CN211477774U

CN211477774U - Filter membrane clamping device of air particulate matter sampling instrument

Info

Publication number: CN211477774U
Application number: CN201922045668.9U
Authority: CN
Inventors: 刘朝阳
Original assignee: Wuhan Yuanzheng Century Pharmaceutical Co ltd
Current assignee: Wuhan Yuanzheng Century Pharmaceutical Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-09-11
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses an air particulate matter sampling instrument's filter membrane clamping device, including backup pad and box, the top of backup pad and the top fixed connection of box, the top of box is followed interior to running through in proper order outward and is had intake pipe and U type pole, the side of U type pole runs through there is the annular pole, the surface cover of annular pole is equipped with the stick up pole, and the spacing groove has been seted up at the top of box, the utility model relates to a filter membrane presss from both sides tight technical field. This filter membrane clamping device of air particulate matter sampling instrument, electronic elevating platform passes through the spacing section of thick bamboo of second and the connecting pipe drives briquetting and filter membrane and moves up, through the position of four stick up poles of regulation in coordination of U type pole, spring and annular slab, drive briquetting and filter membrane through four stick up poles and move up, press from both sides tight fixedly to the filter membrane through briquetting and intake pipe, when the spring guarantee filter membrane can not be too big and impaired because of the atress, the guarantee briquetting continuously receives power up, the guarantee is tight to pressing from both sides of filter membrane.

Description

Filter membrane clamping device of air particulate matter sampling instrument

Technical Field

The utility model relates to a filter membrane presss from both sides tight technical field specifically is a filter membrane clamping device of air particulate matter sampling instrument.

Background

The particle sampler is widely applied to total suspended particles in ambient air, integrates the functions of particle sampling and gas sampling, and can simultaneously sample particles and gas in the ambient air in a simultaneous manner; automatic constant-current control combining a micropore constant-current gas dynamics principle, feedback constant current and other modes is adopted, and each path can display digital flow; the sampling method comprises the following steps that a conventional mode, an interval mode, a constant volume mode, a scientific mode and other sampling modes are set, standard condition sampling volumes are automatically calculated, sampling can be conducted at fixed time and intervals respectively, the function of accumulating the sampling volumes for multiple times is achieved, state conversion can be conducted, and a direct-current brushless motor technology is adopted in a particle sampling part; the gas sampling part adopts a low-noise high-performance inlet direct-current brushless gas small pump, can be recycled and is provided with a drying bottle to protect a gas production gas circuit from being influenced by moisture of the absorption bottle.

The current dust sampler adopts the atmosphere in the aspiration pump extraction filter core usually, stop the dust on the filter membrane, later take the filter membrane to remove the sampling of weighing, the sampling needs the period to go on usually, this just need constantly to send new filter membrane to the sampling, the filter membrane that will sample simultaneously and accomplish is sent away and is collected, because need often change the filter membrane, can appear leading to the leakproofness not good to the unable effective clamp of filter membrane through often changing the filter membrane, thereby lead to the phenomenon of the unable complete adsorption of particulate matter in the air of filter membrane, lead to acquireing data inaccurately, and change the in-process, need manual going on between the personnel, and need to operate the multiple places, it is loaded down with trivial details to change the process.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an air particulate matter sampling instrument's filter membrane clamping device has solved common dust sampler and can not be fine press from both sides tight fixed and change the loaded down with trivial details problem of filter membrane process to the filter membrane.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a filter membrane clamping device of an air particulate matter sampling instrument comprises a supporting plate and a box body, wherein the top of the supporting plate is fixedly connected with the top of the box body, an air inlet pipe and a U-shaped rod sequentially penetrate through the top of the box body from inside to outside, an annular rod penetrates through the side face of the U-shaped rod, a warping rod is sleeved on the outer surface of the annular rod, a limiting groove is formed in the top of the box body, a first limiting barrel is connected to the inner surface of the limiting groove in a sliding mode, a moving rod is connected to the inner surface of the first limiting barrel in a sliding mode, a spring is fixedly connected to the bottom of the first limiting barrel, the bottom end of the spring is in compression joint with the top of the warping rod, an electric lifting table and a motor are sequentially and fixedly connected to the bottom of an inner cavity of the box body from left to right, a second limiting barrel is fixedly connected to the top of, the top end of the connecting pipe is fixedly connected with a pressing block.

Preferably, the bottom of the inner cavity of the box body is rotatably connected with a rotating column, the top end of the rotating column is fixedly connected with a turntable, the right side of the turntable penetrates through the box body and extends to the outside of the box body, and a placing groove is formed in the top of the turntable.

Preferably, the side surface of the rotating column is fixedly connected with a ring plate, and the outer surface of the ring plate is provided with a fixing groove and a rotating groove.

Preferably, the output end of the motor is fixedly connected with a rotating plate, the top of the rotating plate is sequentially and fixedly connected with a rotating rod and a fan-shaped block from left to right, and the outer surface of the rotating rod is movably connected with the inner surface of the rotating groove.

Preferably, the top of the box body is fixedly connected with an electric telescopic rod, and the top of the inner surface of the U-shaped rod is fixedly connected with the output end of the electric telescopic rod.

Preferably, the top of backup pad just is located box left side fixedly connected with air pump, the input intercommunication of air pump has the return bend, the right-hand member of return bend runs through the box and extends to inside the box, the inner chamber of return bend and the inner chamber intercommunication of connecting pipe.

Preferably, the right side of box inner chamber just is located the equal fixed connection baffle in carousel top and below, and the top of rotating the post runs through the bottom of carousel below baffle and extends to the top of carousel below baffle.

Advantageous effects

The utility model provides a filter membrane clamping device of air particulate matter sampling instrument. Compared with the prior art, the method has the following beneficial effects:

(1) the filter membrane clamping device of the air particulate matter sampling instrument comprises a box body, wherein an air inlet pipe and a U-shaped rod sequentially penetrate through the top of the box body from inside to outside, an annular rod penetrates through the side face of the U-shaped rod, a seesaw rod is sleeved on the outer surface of the annular rod, a limiting groove is formed in the top of the box body, a first limiting cylinder is connected to the inner surface of the limiting groove in a sliding manner, a moving rod is connected to the inner surface of the first limiting cylinder in a sliding manner, a spring is fixedly connected to the bottom of the first limiting cylinder, the bottom end of the spring is in compression joint with the top of the seesaw rod, an electric lifting platform and a motor are sequentially and fixedly connected to the bottom of an inner cavity of the box body from left to right, a second limiting cylinder is fixedly connected to the top of the electric lifting platform, a connecting pipe is connected to the inner surface of the second limiting cylinder, through the position of four stick up poles of coordinated regulation of U type pole, spring and annular slab, stick up the pole through four and drive briquetting and filter membrane and move up, press from both sides tightly fixedly to the filter membrane through briquetting and intake pipe, when the spring guarantee filter membrane can not be because of the atress is too big impaired, the guarantee briquetting continuously receives power up, and the guarantee presss from both sides tightly the filter membrane, has solved common dust sampler and can not fine press from both sides tight fixed problem to the filter membrane.

(2) The filter membrane clamping device of the air particulate sampling instrument is characterized in that a rotating column is connected to the bottom of an inner cavity of a box body in a rotating mode, a rotary disc is fixedly connected to the top end of the rotating column, the right side of the rotary disc penetrates through the box body and extends to the outside of the box body, a placing groove is formed in the top of the rotary disc, a ring plate is fixedly connected to the side face of the rotating column, a fixed groove and a rotating groove are formed in the outer surface of the ring plate, a rotating plate and a sector block are fixedly connected to the output end of a motor in sequence from left to right in the top of the rotating plate, the outer surface of the rotating plate is movably connected with the inner surface of the rotating groove, when the rotating plate is located inside the rotating groove, the rotating plate is driven to rotate by the rotating rod, the ring plate is driven to rotate by the rotating column, the rotary, the stability of guarantee equipment operation has solved the loaded down with trivial details problem of common dust sampler change filter membrane process.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the structural connection between the ring plate and the rotating rod according to the present invention;

FIG. 3 is a schematic view of the structural connection between the turntable and the placing groove of the present invention;

FIG. 4 is a schematic view of the structural connection between the ring-shaped rod and the tilting rod of the present invention;

fig. 5 is a schematic view of the structural connection between the first spacing cylinder and the box body of the present invention.

In the figure: 1. a support plate; 2. a box body; 3. an air inlet pipe; 4. a U-shaped rod; 5. an annular rod; 6. raising the rod; 7. a limiting groove; 8. a first limiting cylinder; 9. a travel bar; 10. a spring; 11. an electric lifting table; 12. A motor; 13. a second limiting cylinder; 14. a connecting pipe; 15. briquetting; 16. rotating the column; 17. a turntable; 18. a placement groove; 19. a ring plate; 20. fixing grooves; 21. a rotating groove; 22. a rotating plate; 23. rotating the rod; 24. a sector block; 25. an electric telescopic rod; 26. an air pump; 27. bending the pipe; 28. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a filter membrane clamping device of an air particulate matter sampling instrument comprises a supporting plate 1 and a box body 2, wherein the top of the supporting plate 1 is fixedly connected with the top of the box body 2, an air inlet pipe 3 and a U-shaped rod 4 sequentially penetrate through the top of the box body 2 from inside to outside, an electric telescopic rod 25 is fixedly connected with the top of the box body 2, the electric telescopic rod 25 is electrically connected with an external power supply and is controlled by a control switch, the top of the inner surface of the U-shaped rod 4 is fixedly connected with the output end of the electric telescopic rod 25, an annular rod 5 penetrates through the side surface of the U-shaped rod 4, a warp rod 6 is sleeved on the outer surface of the annular rod 5, four warp rods 6 are arranged and are uniformly distributed on the outer surface of an annular plate 5, a limiting groove 7 is formed in the top of the box body 2, a first limiting barrel 8 is slidably connected with the inner surface of the limiting groove 7, a, the inner surface of each limiting groove 7 is connected with a first limiting cylinder 8 in a sliding mode, the limiting grooves 7 and the first limiting cylinders 8 limit the moving rod 9, the moving rod 9 is guaranteed to be in a vertical state while the moving rod 9 can move, springs 10 are fixedly connected to the bottoms of the first limiting cylinders 8, the bottom ends of the springs 10 are in pressure connection with the top of the warping rod 6, when filter membranes are clamped, the springs 10 provide certain buffering, the filter membranes are guaranteed not to be damaged due to overlarge stress, an electric lifting table 11 and a motor 12 are fixedly connected to the bottom of an inner cavity of the box body 2 from left to right in sequence, the electric lifting table 11 and the motor 12 are electrically connected with an external power source and are controlled through control switches respectively, a rotating column 16 is rotatably connected to the bottom of the inner cavity of the box body 2, a rotating disc 17 is fixedly connected to the top end of the rotating column 16, and the right side of the rotating disc 17 penetrates through the, the baffle plates 28 are fixedly connected on the right side of the inner cavity of the box body 2 and positioned above and below the rotary table 17, the top end of the rotary column 16 penetrates through the bottom of the baffle plate 28 below the rotary table 17 and extends to the top of the baffle plate 28 below the rotary table 17, the baffle plate 28 below the rotary table 17 provides a supporting function for the rotary table 17, the stability of the rotary table 17 is guaranteed when the rotary table 17 rotates, the two baffle plates 28 have a sealing effect on the contact position of the rotary table 17 and the box body 2, the outside air is prevented from entering the box body 2 and is prevented from being influenced by dust and impurities in the outside air, the placing grooves 18 are formed in the top of the rotary table 17, eight placing grooves 18 are formed in the placing grooves 18, the placing grooves 18 penetrate through the rotary table 17, the placing grooves 18 are trapezoidal grooves, filter membranes can be conveniently placed in the upper part grooves, the pressing blocks 15 can pass through the lower part grooves, the ring, eight fixed grooves 20 and eight rotating grooves 21 are arranged, the outer surface of the annular plate 19 is uniformly distributed in a staggered manner, the output end of the motor 12 is fixedly connected with a rotating plate 22, the top of the rotating plate 22 is sequentially and fixedly connected with a rotating rod 23 and a sector block 24 from left to right, the outer surface of the rotating rod 23 is movably connected with the inner surface of the rotating groove 21, when the rotating rod 23 is positioned in the rotating groove 21, the rotating rod 23 drives the annular plate 19 to rotate, the annular plate 19 drives the rotating disc 17 to rotate through the rotating column 16, the rotating disc 17 changes the position of the filter membrane to facilitate the replacement of the filter membrane, when the sector block 24 is positioned in the fixed groove 20, the annular plate 19 stops rotating to ensure the stability of the rotating disc 17 and the stability of the operation of the equipment, the top of the electric lifting platform 11 is fixedly connected with a second limiting cylinder 13, the inner surface of the second, the intercommunication groove has been seted up in the middle of briquetting 15, briquetting 15 when pressing from both sides tightly the filter membrane, the air can pass through briquetting 15, the intercommunication of guarantee equipment, the top of backup pad 1 just is located box 2 left side fixedly connected with air pump 26, the input intercommunication of air pump 26 has return bend 27, return bend 27 adopts soft materials, can remove in the certain limit, the right-hand member of return bend 27 runs through box 2 and extends to inside box 2, the inner chamber of return bend 27 and the inner chamber intercommunication of connecting pipe 14.

And those not described in detail in this specification are well within the skill of those in the art.

When the filter membrane cleaning device works, a filter membrane is placed in the placing groove 18 from the outer side of the box body 2, the motor 12 is started, the motor 12 drives the rotating rod 23 and the sector plate 24 to rotate through the rotating plate 22, when the rotating rod 23 is positioned in the rotating groove 21, the rotating rod 23 drives the ring plate 19 to rotate, the ring plate 19 drives the rotating disc 17 to rotate through the rotating column 16, the rotating disc 17 changes the position of the filter membrane, when the sector plate 24 is positioned in the fixing groove 20, the ring plate 19 stops rotating, when the placing groove 18 for placing the filter membrane is positioned right above the pressing block 15, the electric lifting platform 11 is opened, the electric lifting platform 11 drives the connecting pipe 14 and the end, connected with the connecting pipe 14, of the bent pipe 27 to move upwards through the second limiting cylinder 13, the connecting pipe 14 drives the pressing block 15 to move upwards, when the pressing block 15 enters the placing groove 18, the filter membrane is driven to move upwards, the pressing, the U-shaped rod 4 drives the annular plate 5 to move upwards, the annular plate 5 drives the tilting rod 6 to move upwards in a position contacted with the annular plate 5, when the tilting rod 6 moves, the moving rod 9 is driven to move, the moving rod 9 drives the first limiting cylinder 8 to slide in the limiting groove 7, so that the moving rod 9 keeps a vertical state, the tilting rod 6 extrudes the spring 10, under the action of the spring 10, one end, close to the pressing block 15, of the tilting rod 6 is close to the pressing block 15 and is in close contact with the bottom of the pressing block 15, at the moment, the electric lifting platform 11 is closed, under the action of the tilting rod 6, the pressing block 15 continues to move upwards, the pressing block 15 drives the connecting pipe 14 and the filter membrane to move upwards, the connecting pipe 14 slides inside the second limiting cylinder 13, the pressing block 15 drives the filter membrane to be in close contact with the bottom end of the air inlet pipe 3, the air pump 26 is, when needing to be changed, provide power through electric telescopic handle 25 and electronic elevating platform 11, make the briquetting 15 that carries the filter membrane move down, place the standing groove 18 to the filter membrane, provide power through motor 12, make carousel 17 rotate, move used filter membrane to the position of keeping away from briquetting 15, move unused filter membrane to briquetting 15 top simultaneously, press from both sides tight fixedly to the filter membrane according to the aforesaid to the tight mode of filter membrane clamp, accomplish the change of filter membrane.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides an air particulate matter sampling instrument's filter membrane clamping device, includes backup pad (1) and box (2), the top fixed connection of the top of backup pad (1) and box (2), its characterized in that: the improved structure of the electric lifting platform comprises a box body (2), wherein an air inlet pipe (3) and a U-shaped rod (4) sequentially penetrate through the top of the box body (2) from inside to outside, an annular rod (5) penetrates through the side face of the U-shaped rod (4), a warping rod (6) is sleeved on the outer surface of the annular rod (5), a limiting groove (7) is formed in the top of the box body (2), a first limiting barrel (8) is connected to the inner surface of the limiting groove (7) in a sliding mode, a moving rod (9) is connected to the inner surface of the first limiting barrel (8) in a sliding mode, a spring (10) is fixedly connected to the bottom of the spring (10) and the top of the warping rod (6) in a pressing mode, an electric lifting platform (11) and a motor (12) are sequentially and fixedly connected to the bottom of an inner cavity of the box body (2) from the left side to the right side, and a, the inner surface of the second limiting cylinder (13) is connected with a connecting pipe (14) in a sliding mode, and a pressing block (15) is fixedly connected to the top end of the connecting pipe (14).

2. The filter membrane clamping device of the air particulate matter sampling instrument as recited in claim 1, wherein: the bottom of box (2) inner chamber is rotated and is connected with and rotates post (16), the top fixedly connected with carousel (17) of rotating post (16), and the right side of carousel (17) runs through box (2) and extend to box (2) outside, standing groove (18) have been seted up at the top of carousel (17).

3. The filter membrane clamping device of the air particulate matter sampling instrument as recited in claim 2, wherein: the side face of the rotating column (16) is fixedly connected with a ring plate (19), and a fixing groove (20) and a rotating groove (21) are formed in the outer surface of the ring plate (19).

4. The filter membrane clamping device of the air particulate matter sampling instrument as recited in claim 1, wherein: the output fixedly connected with rotor plate (22) of motor (12), the top of rotor plate (22) is fixedly connected with dwang (23) and segment (24) from a left side to the right side in proper order, and the surface of dwang (23) and the internal surface swing joint who rotates groove (21).

5. The filter membrane clamping device of the air particulate matter sampling instrument as recited in claim 1, wherein: the top fixedly connected with electric telescopic handle (25) of box (2), the top of U type pole (4) internal surface and the output fixed connection of electric telescopic handle (25).

6. The filter membrane clamping device of the air particulate matter sampling instrument as recited in claim 1, wherein: the top of backup pad (1) just is located box (2) left side fixedly connected with air pump (26), the input intercommunication of air pump (26) has return bend (27), the right-hand member of return bend (27) runs through box (2) and extends to inside box (2), the inner chamber of return bend (27) and the inner chamber intercommunication of connecting pipe (14).

7. The filter membrane clamping device of the air particulate matter sampling instrument as recited in claim 2, wherein: the right side of box (2) inner chamber just is located carousel (17) top and the equal fixed connection baffle (28) in below, and rotates the top of post (16) and run through the bottom of carousel (17) below baffle (28) and extend to the top of carousel (17) below baffle (28).