CN211837963U - Automatic rack liquid-transfering gun - Google Patents

Abstract

The utility model discloses an automatic rack pipette, including holding a section of thick bamboo, cylindricality rack, tubule, slotted hole, soft magnet piece, ring piston, cone type enclose piece, round piston, capacity section of thick bamboo, push-and-pull rod, gear and motor. The utility model adds a storage battery and a motor, when the forward current is introduced, the motor rotates forward, and the measuring range is enlarged; when letting in reverse current, the motor reversal, the range diminishes, the roll through the gear of installing on the motor drives the cylindricality rack changes the range of pipetting gun, adjust the range of pipetting gun when conveniently getting different dosage reagents, it is more convenient to make the operation, be equipped with the cylindricality rack that gear engagement is connected in bottom sliding connection and the tubule in ring piston and the tubule through the push-pull rod top portion branch that will be connected with the cylindricality rack, simultaneously install taper type surrounding piece and volumetric cylinder intercommunication port department and carry out sealing connection at tubule annular face parcel installation soft magnet piece and tubule bottom, thereby the sediment bits that produce when can avoiding the drive fly to scurry everywhere.

Description

Automatic rack liquid-transfering gun

Technical Field

The utility model relates to a liquid-transfering gun specifically is an automatic rack liquid-transfering gun, belongs to liquid-transfering gun application technical field.

Background

The pipette is one kind of pipettor, is commonly used in the laboratory to the removal of a small amount of or trace liquid, and the specification is different, and the pipette of different specifications matches and uses the rifle head of different sizes, and the shape of different manufacturers' production is also slightly different, but theory of operation and operating method are unanimous basically.

Along with the continuous development of science and technology, the operation of various instruments is more and more convenient, can find at ordinary times when using rack pipette in our use the pipette use this kind of pipette very inconvenient when getting the reagent of different doses many times. Therefore, an automatic rack pipetting gun is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic rack liquid-transfering gun in order to solve the above-mentioned problem.

The utility model realizes the above purpose by the following technical proposal, an automatic rack pipetting gun comprises a hand-held cylinder, a driving mechanism and a protection mechanism, wherein the port at the bottom of the hand-held cylinder is provided with a port at one end of a volumetric cylinder, and a round piston is arranged in the volumetric cylinder in a sliding way;

the driving mechanism comprises two gears, the two gears are meshed with two sides of the same cylindrical rack, the gears are assembled at the corresponding motor shaft ends, the cylindrical rack penetrates into the thin tube in a sliding mode, and two holes are symmetrically formed in the annular surface of the thin tube;

protection machanism encloses the piece including the toper type, the toper type encloses piece both sides port and seals respectively and bonds at holding section of thick bamboo bottom port inboard and tubule bottom port, tubule annular surface bottom parcel has the soft magnet piece, and passes through ring piston and the inboard sliding connection in push-and-pull rod top in the tubule.

Preferably, the number of the motors is two, and the two motors are fixedly arranged on the inner wall of the handheld barrel.

Preferably, the bottom end of the cylindrical rack is rotatably connected with the top end face of the push-pull rod through a rotating shaft, and the top end of the cylindrical rack penetrates through the middle position of the top end face of the handheld cylinder.

Preferably, the tubule is fixedly installed in the middle of the hand holding cylinder, and a finger groove is formed in one side of the annular surface of the hand holding cylinder.

Preferably, the gear part passes through the corresponding hole and is positioned in the thin tube, and the diameter of the port at the two ends of the thin tube is smaller than the inner diameter of the thin tube.

Preferably, a control circuit integrated board is installed in the hand holding cylinder and is electrically connected with the motor through a wire.

The utility model has the advantages that:

1. according to the automatic rack pipette, the storage battery and the motor are added, when the forward current is introduced, the motor rotates forwards, and the measuring range is enlarged; when letting in reverse current, the motor reversal, the range diminishes, and the range of liquid-transfering gun is changed in the roll that drives the cylindricality rack through the gear of installing on the motor, adjusts the range of liquid-transfering gun when conveniently getting different dosage reagents, makes the operation more convenient.

2. This kind of automatic rack pipette is through the push-and-pull rod top portion part that will be connected with cylindricality rack through being equipped with the cylindricality rack that gear engagement connects in ring piston and the tubule in bottom sliding connection and the tubule, installs the coniformly at tubule annular face parcel installation soft magnet piece and tubule bottom simultaneously and encloses piece and a capacity section of thick bamboo intercommunication port department and carry out sealing connection to the sediment bits that produce when can avoiding the drive fly scurries everywhere.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

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

FIG. 2 is a schematic view of the bottom end face structure of the rectangular housing of the present invention;

fig. 3 is a schematic view of the connection structure of the insertion column and the push-pull block of the present invention.

In the figure: 1. the device comprises a handheld cylinder, 2, a cylindrical rack, 3, a thin tube, 4, a strip hole, 5, a soft magnet sheet, 6, a ring piston, 7, a conical surrounding sheet, 8, a round piston, 9, a volumetric cylinder, 10, a push-pull rod, 11, a gear, 12 and a motor.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those 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.

Referring to fig. 1-3, an automatic rack pipetting gun includes a hand-held cylinder 1, a driving mechanism and a protection mechanism, wherein a port at one end of a volumetric cylinder 9 is installed at a port at the bottom of the hand-held cylinder 1, and a circular piston 8 is installed in the volumetric cylinder 9 in a sliding manner;

the driving mechanism comprises two gears 11, the two gears 11 are meshed with two sides of the same cylindrical rack 2, the gears 11 are assembled at the shaft ends of corresponding motors 12, the cylindrical rack 2 penetrates into the thin tube 3 in a sliding mode, and two strip holes 4 are symmetrically formed in the annular surface of the thin tube 3;

protection machanism includes that the toper encloses piece 7, the 7 both sides ports of toper type encloses piece 7 sealed bonding respectively holds 1 bottom port inboardly and 3 bottom ports of tubule of a section of thick bamboo, 3 annular face bottom parcel of tubule have soft magnet piece 5, and through ring piston 6 and the inboard sliding connection in push-and-pull rod 10 top in the tubule 3.

Two motors 12 are arranged, and the two motors 12 are fixedly arranged on the inner wall of the handheld barrel 1, so that the motors 12 can be conveniently fixed on corresponding structures; the bottom end of the cylindrical rack 2 is rotatably connected with the top end face of the push-pull rod 10 through a rotating shaft, and the top end of the cylindrical rack 2 penetrates through the middle position of the top end face of the handheld cylinder 1 to achieve the effect of rotary connection; the thin tube 3 is fixedly arranged in the middle of the handheld barrel 1, and a finger groove is formed in one side of the annular surface of the handheld barrel 1; the gear 11 partially penetrates through the corresponding strip hole 4 and is positioned in the thin tube 3, and the diameter of the port at the two ends of the thin tube 3 is smaller than the inner diameter of the thin tube 3, so that the cylindrical rack 2 can conveniently penetrate through the thin tube; the handheld cylinder 1 is internally provided with a control circuit integrated board, and the control circuit integrated board is electrically connected with the motor 12 through a wire, so that the effect of controlling the operation of the motor 12 is achieved.

The utility model discloses when using, through adding a battery and motor 12, motor 12 corotation when letting in forward current, the range grow, when letting in reverse current, motor 12 reversal, the range diminishes, changes the range of liquid-transfering gun through the roll that gear 11 installed on motor 12 drove cylindricality rack 2, adjusts the range of liquid-transfering gun when conveniently getting different dosage reagents, makes the operation more convenient;

through the push-and-pull rod 10 top portion part that will be connected with cylindricality rack 2 through ring piston 6 with tubule 3 in bottom sliding connection and the tubule 3 be equipped with the cylindricality rack 2 that gear 11 meshing is connected, install simultaneously at 3 annular face parcel installation soft magnet pieces of tubule 5 and 3 bottoms of tubule and carry out sealing connection with the 9 intercommunication ports departments of capacity section of thick bamboo of tapered enclosure piece 8 to the sediment bits that produce when can avoiding the drive fly scurries everywhere.

It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides an automatic rack liquid-transfering gun which characterized in that: the hand-held type automatic opening and closing device comprises a hand-held cylinder (1), a driving mechanism and a protection mechanism, wherein a port at the bottom of the hand-held cylinder (1) is provided with a port at one end of a capacity cylinder (9), and a round piston (8) is arranged in the capacity cylinder (9) in a sliding manner;

the driving mechanism comprises two gears (11), the two gears (11) are meshed with two sides of the same cylindrical rack (2), the gears (11) are assembled at the shaft rod ends of corresponding motors (12), the cylindrical rack (2) penetrates into the thin tube (3) in a sliding mode, and two strip holes (4) are symmetrically formed in the annular surface of the thin tube (3);

protection machanism encloses piece (7) including the toper type, the toper type encloses piece (7) both sides port and seals respectively and bonds in holding a section of thick bamboo (1) bottom port inboard and tubule (3) bottom port, tubule (3) toroidal surface bottom parcel has soft magnet piece (5), and through ring piston (6) and push-and-pull rod (10) top inboard sliding connection in tubule (3).

2. The automatic rack pipetting gun of claim 1, wherein: the two motors (12) are arranged, and the two motors (12) are fixedly arranged on the inner wall of the handheld barrel (1).

3. The automatic rack pipetting gun of claim 1, wherein: the bottom end of the cylindrical rack (2) is rotatably connected with the top end face of the push-pull rod (10) through a rotating shaft, and the top end of the cylindrical rack (2) penetrates through the middle position of the top end face of the handheld cylinder (1).

4. The automatic rack pipetting gun of claim 1, wherein: the tubule (3) is fixedly arranged at the middle position in the handheld barrel (1), and a finger groove is formed in one side of the annular surface of the handheld barrel (1).

5. The automatic rack pipetting gun of claim 1, wherein: the gear (11) partially penetrates through the corresponding bar hole (4) and is positioned in the thin tube (3), and the diameters of the ports at the two ends of the thin tube (3) are smaller than the inner diameter of the thin tube (3).

6. The automatic rack pipetting gun of claim 1, wherein: the hand-held cylinder (1) is internally provided with a control circuit integrated board, and the control circuit integrated board is electrically connected with the motor (12) through a wire.

Images