CN218391680U

CN218391680U - Multichannel pipettor degassing unit

Info

Publication number: CN218391680U
Application number: CN202221412328.0U
Authority: CN
Inventors: 罗海峰; 万欢; 王文峰; 奚建红; 陈洲; 陈超
Original assignee: Hangzhou Jianyi Biotechnology Co ltd
Current assignee: Hangzhou Jianyi Biotechnology Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2023-01-31
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a multichannel pipettor degassing unit, including disinfection base, disinfection base is inside to have the disinfection chamber just the disinfection chamber is equipped with at least one ultraviolet lamp, seted up on disinfection base's the up end a plurality of with the jack of disinfection chamber intercommunication, the rotatable pipettor fixed head of installing in the jack, the pipettor fixed slot has in the pipettor fixed head, and be used for the intercommunication the pipettor rifle head jack of pipettor fixed slot and disinfection chamber still including being used for control pipettor fixed head pivoted rotation control structure. The utility model aims to solve the above-mentioned technical problem that exists among the prior art, provide a multichannel pipettor degassing unit, it can realize the disinfection of a plurality of pipettors simultaneously, and can realize the all-round disinfection to the pipettor rifle head through adjustment disinfection time pipettor rifle head and ultraviolet lamp's relative irradiation angle.

Description

Multichannel pipettor degassing unit

Technical Field

The utility model relates to a biological and medical science laboratory technical field, concretely relates to multichannel pipettor degassing unit.

Background

Pipettors are commonly used for moving small amounts or trace amounts of liquid in laboratories, pipettors of different specifications are matched with tips of different sizes, shapes produced by different manufacturers are slightly different, and the working principle and the operation method are basically consistent. The liquid transfer device has a certain range, and can suck out liquid from a container and move the liquid into a metering device in another container. The device is mainly used for scientific research departments of medicine, environmental protection, food sanitation and the like, and is used for sampling or adding liquid in biochemical analysis and assay.

The volume of the pipetter is generally 1. Mu.L to 10000. Mu.L, and the pipetter is a precision instrument with a small volume, so that the accuracy of pipetting should be ensured to the utmost extent. In the use process, the situations of residual liquid, blockage and the like in a liquid suction nozzle of a liquid transfer device can be caused by improper operation of an operator, and disinfection and maintenance are usually required. Most of the existing disinfection methods are implemented by using chemical medicines, such as alcohol, but the alcohol is easy to volatilize and needs manual operation, so that the condition of incomplete disinfection is inevitable, and other biological materials are polluted in the next experiment; a pipette disinfection box for disinfecting a pipette tip through ultraviolet rays also appears in the market, but the pipette tip cannot be disinfected comprehensively due to the fact that light beams of the LED ultraviolet lamp tube are not distributed uniformly.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to solve the above-mentioned technical problem that exists among the prior art, provide a multichannel pipettor degassing unit, it can realize the disinfection of a plurality of pipettors simultaneously, and can realize the all-round disinfection to the pipettor rifle head through adjustment disinfection time pipettor rifle head and ultraviolet lamp's relative irradiation angle.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

the utility model provides a multichannel pipettor degassing unit, includes the disinfection base, disinfection base inside has the disinfection chamber just the disinfection chamber is equipped with at least one ultraviolet lamp, set up on the up end of disinfection base a plurality of with the jack of disinfection chamber intercommunication, rotatable pipettor fixed head of installing in the jack, the pipettor fixed slot has in the pipettor fixed head to and be used for the intercommunication the pipettor rifle head jack in pipettor fixed slot and disinfection chamber still including being used for control pipettor fixed head pivoted rotation control structure.

Optionally, the rotation control structure includes the hold-in range to and be used for ordering about hold-in range pivoted drive structure, be equipped with on the lateral wall of pipettor fixed head with the driven tooth's socket of hold-in range meshing, the hold-in range simultaneously with a plurality of pipettor fixed head meshing transmission.

Optionally, the driving structure includes a gear in meshing transmission with the synchronous belt, and a motor for driving the gear to rotate.

Optionally, a pipette backup plate is arranged on the disinfection base, and a plurality of pipette gun rod grooves corresponding to the insertion holes one by one are formed in the pipette backup plate.

Optionally, the pipette backup plate includes a fixed backup plate fixedly connected to the disinfection base, a movable backup plate movably connected to the fixed backup plate up and down, and a height adjusting structure for adjusting the lifting height of the movable backup plate.

Optionally, at least one guide rod is arranged on the fixed backup plate, and the movable backup plate slidably penetrates through the guide rod.

Optionally, the height adjustment structure include threaded connection in adjusting screw on the activity backup plate, adjusting screw's lower extreme extends the below of activity backup plate and with fixed backup plate looks butt, adjusting screw's upper end has linked firmly rotary control spare.

Optionally, a flexible anti-slip pad is arranged on the inner wall of the pipette fixing head.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

when the multichannel pipettor disinfection device is used for disinfection, the pipettor is indirectly controlled to rotate through the rotation of the pipettor fixing head, so that the relative irradiation angle between the pipette head and the ultraviolet lamp during disinfection is adjusted, and the omnibearing disinfection of the pipette head is realized.

Drawings

Fig. 1 is a schematic structural view of a multichannel pipette disinfection device according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a multichannel pipette disinfection device according to an embodiment of the present invention;

1. disinfecting the base; 2. an ultraviolet lamp; 3. a jack; 4. a pipettor fixed head; 5. a pipettor fixation slot; 6. a pipette tip insertion hole; 7. a synchronous belt; 8. a gear; 9. a motor; 10. a pipette backup plate; 11. a pipette lance slot; 12. fixing a backup plate; 13. a movable backup plate; 14. a guide bar; 15. adjusting the screw rod; 16. the control member is rotated.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "fixed," "disposed," "secured" or "disposed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered to be "fixedly connected" to another element, the two elements may be fixed by way of detachable connection, or may be fixed by way of non-detachable connection, such as socket connection, snap connection, integrally formed fixation, welding, etc., which can be realized in the prior art, and thus are not cumbersome. When an element is perpendicular or nearly perpendicular to another element, it is desirable that the two elements are perpendicular, but some vertical error may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The references to "first" and "second" in the present invention do not denote any particular quantity or order, but rather are merely used to distinguish one name from another.

With reference to fig. 1 and 2, the multichannel pipette disinfection device of the present embodiment includes a disinfection base 1, a disinfection cavity is formed in the disinfection base 1, and the disinfection cavity is provided with at least one ultraviolet lamp 2, and naturally, when the space inside the disinfection cavity allows, a plurality of ultraviolet lamps 2 are additionally installed to improve the disinfection effect; the disinfection device is characterized in that a plurality of jacks 3 communicated with the disinfection cavity are formed in the upper end face of the disinfection base 1, a pipettor fixing head 4 is rotatably mounted in the jacks 3 through bearings, a pipettor fixing groove 5 is formed in the pipettor fixing head 4, a pipettor gun head jack 6 used for communicating the pipettor fixing groove 5 with the disinfection cavity is used for inserting a pipette gun rod into the pipettor fixing groove 5 to fix the pipettor gun head into the disinfection cavity, and meanwhile, the pipettor gun head can stretch into the disinfection cavity through the pipettor gun head jack 6 and is further provided with a rotary control structure used for controlling the pipettor fixing head 4 to rotate, so that the relative irradiation angle between the pipettor gun head and the ultraviolet lamp 2 during disinfection is adjusted, and the omnibearing disinfection of the pipettor gun head is realized.

As the utility model discloses an alternative scheme, the rotation control structure includes hold-in range 7, and is used for ordering about hold-in range 7 pivoted drive structure, be equipped with on pipettor fixed head 4's the lateral wall with hold-in range 7 meshes driven tooth's socket, hold-in range 7 simultaneously with a plurality of pipettor fixed head 4 meshes the transmission, that is to say, hold-in range 7 twines simultaneously in a plurality of on the pipettor fixed head 4, hold-in range 7's inside wall simultaneously with a plurality of pipettor fixed head 4's lateral wall contacts when fixed band 7 rotates, a plurality of pipettor fixed head 4 can keep same frequency synchronous rotation, in this embodiment, the drive structure include with hold-in range 7 meshes driven gear 8, and is used for ordering about the rotatory motor 9 of gear 8, motor 9 install in disinfection base 1 is outside, its output shaft stretch into to in disinfection base 1 with gear 8 links firmly, in order to pass through gear 8 orders about hold-in range 7 rotates.

As the utility model discloses an alternative, be equipped with pipettor backup plate 10 on the disinfection base 1, be equipped with on the pipettor backup plate 10 a plurality of with the pipettor rifle bar groove 11 of 3 one-to-ones of jack, pipettor rifle bar groove 11 is convex structure, and the stock part of pipettor can support and lean on in pipettor rifle bar groove 11, because pipettor rifle bar only some insert extremely in pipettor fixed slot 5, stability is not high when rotating, through inciting somebody to action the pipettor rifle bar supports and leans on can improve on the pipettor backup plate 10 stability when the pipettor rotates.

As the utility model discloses an alternative, in order to make the more stable support of pipettor rifle bar leans on the pipettor backup plate 10, the upper end of disinfection base 1 is the slope setting, just pipettor backup plate 10 with the up end of disinfection base 1 sets up perpendicularly and locates the lower side of the up end of disinfection base 1.

As an alternative of the present invention, the pipette back plate 10 includes a fixed back plate 12 fixedly connected to the disinfection base 1, and a movable back plate 13 vertically movably connected to the fixed back plate 12, the pipette rod groove 11 is in all the settings on the fixed back plate 12 and the movable back plate 13, and further includes a height adjusting structure for adjusting the lifting height of the movable back plate 13, so as to make the upper end of the pipette back plate 10 height adjustable, such a design is mainly for adapting to pipettors of different sizes, because the tail end of the pipettor is provided with an operating handle, the tail end portion of the pipettor cannot be abutted against the pipette back plate 10, otherwise, the tail end portion of the pipettor will collide with the pipette back plate 10 when the pipettor rotates, and through the above structural design, the above problems can be effectively prevented.

As the utility model discloses an alternative scheme, be equipped with at least one guide bar 14 on the fixed backup plate 12, guide bar 14 is followed the direction of height of fixed backup plate 12 extends, activity backup plate 13 slidable wears to locate on the guide bar 14, thereby makes activity backup plate 13 only can follow fixed direction and make a round trip the activity regulation, in this embodiment, the altitude mixture control structure include threaded connection in adjusting screw 15 on the activity backup plate 13, adjusting screw 15 runs through from top to bottom activity backup plate 13 sets up, adjusting screw 15's lower extreme extends the below of activity backup plate 13 and with fixed backup plate 12 looks butt, adjusting screw 15's upper end has linked firmly rotary control piece 16, rotary control piece 16 supplies the user to control through the frictional force control rotation of hand, thereby control adjusting screw 15 stretches out to the length of activity backup plate 13 below, and then realizes the altitude mixture control of activity backup plate 13.

As the utility model discloses an alternative, in order to guarantee when pipettor fixed head 4 rotates, can rotate through the stable drive pipettor of frictional force, be equipped with flexible slipmat on the inner wall of pipettor fixed head 4, flexible slipmat specifically is the rubber pad.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. A multichannel pipettor degassing device which characterized in that: including the disinfection base, disinfection base inside has the disinfection chamber just the disinfection chamber is equipped with at least one ultraviolet lamp, seted up on the up end of disinfection base a plurality of with the jack of disinfection chamber intercommunication, rotatable the installing of jack has the pipettor fixed head, the pipettor fixed slot has in the pipettor fixed head to and be used for the intercommunication the pipettor rifle head jack in pipettor fixed slot and disinfection chamber still including being used for control pipettor fixed head pivoted spin control structure.

2. The multichannel pipette disinfection device of claim 1, wherein: the rotary control structure comprises a synchronous belt and a driving structure used for driving the synchronous belt to rotate, a tooth groove meshed with the synchronous belt for transmission is formed in the outer side wall of the liquid transfer device fixing head, and the synchronous belt is meshed with the liquid transfer device fixing head for transmission.

3. A multichannel pipette disinfection device according to claim 2, characterised in that: the driving structure comprises a gear in meshing transmission with the synchronous belt and a motor for driving the gear to rotate.

4. A multichannel pipette disinfection device according to any of claims 1-3, characterised in that: the disinfection base is provided with a pipettor backup plate, and the pipettor backup plate is provided with a plurality of pipettor gun rod grooves which correspond to the jacks one by one.

5. The multichannel pipette disinfection device of claim 4, wherein: the pipettor backup plate comprises a fixed backup plate fixedly connected to the disinfection base, a movable backup plate movably connected to the fixed backup plate up and down, and a height adjusting structure for adjusting the lifting height of the movable backup plate.

6. The multichannel pipette disinfection device of claim 5, wherein: the fixed backup plate is provided with at least one guide rod, and the movable backup plate can slidably penetrate through the guide rod.

7. The multichannel pipette disinfection device of claim 6, wherein: the height adjusting structure comprises an adjusting screw rod in threaded connection with the movable backup plate, the lower end of the adjusting screw rod extends to the position below the movable backup plate and is abutted against the fixed backup plate, and the upper end of the adjusting screw rod is fixedly connected with a rotary control piece.

8. A multichannel pipette disinfection device according to any of claims 1-3, characterised in that: and a flexible anti-slip pad is arranged on the inner wall of the pipettor fixing head.