CN214716766U

CN214716766U - One-hand operation test tube

Info

Publication number: CN214716766U
Application number: CN202120377765.2U
Authority: CN
Inventors: 董姣姣; 徐海伦; 郑凤艳
Original assignee: Beijing Sanyao Science & Technology Development Co
Current assignee: Beijing Sanyao Technology Co ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-11-16
Anticipated expiration: 2031-02-18

Abstract

The utility model discloses a one-hand operation test tube, including test tube body and with test tube body sealing connection's test tube lid, the test tube lid include the base and with base articulated bullet lid, the base is provided with the first elastic component that provides the power that resets for the bullet lid with the articulated position of bullet lid, is provided with inlet and resettable switch on the base, resettable switch and bullet lid joint and closed inlet. Through making bullet lid and base articulated to set up to the first elastic component that the bullet lid provided the power that resets at articulated position, after pressing the switch that resets and remove the joint of switch that resets and bullet lid, the bullet lid can be opened in the automation under the power that resets of first elastic component, and the one hand can realize quick, convenient opening test tube lid, provides convenient condition for the experimentation.

Description

One-hand operation test tube

Technical Field

The utility model relates to a biochemical test field especially relates to a one-hand operation test tube.

Background

In the test process, the situation that one hand is required to hold the test tube with the cover and the other hand is used to hold the dropper or other test tools for adding liquid is frequently encountered, the process is very inconvenient to operate, the test tube cover is often prevented from being opened or falling off, if the test tube cover is opened first and then liquid is sucked for adding liquid, for some microorganism tests, the pollution of environmental bacteria is easily caused due to the fact that the tube opening is too long, and the test efficiency is reduced.

Traditional test tube comprises glass test tube and rubber buffer, and the difficult operation of one hand needs both hands cooperation, and experimental requirement need insert the pipette to the test tube when pulling out the rubber buffer and operate, and the rubber buffer that pulls out simultaneously need be hung in the air, can not place on the mesa to prevent polluting. The operation difficulty is higher for the inspection personnel who just enters the line, drops the test tube stopper on the mesa very easily, uses very inconveniently. There are also buckle formula utensil lid test tube products in the market at present, but the buckle is difficult for opening, consequently also can not realize quick, convenient one-hand operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a one-hand operation test tube, in order to solve the problem that above-mentioned prior art exists, it is articulated with the base through making the bullet lid, and set up to the first elastic component that the bullet lid provided the power that resets at articulated position, after pressing reset switch and removing reset switch and bullet lid's joint, the bullet lid can be opened at the automatic bullet of the power that resets of first elastic component down, and the one-hand can realize quick, convenient test tube cover of opening, provides convenient condition for the experimentation.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a one-hand operation test tube, including test tube body and with test tube body sealing connection's test tube lid, the test tube lid include the base and with base articulated bullet lid, the base with the articulated position of bullet lid is provided with into the bullet lid provides the first elastic component of the power that resets, be provided with inlet and reset switch on the base, reset switch with bullet lid joint is closed the inlet.

Preferably, the elastic cover is hinged to the base through a cover shaft, the first elastic piece is a torsion spring, and the torsion spring is sleeved on the cover shaft.

Preferably, the resettable switch includes a switch body and a second elastic member providing a resetting force to the switch body.

Preferably, the second elastic element is an inverted V-shaped switch elastic sheet, the resettable switch further comprises a switch shaft, the switch elastic sheet and the switch body are sleeved on the switch shaft, the resettable switch is hinged to the base through the switch shaft, and two sides of the switch elastic sheet are respectively in contact with the base and the switch body.

Preferably, the switch body with the lid axle sets up relatively, the width of switch body is 11 ~ 14 mm.

Preferably, the elastic sealing element is arranged in the elastic cover and is in sealing fit with the liquid inlet, the elastic sealing element comprises a sealing protrusion, and the sealing protrusion extends into the liquid inlet and is in close fit with the side wall of the liquid inlet.

Preferably, the elastic cover is internally provided with a mounting boss for mounting the elastic sealing element, the mounting boss is an annular boss, and the sealing protrusion is provided with an annular groove matched with the annular boss.

Preferably, the upper end surface of the base is positioned outside the liquid inlet and is provided with a pressing boss, and the pressing boss is in pressing fit with the elastic sealing element.

Preferably, a combination surface of the base and the elastic cover is provided with a plurality of elastic bulges for providing elasticity for the elastic cover.

Preferably, the base with be provided with the sealing washer between the test tube body, elastic sealing spare with the sealing washer is the silica gel material.

The utility model discloses for prior art gain following technological effect:

1. through making bullet lid and base articulated to set up to the first elastic component that the bullet lid provided the power that resets at articulated position, after pressing the switch that resets and remove the joint of switch that resets and bullet lid, the bullet lid can be opened in the automation under the power that resets of first elastic component, and the one hand can realize quick, convenient opening test tube lid, provides convenient condition for the experimentation.

2. Through the inside installation boss that is used for installing elastic sealing element that sets up of flip lid, and set up the installation boss into annular boss, be provided with on elastic sealing element's sealed protruding portion with annular boss complex annular groove, through mutually supporting of annular boss and annular groove, increase installation boss and sealed protruding portion's area of contact to increase frictional force between the two, avoid elastic sealing element to drop.

3. Through set up a plurality of elasticity archs that provide elasticity for the bullet lid on the faying face of base and bullet lid, can assist and provide elasticity for the bullet lid to make opening of bullet lid more quick, open the effect better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic view of the overall structure of the flip cover in a closed state;

FIG. 2 is a schematic view of the spring cover opening at a certain angle;

FIG. 3 is a cross-sectional view of the cap;

FIG. 4 is a top view of a test tube cap with resilient protrusions;

FIG. 5 is a cross-sectional view taken in rotation A-A of FIG. 4;

wherein, 1, a test tube body; 2. a test tube cover; 3. a base; 4. a spring cover; 5. a resettable switch; 6. a liquid inlet; 7. a torsion spring; 8. a cover shaft; 9. a switch body; 10. a switch spring plate; 11. a switch shaft; 12. An elastomeric seal; 13. a sealing protrusion; 14. mounting a boss; 15. an annular groove; 16. compressing the boss; 17. an elastic bulge; 18. a bump; 19. a return spring; 20. accommodating grooves; 21. a card slot; 22. buckling; 23. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model aims at providing a one-hand operation test tube, with the problem of solving prior art existence, it is articulated with the base through making the bullet lid, and set up to the first elastic component that the bullet lid provided the power that resets at articulated position, after pressing reset switch and removing reset switch and bullet lid's joint, the bullet lid can be opened at the automatic bullet of the power that resets of first elastic component down, and the one-hand can realize quick, convenient test tube cover of opening, provides convenient condition for the experimentation.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-5, this embodiment provides a single-hand operated test tube, which includes a test tube body 1 and a test tube cover 2 hermetically connected to the test tube body 1, the test tube cover 2 includes a base 3 and an elastic cover 4 hinged to the base 3, wherein the base 3 is fixedly connected to the test tube body 1, and any form capable of achieving a sealed connection between the two can be adopted, such as a detachable connection or an adhesion, the hinged position between the base 3 and the elastic cover 4 is provided with a first elastic member for providing a restoring force to the elastic cover 4, the first elastic member can be a torsion spring 7, an elastic rope, or any structure capable of providing a restoring force to the elastic cover 4, the base 3 is provided with a liquid inlet 6 and a resettable switch 5, the resettable switch 5 is clamped to the elastic cover 4 and closes the liquid inlet 6, when the resettable switch 5 is pressed, the resettable switch 5 is separated from the position where the elastic cover 4 is clamped, the elastic cover 4 is opened under the restoring force of the first elastic member, the flick angle can reach at least 90 degrees, and the test operation is not influenced; therefore, the elastic cover 4 can be opened by pressing the reset switch 5 with one hand, and the test is convenient and quick and provides convenience for the test process.

For making the bullet lid 4 break away from can reset switch 5 after quick bullet open, and can guarantee enough big restoring force, as an preferred embodiment, it is articulated through lid axle 8 between bullet lid 4 and the base 3, first elastic component is torsion spring 7, and torsion spring 7 cover is established on lid axle 8, provides enough big restoring force for bullet lid 4 through torsion spring 7.

Further, the resettable switch 5 comprises a switch body 9 and a second elastic member for providing resetting force for the switch body 9, preferably, a buckle 22 is arranged on the switch body 9, a clamping groove 21 is arranged at a position opposite to the elastic cover 4, and the elastic cover 4 is locked by the mutual matching of the clamping groove 21 and the buckle 22; certainly, the positions of the buckle 22 and the clamping groove 21 can be exchanged as long as the switch body 9 and the elastic cover 4 can be conveniently clamped; after pressing switch body 9 and making bullet lid 4 bullet open, but reset switch 5 resets under the power that resets of second elastic component, when accomplishing test tube operation and need will play lid 4 and close, only need the one hand to press bullet lid 4, bullet lid 4 and switch body 9 contact to when continuing to press down, realize bullet lid 4 and reset switch 5's joint, thereby accomplish the operation that the one hand closed test tube lid 2.

Specifically, the second elastic component is the switch shell fragment 10 of falling V-arrangement, but reset switch 5 still includes switch shaft 11, and switch shell fragment 10 and switch body 9 are all established on switch shaft 11, and reset switch 5 passes through switch shaft 11 and articulates on base 3, and the both sides of switch shell fragment 10 contact with base 3 and switch body 9 respectively, and the deformation through the switch shell fragment 10 of V-arrangement provides the power that resets for switch body 9.

Further, switch body 9 sets up with lid axle 8 relatively to make bullet lid 4 open the effect and closed effect better, switch body 9's width is 11 ~ 14mm, with switch body 9's size maximize on the base 3 of minor diameter, more makes things convenient for opening of bullet lid 4.

In the application of the test tube, the sealing performance is also an important index, if the sealing performance is not good, no matter the internal reagent leaks or is polluted, the test result is greatly influenced, and therefore, the good sealing performance at the position of the liquid inlet 6 needs to be ensured, in the embodiment, an elastic sealing member 12 which is in sealing fit with the liquid inlet 6 is arranged in the elastic cover 4, the elastic sealing member 12 comprises a sealing protruding part 13, and the sealing protruding part 13 extends into the liquid inlet 6 to be in tight fit with the side wall of the liquid inlet 6; wherein the concrete structure of elastic sealing member 12 can set up to, set up sealed protruding portion 13 into the arc surface structure, as the structure shown in fig. 2, the arc surface structure realizes sealedly with the inclined plane in close contact with of inlet 6 department, also can set up sealed protruding portion 13 into the form of the cylinder face that the diameter is the same with inlet 6 internal diameter, as fig. 3, the structure in fig. 5, make sealed protruding portion 13 can stretch into inlet 6 in, and set up the round arch on sealed protruding portion 13's lateral wall, through arch and the 6 inner walls of inlet press fit, also can realize fine sealed effect.

Further, for making the connection of elastic sealing element 12 and bullet lid 4 inseparabler, when bullet lid 4 pops open, elastic sealing element 12 is difficult to drop, be provided with the installation boss 14 that is used for installing elastic sealing element 12 inside bullet lid 4, installation boss 14 is the annular boss, be provided with on the sealed protruding portion 13 with annular boss complex annular groove 15, through annular boss and annular groove 15 mutually supporting, increase installation boss 14 and sealed protruding portion 13's area of contact, thereby increase the frictional force between the two, make elastic sealing element 12 be difficult to drop.

Further, the upper end face of the base 3 is located outside the liquid inlet 6 and is provided with a pressing boss 16, the pressing boss 16 is in pressing fit with the elastic sealing element 12, and when the elastic cover 4 is closed, the pressing boss 16 extrudes the end face of the elastic sealing element 12, so that the position is better in combination, and the sealing effect is improved.

For guaranteeing that the reagent in the test tube can not leak, bullet lid 4 combines with the sealed department of inlet 6 and needs inseparabler, and the resistance that receives can the grow at the in-process that bullet lid 4 bounced so, for further guaranteeing that bullet lid 4 can flick fast after the constraint that breaks away from switch body 9, in an embodiment, still be provided with a plurality of elastic bulge 17 that provide elasticity for bullet lid 4 on the base 3 and the faying face of bullet lid 4.

Specifically, a plurality of accommodating grooves 20 are formed on a joint surface of the base 3 and the elastic cover 4, a return spring 19 is arranged in the accommodating groove 20, a convex block 18 is connected to the top end of the return spring 19, the convex block 18 needs to protrude out of the surface of the base 3, so that when the elastic cover 4 is combined with the base 3, the convex block 18 is pressed into the accommodating groove 20, and after the elastic cover 4 is separated from the constraint of the switch body 9, the convex block 18 is upwards bounced under the elastic force of the return spring 19, and meanwhile, the elastic force for bouncing off the elastic cover 4 is provided, so that the function of assisting the elastic cover 4 to open is achieved; preferably, the protrusion 18 partially protrudes from the upper surface of the receiving groove 20 and partially is located in the receiving groove 20, so as to guide the movement of the protrusion 18.

Further, in order to ensure the sealing performance between the base 3 and the test tube body 1, a sealing ring 23 is arranged between the base 3 and the test tube body 1, and the elastic sealing element 12 and the sealing ring 23 are made of silica gel.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A one-hand operation test tube which is characterized in that: including the test tube body and with test tube body sealing connection's test tube lid, the test tube lid include the base and with base articulated bullet lid, the base with the articulated position of bullet lid is provided with to the bullet lid provides the first elastic component of the power that resets, be provided with inlet and reset switch on the base, reset switch with bullet lid joint and closure the inlet.

2. A single-hand operated cuvette according to claim 1, wherein: the elastic cover is hinged to the base through a cover shaft, the first elastic piece is a torsion spring, and the torsion spring is sleeved on the cover shaft.

3. A single-hand operated cuvette according to claim 2, wherein: the resettable switch comprises a switch body and a second elastic piece for providing resetting force for the switch body.

4. A single-hand operated cuvette according to claim 3, wherein: the second elastic piece is an inverted V-shaped switch elastic piece, the resettable switch further comprises a switch shaft, the switch elastic piece and the switch body are sleeved on the switch shaft, the resettable switch is hinged to the base through the switch shaft, and two sides of the switch elastic piece are respectively in contact with the base and the switch body.

5. A single-hand operated cuvette according to claim 4, wherein: the switch body with the lid axle sets up relatively, the width of switch body is 11 ~ 14 mm.

6. A single-hand operated cuvette according to any one of claims 1 to 5, wherein: the elastic sealing part is arranged in the elastic cover and is in sealing fit with the liquid inlet, the elastic sealing part comprises a sealing protruding part, and the sealing protruding part extends into the liquid inlet and is in close fit with the side wall of the liquid inlet.

7. A single-hand operated cuvette according to claim 6, wherein: the elastic sealing element is characterized in that an installation boss used for installing the elastic sealing element is arranged in the elastic cover, the installation boss is an annular boss, and an annular groove matched with the annular boss is formed in the sealing protruding portion.

8. A single-hand operated cuvette according to claim 7, wherein: the upper end face of the base is positioned outside the liquid inlet and is provided with a pressing boss, and the pressing boss is in pressing fit with the elastic sealing element.

9. A single-hand operated cuvette according to claim 8, wherein: and a plurality of elastic bulges for providing elasticity for the elastic cover are arranged on the combination surface of the base and the elastic cover.

10. A single-hand operated cuvette according to claim 6, wherein: the base with be provided with the sealing washer between the test tube body, elastic sealing spare with the sealing washer is the silica gel material.