CN114471766A

CN114471766A - Liquid-transfering metering device for medical examination

Info

Publication number: CN114471766A
Application number: CN202210096633.1A
Authority: CN
Inventors: 樊凤菊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-05-13
Anticipated expiration: 2042-01-26
Also published as: CN114471766B

Abstract

The invention discloses a liquid-transferring metering device for medical examination, and belongs to the technical field of medical instruments. The utility model provides a move liquid metering device that medical science inspection was used, including the body, the outside cover of body is equipped with the movable block, the upper end of movable block one side is run through and is equipped with guide arm A, thread groove A has been seted up to guide arm A outer wall, movable block one side upper end is run through and is equipped with the scale rod, a plurality of draw-in grooves have been seted up to scale rod one end, guide block one end is equipped with the loose ring, the loose ring downside is equipped with the closing plate, the closing plate upper end is equipped with two guide arm B, two guide arm B upper ends are equipped with the extrusion ring, guide arm B outer wall cover is equipped with spring A. The pipette has the advantages that the pipette can be conveniently placed on the upper side of the pipette through the arranged movable block, so that the pipette body is kept stable, the pipette body can be matched with the scale rod to move, the depth of the lower end of the pipette body immersed into the liquid level is controlled, a user can conveniently grasp the pipette body, a worker does not need to manually lift the pipette body for a long time after liquid is discharged under the action of the movable block, and the operation is simple and convenient.

Description

Liquid-transfering metering device for medical examination

Technical Field

The invention relates to the technical field of medical instruments, in particular to a liquid-transferring metering device for medical examination.

Background

In order to ensure the quality of clinical examination, the overall quality control must be achieved, pipettors are often used for moving small or trace amounts of liquid in laboratories, in the examination process, the pipettors are required to be frequently used for treating reagents or solutions for some experiments, and in the pipetting process, the pipettors are mostly or used for carrying out pipetting operation, patent document with publication number CN214390223U in the prior art provides a pipetting metering device for medical examination, which can extract the solutions through the arranged baffles and pull rods, and can meter the solutions through scale values, although the device has more beneficial effects, the following problems still exist: when a worker extracts a solution, the lower end of the pipette needs to be inserted into a specified range below the liquid level and the pipette is kept vertical according to requirements, and a user often has difficulty in mastering the length of the lower end of the pipette inserted below the liquid level when using the pipette, and is difficult to ensure that the pipette is always in a vertical state and is kept stable and does not shake in the operation process.

In view of this, we propose a pipette metering device for medical testing.

Disclosure of Invention

1. Technical problem to be solved

The present invention is directed to a pipette metering device for medical examination to solve the problems set forth in the background art.

2. Technical scheme

A liquid transfer metering device for medical examination comprises a tube body, wherein a movable block is sleeved outside the tube body, a guide rod A penetrates through the upper end of one side of the movable block, a threaded groove A is formed in the outer wall of the guide rod A, a scale rod penetrates through the upper end of the other side of the movable block, and a plurality of clamping grooves are formed in one end of the scale rod;

the movable block is close to one side of scale rod is run through and is equipped with elastic fixture block, the guide slot has been seted up to body upside inner wall, the inside lead screw that rotationally is provided with of guide slot, the cover is equipped with the guide block on the lead screw, guide block one end is equipped with the loose ring, the loose ring downside is equipped with the closing plate, a plurality of guide arms B of closing plate upper end fixedly connected with, guide arm B upper end is connected with same extrusion ring, guide arm B outer wall cover is equipped with spring A.

Preferably, the outer wall of the lower side of the guide rod A is provided with a gear, the outer wall of the lower side of the guide rod A is sleeved with a movable sleeve, the outer wall of the lower side of the guide rod A is provided with a thread groove B, two ends of the outer wall of the movable sleeve are provided with limit grooves, and one side of the lower end of the movable sleeve is provided with an insert block.

Preferably, the scale rod lower extreme is equipped with the fixed plate, the annular has been seted up at fixed plate lower extreme middle part, the inside ring piece that is equipped with of annular, a plurality of meshing teeth have been seted up to the ring piece outer wall, the ring piece lower extreme is symmetrical structure and is equipped with two mounting panels, mounting panel one end is equipped with the sponge piece.

Preferably, two chutes are symmetrically formed in the lower end of the fixing plate, sliders are arranged inside the chutes, springs B are arranged at one ends of the sliders, connecting rods are arranged at the lower ends of the sliders, a collecting box is arranged in the middle of the connecting rods, slots are formed in one side of the upper end of the collecting box, a fixing frame is arranged outside the fixing plate, and two limiting strips are arranged on one side of the lower end of the fixing plate.

Preferably, the elastic clamping block is in sliding contact with the movable block, the elastic clamping block is in clamping fit with the clamping groove, and the inner wall of one side of the movable block is in sliding contact with the inner wall of the thread groove A.

Preferably, the guide block is in sliding connection with the guide groove, the screw rod is in threaded connection with the guide block, the upper end of the sealing plate is in extrusion contact with the lower end of the movable ring, and the guide rod B is in sliding contact with the movable ring.

Preferably, the gear is in meshing transmission with the ring block through meshing teeth, the inner wall of the movable sleeve is in sliding contact with the inner wall of the thread groove B, and the insertion block is in insertion fit with the insertion groove.

Preferably, the ring block is connected with the ring groove in a sliding mode, and the sponge block is in friction contact with the outer wall of the lower side of the pipe body.

Preferably, slider and spout sliding connection, spring B one end and spout inner wall one end fixed connection, the collection box is located the body downside.

Preferably, the fixing frame penetrates through the fixing plate and is in sliding contact with the fixing plate, and the limiting strip is in sliding contact with the limiting groove.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the pipette has the advantages that the pipette can be conveniently placed on the upper side of the pipette through the arranged movable block, so that the pipette body is kept stable, the pipette body can be matched with the scale rod to move, the depth of the lower end of the pipette body immersed into the liquid level is controlled, a user can conveniently grasp the pipette body, a worker does not need to manually lift the pipette body for fifteen seconds after liquid is discharged under the action of the movable block, and the operation is simple and convenient.

(2) The position of the movable ring can be conveniently adjusted through the screw rod and the guide block, so that the liquid level height in the pipe body can be controlled, the middle of the movable ring can be automatically driven to seal by the sealing plate when the aurilave is taken away from the pipe body through the spring A, the upper end of the pipe body is prevented from being blocked manually by a worker, and the operation is simple and convenient.

(3) According to the invention, the collection box can prevent the solution in the pipe body from dropping on the workbench when the pipe body moves, so that the environment is influenced, and the pipe body can automatically move to the lower side of the pipe body when the movable block rises to the uppermost end under the action of the spring B, so that the pipe body is convenient for workers to use.

(4) According to the invention, the sponge block can rotate through the gear, the meshing teeth and the ring block when the pipe body rises, so that the outer wall of the pipe body can be cleaned, and redundant solution is sucked off, thereby ensuring that the outer wall of the pipe body is clean.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a portion of the card slot of the present invention;

FIG. 3 is a schematic view of the seal plate portion structure of the present invention;

FIG. 4 is a schematic view of a portion of the chute of the present invention;

FIG. 5 is a schematic view of a portion of the ring groove of the present invention;

FIG. 6 is a schematic view of a partial sponge block of the invention;

the reference numbers in the figures illustrate: 1. a pipe body; 2. a movable block; 3. a guide rod A; 4. a thread groove A; 5. a graduated rod; 6. a card slot; 7. an elastic clamping block; 8. a guide groove; 9. a guide block; 10. a movable ring; 11. a sealing plate; 12. a guide rod B; 13. an extrusion ring; 14. a spring A; 15. a gear; 16. a movable sleeve; 17. a thread groove B; 18. a limiting groove; 19. inserting a block; 20. a fixing plate; 21. a ring groove; 22. a ring block; 23. meshing teeth; 24. mounting a plate; 25. a sponge block; 26. a chute; 27. a slider; 28. a spring B; 29. a connecting rod; 30. a collection box; 31. a slot; 32. a fixed mount; 33. a limiting strip; 34. and a screw rod.

Detailed Description

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a move liquid metering device that medical science inspection was used, including

body

1, 1 outside cover of body is equipped with

movable block

2, 2 left side upper ends of movable block run through and are equipped with guide arm A3, thread groove A4 has been seted up to guide arm A3 outer wall, 2 right side upper ends of movable block run through and are equipped with scale rod 5, a plurality of draw-in grooves 6 have been seted up to scale rod 5 right-hand member, 2 right-hand members of movable block run through and are equipped with elastic fixture block 7, guide slot 8 has been seted up to 1 upside inner wall of body, the inside guide block 9 that is equipped with of

guide slot

8, 9 one end of guide block is equipped with activity ring 10, activity ring 10 downside is equipped with closing plate 11, closing plate 11 upper end is equipped with two guide arm B12, two guide arm B12 upper ends are equipped with extrusion ring 13, guide arm B12 outer wall cover is equipped with spring A14, body 1 upper end one side is equipped with lead screw 34.

Specifically, guide arm A3 downside outer wall is equipped with gear 15, and guide arm A3 downside outer wall cover is equipped with movable sleeve 16, and thread groove B17 has been seted up to guide arm A3 downside outer wall, and spacing groove 18 has all been seted up at the 16 outer wall both ends of movable sleeve, and 16 lower extreme one side of movable sleeve are equipped with inserted block 19.

Further, the lower end of the scale rod 5 is provided with a fixing plate 20, the middle part of the lower end of the fixing plate 20 is provided with a ring groove 21, a ring block 22 is arranged inside the ring groove 21, the outer wall of the ring block 22 is provided with a plurality of meshing teeth 23, the lower end of the ring block 22 is provided with two mounting plates 24 in a symmetrical structure, and one end of each mounting plate 24 is provided with a sponge block 25.

Still further, two sliding chutes 26 are symmetrically formed in the lower end of the fixing plate 20, a sliding block 27 is arranged inside the sliding chute 26, a spring B28 is arranged at one end of the sliding block 27, a connecting rod 29 is arranged at the lower end of the sliding block 27, a collecting box 30 is arranged in the middle of the two connecting rods 29, a slot 31 is formed in one side of the upper end of the collecting box 30, a fixing frame 32 is arranged outside the fixing plate 20, and two limiting strips 33 are arranged on one side of the lower end of the fixing plate 20.

The spring B28 is provided to automatically move the slider 27 after the insert 19 is disengaged from the slot 31, so that the collection box 30 is located on the lower side of the tube 1.

Furthermore, the elastic fixture block 7 is in sliding contact with the movable block 2, the elastic fixture block 7 is in clamping fit with the clamping groove 6, and the inner wall of one side of the movable block 2 is in sliding contact with the inner wall of the thread groove A4.

The elastic clamping block 7 and the clamping groove 6 are matched to fix the movable block 2 conveniently.

It is worth to be noted that the guide block 9 is slidably connected with the guide groove 8, the screw rod 34 is in threaded connection with the guide block 9, the upper end of the sealing plate 11 is in pressing contact with the lower end of the movable ring 10, and the guide rod B12 is in sliding contact with the movable ring 10.

The position of the movable ring 10 can be conveniently adjusted through the arranged guide block 9 and the guide groove 8, and then the solution amount in the pipette is controlled.

It is noted that the gear 15 is in meshing transmission with the ring block 22 through the meshing teeth 23, the inner wall of the movable sleeve 16 is in sliding contact with the inner wall of the threaded groove B17, and the insert block 19 is in plug fit with the slot 31.

The gear 15 is arranged to cooperate with the meshing teeth 23 to enable the ring block 22 to rotate when the guide rod A3 rotates.

Besides, the ring block 22 is slidably connected with the ring groove 21, and the sponge block 25 is in frictional contact with the outer wall of the lower side of the pipe body 1.

The ring block 22 is arranged to rotate to enable the mounting plate 24 and the sponge block 25 to rotate, and then the solution on the outer wall of the pipe body 1 is sucked.

In addition, the slide block 27 is slidably connected to the slide groove 26, one end of the spring B28 is fixedly connected to one end of the inner wall of the slide groove 26, and the collecting box 30 is located at the lower side of the tube 1.

The collection box 30 can prevent the inner solution of the pipette from dripping onto the workbench to cause pollution on the workbench when the pipette is moved.

In addition, the fixing frame 32 penetrates the fixing plate 20 and is in sliding contact with the fixing plate, and the limiting strip 33 is in sliding contact with the limiting groove 18.

The fixing frame 32 is arranged to facilitate the movement of the fixing plate 20, and the time-shifting liquid tube can be kept in a vertical state during the movement.

When the device is required to work, a pipe body 1 with required specification is selected, the lower side of the pipe body 1 sequentially penetrates through the movable block 2 and the fixed plate 20, the lower end of the pipe body 1 is located on the upper side of the collection box 30, a solution bottle of a solution to be taken is placed on the lower side of the collection box 30, the solution bottle of the solution to be taken is placed on one side of the solution bottle of the solution to be taken, the connecting rod 29 is pushed to enable the collection box 30 to move away from the lower side of the pipe body 1, the elastic clamping block 7 is pulled to enable the elastic clamping block 7 to be separated from the clamping groove 6, the elastic clamping block 7 is pulled downwards to enable the movable block 2 to descend, the pipe body 1 can be driven to descend after the movable block 2 descends, the pipe body 1 can sink to the liquid level after descending, and a worker can adjust the position relation between the movable block 2 and the scale rod 5 when observing the lower end of the pipe body 1 and the liquid level so as to match with the scale rod 5 to adjust the depth of the lower end of the pipe body 1 sinking to be in a specified required range,

then, the lower side of the aurilave penetrates through the extrusion ring 13 and extrudes the extrusion ring 13, so that the extrusion ring 13 drives the guide rod B12 and the sealing plate 11 to descend, the sealing plate 11 can open the movable ring 10 after descending, so that the aurilave can be used for being matched with a pipette to suck solution, when the solution reaches a certain height, the aurilave is taken away, at the moment, the guide rod can drive the sealing plate 11 to ascend under the action of the spring A14, so that the movable ring 10 is sealed,

then, a worker rotates the screw rod 34 by observing the position of the scale mark on the pipette to enable the guide block 9 to descend along the direction of the guide groove 8, the guide block 9 can drive the movable ring 10 to descend after descending so as to extrude the air in the pipette to enable the liquid level in the pipette to descend, wherein when the movable block 2 descends, the guide rod A3 can be driven by the thread groove A4 to rotate, the guide rod A3 can drive the movable sleeve 16 when rotating, the movable sleeve 16 can drive the inserting block 19 to descend under the action of the limiting strip 33, and then the limiting block is inserted into the slot 31 to enable the collecting box 30 to be fixed,

after the solution is sucked, the elastic clamping block 7 is pulled to lift the movable block 2, the movable block 2 can drive the pipe body 1 to lift and drive the guide rod A3 to rotate reversely after lifting, the guide rod A3 can drive the gear 15 to rotate when rotating, the gear 15 can drive the ring block 22 to rotate through the meshing teeth 23, the ring block 22 can drive the two mounting plates 24 to rotate, the mounting plates 24 can drive the sponge block 25 to rotate after rotating and further can suck the solution on the outer wall of the pipe body 1 under the action of the sponge block 25 to keep the outer wall clean, wherein when the movable block 2 is positioned at the uppermost side, the guide rod A3 rotates to position the movable sleeve 16 at the uppermost side, the inserting block 19 is separated from the slot 31, the sliding block 27 can move along the direction of the sliding groove 26 under the action of the spring B28, so that the collecting box 30 is positioned at the lower side of the pipe body 1, and then the fixing plate 20 is pushed to slide on the fixing frame 32 to the upper side of the solution bottle to be collected, thereafter, the position of the bottle of the solution to be collected is adjusted and the squeeze block is pressed so that the solution in the pipette is discharged.

Claims

1. The utility model provides a move liquid metering device that medical science inspection was used, includes the body, its characterized in that: a movable block is sleeved outside the pipe body, a guide rod A is arranged at the upper end of one side of the movable block in a penetrating mode, a threaded groove A is formed in the outer wall of the guide rod A, a scale rod is arranged at the upper end of the other side of the movable block in a penetrating mode, and a plurality of clamping grooves are formed in one end of the scale rod;

2. A pipette metering device for medical examination as recited in claim 1, characterized in that: the outer wall of the lower side of the guide rod A is provided with a gear, the outer wall of the lower side of the guide rod A is sleeved with a movable sleeve, the outer wall of the lower side of the guide rod A is provided with a thread groove B, two ends of the outer wall of the movable sleeve are provided with limit grooves, and one side of the lower end of the movable sleeve is provided with an insert block.

3. A pipette metering device for medical examination as recited in claim 1, characterized in that: the scale bar lower extreme is equipped with the fixed plate, the annular has been seted up at fixed plate lower extreme middle part, the inside ring piece that is equipped with of annular, a plurality of meshing teeth have been seted up to ring piece outer wall, ring piece lower extreme is symmetrical structure and is equipped with two mounting panels, mounting panel one end is equipped with the sponge piece.

4. A pipette metering device for medical examination as recited in claim 3, characterized in that: the fixed plate lower extreme is the symmetry and has seted up two spouts, the inside slider that is equipped with of spout, slider one end is equipped with spring B, the slider lower extreme is equipped with the connecting rod, two the connecting rod middle part is equipped with collects the box, collect box upper end one side and seted up the slot, the fixed plate outside is equipped with the mount, fixed plate lower extreme one side is equipped with two spacing.

5. A pipette metering device for medical examination as recited in claim 1, characterized in that: the elastic clamping block is in sliding contact with the movable block, the elastic clamping block is in clamping fit with the clamping groove, and the inner wall of one side of the movable block is in sliding contact with the inner wall of the thread groove A.

6. A pipette metering device for medical examination as recited in claim 1, characterized in that: the guide block is connected with the guide groove in a sliding mode, the screw rod is connected with the guide block in a threaded mode, the upper end of the sealing plate is in extrusion contact with the lower end of the movable ring, and the guide rod B is in sliding contact with the movable ring.

7. A pipette metering device for medical examination as recited in claim 2, characterized in that: the gear is in meshing transmission with the ring block through meshing teeth, the inner wall of the movable sleeve is in sliding contact with the inner wall of the thread groove B, and the insertion block is in insertion fit with the insertion groove.

8. A pipette metering device for medical examination as recited in claim 3, characterized in that: the ring block is connected with the annular groove in a sliding mode, and the sponge block is in friction contact with the outer wall of the lower side of the pipe body.

9. A pipette metering device for medical examination as claimed in claim 4, characterized in that: the slider is connected with the sliding groove in a sliding mode, one end of the spring B is fixedly connected with one end of the inner wall of the sliding groove, and the collecting box is located on the lower side of the pipe body.

10. A pipette metering device for medical examination as claimed in claim 4, characterized in that: the fixing frame penetrates through the fixing plate and is in sliding contact with the fixing plate, and the limiting strip is in sliding contact with the limiting groove.