CN218981621U

CN218981621U - Manual plate rotating device for pipette tip

Info

Publication number: CN218981621U
Application number: CN202223552938.3U
Authority: CN
Inventors: 黄建涛; 陈超原
Original assignee: Foshan Super Hydrogen Intelligent Equipment Co ltd
Current assignee: Foshan Super Hydrogen Intelligent Equipment Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-09
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a manual plate rotating device of a pipetting tip, which relates to the technical field of pipettors, and comprises: a fixed handle; the clamping and releasing plate is arranged on the fixed handle and is provided with a plurality of matching holes in an array; the sliding component is slidably arranged between the fixed handle and the clamping and releasing plate, a plurality of plugs are arranged on one side of the sliding component facing the clamping and releasing plate in an array manner, and the plugs correspond to the matching holes respectively and are in sliding fit up and down; and the locking part is horizontally and slidably arranged on the fixed handle, and limits the upward sliding of the sliding assembly when the locking part slides to a position abutting against the sliding assembly. The manual plate rotating device of the pipetting suction head limits stripping and improves the reliability of the transferring process.

Description

Manual plate rotating device for pipette tip

Technical Field

The utility model relates to the technical field of pipettors, in particular to a manual plate rotating device of a pipetting tip.

Background

The pipette is used for transferring the pipette tips sucked with liquid in batches, the pipette tips are in clamping fit with the plugs of the pipette, and after the pipette tips are transferred to a designated area, the pipette tips are separated from the plugs through sliding of the discharging part, and particularly, the discharging plate can push the pipette tips downwards or the plugs slide upwards and separate from the pipette tips.

The current pipettor is not provided with a locking structure for limiting the sliding of the discharging part, and the misoperation can lead to the separation of the suction head in the transfer process, thereby affecting the transfer of the suction head.

Disclosure of Invention

The utility model mainly aims to provide a manual plate rotator of a liquid-transfering suction head, which aims to limit stripping and improve the reliability of a transferring process.

In order to achieve the above object, the present utility model provides a manual plate rotator for a pipette tip, comprising:

a fixed handle;

the clamping and releasing plate is arranged on the fixed handle and is provided with a plurality of matching holes in an array;

the sliding component is slidably arranged between the fixed handle and the clamping and releasing plate, a plurality of plugs are arranged on one side of the sliding component facing the clamping and releasing plate in an array manner, and the plugs correspond to the matching holes respectively and are in sliding fit up and down;

and the locking part is horizontally and slidably arranged on the fixed handle, and limits the upward sliding of the sliding assembly when the locking part slides to a position abutting against the sliding assembly.

Optionally, the locking component has a guiding portion and a limiting portion, a guiding groove and an abutting portion are arranged at the top of the sliding component, and the locking component horizontally slides to enable the limiting portion to abut against the top of the abutting portion, so that upward sliding of the sliding component is limited.

Optionally, the abutting portion has two and is located the both sides of guide way, one abutting portion orientation one side of locking part still is equipped with the groove of stepping down, spacing portion is first spacing portion and second spacing portion, first spacing portion with the guide portion interval sets up, the second spacing portion is hugged closely the guide portion and forms the direction subassembly, the direction subassembly with when the guide way aligns, first spacing portion with the groove of stepping down aligns, the slip subassembly can upwards slide, first spacing portion with second spacing portion respectively with two when the top butt of abutting portion, the restriction slip subassembly upwards slides.

Optionally, the locking component includes:

the locking block is positioned below the fixed handle, and the guide part and the limiting part are arranged on the locking block;

the locking switch is connected with the locking block and is horizontally arranged at the top of the fixed handle in a sliding mode so as to drive the locking block to synchronously and horizontally slide.

Optionally, the sliding assembly includes:

the guide groove and the abutting part are arranged on the sliding handle;

the mounting seat assembly is arranged on one side, far away from the locking part, of the sliding handle, and the plurality of plugs are arranged on the mounting seat assembly.

Optionally, the mount assembly includes:

the fixed plate is arranged at the bottom of the sliding handle, the fixed plate array is provided with a plurality of mounting grooves, and one end of the plug is arranged in the mounting grooves;

the pressing plate is used for pressing the plug, the pressing plate is arranged at the bottom of the fixing plate, the pressing plate array is provided with a plurality of through holes, and the plug passes through the through holes and is matched with the matching holes in an up-and-down sliding mode.

Optionally, the fixing plate and the pressing plate are detachably connected through a threaded fastener.

Optionally, a return spring is further arranged between the sliding handle and the fixed handle.

Optionally, the return springs are four and are arranged at the top of the abutting part in a mode of one side and two sides.

Optionally, a plurality of areas distributed in steps are formed from the middle to the periphery at the bottom of the clamping and releasing plate.

The technical scheme of the utility model comprises a fixed handle, a clamping and releasing plate, a sliding component and a locking component, wherein the sliding component is slidably arranged between the fixed handle and the clamping and releasing plate and is provided with a plug for clamping the suction head, when the suction head needs to be released, the sliding component slides upwards to enable the plug to synchronously move and separate from the suction head, when the suction head is transferred, the sliding component is limited to slide upwards by the locking component, and the locking component is used for limiting the sliding component to slide, so that the technical problem that the suction head is released in the transfer process due to easy misoperation caused by the fact that a locking structure is not arranged in the prior art is effectively solved, and the technical effects of limiting the releasing and improving the reliability of the transfer process are further realized.

Drawings

FIG. 1 is a schematic view of a manual plate rotator for a pipette tip according to one embodiment of the present utility model;

FIG. 2 is a schematic front view of a manual plate rotator of the pipette tip of the present utility model;

FIG. 3 is a schematic bottom view of a manual plate rotator of a pipette tip of the present utility model;

FIG. 4 is a schematic cross-sectional view taken along line A-A in FIG. 3;

FIG. 5 is a schematic cross-sectional view taken along line B-B in FIG. 3;

reference numerals illustrate:

a pipette tip manual plate rotator 100; a fixed handle 10; a card release plate 20; a slide assembly 30; a plug 31; a slide handle 32; a guide groove 321; an abutment 322; a relief groove 3221; a mount assembly 33; a fixing plate 331; a pressing plate 332; a locking member 40; a lock block 41; a guide 411; a first limiting portion 412; a second stopper 413; a lock switch 42; and a return spring 50.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a manual plate rotator 100 for pipette tips, which is used for transferring the pipette tips in batches.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

In the embodiment of the present utility model, as shown in fig. 1, 2, 3, 4 and 5, the manual plate rotator 100 for a pipette tip comprises a fixed handle 10, a releasing plate 20, a sliding assembly 30 and a locking part 40, wherein the releasing plate 20 is arranged on the fixed handle 10, and a plurality of matching holes are arranged on the releasing plate 20 in an array; the sliding component 30 is slidably arranged between the fixed handle 10 and the clamping and releasing plate 20, a plurality of plugs 31 are arrayed on one side of the sliding component 30 facing the clamping and releasing plate 20, and the plugs 31 respectively correspond to the plurality of matching holes and are matched in a sliding way up and down; the locking member 40 is provided horizontally slidably on the fixed handle 10, and the locking member 40 is slid to a position abutting against the slide assembly 30 to restrict upward sliding of the slide assembly 30.

It can be understood that the use state of the present utility model is that the releasing plate 20 is located at the lower position, the fixed handle 10 is located at the upper position, and the bottom of the sliding component 30 is abutted against the upper end surface of the releasing plate 20, when the suction head needs to be released from the plug-in nozzle 31, the sliding component 30 is pressed upwards, the plurality of plug-in nozzles 31 slide upwards synchronously, and the releasing plate 20 is abutted against the upper end surface of the suction head to push the suction head, so that the locking component 40 is abutted against the sliding component 30 to limit the upward sliding of the sliding component 30, i.e. avoid the release of the suction head caused by misoperation. The locking member 40 has two states, namely, a locked state and an unlocked state, and when the locking member 40 is in the locked state, the locking member 40 abuts against the sliding assembly 30 to limit the upward sliding of the sliding assembly 30, and when the locking member 40 is in the unlocked state, the sliding assembly 30 can slide upward. The utility model is realized by that the plug-in nozzle 31 is in clamping fit with the suction head, when the suction head needs to be transferred from the first suction head frame to the second suction head frame, the locking part 40 is adjusted to be in a locking state, at the moment, the sliding component 30 cannot slide upwards, the manual plate rotator 100 of the liquid-transferring suction head is moved to the position of the first suction head frame, the plurality of plug-in nozzles 31 are aligned with the plurality of suction heads placed on the first suction head frame, the manual plate rotator 100 of the liquid-transferring suction head is pressed downwards, the plug-in nozzle 31 stretches into the suction head and is clamped, the suction head can be taken in the state, the problem that the suction head is not clamped in place due to the pushing of the plug-in nozzle 31 can be avoided, then the manual plate rotator 100 of the liquid-transferring suction head drives the plurality of suction heads to be transferred, when the sliding component 40 is adjusted to be in an opening state, at the moment, the sliding component 30 can slide upwards, the plurality of suction heads are correspondingly placed in the plurality of placing grooves of the second suction head frame, the plurality of plug-in grooves are pressed upwards, the sliding component 30 synchronously slide upwards, the plurality of plug-in nozzles 31 are prevented from being clamped, and the top end faces of the plurality of suction heads are separated from the plug-in the clamping plate 20.

The technical scheme of the utility model comprises a fixed handle 10, a clamping and releasing plate 20, a sliding component 30 and a locking component 40, wherein the sliding component 30 is slidably arranged between the fixed handle 10 and the clamping and releasing plate 20 and is provided with a plug nozzle 31 for clamping a suction head, when the suction head needs to be released, the sliding component 30 slides upwards to enable the plug nozzle 31 to synchronously move and release the suction head, when the suction head is transferred, the sliding component 30 is limited to slide upwards by the locking component 40, and the technical means that the sliding component 30 is limited to slide by the locking component 40 is adopted, so that the technical problem that the suction head is released in the transfer process due to misoperation easily caused by not arranging a locking structure in the prior art is effectively solved, and the technical effects of limiting the release of materials and improving the reliability of the transfer process are further realized.

In the embodiment of the present utility model, as shown in fig. 1 and 4, the locking member 40 has a guide portion 411 and a limiting portion, the top of the sliding assembly 30 is provided with a guide groove 321 and an abutment portion 322, and the locking member 40 horizontally slides such that the limiting portion abuts against the top of the abutment portion 322, thereby limiting the upward sliding of the sliding assembly 30.

In the embodiment of the present utility model, as shown in fig. 4, two abutting portions 322 are located at two sides of the guiding groove 321, a yielding groove 3221 is further provided on one side of one abutting portion 322 facing the locking member 40, the limiting portions are a first limiting portion 412 and a second limiting portion 413, the first limiting portion 412 is spaced from the guiding portion 411, the second limiting portion 413 is closely attached to the guiding portion 411 and forms a guiding assembly, when the guiding assembly is aligned with the guiding groove 321, the first limiting portion 412 is aligned with the yielding groove 3221, the sliding assembly 30 can slide upwards, and when the first limiting portion 412 and the second limiting portion 413 are respectively abutted with the tops of the two abutting portions 322, the sliding assembly 30 is limited to slide upwards. When the locking component 40 is in the locking state, the bottom of the sliding component 30 abuts against the upper end surface of the releasing plate 20, the first limiting portion 412 and the second limiting portion 413 play a role in limiting, that is, the first limiting portion 412 and the second limiting portion 413 correspond to the two abutting portions 322 in position respectively and limit the sliding component 30 to slide upwards, the bottoms of the two limiting portions are located on the same plane, the first plane is the first plane, the tops of the two abutting portions 322 are located on the same plane, the second plane is the second plane, the first plane is located above the second plane, a gap between the first plane and the second plane is 0.5mm, the gap is insufficient for releasing the suction head, and meanwhile, the locking component 40 can be prevented from colliding with the sliding component 30 during horizontal sliding. When the locking component 40 is in the open state, the guiding component moves to the position of the guiding groove 321, the first limiting part 412 moves to the position of the abdicating groove 3221, the guiding component is in up-and-down sliding fit with the guiding groove 321 in the up-and-down sliding process of the sliding component 30, the first limiting part 412 is in up-and-down sliding fit with the abdicating groove 3221, the plug 31 is in up-and-down sliding fit with the matching hole, and the sliding of the guiding component and the first limiting part 412 can play a guiding role.

In the embodiment of the present utility model, as shown in fig. 1 and 4, the locking part 40 includes a locking block 41 and a locking switch 42, wherein the locking block 41 is positioned below the fixed handle 10, and the guide part 411 and the limit part are provided to the locking block 41; the locking switch 42 is connected with the locking block 41, and the locking switch 42 is horizontally slidably arranged at the top of the fixed handle 10 to drive the locking block 41 to synchronously horizontally slide. By pushing the locking switch 42 to change the position of the locking block 41, the state of the locking component 40 is switched, the locking block 41 and the locking switch 42 are connected through a threaded fastener, and the top of the locking block 41 is abutted with the bottom of the fixed handle 10.

In the embodiment of the present utility model, as shown in fig. 1, 2, 4 and 5, the sliding assembly 30 includes a sliding handle 32 and a mount assembly 33, wherein a guide groove 321 and an abutment 322 are provided to the sliding handle 32; the mounting base assembly 33 is provided on a side of the sliding handle 32 remote from the locking member 40, and the plurality of plugs 31 are provided on the mounting base assembly 33. When the suction heads are required to be separated from the plug nozzle 31, the sliding handle 32 is pressed upwards, the mounting seat assembly 33 drives the plug nozzle 31 to synchronously slide upwards, and the top end surfaces of the suction heads are abutted with the clamping and separating plates 20 so as to separate from the plug nozzle 31.

In the embodiment of the present utility model, as shown in fig. 1, 2, 4 and 5, the mount assembly 33 includes a fixing plate 331 and a pressing plate 332, wherein the fixing plate 331 is provided at the bottom of the sliding handle 32, the fixing plate 331 is provided with a plurality of mounting grooves in an array, and one end of the insertion nozzle 31 is placed in the mounting groove; the pressing plate 332 is used for pressing the plug 31, the pressing plate 332 is arranged at the bottom of the fixing plate 331, the pressing plate 332 is provided with a plurality of through holes in array, and the plug 31 passes through the through holes and is matched with the matching holes in an up-down sliding mode. The fixing plate 331 and the pressing plate 332 are used for pressing and fixing the plug 31, so that the connection reliability can be improved, and the plug 31 is prevented from tilting or loosening.

In an embodiment of the present utility model, the releasable connection between the fixed plate 331 and the press plate 332 is achieved by threaded fasteners. The threaded fastener is connected to facilitate disassembly, assembly and maintenance.

In the embodiment of the present utility model, as shown in fig. 4 and 5, a return spring 50 is further provided between the sliding handle 32 and the fixed handle 10. When the sliding handle 32 is pressed upwards, the reset spring 50 is compressed, and when the sliding handle 32 is loosened, the reset spring 50 pushes the sliding handle 32 to slide downwards to be abutted with the clamping and releasing plate 20, so that automatic reset is realized, and operation is more convenient.

In the embodiment of the present utility model, the return springs 50 are provided at the top of the abutting portion 322 in four and one-sided two manner. The effect of automatic return is enhanced by four return springs 50 to balance and increase the spring force.

In the embodiment of the present utility model, as shown in fig. 3, the bottom of the releasing plate 20 forms a plurality of areas with steps distributed from the middle to the periphery. Because the separation of the suction heads is realized by abutting the clamping and separating plate 20, when the plug-in nozzle 31 slides upwards, the clamping and separating plate 20 plays a role in pushing, and if a plurality of suction heads are simultaneously abutted with the clamping and separating plate 20, a large force is required for separating the suction heads simultaneously.

The foregoing description of the embodiments of the present utility model is merely an optional embodiment of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structural modifications made by the present utility model in the light of the present utility model, the description of which and the accompanying drawings, or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A manual plate rotator for a pipette tip, the manual plate rotator comprising:

a fixed handle;

2. The manual pipette tip plate rotator of claim 1 wherein said locking member has a guide section and a limit section, wherein a guide slot and an abutment section are provided at the top of said slide assembly, and wherein said locking member slides horizontally such that said limit section abuts the top of said abutment section to limit upward sliding of said slide assembly.

3. The manual plate rotator of claim 2, wherein two abutting portions are disposed on two sides of the guide groove, a yielding groove is further disposed on one side of the abutting portion, facing the locking member, of the abutting portions, the limiting portions are a first limiting portion and a second limiting portion, the first limiting portion and the guide portion are disposed at intervals, the second limiting portion is tightly attached to the guide portion and forms a guide assembly, when the guide assembly is aligned with the guide groove, the first limiting portion is aligned with the yielding groove, the sliding assembly can slide upwards, and when the first limiting portion and the second limiting portion are respectively abutted to tops of the two abutting portions, upward sliding of the sliding assembly is limited.

4. A pipette tip manual plate rotator as defined in claim 3 wherein said locking means comprises:

5. The pipette tip manual plate rotator of claim 2 wherein said slide assembly comprises:

the guide groove and the abutting part are arranged on the sliding handle;

6. The pipette tip manual plate rotator of claim 5 wherein said mount assembly comprises:

7. The manual pipette tip plate rotator of claim 6 wherein said fixed plate is removably connected to said pressure plate by threaded fasteners.

8. The manual plate rotator of a pipette tip as recited in claim 5 wherein a return spring is further disposed between said sliding handle and said fixed handle.

9. The manual plate rotator of claim 8, wherein four return springs are provided on top of the abutment in a single sided two manner.

10. A pipette tip manual plate rotator as claimed in any one of claims 1 to 9 wherein said bottom of said snap-off plate defines a plurality of areas stepped from the middle to the periphery.