CN219429996U - Spiral cover assembly of sampling test tube and nucleic acid sampling device - Google Patents

Abstract

The utility model relates to a screw cap component of a sampling test tube and a nucleic acid sampling device, comprising: clamping unit, rotation unit and drive unit, drive unit includes: the test tube clamping device comprises a power source and a fixing piece, wherein a sliding rail is arranged on one surface of the fixing piece, a sliding block is connected onto the sliding rail in a sliding manner, the sliding block is connected with the clamping unit, the power source is arranged on the other surface of the fixing piece and is used for driving the sliding block to reciprocate on the sliding rail so that the clamping unit clamps or loosens a test tube cover; the rotating unit is fixedly connected with the power source and is used for driving the power source to rotate so as to drive the clamping unit to rotate the test tube cover. The utility model realizes the cover opening and closing of the cover of the sampling test tube, replaces the traditional mode of manually opening and closing the cover, and reduces the risk of infection caused by misoperation of operators.

Description

Spiral cover assembly of sampling test tube and nucleic acid sampling device

Technical Field

The utility model relates to the technical field of biological extraction, in particular to a screw cap assembly of a sampling test tube and a nucleic acid sampling device.

Background

At present, when sampling nucleic acid, sampling nucleic acid is manually carried out, then a test tube to be detected containing the nucleic acid sample is taken, the nucleic acid is sampled and detected after the cover of the test tube to be detected is unscrewed manually, and finally the result of detecting the nucleic acid is obtained. Because the whole nucleic acid sampling process is completed by manual operation, operators are required to manually complete the cover opening and closing of the sampling test tubes in the detection process, aerosol can be generated due to the pressure difference between the inside and outside of the test tubes during the cover opening, and if the operators directly use the handheld test tubes to open the cover, the risk of infection is increased, and meanwhile, the possibility of cross contamination among the test tubes is increased by the direct manual operation of the operators.

Disclosure of Invention

In order to solve the technical problem or at least partially solve the technical problem, the application provides a spiral cover assembly of sampling test tube and nucleic acid sampling device, aims at realizing the automatic uncapping and closing of sampling test tube, improves work efficiency.

In a first aspect, the present application provides a cap assembly for a sampling tube comprising: a clamping unit, a rotating unit and a driving unit,

the driving unit includes: the test tube clamping device comprises a power source and a fixing piece, wherein a sliding rail is arranged on one surface of the fixing piece, a sliding block is connected onto the sliding rail in a sliding manner, the sliding block is connected with the clamping unit, the power source is arranged on the other surface of the fixing piece and is used for driving the sliding block to reciprocate on the sliding rail so that the clamping unit clamps or loosens a test tube cover;

the rotating unit is fixedly connected with the power source and is used for driving the power source to rotate so as to drive the clamping unit to rotate the test tube cover.

Preferably, the clamping unit includes: left clamping jaw and right clamping jaw, the slider is provided with two, is first slider and second slider respectively, first slider with equal sliding connection of second slider is in on the slide rail, left clamping jaw with right clamping jaw respectively with first slider with second slider fixed connection, just the power supply drive first slider with the second slider is in slide on the slide rail.

Preferably, a first slot position and a second slot position are respectively formed on the left clamping jaw and the right clamping jaw, and a clamping opening for clamping the test tube cover is formed between the first slot position and the second slot position.

Preferably, the cross sections of the first groove position and the second groove position are circular arcs.

Preferably, the first slider and the second slider are provided with first mounting holes, and the left clamping jaw and the right clamping jaw are provided with second mounting holes matched with the first mounting holes.

Preferably, the left clamping jaw and the right clamping jaw are made of soft silica gel materials.

Preferably, the power source includes: the driving device comprises a driving motor, a gear, a first rack and a second rack, wherein the gear is connected to an output shaft of the driving motor, a first through hole and a second through hole which are perpendicular to each other are formed in a fixing piece, the first through hole and the second through hole are mutually communicated, the output shaft of the driving motor stretches into the first through hole, the first rack and the second rack are installed in the second through hole and are connected with the gear in a meshed mode, the first sliding block and the second sliding block are connected with the first rack and the second rack respectively, and the rotating unit is fixedly connected with the driving motor.

Preferably, the rotation unit includes: the rotary motor is arranged above the connecting plate, and an output shaft of the rotary motor is fixedly connected with the surface of the connecting plate.

Preferably, the cap assembly of the sampling tube further comprises: the fixed plate is fixedly connected to the side edge of the rotating motor, the guide block is arranged on the surface, away from the rotating motor, of the fixed plate, and a sliding groove used for connecting a lifting mechanism is formed in the guide block.

In a second aspect, the present application provides a nucleic acid sampling device comprising the cap assembly of the sampling tube of the first aspect.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

when the cap screwing assembly is driven to a position capable of clamping the test tube cap, the power source drives the sliding block to do reciprocating motion on the sliding rail, so that the clamping unit connected with the sliding block clamps the cap of the sampling test tube, and then the power source is driven to rotate through the rotating unit.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

In the accompanying drawings:

FIG. 1 is a schematic view of a cap assembly of a sampling tube of the present utility model;

FIG. 2 is a schematic diagram of the connection of the driving unit and the clamping unit in FIG. 1;

FIG. 3 is a schematic diagram of the drive unit of FIG. 1;

FIG. 4 is a schematic view of the first slider of FIG. 2;

FIG. 5 is a schematic diagram of the connection of the driving unit and the rotating unit in FIG. 1;

FIG. 6 is a schematic illustration of the attachment of the mounting plate and guide block of FIG. 1;

reference numerals: 1. a clamping unit; 101. a left clamping jaw; 102. a right clamping jaw; 103. a first slot; 104. a second slot; 2. a driving unit; 201. a power source; 2011. a driving motor; 2012. a gear; 2013. a first rack; 2014. a second rack; 202. a fixing member; 3. a rotating unit; 31. a rotating electric machine; 32. a connecting plate; 4. a fixing plate; 5. sampling test tubes; 6. a slide rail; 7. a first slider; 8. a second slider; 9. a second mounting hole; 10. a first through hole; 11. a second through hole; 12. a groove; 13. a first mounting hole; 14. a guide block; 15. a chute;

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "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, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present utility model and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. 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.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.

In combination with fig. 1 to 6, according to the first aspect of the present application, the present application provides a spiral cover subassembly of sample test tube 5, it needs to cooperate and remove subassembly and lifting unit and use, remove the area of placing sample test tube 5 with spiral cover subassembly through removing the subassembly, afterwards, rethread lifting unit drives spiral cover subassembly and goes up and down the motion towards the direction of sample test tube 5, the sample test tube 5 that the rethread spiral cover subassembly is treated detecting is uncapped and is closed the lid at last, the automation to the test tube is uncapped and is closed the lid, replace the tradition to adopt the manual work to uncap and close the mode of lid, the risk that the operator leads to the infection because misoperation has been reduced.

Specifically, referring to fig. 1 and 2, the cap assembly of the sampling tube 5 includes: a clamping unit 1, a rotating unit 3 and a driving unit 2,

wherein the driving unit 2 comprises: the test tube clamping device comprises a power source 201 and a fixing piece 202, wherein a sliding rail 6 is arranged on one surface of the fixing piece 202, a sliding block is connected to the sliding rail 6 in a sliding manner, the sliding block is connected with a clamping unit 1, the power source 201 is arranged on the other surface of the fixing piece 202 and is used for driving the sliding block to reciprocate on the sliding rail 6 so that the clamping unit 1 clamps or unclamps a test tube cover; the rotating unit 3 is fixedly connected with the power source 201 and is used for driving the power source 201 to rotate so as to drive the clamping unit 1 to rotate the test tube cover. It should be noted that, the surface of the fixing member 202 is provided with a groove 12, and the sliding rail 6 is fixed in the groove 12.

As can be seen from the above-described structure, when the cap screwing assembly is driven to a position capable of clamping the test tube cap, the power source 201 drives the slider to reciprocate on the slide rail 6, so that the clamping unit 1 connected with the slider clamps the cap of the sampling test tube 5, and then the power source 201 is driven to rotate by the rotating unit 3, since the fixing member 202 is connected with the power source 201, and the clamping unit 1 is slidably connected to the slide rail 6 of the fixing member 202, the clamping unit 1 is enabled to rotate in a following manner, thereby realizing cap opening and cap closing of the cap of the sampling test tube 5, replacing the conventional manual cap opening and cap closing manner, and reducing the risk of infection caused by misoperation of an operator.

In one embodiment, referring to fig. 2, the clamping unit 1 includes: the left clamping jaw 101 and the right clamping jaw 102 are correspondingly provided with two sliding blocks, namely a first sliding block 7 and a second sliding block 8, the first sliding block 7 and the second sliding block 8 are connected to the sliding rail 6 in a sliding mode, the left clamping jaw 101 and the right clamping jaw 102 are fixedly connected with the first sliding block 7 and the second sliding block 8 respectively, and the power source 201 drives the first sliding block 7 and the second sliding block 8 to slide on the sliding rail 6.

Specifically, a first slot 103 and a second slot 104 are respectively formed on the left clamping jaw 101 and the right clamping jaw 102, a clamping opening for clamping the test tube cover is formed between the first slot 103 and the second slot 104, and the cross sections of the first slot 103 and the second slot 104 are arc-shaped.

In this embodiment, the clamping unit 1 is formed by a left clamping jaw 101 and a right clamping jaw 102, and is respectively connected to the slide rail 6 in a sliding manner through a first sliding block 7 and a second sliding block 8, when the test tube cover needs to be clamped or unclamped, a force is applied to the fixing piece 202 through the power source 201, so that the first sliding block 7 and the second sliding block 8 are subjected to a transverse pushing force to drive the left clamping jaw 101 and the right clamping jaw 102 to slide, and the size of a clamping opening between the left clamping jaw 101 and the right clamping jaw 102 is changed, so that the clamping or unclamping of a sampling test is realized.

In one embodiment, referring to fig. 2 and 4, the first slider 7 and the second slider 8 are provided with a first mounting hole 13, and the left clamping jaw 101 and the right clamping jaw 102 are provided with a second mounting hole 9 matched with the first mounting hole 13. It should be noted that, the left clamping jaw 101 and the right clamping jaw 102 are respectively fixed on the first sliding block 7 and the second sliding block 8 through the corresponding first mounting hole 13 and the second mounting hole 9 by bolts, so that the subsequent replacement or maintenance of the clamping jaws is more convenient.

In one embodiment, to avoid damage to the sample tube 5 due to excessive clamping force when clamping the tube, the left and right jaws 101, 102 are each made of soft silicone.

In one embodiment, referring to fig. 2 and 3, the power source 201 includes: the driving motor 2011, the gear 2012, the first rack 2013 and the second rack 2014, the gear 2012 is connected to an output shaft of the driving motor 2011, a first through hole 10 and a second through hole 11 which are perpendicular to each other are formed in the fixing piece 202, the first through hole 10 and the second through hole 11 are mutually communicated, an output shaft of the driving motor 2011 stretches into the first through hole 10, the first rack 2013 and the second rack 2014 are installed in the second through hole 11 and are all in meshed connection with the gear 2012, the first sliding block 7 and the second sliding block 8 are connected with the first rack 2013 and the second rack 2014 respectively, and the rotating unit 3 is fixedly connected with the driving motor 2011.

In this embodiment, the output shaft of the driving motor 2011 extends into the first through hole 10, and is connected with the gear 2012 to be in meshed connection with the first rack 2013 and the second rack 2014 in the second through hole 11, when the sampling test tube 5 needs to be clamped or unclamped, the gear 2012 is driven by the driving motor 2011 to rotate, and the first rack 2012 and the second rack 2013 move in the second through hole 11 due to the meshed connection of the gear 2012 and the first rack 2013, and the first slider 7 and the second slider 8 are respectively connected with the first rack 2012 and the second rack 2013, so that the clamping jaw connected with the first slider 7 and the second slider 8 is driven to reciprocate to clamp the sampling test tube 5. The first slider 7 and the second slider 8 may be connected to the first rack 2013 and the second rack 2014, respectively, by extending the connection block into the second through hole 11 through the groove 12, or by connecting the connection block to the racks in other manners.

It should be noted that, the manner of the driving slider reciprocating on the slide rail 6 may be the manner described above, namely: the first rack 2013 and the second rack 2014 are driven to move in the second through hole 11 by driving the gear through the driving motor 2011, and the first slide block 7 and the second slide block 8 are respectively connected with the first rack 2013 and the second rack 2014, so that the left clamping jaw 101 and the right clamping jaw 102 connected with the first slide block 7 and the second slide block 8 are driven to reciprocate to clamp a sampling test tube.

In one embodiment, referring to fig. 5, the rotation unit 3 includes: the rotary motor 31 and the connecting plate 32, connecting plate 32 and driving motor 2011 fixed connection, rotary motor 31 set up in the top of connecting plate 32, and the output shaft of rotary motor 31 and the fixed surface connection of connecting plate 32.

When the lid of sampling test tube 5 is pressed from both sides tightly by left clamping jaw 101 and right clamping jaw 102, the output shaft of rotating electrical machines 31 rotates for rotate with connecting plate 32 fixed connection's driving motor 2011, thereby drive left clamping jaw 101 and right clamping jaw 102 and rotate, with the lid unscrew of sampling test tube 5, thereby the sample of treating the test tube of the convenience next step, when detecting the sample in the test tube, drive left clamping jaw 101 and right clamping jaw 102 counter-rotation, so that the lid is screwed back to the test tube and is closed the lid, and is simple in structure, convenient operation has realized automatic uncapping and closing the lid.

In one embodiment, referring to fig. 6, the cap assembly of the sampling tube 5 further comprises: the fixed plate 4 and the guide block 14, fixed plate 4 fixed connection is in the side of rotating electrical machines 31, and the guide block 14 sets up on the fixed plate 4 keeps away from rotating electrical machines 31's surface, and is equipped with the spout 15 that is used for connecting elevating system on the guide block 14. It should be noted that, through the side fixed connection fixed plate 4 at rotating electrical machines 31 to set up guide block 14 on fixed plate 4, carry out sliding connection with lifting unit through spout 15 on guide block 14, thereby realize the lifting movement to rotating lid subassembly, be convenient for follow-up automatic alignment to the lid of test tube.

According to a second aspect of the present application, the present application provides a nucleic acid sampling device, including the cap screwing assembly of the sampling tube of the first aspect, and the specific structure of the cap screwing assembly of the sampling tube refers to the above embodiments, and since the nucleic acid sampling device of the present embodiment adopts all the technical solutions of all the embodiments, at least has all the beneficial effects brought by the technical solutions of the embodiments, which are not described in detail herein.

It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. A screw cap assembly for a sampling test tube, comprising: a clamping unit, a rotating unit and a driving unit,

the driving unit includes: the test tube clamping device comprises a power source and a fixing piece, wherein a sliding rail is arranged on one surface of the fixing piece, a sliding block is connected onto the sliding rail in a sliding manner, the sliding block is connected with the clamping unit, the power source is arranged on the other surface of the fixing piece and is used for driving the sliding block to reciprocate on the sliding rail so that the clamping unit clamps or loosens a test tube cover;

the rotating unit is fixedly connected with the power source and is used for driving the power source to rotate so as to drive the clamping unit to rotate the test tube cover.

2. The cap assembly of the sampling tube according to claim 1, wherein the clamping unit comprises: a left clamping jaw and a right clamping jaw,

the sliding blocks are provided with two sliding blocks, namely a first sliding block and a second sliding block, the first sliding block and the second sliding block are both in sliding connection with the sliding rail, the left clamping jaw and the right clamping jaw are respectively fixedly connected with the first sliding block and the second sliding block, and the power source drives the first sliding block and the second sliding block to slide on the sliding rail.

3. The cap screwing assembly for a sampling test tube according to claim 2, wherein the left clamping jaw and the right clamping jaw are respectively provided with a first groove position and a second groove position, and a clamping opening for clamping a test tube cap is formed between the first groove position and the second groove position.

4. A cap assembly for a sampling tube according to claim 3, wherein the cross-section of each of the first and second slots is circular arc-shaped.

5. The cap assembly of claim 2, wherein the first slider and the second slider are each provided with a first mounting hole, and the left jaw and the right jaw are each provided with a second mounting hole that mates with the first mounting hole.

6. The cap assembly of the sampling tube of claim 5, wherein the left jaw and the right jaw are each made of soft silicone material.

7. The cap assembly of the sampling tube of claim 2, wherein the power source comprises: a driving motor, a gear, a first rack and a second rack,

the gear is connected to the output shaft of the driving motor, a first through hole and a second through hole which are perpendicular to each other are formed in the fixing piece, the first through hole and the second through hole are communicated with each other, the output shaft of the driving motor stretches into the first through hole, the first rack and the second rack are installed in the second through hole and are engaged with the gear to be connected, the first sliding block and the second sliding block are connected with the first rack and the second rack respectively, and the rotating unit is fixedly connected with the driving motor.

8. The cap assembly of the sampling tube of claim 7, wherein the rotation unit comprises: a rotating motor and a connecting plate,

the connecting plate is fixedly connected with the driving motor, the rotating motor is arranged above the connecting plate, and an output shaft of the rotating motor is fixedly connected with the surface of the connecting plate.

9. The cap assembly of the sampling tube of claim 8, further comprising: a fixing plate and a guide block,

the fixed plate is fixedly connected to the side edge of the rotating motor, the guide block is arranged on the surface, away from the rotating motor, of the fixed plate, and a sliding groove used for connecting a lifting mechanism is formed in the guide block.

10. A nucleic acid sampling device comprising a cap assembly of a sampling tube according to any one of claims 1 to 9.