CN207981216U - A kind of pipettor for continuously detecting - Google Patents

Abstract

The utility model discloses a kind of pipettors for continuously detecting, including liquid-transfering device, liquid in-out control device, liquid distributing device, device for storing liquid；Liquid-transfering device includes cylinder barrel, and piston, piston rod are housed in cylinder barrel, head cover is equipped on cylinder barrel, position on piston rod between head cover and piston is set with resetting spring, it is connected with fixed handle on cylinder barrel, flexible handle is hinged with above fixed handle, piston rod is connected with flexible handle；Liquid in-out control device includes upper connector, lower connector, side connecting tube, it is screwed with branch sleeve in the connecting tube of side, first sphere, the first spring are installed in branch sleeve, the end of lower connector is equipped with lower union joint, lower union joint is equipped with lower stomidium, second sphere, second spring are installed, liquid distributing device has an inlet tube being connected and multiple separating tubes in lower stomidium.The utility model can realize continuous liquid relief, once can detect more parts of milk samples, and working efficiency is higher, using easy to operate.

Description

A kind of pipettor for continuously detecting

Technical field

The utility model is related to a kind of pipettors for continuously detecting.

Background technology

It when cow subclinical mastitis detects, needs that milk sample will be detected, there are four breast for each cow head, need to adopt Collect four parts of milk samples, be required for that CMT detection liquid is added in every part of milk sample, accurately to judge that disease occurs in which breast of which cow head Disease.It often detects a cow head to need to draw four detection liquid, then these detection liquid is added separately in four parts of milk samples.For rule For the pasture of modelling cultivation, CMT detections have no small workload.

Invention content

The purpose of this utility model is to provide after one kind can continuously draw detection liquid, absorption once to examine regarding to the issue above Survey the pipettor for continuously detecting of more parts of samples.

In order to achieve the above objectives, the utility model includes liquid-transfering device, liquid in-out control device, liquid distributing device, liquid storage Device；The liquid-transfering device includes the cylinder barrel of upper end opening, and the bottom of cylinder barrel is equipped with cylinder bottom connecting tube, work is equipped in cylinder barrel It fills in, piston rod is connected on piston, head cover is installed on cylinder barrel, head cover is equipped with through-hole, and piston rod passes through the through-hole on head cover, Position on piston rod between head cover and piston is set with resetting spring, and fixed handle, fixed handle are connected on cylinder barrel Top be equipped with flexible handle, lug there are one the fixed handle side opposite with flexible handle is each, two lugs are hinged, One end that flexible handle stretches at cylinder barrel is equipped with the long connecting hole extended along its length, and the upper end of piston rod passes through long connect It is screwed with adjusting nut after connecing hole；Liquid in-out control device includes interconnected upper connector, lower connector, side connection Pipe, upper connector are connected with cylinder bottom connecting tube, branch sleeve are screwed in the connecting tube of side, the outer end of branch sleeve is outer diameter The end-connector formed after diminution, end-connector are connected with device for storing liquid by pipeline, and the endoporus of branch sleeve includes Interior hole section, middle part hole section, the outer hole section to connect successively from inside to outside, the diameter of inner end hole section are more than the diameter of outer hole section, middle part Hole section is tapered, and the first sphere that diameter is more than outer hole section diameter is equipped in branch sleeve, first is equipped in branch sleeve The both ends of spring, the first spring act against the first sphere on the end face of side connecting tube respectively, and the end of lower connector is equipped with outer Diameter expands the lower union joint to be formed, and the end face of lower union joint is equipped with the lower stomidium being connected with the endoporus of lower connector, lower end The bottom hole position in hole is tapered, and the bottom end cover for blocking lower stomidium is equipped on lower union joint, on bottom end cover there is base to connect It takes over, the second sphere, second spring is installed in lower stomidium, the both ends of second spring act against the second sphere and bottom end cover respectively On；There is the liquid distributing device inlet tube being connected and multiple separating tubes, inlet tube to be connected with base connecting tube.

With the above structure, use when can fixed handle dominated by hand, flexible handle, when human hand is held with a firm grip, movable hand Handle lifts piston rod upwards, and the active force of piston overpowers resetting spring moves upwards, and the detection liquid in device for storing liquid is from end Connector enters branch sleeve, and the resistance exercise of the first spring is overcome into the first sphere of liquid-driving of branch sleeve, detection Liquid continues on side connecting tube, upper connector enters in cylinder barrel, and when human hand unclamps, piston is downward under the action of resetting spring It moves, the detection liquid in cylinder barrel is entered along upper connector, lower connector in lower stomidium, into the promotion second in lower stomidium Sphere overcomes the resistance exercise of second spring, and detection liquid continues on lower stomidium and enters liquid distributing device, and the final liquid that detects is from each A separating tube instills in each milk sample, in addition, by rotating adjusting nut, the uptake for detecting liquid is adjustable, more convenient to use.

The liquid distributing device includes liquid separation disk, in liquid separation disk there is liquid separation chamber, the inlet tube to be located at the top of liquid separation disk Center is simultaneously connected with liquid separation chamber, and there are four the outlet tube being connected to liquid separation chamber, the liquid separations for the bottom part ring cloth of liquid separation disk Pipe is connected with outlet tube.Liquid distributing device tool is there are four outlet tube, and there are four separating tube, a head of cattle to acquire four parts for corresponding installation Milk sample just corresponds to four separating tubes, that is to say, that utility model works once just complete the milk sample detection of a head of cattle, make With very convenient, four outlet tubes of the liquid distributing device are identical at a distance from inlet tube, and the detection liquid stream output of each separating tube is The same.

The upper end of the separating tube is equipped with the top connector that enlarged outside diameter is formed, and top connector upper end is equipped with and liquid separation The top connecting hole that the endoporus of pipe is connected, outlet tube are equipped with external screw thread, and top connecting hole has internal thread, top connector It is screwed on outlet tube.With the above structure, the installation and removal of separating tube are all more convenient, convenient for removing cleaning.

The device for storing liquid includes liquid storage bottle, and bottle cap is equipped on liquid storage bottle, and the middle part of bottle cap is equipped with middle through-hole, middle part Pipette is inserted in through-hole, and liquid flow siphunculus, the lower end of pipette are connected between the upper end and end-connector of pipette It stretches in liquid storage bottle, multiple air holes is equipped with around middle through-hole on bottle cap, pipette, which is equipped with, all to cover air hole The annular gear edge of lid.With the above structure, pipette can above be carried slightly when work so that leave the upper of bottle cap in annular gear edge End face a distance, air hole can breathe freely into liquid storage bottle, and convenient for the absorption of detection liquid, when standing can push pipette, make For annular gear along being pressed against on the upper surface of bottle cap, annular gear prevents dust from entering in bottle along air hole is blocked.

The upper binding head that enlarged outside diameter is formed, the endoporus of upper binding head and upper connection are equipped at the nozzle of the upper connector The endoporus of pipe is connected to, and there is the endoporus of upper binding head internal thread, cylinder bottom connecting tube to be equipped with external screw thread, and upper binding head is screwed on cylinder In the connecting tube of bottom.With the above structure, the connection of upper connector and cylinder bottom connecting tube and dismantle it is all more convenient, be convenient for liquid relief The fractionation of device, liquid in-out control device, easy to clean and replacement.

In conclusion the utility model can realize continuous liquid relief, liquid relief once can detect more parts of milk samples, working efficiency compared with Height, and use and operate and is also more convenient.

Description of the drawings

Specific embodiment of the present utility model is further described in detail below in conjunction with the accompanying drawings：

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

Fig. 2 is the structural schematic diagram after line A-A cutting in Fig. 1；

Fig. 3 is the portions the B enlarged drawing in Fig. 1.

Specific implementation mode

With reference to attached drawing, which includes liquid-transfering device 100, liquid in-out control device 200, divides Liquid device 300, device for storing liquid 400；Liquid-transfering device 100 includes the cylinder barrel 1 of upper end opening, and the bottom of cylinder barrel 1 is connected equipped with cylinder bottom Pipe 2 is equipped with piston 3 in cylinder barrel 1, piston rod 4 is connected on piston 3, and head cover 5 is equipped on cylinder barrel 1, and head cover 5 is equipped with logical Hole, piston rod 4 pass through the through-hole on head cover 5, and the position on piston rod 4 between head cover 5 and piston 3 is set with resetting spring 6, fixed handle 7 is connected on cylinder barrel 1, the top of fixed handle 7 is equipped with flexible handle 8, fixed handle 7 and 8 phase of flexible handle To side respectively there are one lug 9, two lugs 9 are hinged, and flexible handle 8 stretches to one end at cylinder barrel 1 and is equipped with along its length The long connecting hole 10 that direction extends is spent, the upper end of piston rod 4 is screwed with adjusting nut 11 after long connecting hole 10；Liquid into Go out the upper connector 12, lower connector 13, side connecting tube 14 that control device 200 includes interconnected, upper connector 12 and cylinder bottom Connecting tube 2 is connected, and is screwed with branch sleeve 15 in side connecting tube 14, and the outer end of branch sleeve 15 is to be formed after reduced diameter End-connector 16, end-connector 16 is connected with device for storing liquid 400 by pipeline, the endoporus of branch sleeve 15 include from The diameter of interior hole section 17, middle part hole section 18, the outer hole section 19 to connect successively from inside to outside, inner end hole section is more than the straight of outer hole section 19 Diameter, middle part hole section 18 is tapered, and the first sphere 20 that diameter is more than 19 diameter of outer hole section, connector sleeve are equipped in branch sleeve 15 First spring 21 is installed, the both ends of the first spring 21 act against the end face of the first sphere 20 and side connecting tube 14 respectively in cylinder 15 On, the end of lower connector 13 is equipped with the lower union joint 22 that enlarged outside diameter is formed, and the end face of lower union joint 22 is equipped with and lower company The bottom hole position of the lower stomidium 23 that the endoporus of take over 13 is connected, lower stomidium 23 is tapered, is equipped with and is used on lower union joint 22 Block the bottom end cover 24 of lower stomidium 23, there is base connecting tube 25 on bottom end cover 24, be equipped in lower stomidium 23 second sphere 26, The both ends of second spring 27, second spring 27 are acted against respectively on the second sphere 26 and bottom end cover 24；Liquid distributing device 300 has phase An inlet tube 28 and multiple separating tubes 29, inlet tube 28 for connection is connected with base connecting tube 25.

This be used for pipettor for continuously detecting when in use can fixed handle 7 dominated by hand, flexible handle 8, when human hand is held When tight, flexible handle 8 lifts piston rod 4 upwards, and piston 3 overcomes the active force of resetting spring 6 to move upwards, device for storing liquid Detection liquid in 400 enters branch sleeve 15 from end-connector 16, into the first sphere of liquid-driving 20 of branch sleeve 15 Overcome the resistance exercise of the first spring 21, detection liquid continues on side connecting tube 14, upper connector 12 enters in cylinder barrel 1, works as people When hand unclamps, piston 3 moves downward under the action of resetting spring 6, and the detection liquid in cylinder barrel 1 is along upper connector 12, lower company Take over 13 enters in lower stomidium 23, overcomes the resistance of second spring 27 to transport into the second sphere of promotion 26 in lower stomidium 23 Dynamic, detection liquid continues on lower stomidium 23 and enters liquid distributing device 300, and the final liquid that detects instills each milk from each separating tube 29 In sample, in addition, by rotating adjusting nut 11, the uptake for detecting liquid is adjustable, more convenient to use.

In the present embodiment, liquid distributing device 300 includes liquid separation disk 30, in liquid separation disk 30 there is liquid separation chamber 31, inlet tube 28 to set Liquid separation disk 30 top center and be connected with liquid separation chamber 31, the bottom part ring cloth of liquid separation disk 30 there are four and liquid separation chamber 31 The outlet tube 32 of connection, separating tube 29 are connected with outlet tube 32.There are four outlet tubes 32 for the tool of liquid distributing device 300, corresponding to pacify There are four separating tube 29, a head of cattle to acquire four parts of milk samples for dress, just corresponds to four separating tubes 29, that is to say, that this is used to continuously examine The primary milk sample detection for just completing a head of cattle of the pipettor work of survey, very easy to use, four of the liquid distributing device 300 go out Liquid pipe 32 is identical at a distance from inlet tube 28, and the detection liquid stream output of each separating tube 29 is the same.

Device for storing liquid 400 includes liquid storage bottle 35, and bottle cap 36 is equipped on liquid storage bottle 35, and the middle part of bottle cap 36 is logical equipped with middle part Hole 37, middle through-hole 37 is interior to insert pipette 38, and liquid flow is connected between the upper end and end-connector 16 of pipette 38 The lower end of siphunculus 39, pipette 38 is stretched in liquid storage bottle 35, and multiple air holes 40 are equipped with around middle through-hole 37 on bottle cap 36, Pipette 38 is equipped with the annular gear that can all cover air hole 40 along 41.It with the above structure, can be by imbibition when work Pipe 38 above carries slightly so that upper surface a distance that annular gear leaves bottle cap 36 along 41, air hole 40 can be into liquid storage bottle 35 Ventilative, convenient for the absorption of detection liquid, when standing, can push pipette 38, the upper surface for making annular gear be pressed against bottle cap 36 along 41 On, annular gear blocks air hole 40 along 41, prevents dust from entering in bottle.

In order to realize that the connection between separating tube 29 and outlet tube 32, the upper end of separating tube 29 are equipped with what enlarged outside diameter was formed Top connector 33,33 upper end of top connector are equipped with the top connecting hole 34 being connected with the endoporus of separating tube 29, outlet tube 32 are equipped with external screw thread, and there is top connecting hole 34 internal thread, top connector 33 to be screwed on outlet tube 32.Using above-mentioned knot After structure, the installation and removal of separating tube 29 are all more convenient, convenient for removing cleaning.

In order to realize the connection between upper connector 12 and cylinder bottom connecting tube 2, outer diameter is equipped at the nozzle of upper connector 12 Expand the upper binding head 42 formed, the endoporus of upper binding head 42 is connected to the endoporus of upper connector 12, the endoporus of upper binding head 42 With internal thread, cylinder bottom connecting tube 2 is equipped with external screw thread, and upper binding head 42 is screwed in a bottom connecting tube 2.Using the above structure Afterwards, the connection of upper connector 12 and cylinder bottom connecting tube 2 and dismantle it is all more convenient, convenient for liquid-transfering device 100, liquid disengaging control The fractionation of device 200, easy to clean and replacement.

In conclusion the utility model is not limited to above-mentioned specific implementation mode.Those skilled in the art are not departing from this reality Under the premise of with novel spirit and scope, several change and modification can be done, it is new that all these variations should all fall into this practicality The protection domain of type.

Claims (5)

1. a kind of pipettor for continuously detecting, it is characterized in that the pipettor for being used to continuously detect includes liquid-transfering device （100）, liquid in-out control device（200）, liquid distributing device（300）, device for storing liquid（400）；The liquid-transfering device（100）Including The cylinder barrel of upper end opening（1）, cylinder barrel（1）Bottom be equipped with cylinder bottom connecting tube（2）, cylinder barrel（1）Piston is inside installed（3）, piston （3）On be connected with piston rod（4）, cylinder barrel（1）On head cover is installed（5）, head cover（5）It is equipped with through-hole, piston rod（4）Across top Lid（5）On through-hole, piston rod（4）It is upper to be located at head cover（5）With piston（3）Between position be set with resetting spring（6）, cylinder barrel （1）On be connected with fixed handle（7）, fixed handle（7）Top be equipped with flexible handle（8）, fixed handle（7）With flexible handle （8）Respectively there are one lugs for opposite side（9）, two lugs（9）It is hinged, flexible handle（8）Stretch to cylinder barrel（1）The one of place End is equipped with the long connecting hole extended along its length（10）, piston rod（4）Upper end pass through long connecting hole（10）Spiral shell fills afterwards There is adjusting nut（11）；Liquid in-out control device（200）Including interconnected upper connector（12）, lower connector（13）、 Side connecting tube（14）, upper connector（12）With cylinder bottom connecting tube（2）It is connected, side connecting tube（14）On be screwed with branch sleeve （15）, branch sleeve（15）Outer end be the end-connector that is formed after reduced diameter（16）, end-connector（16）With storage Liquid device（400）It is connected by pipeline, branch sleeve（15）Endoporus include the interior hole section to connect successively from inside to outside（17）、 Middle part hole section（18）, outer hole section（19）, the diameter of inner end hole section is more than outer hole section（19）Diameter, middle part hole section（18）In cone Shape, branch sleeve（15）Diameter is inside installed and is more than outer hole section（19）First sphere of diameter（20）, branch sleeve（15）Interior peace Equipped with the first spring（21）, the first spring（21）Both ends act against the first sphere respectively（20）With side connecting tube（14）End face On, lower connector（13）End be equipped with enlarged outside diameter formed lower union joint（22）, lower union joint（22）End face be equipped with With lower connector（13）The lower stomidium that is connected of endoporus（23）, lower stomidium（23）Bottom hole position it is tapered, lower union joint （22）On be equipped with for blocking lower stomidium（23）Bottom end cover（24）, bottom end cover（24）It is upper that there is base connecting tube（25）, under Stomidium（23）Second sphere is inside installed（26）, second spring（27）, second spring（27）Both ends act against the second ball respectively Body（26）With bottom end cover（24）On；The liquid distributing device（300）With an inlet tube being connected（28）With multiple separating tubes （29）, inlet tube（28）With base connecting tube（25）It is connected.

2. the pipettor according to claim 1 for continuously detecting, it is characterized in that the liquid distributing device（300）Including dividing Liquid disk（30）, liquid separation disk（30）It is interior that there is liquid separation chamber（31）, the inlet tube（28）It is located at liquid separation disk（30）Top center position Set and with liquid separation chamber（31）It is connected, liquid separation disk（30）Bottom part ring cloth there are four with liquid separation chamber（31）The outlet tube of connection （32）, the separating tube（29）With outlet tube（32）It is connected.

3. the pipettor according to claim 2 for continuously detecting, it is characterized in that the separating tube（29）Upper end set There is the top connector that enlarged outside diameter is formed（33）, top connector（33）Upper end is equipped with and separating tube（29）Endoporus be connected Top connecting hole（34）, outlet tube（32）It is equipped with external screw thread, top connecting hole（34）With internal thread, top connector （33）It is screwed on outlet tube（32）On.

4. the pipettor according to claim 1 for continuously detecting, it is characterized in that the device for storing liquid（400）Including storage Liquid bottle（35）, liquid storage bottle（35）On bottle cap is installed（36）, bottle cap（36）Middle part be equipped with middle through-hole（37）, middle through-hole （37）Interior inserting pipette（38）, pipette（38）Upper end and end-connector（16）Between be connected with liquid flow siphunculus （39）, pipette（38）Lower end stretch to liquid storage bottle（35）It is interior, bottle cap（36）It is upper to surround middle through-hole（37）It is equipped with multiple Stomata（40）, pipette（38）Being equipped with can be by air hole（40）The annular gear edge all covered（41）.

5. the pipettor according to claim 1 for continuously detecting, it is characterized in that the upper connector（12）Nozzle Place is equipped with the upper binding head that enlarged outside diameter is formed（42）, upper binding head（42）Endoporus and upper connector（12）Endoporus connection, Upper binding head（42）Endoporus have internal thread, cylinder bottom connecting tube（2）It is equipped with external screw thread, upper binding head（42）It is screwed on a bottom Connecting tube（2）On.