CN210058299U

CN210058299U - Pipettor for medical science inspection

Info

Publication number: CN210058299U
Application number: CN201920632595.0U
Authority: CN
Inventors: 孙晓琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-02-14
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a pipettor for medical science inspection, which comprises a housin, the inner chamber central point of casing puts the left side and has connect the circle axle along the fore-and-aft direction coupling, the outer wall of circle axle is provided with the gear, the spout has been seted up along upper and lower direction in the inner chamber left side of casing, the inner chamber of spout is embedded to have the assorted slider, the inner chamber of rectangle case is provided with seal structure. This pipettor for medical science inspection, through the downstream push rod, first rack is followed the downstream, make gear anticlockwise rotation, drive second rack rebound, make the piston follow rebound, can inhale the inner chamber of rectangle box with solution, through side pressure movable connecting rod left, make the baffle move to the left side at the inner chamber of rectangle case, the space size of steerable rectangle incasement, with the flow of adjusting solution, the assurance device can be according to the size of inspection demand regulation solution flow, be convenient for the inspection personnel carry out quantitative inspection work, it is comparatively accurate to make the testing result.

Description

Pipettor for medical science inspection

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a pipettor for medical science inspection.

Background

A liquid transfer device, also called a liquid transfer gun, is a metering tool for transferring liquid from an original container to another container within a certain range, and the medical inspection is a technology for performing medical diagnosis by using modern physical and chemical methods and means.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipettor 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 pipettor for medical examination comprises a shell, wherein a round shaft is axially connected to the left side of the center position of an inner cavity of the shell along the front-back direction, a gear is arranged on the outer wall of the round shaft, a sliding groove is formed in the left side of the inner cavity of the shell along the up-down direction, a matched sliding block is embedded in the inner cavity of the sliding groove, a first straight rack meshed with the gear is arranged on the right side of the sliding block, a push rod is mounted at the top end of the first straight rack, the top end of the push rod extends out of the top end of the shell, a rectangular box is arranged on the right side of the bottom end of the shell, a needle head is arranged on the left side of the bottom end of the rectangular box, a sealing structure is arranged in the inner cavity of the rectangular box, a rectangular box is arranged on the right side of the, and a second spur rack meshed with the gear is arranged on the left side of the top end of the upright column.

Preferably, the sealing structure comprises a through hole, a sealing gasket, a baffle plate, a connecting rod and a spring;

the right side of rectangle case is seted up about the through-hole that link up, the inner wall of through-hole all is provided with sealed the pad all around, the inner chamber of rectangle case be provided with rectangle incasement chamber assorted baffle, and the right side of baffle runs through sealed the pad and extend the rectangle case, the right side of baffle is provided with the connecting rod, fixed mounting has the spring between connecting rod and the casing.

Preferably, the height of the first straight rack is the same as that of the second straight rack, and the heights of the first straight rack and the second straight rack are half of the height of the inner cavity of the shell.

Preferably, the sliding block and the sliding groove are both in a dovetail shape.

Preferably, the baffle plate and the sealing gasket are attached to each other.

Compared with the prior art, the beneficial effects of the utility model are that: this pipettor for medical science inspection, through the downstream push rod, first rack is followed the downstream, make gear anticlockwise rotation, drive second rack rebound, make the piston follow rebound, can inhale the inner chamber of rectangle box with solution, through side pressure movable connecting rod left, with spring compression, make the baffle move to the left side at the inner chamber of rectangle case, the space size of steerable rectangle incasement, with the flow of adjusting solution, the assurance device can be according to the size that the inspection demand adjusted the solution flow, it carries out quantitative inspection work to be convenient for the inspection personnel, it is comparatively accurate to make the testing result.

Drawings

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

fig. 2 is an enlarged schematic structural view at a position a of the present invention;

fig. 3 is an enlarged schematic structural diagram of the position B of the present invention.

In the figure: 1. the device comprises a shell, 2, a round shaft, 3, a gear, 4, a sliding groove, 5, a sliding block, 6, a first straight rack, 7, a push rod, 8, a rectangular box, 9, a needle, 10, a through hole, 11, a sealing gasket, 12, a baffle, 13, a connecting rod, 14, a spring, 15, a rectangular box, 16, an upright post, 17, a piston, 18 and a second straight rack.

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. 1-3, the present invention provides a technical solution: a pipettor for medical examination comprises a shell 1, a round shaft 2 is axially connected to the left side of the center position of an inner cavity of the shell 1 along the front-back direction, a gear 3 is arranged on the outer wall of the round shaft 2, a sliding groove 4 is formed in the left side of the inner cavity of the shell 1 along the up-down direction, a matched sliding block 5 is embedded in the inner cavity of the sliding groove 4, the sliding block 5 can slide up and down in a reciprocating manner in the inner cavity of the sliding groove 4, and meanwhile, a first straight rack 6 which is meshed with the gear 3 is arranged on the right side of the sliding block 5, the first straight rack 6 can drive the gear 3 to rotate anticlockwise when moving downwards, a push rod 7 is arranged at the top end of the first straight rack 6, the top end of the push rod 7 extends out of the top end of the shell 1, a rectangular box 8 is arranged on the right side of the bottom end of the shell 1, a needle 9 is arranged on the left, the purpose of controlling the flow of the solution is achieved, a rectangular box 15 is arranged on the right side of an inner cavity of the shell 1, an upright post 16 is installed in the inner cavity of the rectangular box 15, the rectangular box 15 extends out of the top end of the upright post 16, a piston 17 matched with the inner cavity of the rectangular box 15 is arranged at the bottom end of the upright post 16, the solution can be sucked into the inner cavity of the rectangular box 15 through upward movement of the piston 17, a second straight rack 18 meshed with the gear 3 is arranged on the left side of the top end of the upright post 16, and the gear 3 rotates anticlockwise to drive the second straight rack 18 to move.

Preferably, the sealing structure comprises a through hole 10, a sealing gasket 11, a baffle 12, a connecting rod 13 and a spring 14;

through-hole 10 that link up about rectangular box 8's right side is seted up, the inner wall of through-hole 10 all is provided with sealed pad 11 all around, rectangular box 8's inner chamber be provided with rectangular box 8 inner chamber assorted baffle 12, and baffle 12's right side runs through sealed pad 11 and extends rectangular box 8, can be with the space seal of rectangular box 8 inner chamber or open through baffle 12, baffle 12's right side is provided with connecting rod 13, can compress spring 14 through connecting rod 13, fixed mounting has spring 14 between connecting rod 13 and the casing 1, spring 14 is coil spring, the elastic coefficient is 18N/CM, spring 14 receives tensile or produces elastic deformation after the extrusion, resume to initial condition after getting rid of external force.

Preferably, the height of the first spur rack 6 is the same as that of the second spur rack 18, and the heights of the first spur rack 6 and the second spur rack 18 are both half of the height of the inner cavity of the housing 1, so that the first spur rack 6 can be always meshed with the gear 3 when moving to the bottom end, and the second spur rack 18 can be driven to move upwards.

Preferably, the sliding block 5 and the sliding groove 4 are both dovetail-shaped, so that the sliding block 5 is more stable when moving in the inner cavity of the sliding groove 4.

Preferably, the baffle 12 and the sealing gasket 11 are adhered to each other to prevent the solution from flowing out of the inner cavity of the through hole 10.

The following components are provided according to the scheme:

gasket 11: the silica gel is positioned around the inner wall of the through hole 10, so that the sealing performance and the waterproof performance between the baffle 12 and the through hole 10 can be improved.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the device is used, a user holds the device with a hand, puts a needle 9 into a solution, presses a push rod 7 downwards to drive a first straight rack 6 to move downwards, simultaneously moves a slide block 5 downwards in an inner cavity of a chute 4 to drive a gear 3 to rotate anticlockwise to drive a second straight rack 18 to move upwards, an upright post 16 moves upwards along with the upright post to drive a piston 17 to move upwards in the inner cavity of a rectangular box 15, the solution is sucked into the inner cavity of the rectangular box 15 through a rectangular box 8, after the solution is extracted, the push rod 7 is released, the connecting rod 13 is pressed leftwards by the hand to compress a spring 14, a baffle plate 12 is driven to move leftwards and is attached to the inner wall of the rectangular box 8, the inner cavity of the rectangular box 8 is isolated and sealed to prevent the solution from flowing out, when the solution is discharged, the pressure of the connecting rod 13 is gradually applied to the hand according to requirements to cause the spring 17 to pop up, the baffle plate 12, the flow when making solution discharge is less, and the inspection personnel can be according to the manual pressure of adjusting connecting rod 13 of demand to change baffle 12 in the position of 8 inner chambers of rectangle case, can reach the purpose of control solution flow size, can effectually avoid the flow too big, solution is more when leading to the inspection, and the inspection accuracy when influencing the ration, and easy operation is favorable to the popularization and the use of device.

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 illustrated 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" or "coupling" or "snap" or "set" or "mount" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; 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 for medical examination, comprising a housing (1), characterized in that: the inner cavity center position left side of casing (1) has connect round axle (2) along the fore-and-aft direction hub connection, the outer wall of round axle (2) is provided with gear (3), spout (4) have been seted up along upper and lower direction in the inner cavity left side of casing (1), the inner chamber of spout (4) is embedded to have assorted slider (5), the right side of slider (5) is provided with first rack (6) that meshes with gear (3), push rod (7) are installed to the top of first rack (6), and the top of push rod (7) extends the top of casing (1), the bottom right side of casing (1) is provided with rectangle case (8), the bottom left side of rectangle case (8) is provided with syringe needle (9), the inner chamber of rectangle case (8) is provided with seal structure, the inner chamber right side of casing (1) is provided with rectangle box (15), the inner chamber of rectangle box (15) is installed stand (16), and extends rectangle box (15) on the top of stand (16), the bottom of stand (16) be provided with rectangle box (15) inner chamber assorted piston (17), the top left side of stand (16) is provided with second spur rack (18) with gear (3) looks meshing.

2. A pipette for medical examination according to claim 1, characterized in that: the sealing structure comprises a through hole (10), a sealing gasket (11), a baffle plate (12), a connecting rod (13) and a spring (14);

the right side of rectangle case (8) is seted up and is controlled through-hole (10) that link up, the inner wall of through-hole (10) all is provided with sealed pad (11) all around, the inner chamber of rectangle case (8) be provided with rectangle case (8) inner chamber assorted baffle (12), and the right side of baffle (12) runs through sealed pad (11) and extend rectangle case (8), the right side of baffle (12) is provided with connecting rod (13), fixed mounting has spring (14) between connecting rod (13) and casing (1).

3. A pipette for medical examination according to claim 1, characterized in that: the height of the first straight rack (6) is the same as that of the second straight rack (18), and the heights of the first straight rack (6) and the second straight rack (18) are half of the height of the inner cavity of the shell (1).

4. A pipette for medical examination according to claim 1, characterized in that: the sliding block (5) and the sliding groove (4) are both in a dovetail shape.

5. A pipette for medical examination according to claim 2, characterized in that: the baffle (12) and the sealing gasket (11) are mutually attached.