CN112592817A

CN112592817A - Nucleic acid detection device

Info

Publication number: CN112592817A
Application number: CN202110130228.2A
Authority: CN
Inventors: 陆国强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-04-02

Abstract

The invention relates to the field of nucleic acid detection, in particular to a nucleic acid detection device which comprises a base, wherein four corners of the lower end of the base are fixedly connected with support legs, a driving mechanism is arranged on the first side in the base, a protective shell is fixedly connected to the upper end of the base, a rotating mechanism is arranged in the middle of the protective shell and connected with the driving mechanism, side plates are fixedly connected to inner walls of two sides of the lower end of the protective shell, the upper ends of the side plates are jointly and fixedly connected with a bottom plate, a plurality of groups of thread grooves are formed in the upper end of the bottom plate from inside to outside, the thread grooves in each group are annularly distributed on the bottom plate, and a. The invention is a device for storing test tubes, the test tubes are respectively placed in different through holes on a protective shell when in use, the whole device is of a square structure, the bottom of the device is stable, and when a workbench is impacted, the device can still be stably placed on the workbench, so that part of the test tubes can be prevented from being damaged.

Description

Nucleic acid detection device

Technical Field

The invention relates to the field of nucleic acid detection, in particular to a nucleic acid detection device.

Background

The substance for nucleic acid detection is a nucleic acid of a virus. The nucleic acid detection is to find out whether the respiratory tract specimen, blood or feces of a patient have nucleic acid of the externally invaded virus to determine whether the patient is infected by the new coronavirus, and the detection needs to be carried out by sampling by using a test tube and then storing the test tube by using a storage device.

At present staff when depositing the test tube that is equipped with the sample, it is direct to put the test tube on the test-tube rack mostly, because that test tube rack place test tube quantity limited, can place a plurality of test-tube racks on the workstation usually, when rocking appears in the desktop of placing, the phenomenon of empting appears easily in the test-tube rack that is located the outside, make the test tube placed on it and the mesa of workstation bump and appear damaging, because the outside of test-tube rack does not set up protective structure mostly, make the test tube very easily receive the striking, there is the potential safety hazard, because the shape size of test tube is all the same, and the label of doing is mostly pasted on the pipe wall of test tube, be difficult for observing, make and need seek one by one when taking, it is comparatively troublesome.

Disclosure of Invention

In order to solve the problems of the prior art, the present invention provides a nucleic acid detecting apparatus.

The technical scheme adopted by the invention for solving the technical problems is as follows: a nucleic acid detection device comprises a base, wherein four corners of the lower end of the base are fixedly connected with support legs, a driving mechanism is installed on the first side in the base, a protective shell is fixedly connected to the upper end of the base, a rotating mechanism is installed in the middle of the protective shell, the rotating mechanism is connected with the driving mechanism, side plates are fixedly connected to the inner walls of the two sides of the lower end of the protective shell, a bottom plate is fixedly connected to the upper ends of the side plates, a plurality of groups of thread grooves are formed in the upper end of the bottom plate from inside to outside, each group of the thread grooves are annularly distributed on the bottom plate, a middle plate is fixedly connected to the inner wall of the middle of the protective shell, a plurality of groups of through holes are formed in the side wall of the upper end of the protective shell from inside to outside, the number of the through holes is the same as that, the middle part of test tube box all runs through and sliding connection on the medium plate, the equal fixedly connected with screw thread branch of lower extreme of test tube box, the equal threaded connection of screw thread branch is inside the thread groove that the test tube box at place corresponds, all install stop gear on the upper end both sides outer wall of protective housing, stop gear all is connected with slewing mechanism, install indicating mechanism on one side inner wall of protective housing, indicating mechanism is connected through drive mechanism and actuating mechanism, fixedly connected with collar on one side outer wall of protective housing, the inside threaded connection of collar has the snap ring, one side border department that the protective housing was kept away from to the snap ring has seted up the scale mark.

Specifically, actuating mechanism includes the dead lever, all establish and fixedly connected with mounting panel through the fourth bearing housing on the both ends circumference outer wall of dead lever, the equal fixed connection of mounting panel is on the inner wall of base, the dead lever is close to the one end fixedly connected with fourth bevel gear at base middle part, the one end fixedly connected with fifth bevel gear at base middle part is kept away from to the dead lever, one side middle part fixedly connected with connecting rod of dead lever is kept away from to fifth bevel gear, the one end that fifth bevel gear was kept away from to the connecting rod runs through just fixed connection on one side lateral wall of base through fixing bearing, the one end fixedly connected with carousel of fifth bevel gear is kept away from to the connecting rod, one side upper end fixedly connected with rocker.

Specifically, the rotating mechanism comprises a rotating rod, the middle part of the rotating rod penetrates through and is connected with the middle plate and the bottom plate in a sliding manner, the lower end of the rotating rod penetrates through and is fixedly connected with the lower end side wall of the protective shell through a first bearing, the lower end of the rotating rod is fixedly connected with a first bevel gear, the first bevel gear is connected with a fourth bevel gear of the driving mechanism in a meshing manner, the upper end of the rotating rod penetrates through and is fixedly connected with the upper end side wall of the protective shell through a second bearing, the upper end of the rotating rod is fixedly connected with a baffle disc, the lower end of the baffle disc is provided with a plurality of arc-shaped grooves from inside to outside, the arc-shaped grooves are positioned on the same central line, the number of the arc-shaped grooves is the same as that of the thread grooves and corresponds to one another, the front of the baffle disc is provided with a notch which is of a fan, the spout is the arc structure and is located same centre of a circle line with the fender dish.

Specifically, stop gear all includes the riser, the equal fixed connection of riser is in the upper end of protective housing, the equal fixedly connected with diaphragm in one side upper end that the riser is close to the protective housing middle part, the slot rolling has all been seted up to the lower extreme of diaphragm, the equal sliding connection in inside of slot rolling has the ball, the lower extreme of ball all stands out the place slot rolling and sliding connection is inside slewing mechanism's spout.

Specifically, drive mechanism includes the transfer line, the lower extreme of transfer line runs through and fixed connection on the lower extreme lateral wall of protective housing through fixing bearing, the lower extreme fixedly connected with second bevel gear of transfer line, second bevel gear and actuating mechanism's fifth bevel gear meshing connection, establish and fixedly connected with steadying plate through the third bearing housing on the upper end circumference outer wall of transfer line, steadying plate fixed connection is on one side inner wall of protective housing, the upper end fixedly connected with third bevel gear of transfer line.

Specifically, indicating mechanism includes the king-rod, the king-rod runs through and fixed connection is on the partial protective housing lateral wall at collar middle part through the fifth bearing, the king-rod is located the inside one end fixedly connected with sixth bevel gear of protective housing, sixth bevel gear and drive mechanism's third bevel gear meshing is connected, the king-rod is located the outside one end fixedly connected with fixed disk of protective housing, the conflict is connected with the pointer on the upper end circumference outer wall of fixed disk, the lower extreme fixedly connected with inserted bar of pointer, the inserted bar is pegged graft in the upper end circumference outer wall of fixed disk.

Specifically, the middle part of the upper end of the baffle disc is fixedly connected with a pull rod, and the upper end of the pull rod is fixedly connected with a pull disc.

Specifically, the snap ring is far away from the mounting ring of all outstanding in one side of protective housing, the snap ring is located a plurality of branches of equidistant fixedly connected with on the outside partial circumference outer wall of mounting ring.

The invention has the beneficial effects that:

(1) the invention is a device for storing test tubes, the test tubes are respectively placed in different through holes on a protective shell when in use, the whole device is of a square structure, the bottom of the device is stable, and when a workbench is impacted, the device can still be stably placed on the workbench, so that part of the test tubes can be prevented from being damaged.

(2) The rotating mechanism and the indicating mechanism are arranged in the protective shell, the rotating mechanism is connected with the driving mechanism, the indicating mechanism is connected with the driving mechanism through the transmission mechanism, when a desired test tube is taken, only the blocking disc of the rotating mechanism needs to be driven to rotate, and meanwhile, the scale mark pointed by the pointer of the indicating mechanism is observed, so that the desired test tube is taken without being searched one by one, and the test tube taking device is convenient.

(3) When the test tube storage device is impacted by external force, the acting force generated during impact only acts on the protective shell and the blocking disc and does not act on the test tube, so that the test tube is prevented from being damaged due to impact of the external force.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a cutaway view of the present invention;

FIG. 2 is a view of the area A in FIG. 1;

FIG. 3 is a view of the area B in FIG. 1;

FIG. 4 is a schematic diagram of an external structure provided by the present invention;

FIG. 5 is a schematic structural view of a second supporting plate according to the present invention;

FIG. 6 is a schematic structural view of a fixing base according to the present invention;

FIG. 7 is a schematic structural diagram of a paper winding mechanism provided by the present invention;

fig. 8 is a schematic structural diagram of a paper winding mechanism provided by the present invention.

In the figure: 1. a base; 2. a protective shell; 3. a mounting ring; 4. a snap ring; 5. a rotating mechanism; 51. rotating the rod; 52. a first bevel gear; 53. a catch tray; 54. an arc-shaped slot; 55. a notch; 56. a chute; 57. a pull rod; 58. pulling the disc; 59. a first bearing; 510. a second bearing; 6. a transmission mechanism; 61. a transmission rod; 62. a second bevel gear; 63. a stabilizing plate; 64. a third bevel gear; 65. a third bearing; 7. a drive mechanism; 71. fixing the rod; 72. mounting a plate; 73. a fourth bevel gear; 74. a fifth bevel gear; 75. a connecting rod; 76. a turntable; 77. a rocker; 78. a fourth bearing; 8. an indication mechanism; 81. a middle rod; 82. a sixth bevel gear; 83. fixing the disc; 84. a pointer; 85. inserting a rod; 86. a fifth bearing; 9. a limiting mechanism; 91. a vertical plate; 92. a transverse plate; 93. rolling a groove; 94. a ball bearing; 10. a middle plate; 11. a base plate; 12. a side plate; 13. a thread groove; 14. a test tube sleeve; 15. a threaded strut; 16. a support leg; 17. a strut; 18. scale lines; 19. and a through hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in FIGS. 1 to 8, the nucleic acid detecting device of the present invention comprises a base 1, wherein four corners of the lower end of the base 1 are fixedly connected with support legs 16, a driving mechanism 7 is installed on a first side inside the base 1, a protective shell 2 is fixedly connected to the upper end of the base 1, a rotating mechanism 5 is installed in the middle of the protective shell 2, the rotating mechanism 5 is connected with the driving mechanism 7, side plates 12 are fixedly connected to inner walls of two sides of the lower end of the protective shell 2, the upper ends of the side plates 12 are fixedly connected with a bottom plate 11, a plurality of groups of thread grooves 13 are formed in the upper end of the bottom plate 11 from inside to outside, each group of the thread grooves 13 are annularly distributed on the bottom plate 11, a middle plate 10 is fixedly connected to the inner wall of the middle part of the protective shell 2, and a plurality of groups of through holes 19 are formed in the, the number of the through holes 19 is the same as that of the thread grooves 13, the through holes 19 correspond to the thread grooves 13 one by one, the test tube sleeves 14 penetrate through and are connected to the through holes 19 in a sliding manner, the middle parts of the test tube sleeves 14 penetrate through and are connected to the middle plate 10 in a sliding manner, the lower ends of the test tube sleeves 14 are fixedly connected with thread support rods 15, the thread support rods 15 are connected to the inner parts of the thread grooves 13 corresponding to the test tube sleeves 14 in a threaded manner, the outer walls of the two sides of the upper end of the protective shell 2 are respectively provided with a limiting mechanism 9, the limiting mechanisms 9 are respectively connected with a rotating mechanism 5, the inner wall of one side of the protective shell 2 is provided with an indicating mechanism 8, the indicating mechanism 8 is connected with a driving mechanism 7 through a transmission mechanism 6, the outer wall of one side of the protective shell 2 is fixedly connected with the mounting ring 3, the inner, conveniently record the grouping information of test tube, conveniently deposit and take the test tube.

Specifically, snap ring 4 all extrudes collar 3 in the one side of keeping away from protective housing 2, equidistant fixedly connected with a plurality of branches 17 on the part circumference outer wall that snap ring 4 is located collar 3 outside, conveniently rotates snap ring 4, accomplishes snap ring 4's installation and dismantlement action.

Specifically, the driving mechanism 7 includes a fixing rod 71, the outer circumferential walls of both ends of the fixing rod 71 are sleeved with and fixedly connected with mounting plates 72 through fourth bearings 78, the mounting plates 72 are fixedly connected to the inner wall of the base 1, one end of the fixing rod 71 close to the middle of the base 1 is fixedly connected with a fourth bevel gear 73, one end of the fixing rod 71 far away from the middle of the base 1 is fixedly connected with a fifth bevel gear 74, the middle of one side of the fifth bevel gear 74 far away from the fixing rod 71 is fixedly connected with a connecting rod 75, one end of the connecting rod 75 far away from the fifth bevel gear 74 is penetrated through and fixedly connected to the side wall of one side of the base 1 through a fixing bearing, one end of the connecting rod 75 far away from the fifth bevel gear 74 is fixedly connected with a turntable 76, the upper end of one side of the turntable 76 far away from the connecting, the desired test tube is convenient to take.

Specifically, the rotating mechanism 5 includes a rotating rod 51, the middle of the rotating rod 51 is penetrated through and is connected to the middle plate 10 and the bottom plate 11 in a sliding manner, the lower end of the rotating rod 51 is penetrated through and is fixedly connected to the lower end side wall of the protective shell 2 through a first bearing 59, the lower end of the rotating rod 51 is fixedly connected to a first bevel gear 52, the first bevel gear 52 is meshed with a fourth bevel gear 73 of the driving mechanism 7, the upper end of the rotating rod 51 is penetrated through and is fixedly connected to the upper end side wall of the protective shell 2 through a second bearing 510, the upper end of the rotating rod 51 is fixedly connected to a baffle disc 53, the lower end of the baffle disc 53 is provided with a plurality of arc-shaped grooves 54 from inside to outside, the arc-shaped grooves 54 are located on the same central line, the number of the arc-shaped grooves 54 is the same as that of the thread grooves, breach 55 is fan-shaped structure and lies in same centre of a circle line with fender dish 53, the upper end middle part fixedly connected with pull rod 57 of fender dish 53, the upper end fixedly connected with pull rod 57 draws dish 58, the upper end border department of fender dish 53 has seted up spout 56, spout 56 is the arc structure and lies in same centre of a circle line with fender dish 53, blocks the upper end of test tube through fender dish 53 during the use, avoids the striking of external force to damage the test tube.

Specifically, stop gear 9 all includes riser 91, the equal fixed connection of riser 91 is in the upper end of protective housing 2, the equal fixedly connected with diaphragm 92 in one side upper end that riser 91 is close to protective housing 2 middle part, rolling groove 93 has all been seted up to the lower extreme of diaphragm 92, the equal sliding connection in inside of rolling groove 93 has ball 94, ball 94's lower extreme is all outstanding place rolling groove 93 and sliding connection inside slewing mechanism 5's spout 56, conveniently supports slewing mechanism 5's fender dish 53, rocks when avoiding slewing mechanism 5's fender dish 53 to rotate.

Specifically, the transmission mechanism 6 includes a transmission rod 61, the lower end of the transmission rod 61 penetrates through a fixed bearing and is fixedly connected to the side wall of the lower end of the protective shell 2, the lower end of the transmission rod 61 is fixedly connected with a second bevel gear 62, the second bevel gear 62 is meshed with a fifth bevel gear 74 of the driving mechanism 7, a stabilizing plate 63 is sleeved and fixedly connected to the outer wall of the circumference of the upper end of the transmission rod 61 through a third bearing 65, the stabilizing plate 63 is fixedly connected to the inner wall of one side of the protective shell 2, a third bevel gear 64 is fixedly connected to the upper end of the transmission rod 61, so that the indicating mechanism 8 and the driving mechanism 7 are connected together, and the indicating mechanism 8 is driven to operate while the driving mechanism 7 drives the rotating mechanism 5.

Specifically, indicating mechanism 8 includes king-rod 81, king-rod 81 runs through and fixed connection on the partial protective housing 2 lateral wall at mounting ring 3 middle part through fifth bearing 86, king-rod 81 is located the inside one end fixedly connected with sixth bevel gear 82 of protective housing 2, sixth bevel gear 82 and drive mechanism 6's third bevel gear 64 meshing connection, king-rod 81 is located the outside one end fixedly connected with fixed disk 83 of protective housing 2, it is connected with pointer 84 to contradict on the upper end circumference outer wall of fixed disk 83, the lower extreme fixedly connected with inserted bar 85 of pointer 84, inserted bar 85 pegs graft in the upper end circumference outer wall of fixed disk 83, makes things convenient for the staff to take the test tube of wanting, need not the staff to seek one by one.

When the test tube clamp is used, the test tube clamp is lifted by the pull disc 58, the test tube clamp is placed on a table top, a plurality of test tubes are grouped, grouping information is recorded on the clamping ring 4 and corresponds to the scale marks 18 on the clamping ring 4, the clamping ring 4 is clamped inside the mounting ring 3, the clamping ring 4 is rotated by the support rod 17 and is fastened on the mounting ring 3, the pointer 84 is inserted on the fixing disc 83 by the inserting rod 85, then the rotating disc 76 is rotated by the rocker 77, the rotating disc 76 rotates the fifth bevel gear 74 by the connecting rod 75, the fixing disc 74 drives the fixing rod 71 and the second bevel gear 62 to rotate, the second bevel gear 62 rotates the third bevel gear 64 by the transmission rod 61, the third bevel gear 64 rotates the sixth bevel gear 82, the sixth bevel gear 82 rotates the fixing disc 83 by the middle rod 81, the fixing disc 83 drives the pointer 84 to slide on the clamping ring 4, and the fixing rod 71 rotates the first bevel gear 52 by the fourth, the first bevel gear 52 drives the rotating rod 51 to rotate, and the rotating rod 51 drives the baffle disc 53 to rotate at the upper end of the protective shell 2, in the process, the two balls 94 will slide in the sliding groove 56 and fix the edge of the plate 53, preventing the plate 53 from tilting during rotation, while the staff can observe the scale 18 pointed by the pointer 84, according to the grouping information pointed by the pointer 84, a plurality of test tubes are respectively inserted into different test tube sleeves 14, when the test tube taking device is impacted, impact force generated during impact can act on the protective shell 2 and the baffle disc 53 and can not act on the test tube, so that the test tube is protected, when a desired test tube needs to be taken, the rotating disc 76 can be rotated by the rocker 77, and the pointer 84 can be observed, when the pointer 84 points to the grouping information of the taken test tubes, the rotating disc 76 is stopped, and then the corresponding test tubes at the moment of the notch 55 are taken.

The invention has the beneficial effects that:

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The nucleic acid detection device comprises a base (1) and is characterized in that support legs (16) are fixedly connected to four corners of the lower end of the base (1), a driving mechanism (7) is installed on the first side in the base (1), a protective shell (2) is fixedly connected to the upper end of the base (1), a rotating mechanism (5) is installed in the middle of the protective shell (2), the rotating mechanism (5) is connected with the driving mechanism (7), side plates (12) are fixedly connected to the inner walls of two sides of the lower end of the protective shell (2), a bottom plate (11) is fixedly connected to the upper ends of the side plates (12) together, a plurality of groups of thread grooves (13) are formed in the upper end of the bottom plate (11) from inside to outside, each group of the thread grooves (13) are distributed on the bottom plate (11) in an annular shape, a middle plate (10) is fixedly connected to the inner wall of the middle, the upper end of protective housing (2) is equipped with a plurality of groups of through-holes (19) from inside to outside on the lateral wall, the quantity of through-holes (19) is the same with the quantity of thread groove (13) and one-to-one, the inside of through-holes (19) all runs through and sliding connection has test tube sleeve (14), the middle part of test tube sleeve (14) all runs through and sliding connection on medium plate (10), the equal fixedly connected with screw thread branch (15) of lower extreme of test tube sleeve (14), the equal threaded connection of screw thread branch (15) is inside the corresponding thread groove (13) of test tube sleeve (14) of place, stop gear (9) all are installed on the upper end both sides outer wall of protective housing (2), stop gear (9) all are connected with slewing mechanism (5), install indicating mechanism (8) on one side inner wall of protective housing (2), indicating mechanism (8) are connected with actuating mechanism (7) through drive mechanism (6), fixedly connected with collar (3) on one side outer wall of protective housing (2), the inside threaded connection of collar (3) has snap ring (4), one side border department of keeping away from protective housing (2) of snap ring (4) has seted up scale mark (18).

2. The nucleic acid detecting apparatus according to claim 1, wherein: the driving mechanism (7) comprises a fixed rod (71), the outer walls of the circumferences of the two ends of the fixed rod (71) are sleeved with a mounting plate (72) through fourth bearings (78) and fixedly connected with the mounting plate, the mounting plate (72) is fixedly connected to the inner wall of the base (1), one end of the fixed rod (71) close to the middle part of the base (1) is fixedly connected with a fourth bevel gear (73), one end of the fixed rod (71) far away from the middle part of the base (1) is fixedly connected with a fifth bevel gear (74), the middle part of one side of the fifth bevel gear (74) far away from the fixed rod (71) is fixedly connected with a connecting rod (75), one end of the connecting rod (75) far away from the fifth bevel gear (74) penetrates through the fixed bearings and is fixedly connected to the side wall of the base (1), and one end of the connecting rod (75) far away, the upper end of one side of the turntable (76) far away from the connecting rod (75) is fixedly connected with a rocker (77).

3. The nucleic acid detecting apparatus according to claim 1, wherein: the rotating mechanism (5) comprises a rotating rod (51), the middle of the rotating rod (51) is penetrated through and is in sliding connection with the middle plate (10) and the bottom plate (11), the lower end of the rotating rod (51) is penetrated through a first bearing (59) and is fixedly connected with the side wall of the lower end of the protective shell (2), the lower end of the rotating rod (51) is fixedly connected with a first bevel gear (52), the first bevel gear (52) is in meshing connection with a fourth bevel gear (73) of the driving mechanism (7), the upper end of the rotating rod (51) is penetrated through a second bearing (510) and is fixedly connected with the side wall of the upper end of the protective shell (2), the upper end of the rotating rod (51) is fixedly connected with a baffle disc (53), the lower end of the baffle disc (53) is provided with a plurality of arc-shaped grooves (54) from inside to outside, and a plurality of the arc, the quantity of arc wall (54) is the same and the one-to-one with the quantity of thread groove (13), breach (55) have been seted up in the front of fender dish (53), breach (55) are fan-shaped structure and lie in same centre of a circle line with fender dish (53), spout (56) have been seted up to the upper end border department of fender dish (53), spout (56) are the arc structure and lie in same centre of a circle line with fender dish (53).

4. The nucleic acid detecting apparatus according to claim 1, wherein: stop gear (9) all include riser (91), the equal fixed connection of riser (91) is in the upper end of protective housing (2), riser (91) are close to equal fixedly connected with diaphragm (92) in one side upper end at protective housing (2) middle part, rolling groove (93) have all been seted up to the lower extreme of diaphragm (92), the equal sliding connection in inside of rolling groove (93) has ball (94), the lower extreme of ball (94) all stands out place rolling groove (93) and sliding connection is inside spout (56) of slewing mechanism (5).

5. The nucleic acid detecting apparatus according to claim 1, wherein: drive mechanism (6) are including transfer line (61), the lower extreme of transfer line (61) runs through and fixed connection on the lower extreme lateral wall of protective housing (2) through fixing bearing, the lower extreme fixedly connected with second bevel gear (62) of transfer line (61), fifth bevel gear (74) meshing connection of second bevel gear (62) and actuating mechanism (7), establish and fixedly connected with steadying plate (63) through third bearing (65) cover on the upper end circumference outer wall of transfer line (61), steadying plate (63) fixed connection is on one side inner wall of protective housing (2), the upper end fixedly connected with third bevel gear (64) of transfer line (61).

6. The nucleic acid detecting apparatus according to claim 1, wherein: indicating mechanism (8) include king-rod (81), king-rod (81) run through and fixed connection on partial protective housing (2) lateral wall at installing ring (3) middle part through fifth bearing (86), king-rod (81) are located inside one end fixedly connected with sixth bevel gear (82) of protective housing (2), third bevel gear (64) meshing connection of sixth bevel gear (82) and drive mechanism (6), king-rod (81) are located the outside one end fixedly connected with fixed disk (83) of protective housing (2), the conflict is connected with pointer (84) on the upper end circumference outer wall of fixed disk (83), the lower extreme fixedly connected with inserted bar (85) of pointer (84), inserted bar (85) are pegged graft in the upper end circumference outer wall of fixed disk (83).

7. The nucleic acid detecting apparatus according to claim 3, wherein: the middle part of the upper end of the baffle disc (53) is fixedly connected with a pull rod (57), and the upper end of the pull rod (57) is fixedly connected with a pull disc (58).

8. The nucleic acid detecting apparatus according to claim 1, wherein: one side of the clamping ring (4) far away from the protective shell (2) protrudes out of the mounting ring (3), and the clamping ring (4) is located on the outer wall of the outer portion of the circumference of the mounting ring (3) and is fixedly connected with a plurality of supporting rods (17) at equal intervals.