CN220386597U - Sample tube, cover opening mechanism and cover opening device thereof - Google Patents

Abstract

The utility model discloses a sample tube, which comprises a tube body and a tube cover, wherein the tube cover can be plugged into a tube orifice of the tube body, a cover opening platform extending out of the tube body is arranged on the tube cover, and a pressing platform extending out of the tube cover is arranged on the tube body. The sample tube can avoid the problem that the preserving fluid in the tube is scattered due to the fact that the tube body of the sample tube is lifted and poured when the tube cover is opened. The utility model also discloses a cover opening mechanism and a cover opening device, which are used for carrying out cover opening operation on the sample tube.

Description

Sample tube, cover opening mechanism and cover opening device thereof

Technical Field

The utility model relates to a laboratory tool, in particular to a sample tube, a cover opening mechanism and a cover opening device thereof.

Background

In daily work of a biological laboratory, the biological laboratory is closely related to a sample tube, and the sample tube is not separated from the extraction of each experimental sample. And the test is carried out along with the opening and the buckling of the sample tube, and the bulge on the tube cover needs to be broken upwards during opening the cover, so that the cover of the sample tube is opened.

For example, chinese patent No. CN201921427629.9 discloses a quick snap-on device for centrifuge tube, including base and the apron of articulated on the base, be provided with a plurality of along the articulated axis direction of apron and arrange the hole, the lower extreme of centrifuging tube inserts and places the hole, the articulated shaft setting of apron is in one side of centrifuging tube, and the one side rigid coupling that is close to the centrifuging tube on the apron has elastic hook, and the arch of uncapping the end of uncapping on the tube lid sets up on elastic hook's orbit, elastic hook is provided with the inclined plane with the protruding adaptation on the tube lid near the side of tube lid, the articulated axis of apron is coaxial with the uncapping pivot of tube lid. According to the quick cover opening device for the centrifuge tube, the lower end of the centrifuge tube is inserted into the placing hole, the cover plate is hinged to the base, the tube cover can be pressed into the centrifuge tube when the cover plate rotates, so that the cover plate is covered onto the tube cover, the elastic hooks on the cover plate hook onto the lower end of the tube cover, the tube cover is fixed onto the cover plate, and the cover opening of the centrifuge tube can be realized through rotating the cover plate.

However, when the sample tube is uncapped, the tube cap receives an upward uncapping force, and the uncapping force can be transmitted to the tube body through an interaction force between the tube cap and the tube body, so that the tube body is lifted and toppled when uncapped, and finally, the problem that preservation liquid in the tube is spilled exists.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a sample tube, which can avoid the problem that preservation liquid in the tube is scattered due to the fact that a tube body of the sample tube is lifted and poured when a tube cover is opened.

The utility model also provides a cover opening mechanism and a cover opening device, which are used for carrying out cover opening operation on the sample tube.

The technical problems to be solved by the utility model are realized by the following technical scheme:

the utility model provides a sample tube, includes pipe shaft and tube cap, the tube cap can be plugged into in the mouth of pipe shaft, be equipped with on the tube cap and extend to the platform of uncapping outside the pipe shaft, be equipped with on the pipe shaft and extend to press the platform outside the tube cap.

Further, a fixing hole is formed in the tube cover of the sample tube.

Further, the pipe cover comprises a cover plate and a plugging part arranged on the lower surface of the cover plate, and the cover opening platform is formed by the protruding extension of the cover plate to the outside of the pipe body; a limiting platform is arranged outside the pipe orifice of the pipe body, and the pressing platform is formed by protruding and extending the limiting platform to the outside of the pipe cover; the plugging part is matched with the pipe orifice of the pipe body in size, and when the plugging part is plugged into the pipe orifice of the pipe body, the limiting platform is propped against the cover plate, so that the plugging part is prevented from being excessively plugged into the pipe body.

Further, an annular protrusion is formed on the peripheral wall of the plugging part, and the annular protrusion surrounds the central axis of the plugging part; an annular groove is formed on the inner wall of the pipe body, and the annular groove surrounds the central axis of the pipe body; when the plugging part is plugged into the pipe orifice of the pipe body, the annular protrusion is embedded into the annular groove, so that the pipe cover is prevented from falling off from the pipe body after plugging.

Further, one side of the pipe body is connected with one side of the pipe cover through a flexible belt.

The cover opening mechanism comprises a mechanism main body, a pressing head and a cover opening head, wherein the lower end of the mechanism main body is provided with a bottom surface and a side wall, and the side wall is perpendicular to the bottom surface; the pressing head is accommodated in the mechanism main body and can move up and down in the mechanism main body to retract and extend out of the bottom surface of the lower end of the mechanism main body, and the cover opening head is accommodated in the mechanism main body and can move horizontally in the mechanism main body to retract and extend out of the side wall of the lower end of the mechanism main body; the pressing head is connected with the mechanism main body through a first spring and stretches out of the bottom surface of the lower end of the mechanism main body under the action of the elastic force of the first spring; the cover opening head is connected with the mechanism main body through a second spring and extends out of the side wall of the lower end of the mechanism main body under the action of the elasticity of the second spring; the cover opening head is positioned below the pressing head.

Further, the cover opening head comprises an abutting part and a gradual change part which are connected, wherein the abutting part faces to one side of the pressing head, and the gradual change part is positioned at one side of the pressing head; the upper surface of the abutting part is an abutting surface, and the width of the gradual change part gradually decreases from top to bottom.

The uncapping device comprises a base and the uncapping mechanism, wherein the base can horizontally move, at least two pipe grooves are sequentially formed in the base along the moving direction of the base, and the pipe grooves are used for accommodating the pipe body of the sample pipe; the cover opening mechanism is positioned on the moving path of the base.

Further, the base is further provided with at least two cover grooves in sequence along the moving direction of the base, and the cover grooves are used for accommodating a tube cover of the sample tube; the cover groove is positioned above one side of the corresponding pipe groove, which is opposite to the cover opening mechanism.

Further, a fixing column is arranged in the cover groove, and when the pipe cover is accommodated in the cover groove, the fixing column is inserted into the fixing hole of the pipe cover.

The utility model has the following beneficial effects: the pipe body and the pipe cover of the sample pipe extend out of the pressing platform and the cover opening platform respectively, when the pipe cover is plugged into the pipe opening of the pipe body, the pressing platform on the pipe body is exposed out of the pipe cover and is not covered by the pipe cover, the cover opening platform on the pipe cover is exposed out of the pipe body and is not covered by the pipe body, when the cover is opened, the pressing platform on the pipe body is firstly pressed down, then the cover opening platform on the pipe cover is lifted up from down, so that the pipe cover is pulled out of the pipe opening of the pipe body, at the moment, even if the upward cover opening force received by the pipe cover is transmitted to the pipe body through the interaction force between the pipe cover and the pipe body, the pipe body is only pressed down by the pressing platform, the whole pipe is not lifted up due to the effect of the cover opening force, the cover opening device is not fallen off, and the preservation liquid in the pipe body cannot fall.

Drawings

Fig. 1 is a schematic perspective view of a 1.5ml sample tube provided by the utility model.

Fig. 2 is a schematic side view of a 1.5ml sample tube according to the present utility model after being capped.

Fig. 3 is a schematic top view of a 1.5ml sample tube according to the present utility model after being capped.

Fig. 4 is a schematic perspective view of a 2.0ml sample tube provided by the present utility model.

Fig. 5 is a schematic perspective view of the cover opening mechanism provided by the utility model.

Fig. 6 is a schematic cross-sectional view of the cover opening mechanism provided by the present utility model.

Fig. 7 is another schematic cross-sectional view of the cover opening mechanism provided by the present utility model.

Fig. 8 is a schematic diagram of a uncapping process of the uncapping mechanism provided by the present utility model.

Fig. 9 is a schematic perspective view of the cover opening device provided by the utility model.

Fig. 10 is a schematic perspective view of a base in the cover opening device provided by the utility model.

Detailed Description

The present utility model is described in detail below with reference to the drawings and the embodiments, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, or can be communicated between two elements or the interaction relationship between the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

As shown in fig. 1-4, a sample tube 100 includes a tube body 110 and a tube cover 120, wherein the tube cover 120 can be plugged into a tube orifice of the tube body 110, a cover opening platform 123 extending out of the tube body 110 is provided on the tube cover 120, and a pressing platform 112 extending out of the tube cover 120 is provided on the tube body 110.

When the tube cap 120 is plugged into the mouth of the tube body 110, the pressing platform 112 on the tube body 110 is exposed to the outside of the tube cap 120 and is not covered by the tube cap 120, and the cap opening platform 123 on the tube cap 120 is exposed to the outside of the tube body 110 and is not covered by the tube body 110, when the tube cap is opened, the pressing platform 112 on the tube body 110 is pressed down first and then the cap opening platform 123 on the tube cap 120 is lifted up from down to pull out the tube cap 120 from the mouth of the tube body 110, at this time, even if the upward cap opening force applied to the tube cap 120 is transmitted to the tube body 110 through the interaction force between the tube cap 120 and the tube body 110, the tube body 110 is not lifted up by the whole tube due to the downward pressing of the pressing platform 112, and is not dropped off from the cap opening device, and the preserving fluid in the tube body 110 cannot be spilled.

The sample tube 100 provided in this example has two dimensions, 1.5ml and 2.0 ml.

The cover plate 121 of the tube cover 120 is also provided with a fixing hole 125 for being matched and fixed with the fixing column in the base cover groove after the cover is opened.

The pipe cover 120 includes a cover plate 121 and a closing portion 122 disposed on a lower surface of the cover plate 121, and the cover opening platform 123 is formed by protruding and extending the cover plate 121 to the outside of the pipe body 110; a limiting platform 111 is arranged outside the pipe orifice of the pipe body 110, and the pressing platform 112 is formed by protruding and extending the limiting platform 111 to the outside of the pipe cover 120; the plugging portion 122 is adapted to the size of the pipe orifice of the pipe body 110, and when the plugging portion 122 is plugged into the pipe orifice of the pipe body 110, the limiting platform 111 abuts against the cover plate 121, so as to prevent the plugging portion 122 from being excessively plugged into the pipe body 110.

The outer peripheral wall of the plugging portion 122 is formed with an annular protrusion 124, and the annular protrusion 124 surrounds the central axis of the plugging portion 122; an annular groove 113 is formed on the inner wall of the pipe body 110, and the annular groove 113 surrounds the central axis of the pipe body 110; when the plugging portion 122 is plugged into the pipe orifice of the pipe body 110, the annular protrusion 124 is embedded into the annular groove 113, so as to prevent the pipe cover 120 from falling off from the pipe body 110 after plugging.

One side of the pipe body 110 is connected with one side of the pipe cover 120 through a flexible belt 130, so as to prevent the pipe cover 120 from being lost after the cover is opened.

Preferably, the flexible strips, the pipe body 110 and the pipe cover 120 are all in an integral structure, and the pipe body 110, the pipe cover 120 and the flexible belt 130 are all made of plastic materials and are integrally formed by adopting an injection molding process, or are integrally welded or welded after being respectively formed.

In this embodiment, the cover opening platform 123 is located on the other side of the tube cover 120 opposite to the flexible belt 130, and the number of the pressing platforms 112 is two, and the pressing platforms are respectively located on two sides of the tube body 110 adjacent to the cover opening platform 123.

Example two

As shown in fig. 5-7, an uncapping mechanism 200 for uncapping the sample tube 100 according to the first embodiment includes a mechanism body 210, a pressing head 220, and an uncapping head 230, wherein a bottom surface 211 and a side wall 212 are disposed at a lower end of the mechanism body 210, and the side wall 212 is perpendicular to the bottom surface 211; the pressing head 220 is accommodated in the mechanism main body 210, can move up and down in the mechanism main body 210 to retract and extend out of the lower end bottom surface 211 of the mechanism main body 210, and the cover opening head 230 is accommodated in the mechanism main body 210 and can move horizontally in the mechanism main body 210 to retract and extend out of the lower end side wall 212 of the mechanism main body 210; the pressing head 220 is connected with the mechanism main body 210 through a first spring 221, and extends out of the lower end bottom surface 211 of the mechanism main body 210 under the action of the elastic force of the first spring 221; the cover opening head 230 is connected with the mechanism main body 210 through a second spring 231, and extends out of the lower end side wall 212 of the mechanism main body 210 under the action of the elasticity of the second spring 231; the cover opening head 230 is located below the pressing head 220.

The lower end of the mechanism main body 210 of the cap opening mechanism 200 is provided with the pressing head 220 and the cap opening head 230, when the sample tube 100 is opened, the cap opening mechanism 200 is firstly placed above the sample tube 100, the pressing head 220 of the cap opening mechanism 200 is aligned with the pressing platform 112 of the sample tube 100, the cap opening head 230 of the cap opening mechanism 200 is aligned with the cap opening platform 123 of the sample tube 100, then the cap opening mechanism 200 is lowered, so that the pressing head 220 and the cap opening head 230 are synchronously lowered, as shown in fig. 8, during the lowering process, since the cap opening head 230 is positioned below the pressing head 220, the cap opening head 230 is firstly abutted against the cap opening platform 123 of the sample tube 100, and is horizontally moved under the action of the cap opening platform 123 to retract into the lower end side wall 212 of the mechanism main body 210, after the cap opening head 230 is lowered below the cap opening platform 123, the cap opening head 230 is extended under the cap opening platform 123 by the elastic force of the second spring 231, and at this time, the pressing head 220 is pressed against the pressing platform 112 of the sample tube 100, and is lifted and moved to retract into the lower end bottom surface 211 of the mechanism body 210 by the pressing platform 112, and then the cap opening mechanism 200 is lifted, so that the pressing head 220 and the cap opening head 230 are simultaneously lifted, and during the lifting, the cap opening head 230 is pressed against the cap opening platform 123 from below and applies an upward cap opening force to the tube cap 120, and at this time, the pressing head 220 is pressed against the pressing platform 112 by the elastic force of the first spring 221, applies a downward pressing force to the tube body 110 to cancel the upward cap opening force, so that the tube body 110 of the sample tube 100 is not lifted by the upward cap opening force during the lifting, finally, the cap opening head 230 pulls the pipe cap 120 out of the pipe body 110.

When in use, the mechanism main body 210 can be used as a handle for a laboratory staff to hold to open the cover of the sample tube 100 manually, and the mechanism main body 210 can also be used as a connecting part to connect with a lifting driving mechanism so as to open the cover of the sample tube 100 automatically under the driving of the lifting driving mechanism.

The cover opening head 230 includes an abutting portion and a gradual change portion, wherein the abutting portion is located at a side facing the pressing head 220, and the gradual change portion is located at a side facing away from the pressing head 220; the upper surface of the abutting part is an abutting surface, and the width of the gradual change part gradually decreases from top to bottom.

In this embodiment, two pressing heads 220 and corresponding first springs 221 are provided, and two pressing heads 220 are in one-to-one correspondence with two pressing platforms 112 on the pipe body 110.

Example III

As shown in fig. 9, an uncapping device includes a base 300 and an uncapping mechanism 200 according to the second embodiment, where the base 300 is horizontally movable, and at least two tube slots 301 are sequentially disposed on the base 300 along a moving direction of the base, and the tube slots 301 are used for accommodating a tube body 110 of the sample tube 100; the cover opening mechanism 200 is located on the moving path of the base 300.

The uncapping device sequentially sends the plurality of sample tubes 100 on the base 300 to the uncapping mechanism 200 for uncapping operation by moving the base 300.

When in use, the base 300 can be arranged on a moving mechanism, and the moving mechanism drives the base 300 to move horizontally.

As shown in fig. 10, the base 300 is further provided with at least two cover slots 302 in sequence along the moving direction thereof, and the cover slots 302 are used for accommodating the tube covers 120 of the sample tubes 100; the cover groove 302 is located above the side of the corresponding pipe groove 301 facing away from the cover opening mechanism 200.

When the sample tube 100 accommodated in the tube groove 301 is opened by the cap opening mechanism 200, the tube cap 120 of the sample tube 100 is accommodated in the corresponding cap groove 302.

Preferably, the notch of the cover groove 302 is perpendicular to the notch of the pipe groove 301.

The cover groove 302 is internally provided with a fixing column 303, the tube cover 120 of the sample tube 100 is internally provided with a fixing hole 125, and when the tube cover 120 is accommodated in the cover groove 302, the fixing column 303 is inserted into the fixing hole 125 so as to fix the tube cover 120 in the cover groove 302.

Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the embodiments of the present utility model and are not intended to limit the embodiments of the present utility model, and although the embodiments of the present utility model have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the embodiments of the present utility model may be modified or replaced with the same, and the modified or replaced technical solution may not deviate from the scope of the technical solution of the embodiments of the present utility model.

Claims (10)

1. The cover opening mechanism is characterized by comprising a mechanism main body, a pressing head and a cover opening head, wherein the lower end of the mechanism main body is provided with a bottom surface and a side wall, and the side wall is perpendicular to the bottom surface; the pressing head is accommodated in the mechanism main body and can move up and down in the mechanism main body to retract and extend out of the bottom surface of the lower end of the mechanism main body, and the cover opening head is accommodated in the mechanism main body and can move horizontally in the mechanism main body to retract and extend out of the side wall of the lower end of the mechanism main body; the pressing head is connected with the mechanism main body through a first spring and stretches out of the bottom surface of the lower end of the mechanism main body under the action of the elastic force of the first spring; the cover opening head is connected with the mechanism main body through a second spring and extends out of the side wall of the lower end of the mechanism main body under the action of the elasticity of the second spring; the cover opening head is positioned below the pressing head.

2. The door mechanism of claim 1, wherein the door head includes an abutment portion and a gradual portion connected, the abutment portion being on a side facing the press head, the gradual portion being on a side facing away from the press head; the upper surface of the abutting part is an abutting surface, and the width of the gradual change part gradually decreases from top to bottom.

3. A sample tube for the mechanism of uncapping of claim 1, including pipe shaft and tube cap, the tube cap can be plugged into in the mouth of pipe shaft, be equipped with on the tube cap and extend to the platform of uncapping outside the pipe shaft, its characterized in that is equipped with on the pipe shaft and extends to the platform of pressing outside the tube cap.

4. A sample tube according to claim 3, wherein a fixing hole is provided in the tube cap of the sample tube.

5. The sample tube according to claim 3, wherein the tube cover comprises a cover plate and a plugging part arranged on the lower surface of the cover plate, and the cover opening platform is formed by the protruding extension of the cover plate to the outside of the tube body; a limiting platform is arranged outside the pipe orifice of the pipe body, and the pressing platform is formed by protruding and extending the limiting platform to the outside of the pipe cover; the plugging part is matched with the pipe orifice of the pipe body in size, and when the plugging part is plugged into the pipe orifice of the pipe body, the limiting platform is propped against the cover plate, so that the plugging part is prevented from being excessively plugged into the pipe body.

6. The sample tube according to claim 5, wherein the outer peripheral wall of the stopper portion is formed with an annular protrusion surrounding the central axis of the stopper portion; an annular groove is formed on the inner wall of the pipe body, and the annular groove surrounds the central axis of the pipe body; when the plugging part is plugged into the pipe orifice of the pipe body, the annular protrusion is embedded into the annular groove, so that the pipe cover is prevented from falling off from the pipe body after plugging.

7. A sample tube according to claim 3, wherein one side of the tube body is connected to one side of the tube cover by a flexible band.

8. The uncapping device is characterized by comprising a base and the uncapping mechanism disclosed in claim 1 or 2, wherein the base can horizontally move, and at least two pipe grooves are sequentially formed in the base along the moving direction of the base, and the pipe grooves are used for accommodating pipe bodies of sample pipes; the cover opening mechanism is positioned on the moving path of the base.

9. The uncapping apparatus of claim 8, wherein the base further comprises at least two cover slots arranged in sequence along a moving direction thereof, the cover slots for receiving a tube cover of the sample tube; the cover groove is positioned above one side of the corresponding pipe groove, which is opposite to the cover opening mechanism.

10. The door opening device of claim 9, wherein the cover slot has a securing post disposed therein that is inserted into a securing hole of the pipe cover when the pipe cover is received in the cover slot.