CN115634725A - Test tube suitable for single-hand operation - Google Patents

Abstract

The invention provides a test tube suitable for one-handed operation. This test tube that is fit for one-hand operation includes the body and sets up the test tube lid on the body, and the test tube lid includes the lid and installs the locking mechanical system on the lid, and the outside of the mouth of pipe department of body is formed with the fixed snap ring with locking mechanical system matched with, and the top in the lid is provided with the orificial sealing of sealed body. Locking mechanical system includes buckle and elastic clasp, and the buckle articulates on the lid, and the buckle is located the outside of lid, and the hinged end of buckle is provided with eccentric cover eccentric rotation portion. The elastic snap ring is arranged in the cover body in a deformable mode, the elastic snap ring is located on the inner side of the cover body, and the buckle plate rotates to drive the eccentric rotating portion to rotate, stretch or extrude the elastic snap ring. According to the technical scheme, the tube body and the test tube cover can be completely separated through one-hand operation of an operator, and the tube opening of the tube body is fully opened, so that the operator can conveniently perform other experiment operations.

Description

Test tube suitable for single-hand operation

Technical Field

The invention 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 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 singlehanded 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.

In order to solve the above technical problem, in the patent with publication number CN214716766U, a test tube capable of being operated by one hand is disclosed, in which a tube cover of the test tube is composed of a base and a spring cover, the spring cover is connected with the base through a buckle, and the spring cover can be opened relative to the base by pressing the buckle.

Although the above-mentioned prior art has realized the one-hand operation that the test tube was opened, because base and test tube mouth still link together, can not make the test tube mouth fully open, in order to avoid experimental facilities such as pipettes to contact with the test tube mouth to the operation degree of difficulty of experimental facilities such as pipettes has increased again.

Disclosure of Invention

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

In order to achieve the purpose, the invention provides a test tube suitable for one-hand operation, which 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; the locking mechanism comprises: the buckle plate is hinged on the cover body and positioned on the outer side of the cover body, and an eccentric rotating part is arranged at the hinged end of the buckle plate; the elastic clamping ring is arranged in the cover body in a deformable manner, and the pinch plate rotates to drive the eccentric rotating part to rotate and stretch or extrude the elastic clamping ring; the elastic clamping ring can be separated from the fixed clamping ring under the conventional state, so that the test tube cover can be separated from the tube body; elastic snap ring is under deformation state, and elastic snap ring deformation makes elastic snap ring and fixed snap ring cooperate and spacing the lid on the mouth of pipe, lets the sealing shutoff mouth of pipe.

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

In one embodiment, the end of the pinch plate is provided with an operating end, which protrudes with respect to the pinch plate.

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

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

In one embodiment, the outer side of the pipe orifice of the pipe body is provided with a limiting bulge which is spaced from the fixed clamping ring, and the elastic clamping ring is limited by the limiting bulge.

In one embodiment, the pipe body is provided with a stop boss spaced from the fixed snap ring, the limiting protrusion 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 pipe body is conical or circular arc-shaped, and the outer side of the bottom of the pipe body is provided with a support leg structure.

By applying the technical scheme of the invention, when the test tube cover needs to be buckled, an operator can hold the tube body with a single hand, the pinch plate is operated by a thumb to rotate, the eccentric rotating part rotates to stretch or extrude the elastic snap ring, the elastic snap ring deforms in a deformation state, so that the elastic snap ring is matched with the fixed snap ring to limit the cover body on the tube opening, and at the moment, the sealing part in the cover body is blocked on the tube opening, so that the tube opening is sealed. When the test tube cover needs to be opened, an operator can hold the tube body with a single hand, the thumb-operated buckle plate rotates, the elastic clamping ring is in a conventional state, and the elastic clamping ring can be separated from the fixed clamping ring, so that the cover body can be separated from the tube body. Therefore, the technical scheme of the invention can ensure that an operator can realize the complete separation of the tube body and the test tube cover through single-hand operation, and the tube opening of the tube body is fully opened, thereby facilitating the operator to carry out other experimental operations.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic overall structural view of an embodiment of a test tube suitable for single-handed operation according to the present invention;

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

FIG. 3 shows a schematic view of the open state of the tube cover of the embodiment of the test tube of FIG. 2 suitable for single-handed operation;

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

FIG. 5 shows a top view of the closure of FIG. 4;

FIG. 6 shows a schematic cross-sectional structural view of the cuvette lid of FIG. 2;

fig. 7 shows a schematic block diagram of the closure mechanism of fig. 5.

Wherein the figures include the following reference numerals:

10. a pipe body; 11. fixing the snap ring; 12. a limiting bulge; 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. buckling the plate; 223. an elastic snap ring; 224. an operation end; 23. and a sealing part.

Detailed Description

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

In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements 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 for describing embodiments of the invention herein. 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 according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Fig. 1, 2, 3 and 6 show an embodiment of the test tube suitable for one-hand operation according to the present invention, the test tube suitable for one-hand operation comprises a tube body 10 and a test tube cover 20 arranged on the tube body 10, the test tube cover 20 comprises a cover body 21 and a locking mechanism 22 arranged on the cover body 21, a fixing snap ring 11 matched with the locking mechanism 22 is formed on the outer side of the tube opening of the tube body 10, and a sealing part for sealing the tube opening of the tube body 10 is arranged on the top inside the cover body 21. As shown in fig. 3, the locking mechanism 22 includes a buckle plate 222 and a resilient snap ring 223, the buckle plate 222 is hinged on the cover 21, the buckle plate 222 is located on the outer side of the cover 21, and the hinged end of the buckle plate 222 is provided with an eccentric sleeve eccentric rotating part 222a. The elastic snap ring 223 is flexibly mounted in the cover body 21 on the inner side 221 of the cover body 21, the elastic snap ring 223 is positioned at the inner side of the cover body 21, and the buckle plate 222 rotates on the cover body 21 to drive the eccentric rotating part 222a to rotate, stretch or press the elastic snap ring 223. The elastic snap ring 223 can be disengaged from the fixed snap ring 11 under normal conditions, so that the test tube cap 20 can be separated from the tube body 10. Elastic snap ring 223 is under deformation state, and elastic snap ring 223 deformation makes elastic snap ring 223 cooperate with fixed snap ring 11 with lid 21 spacing on the mouth of pipe, lets sealing portion 23 shutoff mouth of pipe.

By applying the technical scheme of the invention, when the test tube cover needs to be buckled, an operator can hold the tube body with one hand, the pinch plate 222 is operated by a thumb to rotate, the eccentric rotating part 222a rotates to stretch or extrude the elastic snap ring 223, the elastic snap ring 223 deforms under the deformation state, so that the elastic snap ring 223 is matched with the fixed snap ring 11 to limit the cover body 21 on the tube opening, and the sealing part in the cover body 21 is blocked on the tube opening, so that the tube opening is sealed. When the test tube cover needs to be opened, an operator can also hold the tube body with a single hand, the thumb-operated buckle plate 222 rotates, the elastic clamping ring 223 is in a normal state, the elastic clamping ring 223 can be separated from the fixed clamping ring 11, and therefore the cover body 21 can be separated from the tube body 10. Therefore, the technical scheme of the invention can ensure that an operator can realize the complete separation of the tube body 10 and the test tube cover 20 through single-hand operation, and the tube opening of the tube body 10 is fully opened, thereby facilitating the operator to carry out other experimental operations.

As shown in fig. 4 and 5, in the solution of the present embodiment, the implementing portion of the resilient snap ring 223 is shown in a deformed state, and the dotted line portion is shown in a normal state. The elastic snap ring 223 is drawn into an oval shape in the deformed state and is locked to the stationary snap ring 11, and is restored to a circular shape in the normal state to be separated from the stationary snap ring 11. Preferably, the elastic snap ring 223 may be thickened in the directions of 9 points and 3 points, so that the elastic snap ring is limited by the tube wall and cannot be deformed.

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

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

As shown in fig. 4 and fig. 5, preferably, in the technical solution of this embodiment, the fastening plate 222 is an arc-shaped fastening plate 222, and the fastening plate 222 is attached to the outer side of the cover body 21, so that the space occupied by the fastening plate 222 when the test tube cover is in the fastened state can be further reduced.

As a preferable embodiment, as shown in fig. 4, in the solution of the present embodiment, an operating end 224 is provided at an end of the buckle plate 222, and the operating end 224 protrudes relative to the buckle plate 222 so as to facilitate the finger to operate the buckle plate 222 to open. More preferably, in the solution of the present embodiment, the operation end 224 is a wedge-shaped structure that is warped outwards relative to the cover body 21, which further facilitates the nail cover of the thumb to open and rotate the latch 222 when operated by one hand.

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

In a preferred embodiment, the test solution tube body 231 is formed with a stop boss 13 spaced from the fixed snap ring 1111, the position limiting protrusion 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. Elastic clamping ring 223 is spacing through spacing arch 12 to and fixed snap ring 11 cooperates spacingly fixedly jointly with backstop boss 13 joint, makes lid 21 and the firm butt of body 10, avoids test tube lid 20 not hard up to cause the liquid seepage.

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

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A test tube suitable for one-hand operation comprises a tube body (10) and a test tube cover (20) arranged on the tube body (10), and is characterized in that the test tube cover (20) comprises a cover body (21) and a locking mechanism (22) arranged on the cover body (21), a fixing clamping ring (11) matched with the locking mechanism (22) is formed on the outer side of the tube opening of the tube body (10), and a sealing part (23) for sealing the tube opening of the tube body (10) is arranged at the top in the cover body (21);

the locking mechanism (22) comprises:

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 portion (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 mode, and the buckle plate (222) rotates to drive the eccentric rotating part (222 a) to rotate, stretch or extrude the elastic clamping ring (223);

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

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

2. Test tube adapted to be operated by one hand according to claim 1, characterized in that the snap ring (223) is normally open with respect to the cap (21) by the snap plate (222); and when the elastic snap ring (223) is in a deformed state, the buckle plate (222) is buckled relative to the cover body (21).

3. A test tube adapted for single-handed operation according to claim 2, wherein the fastening plate (222) is an arc-shaped fastening plate (222), and the fastening plate (222) is attached to the outer side of the cap (21).

4. Test tube suitable for one-handed operation according to claim 2, characterized in that the end of the pinch plate (222) is provided with an operating end (224), which operating end (224) protrudes with respect to the pinch plate (222).

5. The cuvette suitable for one-handed operation according to claim 4, wherein the handling end (224) is a wedge-shaped structure that is outwardly warped with respect to the cap (21).

6. A cuvette suitable 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 with the elastic snap ring (223) through the pulling plate (221), and the eccentric rotation portion (222 a) rotationally stretches the elastic snap ring (223) through the pulling plate (221).

7. The test tube suitable for one-hand operation according to claim 1, wherein a limiting protrusion (12) spaced from the fixing snap ring (11) is formed on the outer side of the tube opening 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 the tube body (10) is formed with a stop boss (13) spaced from the fixing snap ring (11), the limit protrusion (12) is located between the fixing snap ring (11) and the stop boss (13), and the elastic snap ring (223) is clamped between the fixing snap ring (11) and the stop boss (13).

9. Test tube suitable for one-handed operation according to claim 1, characterized in that the bottom of the tube body (10) is conical or circular arc-shaped, and that the outside of the bottom of the tube body (10) is provided with a leg structure (14).

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