CN217774171U - Pipettor for medical science inspection - Google Patents

Abstract

The utility model discloses a pipette for medical inspection, which comprises a pipette body, handles are arranged on both sides of the upper end of the pipette body, and a rotating handle is arranged on the left upper end of the pipette body. The lower end of the rotary handle runs through the pipette body and is connected with a rotating shaft, the right side of the pipette body is provided with a sub-housing, the lower side of the rotating shaft and the inside of the sub-housing are provided with an adjustment mechanism, the pipette The lower side of the pipette body is provided with a mounting horizontal plate inside, and the lower side of the mounting horizontal plate and the inner wall of the lower end of the pipette body are separated into a plurality of piston cavities by a plurality of partitions, and the outer wall of the lower end of the pipette body is set There is a connecting plate, the lower side of the piston chamber runs through the connecting plate and is connected with a suction pipe, the lower end of the suction pipe is connected with a liquid suction nozzle, and a storage battery is arranged inside the upper middle part of the pipette body. This device can improve the performance of the device itself. functionality, and at the same time realize the function of automatic pipetting.

Description

A pipette for medical examination

technical field

The utility model belongs to the technical field of medical testing instruments, in particular to a pipette for medical testing.

Background technique

Medical inspection is a technology that uses modern physical and chemical methods and means to conduct medical diagnosis. It mainly studies how to provide evidence for clinical diagnosis and treatment through laboratory technology and medical equipment. This technology requires the use of various photoelectric instruments and chemical reagents to complete experimental analysis. , which requires a pipette for pipetting. A pipette, also known as a pipette gun, is a device for quantitatively transferring liquids. During the research, generally adopt the pipette to extract a small amount or micro amount of liquid, the pipette is convenient for people to extract the liquid in the container.

The current pipettes for medical testing have relatively single functionality, and can only perform a single pipetting function. During the process of pipetting, they cannot keep the internal liquid warm. Manual pressing is used for pipetting, and pressing with fingers for a long time makes the fingers easy to grow calluses and greatly reduces the service life.

Utility model content

The purpose of the utility model is to provide a pipette for medical examination in order to solve the above-mentioned problems.

The technical scheme adopted by the utility model is as follows: a pipette for medical examination, comprising a pipette body, handles are arranged on both sides of the upper end of the pipette body, and a handle is arranged on the left upper end of the pipette body Rotating handle, the lower end of the rotating handle runs through the pipette body and is connected with a rotating shaft, the right side of the pipette body is provided with a sub-housing, the lower side of the rotating shaft and the inside of the sub-housing are provided with an adjustment mechanism, The lower side of the pipette body is provided with a mounting horizontal plate inside, and the lower side of the mounting horizontal plate and the inner wall of the lower end of the pipette body are separated into a plurality of piston cavities by a plurality of partitions, and the pipette body The outer wall of the lower end of the pipette is provided with a connecting plate, the lower side of the piston cavity is connected to a suction pipe through the connecting plate, the lower end of the suction pipe is connected to a liquid suction nozzle, and the upper middle part of the pipette body is provided with a storage battery.

In a preferred embodiment, the upper end of the storage battery runs through the pipette body and is connected to a charging port, the adjustment mechanism includes a screw and a gear, the upper end of the screw is connected to the rotating shaft through a horizontal plate, the A lifting seat is movably installed on the screw rod.

In a preferred embodiment, the left side of the screw rod is provided with a slide bar on the left inner wall of the pipette body, a guide hole is opened on the left side of the lifting base, and the left side of the lifting base slides Connected to the slide bar, the inside of the auxiliary housing is provided with a gear, and the rotational power of the gear comes from a driving motor.

In a preferred embodiment, the left side of the gear is meshed with a gear bar, the left outer end of the gear bar is provided with a guide seat, and the inner wall on the opposite side of the left side of the auxiliary housing is connected with a A sliding bar, the guide seat is slidably installed on the slide bar, and a fixed plate is connected on the inner wall of the opposite side of the guide seat and the lifting seat.

In a preferred embodiment, the left side of the gear is meshed with a gear bar, the left outer end of the gear bar is provided with a guide seat, and the inner wall on the opposite side of the left side of the auxiliary housing is connected with a A sliding bar, the guide seat is slidably installed on the slide bar, and a fixed plate is connected on the inner wall of the opposite side of the guide seat and the lifting seat.

In a preferred embodiment, temperature sensors are provided on the inner walls of the partitions at both ends of the inside of the pipette body, heating elements are provided on the outside of the partition, and heating elements are provided on the outside of the pipette body. In the control chamber, a viewing hole is provided on the outer side of the piston chamber at the outer end of the pipette body, and a scale bar is provided on the viewing hole.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

1. In this utility model, when performing different pipetting at the same time, put the connection cover into one suction nozzle, and then the liquid can be sucked through the other suction nozzle. After the liquid suction is completed, put the other connection cover into the already The suction nozzle after the liquid suction is completed, and then sucks liquid, which can absorb liquids for different liquids, and can realize the multi-purpose function of one machine.

2. In the utility model, the drive motor drives the gear to rotate, and the gear drives the gear bar to move. Through the cooperation of the sliding rod and the guide seat, the stable movement of the gear bar can be realized. The movement of the gear bar drives the push plate to move up and down, which is convenient. It can drive the piston rod at the lower end to move up and down, and then drive the piston head to move up and down, realizing the function of automatic liquid transfer.

3. In the utility model, after pipetting, the heating elements on both sides of the interior can heat and keep the liquid inside. The cooperation between the viewing hole at the outer end and the scale bar can facilitate the adjustment of the pipetting volume and improve the pipetting capacity. Effect.

Description of drawings

Fig. 1 is the overall internal sectional structure schematic diagram of the present utility model;

Fig. 2 is a schematic diagram of the overall front view structure of the utility model;

Fig. 3 is a schematic schematic diagram of an enlarged structure of a part of the adjustment mechanism of the present invention.

Marks in the figure: 1-handle, 2-rotating shaft, 3-rotating handle, 4-battery, 5-adjusting mechanism, 51-screw rod, 52-sliding rod, 53-lifting seat, 54-fixed plate, 55-push plate , 56-Pushing seat, 57-Installation column, 58-Guiding seat, 59-Gear, 60-Gear bar, 61-Sliding rod, 6-Partition, 7-Heating element, 8-Connecting plate, 9-Suction nozzle , 10-suction tube, 11-piston head, 12-piston rod, 13-sub-housing, 14-temperature sensor, 15-pipettor body, 16-scale bar, 17-viewing hole.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Figures 1-3, a pipette for medical testing includes a pipette body 15, handles 1 are provided on both sides of the upper end of the pipette body 15, and a rotating handle 3 is provided at the left upper end of the pipette body 15 , the lower end of the rotating handle 3 runs through the pipette body 15 and is connected to the rotating shaft 2, the right side of the pipette body 15 is provided with a sub-housing 13, and the lower side of the rotating shaft 2 and the interior of the sub-housing 13 are provided with an adjustment mechanism 5, Rotate the rotary handle 3, drive the screw rod 51 to rotate through the rotary handle 3, drive the lifting seat 53 to move through the cooperation of the lifting seat 53 and the slide bar 52, and drive the push plate 55 to move up and down, so that the piston rod 12 at the lower end can be driven to move up and down. It can drive the piston head 11 to move up and down to realize the function of manual pipetting. The lower side of the pipette body 15 is provided with a horizontal plate for installation. The plate 6 is divided into a plurality of piston chambers, and the outer wall of the lower end of the pipette body 15 is provided with a connecting plate 8. The lower side of the piston chamber runs through the connecting plate 8 and is connected with a suction pipe 10, and the lower end of the suction pipe 10 is connected with a liquid suction nozzle 9. Cover is inserted into a liquid suction nozzle 9, and then another liquid suction nozzle 9 can be used to absorb liquid. After the liquid absorption is completed, another connecting cover is inserted into the liquid suction nozzle 9 that has completed the liquid absorption, and then the liquid is sucked. It can absorb different liquids. The upper middle part of the pipette body 15 is equipped with a storage battery 4. The storage battery 4 is charged through the charging port to provide power for the device. When in use, automatic liquid transfer and manual liquid transfer can be realized. function.

It should be noted that the upper end of the accumulator 4 runs through the pipette body 15 and is connected with a charging port. The adjustment mechanism 5 includes a screw 51 and a gear 59. The upper end of the screw 51 is connected to the rotating shaft 2 by installing a horizontal plate. Lifting seat 53 is installed movablely.

It should be noted that the left side of the screw rod 51 is provided with a slide bar 52 on the left inner wall of the pipette body 15, and the left side of the lift seat 53 is provided with a guide hole, and the left side of the lift seat 53 is slidably connected to the slide bar. 52, a gear 59 is provided inside the auxiliary housing 13, and the rotational power of the gear 59 comes from the driving motor.

It should be noted that the left side of the gear 59 is meshed with a gear bar 60, the left outer end of the gear bar 60 is provided with a guide seat 58, and a sliding rod 61 is connected to the inner wall on the opposite side of the left side of the auxiliary housing 13. The guide seat 58 is slidably installed on the slide rod 61, and the inner wall on the opposite side of the guide seat 58 and the lifting seat 53 is connected with a fixed plate 54. During the function of automatic liquid transfer, the drive motor drives the gear 59 to rotate, and the gear 59 drives the gear The bar 60 moves, and through the cooperation of the sliding rod 61 and the guide seat 58, the stable movement of the gear bar 60 can be realized, and the movement of the gear bar 60 drives the push plate 55 to move up and down, so that the piston rod 12 at the lower end can be driven to move up and down. Drive the piston head 11 to move up and down to realize the function of automatic liquid transfer.

It should be noted that the lower end of the fixed plate 54 is connected with a mounting column 57, the lower end of the mounting column 57 is connected with a push plate 55, the lower end of the push plate 55 is connected with the push seat 56, and the lower end of the push seat 56 runs through the installation horizontal plate and is connected with a The piston rod 12 is connected with the piston head 11 at the lower end of the piston rod 12, and the width of the piston head 11 is the same as the inner diameter of the piston chamber.

It should be noted that a temperature sensor 14 is provided on the inner wall of the partition 6 at both ends of the pipette body 15, a heating element 7 is provided on the outside of the partition 6, and a control chamber is provided on the outside of the pipette body 15. The outside of the piston cavity is provided with a viewing hole 17 at the outer end of the pipette body 15, and a scale bar 16 is arranged on the viewing hole 17. The heating elements 7 on both sides of the interior can heat and keep the liquid inside. The cooperation of 17 and scale bar 16 can conveniently adjust the size of the pipetting volume.

Working principle: when the device is in use, first charge the battery 4 through the charging port to provide power for the device. When in use, it can realize the functions of automatic liquid transfer and manual liquid transfer. When the function of automatic liquid transfer is used, The drive motor drives the gear 59 to rotate, and the gear bar 60 is driven to move by the gear 59. Through the cooperation of the sliding rod 61 and the guide seat 58, the stable movement of the gear bar 60 can be realized, and the movement of the gear bar 60 drives the push plate 55 to move up and down. Just can drive the piston rod 12 of lower end to move up and down, just can drive piston head 11 to move up and down, realize the function of automatic pipetting.

When pipetting liquid manually, rotate the rotary handle 3 to drive the screw rod 51 to rotate, through the cooperation of the lifting seat 53 and the sliding rod 52, the lifting seat 53 is driven to move, and the push plate 55 is driven to move up and down, and the piston at the lower end can be driven When the rod 12 moves up and down, it can drive the piston head 11 to move up and down to realize the function of manual pipetting. After pipetting, the heating elements 7 on both sides of the interior can heat and keep the liquid inside. The viewing hole 17 at the outer end and the scale The cooperation of the bar 16 can conveniently adjust the size of the pipetting volume. When it is necessary to carry out different pipetting at the same time, put the connecting cover into a liquid suction nozzle 9, and then the other liquid suction nozzle 9 can be used for suction, and the liquid suction is completed. Afterwards, another connection cover is inserted into the liquid suction nozzle 9 that has been sucked, and then the liquid is sucked, so that different liquids can be sucked.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (6)

1. A pipette for medical testing, comprising a pipette body (15), characterized in that: handles (1) are provided on both sides of the upper end of the pipette body (15), and the pipette body (15) is provided with a rotary handle (3) on the left upper end, and the lower end of the rotary handle (3) passes through the pipette body (15) and is connected with a rotating shaft (2), and the right side of the pipette body (15) A sub-housing (13) is provided on the side, an adjustment mechanism (5) is provided on the lower side of the rotating shaft (2) and the inside of the sub-housing (13), and an adjustment mechanism (5) is provided on the lower side of the pipette body (15). There is an installation horizontal plate, the lower side of the installation horizontal plate and the lower end inner wall of the pipette body (15) are separated into a plurality of piston cavities by a plurality of partitions (6), and the lower end of the pipette body (15) The outer wall is provided with a connecting plate (8), the lower side of the piston chamber runs through the connecting plate (8) and is connected with a suction pipe (10), and the lower end of the suction pipe (10) is connected with a liquid suction nozzle (9), and the liquid pipetting A storage battery (4) is arranged inside the middle upper side of the device body (15). 2. A pipette for medical testing as claimed in claim 1, characterized in that: the upper end of the storage battery (4) runs through the pipette body (15) and is connected to a charging port, and the adjustment mechanism (5) Including screw mandrel (51) and gear (59), the upper end of described screw mandrel (51) is connected with rotating shaft (2) by installing horizontal plate, and lifting seat (53) is movably installed on described screw mandrel (51). 3. a kind of pipette for medical inspection as claimed in claim 2, is characterized in that: the left side of described screw mandrel (51) is provided with slide bar ( 52), the left side of the lifting base (53) is provided with a guide hole, the left side of the lifting base (53) is slidably connected to the slide bar (52), and the inside of the auxiliary housing (13) is provided with gear (59), the rotational power source of the gear (59) comes from the drive motor. 4. A kind of pipette for medical examination as claimed in claim 3, is characterized in that: the left side of described gear (59) is engaged with gear bar (60), and the left side of described gear bar (60) The outer end is provided with a guide seat (58), and a slide bar (61) is connected to the inner wall on the opposite side of the left side of the auxiliary housing (13), and the guide seat (58) is slidably mounted on the slide bar (61) On the inner wall of the opposite side of the guide seat (58) and the lifting seat (53), a fixed plate (54) is connected. 5. A kind of pipette for medical examination as claimed in claim 4, is characterized in that: the lower end of described fixed plate (54) is connected with mounting column (57), and the lower end of described mounting column (57) is connected with Push plate (55), the lower end of described push plate (55) is connected with push seat (56), and the lower end of described push seat (56) is connected with piston rod (12) through installation transverse plate, and described piston rod ( The lower end of 12) is connected with a piston head (11), and the width of the piston head (11) is the same as the inner diameter of the piston chamber. 6. A pipette for medical testing according to claim 1, characterized in that: temperature sensors (14) are provided on the inner walls of the partitions (6) at both ends of the inside of the pipette body (15) ), the outer side of the partition (6) is provided with a heating element (7), the outer side of the pipette body (15) is provided with a control chamber, and the outer side of the piston chamber is at the pipette body (15) The outer end is provided with a viewing hole (17), and a scale bar (16) is provided on the viewing hole (17).

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