CN216971954U

CN216971954U - Anti-pollution cover opener

Info

Publication number: CN216971954U
Application number: CN202220450853.5U
Authority: CN
Inventors: 刘邦正; 华和平
Original assignee: Shanghai Yiying Biotechnology Co ltd
Current assignee: Shanghai Yiying Biotechnology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-15
Anticipated expiration: 2032-03-03

Abstract

The utility model provides an anti-pollution cap opener for opening an end cover of a centrifugal tube, which comprises: the centrifugal tube end cover comprises a cover opening part, a centrifugal tube end cover and a baffle plate, wherein the cover opening part is provided with an accommodating cavity for accommodating the centrifugal tube end cover, the accommodating cavity is provided with an opening, and the bottom of the accommodating cavity is provided with the baffle plate in the horizontal direction; and the cover opening force arm is connected with the cover opening part. According to the centrifugal tube end cover opening device, the cover opening part is arranged, the containing cavity is formed in the cover opening part and used for containing the centrifugal tube end cover, the centrifugal tube end cover enters the containing cavity along the opening of the containing cavity and is clamped to the side part of the centrifugal tube end cover in the horizontal direction through the baffle plate at the bottom of the containing cavity, the cover opening force arm is pulled, the centrifugal tube end cover is smoothly opened under the matching of the cover opening force arm and the cover opening part, the hands of a user are prevented from contacting the centrifugal tube, meanwhile, the centrifugal tube end cover is opened by utilizing the lever principle, the opening process is quicker and more labor-saving, and the cover opening efficiency is improved.

Description

Anti-pollution cover opener

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an anti-pollution cap opener.

Background

The use of centrifuge tubes for the processing of various samples in biological and chemical laboratories has been used very widely. The opening of centrifugal tube lid is a frequent and laborious operation that the experimenter must face, to the use of centrifuging tube in traditional experiment, mainly use one-hand uncapping method to hold the centrifuging tube in one hand, open with forefinger and thumb, the top is easily contaminated by gloves when uncapping, in addition, because can only open a centrifuging tube once, being going on such as plasmid extraction, and RNA, and when DNA draws, frequent uncapping and closing the lid is very loaded down with trivial details and pollute the sample easily, a large amount of, high-strength uncapping work can make the experimenter's finger painful very much, can be injured even, and the single uncapping of every centrifuging tube is also very costly time with closing the lid.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that the centrifugal tube is opened manually in the prior art, the efficiency is low, and a sample is polluted, and provides an anti-pollution cover opener.

The utility model solves the technical problems through the following technical scheme:

the utility model provides an anti-pollution cap opener for open centrifuging tube end cover, it includes:

the centrifugal tube end cover comprises a cover opening part, wherein an accommodating cavity for accommodating the centrifugal tube end cover is formed in the cover opening part, an opening is formed in the accommodating cavity, and a baffle in the horizontal direction is arranged at the bottom of the accommodating cavity;

and the cover opening force arm is connected with the cover opening part.

In this scheme, the drive cap portion and the arm of force fixed connection of uncapping and through the chamber joint centrifuging tube end cover that holds of drive cap portion, the centrifuging tube end cover is along holding the entering of chamber opening and holding the intracavity, and support and lean on the lateral part in the centrifuging tube end cover through the baffle that holds the chamber bottom, utilize lever principle to pull the arm of force of uncapping so that the portion of uncapping opens the centrifuging tube end cover, the arm of force extension centrifuging tube end cover of uncapping and user's hand, in order to prevent that user's hand from polluting the medicament in the centrifuging tube, the efficiency of opening of centrifuging tube end cover has been improved.

Preferably, the cover opening part further comprises a cover opening fulcrum, and the cover opening fulcrum is located on the cover opening part and is far away from the cover opening force arm.

In this scheme, the portion of uncapping still includes the fulcrum of uncapping, and the fulcrum of uncapping is used for the butt to cover in centrifugal tube end and the fulcrum of uncapping matches with the arm of force of uncapping, and the power that user's hand was exerted opens the centrifuging tube end cover around the fulcrum of uncapping.

Preferably, it is equipped with the lateral wall to hold the intracavity, the lateral wall sets up just along vertical direction the one end of lateral wall is connected the baffle, the other end of lateral wall connect in on the arm of force of uncapping, the lateral wall can laminate in the lateral part of centrifuging tube end cover.

In this scheme, hold the chamber and locate the one side that the fulcrum of uncapping was kept away from to the uncapping portion of uncapping, the vertical direction setting of lateral wall that holds the chamber and laminating in the lateral part of centrifuging tube end cover, the opening that holds the chamber is convenient for the centrifuging tube end cover get into and holds the chamber and paste and lean on the lateral wall that holds the chamber, the lateral wall that holds the chamber supplies the centrifuging tube end cover to fix, further drives the centrifuging tube end cover through the arm of force of uncapping and removes and open the centrifuging tube.

Preferably, the holding cavity is in a shape of a straight line and can hold a plurality of centrifuge tube end caps simultaneously.

In this scheme, the both ends that hold the chamber link up and hold the groove that the intracavity is "one" style of calligraphy, the centrifuging tube end cover slides in the groove of "one" style of calligraphy along the one end horizontal direction that holds the chamber, a plurality of centrifuging tube end covers are holding intracavity and are arranging along "one" style of calligraphy direction, change through the shape that will hold the intracavity so that hold the chamber can hold a plurality of centrifuging tube end covers simultaneously and cooperate through the arm of force with uncapping, realize once only opening a plurality of centrifuging tube end covers, the efficiency of uncapping has been promoted, and can adapt to the demand of uncapping of opening different quantity centrifuging tube end covers.

Preferably, the anti-pollution cover opener further comprises a discharge opening, and the discharge opening is communicated with the containing cavity.

In this scheme, hold the chamber and be "one" style of calligraphy and hold the both ends in chamber and link up, the discharge opening is located the tip that holds the chamber, and the centrifuging tube end cover slides in along the horizontal direction from the one end that holds the chamber to release through the discharge opening along the horizontal direction after uncapping and carry out unloading of centrifuging tube end cover, its simple and convenient shape that just does not influence and hold the chamber of unloading, be a preferred structure setting of this application.

Preferably, the accommodating cavity extends along the length direction of the uncovering force arm.

In this scheme, the portion of uncapping locates one side of the arm of force of uncapping and the portion of uncapping is unanimous with the arm of force length of uncapping, and then makes the tip that holds the chamber and hold the chamber along the length direction setting of the arm of force of uncapping and the tip parallel and level of the arm of force of uncapping, not only makes the width that holds the chamber more urine hold the handheld arm of force of uncapping of user of the operator and carry out the operation of uncapping, simultaneously, hold the chamber and can also keep holding a plurality of centrifuging tube end covers simultaneously, guarantee once uncap and can open a plurality of centrifuging tube end covers.

Preferably, the accommodating cavities are one or more;

it is a plurality of hold the chamber and set up side by side along the horizontal direction, and be a plurality of the one end parallel and level that holds the chamber.

In the scheme, the containing cavities are in a shape of a straight line, and when the number of the containing cavities is one, the centrifuge tube end covers are arranged in the containing cavities into one row, namely a single row of containing cavities; and when holding chamber quantity when a plurality of, a plurality of chambers that hold set up side by side along the horizontal direction, at this moment, a plurality of width that hold the chamber are for the width of the arm of force of uncapping promptly, and the multirow holds the chamber promptly, and a plurality of one end parallel and level that hold the chamber mean, and a plurality of chambers that hold lie in the tip parallel and level with one side, and like this, when opening a plurality of centrifuging tube end covers, a plurality of positions parallel and level that hold the chamber and correspond the centrifuging tube end cover on the reagent dish, and guarantee that a plurality of chambers that hold once only open and correspond a plurality of centrifuging tube end covers. In addition, a plurality of chamber one end parallel and level that hold both are used for holding chamber one end parallel and level department and will correspond multirow centrifuging tube end cover and slide in simultaneously and hold the chamber along a plurality of when uncapping and hold chamber one end parallel and level department and discharge the centrifuging tube end cover that will open along a plurality of, again be used for behind the uncapping and hold the chamber to improve the reuse rate of this application.

Preferably, a plurality of the accommodating cavities are provided with a limiting part relative to the other end of the flush.

In this scheme, a plurality of chamber one end parallel and level that hold and the other end is equipped with spacing portion, and spacing portion is used for blockking that centrifuging tube end cover roll-off holds the chamber, and spacing portion holds the equal fixed connection in chamber with each.

Preferably, a handle is arranged on one side of the limiting part, which is far away from the accommodating cavity.

In this scheme, the handle is used for the user of service to operate a plurality of anti-pollution cap openers that hold the chamber and set up side by side, and the handle is connected with spacing portion and sets up and keeps away from the one side that holds the chamber in spacing portion, can prevent user of service's hand contact centrifuging tube or centrifuging tube end cover, guarantees the anti-pollution requirement when uncapping.

Preferably, the cover opening part of the anti-pollution cover opener is provided with two cover opening parts which are respectively positioned at two ends of the cover opening force arm, and the accommodating cavities of the two cover opening parts are different in size.

In this scheme, the portion of uncapping is equipped with two and is located the both ends of the arm of force of uncapping respectively, and two are uncapping the portion and hold the chamber size difference, and two hold the chamber and correspond not unidimensional centrifuging tube end cover respectively, and one side holds the chamber and is used for opening the less centrifuging tube end cover of size when using, and the opposite side holds the chamber and then is used for opening the great centrifuging tube end cover of size to this application's application scope that improves makes this application can be suitable for not unidimensional centrifuging tube operation of uncapping.

The positive progress effects of the utility model are as follows: according to the centrifugal tube end cover opening device, the cover opening part is arranged, the containing cavity is formed in the cover opening part and used for containing the centrifugal tube end cover, the centrifugal tube end cover enters the containing cavity along the opening of the containing cavity and is clamped to the side part of the centrifugal tube end cover in the horizontal direction through the baffle plate at the bottom of the containing cavity, the cover opening force arm is pulled, the centrifugal tube end cover is smoothly opened under the matching of the cover opening force arm and the cover opening part, the hands of a user are prevented from contacting the centrifugal tube, meanwhile, the centrifugal tube end cover is opened by utilizing the lever principle, the opening process is quicker and more labor-saving, and the cover opening efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of an anti-contamination opener according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of the contamination-preventive cap opener according to embodiment 2 of the present invention.

Fig. 3 is a schematic structural view of the contamination-proof lid opener according to embodiment 3 of the present invention.

Fig. 4 is a schematic structural view of the contamination-proof lid opener according to embodiment 4 of the present invention.

Fig. 5 is a schematic structural view of the contamination-preventive cap opener according to embodiment 5 of the present invention.

Description of reference numerals:

opening cover part 1

Accommodating chamber 11

Opening 111

Baffle 112

Side wall 113

Discharge opening 114

Uncovering force arm 2

Cover opening fulcrum 12

Limiting part 3

Handle 4

Detailed Description

The present invention will be more clearly and completely described below with reference to the accompanying drawings, which are given by way of illustration of preferred embodiments, but are not intended to limit the scope of the utility model.

Example 1

The centrifugal tube is a tubular sample container, is commonly used as a medicament container in medicament transportation, and can be provided with a sealing cover or a pressing cover. Can be divided into a large number of centrifuge tubes, common centrifuge tubes and micro centrifuge tubes according to the size; can divide into toper centrifuging tube (the bottom is the toper, is the centrifuging tube type that uses the most), flat centrifuge tube and round bottom centrifuging tube according to the bottom shape, and the end cover top of various centrifuging tubes is equipped with the edge along the horizontal direction, and this edge is used for opening the end cover of centrifuging tube.

As shown in fig. 1, the present embodiment provides an anti-contamination cap opener for opening an end cap of a centrifuge tube, which includes:

the centrifugal tube end cover opening device comprises an opening cover part 1, wherein an accommodating cavity 11 for accommodating a centrifugal tube end cover is arranged on the opening cover part 1, an opening 111 is formed in the accommodating cavity 11, and a baffle 112 in the horizontal direction is arranged at the bottom of the accommodating cavity 11;

the cover opening force arm 2 is fixedly connected with the cover opening part 1.

Wherein, the opening 111 is arranged along the horizontal direction and is used for the centrifuge tube end cover to slide into the containing cavity 11 along the horizontal direction, the containing cavity 11 is adapted to the top cover and the side wall of the centrifuge tube, the baffle 112 at the bottom of the containing cavity 11 is correspondingly propped against the bottom edge of the top edge of the centrifuge tube end cover, the opening cover part 1 is fixedly connected with the opening cover arm 2 and is used for fixing the centrifuge tube end cover through the clamping connection of the containing cavity 11 of the opening cover part 1, when in use, a user holds the opening cover arm 2 by hand and clamps the opening cover part 1 on the centrifuge tube end cover, the opening cover arm 2 prolongs the distance between the centrifuge tube end cover and the hand of the user, so as to prevent the hand of the user from polluting the medicament in the centrifuge tube, the opening cover arm 2 is upwards pulled by utilizing the lever principle so that the opening cover arm 2 drives the opening cover part 1 and then opens the centrifuge tube end cover, thereby not only the problem caused by directly pulling the end cover by the hand of the user is avoided, and change the handheld operation of uncapping that can save more laborsavingly of position of uncapping arm of force 2 of user according to lever principle, improved the efficiency of opening of centrifuging tube end cover.

In this embodiment, the lid opening portion 1 further includes a lid opening fulcrum 12, and the lid opening fulcrum 12 is located on the lid opening portion 1 and is far away from the lid opening force arm 2.

The joint is on centrifugal tube end cover when uncapping the operation in uncapping portion 1, uncaps the fulcrum 12 and locates uncap portion 1 and near the setting of centrifuging tube end cover, uncaps the fulcrum 12 and is used for the butt on centrifugal tube end cover and uncap fulcrum 12 and uncap the arm of force 2 and cooperate, and the power that user's hand was exerted bypasses uncap fulcrum 12 and opens the centrifuging tube end cover.

In addition, be equipped with lateral wall 113 in holding chamber 11, lateral wall 113 sets up and lateral wall 113's one end connection baffle 112 along vertical direction, and the other end of lateral wall 113 is connected on uncapping arm of force 2, and lateral wall 113 can laminate in the lateral part of centrifuging tube end cover.

Please refer back to fig. 1, the arm of force 2 one side of uncapping is located to uncapping lid 1, uncapping the arm of force 2 as the bottom that holds the chamber 11, the lateral wall 113 that holds the chamber 11 is equipped with two and the vertical setting in the arm of force 2 of uncapping of both sides wall 113 one end, the other end linking bridge 112 of lateral wall 113, clearance between the both sides wall 113 is the size of centrifuging tube end cover promptly, when using, slide the centrifuging tube end cover along opening 111 between the both sides wall 113, centrifuging tube end cover top edge corresponds slides to baffle 112 top and baffle 112 along vertical upwards direction with the centrifuging tube end cover joint in holding chamber 11, pull the arm of force 2 that uncaps this moment and drive the centrifuging tube end cover and remove and open the centrifuging tube.

Simultaneously, hold chamber 11 and be "one" style of calligraphy and can hold a plurality of centrifuging tube end covers simultaneously.

The eight centrifugal tubes are arranged side by side, namely eight products formed by combining the single centrifugal tubes together, and can be used for conveniently adding samples by using a discharging gun, namely eight centrifugal tubes which are upgraded to meet the requirement of high-flux operation after the centrifugal tube technology is developed to a certain degree; please refer back to fig. 1, the both ends that hold the chamber 11 link up and hold the groove that is "one" style of calligraphy in the chamber 11, the length in the groove of "one" style of calligraphy is unanimous with the length of the arm of force 2 that uncaps, the clearance between both sides wall 113 can hold eight same size's centrifuging tube end cover, when using, the centrifuging tube end cover slides in the one end that holds the chamber 11 and arranges in holding the chamber 11 along "one" style of calligraphy direction, so that hold chamber 11 and can hold a plurality of centrifuging tube end covers simultaneously, further through cooperating with the arm of force 2 that uncaps, realize once only opening a plurality of or eight centrifuging tube end covers, the efficiency of uncapping has been promoted, it also can open an individual centrifuging tube certainly to hold chamber 11, and can be applicable to the demand of uncapping of different quantity end covers.

In the present embodiment, the contamination-resistant cover opener further includes a discharge port 114, and the discharge port 114 communicates with the housing chamber 11.

Referring back to fig. 1, the containing cavity 11 is in a shape like a straight line, two ends of the containing cavity 11 are through, the discharge opening 114 is arranged along the horizontal direction and located at one end of the containing cavity 11, the opening 111 is arranged along the horizontal direction and located at the other end of the containing cavity 11, the centrifuge tube end cap slides in along the horizontal direction from the opening 111 of the containing cavity 11, and the containing cavity 11 is pushed out along the horizontal direction through the discharge opening 114 after the centrifuge tube end cap is opened, so that the discharge of the centrifuge tube end cap is completed, the discharging operation is simple and convenient, and the discharging operation is not affected by the possibility that a user holds the opening 111 by his hand.

Referring to fig. 1 again, the accommodating cavity 11 extends along the length direction L of the door opening force arm 2.

The one side of the arm of force 2 of uncapping and the portion of uncapping 1 and the arm of force 2 length unanimous that uncaps are located to uncap 1 portion of the arm of force of uncapping 1, and then make and hold chamber 11 and set up along the length direction L of the arm of force 2 of uncapping and hold the tip of chamber 11 and the tip parallel and level of the arm of force 2 of uncapping, the width of the portion of uncapping 1 keeps unanimous with the width of the arm of force 2 of uncapping, not only make the width that holds chamber 11 more convenient for the user to hand the arm of force 2 of uncapping and operate of uncapping, and simultaneously, hold chamber 11 and can keep holding a plurality of centrifuging tube end covers simultaneously, guarantee once uncap and can open a plurality of centrifuging tube end covers.

In this embodiment, hold the chamber 11 and be one, the lateral wall 113 is two and the distance between the lateral wall 113 keeps unanimous with the width of the arm of force 2 of uncapping, and the centrifuging tube end cover is "a" style of calligraphy orientation arrangement in holding chamber 11 for a plurality of centrifuging tubes of single row are uncapped the operation simultaneously, and of course also can be used to the opening of single centrifuging tube end cover.

Example 2

As shown in fig. 2, the whole structure of the contamination-resistant cover opener of the present embodiment is basically the same as that of embodiment 1, except that the housing chamber 11 of the contamination-resistant cover opener is plural, the plural housing chambers 11 are arranged side by side in the horizontal direction, and one ends of the plural housing chambers 11 are flush. At this moment, a plurality of width that hold chamber 11 and set up side by side are the width of the arm of force 2 that uncaps for a plurality of one end parallel and level that hold chamber 11 make when opening a plurality of centrifuging tube end covers, a plurality of positions that hold chamber 11 and correspond multirow centrifuging tube end cover on the reagent dish, that is to say, a plurality of 11 one end parallel and level that hold chamber both are used for following a plurality of 11 one end parallel and level departments that hold chamber and will correspond multirow centrifuging tube end cover and slide in simultaneously and hold chamber 11 when uncapping, be used for again and along a plurality of 11 one end parallel and level departments that hold chamber and discharge and hold chamber 11, and guarantee a plurality of 11 disposable multirow centrifuging tubes that open in chamber that hold, so that the reuse rate of this application is improved. Preferably, the number of the accommodating chambers 11 is at most 12.

In addition, a plurality of sizes that hold between the lateral wall 113 of chamber 11 can be the same also can be different, a plurality of chamber 11 that hold under the same circumstances are used for opening the centrifuging tube end cover of same size, and size when being different between the lateral wall 113, every centrifugal tube size that holds that chamber 11 can open is different to can open the not unidimensional centrifuging tube when making once only opening the centrifuging tube end cover, further improve the application scope who opens the centrifuging tube.

Referring to fig. 2 again, the other end of the accommodating cavities 11 opposite to the flat end is provided with a limiting portion 3.

Specifically, a plurality of 11 one ends parallel and level and the other end that hold in chamber and be equipped with spacing portion 3, spacing portion 3 be with a plurality of flange that hold 11 tip fixed connection in chamber, spacing portion 3 is used for blockking that centrifuging tube end cover roll-off holds chamber 11, spacing portion 3 holds 11 equal fixed connection in chamber with each, in addition, in this embodiment, the opening 111 that holds chamber 11 not only is used for the entering of centrifuging tube end cover, open the back at the centrifuging tube end cover simultaneously, stir the centrifuging tube end cover through user's hand and slide and unload through opening 111 once more in holding chamber 11, so that improve the reuse rate of this application.

Referring to fig. 2 again, a handle 4 is disposed on a side of the limiting portion 3 away from the accommodating cavity 11.

Specifically, handle 4 is used for the anti-pollution uncapping ware that a plurality of chambeies 11 that hold set up side by side of user's operation, and handle 4 is connected and sets up in spacing portion 3 and keeps away from the one side that holds chamber 11, can prevent user's hand contact centrifuging tube or centrifuging tube end cover, guarantees the anti-pollution requirement when uncapping to handle 4 can be along the direction increase distance of the arm of force 2 of uncapping, makes when uncapping comparatively laborsaving.

Example 3

The whole structure of the anti-pollution cap opener of the embodiment is basically the same as that of the embodiment 1, and the difference is that the two cap opening parts 1 of the anti-pollution cap opener are provided with two ends which are respectively positioned at the cap opening force arm 2, and the sizes of the accommodating cavities 11 of the two cap opening parts 1 are different.

As shown in fig. 3, the two cover opening parts 1 are provided with two cavities which are respectively located at two ends of the cover opening force arm 2, the sizes of the containing cavities 11 of the two cover opening parts 1 are different, that is, the sizes of the side walls 113 of the two containing cavities 11 are different, the two containing cavities 11 respectively correspond to centrifuge tube end caps with different sizes, when in use, the containing cavity 11 at one side is used for opening a centrifuge tube end cap with a smaller size, the containing cavity 11 at the other side is used for opening a centrifuge tube end cap with a larger size, the corresponding sizes of the containing cavity 11 for opening a centrifuge tube end cap with a smaller size are two, the first type is a centrifuge tube with a capacity of 0.5ml and an outer diameter of 10mm, the second type is a centrifuge tube with a capacity of 0.2ml and an outer diameter of 7mm, of course, the containing cavity 11 with a smaller size can also open a centrifuge tube with other sizes smaller than the capacity of 0.5ml and the outer diameter of 10mm, which will not be described herein; a corresponding dimension specification that is used for opening the chamber 11 that holds of the great centrifuging tube end cover of size has four, the first centrifuging tube that is capacity 1.5ml and external diameter 13.19mm specification, the second is the centrifuging tube of capacity 2ml and external diameter 13.23mm specification, the third kind is the centrifuging tube of capacity 5ml and external diameter 14.81mm specification, the fourth type is the centrifuging tube of capacity 10ml specification, the great chamber 11 that holds of size of course can also open and compare in the centrifuging tube of other dimensions specifications that capacity 10mm is little, do not do too much to describe here. Two 1 holding chambers of uncapping portion 11 sizes are different, can improve the application scope of this application for this application can be suitable for not unidimensional centrifuging tube operation of uncapping.

In addition, please refer back to fig. 3, the openings 111 of the accommodating cavities 11 of the two cover opening parts 1 are arranged at two ends of the cover opening force arm 2 along the horizontal direction in a back-to-back manner, the baffles 112 of the two accommodating cavities 11 are arranged along the horizontal direction, the cover opening force arm 2 is arranged along the horizontal direction, the side walls 113 of the two accommodating cavities 11 are arranged along the vertical direction and fixedly connect the baffles 112 and the cover opening force arm 2 through the side walls 113, when opening the centrifuge tube end covers with different sizes, a user turns the cover opening force arm 2 to replace the cover opening part 1, so as to adapt to centrifuge tubes with different sizes.

Example 4

As shown in fig. 4, the overall structure of the anti-contamination cap opener of the present embodiment is basically the same as that of embodiment 1, and the difference is that the present embodiment provides an anti-contamination cap opener, in which the cap opening portion 1 and the cap opening force arm 2 are both arranged along the vertical direction H, the cap opening portion 1 is located at both ends of the cap opening force arm 2, the opening 111 of the accommodating cavity 11 of the cap opening portion 1 is perpendicular to the cap opening force arm 2, the baffle 112 of the accommodating cavity 11 is further arranged along the horizontal direction P, the baffle 112 is perpendicular to the cap opening force arm 2, the sidewall 113 of the accommodating cavity 11 is arranged along the same direction as the cap opening force arm 2, the sidewall 113 of the accommodating cavity 11 is attached to the peripheral side of the centrifuge tube end cap along the horizontal direction P, when in use, the user holds the cap opening force arm 2 along the horizontal direction P by hand, and brings the opening 111 of the cap opening portion 1 close to the centrifuge tube end cap along the horizontal direction P, the cap opening fulcrum 12 of the cap opening portion 1 is attached to the top of the centrifuge tube end cap, simultaneously, the baffle 112 of uncapping portion 1 supports and leans on in centrifuging tube end cover top edge below, at this moment, the arm of force 2 of uncapping is pulled upwards around uncapping fulcrum 12 and opens the centrifuging tube end cover, because uncapping portion 1 sets up with the same direction of the arm of force 2 of uncapping, then baffle 112 is the vertical direction setting with the arm of force 2 of uncapping, when baffle 112 is the vertical direction setting with the arm of force 2 of uncapping, the action is pulled to user's hand is compared in baffle 112 and uncapping the arm of force 2 and all follow the horizontal direction when setting up the stroke shorter, that is to say when baffle 112 is the vertical direction setting with the arm of force 2 of uncapping, it is more laborsaving to uncap.

Example 5

As shown in fig. 5, the overall structure of the anti-pollution cap opener of this embodiment is basically the same as that in embodiment 4, and its difference lies in that this embodiment provides an anti-pollution cap opener, the lateral wall that its 2 parcel of the arm of force of uncapping of 2 holds the chamber 11 is circular arc, the surface that is used for the handheld part of user on the arm of force of uncapping 2 is circular arc, the handheld part that corresponds user of the arm of force 2 of uncapping sets up to circular arc and can improve user of service when holding the arm of force of uncapping 2, reduce the discomfort that the arm of force 2 of uncapping caused to user when using, on the more laborsaving basis of uncapping, improve the travelling comfort of uncapping.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.

Claims

1. The utility model provides an anti-pollution cap opener for open centrifuging tube end cover, its characterized in that, it is including:

the centrifugal tube end cover comprises a cover opening part, a centrifugal tube end cover and a baffle plate, wherein the cover opening part is provided with an accommodating cavity for accommodating the centrifugal tube end cover, the accommodating cavity is provided with an opening, and the bottom of the accommodating cavity is provided with the baffle plate in the horizontal direction;

and the cover opening force arm is connected with the cover opening part.

2. The anti-contamination cap opener of claim 1, wherein the cap opener further comprises a cap opener fulcrum located on the cap opener and disposed away from the cap opener moment arm.

3. The anti-pollution cap opener according to claim 1, wherein a side wall is provided in the containing cavity, the side wall is arranged in a vertical direction, one end of the side wall is connected with the baffle, the other end of the side wall is connected to the cap opening force arm, and the side wall can be attached to the side part of the centrifuge tube end cover.

4. The anti-contamination cap opener according to claim 1, wherein the receiving cavity is in the shape of a straight line and can simultaneously receive a plurality of the centrifuge tube end caps.

5. The contamination-resistant cap opener of claim 4, further comprising a discharge opening communicating with the receiving chamber.

6. The anti-contamination cap opener of claim 4, wherein the receiving cavity extends along a length of the cap opening moment arm.

7. The anti-contamination cap opener according to claim 4, wherein the housing chamber is one or more;

8. The anti-contamination cap opener according to claim 7, wherein a plurality of the receiving cavities are provided with a stopper portion with respect to the other end that is flush.

9. The anti-contamination cap opener according to claim 8, wherein a handle is provided on a side of the stopper portion away from the receiving cavity.

10. The anti-contamination cap opener according to claim 1, wherein two cap-opening portions of the anti-contamination cap opener are provided and located at both ends of the cap-opening force arm, respectively, and the receiving cavities of the two cap-opening portions are different in size.