CN211337036U - DNA sample storage tube - Google Patents
DNA sample storage tube Download PDFInfo
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- CN211337036U CN211337036U CN201922279332.9U CN201922279332U CN211337036U CN 211337036 U CN211337036 U CN 211337036U CN 201922279332 U CN201922279332 U CN 201922279332U CN 211337036 U CN211337036 U CN 211337036U
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- dna sample
- storage tube
- sample storage
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Abstract
The utility model relates to a biochemical inspection technical field discloses a DNA sample storage tube, which comprises a pipe body, the diameter top-down of body reduces just gradually the top of body is equipped with the feed inlet, be equipped with the sealing plug on the feed inlet, the outside of sealing plug is equipped with loading system, the bottom of body is equipped with discharge mechanism, discharge mechanism includes the adapter sleeve, the connecting pin switch is rotated at the middle part of adapter sleeve, the bottom intercommunication of round pin switch has the discharging pipe. The utility model discloses set up discharge mechanism, when needing to take out the DNA sample, only need the rotating pin switch, make opening, body discharge gate, discharging pipe on same vertical line, just can take out the DNA sample, only need the rotating pin switch when sealing, accomplish promptly and seal, the simple operation to set up discharge mechanism alone and be convenient for the technical staff and draw the DNA sample, avoided the DNA sample to be contaminated, it is long when having prolonged the storage of DNA sample.
Description
Technical Field
The utility model relates to a biochemical inspection technical field especially relates to a DNA sample storage tube.
Background
The DNA sample storage tube is used for storing DNA samples, is generally in a tubular structure, is provided with a sealing structure to store the DNA samples in a sealing manner, can prolong the storage time of the DNA samples through the DNA sample storage tube, and is also beneficial to subsequent technicians to detect the DNA samples, thereby playing a vital role in the biochemical inspection technology.
Through retrieval, the Chinese patent No. CN209468455U discloses a DNA sample storage device, which comprises an outer pipe and an inner pipe, wherein the outer pipe is sleeved on the periphery of the inner pipe, and a space interval is arranged between the inner wall of the outer pipe and the outer wall of the inner pipe; the bottom of the pointed tail end of the outer pipe is provided with a lower filler; the pointed tail end of the inner tube is seated and abutted against the lower filler; an expansion edge integrated with the outer pipe is arranged on the periphery of the upper opening of the outer pipe, and a pipe cover is fixedly connected to one side of the expansion edge through a flexible connecting part; the inner wall of the top edge of the upper opening of the outer pipe and the outer wall of the top edge of the upper opening of the inner pipe are screwed through threads; a filling ring is arranged on the inner wall of the outer pipe below the thread, and an inner pipe top end sealing ring is arranged on the top edge of an upper opening pipe orifice of the inner pipe; the top edge of the opening pipe orifice of the outer pipe is provided with an outer pipe top end sealing ring; the flange is clamped in the clamping groove to fixedly clamp the pipe cover and the outer pipe.
The existing DNA sample storage tube has the following defects: the storage tube is provided with an opening, and technical staff all draws the DNA sample out from the opening through the pipettor when getting liquid, because mouth of pipe is big with external contact surface, makes the very easy pollution that causes the DNA sample in the storage tube of getting into of external bacterium like this, is difficult for depositing for a long time absorbing.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a DNA sample storage tube, the diameter top-down of body reduces in proper order, and the DNA sample of pouring in is at the bottom deposit of body, the liquid level of having guaranteed the DNA sample like this is minimum with the contact surface of air, and set up discharge mechanism and be convenient for technical staff and draw the DNA sample, it is polluted to have avoided the DNA sample, the long advantage of storage of DNA sample has been prolonged, it all only is provided with an opening to have solved current DNA sample storage tube, technical staff all is from the opening with DNA sample suction through the pipettor when getting liquid, because mouth of pipe is big with external contact surface, the problem of the pollution that causes the DNA sample in the storage tube very easily is being got into to external bacterium in the absorption like this.
According to the utility model discloses DNA sample storage pipe, including a pipe body, the diameter top-down of body reduces just gradually the top of body is equipped with the feed inlet, be equipped with the sealing plug on the feed inlet, the outside of sealing plug is equipped with loading system, the bottom of body is equipped with discharge mechanism, discharge mechanism includes the adapter sleeve, the connecting pin switch is rotated at the middle part of adapter sleeve, the bottom intercommunication of round pin switch has the discharging pipe.
Further, the middle part of round pin switch is provided with the opening, the opening sets up on same vertical line with body discharge gate, discharging pipe.
Furthermore, a sealing sleeve is sleeved on the outer wall of the pin switch and made of resin materials, and a connecting port is formed in the connecting position of the through port and the sealing sleeve.
Further, the pressurizing mechanism comprises a fixed block, the fixed block is arranged on the outer wall of one side of the upper portion of the pipe body, a rotating block is hinged to the middle of the fixed block, and a sliding groove is formed in the rotating block.
Furthermore, a limiting plate is arranged in the sliding groove, a telescopic rod is fixed at the top end of the limiting plate, and one end of the telescopic rod penetrates through the sliding groove and extends to the upper portion of the rotating block.
Further, the telescopic link outer wall in the sliding groove is sleeved with a spring, the bottom end of the spring is fixed on the limiting plate, and the other end of the spring is arranged on the inner wall of the groove opening of the sliding groove.
Furthermore, a pressurizing sleeve is fixed at the top end of the telescopic rod and sleeved on the upper part of the sealing plug.
Furthermore, a flange is arranged on the outer wall of the other side of the upper part of the pipe body, a clamping hook is clamped on the flange, and the top end of the clamping hook is connected with the pressurizing sleeve.
Furthermore, the lower part of the flange is provided with a clamping groove, the upper part of the clamping hook is provided with a clamping block, and the clamping block is matched with the clamping groove.
Further, the lower part of the sealing plug extends into the inner wall of the feeding hole of the pipe body, and the bottom end of the sealing plug is arranged to be groove-shaped.
Compared with the prior art, the utility model beneficial effect who has is:
1. the diameter of the tube body is reduced from top to bottom in sequence, and the filled DNA sample is deposited at the bottommost end of the tube body, so that the minimum contact surface between the liquid level of the DNA sample and air is ensured, the discharging mechanism is arranged, a liquid washing device is not needed for liquid taking, when the DNA sample needs to be taken out, the pin switch only needs to be rotated, the through hole, the tube body discharging hole and the discharging tube are on the same vertical line, the DNA sample can be taken out, when the tube body discharging hole is closed, the pin switch only needs to be rotated, closing is completed, the operation is convenient, and the discharging mechanism is independently arranged, so that technical personnel can conveniently extract the DNA sample, the DNA sample is prevented from being polluted, and the storage time of;
2. the pressure mechanism who sets up can exert external force on the sealing plug to guarantee the leakproofness of sealing plug and body, through the cooperation of flange and pothook, make the pressurization cover exert pressure to the sealing plug, and the limiting plate compresses the spring in the sliding tray, make the spring can produce the elasticity of pushing down, thereby guarantee that external force is to the effect of exerting of sealing plug, increase the leakproofness of body, it is long when having prolonged the storage of DNA sample.
Drawings
The accompanying drawings 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 and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a DNA sample storage tube according to the present invention;
FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;
FIG. 3 is a schematic view of the connection between the hook and the flange of the DNA sample storage tube according to the present invention;
FIG. 4 is a schematic structural diagram of a pin switch in a DNA sample storage tube according to the present invention.
In the figure: the device comprises a pipe body 1, a sealing plug 2, a pressurizing mechanism 3, a fixing block 4, a rotating block 5, a sliding groove 6, a telescopic rod 7, a limiting plate 8, a spring 9, a pressurizing sleeve 10, a clamping hook 11, a flange 12, a discharging mechanism 13, a connecting sleeve 14, a discharging pipe 15, a pin switch 16, a through opening 17 and a sealing sleeve 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-4, the preferred embodiment of the present invention is shown.
A DNA sample storage tube comprises a tube body 1, wherein the diameter of the tube body 1 is gradually reduced from top to bottom, a feed inlet is formed in the top end of the tube body 1, a technician can conveniently place a DNA sample at the feed inlet, a sealing plug 2 is arranged on the feed inlet, a pressurizing mechanism 3 is arranged on the outer side of the sealing plug 2, a discharge mechanism 13 is arranged at the bottom end of the tube body 1, the discharge mechanism 13 comprises a connecting sleeve 14, the middle part of the connecting sleeve 14 is rotatably connected with a pin switch 16, and a discharge tube 15 is communicated with the bottom end of the pin;
specifically, the pressure mechanism 3 that sets up can exert external force on the sealing plug 2 to guarantee the leakproofness of sealing plug 2 and body 1, discharge mechanism 13 can make the DNA sample flow from the lower part, need not to use the lotion ware to get the liquid.
In this embodiment, round pin switch 16's middle part is provided with opening 17, opening 17 and body discharge gate, discharging pipe 15 sets up on same vertical line, the outflow just can be realized to the DNA sample like this, round pin switch 16 rotates, make opening 17 and body discharge gate, discharging pipe 15 looks mistake realizes sealing promptly, and is easy and simple to handle, the cover is equipped with seal cover 18 on round pin switch 16's the outer wall, seal cover 18 adopts resin material to make, and all be provided with the connector in opening 17 and seal cover 18's junction, seal cover 18 can increase the inside sealed effect of adapter sleeve 14, can not take place the seepage when making round pin switch 16 rotate.
In this embodiment, the pressure mechanism 3 includes fixed block 4, and fixed block 4 sets up on body 1 upper portion one side outer wall, and the middle part of fixed block 4 articulates there is turning block 5, and the inside of turning block 5 is provided with sliding tray 6, and turning block 5 can realize rotatoryly on fixed block 4.
Specifically, be provided with limiting plate 8 in the sliding tray 6, limiting plate 8's top is fixed with telescopic link 7, and the one end of telescopic link 7 runs through sliding tray 6 and extends to the upper portion of turning block 5, and telescopic link 7 can not the roll-off sliding tray 6 under the limiting plate 8 effect when realizing flexible.
Specifically, the cover is equipped with spring 9 on the 7 outer walls of telescopic link in the sliding tray 6, and spring 9's bottom mounting is on limiting plate 8, and spring 9's the other end sets up on the notch inner wall of sliding tray 6, and spring 9 can provide the compression bounce when telescopic link 7 is constantly flexible to guarantee that limiting plate 8 has flexible effect.
Specifically, the top of telescopic link 7 is fixed with pressurization cover 10, and pressurization cover 10 cover is established on the upper portion of sealing plug 2, is provided with flange 12 on the opposite side outer wall on body 1 upper portion, and the joint has pothook 11 on flange 12, and the top of pothook 11 is connected with pressurization cover 10, and the lower part of flange 12 is provided with the draw-in groove, and the upper portion of pothook 11 is provided with the fixture block, fixture block and draw-in groove phase-match, when flange 12 and pothook 11 realize fixedly like this, pressurization cover 10 can provide the holding down force to sealing plug 2.
In this embodiment, the lower part of the sealing plug 2 extends into the inner wall of the feeding hole of the pipe body 1, the bottom end of the sealing plug 2 is arranged in a groove shape, the lower part of the sealing plug 2 is arranged in the pipe body 1, the sealing performance of the pipe body 1 is ensured, and the material used by the sealing plug 2 can be saved by arranging the bottom end of the sealing plug 2 in the groove shape.
When the technical scheme is used, a technician pours a DNA sample into the tube body 1 through the feeding hole, covers the sealing plug 2, sequentially reduces the diameter of the tube body 1 from top to bottom, and deposits the filled DNA sample at the bottom end of the tube body 1, so that the contact surface between the liquid level of the DNA sample and air is ensured to be minimum, the arranged pressurizing mechanism 3 can apply external force on the sealing plug 2, and the sealing performance of the sealing plug 2 and the tube body 1 is ensured;
through the discharge mechanism 13 that sets up during the ejection of compact, only need to rotate round pin switch 16 when needing to take out the DNA sample, make opening, body discharge gate, discharging pipe 15 on same vertical line, just can take out the DNA sample, only need rotate round pin 16 switches during the closure, accomplish promptly and seal, the simple operation to set up discharge mechanism 13 alone and be convenient for the technical staff and draw the DNA sample, avoided the DNA sample to be contaminated.
The details of the present invention are well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A DNA sample storage tube characterized in that: the pipe body is characterized by comprising a pipe body, the diameter of the pipe body is gradually reduced from top to bottom, a feed inlet is formed in the top end of the pipe body, a sealing plug is arranged on the feed inlet, a pressurizing mechanism is arranged on the outer side of the sealing plug, a discharging mechanism is arranged at the bottom end of the pipe body and comprises a connecting sleeve, a connecting pin switch is rotated in the middle of the connecting sleeve, and a discharging pipe is communicated with the bottom end of the pin switch.
2. The DNA sample storage tube of claim 1, wherein: the middle part of round pin switch is provided with the opening, the opening sets up on same vertical line with body discharge gate, discharging pipe.
3. The DNA sample storage tube according to claim 2, wherein: the outer wall of the pin switch is sleeved with a sealing sleeve, the sealing sleeve is made of resin materials, and connecting ports are formed in the connecting positions of the through ports and the sealing sleeve.
4. A DNA sample storage tube according to any one of claims 1 to 3, wherein: the pressurizing mechanism comprises a fixed block, the fixed block is arranged on the outer wall of one side of the upper portion of the pipe body, a rotating block is hinged to the middle of the fixed block, and a sliding groove is formed in the rotating block.
5. The DNA sample storage tube according to claim 4, wherein: a limiting plate is arranged in the sliding groove, a telescopic rod is fixed at the top end of the limiting plate, and one end of the telescopic rod penetrates through the sliding groove and extends to the upper portion of the rotating block.
6. The DNA sample storage tube according to claim 5, wherein: the telescopic link outer wall in the sliding tray is sleeved with a spring, the bottom end of the spring is fixed on the limiting plate, and the other end of the spring is arranged on the inner wall of the groove opening of the sliding tray.
7. The DNA sample storage tube according to claim 6, wherein: and a pressurizing sleeve is fixed at the top end of the telescopic rod and sleeved on the upper part of the sealing plug.
8. The DNA sample storage tube according to claim 7, wherein: and a flange is arranged on the outer wall of the other side of the upper part of the pipe body, a clamping hook is clamped on the flange, and the top end of the clamping hook is connected with the pressurizing sleeve.
9. The DNA sample storage tube according to claim 8, wherein: the lower part of the flange is provided with a clamping groove, the upper part of the clamping hook is provided with a clamping block, and the clamping block is matched with the clamping groove.
10. A DNA sample storage tube according to any one of claims 1 to 3, wherein: the lower part of the sealing plug extends into the inner wall of the feeding hole of the pipe body, and the bottom end of the sealing plug is arranged to be groove-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279332.9U CN211337036U (en) | 2019-12-16 | 2019-12-16 | DNA sample storage tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279332.9U CN211337036U (en) | 2019-12-16 | 2019-12-16 | DNA sample storage tube |
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| Publication Number | Publication Date |
|---|---|
| CN211337036U true CN211337036U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922279332.9U Active CN211337036U (en) | 2019-12-16 | 2019-12-16 | DNA sample storage tube |
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| CN (1) | CN211337036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272968A (en) * | 2021-12-10 | 2022-04-05 | 武汉佰起科技有限公司 | Liquid detection sample storage tube |
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2019
- 2019-12-16 CN CN201922279332.9U patent/CN211337036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272968A (en) * | 2021-12-10 | 2022-04-05 | 武汉佰起科技有限公司 | Liquid detection sample storage tube |
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