CN220049367U - Laboratory stainless steel atomic absorption cover - Google Patents

Abstract

The utility model relates to the technical field of atomic absorption covers and discloses a laboratory stainless steel atomic absorption cover, which comprises a mounting plate, wherein an upper telescopic ventilation pipe is fixedly connected to the lower end face of the mounting plate, a filtering frame is fixedly connected to the lower end face of the upper telescopic ventilation pipe, a lower telescopic ventilation pipe is fixedly connected to the lower end face of the filtering frame, a mounting seat is fixedly connected to the lower end face of the lower telescopic ventilation pipe, an atomic cover is fixedly connected to the lower end face of the mounting seat, and telescopic cylinders are fixedly connected to the upper end faces of the mounting seat close to four corners. According to the utility model, the purpose of adjusting and using machines with different sizes can be achieved better through the integral height adjusting function of the device, the purpose of better multi-range use is achieved, and meanwhile, the function of conveniently replacing the end plate of the filter screen can be achieved, so that the function of better improving the filtering capacity of the device can be achieved, and the filter screen has better practicability and convenience.

Description

Laboratory stainless steel atomic absorption cover

Technical Field

The utility model relates to the technical field of atomic absorption covers, in particular to a laboratory stainless steel atomic absorption cover.

Background

The atomic absorption cover is mainly used for rapidly discharging small-range dust, hot gas, volatile gas, harmful gas and other small-particle suspended matters or gas generated in the experimental process, and is used for protecting the physical health of operators and surrounding personnel.

Most of the existing atomic absorption covers do not have a filtering function, various harmful gases are absorbed and then are directly discharged into the outdoor air or collected into a storage tank, a filter screen of the atomic absorption covers with the filtering function can be corroded by corrosive gases in the use process, the filter screen cannot be quickly replaced due to the installation mode of the filter screen, the filter screen with reduced filtering capacity is continuously used, harmful gases cannot be well filtered, and the existing device is of an integrated structure, so that the aim of drawing up for use cannot be achieved according to using machines of different sizes, and the effect of efficient use cannot be achieved. Accordingly, a laboratory stainless steel atomic absorption housing is provided by those skilled in the art to solve the problems set forth in the background above.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the laboratory stainless steel atomic absorption cover, which can achieve the aim of adjusting and using machines with different sizes better through the integral height adjusting function of the device, further achieve the aim of better multi-range use, and simultaneously achieve the function of improving the filtering capacity of the device better through the function of conveniently replacing the end plate of the filter screen, and has better practicability and convenience.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a laboratory stainless steel atom absorption cover, includes the mounting panel, the lower terminal surface fixedly connected with of mounting panel goes up flexible ventilation pipe, the lower terminal surface fixedly connected with filter frame of last flexible ventilation pipe, the lower terminal surface fixedly connected with of filter frame goes down flexible ventilation pipe, the lower terminal surface fixedly connected with mount pad of lower flexible ventilation pipe, the lower terminal surface fixedly connected with atomic cover of mount pad, the up end of mount pad is close to four corners department and all is fixedly connected with telescopic cylinder, a plurality of the movable groove has all been seted up to the up end of telescopic cylinder, a plurality of all activity are provided with the movable rod in the movable groove, a plurality of the upper end of movable rod all is fixedly connected with on the mounting panel, a plurality of the mounting groove has all been seted up to the front and back terminal surface of movable rod near lower department, a plurality of all is fixedly connected with reset spring in the mounting groove, a plurality of reset spring's the other end all is fixedly connected with lug, a plurality of the front and back terminal surface of telescopic cylinder all has seted up a plurality of spacing groove, a plurality of lug respectively block setting in corresponding spacing groove;

the front end face and the rear end face of the filter frame are fixedly connected with movable frames, one sides of the movable frames are provided with driving grooves, the inside of each driving groove is provided with an adjusting screw rod in a rotating mode, the outer walls of the two adjusting screws are sleeved with telescopic sleeves, one sides of the telescopic sleeves, far away from the movable frames, are fixedly connected with fixed frames, the inside of each fixed frame is fixedly connected with a fixed rod in a rotating mode, one sides of the fixed rods, far away from the fixed frames, are fixedly connected with clamping rods, one side of the filter frame is movably provided with a filter screen end plate, and the front part and the rear part of one side of the filter screen end plate are provided with clamping grooves;

through the technical scheme, the movable setting of movable rod in the movable groove can further achieve better stretching effect on the upper telescopic ventilation pipe and the lower telescopic ventilation pipe, so that the aim of integrally prolonging the device can be achieved, the aim of multi-range use is achieved, meanwhile, the sliding setting of the limiting sliding block in the limiting sliding groove can further achieve better fit effect of the movable rod in the movable groove, better limiting effect is achieved, the reset spring is enabled to compress the lug to move into the mounting groove by pressing the lug, the reset spring is enabled to reset the lug to move when the required position is regulated, the clamping effect on the limiting groove can be achieved, the adjusting screw rotates to achieve the aim of moving the telescopic sleeve, the telescopic sleeve moves to drive the fixed frame to move to achieve the aim of moving the clamping rod, the clamping rod is enabled to be separated from the clamping groove to achieve the aim of conveniently taking out and replacing the end plate, and the filter screen and the clamping groove are enabled to be clamped with each other through the reverse rotation of the rotating head after replacement, and further achieve better stable fixing effect on the end plate.

Further, one sides of the two adjusting screw rods far away from the fixed rod penetrate through the movable frame and are fixedly connected with rotating heads, and the outer surfaces of the two rotating heads are arranged in a V-shaped groove shape;

through above-mentioned technical scheme, through the swivel that sets up and then can reach the pivoted purpose of adjusting the lead screw to can reach better driving action.

Further, limiting sliding blocks are fixedly connected to the lower positions of two sides of the movable rods, limiting sliding grooves are formed in the front end face and the rear end face of the movable grooves, and the limiting sliding blocks are respectively arranged in the corresponding limiting sliding grooves in a sliding mode;

through above-mentioned technical scheme, the slip setting of spacing slider in spacing spout can then reach the better cooperation effect of movable rod in the movable groove thereby reaches better spacing effect.

Further, the upper end surfaces and the lower end surfaces of the two telescopic sleeves are fixedly connected with auxiliary sliding blocks, the upper end surfaces and the lower end surfaces of the two driving grooves are respectively provided with auxiliary sliding grooves, and a plurality of auxiliary sliding blocks are respectively arranged in the corresponding auxiliary sliding grooves in a sliding manner;

through above-mentioned technical scheme, through the slip setting of auxiliary slide block in auxiliary chute, then can reach the better spacing effect to the telescopic tube to reach better use purpose.

Further, the upper telescopic ventilation pipe and the lower telescopic ventilation pipe are both made of corrugated pipes;

through above-mentioned technical scheme, through last flexible ventilation pipe and the flexible ventilation pipe down of being supported by the bellows and then can reach better extension purpose of using.

Further, the two clamping rods are respectively clamped with the corresponding clamping grooves;

through above-mentioned technical scheme, the block setting of block pole and block groove can then reach better restriction effect to the filter screen end plate.

Further, the filter screen end plate is arranged in the filter frame in a clamping way;

through above-mentioned technical scheme, then can reach the better change effect to the filter screen end plate.

Further, the length of the limiting chute is smaller than that of the movable chute;

through above-mentioned technical scheme, and then can reach the better spacing effect to spacing slider, avoid the drop that causes.

The utility model has the following beneficial effects:

1. according to the laboratory stainless steel atomic absorption cover provided by the utility model, the movable rod is movably arranged in the movable groove, so that the better stretching effect on the upper telescopic ventilation pipe and the lower telescopic ventilation pipe can be achieved, the aim of integrally prolonging the device can be achieved, the aim of multi-range use is achieved, meanwhile, the sliding arrangement of the limit sliding block in the limit sliding groove can achieve the better fitting effect on the movable rod in the movable groove, the better limiting effect is achieved, the reset spring is compressed by pressing the lug to enable the lug to move into the mounting groove, and when the movable rod is adjusted to a required position, the reset spring is reset to enable the lug to move, so that the clamping effect on the limit groove can be achieved, and the aims of better stable limiting effect are achieved, and better adjustment, use and stable fixing are achieved.

2. According to the laboratory stainless steel atomic absorption cover provided by the utility model, the adjusting screw rod is rotated through the rotation of the counter-rotating head, so that the aim of moving the telescopic sleeve can be fulfilled, the telescopic sleeve moves to drive the fixing frame to move, so that the clamping rod can be moved, the clamping rod and the clamping groove are separated from each other, the aim of conveniently taking out and replacing the filter screen end plate can be fulfilled, the clamping rod and the clamping groove are mutually clamped through the counter-rotating head after the replacement is finished, and the better stable fixing effect on the filter screen end plate is achieved, so that better practicability is achieved.

3. According to the laboratory stainless steel atomic absorption cover provided by the utility model, the purpose of adjusting and using machines with different sizes can be better achieved through the integral height adjusting function of the device, the purpose of better multi-range use is further achieved, and meanwhile, the function of conveniently replacing the end plate of the filter screen can be further achieved, the function of better improving the filtering capacity of the device is further achieved, and the laboratory stainless steel atomic absorption cover has better practicability and convenience.

Drawings

FIG. 1 is a schematic front cross-sectional view of a laboratory stainless steel atomic absorption hood according to the present utility model;

FIG. 2 is a schematic side sectional view of a telescopic cylinder and movable rod connection of a laboratory stainless steel atomic absorption cover according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure at C of FIG. 2;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1;

FIG. 5 is an enlarged schematic view of the structure at B of FIG. 1;

fig. 6 is a schematic axial side view of the connection between the filter frame and the moving frame of the laboratory stainless steel atomic absorption cover according to the present utility model.

Legend description:

1. a mounting plate; 2. an upper telescopic ventilation pipe; 3. a filter frame; 4. a lower telescopic ventilation tube; 5. a mounting base; 6. an atomic cover; 7. a telescopic cylinder; 8. a movable groove; 9. a movable rod; 10. a mounting groove; 11. a return spring; 12. a bump; 13. a limit groove; 14. a limit sliding block; 15. limiting sliding grooves; 16. a driving groove; 17. adjusting a screw rod; 18. a telescoping sleeve; 19. an auxiliary slide block; 20. an auxiliary chute; 21. turning the head; 22. a filter screen end plate; 23. a clamping groove; 24. a fixed frame; 25. a fixed rod; 26. a clamping rod; 27. and moving the frame.

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. 1-6, one embodiment provided by the present utility model is: the utility model provides a laboratory stainless steel atomic absorption cover, including mounting panel 1, the lower terminal surface fixedly connected with of mounting panel 1 goes up flexible ventilation pipe 2, the lower terminal surface fixedly connected with of going up flexible ventilation pipe 2 filters frame 3, the lower terminal surface fixedly connected with of filtration frame 3 goes down flexible ventilation pipe 4, the lower terminal surface fixedly connected with mount pad 5 of lower flexible ventilation pipe 4, the lower terminal surface fixedly connected with atomic cover 6 of mount pad 5, the up end of mount pad 5 is close to four corners department all fixedly connected with telescopic cylinder 7, movable groove 8 has all been seted up to the up end of a plurality of telescopic cylinder 7, all activity is provided with movable rod 9 in a plurality of movable groove 8, the upper end of a plurality of movable rod 9 all is fixedly connected with on mounting panel 1, all set up mounting groove 10 has been seted up to the lower part of front and back terminal surface of a plurality of movable rod 9, all fixedly connected with reset spring 11 in a plurality of mounting grooves 10, the other end of reset spring 11 all is fixedly connected with lug 12, a plurality of limit grooves 13 have been seted up to the front and back terminal surface of a plurality of telescopic cylinder 7, a plurality of lug 12 block set up in corresponding limit groove 13 respectively;

the front end face and the rear end face of the filter frame 3 are fixedly connected with moving frames 27, driving grooves 16 are formed in one sides of the two moving frames 27, adjusting screw rods 17 are arranged in the two driving grooves 16 in a rotating mode, telescopic sleeves 18 are arranged on the outer walls of the two adjusting screw rods 17 in a sleeved mode, fixed frames 24 are fixedly connected to one sides of the two telescopic sleeves 18 away from the moving frames 27, fixed rods 25 are connected in the two fixed frames 24 in a rotating mode, clamping rods 26 are fixedly connected to one sides of the two fixed rods 25 away from the fixed frames 24, a filter screen end plate 22 is movably arranged on one side of the filter screen end plate 22, and clamping grooves 23 are formed in the front portion and the rear portion of one side of the filter screen end plate 22.

The two adjusting screw rods 17 penetrate through the movable frame 27 and are fixedly connected with the rotating heads 21 on one side far away from the fixed rod 25, V-shaped groove-shaped arrangement is adopted on the outer surfaces of the two rotating heads 21, the purpose of rotating the adjusting screw rods 17 can be achieved through the arranged rotating heads 21, thereby achieving better driving effect, the limiting slide blocks 14 are fixedly connected to the lower parts of the two sides of the movable rods 9, the limiting slide grooves 15 are respectively arranged on the front end face and the rear end face of the movable grooves 8, the limiting slide blocks 14 are respectively and slidably arranged in the corresponding limiting slide grooves 15, the sliding arrangement of the limiting slide blocks 14 in the limiting slide grooves 15 can achieve better fitting effect of the movable rods 9 in the movable grooves 8, the auxiliary slide blocks 19 are fixedly connected to the upper end face and the lower end face of the two telescopic sleeves 18, the upper and lower terminal surfaces of two drive slots 16 have all been seted up supplementary spout 20, a plurality of supplementary sliders 19 slide respectively and set up in supplementary spout 20 that correspond, go up flexible ventilation pipe 2 and flexible ventilation pipe 4 down and all adopt the bellows to make, go up flexible ventilation pipe 2 and flexible ventilation pipe 4 down through being supported by the bellows and then can reach better extension purpose of using, two block bars 26 set up with the block groove 23 block that corresponds respectively, the block setting of block bar 26 and block groove 23 then can reach better restriction effect to filter screen end plate 22, filter screen end plate 22 block sets up in the inside of filter frame 3, the length of spacing spout 15 is less than the length of movable groove 8, and then can reach better spacing effect to spacing slider 14, avoid the drop that causes.

Working principle: when the device is used, the movable setting of movable rod 9 in movable groove 8 can then reach the better stretching action to last flexible ventilation pipe 2 and flexible ventilation pipe 4 down, thereby can reach better purpose to the whole extension of device, thereby reach the purpose that uses in a plurality of ranges, simultaneously the slip setting of spacing slider 14 in spacing spout 15 can then reach the better cooperation effect of movable rod 9 in movable groove 8 thereby reach better limiting action, make reset spring 11 compression cause lug 12 to remove to the mounting groove 10 through pressing lug 12, reset spring 11 resets when adjusting to required position and make lug 12 remove and then can reach the block effect to spacing groove 13 thereby reach better stability limiting action, through the rotation to rotating head 21, make adjusting screw 17 rotate and then can reach the purpose to telescopic sleeve 18 remove, telescopic sleeve 18 removes and drives fixed frame 24 and remove and then can reach the removal to block pole 26, make block pole 26 and block groove 23 each other break away from in the mounting groove 10, and then can reach the mutual end plate 22 and conveniently take out after the relative end plate 22 has been changed through the reverse rotation of rotating head 21, make the block pole 26 and then reach the mutual end plate 22 and finish the purpose of fixing.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. Laboratory stainless steel atomic absorption cover, including mounting panel (1), its characterized in that: the lower end face of the mounting plate (1) is fixedly connected with an upper telescopic ventilation pipe (2), the lower end face of the upper telescopic ventilation pipe (2) is fixedly connected with a filtering frame (3), the lower end face of the filtering frame (3) is fixedly connected with a lower telescopic ventilation pipe (4), the lower end face of the lower telescopic ventilation pipe (4) is fixedly connected with a mounting seat (5), the lower end face of the mounting seat (5) is fixedly connected with an atomic cover (6), the upper end face of the mounting seat (5) is close to four corners and is fixedly connected with telescopic drums (7), movable grooves (8) are formed in the upper end faces of the telescopic drums (7), movable rods (9) are movably arranged in the movable grooves (8), the upper ends of the movable rods (9) are fixedly connected to the mounting plate (1), mounting grooves (10) are formed in the positions, close to the lower ends of the front end faces and the rear end faces of the movable rods (9), reset springs (11) are fixedly connected with reset springs (12), and the other ends of the reset springs (11) are fixedly connected with corresponding limiting lugs (13) and are arranged in the limiting grooves (13) respectively;

the utility model discloses a filter frame, including filter frame (3), fixed frame (24) of all fixedly connected with, two in the front and back terminal surface of filter frame (3) remove one side of frame (27) all has offered drive slot (16), two all rotate in drive slot (16) and be provided with accommodate the lead screw (17), two all the thread bush is equipped with telescopic tube (18) on the outer wall of accommodate the lead screw (17), two one side that telescopic tube (18) kept away from remove frame (27) is all fixedly connected with fixed frame (24), two all rotate in fixed frame (24) and be connected with dead lever (25), two one side that fixed frame (24) were kept away from to dead lever (25) is all fixedly connected with block pole (26), one side activity of filter frame (3) is provided with filter screen end plate (22), one side of filter screen end plate (22) is close to front and back department all has seted up block groove (23).

2. A laboratory stainless steel atomic absorption cover according to claim 1, wherein: one side of each adjusting screw rod (17) far away from the fixing rod (25) penetrates through the movable frame (27) and is fixedly connected with the rotary head (21), and the outer surfaces of the two rotary heads (21) are arranged in a V-shaped groove shape.

3. A laboratory stainless steel atomic absorption cover according to claim 1, wherein: limiting sliding blocks (14) are fixedly connected to the lower portions of two sides of the movable rods (9), limiting sliding grooves (15) are formed in the front end face and the rear end face of the movable grooves (8), and the limiting sliding blocks (14) are respectively and slidably arranged in the corresponding limiting sliding grooves (15).

4. A laboratory stainless steel atomic absorption cover according to claim 1, wherein: the upper end surfaces and the lower end surfaces of the two telescopic sleeves (18) are fixedly connected with auxiliary sliding blocks (19), the upper end surfaces and the lower end surfaces of the two driving grooves (16) are provided with auxiliary sliding grooves (20), and a plurality of auxiliary sliding blocks (19) are respectively and slidably arranged in the corresponding auxiliary sliding grooves (20).

5. A laboratory stainless steel atomic absorption cover according to claim 1, wherein: the upper telescopic ventilation pipe (2) and the lower telescopic ventilation pipe (4) are made of corrugated pipes.

6. A laboratory stainless steel atomic absorption cover according to claim 1, wherein: the two clamping rods (26) are respectively clamped with the corresponding clamping grooves (23).

7. A laboratory stainless steel atomic absorption cover according to claim 1, wherein: the filter screen end plate (22) is clamped and arranged in the filter frame (3).

8. A laboratory stainless steel atomic absorption cover according to claim 3, wherein: the length of the limiting sliding groove (15) is smaller than that of the movable groove (8).