CN109847467B

CN109847467B - Medical clean bench

Info

Publication number: CN109847467B
Application number: CN201910036297.XA
Authority: CN
Inventors: 霍元明; 杨万博; 胡玉佳; 沈梦蓝
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2021-01-26
Anticipated expiration: 2039-01-15
Also published as: CN109847467A

Abstract

The invention relates to the technical field of medical instruments, and discloses a medical clean bench which comprises a support, wherein a filtering mechanism is arranged at the upper part of the support, an operation chamber is arranged at the middle part of the support, the filtering mechanism comprises a primary filtering mechanism, a fan and a high-grade filtering mechanism, a middle-grade filtering mechanism is arranged below an air outlet of the fan, an operation platform is arranged in the operation chamber, one side of the operation platform is connected with the top of the operation chamber through a plurality of tooth-shaped telescopic rods, the opposite side of the operation platform is matched with a plurality of tooth-shaped columns, and the distance between the operation platform and the bottom of the operation chamber is adjusted by changing the lengths of the plurality of tooth-shaped telescopic rods and the matching positions of the opposite side of the operation platform and the plurality. The device of the invention has simple structure, convenient control and convenient popularization and promotion.

Description

Medical clean bench

Technical Field

The invention relates to the technical field of medical instruments, in particular to a medical clean bench.

Background

Clean bench is a respond well air purification device, and through filtration of filtration systems at different levels to the air, can provide local dustless and aseptic clean operational environment to through the filtration passageway of special design, can the polluted air in the manual control workspace, avoid harmful gas to cause harm to human body and environment, be a special clean bench of safer medical treatment biology. The method is mainly applied to the processes of microorganism, fungus, bacteria, cell culture and reagent preparation, plays a role in protecting products and operation processes from being polluted by microorganisms, and is widely used in the fields of medical science, biological research and production.

The medical clean workbench invented and put into production use at present also has some disadvantages:

one is that the air filtration system is imperfect. A certain amount of dust particles and dirt impurities still exist in the air filtered by the primary filtering system and the high-efficiency filter, and particularly oil stains adhered to the air when the air passes through the fan. The experimental data and the product quality cannot be guaranteed, and the service life of the high-efficiency filter is influenced.

Secondly, the operation panel area of traditional clean bench is less relatively, and the usage space is limited, and a large amount of space in the box is effectively utilized, and the low-usage.

Disclosure of Invention

The invention provides a medical clean bench, which solves the problems of incomplete air filtering system, relatively small operation table area, limited use space and the like of the conventional medical clean bench.

The invention can be realized by the following technical scheme:

the utility model provides a medical clean bench, includes the support, the upper portion of support is provided with filtering mechanism, and the middle part is provided with the control chamber, filtering mechanism includes elementary filtering mechanism, fan and senior filtering mechanism the below of the air outlet of fan is provided with middle-level filtering mechanism, the inside operation platform that is provided with of control chamber, operation platform's one side links to each other with the top of control chamber through a plurality of profile of tooth telescopic links, and its relative one side cooperates with a plurality of profile of tooth post, through the length that changes a plurality of profile of tooth telescopic links to and operation platform's relative one side and the cooperation position of a plurality of profile of tooth posts, adjusts the distance of operation platform and the bottom of control chamber.

Further, the profile of tooth telescopic link includes profile of tooth loop bar and with the inside interior pole of suit, the profile of tooth loop bar is provided with a plurality of tooth mouths along the suit direction of interior pole, the top of interior pole is provided with the control lever with tooth mouth complex, the bottom of interior pole is provided with the boss, the boss rotates with the mount table to be connected, the mount table is fixed to be set up on one side of operation platform, through rotating the control lever, makes its cooperation with the tooth mouth of different positions, and the length that the inside length of pole suit got into the profile of tooth loop bar in the adjustment to the length of adjustment profile of tooth telescopic link.

Furthermore, the tooth-shaped loop bar is provided with a guide through groove along the sleeving direction of the inner rod, all the directions of the tooth openings are perpendicular to the guide through groove and are communicated with the guide through groove, and the control rod firstly moves along the guide through groove and then enters the tooth openings.

Furthermore, the tooth-shaped column is vertically arranged on the side wall of the operation chamber and comprises a plurality of continuous bayonets along the length direction, the bayonets are matched with the other side of the operation platform, and the matching position of the other side of the operation platform and the tooth-shaped column is adjusted by changing the matching of the opposite side of the operation platform and the bayonets at different positions.

Furthermore, one end of the tooth-shaped loop bar, which is not sleeved with the inner bar, is connected with the top of the operation chamber through an L-shaped connecting piece, the L-shaped connecting piece is rotatably connected with the tooth-shaped loop bar, and the opposite side of the operation platform is adjusted to be matched with and disengaged from the bayonet of the tooth-shaped column through rotation between the tooth-shaped loop bar and the L-shaped connecting piece.

Furthermore, the L-shaped connecting piece is arranged on one surface of the tooth-shaped sleeve rod opposite to the guide through groove, the long edge of the L-shaped connecting piece is rotatably connected with the tooth-shaped sleeve rod through a rotating shaft, and the short edge of the L-shaped connecting piece is fixedly connected with the top of the operating chamber.

Further, the mounting table comprises a right-angle part and a cylindrical part arranged on one side of the right-angle part, a circular ring opening is formed in the top surface of the cylindrical part, the inner diameter of the circular ring opening is matched with the outer diameter of the inner rod, the inner diameter of the cylindrical part is matched with the outer diameter of the boss, the outer diameter of the inner rod is smaller than that of the boss, and the right-angle part is fixedly connected with one side of the operating platform.

Further, the middle-stage filtering mechanism comprises a bottom plate arranged right below an air outlet of the fan, a cover plate is arranged on the bottom plate, and filter cotton is arranged between the bottom plate and the cover plate.

Further, operation platform includes instrument district, experimental area and water storage area from a left side to the right side in proper order, instrument district, experimental area all adopt square groove, the water storage area is provided with circular recess the bottom in experimental area is provided with the handle.

The beneficial technical effects of the invention are as follows:

through the length that changes a plurality of profile of tooth telescopic links, and operation platform's relative one side and the cooperation position of a plurality of profile of tooth post, adjust the distance of the bottom of operation platform and control chamber, realize operation platform's altitude mixture control, operation platform's usable floor area has been increased, and can be according to medical personnel's user demand, adjustment operation platform's height, improve the convenience, and simultaneously, air outlet at the fan sets up middle level filter mechanism, further filter the air of air outlet, improve the cleanliness factor of medical clean bench, protect instrument apparatus in it or cultivate the sanitary environment of fungus better, in addition, whole device compact structure, moreover, the operation is thus simple, can improve on the basis of original clean bench, therefore, the carrier wave prepaid electric energy meter is low in cost, therefore, the clothes hanger is strong in practicability, and is convenient for popularize and popularize.

Drawings

FIG. 1 is a schematic diagram of the general structure of the present invention;

FIG. 2 is a first schematic view of a matching structure of the operating platform, the tooth-shaped telescopic rod and the tooth-shaped column;

FIG. 3 is a schematic view of a matching structure of the operating platform, the tooth-shaped telescopic rod and the tooth-shaped column of the present invention;

FIG. 4 is a schematic structural view of the toothed telescoping rod of the present invention;

FIG. 5 is a schematic structural view of a tooth post according to the present invention;

FIG. 6 is a schematic view of the structure of the mounting table of the present invention;

FIG. 7 is a schematic structural diagram of a base plate of the present invention;

FIG. 8 is a schematic structural diagram of a cover plate according to the present invention;

FIG. 9 is a schematic structural diagram of an operation platform according to the present invention;

the device comprises a support 1, a primary filtering mechanism 2, a fan 3, a high-level filtering mechanism 4, a middle-level filtering mechanism 5, a bottom plate 51, a cover plate 52, an operation table 6, an operation platform 7, a tool area 71, a test area 72, a water storage area 73, a handle 74, a reinforcing rib 75, a tooth-shaped telescopic rod 8, a tooth-shaped sleeve rod 81, an inner rod 82, a tooth opening 83, a guide through groove 84, a control rod 85, a boss 86, an installation table 87, a right-angled part 871, a cylindrical part 872, a circular ring opening 873, an L-shaped connecting piece 88, a tooth-shaped column 9 and a bayonet 91.

Detailed Description

The following describes in further detail specific embodiments of the present invention with reference to the accompanying drawings.

Referring to the attached

drawings

1, 2 and 3, the invention provides a medical clean bench, which comprises a support 1, wherein a filtering mechanism is arranged at the upper part of the support 1, an operation chamber is arranged at the middle part of the support 1, the filtering mechanism comprises a primary filtering mechanism 2, a fan 3 and a high-grade filtering mechanism 4, a middle-grade filtering mechanism 5 is arranged below an air outlet of the fan 3, an operation platform 6 which is fixed is arranged at the bottom surface of the operation chamber, an operation platform 7 with adjustable height is arranged in the operation platform, one side of the operation platform 7 is connected with the top of the operation chamber through a plurality of tooth-shaped telescopic rods 8, the opposite side of the operation platform is matched with a plurality of tooth-shaped columns 9, and the distance between the operation platform 9 and the bottom of the operation chamber is adjusted by changing the lengths of the plurality of tooth-shaped telescopic rods 8 and the matching positions of the.

Referring to fig. 4, the toothed telescopic rod 8 includes a toothed loop bar 81 and an inner rod 82 sleeved inside the toothed loop bar 81, the toothed loop bar 81 is provided with a plurality of tooth openings 83 and guiding through grooves 84 along a sleeving direction of the inner rod 82, all the tooth openings 83 are perpendicular to the guiding through grooves 84 and communicated with the guiding through grooves 84, a control rod 85 matched with the tooth openings 83 is arranged at the top of the inner rod 82, the control rod 85 moves along the guiding through grooves 84 first and then enters the tooth openings 83, and the control rod 85 is rotated to be matched with the tooth openings 83 at different positions to adjust the length of the inner rod 82 sleeved inside the toothed loop bar 81, so as to adjust the length of the toothed telescopic rod 8. Referring to fig. 5, the tooth-shaped column 9 is vertically disposed on the sidewall of the operation chamber, and includes a plurality of continuous bayonets 91 along the length direction, the bayonets 91 of the tooth-shaped column are matched with the other side of the operation platform 7, and the matching position of the other side of the operation platform 9 and the tooth-shaped column 9 is adjusted by changing the opposite side of the operation platform 7 to be matched with the bayonets 91 at different positions. Therefore, the length of the toothed telescopic rod 8 and the matching position of the opposite side of the operating platform 7 and the toothed column 9 can be adjusted by matching the control rod 85 with the toothed openings 83 at different positions and changing the matching of the opposite side of the operating platform 7 with the bayonets 91 at different positions, so that the distance between the operating platform 9 and the bottom of the operating room is changed.

In order to ensure that the inner rod 82 does not fall off the operation platform 7 while rotating, referring to fig. 2, 3 and 6, a boss 86 is provided at the bottom of the inner rod 82, the boss 86 is rotatably connected with a mounting table 87, and the mounting table 87 is fixedly provided at one side of the operation platform 7. The mounting table 87 comprises a right-angle part 871 and a cylindrical part 872 arranged on one side of the right-angle part 871, wherein the top surface of the cylindrical part 872 is provided with a circular ring 873, referring to fig. 6, the inner diameter of the circular ring 873 is matched with the outer diameter of the inner rod 82, the inner diameter is connected with the inner wall of the cylindrical part 872, the inner diameter of the cylindrical part 872 is matched with the outer diameter of the boss 86, the outer diameter of the inner rod 82 is smaller than the outer diameter of the boss 86, and the right-angle part 871 is fixedly connected with one side of the operating platform 7. Therefore, the inner rod 82 is rotationally fixed between the toothed sleeve rod 81 and the operating platform 7, when the length of the toothed telescopic rod 8 is adjusted, the control rod 85 enters the guide through groove 84 from the toothed opening 83 by manually rotating the inner rod 82, the inner rod 82 moves upwards or downwards, the control rod 85 is aligned to the toothed openings 83 at different positions, the corresponding toothed openings 83 can be formed by rotating the inner rod 82 to the control rod 85, and the inner rod 82 cannot fall off in the whole operation process, so that the operation is convenient.

In order to adjust the matching between the operating platform 7 and the tooth-shaped column 9 conveniently, referring to fig. 2 and 3, one end of the tooth-shaped loop bar 81, which is not sleeved with the inner rod 82, is connected with the top of the operating chamber through the L-shaped connecting piece 88, and the L-shaped connecting piece 88 is rotatably connected with the tooth-shaped loop bar 81, so that when the length of the tooth-shaped telescopic rod 8 is adjusted, the operating platform 7 can be pushed backwards to be away from the tooth-shaped column 9 until the opposite side of the operating platform 7 is disengaged from the engaged bayonet 91, and then the operating platform can be rotated back according to the length of the tooth-shaped telescopic rod 8 to adjust the position of the opposite side of the operating platform 7 and the bayonet 91 to be engaged, so that. Specifically, the L-shaped connector 88 is disposed on a surface of the toothed bar 81 opposite to the guide through slot 84, a long side of the L-shaped connector is rotatably connected to the toothed bar 81 through a rotating shaft, a short side of the L-shaped connector is fixedly connected to the top of the operation chamber, and an opposite side of the operation platform 7 is engaged with and disengaged from the bayonet 91 of the toothed column 9 through rotation between the toothed bar 81 and the L-shaped connector 88.

Referring to fig. 7 and 8, the middle stage filtering mechanism 5 includes a bottom plate 51 disposed right below the air outlet of the fan 3, and a cover plate 52 disposed on the bottom plate 51 and connected together by bolts, and filter cotton disposed therebetween.

For better planning and taking the operation platform 7, referring to fig. 3 and 9, the operation platform 7 sequentially comprises a tool area 71, an experiment area 72 and a water storage area 73 from left to right, the tool area 71 and the experiment area 72 both adopt square grooves, the water storage area 73 is provided with a circular groove, the bottom of the experiment area 72 is provided with a handle 74, and two sides of the handle are provided with reinforcing ribs 75 to increase the strength of the operation platform 7.

Through the length that changes a plurality of profile of tooth telescopic links, and operation platform's relative one side and the cooperation position of a plurality of profile of tooth post, adjust the distance of the bottom of operation platform and control chamber, realize operation platform's lift control, operation platform's usable floor area has been increased, and can be according to medical personnel's user demand, adjust operation platform's height, improve the convenience, and simultaneously, air outlet at the fan sets up middle level filter mechanism, further filter the air of air outlet, improve the cleanliness factor of medical clean bench, protect instrument apparatus in it or cultivate the sanitary environment of fungus better, in addition, whole device compact structure, moreover, the operation is thus simple, can improve on the basis of original clean bench, therefore, the carrier wave prepaid electric energy meter is low in cost, therefore, the clothes hanger is strong in practicability, and is convenient for popularize and popularize.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many variations or modifications may be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is therefore defined by the appended claims.

Claims

1. The utility model provides a medical clean bench, includes the support, the upper portion of support is provided with filtering mechanism, and the middle part is provided with the control chamber, filtering mechanism includes elementary filtering mechanism, fan and senior filtering mechanism, its characterized in that: the middle-stage filtering mechanism is arranged below the air outlet of the fan, the operating platform is arranged in the operating chamber, one side of the operating platform is connected with the top of the operating chamber through a plurality of tooth-shaped telescopic rods, the opposite side of the operating platform is matched with a plurality of tooth-shaped columns, and the distance between the operating platform and the bottom of the operating chamber is adjusted by changing the lengths of the plurality of tooth-shaped telescopic rods and the matching positions of the opposite side of the operating platform and the plurality of tooth-shaped columns;

the tooth-shaped telescopic rod comprises a tooth-shaped sleeve rod and an inner rod sleeved in the tooth-shaped sleeve rod, the tooth-shaped sleeve rod is provided with a plurality of tooth openings along the sleeving direction of the inner rod, the top of the inner rod is provided with a control rod matched with the tooth openings, the bottom of the inner rod is provided with a boss, the boss is rotationally connected with an installation table, the installation table is fixedly arranged on one side of an operation platform, the control rod is matched with the tooth openings at different positions by rotating the control rod, and the length of the tooth-shaped telescopic rod sleeved with the inner rod into the tooth-shaped sleeve rod is adjusted, so that the length of the;

the tooth-shaped column is vertically arranged on the side wall of the operation chamber and comprises a plurality of continuous bayonets along the length direction, the bayonets are matched with the other side of the operation platform, and the matching position of the other side of the operation platform and the tooth-shaped column is adjusted by changing the matching of the opposite side of the operation platform and the bayonets at different positions;

one end of the tooth-shaped loop bar, which is not sleeved with the inner bar, is connected with the top of the operation chamber through an L-shaped connecting piece, the L-shaped connecting piece is rotatably connected with the tooth-shaped loop bar, and the opposite side of the operation platform is adjusted to be matched with and disengaged from the bayonet of the tooth-shaped column through rotation between the tooth-shaped loop bar and the L-shaped connecting piece.

2. The medical clean bench of claim 1, wherein: the tooth-shaped loop bar is provided with a guide through groove along the sleeving direction of the inner rod, all the tooth openings are perpendicular to the guide through groove and communicated with the guide through groove, and the control rod firstly moves along the guide through groove and then enters the tooth openings.

3. The medical clean bench of claim 1, wherein: the L-shaped connecting piece is arranged on one surface of the tooth-shaped sleeve rod opposite to the guide through groove, the long edge of the L-shaped connecting piece is rotatably connected with the tooth-shaped sleeve rod through a rotating shaft, and the short edge of the L-shaped connecting piece is fixedly connected with the top of the operating room.

4. The medical clean bench of claim 1, wherein: the mounting table comprises a right-angle part and a cylindrical part arranged on one side of the right-angle part, a circular ring opening is formed in the top surface of the cylindrical part, the inner diameter of the circular ring opening is matched with the outer diameter of the inner rod, the inner diameter of the cylindrical part is matched with the outer diameter of the boss, the outer diameter of the inner rod is smaller than the outer diameter of the boss, and the right-angle part is fixedly connected with one side of the operating platform.

5. The medical clean bench of claim 1, wherein: the middle-stage filtering mechanism comprises a bottom plate arranged right below an air outlet of the fan, a cover plate is arranged on the bottom plate, and filter cotton is arranged between the bottom plate and the cover plate.

6. The medical clean bench of claim 1, wherein: the operation platform sequentially comprises a tool area, an experiment area and a water storage area from left to right, wherein the tool area and the experiment area are both provided with square grooves, the water storage area is provided with a circular groove, and the bottom of the experiment area is provided with a handle.