CN212619016U

CN212619016U - Side wall exhaust device of negative pressure operating room

Info

Publication number: CN212619016U
Application number: CN202020926013.2U
Authority: CN
Inventors: 李永申
Original assignee: Zhejiang Shunye Purification Technology Co ltd
Current assignee: Zhejiang Shunye Purification Technology Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-02-26
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a negative pressure operating room side wall exhaust device, including the air exit, the air exit includes the casing, and the air intake has been seted up to casing one end, and the air outlet has been seted up to the other end, and air intake and air outlet all communicate with the casing is inside, are provided with flange on the air intake, are provided with on the flange and have an open-ended filter mantle, and a plurality of filtration pores of crossing have been seted up to the filter mantle bottom, and the casing is inside to be provided with filtering component, and filtering component includes the connecting rod and sets up a plurality of absorption otter. The utility model has the advantages that: the utility model discloses be provided with filter mantle and filter assembly inside the air exit, can effectively purify the air, and owing to be provided with locking piece and locking cover for filter mantle and filter assembly become convenient simple at the inside dismouting of casing, then can regularly pull down filter mantle and filter assembly and clear up, guarantee exhaust device's air purification effect all the time.

Description

Side wall exhaust device of negative pressure operating room

Technical Field

The utility model relates to an air conditioning equipment technical field specifically is negative pressure operating room lateral wall exhaust device.

Background

The operating room is a place for providing operations and rescue for patients and is an important technical department of hospitals.

At present, the existing operation of infection needs to be carried out in a negative pressure operating room, and the national standard 'architectural design code of clean operating department of hospital' and 'architectural design code of infectious disease hospital' both require that a high-efficiency filter is required to be arranged in an air outlet of the operating room when the operation is carried out under negative pressure.

The utility model discloses a utility model patent that bulletin number is CN206846986U discloses a negative pressure operating room side wall exhaust device, including the filter install bin, the wind gap of filter install bin sets up the wind gap outline, and the inboard of wind gap outline sets up activity tripe wind gap frame, and fixed activity tripe on the activity tripe wind gap frame installs plate filter in the filter install bin, the wind gap outline is equipped with the arch with the surface of filter install bin cooperation connecting portion, and the rear portion at both ends is equipped with the draw-in groove respectively about the face of wind gap outline. The filter of the exhaust device is fixed reliably, the sealing is good, the side leakage can not be generated during the work, but the defects still exist: because the plate filter that plays the filtering role is fixed in the filter mounting box, when the plate filter needs to be cleaned due to long-term use, the plate filter is very inconvenient to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a negative pressure operating room side wall exhaust device which is convenient for disassembling and assembling the filter cover and the filter component for solving the problems.

The utility model realizes the above purpose by the following technical proposal, the negative pressure operating room side wall air exhaust device comprises an air exhaust port, the air exhaust port comprises a shell, one end of the shell is provided with an air inlet, the other end is provided with an air outlet, the air inlet and the air outlet are both communicated with the inside of the shell, the air inlet is provided with a connecting flange, the connecting flange is provided with a filter cover with an opening, the bottom of the filter cover is provided with a plurality of filter holes, the inside of the shell is provided with a filter assembly, the filter assembly comprises a connecting rod and a plurality of adsorption net plates arranged on the connecting rod, the connecting rod is rotatably connected with a locking block, the locking block is cylindrical, the bottom wall in the filter cover is provided with a locking sleeve for embedding the locking block, the inner peripheral wall of the locking sleeve is vertically provided with an inserting groove, the inner peripheral, the ring channel communicates with the slot, be provided with on the periphery wall of locking piece and be used for card in proper order to go into slot, the inside stopper of ring channel.

By adopting the technical scheme, when the exhaust device of the utility model is used, the air outlet can be fixed on the side wall of the negative pressure operating room, and then the air in the negative pressure operating room can enter through the air inlet and is discharged from the air outlet, in the process, the air can filter out large-particle impurities through the filter cover and then adsorb small-particle impurities through the adsorption net plates, thereby ensuring the air purification effect of the device, wherein, as the lock block is rotationally connected on the connecting rod, and the lock sleeve for embedding the lock block is arranged on the inner bottom wall of the filter cover, when the filter cover and the filter component are installed, the whole filter component can be firstly installed in the shell, then the filter cover is installed in the air inlet and fixed on the connecting flange, so that the lock block on the connecting rod is just embedded in the lock sleeve, and meanwhile, the limit block slot is clamped and slides to the communication position of the slot and the annular groove, rotate the locking piece this moment, can drive the stopper and carry out the circumferential rotation thereupon and block inside the ring channel, then through the spacing locking of ring channel to the stopper, can be in the same place filter mantle and filtering component fixed connection, realize filter mantle and filtering component installation, the operation is comparatively convenient simple, then when needs with filter mantle and filtering component from casing inside dismantlement, only need rotate the locking piece, make the stopper deviate from through the slot, can be with locking cover and locking piece separation, high durability and convenient operation, can regularly pull down filter mantle and filtering component and clear up, guarantee exhaust device's air purification effect all the time.

As a further setting of the utility model, the filter mantle is including setting up the caulking rim in opening border department, flange offers the caulking groove that is used for the caulking rim embedding in the one side that deviates from the casing.

Through adopting above-mentioned technical scheme, because the filter mantle is including setting up the caulking rim in opening border department, and seted up the caulking groove in the one side that flange deviates from the casing, then when packing the filter mantle into the air intake inside, can be with the caulking rim embedding caulking groove, then spacing fixed to the caulking rim through the caulking groove for the installation of filter mantle on flange becomes more firm, is difficult for dropping, and the dismouting is comparatively convenient.

As a further setting of the utility model, the fillet bottom is provided with a plurality of locating pins, set up a plurality of locating holes that are used for locating pin male on the caulking groove diapire.

Through adopting above-mentioned technical scheme, owing to be provided with a plurality of locating pins bottom the caulking groove, and set up a plurality of locating holes that are used for locating pin male on the caulking groove diapire, then when embedding the caulking groove with the caulking groove, can insert the locating hole with the locating pin earlier, then spacing through locating hole to the locating pin can provide prepositioning to the caulking groove embedding caulking groove for the embedding of caulking groove becomes more light simple.

As a further setting of the utility model, it is provided with the filter screen to lie in the opening part on the filter mantle, the mesh aperture of filter screen is greater than the aperture of filtration pore.

Through adopting above-mentioned technical scheme, owing to be located the opening part on the filter mantle and be provided with the filter screen, and the mesh aperture of filter screen is greater than the aperture of filtration pore, then the filter screen uses with the filter mantle cooperation, can play dual filterable effect, can seal the opening again, promotes the structural integrity of air exit.

As a further setting of the utility model, the filter screen bottom is provided with the nest that the round is used for imbedding the filter mantle inside, nested adoption rubber materials makes.

Through adopting above-mentioned technical scheme, owing to be provided with the nested of round inside being used for imbedding the filter mantle bottom the filter screen, and nested rubber materials of adopting makes, elasticity is better, then when packing into the filter mantle with the filter screen, can be earlier with nested embedding filter mantle, can take place elastic compression when nested imbedding, and then can elastic stretching after embedding completely to make nested outer wall and the inner wall of filter mantle opening part laminate firmly, fix the filter screen on the filter mantle, be difficult for dropping, and it is comparatively convenient to install and dismantle.

As a further setting of the utility model, adsorb the otter board and include the frame and set up the active carbon adsorption net inside the frame, all be provided with the fixture block on the both sides outer wall of frame, all offer the draw-in groove that is used for the fixture block card to go into along linear direction on the both sides inner wall of casing.

Through adopting above-mentioned technical scheme, because adsorb the otter board and include the frame and set up the active carbon adsorption net in the frame inside, and all be provided with the fixture block on the both sides outer wall of frame, all offer the draw-in groove that is used for the fixture block card to go into along the rectilinear direction on the both sides inner wall of casing, then when packing filter assembly into the casing inside, can aim at the draw-in groove card with the fixture block and go into, spacing through the draw-in groove to the fixture block, can fix inside the casing adsorbing the otter board, be difficult for rocking to filter assembly's fixed effect has effectively been guaranteed.

As a further arrangement of the present invention, the locking block is provided with a knob in the side deviating from the connecting rod.

Through adopting above-mentioned technical scheme, owing to be provided with the knob in the locking piece deviates from the one side of connecting rod, then can drive the locking piece through rotating the knob and rotate, the setting of knob can provide the application of force point for rotating the locking piece to make the operation of rotating the locking piece become more light laborsaving.

As a further arrangement of the utility model, the shell is made of stainless steel material.

By adopting the technical scheme, the shell is made of stainless steel, so that the shell has higher strength and hardness and is not easy to deform, and the stainless steel has good corrosion resistance, so that the service life of the shell is greatly prolonged.

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

the utility model discloses when using, can fix the air exit on the negative pressure operating room side wall, then the inside air of negative pressure operating room can get into through the air intake, and discharge by the air outlet, in this process, the air can filter out the impurity of large granule through the filter mantle earlier, adsorb the small granule impurity through a plurality of absorption otter boards again, thereby the purifying effect of the device corresponding air has been guaranteed, wherein, owing to be provided with locking piece and locking cover, can be in the same place filter mantle and filter element fixed connection, realize filter mantle and filter element installation, the operation is comparatively convenient simple, then when needs with filter mantle and filter element from the casing inside dismantlement, only need to overlap locking and locking piece separation, high durability and convenient operation, can regularly pull down filter mantle and filter element and clear up, guarantee exhaust device's air purification effect all the time.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the housing and the filter assembly of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;

FIG. 5 is a half-sectional view of the present invention;

FIG. 6 is an enlarged view of the structure at B in FIG. 5;

fig. 7 is a schematic structural view of the filter cover of the present invention.

Reference numerals: 1. a housing; 2. an air inlet; 3. an air outlet; 4. a connecting flange; 5. a filter housing; 6. a filtration pore; 7. a connecting rod; 8. adsorbing the screen plate; 81. a frame; 82. an activated carbon adsorption net; 9. a locking block; 10. a locking sleeve; 11. a slot; 12. an annular groove; 13. a limiting block; 14. embedding edges; 15. caulking grooves; 16. positioning pins; 17. positioning holes; 18. a filter screen; 19. nesting; 20. a clamping block; 21. a card slot; 22. a knob.

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. 1-7, the negative pressure operation room side wall air exhaust device includes an air exhaust port, the air exhaust port includes a housing 1, the housing 1 is made of stainless steel material, one end of the housing 1 is provided with an air inlet 2, the other end is provided with an air outlet 3, the air inlet 2 and the air outlet 3 are both communicated with the interior of the housing 1, the air inlet 2 is provided with a connecting flange 4, the connecting flange 4 is provided with a filter cover 5 having an opening, the bottom of the filter cover 5 is recessed towards the interior of the housing 1, and the bottom of the filter cover 5 is provided with a plurality of filter holes 6, the filter cover 5 includes an embedded edge 14 disposed at the edge of the opening, a caulking groove 15 for embedding the embedded edge 14 needs to be disposed on the side of the connecting flange 4 departing from the housing 1, and a plurality of positioning pins 16 need to be disposed at the bottom of the embedded edge 14, the positioning pins 16 are cylindrical, and, still need to be located the opening part on filter mantle 5 and set up filter screen 18, and the mesh aperture of filter screen 18 is greater than the aperture of filtration pore 6, need to set up the nested 19 that the round is used for imbedding the inside of filter mantle 5 in filter screen 18 bottom, and nested 19 adopts rubber materials to make, the inside filter assembly that still is provided with of casing 1, filter assembly includes connecting rod 7 and a plurality of absorption otter board 8 of setting on connecting rod 7, the tip of connecting rod 7 rotates and is connected with locking piece 9, locking piece 9 is cylindrical, and be provided with knob 22 on the one side that locking piece 9 deviates from connecting rod 7, be provided with the locking cover 10 that is used for locking piece 9 embedding on the diapire in filter mantle 5, and vertically seted up slot 11 on the internal perisporium of locking cover 10, circular channel 12 has been seted up on the internal perisporium of locking cover 10, and circular channel 12 communicates with slot 11, be provided with on the periphery, The annular groove 12 is locked at the limiting block 13 inside the annular groove 12, wherein the adsorption net plate 8 comprises a frame 81 and an activated carbon adsorption net 82 arranged inside the frame 81, the outer walls of the two sides of the frame 81 are both provided with a clamping block 20, and the inner walls of the two sides of the shell 1 are both provided with clamping grooves 21 along the linear direction for clamping the clamping block 20.

When the exhaust device of the utility model is used, the air outlet can be fixed on the side wall of the negative pressure operating room, the air in the negative pressure operating room can enter through the air inlet 2 and is discharged from the air outlet 3, in the process, the air can filter out large-particle impurities through the filter cover 5 firstly and then can absorb small-particle impurities through the adsorption net plates 8, thereby ensuring the air purifying effect of the device, wherein, because the locking block 9 is rotationally connected on the connecting rod 7, and the locking sleeve 10 for embedding the locking block 9 is arranged on the inner bottom wall of the filter cover 5, when the filter cover 5 and the filter component are installed, the whole filter component can be firstly installed in the shell 1, then the filter cover 5 is installed in the air inlet 2 and fixed on the connecting flange 4, so that the locking block 9 on the connecting rod 7 is just embedded in the locking sleeve 10, and simultaneously, the limiting block 13 is clamped into the slot 11 and slides to the communication position of the slot 11 and the ring groove 12, rotate locking piece 9 this moment, can drive stopper 13 and carry out the circumferential rotation thereupon and block into inside the ring channel 12, then through ring channel 12 to stopper 13 spacing locking, can be in the same place filter mantle 5 and filtering component fixed connection, realize the filter mantle 5 and the filtering component installation, the operation is comparatively convenient simple, then when needs follow 1 internal dismantlement of casing with filter mantle 5 and filtering component, only need to rotate locking piece 9, make stopper 13 deviate from through slot 11, can separate locking cover 10 and locking piece 9, high durability and convenient operation, can regularly pull down filter mantle 5 and filtering component and clear up, guarantee exhaust device's air purification effect all the time.

Because the filter cover 5 includes the fillet 14 that sets up in opening border department, and seted up the caulking groove 15 on the one side that flange 4 deviates from casing 1, then when packing filter cover 5 into inside air intake 2, can imbed fillet 14 caulking groove 15, then spacing fixed to fillet 14 through caulking groove 15, make the installation of filter cover 5 on flange 4 become more firm, be difficult for dropping, and the dismouting is comparatively convenient, and because be provided with a plurality of locating pins 16 in fillet 14 bottom, and set up a plurality of locating holes 17 that are used for locating pin 16 to insert on caulking groove 15 diapire, then when imbedding fillet 14 embedding caulking groove 15, can insert locating pin 16 into locating hole 17 earlier, then spacing to locating pin 16 through locating hole 17, can provide prepositioning to fillet 14 embedding caulking groove 15, make the embedding of fillet 14 become light simple.

Because the filter screen 18 is arranged at the opening of the filter cover 5, and the aperture of the mesh of the filter screen 18 is larger than that of the filter hole 6, the filter screen 18 is matched with the filter cover 5 for use, so that the double-filtering effect can be achieved, the opening can be closed, the structural integrity of the air outlet is improved, and a circle of nesting 19 used for being embedded into the filter cover 5 is arranged at the bottom of the filter screen 18, the nesting 19 is made of rubber materials, the elasticity is good, when the filter screen 18 is installed into the filter cover 5, the nesting 19 can be embedded into the filter cover 5 firstly, the nesting 19 can be elastically compressed when being embedded, and can be elastically extended after being completely embedded, so that the outer wall of the nesting 19 is firmly attached to the inner wall of the opening of the filter cover 5, the filter screen 18 is fixed on the filter cover 5, the filter screen is not.

Because adsorb otter board 8 and include frame 81 and set up at the inside active carbon adsorption net 82 of frame 81, and all be provided with fixture block 20 on the both sides outer wall of frame 81, draw-in groove 21 that is used for fixture block 20 card to go into is all offered along the rectilinear direction on the both sides inner wall of casing 1, then when packing filter assembly into casing 1 inside, can aim at draw-in groove 21 card with fixture block 20 and go into, it is spacing to fixture block 20 through draw-in groove 21, can fix adsorption otter board 8 inside casing 1, be difficult for rocking, thereby effectively guaranteed the fixed effect to filter assembly.

Because be provided with knob 22 on the one side that the locking piece 9 deviates from connecting rod 7, then can drive locking piece 9 through rotating knob 22 and rotate, knob 22's setting can provide the application of force point for rotating locking piece 9 to make the operation of rotating locking piece 9 become more light laborsaving.

The shell 1 is made of stainless steel, so that the shell has high strength and hardness and is not easy to deform, and the stainless steel has good corrosion resistance, so that the service life of the shell 1 is greatly prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Negative pressure operating room side wall exhaust device, including the air exit, its characterized in that: the exhaust outlet comprises a shell (1), one end of the shell (1) is provided with an air inlet (2), the other end of the shell is provided with an air outlet (3), the air inlet (2) and the air outlet (3) are communicated with the inside of the shell (1), the air inlet (2) is provided with a connecting flange (4), the connecting flange (4) is provided with a filter cover (5) with an opening, the bottom of the filter cover (5) is provided with a plurality of filter holes (6), the shell (1) is internally provided with a filter assembly, the filter assembly comprises a connecting rod (7) and a plurality of adsorption net plates (8) arranged on the connecting rod (7), the connecting rod (7) is rotatably connected with a locking block (9), the locking block (9) is cylindrical, and the inner bottom wall of the filter cover (5) is provided with a locking sleeve (10) for embedding the locking block (9), slot (11) have vertically been seted up on the internal perisporium of locking cover (10), ring channel (12) have been seted up to circumference on the internal perisporium of locking cover (10), ring channel (12) and slot (11) intercommunication, be provided with on the periphery wall of locking piece (9) and be used for going into in proper order card and go into inside stopper (13) of slot (11), ring channel (12).

2. The negative pressure operating room side wall exhaust device according to claim 1, wherein: the filter cover (5) comprises a caulking edge (14) arranged at the edge of the opening, and a caulking groove (15) used for embedding the caulking edge (14) is formed in one surface, deviating from the shell (1), of the connecting flange (4).

3. The negative pressure operating room side wall exhaust device according to claim 2, wherein: the bottom of the embedded edge (14) is provided with a plurality of positioning pins (16), and the bottom wall of the embedded groove (15) is provided with a plurality of positioning holes (17) for inserting the positioning pins (16).

4. The negative pressure operating room side wall exhaust device according to claim 1, wherein: a filter screen (18) is arranged at the opening of the filter cover (5), and the aperture of the mesh of the filter screen (18) is larger than that of the filter hole (6).

5. The negative pressure operating room side wall exhaust device according to claim 4, wherein: the bottom of the filter screen (18) is provided with a circle of nesting (19) which is embedded into the filter cover (5), and the nesting (19) is made of rubber materials.

6. The negative pressure operating room side wall exhaust device according to claim 1, wherein: adsorb otter board (8) and include frame (81) and set up at inside active carbon adsorption net (82) of frame (81), all be provided with fixture block (20) on the both sides outer wall of frame (81), draw-in groove (21) that are used for fixture block (20) card to go into are all seted up along the rectilinear direction on the both sides inner wall of casing (1).

7. The negative pressure operating room side wall exhaust device according to claim 1, wherein: and a knob (22) is arranged on one surface of the locking block (9) deviating from the connecting rod (7).

8. The negative pressure operating room side wall exhaust device according to claim 1, wherein: the shell (1) is made of stainless steel materials.