical problem, the utility model provides a kind of multichannel one-piece piston pump.

Technical scheme is as follows：A kind of multichannel one-piece piston pump, including rectangle piston main body made of ABS plastic, institute The top for stating piston main body is provided with a motor, and synchronous pulley, the timing belt are provided with the rotating shaft of motor One closed ring-shaped synchronous belt is set on wheel, two symmetrical screw mandrels are provided with the inside of the left and right ends of the timing belt, One fixed seat is set between described two symmetrical screw mandrels, and described two symmetrical screw mandrels are separately positioned on a left side for fixed seat Right both ends, two symmetrical screw mandrel fixed seats are set described two symmetrical screw mandrel lower ends, it is equal at the middle part of the fixed seat Some piston rods of even setting, the piston rod insert in piston main body the cylindrical cavity being correspondingly arranged from piston main body top It is interior, several adapters are uniformly arranged in the bottom of the piston main body, the adapter is fixed on corresponding cylindrical cavity Lower end, sets a firm banking below the adapter, and described two symmetrical screw mandrel fixed seats are fixed on the fixation Base upper surface, several described adapters run through the middle of the base and fixation, when motor rotates, pass through synchronization from top to bottom The transmission of band and screw mandrel, piston rod is driven to be moved downward or upward in the cylindrical cavity of piston main body.

A kind of multichannel one-piece piston pump, it is characterised in that：The piston main body is the ABS plastic block of rectangle, wherein Portion is evenly arranged with several cylindrical cavities corresponding with piston rod, is made using ABS plastic and is easy to extension processing, producer can be with Easily expand the sectional area up and down of piston main body as needed to increase the number of cylindrical cavity, realize expand 16 passages, The purpose of the multichannels such as 32 passages, 96 passages while suction liquid, and cost is relatively low.

A kind of multichannel one-piece piston pump, it is characterised in that：Connect in the ring-shaped synchronous belt with motor rotating shaft Tactile side outer wall is symmetrical arranged the tensioning wheel of two position adjustables, and the tensioning wheel lower end is arranged in flat board fixed seat and set Waist-shaped hole in, by adjusting position of the tensioning wheel in waist-shaped hole, the tightness of timing belt can be adjusted, be easy to safeguard, Caused mismatch error between moving component, improves service life after elimination longtime running.

A kind of multichannel one-piece piston pump, it is characterised in that：Set in each cylindrical cavity upper end of piston main body One sealing ring, plate sealing together is set in the upper end of the sealing ring, and one piece of portable plate is set in the upper end of the sealing plate, The piston rod sequentially passes through portable plate, sealing plate and sealing ring from top to bottom, and the upper end of the piston rod is fixed on portable plate On, the portable plate is fixed on the contact position of fixed seat lower surface, program energy sealing piston bar and cylindrical cavity, prevents piston Gas when bar moves in cylindrical cavity is revealed from contact position.

A kind of multichannel one-piece piston pump, it is characterised in that：Consolidated among symmetrically arranged two screw mandrels by U-shaped Reservation connects, and the screw mandrel drives U-shaped fixed seat to move downward or upward, and the U-shaped fixed seat is by being fixed on lower surface Portable plate drives all piston rods to move together, using the program, the motion of one piece of portable plate can be utilized to realize easily and led to more The action in road while suction liquid, without to be that each piston rod is equipped with independent motor.

The beneficial effect of utility model is：Using a kind of multichannel one-piece piston pump of above technical scheme, Neng Goushi Answer in medical experiment while carry out the requirement of the liquid suction of more multichannel, passed especially such as 16 passages, 32 passages, 96 passages The requirement that system technology can not easily reach, the multichannel suction liquid of integral type improve the efficiency of work and the essence of suction liquid measure Accuracy, while expansion number of channels, and processing cost are easy to by the utility model using piston main body made of ABS plastic material It is cheap.

Brief description of the drawings

Fig. 1 the utility model superstructure schematic diagrames.

Fig. 2 the utility model substructure schematic diagrames.

Fig. 3 the utility model substructure profiles.

Fig. 4 the utility model piston main body structural representations.

Embodiment

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.

As shown in figure 1, a kind of multichannel one-piece piston pump, superstructure includes motor 1, synchronous pulley 2, synchronization With 3, tensioning wheel 4, flat board fixed seat 5, the big hole 6 for being arranged on the middle part of flat board fixed seat 5, it is arranged in flat board fixed seat 5 Waist-shaped hole 7, the small sircle hole 8 for being arranged on the both ends of flat board fixed seat 5, L-shaped control panel fixed seat 9 and control panel 10, wherein：

Motor 1 is in plumbness, the rotating shaft of the motor 1 down, in the rotating shaft of the motor 1 Set a synchronous pulley 2, on the synchronous pulley 2 set a closed ring-shaped synchronous belt 3, the synchronizing wheel 2 with The side outer wall symmetric position that the rotating shaft of motor 1 is connected sets the tensioning wheel 4 of two position adjustables, in the tensioning wheel 4 Bottom one flat plate fixed seat 5 is set, at the middle part of the flat board fixed seat 5, one big hole 6, the synchronous pulley are set 2 are fixed at big hole 6, and the waist-shaped hole 7 of a longitudinal direction is respectively set in the both sides of the big hole 6, and described two tensioning wheels 4 divide It is not arranged at two waist-shaped holes 7, two symmetrical small sircle holes 8 is set respectively at the both ends of the flat board fixed seat 5, described The left end face of safety fixed seat 5 sets a L-shaped control panel fixed seat 9, consolidates in the left side of the L-shaped control panel fixed seat 9 Fixed one piece of control panel 10.

As shown in Figure 2, Figure 3 and Figure 4, a kind of multichannel one-piece piston pump, substructure include screw mandrel 11, synchronizing wheel 12nd, clutch shaft bearing 13, U-shaped fixed seat 14, the circular hole 15 being arranged in fixed seat 14, second bearing 16, screw mandrel fixed seat 17, work Fill in main body 18, the cavity 19 being arranged in piston main body 18, sealing ring 20, sealing plate 21, portable plate 22, piston rod 23, adaptation Device 24, firm banking 25 and the circular port 26 being arranged on firm banking 25, wherein：

The screw mandrel 11 of two plumbness is set below the flat board fixed seat 5, on the top of two screw mandrels 11 One synchronizing wheel 12 is respectively set, and the synchronizing wheel 12 is nibbled through the inwall of corresponding small sircle hole 8 and the timing belt 3 from the bottom up It is combined, one clutch shaft bearing 13 is respectively set in the lower section of the synchronizing wheel 12, the clutch shaft bearing 13 is enclosed on screw mandrel 11, The inwall of clutch shaft bearing 13 engages with the outer wall of screw mandrel 11, sets a U-shaped to fix in the lower section of described two clutch shaft bearings 13 Seat 14, described two clutch shaft bearings 13 are separately fixed at the left and right side of the U-shaped fixed seat 14, in the U-shaped fixed seat 14 Portion is uniformly arranged several circular holes 15, the U-shaped fixed seat 14 lower section set two symmetrical second bearings 16, described two Individual second bearing 16 is respectively fitted over the lower end of described two screw mandrels 11, and two are set in the lower section of the second bearing 16 symmetrically Screw mandrel fixed seat 17, described two second bearings 16 are separately fixed in two screw mandrel fixed seats 17, consolidated in described two screw mandrels One piston main body 18 is set among reservation 17, and corresponding to circular hole 15 in the piston main body 18 is uniformly arranged several cavitys 19, one sealing ring 20 is set in the upper end of the cavity 19, plate 21 sealing together is set in the top of the sealing ring 20, The top of sealing plate 21 sets one piece of portable plate 22, and the portable plate 22 is fixed on the lower surface of U-shaped fixed seat 14, in institute State a piece piston rod 23 of insertion, the piston rod 23 in each circular hole 15 and sequentially pass through portable plate 22, sealing plate 21 from top to bottom With sealing ring 20 and insert in cavity 19, in the bottom of each cavity 19, one adapter 24, the adapter 24 are set For being adapted to the sample needle of suction liquid, one piece of firm banking 25 is set below the adapter 24, in the firm banking Several holes 26 are uniformly arranged on 25, the quantity in the hole 26 is equal with the quantity of piston rod 23, the adapter 24 through pair The hole 26 answered and fixation.

In experimentation, control panel 10 controls the axis of rotation of motor 1, and motor 1 passes through same in rotating shaft Step belt wheel 2 drives timing belt 3 to move, and timing belt 3 drives screw mandrel 11 to rotate by synchronizing wheel 12, and the screw mandrel 11 drives U-shaped to consolidate Reservation moves along a straight line about 14, and the U-shaped fixed seat 14 drives piston rod 23 to do piston movement in cavity 19, passes through adapter 24 sample needles being adapted to realize the suction function to liquid.

Described above is only two kinds of preferred embodiments of the utility model, for the technical staff of correlation, is not being taken off On the premise of from the principle of the invention, some expand can also be made and improve or modify, these expand improvement and modification also should be regarded as Protection scope of the present invention.

Claims

1. a kind of multichannel one-piece piston pump, including rectangle piston main body made of ABS plastic（18）, it is characterised in that：Institute State piston main body（18）Top be provided with a motor（1）, motor（1）Rotating shaft on be provided with synchronous pulley （2）, the synchronous pulley（2）One closed ring-shaped synchronous belt of upper setting（3）, in the timing belt（3）Left and right ends it is interior Side is provided with two symmetrical leading screws（11）, in two symmetrical leading screws（11）Between set a fixed seat（14）, institute State two symmetrical leading screws（11）It is separately positioned on fixed seat（14）Left and right ends, in two symmetrical leading screws（11）Under End sets two symmetrical leading screw fixed seats（17）, in the leading screw fixed seat（17）Middle part be uniformly arranged some piston rods （23）, the piston rod（23）From piston main body（18）Piston main body is inserted on top（18）In the cylindrical cavity that is correspondingly arranged（19） It is interior, in the piston main body（18）Bottom be uniformly arranged several adapters（24）, the adapter（24）It is fixed on correspondingly Cylindrical cavity（19）Lower end, in the adapter（24）Lower section sets a firm banking（25）, it is described two symmetrical Leading screw fixed seat（17）It is fixed on the firm banking（25）Upper surface, several described adapters（24）From top to bottom through solid Determine base（25）Middle part and fixation, motor（1）During rotation, pass through timing belt（3）, synchronizing wheel（12）And leading screw（11）Biography It is dynamic, drive piston rod（23）In piston main body（18）Cylindrical cavity（19）Inside move downward or upward.

A kind of 2. multichannel one-piece piston pump according to claim 1, it is characterised in that：The piston main body（18）For The ABS plastic block of rectangle, its middle part are evenly arranged with 16 to 96 and piston rod（23）Corresponding cylindrical cavity（19）.

A kind of 3. multichannel one-piece piston pump according to claim 1, it is characterised in that：In the ring-shaped synchronous belt （3）With motor（1）The side outer wall that rotating shaft is in contact is symmetrical arranged the tensioning wheel of two position adjustables（4）, the tensioning Wheel（4）Lower end is arranged on flat board fixed seat（5）The waist-shaped hole of upper setting（7）In, by adjusting tensioning wheel（4）In waist-shaped hole（7） In position, the tightness of timing belt can be adjusted.

A kind of 4. multichannel one-piece piston pump according to claim 1, it is characterised in that：In piston main body（18）It is every One cylindrical cavity（19）Upper end sets a sealing ring（20）, in the sealing ring（20）Upper end plate sealing together is set （21）, in the sealing plate（21）Upper end set one piece of portable plate（22）, the piston rod（23）Sequentially pass through from top to bottom Portable plate（22）, sealing plate（21）And sealing ring（20）, the piston rod（23）Upper end be fixed on portable plate（22）On, it is described Portable plate（22）It is fixed on flat board fixed seat（5）Lower surface.

A kind of 5. multichannel one-piece piston pump according to claim 1, it is characterised in that：Described symmetrically arranged two Leading screw（11）Centre passes through U-shaped fixed seat（14）Connection, the leading screw（11）Drive U-shaped fixed seat（14）Transport downward or upward It is dynamic, the U-shaped fixed seat（14）By the portable plate for being fixed on lower surface（22）Drive all piston rods（23）Move together.