CN212051403U

CN212051403U - Multi-needle point sample application device

Info

Publication number: CN212051403U
Application number: CN201922421962.5U
Authority: CN
Inventors: 谢仁祥
Original assignee: Yingkai Biotechnology Shanghai Co ltd
Current assignee: Yingkai Biotechnology Shanghai Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-12-01
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a many syringe needles spotting device belongs to a biological medicine spotting device, including the sliding plate, sliding assembly and voice coil motor, sliding assembly include the lead screw and with lead screw matched with lead screw motor, cooperation through lead screw and lead screw motor, the distance that removes about accurate control sliding assembly, voice coil motor's stiff end is connected to the sliding assembly bottom, voice coil motor's expansion end passes through swing joint slide subassembly about layer board and the guide bar subassembly, the layer board below is equipped with U type mount, U type mount is equipped with the telescopic syringe needle, after slide subassembly removes suitable position, control voice coil motor's expansion end up-and-down motion, the push rod that drives the layer board below promotes the syringe needle up-and-down motion in proper order and takes a sample, can once only a plurality of syringe needle samples and transfer the detection, the effectual efficiency that improves the sample.

Description

Multi-needle point sample application device

Technical Field

The utility model relates to a biological medicine sample application equipment, in particular to a multi-needle sample application device.

Background

In the biomedical field, frequent sampling and testing is often required. When sampling, colonies are generally sampled and transferred by touching the colonies with the end of a control needle.

However, most of the current sampling methods are sampling through a single channel, and the sampling efficiency is low, which greatly influences the detection of colonies and subsequent work.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect of the prior art, the utility model provides a many syringe needles sample application device through setting up the intermittent type distance motion of lead screw motor on the lead screw, makes voice coil motor drive the push rod and promotes a plurality of sample application syringe needles on the bottom plate in proper order to can once only take a large amount of samples by many syringe needles, the effectual work efficiency that has improved.

The technical scheme for realizing the purpose is as follows:

the utility model provides a multi-needle point sample application device, which comprises a motor sliding plate, wherein a sliding seat component is arranged below the sliding plate, a sliding rod component matched with the sliding seat component is arranged in the sliding seat component in a penetrating way, two ends of the sliding rod component are respectively fixed at two ends of the sliding plate through a fixed plate, and the sliding seat component slides left and right on the sliding rod component;

a voice coil motor is fixedly connected below the sliding seat component, the voice coil motor is provided with a fixed end and a movable end which are arranged up and down, the top of the fixed end is fixedly connected with the sliding seat component, the bottom of the movable end is fixedly connected with a supporting plate, a vertical push rod is embedded in the bottom of the supporting plate, and the supporting plate is movably connected with the sliding seat component up and down through a guide rod component, so that the supporting plate moves up and down in the guide range of the guide rod component, and the push rod is driven to move up and down;

the front side and the rear side of the sliding plate are connected with a U-shaped fixing frame, the U-shaped fixing frame is provided with a horizontal bottom plate, the bottom plate is provided with a plurality of vertical through holes matched with the push rod, telescopic needles are arranged in the through holes, and the corresponding needles are pushed to sample flora below by the movement of the push rod.

Further, the slide bar subassembly is the lead screw, the slide subassembly include with lead screw matched with lead screw motor and be located the connecting plate of lead screw motor bottom, connecting plate fixed connection the stiff end through the cooperation of lead screw and lead screw motor, the removal distance about the accurate control slide subassembly, and then makes the syringe needle in the corresponding through-hole of push rod promotion.

Furthermore, the bottom of the sliding plate is provided with a sliding rail in the same direction as the screw rod, the screw rod motor is sleeved with a motor fixing frame, the top of the motor fixing frame is connected with a sliding block matched with the sliding rail, the bottom of the motor fixing frame is connected with the connecting plate, and the screw rod motor is fixed at the bottom of the sliding plate through the motor fixing frame and the sliding block and slides on the sliding rail at the bottom of the sliding plate, so that the gravity pressing effect on the screw rod is reduced.

Further, the slide rail is equipped with outside bellied type structure of falling T for the bottom, the slider is equipped with inside bellied U type groove structure for the top.

Furthermore, the guide rod component comprises a plurality of vertical guide rods, one end of each guide rod is fixedly connected with the supporting plate, the other end of each guide rod is movably connected with and penetrates through the connecting plate, a limiting gasket is arranged at the top end of each guide rod, the guide rods are located on the limiting gaskets, part of the limiting gaskets and the connecting plate are sleeved with first elastic devices, the supporting plates are effectively and fixedly connected through the guide rod components, the first elastic devices and the limiting gaskets, the supporting plates can move up and down in a certain elastic range in a telescopic mode, and therefore the needles can be sampled.

Furthermore, a sleeve extending downwards is fixedly arranged in the through hole, a contraction opening with the diameter smaller than that of the sleeve is arranged at the bottom of the sleeve, the needle is located in the sleeve and is sleeved with a second elastic device, after sampling is completed, the push rod rises, and the needle returns to the sleeve under the action of the second elastic device to recover the original position.

Has the advantages that: compared with the prior art, the utility model is different in that the utility model provides a multi-needle point sample application device, which comprises a sliding plate, a sliding component and a voice coil motor, wherein the sliding component comprises a lead screw and a lead screw motor matched with the lead screw, the distance of the sliding component moving left and right is accurately controlled through the matching of the lead screw and the lead screw motor, the bottom of the sliding component is connected with the fixed end of the voice coil motor, the movable end of the voice coil motor is movably connected with a sliding seat component up and down through a support plate and a guide rod component, a U-shaped fixing frame is arranged below the support plate, the U-shaped fixing frame is provided with a telescopic needle head matched with a push rod below the support plate, after the sliding seat component moves to a proper position, the movable end of the voice coil motor is controlled to move up and down, the push rod below, the sampling efficiency is effectively improved.

Drawings

FIG. 1 is a schematic view of a multi-tip printing apparatus according to a preferred embodiment of the present application.

FIG. 2 is a front view of a multi-tip spotting device according to a preferred embodiment of the present application.

Fig. 3 is a partially enlarged sectional view of fig. 2.

The device comprises a sliding plate 1, a U-shaped fixing frame 11, a bottom plate 12, a needle head 13, a sleeve 14, a contraction opening 15, a sliding rail 16, a sliding rod assembly 2, a fixing plate 21, a screw rod motor 3, a motor fixing frame 31, a sliding block 32, a connecting plate 4, a voice coil motor 5, a fixed end 51, a movable end 52, a supporting plate 6, a push rod 61, a guide rod 7, a limiting gasket 71 and a first elastic device 72.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 3, the utility model provides a multi-needle spotting device, which comprises a motor sliding plate 1, a sliding seat component is arranged below the sliding plate 1, a sliding rod component 2 matched with the sliding seat component is arranged in the sliding seat component in a penetrating way, and two ends of the sliding rod component 2 are respectively fixed at two ends of the sliding plate 1 through a fixing plate 21, so that the sliding seat component can slide left and right on the sliding rod component 2;

a voice coil motor 5 is fixedly connected below the sliding seat assembly, the voice coil motor 5 is provided with a fixed end 51 and a movable end 52 which are arranged up and down, the top of the fixed end 51 is fixedly connected with the sliding seat assembly, the bottom of the movable end 52 is fixedly connected with a supporting plate 6, a vertical push rod 61 is embedded at the bottom of the supporting plate 6, the supporting plate 6 is movably connected with the sliding seat assembly up and down through a guide rod assembly, so that the supporting plate 6 moves up and down in the guide range of the guide rod assembly, and the push rod 61 is driven to move up and down;

the front side and the rear side of the sliding plate 1 are connected with U-shaped fixing frames 11, each U-shaped fixing frame 11 is provided with a horizontal bottom plate 12, the bottom plate 12 is provided with a plurality of vertical through holes matched with the push rods 61, telescopic needles 13 are arranged in the through holes, and the corresponding needles 13 are pushed by the movement of the push rods 61 to sample flora below.

Preferably, slide bar component 2 is the lead screw, the slide subassembly include with lead screw matched with lead screw motor 3 and be located the connecting plate 4 of lead screw motor 3 bottom, 4 fixed connections of connecting plate stiff end 51, through lead screw and lead screw motor 3's cooperation, the distance is controlled about the accurate control slide subassembly, and then makes push rod 61 promote syringe needle 13 in the corresponding through-hole.

As a preferred embodiment of the present invention, considering the weight of the lead screw motor 3 and the voice coil motor 5, if the lead screw motor 3, the connecting plate 4, the voice coil motor 5 and the supporting plate 6 are fixed only by the lead screw 2, the lead screw 2 will be supported by a large gravity, which may reduce the quality of use and the service life, therefore, a slide rail 16 is provided at the bottom of the sliding plate 1 in the same direction as the lead screw 2, the lead screw motor 3 is sleeved with a motor fixing frame 31, the top of the motor fixing frame 31 is connected with a slide block 32 matched with the slide rail 16, the bottom of the motor fixing frame 31 is connected with the connecting plate 4, the lead screw motor 3 is fixed at the bottom of the sliding plate 1 by the motor fixing frame 31 and the slide block 32 and slides on the slide rail 16 at the bottom of the sliding plate 1, and more preferably, the slide rail 16 is provided with an inverted T, the sliding block 32 is of a U-shaped groove structure with the top protruding inwards; through the interaction of the sliding block 32 on the motor fixing frame 31 and the sliding rail 16 on the sliding plate 1, the mutual sliding can be realized, and meanwhile, the connection supporting effect can be effectively realized, so that most of the gravity of the lead screw motor 3, the connecting plate 4, the voice coil motor 5 and the supporting plate 6 is borne by the sliding rail 16 and the sliding block 32, and the influence on the lead screw 2 can be greatly reduced.

Preferably, the guide rod assembly comprises two vertical guide rods 7 which are respectively arranged at the left end and the right end of the voice coil motor 5, the bottom ends of the guide rods 7 are fixedly connected with the supporting plate 6, the top ends of the guide rods 7 are movably connected and penetrate through the connecting plate 4, a limiting gasket 71 is arranged after penetrating through the connecting plate 4 and used for limiting a first elastic device 72, the first elastic device 72 is sleeved on the part, located on the limiting gasket 71 and the connecting plate 4, of the guide rods 7, the supporting plate 6 is effectively and fixedly connected through the guide rod assembly, the first elastic device 72 and the limiting gasket 71, the supporting plate 6 can move up and down in a certain elastic range, and therefore the needle 13 can move up and down to sample;

specifically, when the sampling device is not in operation, the supporting plate 6 is fixed below the voice coil motor 5 under the matching action of the first elastic device 72 and the limiting gasket 71, when sampling is performed, the sliding seat assembly moves to a proper position firstly, then, the movable end 52 of the voice coil motor 5 descends, the supporting plate 6 drives the guide rod 7 to descend, the first elastic device 72 at the upper end of the guide rod 7 is further compressed under the action of the limiting gasket 71 and the connecting plate 4, the push rod 61 below the supporting plate 6 moves downwards to push the needle 13 to perform sampling, and after sampling is completed, the supporting plate 6 recovers to the original position under the combined action of the first elastic device 72 and the voice coil motor 5.

Preferably, a sleeve 14 extending downwards is fixedly arranged in the through hole, a contraction port 15 with a diameter smaller than that of the sleeve is arranged at the bottom of the sleeve 14, the needle 13 is positioned in the sleeve 14 and is sleeved with a second elastic device, after sampling is completed, the push rod 61 is lifted, and the needle 13 returns to the sleeve 14 under the action of the second elastic device to restore the original position.

It should be noted that the terms "first and second" in the present invention are used for descriptive purposes only, do not denote any order, are not to be construed as indicating or implying any relative importance, and are to be interpreted as names.

The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.

Claims

1. A multi-needle point sample application device is characterized by comprising a motor sliding plate, a sliding seat component is arranged below the sliding plate, a sliding rod component matched with the sliding seat component penetrates through the sliding seat component, and two ends of the sliding rod component are fixedly arranged at two ends of the sliding plate through a fixing plate respectively;

a voice coil motor is fixedly connected below the sliding seat component, the voice coil motor is provided with a fixed end and a movable end which are arranged up and down, the top of the fixed end is fixedly connected with the sliding seat component, the bottom of the movable end is fixedly connected with a supporting plate, a vertical push rod is embedded in the bottom of the supporting plate, and the supporting plate is movably connected with the sliding seat component up and down through a guide rod component;

the front side and the rear side of the sliding plate are connected with a U-shaped fixing frame, the U-shaped fixing frame is provided with a horizontal bottom plate, the bottom plate is provided with a plurality of vertical through holes matched with the push rods, and telescopic needles are arranged in the through holes.

2. The multiple tip printing device of claim 1, wherein:

the slide bar subassembly is the lead screw, the slide subassembly include with lead screw matched with lead screw motor and be located the connecting plate of lead screw motor bottom, connecting plate fixed connection the stiff end.

3. The multiple tip printing device of claim 2, wherein:

the bottom of the sliding plate is provided with a sliding rail in the same direction as the screw rod, the screw rod motor is sleeved with a motor fixing frame, the top of the motor fixing frame is connected with a sliding block matched with the sliding rail, and the bottom of the motor fixing frame is connected with the connecting plate.

4. A multiple tip deposition device as claimed in claim 3, wherein:

the slide rail is equipped with to the bellied type structure of falling T in the outside for the bottom, the slider is equipped with to the bellied U type groove structure in the inside side for the top.

5. The multiple tip printing device of claim 2, wherein:

the guide rod assembly comprises a plurality of vertical guide rods, one end of each guide rod is fixedly connected with the supporting plate, the other end of each guide rod is movably connected with the connecting plate and penetrates through the connecting plate, a limiting gasket is arranged at the top end of each guide rod, and a first elastic device is sleeved on the part, located on the limiting gasket, of each guide rod and the part, located on the connecting plate, of each guide rod.

6. The multiple tip printing device of claim 1, wherein:

the needle is characterized in that a sleeve extending downwards is fixedly arranged in the through hole, a contraction opening with the diameter smaller than that of the sleeve is arranged at the bottom of the sleeve, and the needle is positioned in the sleeve and is sleeved with a second elastic device.