CN218620284U

CN218620284U - Wedge-opening type cover opening pull strip and EP pipe multi-row quantity-selectable quick cover opening device

Info

Publication number: CN218620284U
Application number: CN202222986376.7U
Authority: CN
Inventors: 楚琰; 孙健勇
Original assignee: Xian Siyuan University
Current assignee: Xian Siyuan University
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-14
Anticipated expiration: 2032-11-10

Abstract

The utility model provides a wedge-opening type uncovering brace and an EP pipe multi-row quantity-selectable quick uncovering device, wherein the wedge-opening type uncovering brace comprises a wedge block, a pull rod and a wheel type pull head, the wheel type pull head is formed by connecting at least one roller to the lower part of a handle frame through a rotating shaft, the wedge block is fixedly connected to one end of the pull rod, and the surface of the handle frame, which is not connected with the rotating shaft, is fixedly connected to the other end of the pull rod; the EP pipe multi-row quantity-selectable quick-opening cover device at least comprises two pressing plates, a base and one or two wedge-opening cover-opening pull bars, wherein the pressing plates are hinged to two end faces of the base, and the wedge-opening cover-opening pull bars can be connected to the base in a left-right sliding mode through the lower portions of wedge blocks and/or pull rods on the wedge-opening cover-opening pull bars. The utility model discloses both possessed and uncapped, possessed the buckle closure function again, uncapped efficiency prior art relatively has realized doubling to easily carry out the operation of progressively uncapping.

Description

Wedge-opening type cover opening pull strip and EP pipe multi-row quantity-selectable quick cover opening device

Technical Field

The utility model relates to an experimental sample processing apparatus technical field, concretely relates to wedge open type brace of uncapping and have EP pipe multirow optional volume device of uncapping fast of this brace.

Background

The EP tube is a small centrifuge tube that can be used with a microcentrifuge to separate, lyophilize, or store samples of small amounts of reagents. The device is commonly used in experiments of biochemistry, medicine detection and the like, a large number of EP tubes are required to be used in many experiments in a laboratory at present, and the EP tubes involve heavy cover opening and cover buckling work in the large number of using processes. When fingers are frequently uncovered, hands are easy to get painful and even injured, and the EP tube cover can be scattered out in the opening process due to over-exertion; in addition, it is inefficient to use a finger to open the lid of the EP tube only one at a time.

To above-mentioned problem, the patent application that application number is CN201921427629.9 provides a buckle closure device is opened fast to centrifuging tube, and the device operation just can accomplish the work of opening to a row of centrifuging tube lid once to also possess the buckle closure function, improved the efficiency of extracting the work in earlier stage.

However, the above-mentioned disclosed technology cannot select the gradual uncapping operation according to the experimental progress, and the operation can only complete the opening work of the cap of one row of centrifuge tubes at one time.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a when using with EP pipe base collocation, the operation once can accomplish opening two rows of EP pipe lids, also easily realizes progressively uncapping the wedge of operation and opens formula brace of uncapping.

The utility model aims at providing a both possessed and uncapped, possessed the buckle closure function again, the operation once can accomplish the work of opening to two rows of EP pipe lids to easily carry out the EP pipe multirow optional volume quick uncapping device of the operation of progressively uncapping.

In order to achieve the above purpose, the utility model discloses there is following technical scheme:

the utility model discloses a wedge formula of opening brace that uncaps, it includes wedge, pull rod and wheeled pull head, wheeled pull head comprises at least one gyro wheel through the pivot connection in the lower part of handle frame, wedge fixed connection is on the one end of pull rod, the one side fixed connection of handle frame not connecting the pivot is at the other end of pull rod.

Preferably, the lower edge of the inclined plane of the wedge block is perpendicular to the axial direction of the pull rod.

Preferably, the roller is made of an elastomeric material such as plastic or rubber.

The utility model also discloses a device is uncapped fast to optional volume of EP pipe multirow, including two clamp plates, a base and the aforesaid wedge formula of uncapping brace, the above-mentioned middle part of base is equipped with the spout, the both sides of spout respectively are equipped with one row of EP pipe jack that is used for holding the EP pipe, be equipped with the limit rotation locating piece corresponding with EP pipe jack quantity between the parallel both sides of spout and EP pipe jack above the base, be equipped with the spacing groove that is used for imbedding EP pipe cap connecting portion above the limit rotation locating piece, the center of spacing groove is perpendicular with the spout with the axle center line of EP pipe jack, all be equipped with the recess that runs through EP pipe jack on the base with the parallel both sides face of spout, the upper portion both sides of the both ends face of base all are equipped with the shaft hole that is used for connecting the clamp plate through the pivot, the clamp plate is the slope fixedly connected with roof constitution below the clamp plate body, the roof is the board that one end is the inclined plane, the other end fixedly connected with the elastic body piece, the antiskid wedge formula of uncapping brace passes through the lower part of the wedge block on it and/or the pull rod can be connected in the spout of base with the left and right slip; or the wedge-opening type cover opening device comprises two pressing plates, a base and two wedge-opening type cover opening pull bars, wherein the ends, provided with wedge-shaped blocks, of the two wedge-opening type cover opening pull bars are connected.

Preferably, the EP tube multi-row selectable amount quick-opening cover device further comprises a buffer stopper, the buffer stopper comprises a spring or a rubber block and other objects with elasticity and is used for reducing impact of a wedge-opening type cover-opening pulling strip on the base in the cover-opening process, and the buffer stopper is fixedly connected to the end of the base.

Preferably, the vertical surfaces of the grooves on the two sides of the base are provided with anti-skid elastomer sheets made of rubber and other materials, and the anti-skid elastomer sheets are used for increasing the rotation and movement resistance of the EP pipe in the cover opening process and enhancing the positioning of the EP pipe.

Preferably, the bottom of the base is provided with an anti-slip rubber sheet made of a sheet material such as rubber for preventing the base from sliding.

Owing to adopted above technical scheme, the utility model has the advantages of:

1. the utility model can push down the pressing plate by one hand and pull the wedge-opening type uncovering brace to one side needing to be uncovered by the other hand, so that the cover of the EP pipe through which the wedge block passes is pushed open; for the EP pipe to be buckled and covered which is placed in the EP pipe jack of the base, the EP pipe cover can be pressed and buckled into the pipe orifice of the EP pipe to realize the buckling and covering by turning up the pressing plate hinged to the side surface of the base, and the utility model has the functions of uncovering and covering;

2. after the wedge-opening type uncovering brace is pulled to one end of the base, the cover of the EP pipe through which the wedge block on the wedge-opening type uncovering brace passes is ejected, one-step quick opening of the covers of the two rows of EP pipes on the side edge of the wedge block can be completed by pulling once, and the uncovering efficiency is doubled compared with the prior art;

3. the anti-slip rubber sheet is arranged at the lower part of the base, and the cover opening process is carried out in sequence, so that the impact vibration in the cover opening process is smaller, the shaking generated in the cover opening process can be reduced, and the samples are prevented from being spilled;

4. the utility model discloses go back accessible progressively spur the wedge and open formula brace that uncaps, only make the wedge push open the lid of the EP pipe that needs uncap at present, realize conveniently progressively uncapping as required, further prevent to pollute.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic perspective view of a view angle of an example 1 of an overall structure of a lid opening device provided in an embodiment of the present invention;

fig. 2 is a schematic perspective view of a wedge-opening type lid opening brace according to an embodiment of the present invention;

FIG. 3 is a schematic view of FIG. 2 taken along line A;

FIG. 4 isbase:Sub>A schematic cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a schematic view of the wedge-open lid release pull tab of FIG. 1 not attached;

FIG. 6 is a perspective view of the base of FIG. 5;

FIG. 7 is an enlarged schematic view at A of FIG. 6;

fig. 8 is a schematic perspective view of a pressing plate according to an embodiment of the present invention;

FIG. 9 is a schematic view of FIG. 8 taken along line A;

FIG. 10 is a left side schematic view of FIG. 9;

FIG. 11 is a schematic view of FIG. 1 taken along line A;

fig. 12 is a schematic view of the EP tube cap in the open state of fig. 11 after a snap-fit operation by a pressing plate;

fig. 13 is a schematic view of a covered EP tube placed on the uncapping device of the present invention in a state of waiting for uncapping;

fig. 14 is a schematic perspective view of a view angle of an example 2 of an overall structure of a lid opening device according to an embodiment of the present invention;

fig. 15 is a schematic perspective view of a view angle of an example 3 of an overall structure of a cover opening device according to an embodiment of the present invention;

fig. 16 is a schematic view of the connection of two wedge-opening lid pull tabs of fig. 15.

In the figure: 1. a rotating shaft; 2. an EP tube; 3. a shaft hole; 4. an anti-slip elastomeric sheet; 5. a buffer stopper; 6. an anti-slip film; 10. a wedge-opening type uncovering brace; 11. a wheel type slider; 111. a handle frame; 112. a roller; 12. a pull rod; 13. a wedge block; 131. a bevel; 20. a base; 21. a base body; 22. an EP tube receptacle; 23. a rotation limiting positioning block; 231. a limiting groove; 24. a groove; 25. a chute; 30. pressing a plate; 31. a platen body; 32. a top plate; 321. and (7) a board.

Detailed Description

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", "left", "right", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Referring to fig. 1, 2, 3, 4, and 6, an embodiment of the invention provides a wedge-opening type lid opening brace 10, including a wedge 13, a pull rod 12, and a wheel type slider 11, the wheel type slider 11 is formed by connecting at least one roller 112 to the lower part of a handle frame 111 through a rotating shaft 1, the lower side of an inclined plane 131 of the wedge 13 is perpendicular to the axial direction of the pull rod 12, the wedge 13 is fixedly connected to the upper side of one end of the pull rod 12, one side of the handle frame 111 not connected to the rotating shaft 1 is fixedly connected to the other end of the pull rod 12, and the pull rod 12 is connected to the sliding chute 25 of the base 20 in a left-right sliding manner.

Referring to fig. 1, 2, 5, 6, 7, 8, 9, 10, 11, an embodiment 1 of the EP tube multi-row quick cover opening device disclosed in the present invention includes two pressing plates 30, a base 20 and the aforementioned wedge-opening cover opening brace 10, a sliding groove 25 is provided in the middle of the upper surface of the base 20, two rows of EP tube insertion holes 22 for accommodating EP tubes 2 are respectively provided on two sides of the sliding groove 25, rotation limiting positioning blocks 23 corresponding to the EP tube insertion holes 22 in number are provided between two sides of the upper surface of the base 20 parallel to the sliding groove 25 and the EP tube insertion holes 22, a limiting groove 231 for embedding an EP tube cover connecting portion is provided on the rotation limiting positioning blocks 23, the center of the limiting groove 231 is perpendicular to the sliding groove 25 along the axis connecting line of the EP tube insertion holes 22, grooves 24 penetrating through the EP tube insertion holes 22 are provided on two side surfaces of the base 20 parallel to the sliding groove 25, shaft holes 3 for connecting the pressing plates 30 through the rotating shaft 1 are provided on two sides of the upper surface of the base 20, the pressing plate 30 is fixedly connected to the lower surface of the pressing plate body 31, one end of the pressing plate 31 is connected to the top plate 32, the sliding plate is connected to the EP tube opening brace 30, and the EP tube 2 is connected to the sliding plate 12, and the sliding groove 321 is connected to the EP tube pressing plate for pressing the EP tube 2.

Referring to fig. 2, 3, 5, 6, 7, 8, 9, 10, 14, the present invention discloses an EP tube multi-row selective quick-opening lid device embodiment 2, which comprises two pressing plates 30, a base 20, a buffer stopper 5 and the aforementioned wedge-opening lid-opening pull bar 10, wherein the buffer stopper 5 is fixedly connected to the right end of the upper surface of the base 20, the two pressing plates 30 are respectively hinged to the shaft holes 3 of the base 20 through the rotating shaft 1, and the wedge-opening lid-opening pull bar 10 is connected to the sliding groove 25 of the base 20 through the pull rod 12 thereon in a left-right sliding manner.

Referring to fig. 2, 3, 5, 6, 7, 8, 9, 10, 15, and 16, the embodiment 3 of the EP tube multi-row selective quick-opening lid device of the present invention includes two pressing plates 30, a base 20, a buffer stopper 5, and two aforementioned wedge-opening lid-opening braces 10, wherein the two wedge-opening lid-opening braces 10 are connected to each other at one end provided with a wedge 13, the wedge-opening lid-opening braces 10 are connected to the chute 25 of the base 20 through a pull rod 12 thereon in a left-right sliding manner, the buffer stopper 5 is disposed at both ends of the base 20, the two pressing plates 20 are respectively hinged to the shaft holes 3 of the base 20 through a rotating shaft 1, the inclined planes 131 of the two wedge blocks 13 in the embodiment face the left side and the right side, respectively pull the handle frames 111 on the wedge-opening lids 10 at both sides of the base 20 to the left side or the right side, and the lid-opening blocks 13 can jack up the lid of the EP tube 2.

The utility model discloses before the use, place the suitable position at the operation panel down with the one side that base 20 was equipped with anti-skidding film 6 earlier.

The utility model discloses a EP pipe multirow optional volume quick uncapping device is to the pipe cap lock method of the EP pipe 2 that has uncapped:

s1, referring to fig. 1, 14 and 15, firstly pulling the wedge-opening type cover opening pull strip 10 away from the base 20, or pushing or pulling the wedge-opening type cover opening pull strip 10 to the leftmost end or the right end of the base 20 (namely, moving the wedge block 13 to a buckling position where the wedge block does not interfere with the pipe cover);

s2, inserting the opened EP tube 2 into the EP tube inserting hole 22 on the base 20, and enabling the connection convex part of the tube opening of the EP tube 2 and the upper cover of the EP tube to fall into the limiting groove 231 on the rotation limiting positioning block 23;

s3, adding a target sample into the EP tube 2 which is placed in place;

and S4, referring to fig. 12 and 13, rotating the pressure plate 30 on the side of the cover to be buckled upwards around the rotating shaft 1 by hand until the pipe cover is pressed and buckled into the pipe orifice of the EP pipe 2 by the inner edge of the pressure plate 30, and thus, the cover buckling operation can be completed.

The utility model discloses a EP pipe multirow optional volume quick uncap device is to the EP pipe 2's of lid lock closure method of uncapping of lid lock closure state:

s1, referring to the figures 1, 14 and 15, firstly, pushing a wedge-opening type uncovering pull strip 10 to the left side to the end;

s2, inserting the EP pipe 2 to be uncapped into the EP pipe inserting hole 22 on the base 20, and enabling the pipe orifice of the EP pipe 2 and the connecting convex part of the upper cover of the EP pipe to fall into the limiting groove 231 on the rotation limiting positioning block 23;

s3, one hand presses down the pressing plates 30 on the two sides of the base 20, the other hand holds the handle frame 111 to pull the wedge-opening type cover opening brace 10 to one side of the EP pipe 2 to be opened (namely the right side of the figures 1, 14 and 15), the cover of the EP pipe 2 through which the wedge block 13 passes is pushed open by the wedge block 13 (if the EP pipe 2 in all the EP pipe jacks 22 is required to be fully covered at one time, the wedge-opening type cover opening brace 10 is directly pulled rightwards until the wedge block 13 passes through all the EP pipes 2 at the moment, if the requirement on pollution prevention is high, the EP pipe 2 in the EP pipe jacks 22 can be opened in a gradual cover opening mode, and at the moment, the wedge-opening type cover opening brace 10 is pulled rightwards until the wedge block 13 passes through the EP pipe 2 to be opened).

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. It is not exhaustive here for all embodiments. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. The utility model provides a wedge opens formula and uncaps brace which characterized in that: the pull rod comprises a wedge block, a pull rod and a wheel type pull head, wherein the wheel type pull head is formed by connecting at least one roller to the lower portion of a pull rod frame through a rotating shaft, the wedge block is fixedly connected to one end of the pull rod, and one side of the pull rod frame, which is not connected with the rotating shaft, is fixedly connected to the other end of the pull rod.

2. The wedge-opening lid release pull-tab of claim 1, wherein: the lower edge of the inclined plane of the wedge-shaped block is vertical to the axial direction of the pull rod.

3. The wedge-opening lid pull for a bottle as defined in claim 1, wherein: the rollers are made of a plastic or elastomeric material.

4. The utility model provides a EP manages multi-row optional volume quick uncapping device which characterized in that: the wedge-opening type cover opening device comprises two pressing plates, a base and a wedge-opening type cover opening pull strip as claimed in any one of claims 1 to 3, wherein a sliding groove is formed in the middle of the upper surface of the base, a row of EP pipe inserting holes for containing EP pipes are formed in two sides of the sliding groove respectively, rotation limiting positioning blocks corresponding to the number of the EP pipe inserting holes are arranged between two sides of the upper surface of the base parallel to the sliding groove and the EP pipe inserting holes, a limiting groove for embedding an EP pipe cover connecting portion is formed in the upper surface of each rotation limiting positioning block, the center of each limiting groove is perpendicular to the axial center connecting line of the EP pipe inserting holes and the sliding groove, grooves penetrating through the EP pipe inserting holes are formed in two side surfaces of the base parallel to the sliding groove, shaft holes for connecting the pressing plates through rotating shafts are formed in two sides of the upper portions of two end surfaces of the base, each pressing plate is formed by fixedly connecting top plates in an inclined mode below a pressing plate body, one end of each top plate is an inclined surface, an anti-slip elastic body sheet is fixedly connected to the other end of each wedge-opening type cover, and the wedge-opening type cover opening pull strip is connected to the sliding grooves of the base in the sliding grooves of the base in a left and right sliding mode through the wedge-opening type cover opening pull rod; or comprises two pressing plates, a base and two wedge-opening type cover opening pull bars as claimed in any one of claims 1 to 3, wherein the ends provided with wedge blocks of the two wedge-opening type cover opening pull bars are connected.

5. The EP tube multi-row selectable amount quick uncovering device as claimed in claim 4, wherein: the buffer stopper is fixedly connected with the end of the base.

6. The EP tube multi-row selectable quantity quick release cap device as claimed in claim 4, wherein: anti-skidding elastomer pieces are arranged on the vertical surfaces of the grooves on the two sides of the base.

7. An EP tube multi-row selectable quantity quick release cap apparatus as claimed in any one of claims 4 to 6 wherein: the bottom of base is equipped with the anti-skidding film that is used for fixed baseplate.