CN218872254U

CN218872254U - Test tube suitable for single-hand operation

Info

Publication number: CN218872254U
Application number: CN202222795766.6U
Authority: CN
Inventors: 刘丰瑞; 何艳玲
Original assignee: Beijing Luqiao Technology Co ltd
Current assignee: Beijing Luqiao Technology Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-04-18
Anticipated expiration: 2032-10-21

Abstract

The utility model provides a test tube that is fit for one-hand operation. This test tube includes the body and sets up the test tube lid on the body, and the test tube lid has seted up operation window including lid and the snap ring of installing in the lid on the lid, and operation window is used for the operation to press snap ring so that snap ring deformation. The top in the cover body is provided with a sealing part for sealing the pipe orifice of the pipe body, and a fixing clamping ring matched with the elastic clamping ring is formed on the outer side of the pipe orifice of the pipe body. Under conventional state, the elastic clamping ring is matched with the fixed clamping ring to limit the cover body on the pipe orifice, and the sealing part is used for plugging the pipe orifice. Under the state of pressing, the elasticity snap ring deformation makes elasticity snap ring deviate from for fixed snap ring, lets the test tube lid can separate for the body. The technical scheme of the utility model can let operating personnel just can realize the complete separation of body and test tube cover through one-hand operation, let the mouth of pipe of body fully open to be convenient for operating personnel carries out other experimental operation.

Description

Test tube suitable for single-hand operation

Technical Field

The utility model relates to an experimental facilities technical field particularly, relates to a test tube that is fit for one-hand operation.

Background

In the test process, often meet and need a hand to hold the case of utensil lid test tube, the other hand is holding the condition of burette or other test apparatus liquid additions, this process operation is very inconvenient, often appears the test tube lid and can not open or drop, if open the test tube lid earlier, absorb liquid addition again, to some microorganism tests, then can be because of the too long pollution that easily causes the environmental bacteria of the open time of mouth of pipe to reduce test efficiency.

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.

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, a tube cover of the test tube is composed of a base and an elastic cover, the elastic cover is connected with the base through a buckle, and the elastic 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 abundant opening of test tube mouth, 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 increased again.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a test tube that is fit for one-hand operation to the test tube of one-hand operation has increased the technical problem of experimental facilities operation difficulties such as pipette in solving prior art.

In order to achieve the purpose, the utility model 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 an elastic snap ring arranged in the cover body, an operation window is arranged on the cover body and is used for pressing the elastic snap ring to deform the elastic snap ring, a sealing part for sealing the orifice of the tube body is arranged at the top in the cover body, and a fixed snap ring matched with the elastic snap ring is formed at the outer side of the orifice of the tube body; under the conventional state, the elastic clamping ring is matched with the fixed clamping ring to limit the cover body on the pipe orifice, so that the sealing part blocks the pipe orifice; under the state of pressing, the elastic clamping ring is deformed so that the elastic clamping ring can be separated from the fixed clamping ring, and the test tube cover can be separated from the tube body.

In one embodiment, the snap ring is formed with a pressing operation portion corresponding to the operation window.

In one embodiment, the shape of the pressing operation part corresponds to the shape of the operation window, the pressing operation part is embedded into the operation window, and the elastic clamping ring is supported in the cover body and is installed on the cover body through the matching of the pressing operation part and the operation window.

In one embodiment, the inner side of the cover body and the outer side of the elastic snap ring are matched and limited through a limiting component.

In one embodiment, the stopper member includes a stopper groove formed inside the cover and a stopper protrusion formed outside the pressing operation portion, or the stopper member includes a stopper protrusion formed inside the cover and a stopper groove formed outside the pressing operation portion.

In one embodiment, the operation window is a circular window opened in the cover, and the pressing operation portion is a circular projection adapted to the shape of the operation window.

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 tube body is conical or circular arc-shaped, and the outside of the bottom of the tube body is provided with a cylindrical leg.

In one embodiment, the bottom of the circlip forms a flared structure for guiding the orifice of the catheter body through the circlip.

Use the technical scheme of the utility model, when needs lock test-tube cap, operating personnel can hold the body by the one hand, the thumb presses the snap ring through operating window, let snap ring be in under the state of pressing, let snap ring cover whole lid on the mouth of pipe through fixed snap ring from the top, later stop pressing the snap ring, snap ring resumes under the conventional state, the lid is spacing on the mouth of pipe through its inside snap ring and fixed snap ring's cooperation, the internal sealing shutoff of lid this moment is on the mouth of pipe, the realization is sealed to the orificial. When the test tube cover needs to be opened, an operator can hold the tube body with a single hand, the thumb presses the elastic clamping ring through the operation window, the elastic clamping ring is in a pressing state, the elastic clamping ring deforms and can be separated from the fixed clamping ring, and therefore the cover body can be separated from the tube body. Therefore, the technical scheme of the utility model can let operating personnel just can realize the complete separation of body and test tube cover through one-hand operation, let the mouth of pipe of body fully open to be convenient for operating personnel carries out other experimental operation.

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

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:

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

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; 211. operating a window; 212. a sealing part; 22. an elastic snap ring; 221. the operation part is pressed.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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 of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts 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 exemplary 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 shows an embodiment of the test tube suitable for one-handed operation according to the present invention, the test tube suitable for one-handed operation includes a tube body 10 and a test tube cover 20 disposed on the tube body 10, the test tube cover 20 includes a cover body 21 and an elastic clamping ring 22 mounted in the cover body 21, an operation window 211 is opened on the cover body 21, and the operation window 211 is used for operating and pressing the elastic clamping ring 22 to deform the elastic clamping ring 22. The top of the cover 21 is provided with a sealing part 212 for sealing the opening of the tube 10, and a fixing snap ring 11 adapted to the elastic snap ring 22 is formed on the outer side of the opening of the tube 10. Under normal conditions, the elastic snap ring 22 cooperates with the fixed snap ring 11 to limit the cover body 21 on the nozzle, so that the sealing portion 212 seals the nozzle. In the pressed state, the elastic snap ring 22 deforms so that the elastic snap ring 22 can be disengaged from the fixed snap ring 11, and the test tube cap 20 can be separated from the tube body 10.

Use the technical scheme of the utility model, when needs lock test tube lid, operating personnel can hold the body by the one hand, the thumb presses circlip 22 through operation window 211, let circlip 22 be in under the state of pressing, let circlip 22 can cover whole lid 21 on the mouth of pipe through fixing clip ring 11 from the top, later stop pressing circlip 22, circlip 22 resumes under the conventional state, lid 21 is spacing on the mouth of pipe through its inside circlip 22 and fixing clip ring 11's cooperation, the sealing 212 shutoff in the lid 21 this moment is on the mouth of pipe, the realization is sealed to the orificial. When the test tube cover needs to be opened, an operator can hold the tube body with a single hand, the thumb presses the elastic clamping ring 22 through the operation window 211, the elastic clamping ring 22 is in a pressing state, the elastic clamping ring 22 deforms and 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 utility model can let operating personnel just can realize the complete separation of body 10 and test tube cover 20 through one-hand operation, let the mouth of pipe of body 10 fully open to be convenient for operating personnel carries out other experimental operation.

As shown in fig. 1, in the solution of the present embodiment, the elastic snap ring 22 is formed with a pressing operation portion 221, and the pressing operation portion 221 corresponds to the operation window 211, so that the thumb of the operator can operate the pressing operation portion 221 through the operation window 211.

In the solution of the present embodiment, in order to simplify the manner of attaching the snap ring 22 and the cover 21, the shape of the pressing operation portion 221 corresponds to the shape of the operation window 211, the pressing operation portion 221 is embedded in the operation window 211, and the snap ring 22 is supported in the cover 21 and is attached to the cover 21 by the engagement of the pressing operation portion 221 and the operation window 211. Therefore, in the technical solution of the present embodiment, the operation window 211 not only has a function of operating in cooperation with fingers, but also has a function of mounting and clamping the snap ring 22.

More preferably, in the solution of the present embodiment, the inner side of the cover 21 and the outer side of the snap ring 22 are further engaged and limited by a limiting member. The limiting component can play a role in assisting limiting on the elastic snap ring 22, so that the elastic snap ring 22 is matched with the cover body 21 more tightly after being installed, and the movement of the elastic snap ring 22 relative to the cover body 21 is reduced.

As an alternative implementation manner, in the solution of the present embodiment, the limiting member includes a limiting groove formed inside the cover body 21 and a limiting protrusion formed outside the pressing operation part 221. As another alternative embodiment, the stopper member includes a stopper protrusion formed inside the cover body 21 and a stopper groove formed outside the pressing operation part 221.

As shown in fig. 1, in the present embodiment, the operation window 211 is a circular window formed in the cover 21, and the pressing operation portion 221 is a circular projection adapted to the shape of the operation window 211. As another alternative embodiment, the shape of the operation window 211 may be other shapes, and the shape of the pressing operation portion may be adapted to the shape of the operation window 211, that is, the pressing operation portion 221 and the operation window 211 may be mounted in a card.

In a more preferred embodiment, in order to make the cover 21 more stably attached to the pipe 10, a position-limiting protrusion 12 is formed on the outer side of the pipe opening of the pipe 10 at a distance from the fixing clip 11, and the elastic clip 22 is limited by the position-limiting protrusion 12. When the test tube cap is used, the lower half part of the elastic snap ring 22 is clamped on the limiting protrusion 12, and is limited by the limiting protrusion 12, so that the test tube cap 20 is prevented from loosening.

As a preferred embodiment, the pipe body 10 is formed with a stopping boss 13 spaced from the fixing snap ring 11, the limiting protrusion 12 is located between the fixing snap ring 11 and the stopping boss 13, and the elastic snap ring 22 is clamped between the fixing snap ring 11 and the stopping boss 13. Elasticity snap ring 22 is through spacing protruding 12 spacing 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 also be prismatic.

More preferably, in the solution of the present embodiment, the bottom of the elastic snap ring 22 forms a flaring structure, and the flaring structure is used for guiding the nozzle of the catheter body 10 through the elastic snap ring 22. Based on this embodiment, when needs lock test-tube cover, operating personnel can the one hand hold the body, and operating personnel need not let snap ring 22 be in under the state of pressing, just can let the mouth of pipe of body 10 pass snap ring 22, avoids the mouth of pipe of body 10 to be held by snap ring 22.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. 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 one 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 merely illustrative, and not 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 … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown 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 term "above … …" may include both orientations of "above … …" and "below … …". 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 should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted 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

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 an elastic clamping ring (22) installed in the cover body (21), an operation window (211) is formed in the cover body (21), the operation window (211) is used for operating and pressing the elastic clamping ring (22) to enable the elastic clamping ring (22) to deform, a sealing part (212) for sealing a tube opening of the tube body (10) is arranged at the top in the cover body (21), and a fixing clamping ring (11) matched with the elastic clamping ring (22) is formed on the outer side of the tube opening of the tube body (10);

under a normal state, the elastic clamping ring (22) is matched with the fixed clamping ring (11) to limit the cover body (21) on the pipe orifice, and the sealing part (212) blocks the pipe orifice;

under the pressing state, the elastic clamping ring (22) deforms to enable the elastic clamping ring (22) to be separated relative to the fixed clamping ring (11), and the test tube cover (20) can be separated relative to the tube body (10).

2. The cuvette suitable for one-handed operation according to claim 1, wherein the snap ring (22) is formed with a pressing operation portion (221), and the pressing operation portion (221) corresponds to the operation window (211).

3. The cuvette suitable for one-handed operation according to claim 2, wherein the shape of the pressing operation part (221) corresponds to the shape of the operation window (211), the pressing operation part (221) is embedded in the operation window (211), and the elastic snap ring (22) is supported in the cover body (21) and is mounted on the cover body (21) by the cooperation of the pressing operation part (221) and the operation window (211).

4. A test tube adapted to be operated by one hand according to claim 3, wherein the inner side of the cap body (21) and the outer side of the elastic snap ring (22) are further limited by a limiting component in a matching way.

5. The test tube adapted to be operated by one hand according to claim 4, wherein the stopper member includes a stopper groove formed inside the cap body (21) and a stopper protrusion formed outside the pressing operation portion (221), or the stopper member includes a stopper protrusion formed inside the cap body (21) and a stopper groove formed outside the pressing operation portion (221).

6. A cuvette suitable for one-handed operation according to claim 3, wherein the operation window (211) is a circular window opened on the cover (21), and the pressing operation part (221) is a circular protrusion adapted to the shape of the operation window (211).

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 (22) 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 fixing snap ring (11) is formed on the tube body (10), the limiting protrusion (12) is located between the fixing snap ring (11) and the stop boss (13), and the elastic snap ring (22) 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).

10. Test tube suitable for one-handed operation according to claim 1, characterized in that the bottom of the snap ring (22) forms a flaring structure for guiding the spout of the tube body (10) through the snap ring (22).