CN214434638U - Aerial fog collecting cover - Google Patents

Abstract

The utility model relates to a cover is collected to aerial fog, including the outer housing, the upper segment is provided with the inner cover plate in the opening part of outer housing, the rear end junction of outer housing is provided with the connecting pipe, and the front end of connecting pipe is inserted and is located in the outer housing, and the rear end of connecting pipe stretches out to the outer housing rear, be provided with the drainage manger plate eaves of an oblique upper right side on the outer housing inner wall of the corresponding department in connecting pipe front end below, be provided with a plurality of outer fringe inspiration slotted holes and a plurality of interior suction hole on the inner cover plate, the base of inner cover plate is provided with limit baffle downwards, the opening part hypomere of outer housing is provided with can dismantle the ponding box of connection, the ponding box has two ponding grooves that the opening makes progress. The utility model provides a cover is collected to aerial fog is used for assembling dentistry negative pressure aerial fog sterilizer, can collect fast and keep apart and carry out developments, safety, thorough disinfection purification treatment to a large amount of aerosol that produce and the gas of patient's exhalation when the dentistry patient treats, has timely convenient and safe efficient advantage.

Description

Aerial fog collecting cover

Technical Field

The utility model relates to a cover is collected to aerial fog for dentistry negative pressure aerial fog sterilizing machine belongs to medical disinfecting apparatus field.

Background

At present, the spreading speed of infectious diseases is very high, particularly, infectious sources are spread through air, spray, aerosol and the like, and oral, nasal and respiratory infectious diseases seriously threaten high-risk groups, particularly the health of medical care personnel. When a clinical dentist carries out treatment on a dental patient and the respiratory tract infectious patient is rescued, the risk of exhaled gas and coughed aerosol infection of the patient is the greatest, the medical care personnel only protect the respiratory tract infectious diseases and the aerosol by using a mask, and no effective protection means exists all the time. The dynamic air sterilizer widely used clinically at present can only sterilize the whole room, can achieve certain effect after repeated circulation, and cannot meet the clinical requirements at present. Therefore, it is necessary to find a method for dynamically, safely and thoroughly sterilizing the aerosol and infectious sources of respiratory infectious diseases generated during the treatment of dental patients in a short time, and the method has important clinical significance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough, provide a cover is collected to aerial fog for equipment dentistry negative pressure aerial fog sterilizing machine can be to the gas of a large amount of aerosols that produce and patient's exhalation when dentistry patient's treatment, carries out quick collection and keeps apart and carry out developments, safety, thorough disinfection purification treatment, in time convenient and safe high-efficient.

The purpose of the utility model is realized like this:

an aerosol collecting cover comprises an outer cover shell, wherein the outer cover shell is provided with a horn opening which inclines downwards, an inner cover plate is arranged at the middle upper section of the opening of the outer cover shell, the inner cover plate retracts a certain distance relative to the outer edge of the opening of the outer cover shell, a positive-negative ion generator is arranged on the back surface of the inner cover plate, a connecting pipe is arranged at the joint of the rear end of the outer cover shell, the front end of the connecting pipe is inserted into the outer cover shell, the rear end of the connecting pipe extends to the rear side of the outer cover shell, a drainage water retaining brim which inclines to the upper right is arranged on the inner wall of the outer cover shell at the corresponding position below the front end of the connecting pipe, an arc notch is arranged at the bottom of the inner cover plate, a plurality of outer edge air suction slotted holes which are annularly arranged are arranged on the annular edge of the front outer edge of the inner cover plate, a plurality of inner air suction slotted holes which are linearly arranged at intervals are arranged on the outer edge, and the inner air suction slotted holes and the inner air suction holes form a circle, the base of inner cover plate is provided with limit baffle downwards, the opening part hypomere of outer housing is provided with can dismantle the ponding box of connection, the ponding box has two ponding grooves that the opening makes progress, and two ponding grooves are interior ponding groove and outer ponding groove respectively, the baffle in the middle of interior ponding groove and the outer ponding groove is called the location division board, and the baffle is called interior baffle in addition of the inboard of interior ponding groove, and the baffle is called outer baffle in addition in the outer ponding groove outside.

Preferably, the rear end of the connecting pipe is provided with a sealing ring groove backwards, and the front end of the front hose is inserted into the sealing ring groove.

Preferably, the outer edge suction slot holes are narrow slot type holes arranged at intervals.

Preferably, the front surface of the limit baffle is provided with a first magnet, and the back surface of the positioning partition plate is provided with a second magnet.

Preferably, the bell-mouth outer ring of the outer casing is provided with a bearing platform, and the lower end of the water accumulation box is placed on the bottom bearing platform of the outer casing.

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

the utility model relates to a cover is collected to aerial fog for the equipment dentistry negative pressure aerial fog sterilizing machine, the gas of a large amount of aerosols that can produce when treating dentistry patient and patient's exhalation carries out the quick collection isolation, and carry out developments, safety, thorough disinfection purification treatment, have in time convenient and safe efficient advantage.

Drawings

Fig. 1 is a schematic structural view of a dental negative pressure aerosol sterilizer.

Fig. 2 is a schematic view of fig. 1 with the host housing portion removed.

FIG. 3 is a schematic view of a balanced gimbal arrangement.

Fig. 4 is a cross-sectional view of a balanced gimbal assembly.

Fig. 5 is a sectional view of the balanced gimbal assembly in another state.

Fig. 6 is a schematic view of a cam plate.

Fig. 7 is a cross-sectional view of the cam plate.

Figure 8 is a schematic view of an aerosol collection hood.

Fig. 9 is a schematic view of fig. 8 with the inner shroud and the water retention box removed.

Figure 10 is a cross-sectional view of an aerosol collection hood.

Fig. 11 is a partially enlarged view of fig. 10 at a.

Wherein:

main chassis 1

Main unit handle 2

Rear hose 3

Vertical supporting tube 4

Balance universal joint device 5, support plate 5.1, spring shaft 5.2, longitudinal rotation shaft 5.3, damping sheet 5.4, torsion spring 5.5, cam plate 5.6, mounting section 5.61, embedding section 5.62, adjusting section 5.63, cam section 5.64, cam upper section 5.641, cam lower section 5.642, inflection point 5.643, cam tightening section 5.644, vertical rotation shaft 5.7, fastening screw 5.8 and pressure regulating jackscrew 5.9

Hard arm tube 6

Front hose 7

Cover handle 8

The device comprises an aerosol collecting cover 9, an outer cover shell 9.1, a connecting pipe 9.11, a sealing ring groove 9.12, an inner cover plate 9.2, an outer edge air suction groove hole 9.21, an inner air suction hole 9.22, a limit baffle plate 9.23, a first magnet 9.24, a water accumulation box 9.3, an inner water accumulation groove 9.31, an outer water accumulation groove 9.32, a positioning partition plate 9.33, an inner baffle plate 9.34, an outer baffle plate 9.35, a second magnet 9.36, a positive and negative ion generator 9.4 and a drainage water retaining brim 9.5

Display screen 10

Caster 11

Locking sleeve 12

Along the lower guide tube 13

Ultraviolet lamp tube 14

Primary net 15

High efficiency strainer 16

Turbo fan 17

An electronic control box 18.

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. 1-11, the utility model relates to a dental negative pressure aerosol sterilizer, which comprises a main case 1, a main handle 2 is arranged on the main case 1, a vertical lower guide tube 13 is arranged at the upper section in the main case 1, the top of the lower guide tube 13 is arranged at the top surface of the main case 1, a locking sleeve 12 is arranged at the top of the lower guide tube 13, a vertical support tube 4 is arranged in the lower guide tube 13, the vertical support tube 4 can slide up and down along the lower guide tube 13 and can be locked by the locking sleeve 12, the top height of the support tube 4 can be adjusted by adjusting the locking sleeve 12, a balance universal joint device 5 is arranged at the top of the support tube 4, a hard arm tube 6 is arranged on the balance universal joint device 5, the rear end of the hard arm tube 6 is connected with a downward rear hose 3 through an elbow seal, the lower end of the rear hose 3 extends into the main case 1 from the top of the main case 1, the front end of the hard arm pipe 6 is hermetically connected with a front hose 7, the front end of the front hose 7 is connected with an aerosol collecting cover 9, and a cover handle 8 is arranged at the joint of the front hose 7 and the aerosol collecting cover 9; the side of host computer shell 1 is provided with display screen 10, the bottom of host computer shell 1 is provided with truckle 11, middle section in the host computer shell 1 is provided with from last ultraviolet tube 14, the just net 15 of imitating, high-efficient filter screen 16 and the turbofan 17 of arranging down in proper order, hypomere in the host computer shell 1 is provided with automatically controlled box 18.

The balance universal joint device 5 comprises a vertical rotating shaft 5.7 and a vertical rotating shaft 5.7, the balance universal joint device is vertically arranged in an upper end hole of the vertical supporting tube 4, the vertical rotating shaft 5.7 can rotate in the upper end hole of the vertical supporting tube 4, a longitudinal hole is formed in the upper end of the vertical rotating shaft 5.7, a longitudinal rotating shaft 5.3 is arranged in the longitudinal hole, a transverse support plate 5.1 is arranged above the vertical rotating shaft 5.7, the support plate 5.1 is rotatably connected with the vertical rotating shaft 5.7 through the longitudinal rotating shaft 5.3, a damping sheet 5.4 is sleeved on the longitudinal rotating shaft 5.3 between the vertical rotating shaft 5.7 and the support plate 5.1, a cam plate 5.6 is arranged on the right side of the vertical rotating shaft 5.7, the cam plate 5.6 comprises a vertical mounting section 5.61, a leftward embedding section 5.62 is arranged at the top of the mounting section 5.61, an adjusting section 5.63 is obliquely arranged on the lower side of the right lower end of the mounting section 5.61, a rightward protruding cam section 5.63 rightwards is arranged on the lower end of the adjusting section 5.64, the mounting section 5.61 of the cam plate 5.6 is fixed on the right side wall of the upper section of the vertical rotating shaft 5.7 through a leftward fastening screw 5.8, the right side wall of the upper section of the vertical rotating shaft 5.7 is provided with an embedding groove, the embedding section 5.62 of the cam plate 5.6 is embedded in the embedding groove, the cam section 5.64 comprises an upper cam section 5.641, a lower cam section 5.642, an inflection point 5.643 between the upper cam section 5.641 and the lower cam section 5.642, the lower part of the lower cam section 5.642 is connected with a top cam section 5.644, the convex surface of the upper cam section 5.641 faces obliquely upward, the convex surface of the lower cam section 5.642 faces obliquely downward, a rightward pressure regulating top wire 5.9 is arranged in the vertical rotating shaft 5.7 corresponding to the left side of the regulating section 5.63 of the cam plate 5.6, the right end of the pressure regulating top wire 5.9 penetrates through the left side wall of the regulating section 5.63 of the vertical rotating shaft 5.7, the bracket plate 5.1 is fixedly connected with the hard arm pipe 6, and the front section (corresponding to the right arm pipe) of the hard arm pipe 5.6) is provided with a front section 2, downward torsion springs 5.5 are connected to the spring shafts 5.2, the feet at the upper ends of the torsion springs 5.5 abut against the bottom surface of the support plate 5.1, the feet at the lower ends of the torsion springs 5.5 are provided with leftward arc-shaped convex blocks, and the arc-shaped convex blocks are in sliding contact with the cam plates 5.6 to play a role in adjusting balance pressure in the sliding process.

When the height of the front end of the hard arm pipe 6 needs to be adjusted downwards, the front section of the hard wall pipe 6 is directly pressed down, the foot at the lower end of the torsion spring 5.5 can slide on the upper cam section 5.641 of the cam plate 5.6, the torsion spring 5.5 can store certain pressure along with the continuous pressing of the front section of the hard wall pipe 6, the balance pressure can be adjusted through the torsion spring 5.5 in the process, when the front end of the hard arm pipe 6 is adjusted to be too low, namely the foot at the lower end of the torsion spring 5.5 passes through the inflection point 5.643 to reach the lower cam section 5.642, if the pressing-down process is continued, the foot at the lower end of the torsion spring 5.5 is matched with the lower cam section 5.642 and keeps the balance pressure, if the pressing-down pressure is suddenly cancelled, the foot at the lower end of the torsion spring 5.5 can be ensured not to instantaneously return to the upper cam section 5.641 due to the existence of the inflection point 5.643, and therefore, the whole process can keep certain balance. When the balanced gimbal device 5 is used for a long time. No matter the elasticity of the torsion spring 5.5 or the elasticity of the arc-shaped convex block or the elasticity of the cam plate 5.6 has certain loss, at the moment, the pressure regulating jackscrew 5.9 is ejected rightwards, so that the pressure regulating jackscrew 5.9 ejects the regulating section 5.63 rightwards by a small distance, and the distance between the cam section 5.64 and the arc-shaped convex block of the foot at the lower end of the torsion spring 5.5 is reduced, thereby compensating the loss of the elasticity.

The aerial fog collecting cover 9 comprises an outer cover shell 9.1, the outer cover shell 9.1 is provided with a horn opening which inclines downwards, the upper middle section of the opening of the outer cover shell 9.1 is provided with an inner cover plate 9.2, the inner cover plate 9.2 retracts for a certain distance relative to the outer edge of the opening of the outer cover shell 9.1, the back of the inner cover plate 9.2 is provided with a positive-negative ion generator 9.4, the rear end joint of the outer cover shell 9.1 is provided with a connecting pipe 9.11, the front end of the connecting pipe 9.11 is inserted in the outer cover shell 9.1, the rear end of the connecting pipe 9.11 extends to the rear of the outer cover shell 9.1, the rear end of the connecting pipe 9.11 is backwards provided with a sealing ring groove 9.12, the front end of a front hose 7 is inserted in the sealing ring groove 9.12, a cover handle 8 is fixed outside the connecting pipe 9.11, the inner wall of the outer cover shell 9.1 corresponding to the lower part of the front end of the connecting pipe 9.11 is provided with a drainage right upper oblique water baffle 9.5, the bottom of the inner cover plate 9.2 is provided with an arc notch, the annular edge of the front outer edge of the inner cover plate 9.2 is provided with a plurality of outer edge air suction slotted holes 9.21 which are annularly arranged, the outer edge air suction slotted holes 9.21 are narrow groove-shaped holes which are arranged at intervals, the front outer edge bottom edge of the inner cover plate 9.2 is provided with a plurality of inner air suction holes 9.22 which are linearly arranged at intervals, the outer edge air suction slotted holes 9.21 and the inner air suction holes 9.22 enclose into a circle, the bottom edge of the inner cover plate 9.2 is downwards provided with a limit baffle 9.23, the front surface of the limit baffle 9.23 is provided with a first magnet 9.24, the lower section of the opening of the outer cover plate 9.1 is provided with a water accumulation box 9.3 which can be detachably connected, the bell mouth outer ring of the outer cover plate 9.1 is provided with a bearing platform, the lower end of the water accumulation box 9.3 is placed on the bottom bearing platform of the outer cover plate 9.1, the water accumulation box 9.3 is provided with two water accumulation grooves with upward openings, the two water accumulation grooves are respectively an inner water accumulation groove 9.31 and an outer water accumulation groove 9.32, the partition plate in the middle of the inner water accumulation groove 9.31 and the outer water accumulation groove is called as a positioning partition plate 33.32, the other baffle plate on the inner side of the inner water accumulation groove 9.31 is called an inner baffle plate 9.34, the other baffle plate on the outer side of the outer water accumulation groove 9.32 is called an outer baffle plate 9.35, the back surface of the positioning partition plate 9.33 is provided with a second magnet 9.36, when the water accumulation box 9.3 is installed on the outer housing 9.1, the water accumulation box corresponds to the arc-shaped gap, the positioning partition plate 9.33 is in magnetic fit with the limiting baffle plate 9.23, a seal is formed at the joint, the inner water accumulation groove 9.31 and the outer water accumulation groove 9.32 are respectively positioned on the inner side and the outer side of the inner housing 9.2, the inner baffle plate 9.34 is positioned below the drainage water retaining eave 9.5 and is attached to the inner wall of the outer housing 9.1, and the outer baffle plate 9.35 is positioned below the outer side of the inner housing 9.2.

Working principle;

1. in the course of the work, a dental negative pressure aerial fog sterilizing machine's turbofan 17 work, the during operation aerial fog is collected the cover and is produced great appeal to the air, inside ultraviolet ray disinfection room and the high-efficient net that purifies that excels in of machine is equipped with, and be equipped with the even air current layer of each circulation cross-section formation of multilayer homoflow net messenger gas, thereby make the complete machine reach best disinfection purifying effect, realize the purification performance that disinfects fast, make this machine reach the purpose that disposable disinfection purification rate is up to standard, therefore the biggest advantage of this machine is, aerial fog is collected the cover and is adopted the outer fringe slot hole structure of breathing in of the anterior outer fringe narrow groove type of inner shroud, thereby the inner shroud middle part does not establish the suction hole and makes the inspiratory flow of aerial fog collection cover outer fringe increase at double. The collecting effect of the aerial fog collecting cover is greatly improved. Meanwhile, the lower part of the aerosol collecting cover is provided with an inner and an outer water accumulating grooves. Can effectively receive and store the aerial fog, the spray condensate water and the like generated by the inner wall and the outer wall of the aerial fog collection cover. Meanwhile, the water accumulation box is provided with an inner water accumulation groove and an outer water accumulation groove. A positioning partition board is arranged between the inner water collecting tank and the outer water collecting tank. Aiming at the gas exhaled by a dental patient and aerosol generated during treatment in clinic and the like, and the gas is collected.

In the process of rescuing respiratory tract infectious patients, when the gas exhaled by the patients and the aerosol infection environment are severe, the aerosol collecting cover with strong negative pressure and large suction can timely absorb the bacteria-carrying gas in a certain distance, and the secondary pollution is avoided by once sterilizing the aerosol collecting cover with multiple composite powerful sterilizing devices in the machine to reach the standard, thereby greatly reducing the cross infection probability of clinical medical staff and providing safe and reliable environmental space for the medical staff and the patients.

2. The traditional dental treatment chair telescopic swing arm adopts a compression spring balance mechanism in the wall to control the parking position of the swing arm, but the space in the wall almost occupies the space without circulating airflow. The telescopic swing arm of the machine adopts an original pipe-arm integrated structure, utilizes a balance universal joint device, and has compact structure, portability and no influence on the space in a pipe. The torsion of the torsion spring is used for supporting the hard arm tube to achieve a state of not falling. While achieving balance within each working angle. Is provided with a fixed pressure regulating cam plate mechanism. Along with the up-and-down swing of the hard arm pipe. A leg of the spring slides on the cam plate surface. The compression amount of the torsion spring is adjusted along with the concave-convex fluctuation of the cam plate surface. Thereby achieving balance of the torsional forces. Meanwhile, a rotating shaft of the hard arm pipe is provided with a concentric damping friction plate capable of adjusting pressure, so that the up-and-down swinging electrodeless positioning of the hard arm pipe is effectively realized.

3. The traditional pipe-arm integrated structure. One is composed of multiple hard arm tubes and multiple unidirectional rotary joints. The other is formed by connecting a plurality of hollow universal joints in series. The above conventional structure. In order to solve the problem of sealing and swinging support balance. The connection of each movable joint is very tight, the swinging resistance is very large, and the movement is very inconvenient. The product adopts a soft and hard tube connection and combines a torsional spring type universal joint composite structure. The structure is compact and the sealing performance is good. Flexible and convenient to use.

4. The universal joint assembly is removed from the whole machine, the hard arm tube dental treatment chair illumination lamp arm is bound, and the lamp arm can work synchronously by means of supporting and positioning of the illumination lamp arm.

5. The utility model discloses can multiple user state:

the first state: the whole machine works independently.

And a second state: the balance universal joint device is removed from the whole machine, the hard arm pipe is bound with the lighting lamp arm of the dental treatment chair, and the dental treatment chair can synchronously work by means of supporting and positioning of the lighting lamp arm.

And a third state: the hard arm tube is bound with the lighting lamp arm of the dental treatment chair and supports and positions the synchronous work by the lighting lamp arm. The back hose can be removed, and the mainframe box is directly connected with the negative pressure air suction disinfection interface of the dental treatment chair.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims (7)

1. An aerosol collecting cover is characterized by comprising an outer cover shell (9.1), wherein the outer cover shell (9.1) is provided with a horn opening which inclines downwards, an inner cover plate (9.2) is arranged at the middle upper section of the opening of the outer cover shell (9.1), the inner cover plate (9.2) retracts a distance relative to the outer edge of the opening of the outer cover shell (9.1), a connecting pipe (9.11) is arranged at the rear end joint of the outer cover shell (9.1), the front end of the connecting pipe (9.11) is inserted into the outer cover shell (9.1), the rear end of the connecting pipe (9.11) extends to the rear of the outer cover shell (9.1), a drainage water baffle (9.5) which inclines to the upper right is arranged on the inner wall of the outer cover shell (9.1) at the corresponding position below the front end of the connecting pipe (9.11), an arc-shaped notch is arranged at the bottom of the inner cover plate (9.2), the annular air suction edge of the front outer edge of the inner cover plate (9.2) is provided with a plurality of air suction slotted holes (9.21) which are arranged annularly, the inner side of the inner cover plate (9.2) is provided with a plurality of inner air suction holes (9.22) which are arranged at intervals, the outer edge air suction slotted hole (9.21) and the inner air suction holes (9.22) are surrounded into a circle, the bottom edge of the inner cover plate (9.2) is downwards provided with a limit baffle (9.23), the lower section of the opening of the outer cover shell (9.1) is provided with a water accumulation box (9.3) which can be detachably connected, the water accumulation box (9.3) is provided with two water accumulation grooves with upward openings, the two water accumulation grooves are respectively an inner water accumulation groove (9.31) and an outer water accumulation groove (9.32), a baffle plate in the middle of the inner water accumulation groove (9.31) and the outer water accumulation groove (9.32) is called as a positioning partition plate (9.33), the other baffle plate on the inner side of the inner water accumulation groove (9.31) is called as an inner baffle plate (9.34), and the other baffle plate on the outer side of the outer water accumulation groove (9.32) is called as an outer baffle plate (9.35).

2. An aerosol collecting hood according to claim 1, characterized in that the rear end of the connecting tube (9.11) is provided with a sealing ring groove (9.12) in the rear direction, and the front end of the front hose (7) is inserted into the sealing ring groove (9.12).

3. An aerosol collecting hood according to claim 1, characterised in that the peripheral aspirating slot holes (9.21) are narrow slot type holes spaced apart.

4. An aerosol collection hood according to claim 1, characterized in that the front face of the limit stop (9.23) is provided with a first magnet (9.24) and the back face of the positioning divider (9.33) is provided with a second magnet (9.36).

5. An aerosol collecting hood according to claim 1, characterised in that the bell-mouth outer ring of the outer hood shell (9.1) has a platform, and the lower end of the water-collecting box (9.3) rests on the bottom platform of the outer hood shell (9.1).

6. An aerosol collecting hood according to claim 1, characterised in that the rear face of the inner hood panel (9.2) is provided with a positive and negative ion generator (9.4).

7. An aerosol collecting hood according to claim 1, which is used to assemble a dental negative pressure aerosol sterilizer.

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