CN218689608U

CN218689608U - Pipette device for medical examination

Info

Publication number: CN218689608U
Application number: CN202222894494.5U
Authority: CN
Inventors: 梁晓君; 胡志坚; 江诗文
Original assignee: Affiliated Hospital Of Jiujiang University
Current assignee: Affiliated Hospital Of Jiujiang University
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-24
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a pipette device for medical examination, which comprises a base, wherein a pipetting assembly is arranged at the upper end of the base, a fixing assembly is arranged inside the pipetting assembly, the pipetting assembly comprises a fixing cylinder, the fixing cylinder is fixedly connected to the upper surface of the base, a glass tube is inserted inside the fixing cylinder, a fixing ring is fixedly sleeved on the outer wall of the upper end of the glass tube, a rubber ring is fixedly connected to the upper surface of the fixing ring, a plugging block is clamped at the upper end of the rubber ring, and a pressing plate is fixedly connected to the upper end of the plugging block; fixed subassembly includes the fixed block, and fixed block fixed connection is on the glass manages outer wall, two change rings of fixed block other end symmetry fixedly connected with, and two inside rotations of change ring are connected with same pivot, and pivot center department fixedly connected with changes the strip, changes strip fixed surface and is connected with the fixture block, and the fixture block joint is inside the draw-in groove, and the draw-in groove is seted up on the fixed block upper surface, and the lantern ring has been cup jointed in the activity on the fixed block surface. The utility model has the advantages that: the sealing performance is good, liquid is not easy to leak, and the liquid in the pipette can be stored for a long time.

Description

Pipette device for medical examination

Technical Field

The utility model relates to a pipette technical field specifically is a pipette device for medical science inspection.

Background

The pipette is a measuring device for accurately moving a certain volume of solution, and is a slender glass tube with a swelling part in the middle, the lower end of the glass tube is in a sharp mouth shape, and a marking line is engraved at the neck of the upper end of the glass tube and is a mark for accurately taking the volume.

The pipette needs to press the upper end opening through fingers in the using process, the lower end opening is pushed through the atmospheric pressure to enable liquid to be left in the pipette, however, the pipette is easily pressed manually, the upper end of the pipette is prone to being pressed and unsealed, liquid is prone to leaking, and when the liquid taken out does not need to be used, the liquid in the pipette cannot be left.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipette device for medical science inspection to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pipette device for medical examination comprises a base, wherein the upper end of the base is provided with a pipette assembly, and a fixing assembly is arranged inside the pipette assembly;

the liquid transfer assembly comprises a fixed cylinder, the fixed cylinder is fixedly connected to the upper surface of the base, a glass tube is inserted into the fixed cylinder, a fixed ring is fixedly sleeved on the outer wall of the upper end of the glass tube, a rubber ring is fixedly connected to the upper surface of the fixed ring, a block is clamped at the upper end of the rubber ring, and a pressing plate is fixedly connected to the upper end of the block;

fixed subassembly includes the fixed block, fixed block fixed connection is on the outer wall of glass pipe, two change rings of other end symmetry fixedly connected with of fixed block, two the inside of change ring is rotated and is connected with same pivot, the central fixedly connected with of department of pivot changes the strip, the fixed surface fixedly connected with fixture block of strip changes, the fixture block joint is inside the draw-in groove, the draw-in groove is seted up on the upper surface of fixed block, the lantern ring has been cup jointed in the activity on the surface of fixed block.

Preferably, a first through hole is formed in the surface of the rotating strip, an elastic ring is sleeved inside the first through hole, the other end of the elastic ring is sleeved in a second through hole, and the second through hole is formed in the outer wall of the fixing ring.

Preferably, the diameter of the inner wall at the center of the rubber ring is smaller than that of the inner wall at the upper end.

Preferably, the fixed cylinder is arranged in a conical shape and is matched with the lower end of the glass tube.

Preferably, the inner wall of the upper end of the rubber ring is matched with the blocking block.

The utility model discloses medical science inspection is with pipette device's theory of operation as follows:

when liquid is needed to be taken, the rotating strip is pushed to rotate through pressing the pressing plate, the pressing plate is made to drive the blocking block to move out of the inner part of the rubber ring, then the glass tube is inserted into the liquid, then the pressing plate is released, the first through hole and the second through hole are pulled through the elastic ring, the rotating strip is made to be close to the fixing ring, then the pressing plate is driven to be close to the rubber ring, the blocking block is made to be clamped into the rubber ring, the upper end of the glass tube can be blocked through the blocking block, the liquid is made to be left in the glass, then the lantern ring is pushed to move to the clamping groove, the clamping block is fixed in the clamping groove through the lantern ring, the pressing plate is prevented from moving, finally the glass tube is inserted into the fixing cylinder, the glass tube is supported through the fixing cylinder, and the liquid in the pipette can be kept for a long time.

Compared with the prior art, the beneficial effects of the utility model are that: the sealing performance is good, liquid is not easy to leak, and the liquid in the pipette can be stored for a long time.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of the rotating strip of the present invention;

FIG. 4 is a schematic view of the rubber ring structure of the present invention;

fig. 5 is a schematic view of the structure of the fixing block of the present invention.

In the figure: 1. a base; 2. a pipetting assembly; 21. a fixed cylinder; 22. a glass tube; 23. a fixing ring; 24. A rubber ring; 25. blocking; 26. pressing a plate; 3. a fixing assembly; 31. a fixed block; 32. rotating the ring; 33. a rotating shaft; 34. strip turning; 35. a clamping block; 36. a card slot; 37. a collar; 38. a first through hole; 39. an elastic ring; 310. a second via.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a pipette device for medical examination comprises a base 1, wherein the upper end of the base 1 is provided with a pipette assembly 2, and a fixing assembly 3 is arranged inside the pipette assembly 2;

the liquid transfer assembly 2 comprises a fixed cylinder 21, the fixed cylinder 21 is fixedly connected to the upper surface of the base 1, a glass tube 22 is inserted into the fixed cylinder 21, a fixed ring 23 is fixedly sleeved on the outer wall of the upper end of the glass tube 22, a rubber ring 24 is fixedly connected to the upper surface of the fixed ring 23, a blocking block 25 is clamped at the upper end of the rubber ring 24, a pressing plate 26 is fixedly connected to the upper end of the blocking block 25, the pressing plate 26 pushes a rotating strip 34 to rotate, the pressing plate 26 drives the blocking block 25 to move out of the rubber ring 24, then the glass tube 22 is inserted into liquid, the blocking block 25 is clamped into the rubber ring 24, the upper end of the glass tube 22 is blocked through the blocking block 25, and the liquid is left in the glass tube 22;

fixed subassembly 3 includes fixed block 31, fixed block 31 fixed connection is on the outer wall of glass pipe 22, two change rings 32 of the other end symmetry fixedly connected with of fixed block 31, the inside rotation of two change rings 32 is connected with same pivot 33, the fixedly connected with of center department of pivot 33 changes strip 34, the fixed surface fixedly connected with fixture block 35 of strip 34 changes, fixture block 35 joint is inside draw-in groove 36, draw-in groove 36 is seted up on the upper surface of fixed block 31, the lantern ring 37 has been cup jointed in the activity on the surface of fixed block 31.

First through-hole 38 has been seted up on the surface of commentaries on classics strip 34, elastic ring 39 has been cup jointed to the inside of first through-hole 38, the other end of elastic ring 39 cup joints in second through-hole 310, second through-hole 310 is seted up on the outer wall of solid fixed ring 23, first through-hole 38 and second through-hole 310 are pulled through elastic ring 39, and then make commentaries on classics strip 34 be close to solid fixed ring 23, and then drive clamp plate 26 and be close to rubber ring 24, make blockking 25 block card go into in the rubber ring 24, plug up the upper end of glass pipe 22 through blockking 25, fix fixture block 35 in draw-in groove 36 through lantern ring 37, and then prevent clamp plate 26 and remove, insert glass pipe 22 in solid fixed cylinder 21, support glass pipe 22 through solid fixed cylinder 21, and then make the liquid in the pipette persist for a long time.

The diameter of the inner wall of the center of the rubber ring 24 is smaller than that of the inner wall of the upper end, so that the inner wall of the upper end of the rubber ring 24 forms a conical surface extrusion block 25.

The fixed cylinder 21 is arranged in a conical shape, the fixed cylinder 21 is matched with the lower end of the glass tube 22, and the glass tube 22 is supported by the fixed cylinder 21.

The inner wall of the upper end of the rubber ring 24 is matched with the block 25, so that the rubber ring 24 is stably attached to the block 25.

Specifically, when the utility model is used, firstly, the pressing plate 26 is pressed to push the rotating strip 34 to rotate, so that the pressing plate 26 drives the blocking block 25 to move out from the inside of the rubber ring 24, then the glass tube 22 is inserted into liquid, then the pressing plate 26 is released, the elastic ring 39 is used to pull the first through hole 38 and the second through hole 310, the rotating strip 34 is close to the fixing ring 23, the pressing plate 26 is further driven to be close to the rubber ring 24, the blocking block 25 is clamped into the rubber ring 24, the upper end of the glass tube 22 can be blocked through the blocking block 25, and the liquid is left in the glass tube 22; then the collar 37 is pushed to move to the clamping groove 36, the clamping block 35 is fixed in the clamping groove 36 through the collar 37, the pressing plate 26 is further prevented from moving, finally the glass tube 22 is inserted into the fixed cylinder 21, and the glass tube 22 is supported through the fixed cylinder 21, so that the liquid in the pipette can be stored for a long time.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any number of indicated technical features, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pipette device for medical examination comprises a base (1), wherein the upper end of the base (1) is provided with a pipette component (2), and a fixing component (3) is arranged in the pipette component (2);

the method is characterized in that: the liquid transfer assembly (2) comprises a fixed cylinder (21), the fixed cylinder (21) is fixedly connected to the upper surface of the base (1), a glass tube (22) is inserted into the fixed cylinder (21), a fixed ring (23) is fixedly sleeved on the outer wall of the upper end of the glass tube (22), a rubber ring (24) is fixedly connected to the upper surface of the fixed ring (23), a block (25) is clamped at the upper end of the rubber ring (24), and a pressing plate (26) is fixedly connected to the upper end of the block (25);

fixed subassembly (3) are including fixed block (31), fixed block (31) fixed connection is on the outer wall of glass pipe (22), two swivel (32) of the other end symmetry fixedly connected with of fixed block (31), two the internal rotation of swivel (32) is connected with same pivot (33), fixedly connected with commentaries on classics strip (34) is located at the center of pivot (33), the fixed connection has fixture block (35) on the surface of commentaries on classics strip (34), fixture block (35) joint is inside draw-in groove (36), draw-in groove (36) are seted up on the upper surface of fixed block (31), the lantern ring (37) has been cup jointed in the activity on the surface of fixed block (31).

2. A pipette device for medical examination according to claim 1, characterised in that: the surface of the rotating strip (34) is provided with a first through hole (38), an elastic ring (39) is sleeved inside the first through hole (38), the other end of the elastic ring (39) is sleeved in a second through hole (310), and the second through hole (310) is arranged on the outer wall of the fixing ring (23).

3. A pipette device for medical examination according to claim 1, characterised in that: the diameter of the inner wall at the center of the rubber ring (24) is smaller than that of the inner wall at the upper end.

4. A pipette device for medical examination according to claim 1, characterised in that: the fixed cylinder (21) is arranged in a conical shape, and the fixed cylinder (21) is matched with the lower end of the glass tube (22).

5. A pipette device for medical examination according to claim 1, characterised in that: the inner wall of the upper end of the rubber ring (24) is matched with the blocking block (25).