CN209302791U - A kind of multichannel pipettor of adjustable digital - Google Patents

Abstract

The utility model discloses a kind of multichannel pipettors of adjustable digital, including handle tube, the bottom of handle tube is fixedly connected with ozzle conical Shell, the bottom of ozzle conical Shell is fixedly connected with multiple ozzle outlet pipes, the top of handle tube is inserted with catch bar, the surface of catch bar is slidably connected with handle tube, and the side of handle tube is fixedly installed with display glass luffer boards.The multichannel pipettor of the adjustable digital, by utilizing catch bar when pushing displacement, drive fixed sleeving displacement, its fixes sleeve is driven on fixed link vertical direction to be displaced, then the rotation of rotating bar is fitted through again, its rotary fluted disc is set to drive the displacement of fixed link vertical direction, to reach while pushing piston press liquid to drive reading mark slide calliper rule reading, it can also be according to the demand of experimenter while not moving promotion piston (not transfer liquid), adjust the effect read on reading mark slide calliper rule, in order to which experimenter preferably calculates the purpose of dosage.

Description

A kind of multichannel pipettor of adjustable digital

Technical field

The utility model relates to multichannel pipettor technical field, specially a kind of multichannel pipettor of adjustable digital.

Background technique

Multichannel pipettor is usually used in that laboratory is a small amount of or micro liquid pipettes, and the pipettor of different size matches not With the pipette tips of size, the shape of different manufacturer's productions is also slightly different, but working principle and operating method are almost the same, move Liquid device category precision instrument uses and is intended to careful when storing, prevents from damaging, avoid influencing its range.

Currently, the multichannel pipettor of experiment when pipetting liquid, typically reads liquid to it by reading item Amount of storage, still, existing multichannel pipettor are the readings that can not adjust reading item, so that operator seems when in use Some are stiff, need repeatedly to read the reading for pipetting liquid and calculate it, certain trouble is brought to laboratory technician.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of multichannel pipettor of adjustable digital, solves existing Multichannel pipettor be can not adjust reading item reading, so that operator causes certain trouble when in use and asks Topic.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of multichannel pipettor of adjustable digital, packet Handle tube is included, the bottom of the handle tube is fixedly connected with ozzle conical Shell, and the bottom of the ozzle conical Shell is fixed to be connected Multiple ozzle outlet pipes are connected to, the top of the handle tube is inserted with the first catch bar, the surface of first catch bar and handle Pipe is slidably connected, and the side of the handle tube is fixedly installed with display glass luffer boards, and first catch bar is located in handle tube The bottom of chamber is fixedly connected with promotion piston, and the surface fixing sleeve that first catch bar is located at handle tube cavity is connected to fixing sleeve Pipe, the inner wall of the handle tube are fixedly connected with sealing plate, and the surface of first catch bar and the inner wall of sealing plate slide and connect It connecing, the inner wall on the right side of the handle tube is fixedly connected with positioning pipe, and the inner ring sliding sleeve of the positioning pipe is connected to reading mark slide calliper rule, Connecting rod is fixedly connected on the right side of the fixed sleeving, the partition of the handle tube cavity offers what mating connection bar used Sliding slot, the right side of the fixed sleeving on the left of connecting rod and fixes sleeve by being fixedly connected, the inner ring of the fixes sleeve It is slidably socketed at the top of the surface of reading mark slide calliper rule, reading mark slide calliper rule and is fixedly connected with motion block, it is described with motion block Top is fixedly connected with fixed link, and the front of the fixed link offers gear grooved, described with being fixedly connected with two at the top of motion block A second catch bar, the surface of the fixed link have been slidably socketed spacing collar, the inner wall of the spacing collar and fixed link Surface is slidably connected, and the two sides of the spacing collar are fixedly connected with the side of the second catch bar respectively, the spacing collar Front offer opening, the front of the fixed link is engaged by opening up opening on spacing collar with the teeth of rotary fluted disc, It is fixedly connected with rotating bar on the right side of the rotary fluted disc, sliding shoe, the hand are fixedly connected on the right side of the fixes sleeve The right side opening of handle pipe is equipped with the wears groove for cooperating rotating bar and sliding shoe to use, and extends through the handle pipe right side opening on the right side of the rotating bar If wears groove, and extend to the outside of handle tube, the wears groove on the right side of pipe, and end and branch extended through the handle on the right side of the sliding shoe It is fixedly connected on the left of fagging, support plate is run through on the surface on the right side of the rotating bar, the surface of the rotating bar and support plate Inner wall is rotatablely connected, and is fixedly connected with resistance casing on the right side of the rotating bar, is fixedly connected at the top of the support plate perpendicular Block, is fixedly connected to transverse slat on the right side of the vertical block and support plate, and the middle part of the transverse slat is through having pressure ram, the extruding The surface of bar and the inner wall of transverse slat are slidably connected, and the pressure ram is fixedly connected with semi-circular close to the side of resistance casing axis Card bit pipe, the annular inner wall of the semi-circular card bit pipe is squeezed with the surface of resistance casing to be contacted, the surface set of the pressure ram There is compressed spring, the both ends of the compressed spring are fixed with the annular outer wall of the surface of transverse slat and semi-circular card bit pipe respectively to be connected It connects.

Preferably, sealing ring pad is fixedly connected at the top of the sealing plate, the inner wall of the sealing ring pad is pushed away with first The surface of lever is slidably socketed.

Preferably, it is fixedly connected with color cap at the top of first catch bar, is fixedly connected at the top of the fixed link Limit plate.

Preferably, the surface pivots of the rotating bar are socketed with protection sleeve, and the surface of the protection sleeve passes through handle Wears groove on the right side of pipe.

Preferably, it is fixedly connected with rotating cap on the right side of the resistance casing, the pressure ram is far from resistance casing axis Side be fixedly connected with pulling plate.

(3) beneficial effect

The utility model provides a kind of multichannel pipettor of adjustable digital.Have it is following the utility model has the advantages that

(1), the multichannel pipettor of the adjustable digital by the setting of promotion piston and fixed sleeving, sealing plate, is determined Position pipe, reading mark slide calliper rule, fixes sleeve, band motion block, catch bar, spacing collar, fixed link, rotary fluted disc, rotating bar, sliding Block, support plate, resistance casing, vertical block, transverse slat, pressure ram, compressed spring and semi-circular card bit pipe are used cooperatively, to play Using catch bar when pushing displacement, fixed sleeving displacement is driven, its fixes sleeve is then made to drive fixed link vertical direction Then upper displacement fits through the rotation of rotating bar again, so that its rotary fluted disc is driven the displacement of fixed link vertical direction, to reach While pushing piston press liquid to drive reading mark slide calliper rule reading, also promotion can not be being moved according to the demand of experimenter While piston (not transfer liquid), the effect read on reading mark slide calliper rule is adjusted, in order to which experimenter preferably calculates dosage Purpose.

Detailed description of the invention

Fig. 1 is the utility model texture edge schematic diagram；

Fig. 2 is the utility model structure front internal cross section schematic diagram；

Fig. 3 is the utility model structure partial full-page proof schematic diagram；

Fig. 4 is enlarged diagram at the A of the utility model structure chart 3；

Fig. 5 is enlarged diagram at the B of the utility model structure chart 4；

Fig. 6 is enlarged diagram at the C of the utility model structure chart 4.

In figure: 1, handle tube；2, ozzle conical Shell；3, ozzle outlet pipe；4, the first catch bar；5, glass luffer boards are shown； 6, color cap；7, piston is pushed；8, fixed sleeving；9, sealing plate；10, sealing ring pad；11, positioning pipe；12, reading mark slide calliper rule；13, Fixes sleeve；14, band motion block；15, the second catch bar；16, spacing collar；17, fixed link；18, limit plate；19, rotary fluted disc； 20, rotating bar；21, sliding shoe；22, support plate；23, sleeve is protected；24, resistance casing；25, rotating cap；26, vertical block；27, horizontal Plate；28, pressure ram；29, compressed spring；30, pulling plate；31, semi-circular card bit pipe.

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.

As shown in figures 1 to 6, the utility model provides a kind of technical solution: a kind of multichannel pipettor of adjustable digital, including Handle tube 1, the bottom of handle tube 1 are fixedly connected with ozzle conical Shell 2, and the bottom of ozzle conical Shell 2 is fixedly connected with more The top of a ozzle outlet pipe 3, handle tube 1 connects inserted with the first catch bar 4, the surface of the first catch bar 4 and the sliding of handle tube 1 It connects, the top of the first catch bar 4 is fixedly connected with color cap 6, by the setting of color cap 6, to play convenient for pushing first to push away The effect of lever 4, the side of handle tube 1 are fixedly installed with display glass luffer boards 5, and the first catch bar 4 is located at 1 inner cavity of handle tube Bottom, which is fixedly connected with, pushes piston 7, and the surface fixing sleeve that the first catch bar 4 is located at 1 inner cavity of handle tube is connected to fixed sleeving 8, The inner wall of handle tube 1 is fixedly connected with sealing plate 9, and the surface of the first catch bar 4 and the inner wall of sealing plate 9 are slidably connected, sealing The top of plate 9 is fixedly connected with sealing ring pad 10, and the inner wall of sealing ring pad 10 and the surface of the first catch bar 4 are slidably socketed, and leads to The setting of sealing ring pad 10 is crossed, to play the effect for reinforcing 1 inner sealing of handle tube, the inner wall on 1 right side of handle tube is solid Surely it is connected with positioning pipe 11, the inner ring sliding sleeve of positioning pipe 11 is connected to reading mark slide calliper rule 12, and the right side of fixed sleeving 8 is fixedly connected There is connecting rod, the partition of 1 inner cavity of handle tube offers the sliding slot that mating connection bar uses, and the right side of fixed sleeving 8 passes through connection Bar is fixedly connected with the left side of fixes sleeve 13, and the inner ring of fixes sleeve 13 is slidably socketed on the surface of reading mark slide calliper rule 12, is read The top of number mark slide calliper rule 12 is fixedly connected with band motion block 14, and the top with motion block 14 is fixedly connected with fixed link 17, fixed link 17 Front offer gear grooved, the top with motion block 14 is fixedly connected with two the second catch bars 15, the surface sliding of fixed link 17 It is socketed with spacing collar 16, the inner wall of spacing collar 16 and the surface of fixed link 17 are slidably connected, and the top of fixed link 17 is fixed It is connected with limit plate 18, by the setting of limit plate 18, so that the effect that limitation fixed link 17 is displaced is played, spacing collar 16 Two sides be fixedly connected respectively with the side of the second catch bar 15, the front of spacing collar 16 offers opening, fixed link 17 Front engage by opening up opening on spacing collar 16 with the teeth of rotary fluted disc 19, the right side fixation company of rotary fluted disc 19 It is connected to rotating bar 20, the right side of fixes sleeve 13 is fixedly connected with sliding shoe 21, and the right side opening of handle tube 1 is equipped with cooperation rotating bar 20 and the wears groove that uses of sliding shoe 21, the right side of rotating bar 20 extends through the handle the wears groove opened up on the right side of pipe 1, and extends to handle tube 1 outside, the surface pivots of rotating bar 20 are socketed with protection sleeve 23, and the surface of protection sleeve 23 passes through 1 right side of handle tube Wears groove, by protecting the setting of sleeve 23, to play the effect of protection rotating bar 20, the right side of sliding shoe 21 is extended through the handle The wears groove on 1 right side of pipe, and end is fixedly connected with the left side of support plate 22, support plate 22 is run through on the surface on 20 right side of rotating bar, The surface of rotating bar 20 and the inner wall of support plate 22 are rotatablely connected, and the right side of rotating bar 20 is fixedly connected with resistance casing 24, hinders The right side of power casing 24 is fixedly connected with rotating cap 25, by the setting of resistance casing 24, increases rotating bar to play The effect of 20 stability, by the setting of rotating cap 25, to play convenient for the effect of rotation rotating bar 20, support plate 22 Top be fixedly connected with vertical block 26, the right side of vertical block 26 and support plate 22 is fixedly connected to transverse slat 27, the middle part of transverse slat 27 Through there is pressure ram 28, the surface of pressure ram 28 and the inner wall of transverse slat 27 are slidably connected, and pressure ram 28 is close to 24 axis of resistance casing The side of the heart is fixedly connected with semi-circular card bit pipe 31, and the annular inner wall of semi-circular card bit pipe 31 and the surface of resistance casing 24 are squeezed Press contacts, the surface of pressure ram 28 are cased with compressed spring 29, the both ends of compressed spring 29 respectively with the surface of transverse slat 27 and semi-ring The annular outer wall of shape card bit pipe 31 is fixedly connected, and pressure ram 28 is fixedly connected with pulling plate far from the side in 24 axle center of resistance casing 30, by the setting of pulling plate 30, to play the effect convenient for pulling pressure ram 28.

In use, by 3 alignment test bottle of ozzle outlet pipe, pulling color cap then up when needing shift experiment liquid 6, it drives the first catch bar 4 to shift up, pushes piston 7 to shift up to drive, inhaled liquid using atmospheric pressure principle It is then counter again to push down on color cap 6 in entering to ozzle conical Shell 2, liquid is removed, when needs are not moving promotion piston When adjusting reading while 7 (not transfer liquid), pulls two pulling plates 30 outward first, make its pressure ram 28 position outward It moves, squeezes compressed spring 29, and semi-circular card bit pipe 31 is driven to be displaced outward, make inner wall and the resistance of its semi-circular card bit pipe 31 The surface of power casing 24 separates, then slight rotation rotating cap 25, drives rotating bar 20 to rotate, to make its 20 band of rotating bar Turn active toothed disk 19 rotates, and using being displaced on rotary fluted disc 19 and promotion 17 vertical direction of fixed link, then drives reading mark card 12 upper and lower displacement of ruler, to change the purpose of the size of reading, while the content being not described in detail in this specification belongs to The prior art well known to professional and technical personnel in the field.

It can to sum up obtain, the multichannel pipettor of the adjustable digital, by pushing the setting of piston 7 and fixed sleeving 8, close Sealing plate 9, reading mark slide calliper rule 12, fixes sleeve 13, band motion block 14, the second catch bar 15, spacing collar 16, is fixed positioning pipe 11 Bar 17, rotary fluted disc 19, rotating bar 20, sliding shoe 21, support plate 22, resistance casing 24, vertical block 26, transverse slat 27, pressure ram 28, compressed spring 29 and semi-circular card bit pipe 31 are used cooperatively, and are displaced using the first catch bar 4 pushing to play When, it drives fixed sleeving 8 to be displaced, drives its fixes sleeve 13 on 17 vertical direction of fixed link and be displaced, then cooperate again By the rotation of rotating bar 20, so that its rotary fluted disc 19 is driven the displacement of 17 vertical direction of fixed link, pushed away to reach in satisfaction While the extruding liquid drive reading mark slide calliper rule 12 of piston 7 are read, also promotion work can not be being moved according to the demand of experimenter While filling in 7 (not transfer liquid), the effect read on reading mark slide calliper rule 12 is adjusted, in order to which experimenter preferably calculates dosage Purpose.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

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 (5)

1. a kind of multichannel pipettor of adjustable digital, including handle tube (1), it is characterised in that: the bottom of the handle tube (1) is solid Surely it is connected with ozzle conical Shell (2), the bottom of the ozzle conical Shell (2) is fixedly connected with multiple ozzle outlet pipes (3), institute The top for stating handle tube (1) connects inserted with the first catch bar (4), the surface of first catch bar (4) and handle tube (1) sliding It connects, the side of the handle tube (1) is fixedly installed with display glass luffer boards (5), and first catch bar (4) is located at handle tube (1) bottom of inner cavity, which is fixedly connected with, pushes piston (7), and the surface that first catch bar (4) is located at handle tube (1) inner cavity is solid Surely it is socketed with fixed sleeving (8), the inner wall of the handle tube (1) is fixedly connected with sealing plate (9), first catch bar (4) Surface and the inner wall of sealing plate (9) be slidably connected, the inner wall on the right side of the handle tube (1) is fixedly connected with positioning pipe (11), The inner ring sliding sleeve of the positioning pipe (11) is connected to reading mark slide calliper rule (12), is fixedly connected on the right side of the fixed sleeving (8) Connecting rod, the partition of handle tube (1) inner cavity offer the sliding slot that mating connection bar uses, the right side of the fixed sleeving (8) By being fixedly connected on the left of connecting rod and fixes sleeve (13), the inner ring of the fixes sleeve (13), which is slidably socketed, to be read for side The surface of slide calliper rule (12) is marked, is fixedly connected with band motion block (14), the band motion block (14) at the top of reading mark slide calliper rule (12) Top be fixedly connected with fixed link (17), the front of the fixed link (17) offers gear grooved, the band motion block (14) Top is fixedly connected with two the second catch bars (15), and the surface of the fixed link (17) has been slidably socketed spacing collar (16), institute The surface of the inner wall and fixed link (17) of stating spacing collar (16) is slidably connected, the two sides of the spacing collar (16) respectively with The side of second catch bar (15) is fixedly connected, and the front of the spacing collar (16) offers opening, the fixed link (17) Front engaged by opening up opening on spacing collar (16) with the teeth of rotary fluted disc (19), the right side of the rotary fluted disc (19) Side is fixedly connected with rotating bar (20), is fixedly connected with sliding shoe (21), the handle tube on the right side of the fixes sleeve (13) (1) wears groove that right side opening is equipped with cooperation rotating bar (20) and sliding shoe (21) uses, the right side of the rotating bar (20) is run through The wears groove opened up on the right side of handle tube (1), and the outside of handle tube (1) is extended to, it is extended through the handle on the right side of the sliding shoe (21) The wears groove on the right side of (1) is managed, and is fixedly connected on the left of end and support plate (22), the surface on the right side of the rotating bar (20) is passed through Perforating branches fagging (22), the surface of the rotating bar (20) and the inner wall of support plate (22) are rotatablely connected, the rotating bar (20) Right side is fixedly connected with resistance casing (24), is fixedly connected with vertical block (26), the vertical block at the top of the support plate (22) (26) and on the right side of support plate (22) it is fixedly connected to transverse slat (27), the middle part of the transverse slat (27), which is run through, pressure ram (28), the surface of the pressure ram (28) and the inner wall of transverse slat (27) are slidably connected, and the pressure ram (28) is close to resistance casing (24) side in axle center is fixedly connected with semi-circular card bit pipe (31), the annular inner wall and resistance of the semi-circular card bit pipe (31) The surface of casing (24) squeezes contact, and the surface of the pressure ram (28) is cased with compressed spring (29), the compressed spring (29) Both ends be fixedly connected respectively with the annular outer wall on the surface of transverse slat (27) and semi-circular card bit pipe (31).

2. a kind of multichannel pipettor of adjustable digital according to claim 1, it is characterised in that: the sealing plate (9) Top is fixedly connected with sealing ring pad (10), the inner wall of the sealing ring pad (10) and the surface sliding sleeve of the first catch bar (4) It connects.

3. a kind of multichannel pipettor of adjustable digital according to claim 1, it is characterised in that: first catch bar (4) it is fixedly connected at the top of color cap (6), is fixedly connected with limit plate (18) at the top of the fixed link (17).

4. a kind of multichannel pipettor of adjustable digital according to claim 1, it is characterised in that: the rotating bar (20) Surface pivots are socketed with protection sleeve (23), and the surface of protection sleeve (23) passes through the wears groove on the right side of handle tube (1).

5. a kind of multichannel pipettor of adjustable digital according to claim 1, it is characterised in that: the resistance casing (24) Right side be fixedly connected with rotating cap (25), the pressure ram (28) is fixedly connected with far from the side in resistance casing (24) axle center Pulling plate (30).