CN220149528U - Protection device for fluorescent quantitative PCR instrument - Google Patents

Abstract

The utility model relates to the technical field of PCR instruments, in particular to a protection device for a fluorescent quantitative PCR instrument. The device comprises a PCR instrument body, a plurality of heat dissipation through holes are formed in the outer wall of one side of the PCR instrument body, a shell is arranged on the outer wall of the PCR instrument body, a mounting groove for mounting a dustproof grid is formed in the front end surface of the shell, two mounting grooves for mounting a cooling fan are formed in the rear end surface of the shell, movable grooves for moving a rotating shaft are symmetrically formed in the inner wall of the shell, a cleaning roller is fixedly sleeved on the outer portion of the rotating shaft, two control blocks are sleeved on the outer portion of the rotating shaft in a movable mode, a pressing block is pressed downwards or pulled upwards, the rotating shaft and the cleaning roller are driven to clean the dustproof grid through a control rod, the dustproof grid is not required to be detached, the working efficiency is improved, and meanwhile the cleaning roller rotates when moving up and down through a control gear and a rack, so that the dust treatment effect in a dustproof grid gap is guaranteed.

Description

Protection device for fluorescent quantitative PCR instrument

Technical Field

The utility model relates to the technical field of PCR instruments, in particular to a protection device for a fluorescent quantitative PCR instrument.

Background

The PCR instrument is widely applied to medical science and biological laboratories, internal parts of the PCR instrument can generate heat in the using process, and a heat dissipation hole is generally formed in the shell of the fluorescent quantitative PCR instrument so as to transfer the heat generated in the PCR instrument to the outside, however, dust and foreign matters in the outside air can enter the PCR instrument body through the heat dissipation hole, and the dust and the foreign matters entering the PCR instrument can influence the normal use of the internal parts of the PCR instrument and the service life of the PCR instrument, so that the dust and the foreign matters need to be blocked from entering the PCR instrument body through a protection device.

But current protector is when using, although can shelter from external dust, but when the device is used, the dust can shelter from the dust screen gradually to influence the radiating effect, consequently need clear up the dust screen when using, but current all need dismantle the dust screen and clear up, influence work efficiency.

The Chinese patent with the bulletin number of CN212610661U discloses a protection device for a fluorescence quantitative PCR instrument, which comprises a heat dissipation cavity which is fixed on one side of a heat dissipation hole of a PCR instrument body in a sealing way and covers the heat dissipation hole completely, one surface of the heat dissipation cavity opposite to the heat dissipation hole is concave, two ends of the heat dissipation cavity are respectively provided with an air inlet pipe with a cylindrical air inlet pipe head and an air outlet pipe with a cylindrical air outlet pipe head, the air inlet pipe, the heat dissipation cavity and the air outlet pipe are integrally manufactured, a cylindrical dustproof pipe with a dustproof mesh I is connected on the air inlet pipe head in a threaded way, an exhaust device is connected on the air outlet pipe head in a threaded way and comprises a cylindrical shell and an exhaust fan fixed in the shell, the end part of the shell is provided with a dustproof mesh II, and a battery box is arranged outside the shell.

The utility model has good dustproof effect on the heat dissipation holes of the PCR instrument, can quickly transfer the heat at the heat dissipation holes of the PCR instrument to the outside, prolongs the service life of the PCR instrument, and has simple installation and very convenient later maintenance in practical use.

Disclosure of Invention

The utility model aims to provide a protection device for a fluorescent quantitative PCR instrument, which aims to solve the problems in the background technology.

In order to achieve the above object, the utility model provides a protection device for a fluorescent quantitative PCR instrument, which comprises a PCR instrument body, wherein a plurality of heat dissipation through holes are formed in the outer wall of one side of the PCR instrument body, a shell is arranged on the outer wall of the PCR instrument body, a mounting groove for mounting a dustproof grid is formed in the front end surface of the shell, two mounting grooves for mounting a cooling fan are formed in the rear end surface of the shell, movable grooves for moving a rotating shaft are symmetrically formed in the inner wall of the shell, a cleaning roller is fixedly sleeved on the outer portion of the rotating shaft, two control blocks are movably sleeved on the outer portion of the rotating shaft, control rods are fixedly connected to the upper ends of the two control blocks, a pressing block is fixedly connected to the upper end of the control rods, a control gear is fixedly sleeved on the outer portion of the rotating shaft, a control groove is formed in the inner wall of the shell, racks meshed with the control gear are fixedly connected to the inner wall of the control groove, and two guide blocks are fixedly connected to the inner wall of the shell, and guide grooves matched with the control rods are formed in the inner portions of the two guide blocks.

As a further improvement of the technical scheme, the outer wall of the shell is provided with a sliding groove, the upper end and the lower end of the sliding groove are fixedly connected with protruding blocks, a shielding plate is arranged in the sliding groove, grooves matched with the protruding blocks are fixedly connected to the upper end and the lower end of the shielding plate, a plurality of sealing holes corresponding to the heat dissipation through holes are formed in the shielding plate, and the outer wall of the shielding plate is in contact with the PCR instrument body.

As a further improvement of the technical scheme, the outer wall fixedly connected with fixed plate of shielding plate, the outer wall fixedly connected with push rod of fixed plate, the other end of push rod runs through the outer wall of casing and fixedly connected with handle, the inner wall fixedly connected with guide bar of casing, the guide way with guide bar looks adaptation has been seted up to the inside of fixed plate.

As the further improvement of this technical scheme, the outer wall fixedly connected with shape fixed block of PCR appearance body, the equal fixedly connected with sliding block in upper and lower both ends of casing, the rear end fixed surface of casing connects the fixture block, two spouts with sliding block looks adaptation and the draw-in groove with fixture block looks adaptation have been seted up respectively to the inner wall of shape fixed block, two the inner wall sliding connection of spout has the locating piece, the screw hole that is used for installing fixing bolt has all been seted up inside locating piece and the PCR appearance body.

As a further improvement of the technical scheme, a control button is fixedly arranged on the upper surface of the shell, a battery groove for installing a storage battery is formed in the side wall of the shell, and the control button is electrically connected with the cooling fan.

As a further improvement of the technical scheme, a reserved groove for installing a rubber pad is formed in the upper end of the pressing block.

Compared with the prior art, the utility model has the beneficial effects that:

this protection device for fluorescence ration PCR appearance is with in, drive axis of rotation and cleaning roller reciprocates through briquetting and two control levers that set up and clear up dustproof grid, need not dismantle the clearance with dustproof, convenient to use, when the cleaning roller reciprocates, under the synchronous action of control gear and rack, make axis of rotation and cleaning roller rotate, thereby can guarantee the cleaning roller to the cleaning effect of dust in the dustproof grid gap, simultaneously, the dust that the clearance was got off can be through radiator fan department discharge casing, can not cause the influence to the PCR appearance body.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a split block diagram of the present utility model;

FIG. 3 is a cut-away view of the housing of the present utility model;

FIG. 4 is a block diagram of a scrub roller of the present utility model;

fig. 5 is an enlarged structural view of the present utility model at a of fig. 4.

The meaning of each reference sign in the figure is:

1. a PCR instrument body; 2. a heat dissipation through hole; 3. a housing; 4. a dust-proof grid; 5. a heat radiation fan; 6. a rotating shaft; 7. a cleaning roller; 8. a control block; 9. a control lever; 10. briquetting; 11. a control gear; 12. a rack; 13. a guide block; 14. sealing the hole; 15. a bump; 16. a shielding plate; 17. a fixing plate; 18. a push rod; 19. a guide rod; 20. -shaped fixing blocks; 21. a sliding block; 22. a clamping block; 23. a positioning block; 24. a fixing bolt; 25. a control button; 26. and a rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, this embodiment provides a protection device for a fluorescent quantitative PCR instrument, including a PCR instrument body 1, a plurality of heat dissipation through holes 2 are provided on an outer wall of one side of the PCR instrument body 1, a housing 3 is provided on an outer wall of the PCR instrument body 1, a mounting groove for mounting a dustproof grid 4 is provided on a front end surface of the housing 3, two mounting grooves for mounting a cooling fan 5 are provided on a rear end surface of the housing 3, movable grooves for moving a rotating shaft 6 are symmetrically provided on an inner wall of the housing 3, a cleaning roller 7 is fixedly sleeved on an outer portion of the rotating shaft 6, two control blocks 8 are sleeved on an outer movable sleeve of the rotating shaft 6, control rods 9 are fixedly connected to upper ends of the two control blocks 8, two control rods 10 are fixedly connected to an upper end of the control rods 9 penetrating through an outer wall of the housing 3, a control gear 11 is fixedly sleeved on an outer portion of the rotating shaft 6, a control groove is provided on an inner wall of the housing 3, a rack 12 meshed with the control gear 11 is fixedly connected to an inner wall of the control groove, and two guide blocks 13 are fixedly connected to an inner wall of the housing 3, and two guide blocks 13 are provided inside guide rods 13 are adapted to the guide rods.

The working principle is as follows: the pressing block 10 is pulled upwards or pressed downwards, the rotating shaft 6 and the cleaning roller 7 are driven to move upwards or downwards under the action of the control rod 9 and the control block 8, so that the cleaning roller 7 can clean the dustproof grid 4, the dustproof grid 4 does not need to be disassembled and cleaned, the operation is convenient, the working efficiency is improved, the rotating shaft 6 and the cleaning roller 7 move upwards or downwards, and meanwhile, the cleaning roller 7 can be rotated under the combined action of the control gear 11 and the rack 12, so that the cleaning effect on the dustproof grid 4 is improved, and the dust blocking of the dustproof grid 4 is prevented.

In order to prevent when carrying out the deashing, the dust can get into the inside of PCR appearance body 1 through heat dissipation through-hole 2, so the sliding tray has been seted up to the outer wall of casing 3, the equal fixedly connected with lug 15 in upper and lower both ends of sliding tray, the inside of sliding tray is equipped with shielding plate 16, the recess with lug 15 looks adaptation of equal fixedly connected with in upper and lower both ends of shielding plate 16, a plurality of sealed holes 14 corresponding with heat dissipation through-hole 2 have been seted up to the inside of shielding plate 16, the outer wall of shielding plate 16 is inconsistent with PCR appearance body 1, and control shielding plate 16 moves when carrying out the deashing, makes sealed hole 14 and heat dissipation through-hole 2 dislocation on shielding plate 16, makes things convenient for shielding plate 16 to shelter from heat dissipation through-hole 2 to can prevent when the deashing, the dust can get into the inside of PCR appearance body 1 through heat dissipation through-hole 2.

Considering the removal that needs make things convenient for shielding plate 16, so shielding plate 16's outer wall fixedly connected with fixed plate 17, the outer wall fixedly connected with push rod 18 of fixed plate 17, the other end of push rod 18 runs through the outer wall of casing 3 and fixedly connected with handle, the inner wall fixedly connected with guide bar 19 of casing 3, the guide way with guide bar 19 looks adaptation has been seted up to the inside of fixed plate 17, drives push rod 18 through the handle that sets up and removes, can drive shielding plate 16 simultaneously and remove under the effect of fixed plate 17, and the guide bar 19 that sets up can guarantee the stability that fixed plate 17 removed to the removal of convenient shielding plate 16.

In order to facilitate the installation of the shell 3, the outer wall of the PCR instrument body 1 is fixedly connected with a -shaped fixing block 20, the upper end and the lower end of the shell 3 are fixedly connected with sliding blocks 21, the surface of the rear end of the shell 3 is fixedly connected with clamping blocks 22, two sliding grooves matched with the sliding blocks 21 and clamping grooves matched with the clamping blocks 22 are respectively formed in the inner wall of the -shaped fixing block 20, two positioning blocks 23 are slidably connected with the inner walls of the sliding grooves, threaded holes for installing fixing bolts 24 are formed in the positioning blocks 23 and the PCR instrument body 1, the shell 3 is limited to move in the -shaped fixing block 20 through the arranged clamping blocks 22 and the sliding blocks 21, when the PCR instrument is installed, the sliding blocks 21 on the shell 3 slide along the sliding grooves, so that the shell 3 enters the -shaped fixing block 20, then the positioning blocks 23 are clamped into the two sliding grooves, and the positions of the 23 are controlled through the arranged fixing bolts 24, and the installation of the shell 3 can be completed.

The use of convenient radiator fan 5 in operation, the last fixed surface of casing 3 installs control button 25, the battery jar that is used for installing the battery has been seted up to the lateral wall of casing 3, control button 25 and radiator fan 5 electric connection, the battery through setting up is radiator fan 5 power supply, when needs heat dissipation, can control radiator fan 5 start through pressing control button 25.

In addition, the comfort level of the user during use is ensured, so the upper end of the pressing block 10 is provided with a reserved groove for installing the rubber pad 26, and the pressing block 10 is controlled by the user through the arranged rubber pad 26, so that the pressing block 10 has higher comfort level.

When the protection device for the fluorescent quantitative PCR instrument is specifically used, firstly, the sliding block 21 on the shell 3 is aligned with the sliding groove on the -shaped fixed block 20, the shell 3 is inserted into the -shaped fixed block 20, the clamping block 22 is clamped into the clamping groove, then the positioning block 23 is clamped into the two sliding grooves, the position of the positioning block 23 is controlled through the set fixing bolts 24, the installation of the shell 3 can be completed, when the PCR instrument body 1 is used, the control button 25 is pressed to control the start of the cooling fan 5, the air flow near the cooling through hole 2 is strengthened, thereby rapidly taking away the heat near the cooling through hole 2, ensuring the cooling effect of the PCR instrument body 1, before each use of the device, the push rod 18 can be driven to move through the set handle, the shielding plate 16 can be simultaneously driven to move under the action of the fixing plate 17, the sealing hole 14 on the shielding plate 16 is misplaced with the heat dissipation through hole 2, so that the shielding plate 16 shields the heat dissipation through hole 2 conveniently, when ash removal is prevented, dust can enter the interior of the PCR instrument body 1 through the heat dissipation through hole 2, then the pressing block 10 is pulled upwards or pressed downwards, the rotating shaft 6 and the cleaning roller 7 are driven to move upwards or downwards under the action of the control rod 9 and the control block 8, the cleaning roller 7 cleans the dustproof grid 4 without disassembling and cleaning the dustproof grid 4, the work efficiency is convenient, the cleaning roller 7 can be rotated under the combined action of the control gear 11 and the rack 12 while the rotating shaft 6 and the cleaning roller 7 move upwards or downwards, the cleaning effect on the dustproof grid 4 is increased, the dust is prevented from blocking the dustproof grid 4, the heat dissipation effect of the device is influenced, the radiator fan 5 that sets up can clear away the casing 3 with the dust that the clearance was got off, does not have the dust to pile up in casing 3, when not using, also can shelter from radiator hole 2 through shielding plate 16, prevents that the dust from getting into casing 3 through radiator fan 5's opening part, reentrant PCR appearance body 1.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a protection device for fluorescence ration PCR appearance, includes PCR appearance body (1), its characterized in that: the utility model discloses a PCR appearance body, including PCR appearance body (1), outer wall, control block (8), control block (9), two, control block (9) are equipped with casing (3), the mounting groove that is used for installing dustproof check net (4) is seted up on the front end surface of casing (3), two mounting grooves that are used for installing radiator fan (5) are seted up on the rear end surface of casing (3), the movable groove that supplies axis of rotation (6) activity is seted up to the inner wall symmetry of casing (3), the outside fixed cover of axis of rotation (6) has clean roller (7), the outside movable sleeve of axis of rotation (6) is equipped with two control blocks (8), two equal fixedly connected with control rod (9) of upper end of control block (8), two the outer wall and fixedly connected with briquetting (10) of casing (3) are run through to the upper end of control rod (9), control gear (11) have been seted up to the inner wall of casing (3), the inner wall fixedly connected with of control groove and control gear (11) looks meshing, guide block (13) are all seted up to the inside guide block (13).

2. The protection device for a fluorescent quantitative PCR instrument according to claim 1, wherein: the utility model discloses a PCR instrument, including casing (3), shielding plate (16), sealing hole (14) corresponding with heat dissipation through-hole (2) have been seted up to the outer wall of casing (3), the equal fixedly connected with lug (15) in upper and lower both ends of sliding groove, the recess of the equal fixedly connected with of upper and lower both ends and lug (15) looks adaptation of shielding plate (16), a plurality of sealed holes (14) corresponding with heat dissipation through-hole (2) have been seted up to the inside of shielding plate (16), the outer wall of shielding plate (16) is inconsistent with PCR instrument body (1).

3. The protection device for a fluorescent quantitative PCR instrument according to claim 2, wherein: the outer wall fixedly connected with fixed plate (17) of shielding plate (16), the outer wall fixedly connected with push rod (18) of fixed plate (17), the other end of push rod (18) runs through the outer wall of casing (3) and fixedly connected with handle, the inner wall fixedly connected with guide bar (19) of casing (3), the guide way with guide bar (19) looks adaptation has been seted up to the inside of fixed plate (17).

4. The protection device for a fluorescent quantitative PCR instrument according to claim 1, wherein: the outer wall fixedly connected with shape fixed block (20) of PCR appearance body (1), the equal fixedly connected with sliding block (21) in upper and lower both ends of casing (3), rear end fixed surface of casing (3) connects fixture block (22), two spouts with sliding block (21) looks adaptation and the draw-in groove with fixture block (22) looks adaptation have been seted up respectively to the inner wall of shape fixed block (20), two the inner wall sliding connection of spout has locating piece (23), the screw hole that is used for installing fixing bolt (24) has all been seted up to locating piece (23) and the inside of PCR appearance body (1).

5. The protection device for a fluorescent quantitative PCR instrument according to claim 1, wherein: the upper surface of casing (3) fixed mounting has control button (25), the battery jar that is used for installing the battery is seted up to the lateral wall of casing (3), control button (25) and radiator fan (5) electric connection.

6. The protection device for a fluorescent quantitative PCR instrument according to claim 1, wherein: the upper end of the pressing block (10) is provided with a reserved groove for installing a rubber pad (26).