CN209061161U - A kind of medical use liquid-transfering gun mobile mechanism - Google Patents

Abstract

The utility model discloses a kind of medical use liquid-transfering gun mobile mechanisms, including pedestal, the top side of the pedestal is fixedly installed with U-shaped column, the top side of U-shaped column offers through-hole, crankshaft is rotatably equipped in through-hole, the bottom end of crankshaft is fixedly installed with the L-type rotating bar in U-shaped column, the top side of the pedestal is fixedly installed with the fixed block in U-shaped column, the side of fixed block offers sliding eye, slide bar is slidably fitted in sliding eye, the both ends of slide bar all extend to outside sliding eye, slide bar is fixedly installed with fixed link close to one end of U-shaped column, the side of fixed link offers movable span, movable span is run through in the bottom end of L-type rotating bar, the side of slide bar is fixedly installed with the first rack gear and the second rack gear.The utility model is easy to operate, and liquid-transfering gun is directed at needle tubing, only need turning crankshaft can be completed liquid-transfering gun and needle tubing tighten with separate, the injection of liquid, and use mechanical structure, it is low in cost, meet the use demand of people.

Description

A kind of medical use liquid-transfering gun mobile mechanism

Technical field

The utility model relates to liquid-transfering gun technical field more particularly to a kind of medical use liquid-transfering gun mobile mechanisms

Background technique

Liquid-transfering gun is one kind of pipettor, is usually used in that laboratory is a small amount of or micro liquid pipettes, specification is different, difference rule The liquid-transfering gun of lattice matches different size of pipette tips, and the shape of different manufacturer's productions is also slightly different, but working principle And operating method is almost the same.Liquid-transfering gun category precision instrument uses and is intended to careful when storing, prevents from damaging, avoid shadow Ring its range.

Publication No. CN108043484A discloses a kind of liquid-transfering gun mobile mechanism, including support frame in the prior art, branch Liquid-transfering gun, pushing motor, first motor and turntable are placed on support, are fixed for clamping the fixture of liquid-transfering gun on turntable, first For motor by driving turntable rotation to realize the rotation of liquid-transfering gun, the output shaft of pushing motor passes through the piston of shaft coupling and liquid-transfering gun Bar is connected, and in the application, is fixed on turntable for fixing the fixture of liquid-transfering gun, liquid-transfering gun is rotated, liquid-transfering gun is worked as Be moved on needle tubing frame, when the lower end of liquid-transfering gun is inserted into needle tubing, can rotation liquid-transfering gun appropriate so that liquid-transfering gun and needle tubing Between have and tighten movement, to realize sealing cooperation firm between liquid-transfering gun and needle tubing, but this multiple electricity of novel use Machine drives, higher cost, is unable to satisfy public use demand, there are improved spaces.

Utility model content

(1) technical problems to be solved

In order to overcome the shortage of prior art, it is proposed that liquid-transfering gun is directed at needle tubing by a kind of medical use liquid-transfering gun mobile mechanism, Only need turning crankshaft can be completed liquid-transfering gun and needle tubing tighten with separate, the injection of liquid, and use mechanical structure, it is at low cost It is honest and clean, meet the use demand of people.

(2) technical solution

The utility model is achieved through the following technical solutions: the utility model proposes a kind of medical use liquid-transfering gun moving machines Structure, including pedestal, the top side of the pedestal are fixedly installed with U-shaped column, and the top side of U-shaped column offers through-hole, rotation peace in through-hole Equipped with crankshaft, the bottom end of crankshaft is fixedly installed with the L-type rotating bar in U-shaped column, and the top side of the pedestal is fixedly installed with Fixed block in U-shaped column, the side of fixed block offer sliding eye, are slidably fitted with slide bar in sliding eye, and the two of slide bar End all extends to outside sliding eye, and slide bar is fixedly installed with fixed link close to one end of U-shaped column, and the side of fixed link offers activity Movable span is run through in the bottom end in hole, L-type rotating bar, and the side of slide bar is fixedly installed with the first rack gear and the second rack gear, the pedestal Top side be fixedly installed with fixed column, the top of fixed column is rotatably equipped with gear, gear and the first rack gear to engaging, gear There are two L-type motion bars for bottom side fixed installation, and the top side of two L-type motion bars is fixedly installed with Rotational Cylindrical, the pedestal top Side offers card hole, and liquid-transfering gun is rotatably equipped in card hole, and fixing sleeve is connected to wedge block on liquid-transfering gun, activity installation in liquid-transfering gun There is piston, the top side of piston is fixedly installed with mandril, and the top of mandril extends to outside liquid-transfering gun, and fixing sleeve, which is connected to, on mandril is located at Movable plate above liquid-transfering gun, the side of the U-shaped column are fixedly installed with L-type fixed column, and L-type fixed column is close to the side of crankshaft Moving hole is offered, motion bar is movably installed in moving hole, the both ends of motion bar all extend to outside moving hole, and motion bar is close One end of crankshaft is rotatably equipped with connecting rod, and connecting rod is actively socketed on crankshaft far from one end of motion bar, and motion bar is far from crankshaft One end be rotatably equipped with driven rod.

Further, the L-type fixed column offers close to the side of pedestal and pushes hole, and being movably installed with for hole is pushed to push away Lever, the both ends of catch bar, which all extend to, to push outside hole, and the top of catch bar is rotatably installed on the bottom end of driven rod.

Further, the side of the catch bar is fixedly installed with the first kelly and second below L-type fixed column Kelly, the second kelly are located at the lower section of the first kelly, and the top side of the second kelly is in contact with the bottom side of movable plate.

Further, the bottom side of the gear offers gear hole, and the top of fixed column extends in gear hole.

Further, the top of the crankshaft extends to outside U-shaped column and fixing sleeve is connected to crank, and protection is socketed on crank Set, protective case are made of rubber material.

Further, the top side of the connecting rod offers through hole, and through hole is run through in the bottom end of crankshaft.

Further, annular offers rolling groove on the inner wall of the card hole, and the two sides of liquid-transfering gun are fixedly installed with cross Bar, one end that two cross bars are located remotely from each other all extend in rolling groove.

Further, the wedge block offers rotation slot close to the side of gear, and rotation slot is run through on the top of Rotational Cylindrical.

Further, needle tubing is equipped with below the liquid-transfering gun, needle tubing is equipped with internal screw thread, and liquid-transfering gun pipette tips are equipped with outer spiral shell Line, external screw thread are adapted with internal screw thread.

(3) beneficial effect

The utility model compared with the existing technology, has the advantages that

1, in the utility model, by utilizing crankshaft, L-type rotating bar, fixed link, slide bar, fixed block, the first rack gear, tooth The mutual cooperation of wheel, L-type motion bar, Rotational Cylindrical, wedge block, liquid-transfering gun, rotation crank band dynamic crankshaft rotate in through-hole, crankshaft Rotation drives the rotation of L-type rotating bar, since L-type rotating bar is rotatably installed in the movable span in fixed link, so L-type rotating bar Rotation drives fixed link to move horizontally, and fixed link is moved horizontally to be slided in the sliding eye with moving slide-bar on fixed block, fixed link It moves horizontally and the first rack gear is driven to move horizontally, the mobile band moving gear of the first rack gear rotates, and gear rotation drives L-type motion bar to turn Dynamic, the rotation of L-type motion bar drives Rotational Cylindrical rotation, and Rotational Cylindrical rotation drives wedge block rotation, and wedge block rotation drives liquid-transfering gun Rotation, liquid-transfering gun by threads turn rotate tighten liquid-transfering gun mutually with needle tubing, thus realize it is firm between liquid-transfering gun and needle tubing Sealing cooperation, realize liquid-transfering gun at this time and connect with needle tubing；

2, in the utility model, by utilizing crankshaft, connecting rod, mobile bar, driven rod, catch bar, the second kelly, the first card The mutual cooperation of bar, piston, crank rotation drive link rotatable, and link rotatable drives mobile bar to move horizontally in moving hole, Mobile bar movement drives driven rod rotation, and driven rod rotation drives catch bar to vertically move in promotion hole, the mobile band of catch bar The top side of dynamic second kelly is mutually separated with the bottom side of movable plate, when the bottom side of the first kelly is in contact with the top side of movable plate, Liquid-transfering gun and needle tubing are just tightened at this time, and the first rack and pinion just separates, and crankshaft continues to rotate drive link rotatable, connecting rod Rotation drives mobile bar to move horizontally in moving hole, and mobile bar is mobile to drive driven rod rotation, and driven rod rotation, which drives, to be pushed Bar vertically moves in promotion hole, and catch bar is mobile to drive the first kelly extruding movable plate to vertically move it, and movable plate is mobile Mandril is driven to vertically move, mandril vertically moves band piston and vertically moves, and the liquid in liquid-transfering gun is squeezed needle-inserting tube by piston, The infusion of liquid-transfering gun is realized at this time；

3, in the utility model, by using crankshaft, the first kelly, movable plate, gear, the second rack gear, L-type motion bar, The mutual cooperation of Rotational Cylindrical, wedge block, liquid-transfering gun, crankshaft continue that the first kelly is driven mutually to separate with movable plate, gear and second Rack gear is in contact, and the second rack drives gear rotates backward, and gear rotation drives L-type motion bar to rotate backward, and L-type motion bar turns Dynamic that Rotational Cylindrical is driven to rotate backward, Rotational Cylindrical rotation drives wedge block to rotate backward, and wedge block rotation drives liquid-transfering gun rotation, from And liquid-transfering gun is mutually separated by threads turn with needle tubing, is realized liquid-transfering gun at this time and is separated with needle tubing.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of medical use liquid-transfering gun mobile mechanism structural schematic diagram；

Fig. 2 be the utility model proposes a kind of medical use liquid-transfering gun mobile mechanism overlooking structure diagram；

Fig. 3 be the utility model proposes a kind of medical use liquid-transfering gun mobile mechanism Fig. 1 in part A structural representation Figure；

Fig. 4 be the utility model proposes the mandril of medical use liquid-transfering gun mobile mechanism a kind of, movable plate, the second kelly, First kelly.The structural schematic diagram that catch bar is connected.

In figure: 1 pedestal, 2 U-shaped columns, 3 through-holes, 4 crankshafts, 5 L-type rotating bars, 6 fixed blocks, 7 sliding eyes, 8 slide bars, 9 are consolidated Fixed pole, 10 movable spans, 11 first rack gears, 12 second rack gears, 13 fixed columns, 14 gears, 15L type motion bar, 16 Rotational Cylindricals, 17 cards Hole, 18 liquid-transfering guns, 19 wedge blocks, 20 pistons, 21 mandrils, 22 movable plates, 23 L-type fixed columns, 24 moving hole, 25 motion bars, 26 Connecting rod, 27 driven rods, 28 push hole, 29 catch bars, 30 first kellies, 31 second kellies, 32 rotation slots.

Specific embodiment

In the technical program:

17 card holes, 18 liquid-transfering guns, 19 wedge blocks, 20 pistons, 21 mandrils, 22 movable plates, 23L type fixed column, 24 moving hole, 25 motion bars, 26 connecting rods, 27 driven rods, 28 push hole, 29 catch bars, 30 first kellies, 31 second kellies, 32 rotation slots for originally Utility model contains the innovative component of essence.

1 pedestal, 2U type column, 3 through-holes, 4 crankshafts, 5L type rotating bar, 6 fixed blocks, 7 sliding eyes, 8 slide bars, 9 fixed links, 10 Movable span, 11 first rack gears, 12 second rack gears, 13 fixed columns, 14 gears, 15L type motion bar, 16 Rotational Cylindricals are to realize that this is practical The essential connectivity component of new technique scheme.

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

A kind of medical use liquid-transfering gun mobile mechanism as shown in Figs 1-4, including pedestal 1, the top side of pedestal 1 are fixedly installed with U-shaped column 2, the top side of U-shaped column 2 offer through-hole 3, and crankshaft 4 is rotatably equipped in through-hole 3, and the bottom end of crankshaft 4 is fixedly installed with position L-type rotating bar 5 in U-shaped column 2, the top side of pedestal 1 are fixedly installed with the fixed block 6 in U-shaped column 2, and the one of fixed block 6 Side offers sliding eye 7, and slide bar 8 is slidably fitted in sliding eye 7, and the both ends of slide bar 8 all extend to outside sliding eye 7, and slide bar 8 leans on One end of nearly U-shaped column 2 is fixedly installed with fixed link 9, and the side of fixed link 9 offers movable span 10, the bottom end of L-type rotating bar 5 Through movable span 10, the side of slide bar 8 is fixedly installed with the first rack gear 11 and the second rack gear 12, and the top side of pedestal 1 is fixedly mounted There is a fixed column 13, the top of fixed column 13 is rotatably equipped with gear 14, and gear 14 and the first rack gear 11 are to engaging, the bottom of gear 14 Side is fixedly mounted there are two L-type motion bar 15, and the top side of two L-type motion bars 15 is fixedly installed with Rotational Cylindrical 16, and pedestal 1 pushes up Side offers card hole 17, liquid-transfering gun 18 is rotatably equipped in card hole 17, fixing sleeve is connected to wedge block 19, liquid-transfering gun on liquid-transfering gun 18 Piston 20 is movably installed in 18, the top side of piston 20 is fixedly installed with mandril 21, and the top of mandril 21 extends to liquid-transfering gun 18 Outside, fixing sleeve is connected to the movable plate 22 above liquid-transfering gun 18 on mandril 21, and the side of U-shaped column 2 is fixedly installed with L-type and fixes Column 23, L-type fixed column 23 offer moving hole 24 close to the side of crankshaft 4, and motion bar 25 is movably installed in moving hole 24, living The both ends of lever 25 all extend to outside moving hole 24, and motion bar 25 is rotatably equipped with connecting rod 26, connecting rod 26 close to one end of crankshaft 4 One end far from motion bar 25 is actively socketed on crankshaft 4, and motion bar 25 is rotatably equipped with driven rod far from one end of crankshaft 4 27, when needing liquid relief, by the lower end insertion needle tubing of liquid-transfering gun, rotation crank band dynamic crankshaft 4 rotates in through-hole 3, crankshaft 4 Rotation drives L-type rotating bar 5 to rotate, since L-type rotating bar 5 is rotatably installed in the movable span 10 in fixed link 9, so L-type The rotation of rotating bar 5 drives fixed link 9 to move horizontally, and fixed link 9 is moved horizontally with moving slide-bar 8 in the sliding eye 7 on fixed block 6 Sliding, fixed link 9, which moves horizontally, drives the first rack gear 11 to move horizontally, and the mobile band moving gear 14 of the first rack gear 11 rotates, gear 14 rotations drive L-type motion bar 15 to rotate, and the rotation of L-type motion bar 15 drives Rotational Cylindrical 16 to rotate, and the rotation of Rotational Cylindrical 16 drives wedge Shape block 19 rotates, and the rotation of wedge block 19 drives liquid-transfering gun 18 to rotate, and liquid-transfering gun 18 makes 18 He of liquid-transfering gun by threads turn rotation Needle tubing is mutually tightened, to realize sealing cooperation firm between liquid-transfering gun 18 and needle tubing, at the same time, the rotation of crankshaft 4, which drives, to be connected Bar 26 rotates.

L-type fixed column 23 offers close to the side of pedestal 1 and pushes hole 28, and push hole 28 is movably installed with catch bar 29, the both ends of catch bar 29, which all extend to, to push outside hole 28, and the top of catch bar 29 is rotatably installed on the bottom end of driven rod 27, The side of catch bar 29 is fixedly installed with the first kelly 30 and the second kelly 31 positioned at 23 lower section of L-type fixed column, the second kelly 31 are located at the lower section of the first kelly 30, and the top side of the second kelly 31 is in contact with the bottom side of movable plate 22, and the bottom side of gear 14 is opened Equipped with gear hole, the top of fixed column 13 is extended in gear hole, and the top of crankshaft 4 extends to outside U-shaped column 2 and fixing sleeve is connected to Crank is socketed with protective case on crank, and protective case is made of rubber material, and the top side of connecting rod 26 offers through hole, crankshaft 4 Through hole is run through in bottom end, and annular offers rolling groove on the inner wall of card hole 17, and the two sides of liquid-transfering gun 18 are fixedly installed with cross bar, One end that two cross bars are located remotely from each other all extends in rolling groove, and wedge block 19 offers rotation slot close to the side of gear 14 32, rotation slot 32 is run through on the top of Rotational Cylindrical 16, and needle tubing is equipped with below liquid-transfering gun 18, is equipped with internal screw thread, liquid-transfering gun rifle in needle tubing Head is equipped with external screw thread, and external screw thread is adapted with internal screw thread, and the rotation of connecting rod 26 drives mobile bar 25 to move horizontally in moving hole 24, The movement of mobile bar 25 drives driven rod 27 to rotate, and the rotation of driven rod 27 drives catch bar 29 to vertically move in promotion hole 28, pushes away Lever 29 is mobile to drive the first kelly 30 extruding movable plate 22 to vertically move it, and movable plate 22 is mobile to drive mandril 21 vertically to move Dynamic, mandril 21 vertically moves band piston 20 and vertically moves, and the liquid in liquid-transfering gun 18 is squeezed needle-inserting tube by piston 20, has squeezed Cheng Hou, crankshaft 4 continue that the first kelly 30 is driven to separate with 22 phase of movable plate, and gear 14 is in contact with the second rack gear 12, the second tooth Item 12 is rotated backward with moving gear 14, and the rotation of gear 14 drives L-type motion bar 15 to rotate backward, and the rotation of L-type motion bar 15 drives Rotational Cylindrical 16 rotates backward, and the rotation of Rotational Cylindrical 16 drives wedge block 19 to rotate backward, and the rotation of wedge block 19 drives 18 turns of liquid-transfering gun It is dynamic, so that liquid-transfering gun 18 is mutually separated by threads turn with needle tubing, liquid-transfering gun 18 can be taken out at this time.

A kind of medical use liquid-transfering gun mobile mechanism that the utility model is mentioned.

Working principle: when needing liquid relief, by the lower end insertion needle tubing of liquid-transfering gun, rotation crank band dynamic crankshaft 4 is logical Rotation in hole 3, the rotation of crankshaft 4 drives L-type rotating bar 5 to rotate, since L-type rotating bar 5 is rotatably installed in the activity in fixed link 9 In hole 10, so the rotation of L-type rotating bar 5 drives fixed link 9 to move horizontally, fixed link 9 moves horizontally band moving slide-bar 8 in fixed block Sliding in sliding eye 7 on 6, fixed link 9, which moves horizontally, drives the first rack gear 11 to move horizontally, the mobile band movable tooth of the first rack gear 11 14 rotation of wheel, the rotation of gear 14 drive L-type motion bar 15 to rotate, and the rotation of L-type motion bar 15 drives Rotational Cylindrical 16 to rotate, Rotational Cylindrical 16 rotations drive wedge block 19 to rotate, and the rotation of wedge block 19 drives liquid-transfering gun 18 to rotate, and liquid-transfering gun 18 is rotated by threads turn Tighten liquid-transfering gun 18 mutually with needle tubing, to realize sealing cooperation firm between liquid-transfering gun 18 and needle tubing, at the same time, crankshaft 4 rotations drive connecting rod 26 to rotate, and the rotation of connecting rod 26 drives mobile bar 25 to move horizontally in moving hole 24, the mobile band of mobile bar 25 Dynamic driven rod 27 rotates, and the rotation of driven rod 27 drives catch bar 29 to vertically move in promotion hole 28, and catch bar 29 is mobile to be driven The top side of second kelly 32 is mutually separated with the bottom side of movable plate 22, when the bottom side of the first kelly 30 connects with the top side of movable plate 22 When touching, liquid-transfering gun 18 and needle tubing are just tightened at this time, and the first rack gear 11 is just separated with gear 14, and crankshaft 4 continues to rotate drive Connecting rod 26 rotates, and the rotation of connecting rod 26 drives mobile bar 25 to move horizontally in moving hole 24, and mobile bar 25 is mobile to drive driven rod 27 rotations, the rotation of driven rod 27 drive catch bar 29 to vertically move in promotion hole 28, and catch bar 29 is mobile to drive the first kelly 30 extruding movable plates 22 vertically move it, and movable plate 22 is mobile to drive mandril 21 to vertically move, and mandril 21 vertically moves drive Piston 20 vertically moves, and the liquid in liquid-transfering gun 18 is squeezed needle-inserting tube by piston 20, and after the completion of extruding, crankshaft 4 continues drive the One kelly 30 is separated with 22 phase of movable plate, and gear 14 is in contact with the second rack gear 12, and the second rack gear 12 reversely turns with moving gear 14 Dynamic, the rotation of gear 14 drives L-type motion bar 15 to rotate backward, and the rotation of L-type motion bar 15 drives Rotational Cylindrical 16 to rotate backward, and rotates The rotation of column 16 drives wedge block 19 to rotate backward, and the rotation of wedge block 19 drives liquid-transfering gun 18 to rotate, so that liquid-transfering gun 18 passes through spiral shell Line rotation is mutually separated with needle tubing, can take out liquid-transfering gun 18 at this time.

Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality With novel claimed technology contents, it is all described in the claims.

Claims (9)

1. a kind of medical use liquid-transfering gun mobile mechanism, including pedestal (1), which is characterized in that the fixed peace in the top side of the pedestal (1) Equipped with U-shaped column (2), the top side of U-shaped column (2) is offered through-hole (3), is rotatably equipped with crankshaft (4) in through-hole (3), crankshaft (4) Bottom end is fixedly installed with the L-type rotating bar (5) in U-shaped column (2), and the top side of the pedestal (1) is fixedly installed with positioned at U-shaped Fixed block (6) in column (2), the side of fixed block (6) offer sliding eye (7), are slidably fitted with slide bar in sliding eye (7) (8), the both ends of slide bar (8) all extend to sliding eye (7) outside, and slide bar (8) is fixedly installed with fixation close to the one end of U-shaped column (2) Bar (9), the side of fixed link (9) offer movable span (10), and movable span (10) are run through in the bottom end of L-type rotating bar (5), slide bar (8) side is fixedly installed with the first rack gear (11) and the second rack gear (12), and the top side of the pedestal (1) is fixedly installed with fixation Column (13), the top of fixed column (13) are rotatably equipped with gear (14), and gear (14) and the first rack gear (11) are to engaging, gear (14) there are two L-type motion bar (15) for bottom side fixed installation, and the top side of two L-type motion bars (15) is fixedly installed with rotation Column (16), pedestal (1) top side offer card hole (17), are rotatably equipped with liquid-transfering gun (18), liquid-transfering gun in card hole (17) (18) fixing sleeve is connected to wedge block (19) on, is movably installed with piston (20) in liquid-transfering gun (18), the top side of piston (20) is fixed It is equipped with mandril (21), the top of mandril (21) extends to liquid-transfering gun (18) outside, and fixing sleeve is connected to positioned at liquid relief on mandril (21) The side of movable plate (22) above rifle (18), the U-shaped column (2) is fixedly installed with L-type fixed column (23), L-type fixed column (23) side close to crankshaft (4) offers moving hole (24), is movably installed with motion bar (25), motion bar in moving hole (24) (25) both ends all extend to moving hole (24) outside, and motion bar (25) is rotatably equipped with connecting rod (26) close to the one end of crankshaft (4), Connecting rod (26) is actively socketed on crankshaft (4) far from the one end of motion bar (25), and motion bar (25) turns far from the one end of crankshaft (4) It is dynamic to be provided with lever (27).

2. a kind of medical use liquid-transfering gun mobile mechanism according to claim 1, it is characterised in that: the L-type fixed column (23) side close to pedestal (1), which offers, pushes hole (28), and push hole (28) is movably installed with catch bar (29), catch bar (29) both ends, which all extend to, pushes hole (28) outside, and the top of catch bar (29) is rotatably installed on the bottom end of driven rod (27).

3. a kind of medical use liquid-transfering gun mobile mechanism according to claim 2, it is characterised in that: the catch bar (29) Side is fixedly installed with the first kelly (30) and the second kelly (31) below L-type fixed column (23), the second kelly (31) Positioned at the lower section of the first kelly (30), the top side of the second kelly (31) is in contact with the bottom side of movable plate (22).

4. a kind of medical use liquid-transfering gun mobile mechanism according to claim 1, it is characterised in that: the bottom of the gear (14) Side offers gear hole, and the top of fixed column (13) extends in gear hole.

5. a kind of medical use liquid-transfering gun mobile mechanism according to claim 1, it is characterised in that: the top of the crankshaft (4) End extends to U-shaped column (2) outside and fixing sleeve is connected to crank, protective case is socketed on crank, protective case is made of rubber material.

6. a kind of medical use liquid-transfering gun mobile mechanism according to claim 1, it is characterised in that: the top of the connecting rod (26) Side offers through hole, and through hole is run through in the bottom end of crankshaft (4).

7. a kind of medical use liquid-transfering gun mobile mechanism according to claim 1, it is characterised in that: the card hole (17) it is interior Annular offers rolling groove on wall, and the two sides of liquid-transfering gun (18) are fixedly installed with cross bar, one end that two cross bars are located remotely from each other It all extends in rolling groove.

8. a kind of medical use liquid-transfering gun mobile mechanism according to claim 1, it is characterised in that: the wedge block (19) is leaned on The side of nearly gear (14) offers rotation slot (32), and rotation slot (32) are run through on the top of Rotational Cylindrical (16).

9. a kind of medical use liquid-transfering gun mobile mechanism according to claim 1, it is characterised in that: under the liquid-transfering gun (18) Side is equipped with needle tubing, and internal screw thread is equipped in needle tubing, and liquid-transfering gun pipette tips are equipped with external screw thread, and external screw thread is adapted with internal screw thread.