CN219186982U - Test tube suitable for single-hand operation - Google Patents

Abstract

The utility model provides a test tube suitable for one-hand operation. The test tube suitable for one-hand operation comprises a tube body and a test tube cover arranged on the tube body, wherein the test tube cover comprises a cover body and a locking mechanism arranged on the cover body, a fixing clamping ring matched with the locking mechanism is formed on the outer side of the tube opening of the tube body, and a sealing part for sealing the tube opening of the tube body is arranged at the top in the cover body. The locking mechanism comprises a buckle plate and an elastic snap ring, the buckle plate is hinged on the cover body, the buckle plate is positioned on the outer side of the cover body, and an eccentric sleeve eccentric rotating part is arranged at the hinged end of the buckle plate. The elastic snap ring is arranged in the cover body in a deformable way, the elastic snap ring is positioned on the inner side of the cover body, and the pinch plate rotates to drive the eccentric rotating part to rotate and stretch or squeeze the elastic snap ring. According to the technical scheme, an operator can completely separate the tube body and the test tube cover through one-hand operation, and the tube orifice of the tube body is fully opened, so that the operator can conveniently perform other experimental operations.

Description

Test tube suitable for single-hand operation

Technical Field

The utility model relates to the technical field of experimental equipment, in particular to a test tube suitable for single-hand operation.

Background

In the test process, the condition that a test tube with a cover is needed to be held by one hand, a dropper or other test tools are needed to be held by the other hand for adding liquid is often encountered, the operation of the process is very inconvenient, the test tube cover is often prevented from being opened or falling off, if the test tube cover is opened first, then liquid is sucked for adding liquid, and for some microorganism tests, the pollution of environmental bacteria is easily caused due to too long opening time of a tube orifice, and the test efficiency is reduced.

The traditional test tube comprises glass test tube and rubber buffer, and one hand is difficult for operating, needs both hands cooperation, and the test requires to insert the pipette to the test tube and operate when pulling out the rubber buffer, and the rubber buffer of pulling out simultaneously needs to hang in the sky, can not place on the mesa to it is pollution-proof. For the inspector who goes into the line just, the operation degree of difficulty is great, very easy to drop the test tube stopper to the mesa, and it is very inconvenient to use.

In order to solve the above technical problem, in the patent with publication No. CN214716766U, a test tube capable of being operated by one hand is disclosed, the tube cover of the test tube is composed of a base and a flip cover, the flip cover is connected with the base through a buckle, and the flip cover can be opened relative to the base by pressing the buckle.

Although the above-mentioned prior art has realized the single hand operation that the test tube was opened, but because base and test tube mouth still are in the same place, can not make the test tube mouth abundant open, in order to avoid experimental facilities such as pipette to contact with the test tube mouth to the operation degree of difficulty of experimental facilities such as pipette has been increased again.

Disclosure of Invention

The utility model mainly aims to provide a test tube suitable for single-hand operation, so as to solve the technical problem that the test tube operated by one hand in the prior art increases the operation difficulty of experimental equipment such as a pipette and the like.

In order to achieve the above purpose, the utility model provides a test tube suitable for one-hand operation, comprising a tube body and a test tube cover arranged on the tube body, wherein the test tube cover comprises a cover body and a locking mechanism arranged on the cover body, a fixed clamping ring matched with the locking mechanism is formed on the outer side of the tube opening of the tube body, and a sealing part for sealing the tube opening of the tube body is arranged at the top of the cover body; the locking mechanism includes: the buckle plate is hinged on the cover body, the buckle plate is positioned at the outer side of the cover body, and the hinged end of the buckle plate is provided with an eccentric rotating part; the elastic clamping ring is arranged in the cover body in a deformable way, and the pinch plate rotates to drive the eccentric rotating part to rotate and stretch or squeeze the elastic clamping ring; the elastic clamping ring can be separated from the fixed clamping ring under the normal state, so that the test tube cover can be separated from the tube body; under the deformation state, the elastic snap ring deforms to enable the elastic snap ring to be matched with the fixed snap ring to limit the cover body on the pipe orifice, and the sealing part is used for plugging the pipe orifice.

In one embodiment, the snap ring is in a normal state, and the buckle is opened relative to the cover; the elastic clamping ring is in a deformation state, and the buckle plate is buckled relative to the cover body.

In one embodiment, the buckle is an arc buckle, and the buckle is attached to the outer side of the cover.

In one embodiment, the end of the pinch plate is provided with an operating end, the operating end protruding relative to the pinch plate.

In one embodiment, the operating end is a wedge-shaped structure that is outwardly warped relative to the cover.

In one embodiment, the locking mechanism further comprises a pulling plate, the eccentric rotating portion is connected with the elastic snap ring through the pulling plate, and the eccentric rotating portion stretches the elastic snap ring through the rotation of the pulling plate.

In one embodiment, a limiting protrusion spaced from the fixed snap ring is formed on the outer side of the pipe orifice of the pipe body, and the elastic snap ring is limited by the limiting protrusion.

In one embodiment, a stop boss spaced from the fixed snap ring is formed on the tube body, the stop boss is located between the fixed snap ring and the stop boss, and the elastic snap ring is clamped between the fixed snap ring and the stop boss.

In one embodiment, the bottom of the tube body is conical or circular arc-shaped, and the outer side of the bottom of the tube body is provided with a supporting leg structure.

By applying the technical scheme of the utility model, when the test tube cover is required to be buckled, an operator can hold the tube body by one hand, the pinch plate is operated by the thumb to rotate, the eccentric rotating part rotates to stretch or squeeze the elastic snap ring, the elastic snap ring deforms under the deformation state, so that the elastic snap ring is matched with the fixed snap ring to limit the cover body on the tube orifice, and at the moment, the sealing part in the cover body is blocked on the tube orifice, so that the sealing of the tube orifice is realized. When the test tube cover needs to be opened, an operator can hold the tube body by one hand, and the thumb operates the pinch plate to rotate, so that the elastic snap ring is in a conventional state and can be separated from the fixed snap ring, and the cover body can be separated from the tube body. Therefore, the technical scheme of the utility model can enable an operator to realize complete separation of the tube body and the test tube cover through one-hand operation, and the tube orifice of the tube body is fully opened, so that the operator can conveniently carry out other experimental operations.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic overall structure of an embodiment of a test tube suitable for one-handed operation according to the present utility model;

FIG. 2 shows a schematic view of the closed state of the test tube lid of the embodiment of the test tube of FIG. 1 suitable for one-handed operation;

FIG. 3 shows a schematic view of the open state of the test tube lid of the embodiment of the test tube of FIG. 2 adapted for one-handed operation;

FIG. 4 shows a schematic structural view of the locking mechanism of the test tube cap of the embodiment of the test tube suitable for one-handed operation of FIG. 2;

FIG. 5 shows a schematic top view of the locking mechanism of FIG. 4;

FIG. 6 shows a schematic cross-sectional structural view of the test tube cap of FIG. 2;

fig. 7 shows a schematic structural diagram of the locking mechanism of fig. 5.

Wherein the above figures include the following reference numerals:

10. a tube body; 11. a fixed snap ring; 12. a limit protrusion; 13. a stop boss; 14. a leg structure; 20. a test tube cover; 21. a cover body; 22. a locking mechanism; 221. pulling a plate; 222. a buckle plate; 223. an elastic clasp; 224. an operation end; 23. and a sealing part.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are, for example, capable of operation in other environments. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Fig. 1, 2, 3 and 6 show an embodiment of a test tube suitable for one-hand operation according to the present utility model, which includes a tube body 10 and a test tube cover 20 provided on the tube body 10, the test tube cover 20 including a cover body 21 and a locking mechanism 22 mounted on the cover body 21, a fixing clasp 11 cooperating with the locking mechanism 22 being formed at the outside of the mouth of the tube body 10, and a sealing portion sealing the mouth of the tube body 10 being provided at the top inside the cover body 21. As shown in fig. 3, the locking mechanism 22 includes a buckle 222 and an elastic snap ring 223, the buckle 222 is hinged on the cover 21, the buckle 222 is located at the outer side of the cover 21, and an eccentric rotating portion 222a of the eccentric sleeve is provided at the hinged end of the buckle 222. The elastic snap ring 223 is mounted on the inner part 221 of the cover 21 in a deformable way, the elastic snap ring 223 is positioned on the inner side of the cover 21, and the buckle plate 222 rotates on the cover 21 to drive the eccentric rotating part 222a to rotationally stretch or squeeze the elastic snap ring 223. The elastic snap ring 223 is detachable from the fixed snap ring 11 in a normal state, so that the test tube cover 20 can be separated from the tube body 10. In the deformed state, the elastic snap ring 223 deforms, so that the elastic snap ring 223 is matched with the fixed snap ring 11 to limit the cover 21 on the pipe orifice, and the sealing part 23 seals the pipe orifice.

By applying the technical scheme of the utility model, when the test tube cover needs to be buckled, an operator can hold the tube body by one hand, the thumb operates the buckle plate 222 to rotate, the eccentric rotating part 222a rotates to stretch or squeeze the elastic snap ring 223, the elastic snap ring 223 deforms under the deformation state, the elastic snap ring 223 is matched with the fixed snap ring 11 to limit the cover body 21 on the tube orifice, and at the moment, the sealing part in the cover body 21 is blocked on the tube orifice, so that the sealing of the tube orifice is realized. When the test tube cover needs to be opened, an operator can hold the tube body with one hand, and the thumb operates the buckle plate 222 to rotate, so that the elastic snap ring 223 is in a normal state, and the elastic snap ring 223 can be separated from the fixed snap ring 11, thereby the cover body 21 can be separated from the tube body 10. Therefore, the technical scheme of the utility model can enable an operator to completely separate the tube body 10 and the test tube cover 20 through one-hand operation, and enable the tube opening of the tube body 10 to be fully opened, thereby being convenient for the operator to carry out other experimental operations.

As shown in fig. 4 and 5, in the technical solution of the present embodiment, the implementation portion of the circlip 223 is shown in a deformed state, and the dotted line portion is shown in a normal state. The elastic snap ring 223 is pulled into an oval shape in a deformed state and catches the main fixing snap ring 11, and is restored into a circular shape in a normal state so as to be detachable with respect to the fixing snap ring 11. Preferably, the elastic clamping ring 223 can be thickened in the 9-point and 3-point directions, so that the elastic clamping ring is limited by the tube wall and cannot deform.

As a preferred embodiment, as shown in fig. 7, in the technical solution of the present embodiment, the locking mechanism 22 further includes a pulling plate 221, the eccentric rotation portion 222a is connected to the snap ring 223 through the pulling plate 221, and the eccentric rotation portion 222a rotates to stretch the snap ring 223 through the pulling plate 221. In another alternative embodiment, the pull plate 221 may be omitted, and the eccentric rotation portion 222a may directly abut against the snap ring 223, and the snap ring 223 may be deformed by pressing the snap ring 223.

In the technical solution of the present embodiment, the snap ring 223 is in a normal state, and the buckle 222 is opened with respect to the cover 21; the elastic snap ring 223 is in a deformed state, and the buckle plate 222 is buckled relative to the cover body 21, so that the space occupation of the buckle plate 222 of the test tube cover in the buckled state can be reduced.

As shown in fig. 4 and 5, in the technical solution of this embodiment, the buckle plate 222 is an arc buckle plate 222, and the buckle plate 222 is attached to the outer side of the cover 21, so that the space occupation of the buckle plate 222 of the test tube cover in the buckled state can be further reduced.

As a preferred embodiment, as shown in fig. 4, in the technical solution of the present embodiment, the end portion of the buckle 222 is provided with an operation end 224, and the operation end 224 protrudes relative to the buckle 222, so as to facilitate the opening of the buckle 222 by a finger. More preferably, in the technical solution of the present embodiment, the operation end 224 has a wedge-shaped structure that is warped outwards relative to the cover 21, so that the nail cover of the thumb can be used to open and rotate the buckle 222 during one-hand operation.

As a more preferable embodiment, in order to make the mounting of the cover 21 on the pipe body 10 more stable, a limiting protrusion 12 spaced from the fixing clip 11 is formed on the outer side of the pipe mouth of the pipe body 10, and the elastic clip 223 is limited by the limiting protrusion 12. When in use, the lower half part of the elastic snap ring 223 is clamped on the limiting bulge 12, and the limiting bulge 12 is used for limiting, so that the loosening of the test tube cover 20 is avoided.

As a preferred embodiment, the stopper boss 13 spaced from the fixed snap ring 1111 is formed on the test pipette body 231, the stopper boss 12 is located between the fixed snap ring 11 and the stopper boss 13, and the elastic snap ring 223 is clamped between the fixed snap ring 11 and the stopper boss 13. The elastic snap ring 223 is limited by the limiting protrusion 12, and the fixed snap ring 11 and the stop boss 13 are clamped together to be matched and limited and fixed, so that the cover body 21 is firmly abutted with the tube body 10, and liquid leakage caused by loosening of the test tube cover 20 is avoided.

Optionally, in the technical scheme of this embodiment, the bottom of body 10 is conical or convex, and the outside of the bottom of body 10 is provided with landing leg structure 14, and in the technical scheme of this embodiment, landing leg structure is cylindrical landing leg, can directly support the test tube on the desktop, avoids the test tube to empty. As a further alternative, the shape of the legs may also be prismatic.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The utility model provides a test tube suitable for single hand operation, includes body (10) and sets up test tube lid (20) on body (10), its characterized in that, test tube lid (20) include lid (21) and install locking mechanism (22) on lid (21), the outside of the mouth of pipe department of body (10) is formed with locking mechanism (22) matched with fixed snap ring (11), the top in lid (21) is provided with sealing part (23) of sealed mouth of pipe of body (10);

the lock mechanism (22) includes:

the buckle plate (222) is hinged to the cover body (21), the buckle plate (222) is located on the outer side of the cover body (21), and an eccentric rotating part (222 a) is arranged at the hinged end of the buckle plate (222);

the elastic clamping ring (223) is arranged in the cover body (21) in a deformable way, and the pinch plate (222) rotates to drive the eccentric rotating part (222 a) to rotationally stretch or squeeze the elastic clamping ring (223);

the elastic clamping ring (223) can be separated from the fixed clamping ring (11) under the normal state, so that the test tube cover (20) can be separated from the tube body (10);

the elastic snap ring (223) is in a deformation state, and the elastic snap ring (223) deforms to enable the elastic snap ring (223) to be matched with the fixed snap ring (11) to limit the cover body (21) on the pipe orifice, so that the sealing part seals the pipe orifice.

2. The test tube according to claim 1, characterized in that said snap ring (223) is open in a normal condition, said buckle (222) being open with respect to said cover (21); the elastic snap ring (223) is in a deformed state, and the buckle plate (222) is buckled relative to the cover body (21).

3. The tube according to claim 2, characterized in that said buckle (222) is an arc-shaped buckle (222), said buckle (222) being conformed to the outside of said cover (21).

4. Tube suitable for single-handed operation according to claim 2, characterized in that the end of the pinch plate (222) is provided with an operating end (224), the operating end (224) protruding with respect to the pinch plate (222).

5. Tube suitable for single-handed operation according to claim 4, characterized in that said handling end (224) is a wedge-shaped structure which is outwardly warped with respect to said cover (21).

6. The test tube adapted for one-handed operation according to claim 1, wherein the locking mechanism (22) further comprises a pulling plate (221), the eccentric rotation portion (222 a) is connected to the snap ring (223) through the pulling plate (221), and the eccentric rotation portion (222 a) rotationally stretches the snap ring (223) through the pulling plate (221).

7. The test tube suitable for one-handed operation according to claim 1, wherein a limiting protrusion (12) spaced from the fixed snap ring (11) is formed on the outer side of the tube mouth of the tube body (10), and the elastic snap ring (223) is limited by the limiting protrusion (12).

8. The test tube suitable for one-handed operation according to claim 7, wherein a stop boss (13) spaced from the fixed snap ring (11) is formed on the tube body (10), the stop boss (12) is located between the fixed snap ring (11) and the stop boss (13), and the elastic snap ring (223) is clamped between the fixed snap ring (11) and the stop boss (13).

9. Tube suitable for single-handed operation according to claim 1, characterized in that the bottom of the tube body (10) is conical or circular arc-shaped, the outside of the bottom of the tube body (10) being provided with leg structures (14).

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