CN214439194U

CN214439194U - EP pipe capable of preventing liquid splashing when cover is opened

Info

Publication number: CN214439194U
Application number: CN202120269282.0U
Authority: CN
Inventors: 罗威
Original assignee: Beijing Yuanjite Biotechnology Co ltd
Current assignee: Beijing Yuanjite Biotechnology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-10-22
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to an EP pipe that liquid was spattered in preventing uncapping of experiment consumptive material technical field, it includes the body, and body top lid is equipped with an end cover, and the end cover lateral wall is connected through the elastic plate with body top border, still be provided with one between end cover and the body and be used for carrying out the secondary to the sample and shelter from the subassembly that shelters from that causes the sample to splash in order to avoid opening the end cover. This application has the effect that reduces splashing of liquid when opening in the body, improves the protection to the experimenter.

Description

EP pipe capable of preventing liquid splashing when cover is opened

Technical Field

The utility model belongs to the technical field of experiment consumptive material technique and specifically relates to a prevent to uncap EP pipe that spatters liquid.

Background

An EP tube, also known as a microcentrifuge tube, is a consumable commonly used in biological experiments and is generally used to hold small amounts of liquid for centrifugation, lyophilization, or sample storage. The existing EP pipes are various in types, and comprise glass EP pipes, polypropylene EP pipes, polytetrafluoroethylene EP pipes and other plastic EP pipes in terms of materials; the specification includes specifications such as 0.5mL, 1mL, 1.5mL, 2mL, 10mL, 50mL and the like; types include flip-top EP tubes, single tubes, octal tubes, 96-well plates.

The current flip type EP pipe comprises a pipe body, wherein the top of the pipe body is covered with an end cover, the side wall of the end cover is connected with the top edge of the pipe body through an elastic plate, and the elastic plate is made of elastic materials in a bending mode, so that the end cover can rotate through the elastic plate.

However, when more liquid is filled in the tube body, some toxic biological reagents such as Tris, acetonitrile, phenol and the like are sometimes filled in the tube body, and when the end cover is opened, sample liquid in the tube body can splash due to excessive force, so that experimental pollution and harm to human health are easily caused.

SUMMERY OF THE UTILITY MODEL

In order to reduce splashing of liquid when opening in the body, improve the protection to the experimenter, this application provides a prevent to uncap EP pipe that splashes liquid.

The application provides a prevent to uncap EP pipe that spatters liquid adopts following technical scheme:

the utility model provides a prevent to uncap EP pipe that spatters liquid, includes the body, and body top lid is equipped with an end cover, and the end cover lateral wall passes through the elastic plate with body top border and is connected, still be provided with one between end cover and the body and be used for carrying out the secondary to the sample and shelter from in order to avoid opening the subassembly that shelters from that the end cover caused the sample to splash.

Through adopting above-mentioned technical scheme, when the body takes out the sample in it when needs are opened, the experimenter at first lifts the end cover and rotates the end cover around the elastic plate, rotates to the body port and opens completely until the end cover, later the experimenter only need remove to shelter from the subassembly to the open-ended of body and block, then can take out the sample in the body to avoided leading to body the inside sample liquid to splash because of exerting oneself too greatly when opening the end cover, improved the protection to the experimenter.

Optionally, the end cover includes the apron and fixes the ring canal at the apron lower surface, the body upper surface is close to elastic plate department and sets up a first caulking groove with the body inner wall intercommunication, the body upper surface is kept away from elastic plate department and still is seted up a second caulking groove with the body inner wall intercommunication, shelter from the subassembly including setting up the first plate body in first caulking groove and setting up the second plate body in the second caulking groove, be fixed with one between first plate body and the second plate body be used for with the body port card with the ring frame, the ring frame bottom is fixed with a top open-ended elastic sleeve, the ring canal passes ring frame card and goes into elastic sleeve and makes elastic sleeve and body inside wall hug closely.

Through adopting above-mentioned technical scheme, when rotating the apron around the elastic plate, ring canal upward movement and elastic sleeve alternate segregation can remove the ring canal to elastic sleeve's extrusion restriction, later the experimenter alright relatively light take out ring frame and elastic sleeve from the body opening part, finally realize opening of body opening and the taking out of sample in it, overall structure is simple, the simple operation has improved experimenter's operating efficiency.

Optionally, one end of the first plate body, which is far away from the ring frame, is rotatably connected with the first caulking groove, and the rotation axis of the first plate body and the first caulking groove is parallel to the axis of the cover plate rotating around the elastic plate.

Through adopting above-mentioned technical scheme, when taking out ring frame and elastic sleeve from the body opening, the experimenter can rotate second plate body, ring frame, elastic sleeve and first plate body around the axis of rotation of first plate body and first caulking groove to improve the experimenter and to elastic sleeve's operating efficiency, avoid ring frame and elastic sleeve and body complete separation, and influence next practicality.

Optionally, the body includes splendid attire portion and connects the turn-ups portion at splendid attire portion top lateral wall, the second caulking groove is including the son spacing groove that is located splendid attire portion and the female spacing groove that is located turn-ups portion, female spacing groove and turn-ups portion outside intercommunication and female spacing groove downwardly extending and with splendid attire portion lateral wall intercommunication, the second plate body is including the connecting portion of card establishing at son spacing groove, connecting portion are fixed with the ring frame lateral wall towards the one end of ring frame, the one end that connecting portion deviate from the ring frame is rotated and is connected with a rotation portion, the rotation portion is on a parallel with the rotation axis of first plate body and first caulking groove with the rotation axis of connecting portion, when rotation portion downwardly rotating, rotation portion can paste with splendid attire portion lateral wall and lean on each other.

Through adopting above-mentioned technical scheme, when upwards rotating the end cover, the experimenter can press the thumb on the rotation portion, exerts an effort to rotation portion and connecting portion to avoid when rotating the end cover, take out ring frame and elastic sleeve in the splendid attire port because of the friction between end cover and the elastic sleeve, shelter from the effect with the secondary that improves elastic sleeve to splendid attire portion.

Optionally, one side of the rotating portion, which is away from the containing portion, is fixed with a plurality of anti-slip strips, and the plurality of anti-slip strips are uniformly distributed along the height direction of the rotating portion.

Through adopting above-mentioned technical scheme, the arrangement of antislip strip has increased the frictional action between experimenter's finger and the rotation portion lateral wall, and then has improved experimenter to the pressing stability of pivoted.

Optionally, a clamping block is fixed to one side of the rotating portion, facing the containing portion, close to the bottom end of the rotating portion, and a clamping groove for the clamping block to be clamped in is formed in the side wall corresponding to the containing portion.

Through adopting above-mentioned technical scheme, the fixture block is established with the mutual card of draw-in groove, makes better and splendid attire side wall reciprocal anchorage of rotating part, further avoided rotating part and connecting portion upward movement under the drive of end cover.

Optionally, an elastic pad is attached to the outer side wall of the clamping block.

Through adopting above-mentioned technical scheme, the arrangement of cushion makes fixture block and slot card more inseparable to avoid the free separation of fixture block and draw-in groove, improved fixture block and draw-in groove interconnect's stability.

Optionally, a pushing plate is fixed on one side of the rotating part, which is away from the containing part, and is close to the top of the rotating part.

Through adopting above-mentioned technical scheme, when needs are with fixture block and draw-in groove alternate segregation, the experimenter only needs the thumb to promote the slurcam and makes rotation portion rotate around connecting portion, can follow the fixture block and roll out in the draw-in groove, and the simple structure and the convenient operation of slurcam, and then improved holistic experimental efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the protection to the experimenter is improved, the end cover is lifted and rotates around the elastic plate until the end cover rotates until the end port of the tube body is completely opened, and then the experimenter only needs to remove the blocking of the blocking component to the opening of the tube body and then can take out the sample in the tube body, so that the sample liquid in the tube body is prevented from splashing due to excessive force when the end cover is opened;

2. the operating efficiency of experimenter is improved, through separating ring pipe upward movement and elastic sleeve from each other, can remove the extrusion restriction of ring pipe to elastic sleeve, later experimenter alright relatively light take out ring frame and elastic sleeve from the body opening part, finally realize opening of body opening and taking out of sample in it, the simple operation of overall structure.

Drawings

FIG. 1 is a schematic view of the overall structure of an EP tube according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a shielding assembly;

fig. 3 is a sectional view showing the structure of the inside of the container.

Description of reference numerals: 1. a pipe body; 11. a containing section; 111. a card slot; 12. flanging part; 13. a first caulking groove; 14. a second caulking groove; 141. a sub-limiting groove; 142. a female limiting groove; 2. an end cap; 21. a cover plate; 22. a ring pipe; 3. an elastic plate; 4. a shielding component; 41. a first plate body; 42. a ring frame; 43. an elastic sleeve; 5. a second plate body; 51. a connecting portion; 52. a rotating part; 53. anti-slip strips; 54. a clamping block; 55. an elastic pad; 56. and pushing the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses prevent to uncap EP pipe that spatters liquid. Referring to fig. 1 and 2, the EP pipe includes body 1, body 1 includes splendid attire portion 11 and connects the turn-ups portion 12 at splendid attire portion 11 top lateral wall, the mutual parallel and level of upper surface of splendid attire portion 11 and turn-ups portion 12, common lid is equipped with an end cover 2 on splendid attire portion 11 and the turn-ups portion 12, end cover 2 includes circular shape apron 21 and fixes and be used for inserting the ring pipe 22 of establishing in splendid attire portion 11 port department towards splendid attire portion 11 one side at apron 21, apron 21 lateral wall passes through elastic plate 3 with the turn-ups lateral wall and is connected, elastic plate 3 is formed for elastic plastic material bends, make the experimenter can open apron 21 and ring pipe 22 and wind around elastic plate 3 and rotate, still be provided with one between ring pipe 22 and the splendid attire portion 11 in addition and be used for carrying out the secondary to shelter from in order to avoid opening end cover 2 and cause the sample to splash shelter from subassembly 4 that shelters from.

Referring to fig. 2, the upper surfaces of the containing portion 11 and the flanging portion 12 near the elastic plate 3 are commonly provided with a rectangular first caulking groove 13 communicated with the inner wall of the tube body 1, the upper surfaces of the containing portion 11 and the flanging portion 12 far away from the elastic plate 3 are further provided with a second caulking groove 14 communicated with the inner wall of the tube body 1, the second caulking groove 14 comprises a sub-limiting groove 141 positioned on the containing portion 11 and a female limiting groove 142 positioned on the flanging portion 12, the female limiting groove 142 is communicated with the outer side of the flanging portion 12 and the female limiting groove 142 extends downwards and is communicated with the outer side wall of the containing portion 11, the shielding component 4 comprises a first plate body 41 arranged in the first caulking groove 13, one end of the first plate body 41 facing the elastic plate 3 is rotatably connected with the first caulking groove 13, the rotation axis of the first plate body 41 and the first caulking groove 13 is parallel to the rotation axis of the cover plate 21 around the elastic plate 3, one end of the first plate body 41 facing the extension direction of the axis of the containing portion 11 is fixed with a ring frame 42 mutually clamped with the opening of the containing portion 11, the outer side wall of the ring frame 42 is attached to the inner wall of the containing part 11, the inner diameter of the ring frame 42 is smaller than the outer diameter of the ring pipe 22 so that the ring pipe 22 can be inserted into the ring frame 42, an elastic sleeve 43 with an opening at the top end is coaxially fixed at the bottom of the ring frame 42, the inner diameter of the elastic sleeve 43 is slightly smaller than the ring pipe 22, and the connection part of the elastic sleeve 43 and the ring frame 42 is in smooth transition so that the ring pipe 22 can be inserted into the elastic sleeve 43 more easily and is clamped with the elastic sleeve 43; the secondary limiting groove 141 and the primary limiting groove 142 are provided with a second plate 5, and one end of the second plate 5 facing the ring frame 42 is fixed to the ring frame 42.

When the containing part 11 needs to be opened to take out the sample in the containing part 11, an experimenter firstly presses the second plate 5 to limit the separation of the second plate 5 from the sub-limiting groove 141 and the female limiting groove 142, then lifts the cover plate 21 to rotate around the elastic plate 3, so that the ring pipe 22 is separated from the elastic sleeve 43 and the ring frame 42 upwards due to elastic sliding until the cover plate 21 and the ring pipe 22 rotate until the ring frame 42 and the elastic sleeve 43 are completely exposed, and the clamping force between the ring frame 42 and the elastic sleeve 43 as well as the containing part 11 is smaller, then the experimenter can use smaller force to rotate the second plate 5 upwards, so that the second plate 5 drives the ring frame 42, the elastic sleeve 43 and the first plate 41 to rotate around the rotating shafts of the first plate 41 and the flanging part 12 until the ring frame 42 and the elastic sleeve 43 are separated from the containing part 11, and then the experimenter can take out the sample in the containing part 11 to carry out the experiment, and the elastic sleeve 43 is positioned at the opening of the containing part 11 when the cover plate 21 and the ring 22 are lifted The sample shelters from to avoided leading to body 1 the inside sample liquid to splash because of exerting oneself too greatly when opening end cover 2, improved the protection to the experimenter.

Referring to fig. 3, in order to enable the experimenter to press the second plate 5 more conveniently, the second plate 5 includes a connecting portion 51 which is clamped in the sub-limiting groove 141 and fixed with the ring frame 42, one end of the connecting portion 51 departing from the ring frame 42 is rotatably connected with a rotating portion 52, the rotating axes of the rotating portion 52 and the connecting portion 51 are parallel to the rotating axes of the first plate 41 and the first caulking groove 13, the rotating portion 52 rotates downwards around the rotating axes of the rotating portion 52 and the connecting portion 51 and is attached to the outer side wall of the containing portion 11, so that the experimenter can press the thumb on one side of the rotating portion 52 departing from the containing portion 11, that is, the rotating portion 52 can be limited from the connecting portion 51 and the free separation of the female limiting groove 142 from the sub-limiting groove 141, the overall structure is simple, the operation is convenient, the operating efficiency of the experimenter is improved, in addition, a plurality of anti-slip strips 53 are fixed on one side of the rotating portion 52 departing from the containing portion 11, the plurality of anti-slip strips 53 are uniformly distributed along the height direction of the rotating portion 52, so that the friction effect between the fingers of the experimenter and the side wall of the rotating portion 52 is increased, and the fingers and the rotating portion 52 are prevented from sliding relatively.

Referring to fig. 3, in order to avoid the free rotation of the rotating portion 52 and the connecting portion 51 at ordinary times, a rectangular block-shaped latch 54 is fixed on one side of the rotating portion 52 facing the containing portion 11 near the bottom end of the rotating portion 52, a slot 111 for the latch 54 to be latched is formed on the side wall corresponding to the containing portion 11, the possibility of free rotation of the rotating portion 52 and the connecting portion 51 at ordinary times is reduced under the mutual latching of the latch 54 and the slot 111, an elastic pad 55 is further attached to the outer side wall of the latch 54 contacting the slot 111 to make the latch 54 and the slot latch more tightly engaged, so as to avoid the free separation of the latch 54 and the slot 111, a rectangular pushing plate 56 is further fixed on one side of the rotating portion 52 away from the containing portion 11, the pushing plate 56 is close to the top of the rotating portion 52, and one end of the pushing plate 56 far from the rotating portion 52 is arranged obliquely upward, so that an experimenter can push the pushing plate 56 to separate the latch 54 and the slot 111 from each other, thereby improving the opening efficiency of the ring frame 42 and the sleeve-type sleeve with the container portion 11.

The implementation principle of the EP pipe for preventing liquid splashing by uncovering in the embodiment of the application is as follows: when the containing part 11 needs to be opened to take out a sample in the containing part 11, an experimenter firstly presses the rotating part 52, then upwards lifts the cover plate 21 to separate the ring pipe 22 from the containing part 11, then pushes the push plate 56 to separate the clamping block 54 from the clamping groove 111, so as to release the fixed limitation on the rotating part 52 and the containing part 11, then the experimenter can clamp the rotating part 52 with fingers to pull upwards, thereby driving the connecting part 51, the ring frame 42 and the first plate body 41 to rotate around the first plate body 41 and the first caulking groove 13 until the elastic sleeve connected with the ring frame 42 is separated from the containing part 11, and then the opening of the containing part 11 can be opened to safely take out the sample in the containing part 11.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a prevent to uncap EP pipe that spatters liquid which characterized in that: the sample shielding device comprises a tube body (1), wherein an end cover (2) is arranged on the top of the tube body (1) in a covering mode, the side wall of the end cover (2) is connected with the top edge of the tube body (1) through an elastic plate (3), and a shielding assembly (4) used for shielding a sample for the second time to avoid the sample splashing caused by opening the end cover (2) is arranged between the end cover (2) and the tube body (1); the end cover (2) comprises a cover plate (21) and a ring pipe (22) fixed on the lower surface of the cover plate (21), a first caulking groove (13) communicated with the inner wall of the pipe body (1) is arranged on the upper surface of the pipe body (1) near the elastic plate (3), a second caulking groove (14) communicated with the inner wall of the pipe body (1) is further formed in the position, far away from the elastic plate (3), of the upper surface of the pipe body (1), the shielding assembly (4) comprises a first plate body (41) arranged in the first caulking groove (13) and a second plate body (5) arranged in the second caulking groove (14), a ring frame (42) used for being clamped with the end opening of the pipe body (1) is fixed between the first plate body (41) and the second plate body (5), an elastic sleeve (43) with an opening at the top end is fixed at the bottom of the ring frame (42), the ring pipe (22) penetrates through the ring frame (42) and is clamped into the elastic sleeve (43), so that the outer peripheral wall of the elastic sleeve (43) is tightly attached to the inner side wall of the pipe body (1).

2. The EP tube for preventing liquid spillage on a lid as claimed in claim 1, wherein: one end, far away from the ring frame (42), of the first plate body (41) is rotatably connected with the first caulking groove (13), and the rotating axis of the first plate body (41) and the rotating axis of the first caulking groove (13) are parallel to the rotating axis of the cover plate (21) around the elastic plate (3).

3. The EP tube for preventing liquid spillage on a lid as claimed in claim 2, wherein: the pipe body (1) comprises a containing part (11) and a flanging part (12) connected to the outer side wall of the top end of the containing part (11), the second caulking groove (14) comprises a secondary limiting groove (141) located on the containing part (11) and a primary limiting groove (142) located on the flanging part (12), the primary limiting groove (142) is communicated with the outer side of the flanging part (12), the primary limiting groove (142) extends downwards and is communicated with the outer side wall of the containing part (11), the second plate body (5) comprises a connecting part (51) clamped in the secondary limiting groove (141), one end, facing the ring frame (42), of the connecting part (51) is fixed with the side wall of the ring frame (42), one end, facing away from the ring frame (42), of the connecting part (51) is rotatably connected with a rotating part (52), the rotating axes of the rotating part (52) and the connecting part (51) are parallel to the rotating axes of the first plate body (41) and the first caulking groove (13), when the rotating part (52) rotates downwards, the rotating part (52) can be abutted against the outer side wall of the containing part (11).

4. An EP tube for preventing liquid spillage from a lid as claimed in claim 3 wherein: one side of the rotating portion (52) departing from the containing portion (11) is fixed with a plurality of anti-slip strips (53), and the anti-slip strips (53) are uniformly distributed along the height direction of the rotating portion (52).

5. An EP tube for preventing liquid spillage from a lid as claimed in claim 3 wherein: one side of the rotating part (52) facing the containing part (11) is close to the bottom end of the rotating part (52) and is fixedly provided with a clamping block (54), and the side wall corresponding to the containing part (11) is provided with a clamping groove (111) for the clamping block (54) to be clamped in.

6. The EP tube for preventing liquid spillage on a lid as claimed in claim 5, wherein: an elastic pad (55) is attached to the outer side wall of the clamping block (54).

7. The EP tube for preventing liquid spillage on a lid as claimed in claim 5, wherein: a pushing plate (56) is fixed on one side of the rotating part (52) departing from the containing part (11) and close to the top of the rotating part (52).