CN212702025U

CN212702025U - Purifying workbench

Info

Publication number: CN212702025U
Application number: CN202020805380.7U
Authority: CN
Inventors: 陶埼波; 肖健; 董栩烽; 张一帆; 王泽飞
Original assignee: Zhejiang Zhicheng Medical Equipment Co Ltd
Current assignee: Zhejiang Zhicheng Medical Equipment Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-03-16
Anticipated expiration: 2030-05-14

Abstract

The utility model provides a clean bench belongs to equipment technical field for the experiments. It has solved the high clean bench that can not adjust the scheduling problem of opening of current clean bench glass door, work platform's top is provided with filter equipment, the casing is offered and is used for supplying glass door male insertion groove, first curb plate and second curb plate are provided with the spout, insertion groove and spout intercommunication, during the spout is inserted to the both sides of glass door, the removal chamber has been seted up at the top of first curb plate and second curb plate, it is provided with the balancing weight to remove the intracavity, connect through pulley and connection rope between balancing weight and the glass door, first curb plate and second curb plate still are provided with the trough that is used for holding the connecting wire. The utility model has the advantages of the opening height of the glass door can be adjusted.

Description

Purifying workbench

Technical Field

The utility model belongs to the technical field of equipment for the experiments, in particular to clean bench.

Background

The purifying workbench is a purifying device which is widely applied to scientific research and production departments needing local clean and sterile working environments, such as medicine and health, biological pharmacy, food, medical science experiments, optics, electronics, sterile laboratory experiments, sterile microorganism inspection, plant tissue culture inoculation and the like.

The existing purification workbench is generally of an open structure, namely a window is formed on the device, a glass door is installed on the window of the ordinary purification workbench, the existing glass door is generally only in two states, one state is a completely opened state, the other state is a closed state, and the opening height of the glass door cannot be adjusted.

Disclosure of Invention

The utility model aims at providing a clean bench to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a purifying workbench comprises a working platform, a filtering device is arranged above the working platform, the working platform and the filtering device are connected through a first side plate, a second side plate and a third side plate, the filtering device comprises a shell, a primary filter is arranged at the top of the shell, a high-efficiency filter is arranged at the bottom of the shell, an air draft device positioned in the shell is arranged between the primary filter and the high-efficiency filter, air leakage openings are formed in the bottoms of the first side plate and the second side plate, the working platform is provided with a movable glass door, the shell is provided with an insertion groove for the glass door to be inserted in, the first side plate and the second side plate are provided with sliding grooves, the insertion groove is communicated with the sliding grooves, two sides of the glass door are inserted in the sliding grooves, and the tops of the first side plate and the second side plate are provided with a movable cavity, the movable cavity in be provided with the balancing weight, balancing weight and glass door between connect through pulley and connection rope, first curb plate and second curb plate still be provided with the trough that is used for holding the connecting wire.

The utility model discloses a theory of operation: working platform's top is provided with filter equipment, through first curb plate between working platform and the filter equipment, second curb plate and third curb plate are connected, filter equipment includes the casing, the casing top is provided with the primary filter, the casing bottom is provided with high efficiency filter, be provided with the updraft ventilator who is located the casing between primary filter and the high efficiency filter, working platform and first curb plate, the second curb plate, around forming work area between the third curb plate, updraft ventilator is with external air from the top suction of casing, after primary filter filters, then filter through high efficiency filter, blow in the work area, leak out from the leak outlet of first curb plate and second curb plate bottom at last. The work bench is provided with a movable glass door for opening or closing the work area. Both sides of the glass door are inserted into the sliding groove and can move along the length direction of the sliding groove. People upwards promotes the glass door, glass door rebound, work area opens, the glass door inserts in the insertion groove, the both sides of glass door slide in the spout, connect the rope along trough rebound, the pulley is rotatory, the batching piece is at the removal intracavity rebound, operating personnel moves the glass door to any position, after putting one's hands, because the existence of balancing weight, the balancing weight can keep balance with the glass door, the balancing weight is under no exogenic action, neither can the automatic pulling glass door rebound, also can not let the glass door rebound. Therefore the utility model discloses the setting of balancing weight, pulley and connection rope for the height of opening of glass door can be adjusted.

Preferably, the sliding groove is U-shaped, and a U-shaped plastic strip is arranged in the sliding groove. Noise generated by friction between the glass door and the metal chute is reduced.

Preferably, the bottom of the glass door is fixedly connected with a door handle, two ends of the door handle are provided with insertion blocks inserted into the wiring grooves, and the connecting rope is fixedly connected with the insertion blocks. Upwards push glass door or pull glass door downwards, move in the trend inslot through inserting the piece drive connection rope to drive the counter weight piece and remove.

Preferably, a notch is formed in one side wall of the moving cavity, the pulley is installed in the notch, the pulley is provided with a mounting frame, and the mounting frame is connected with the bottom of the notch through a screw.

Preferably, the first side plate, the second side plate and the third side plate are all provided with glass observation windows. The glass observation window is used for observing the condition in the working area.

Preferably, four support legs for supporting the working platform are arranged below the working platform, and universal wheels are arranged at the bottoms of the support legs. The universal wheels are arranged to facilitate moving of the working platform.

Preferably, an ultraviolet lamp is arranged on the third side plate and positioned above the glass observation window. The ultraviolet lamp is used for disinfection and sterilization.

Preferably, the bottom of the shell is provided with a lighting device for lighting, the bottom of the shell is provided with a plurality of openings, and the high-efficiency filter is arranged above the openings.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses the setting of balancing weight, pulley and connection rope for the height of opening of glass door can be adjusted.

Drawings

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

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

fig. 3 is a schematic sectional structure of the present invention;

FIG. 4 is a schematic structural view of the sliding chute of the present invention;

fig. 5 is a schematic sectional structure diagram of embodiment 2 of the present invention;

fig. 6 is an enlarged schematic view of the utility model at a;

FIG. 7 is a schematic view of the connecting slot of the present invention;

fig. 8 is a schematic structural view of the telescopic rod of the present invention;

FIG. 9 is a schematic structural view of the pulley of the present invention

In the figure, 1, a working platform; 2. a filtration device; 201. a housing; 211. inserting the groove; 221. an opening; 231. mounting a plate; 241. a first connecting rod; 202. a primary filter; 203. a high efficiency filter; 3. a first side plate; 4. a second side plate; 5. a third side plate; 6. an air draft device; 7. a leakage air port; 8. a glass door; 9. a chute; 10. a moving chamber; 1001. a balancing weight; 11. a pulley; 1101. a mounting frame; 1102. a groove; 12. connecting ropes; 13. a wiring groove; 14. a U-shaped plastic strip; 15. a door handle; 1501. inserting a block; 16. a notch; 17. a glass viewing window; 18. a support leg; 1801. a universal wheel; 19. an ultraviolet lamp; 2001. a bulb; 2011. a lamp body; 2111. an accommodating chamber; 2021. a first elastic member; 2031. a connector; 2131. connecting grooves; 2231. a second elastic member; 2331. pressing a plate; 2431. grooving; 2531. an arc groove; 2631. a second limit groove; 2731. a ball transfer unit; 2002. a second connecting rod; 2012. a clamping block; 2003. a power supply box; 2004. an electric wire; 2005. a telescopic rod; 2015. a channel; 2025. an inner rod; 2125. a limiting block; 2035. an outer rod; 2135. a baffle ring; 2235. a first baffle plate; 2335. a second baffle plate; 2435. opening a hole; 2535. a first limit groove; 21. and a contact sheet.

Detailed Description

The following are specific embodiments of the present invention and are made by combining the drawings

Further, the present invention is not limited to these examples.

As shown in fig. 1-9, a purification workbench, comprises a working platform 1, a filtering device 2 is arranged above the working platform 1, the filtering device 2 comprises a casing 201, a primary filter 202 is arranged on the top of the casing 201, a high efficiency filter 203 is arranged on the bottom of the casing 201, an air draft device 6 located in the casing 201 is arranged between the primary filter 202 and the high efficiency filter 203, a working area is formed between the working platform 1 and a first side plate 3, a second side plate 4, and a third side plate 5, the working platform 1 is rectangular, the working platform 1 is provided with a movable glass door 8, and the glass door 8 is used for closing or opening the working area. The utility model discloses glass door 8 open height-adjustable festival, concrete regulative mode is as follows:

the casing 201 is provided with an insertion groove 211, the first side plate 3 and the second side plate 4 are provided with sliding grooves 9, the sliding grooves 9 are positioned at two sides of the insertion groove 211 and are communicated with the insertion groove 211, two sides of the glass door 8 are positioned in the sliding grooves 9, when the glass door 8 moves upwards, the glass door 8 is inserted into the insertion groove 211, the top parts of the first side plate 3 and the second side plate 4 are provided with a moving cavity 10, a counterweight 1001 is arranged in the moving cavity 10, the counterweight 1001 can move along the length direction of the moving cavity 10, the bottom part of the glass door 8 is fixedly connected with a door handle 15, two sides of the door handle 15 are fixedly connected with insertion blocks 1501, the counterweight 1001 is connected with the insertion blocks 1501 through connecting ropes 12 and pulleys 11, the pulleys 11 are provided with grooves 1102, the connecting ropes 12 are embedded into the grooves 1102, the first side plate 3 and the second side plate 4 are also provided with wiring grooves 13, the cabling channel 13 is U-shaped, the pulley 11 is installed in a notch 16 formed in the side wall of the movable cavity 10, the pulley 11 is provided with an installation rack 1101, the installation rack 1101 is connected with the bottom of the notch 16 through a screw, and in the embodiment, the connection rope 12 is a steel wire rope.

When the glass door 8 is opened, an operator pushes the glass door 8 to move upwards, the upper part of the glass door 8 moves upwards along the length direction of the insertion groove 211, two ends of the glass door 8 move upwards along the length direction of the sliding groove 9, the insertion block 1501 is positioned in the wire-passing groove 13 and moves upwards along the length direction of the wire-passing groove 13, the connection rope 12 bypasses the pulley 11 to be connected with the counterweight block 1001 in the movable cavity 10, the pulley 11 changes the moving direction of the connection rope 12, the connection rope 12 positioned in the movable cavity 10 moves downwards along the length direction of the movable cavity 10, therefore, the counterweight block 1001 also moves downwards along the length direction of the movable cavity 10, and after the operator releases his hands at any position, the counterweight block 1001 can keep balance with the glass door 8 and stop. The weight 1001 does not automatically pull the glass door 8 to move upward and does not allow the glass door 8 to move downward without any external force. Thereby enabling the opening height of the glass door 8 to be adjusted. When the glass door 8 is closed, the glass door 8 moves downwards, and the other structures move in the opposite direction in the same way. The specific weight of the weight block 1001 depends on the glass door 8, and as long as the weight block is balanced with the glass door 8, the weight block 1001 cannot automatically pull the glass door 8 to move upwards or not to move the glass door 8 downwards without external force.

In more detail, the sliding groove 9 is U-shaped, and a U-shaped plastic strip 14 is arranged in the sliding groove 9. The U-shaped plastic strip 14 and the inner side wall of the chute 9 may be glued together by glue. The side plate of the existing purification workbench is mostly supported by metal materials, so that great noise can be generated when the glass door 8 rubs with metal, and the U-shaped plastic strip 14 is arranged to reduce the noise generated by friction between the glass door 8 and the sliding chute 9 made of metal.

In further detail, the first side plate 3, the second side plate 4 and the third side plate 5 are all provided with glass observation windows 17. The glass observation window 17 is used for observing the conditions inside the work area. The operator or other personnel can observe the inside of the working area from the first side plate 3, the second side plate 4 and the third side plate 5 conveniently.

Preferably, four support legs 18 for supporting the working platform 1 are arranged below the working platform 1, and universal wheels 1801 are arranged at the bottoms of the support legs 18. The universal wheels 1801 are arranged to facilitate movement of the working platform 1.

Preferably, the third side panel 5 is provided with an ultraviolet lamp 19 positioned above the glass sight glass 17. The ultraviolet lamp 19 is used for disinfection. Particularly, when cell experiments are carried out on a workbench, the ultraviolet lamp 19 is required to be used for disinfection and sterilization.

Preferably, the bottom of the housing 201 is provided with an illumination device for illumination, the bottom of the housing 201 is provided with a plurality of openings 221, and the high efficiency filter 203 is installed above the openings 221. After being drawn in by the air draft device 6, the wind passes through the primary filter 202 and then the high efficiency filter 203, and enters the working area through the opening 221. And then leaks out of the air leakage opening 7 at the bottom of the first side plate 3 and the second side plate 4. The primary filter 202 and the high efficiency filter 203 are used to filter dust in the air. The primary filter 202 and the high efficiency filter 203 in this embodiment are both filter screens, but the filter screens have different pore sizes, the primary filter 202 has a large pore size, and the high efficiency filter 203 has a small pore size.

The bottom of the housing 201 is provided with a mounting plate 231 for mounting the lighting device, the mounting plate 231 and the sidewall of the housing 201 are connected by a plurality of first connecting rods 241, and an opening 221 is formed between the first connecting

rods

241 and 241.

Embodiment 2, as shown in fig. 5 to 8, a lighting device is further improved on the basis of embodiment 1.

The lighting device comprises a bulb 2001 and a second connecting rod 2002, a power supply box 2003 is arranged on a mounting plate 231, the power supply box 2003 is used for supplying power to the bulb 2001, the power supply box 2003 and the second connecting rod 2002 are connected through a spiral electric wire 2004 (the spiral electric wire 2004 is similar to a telephone wire), the electric wire 2004 is wrapped by insulating rubber, the second connecting rod 2002 is detachably connected with the bulb 2001, the second connecting rod 2002 is connected with the mounting plate 231 through a telescopic rod 2005, a channel 2015 through which the electric wire 2004 penetrates is formed in the telescopic rod 2005, the electric wire 2004 penetrates through the channel 2015 and is connected with the second connecting rod 2002, the telescopic rod 2005 comprises an inner rod 2025 and an outer rod 2035, the bottom of the inner rod 2025 is fixedly connected with a limiting block 2125, the limiting blocks 2125 are located on two sides of the inner rod 2025, the number of the limiting blocks is two, a blocking ring 2135 uniformly arranged on the inner wall surface of the outer rod 2035 along the length, an opening 2435 through which the stopper 2125 passes is formed between the first blocking piece 2235 and the second blocking piece 2335, a first limiting groove 2535 into which the stopper 2125 is inserted is formed in the first blocking piece 2235 and the second blocking piece 2335, the inner rod 2025 is fixedly connected with the stopper 2125, when the opening 2435 and the stopper 2125 are aligned, the outer rod 2035 can move along the length direction of the inner rod 2025, then the outer rod 2035 is rotated to align the first limiting groove 2535 with the stopper 2125, the stopper 2125 is inserted into the first limiting groove 2535, and the inner rod 2025 and the outer rod 2035 are fixed, so that the length of the telescopic rod 2005 is adjusted.

The bottom of the outer rod 2035 is fixedly connected with a second connecting rod 2002.

The bulb 2001 comprises a lamp body 2011, a first elastic element 2021 and a spherical connecting head 2031, the lamp body 2011 is provided with a containing cavity 2111, the first elastic element 2021 and the connecting head 2031 are positioned in the containing cavity 2111, the first elastic element 2021 supports the connecting head 2031, the connecting head 2031 is fixed in the containing cavity 2111 by necking and extruding the lamp body 2011, the lamp body 2011 can be freely adjusted relative to the connecting head 2031, the first elastic element 2021 plays a role of elastic support for the connecting head 2031, the middle part of the connecting head 2031 is provided with a connecting groove 2131, the bottom of the connecting groove 2131 is provided with a second elastic element 2231, the top of the second elastic element 2231 is provided with a pressing plate 2331, the bottom side wall of the second connecting rod 2002 is fixedly connected with a clamping block 2012, the side wall of the 2131 is provided with a slot 2431 for the clamping block 2012 to be inserted, the inner side wall of the connecting groove 2131 is provided with a semicircular arc groove 2531, one end of the, the other end of the arc groove 2531 is provided with a second limiting groove 2631, the second limiting groove 2631 is located at the upper part of the arc groove 2531, and the second limiting groove 2631 is communicated with the arc groove 2531. The clamping block 2012 is inserted into the bottom from the open groove 2431, at this time, the second elastic member 2231 is compressed, the pressing plate 2331 abuts against the bottom of the second connecting rod 2002, the connector 2031 is rotated, so that the clamping block 2012 is moved into the arc groove 2531 until the other end of the arc groove 2531, the clamping block 2012 is moved to the openings 221 of the arc groove 2531 and the second limiting groove 2631, after the connector is released, the clamping block 2012 is automatically clamped into the second limiting groove 2631 under the elastic force of the second elastic member 2231, the top of the clamping block 2012 abuts against the inner wall of the top of the second limiting groove 2631, and at this time, the second elastic member 2231 is still in a compressed state, so that the clamping block 2012 can be firmly pressed against the inner wall of the top of the second limiting groove 2631. The bottom of the pressing plate 2331 is connected with a universal ball 2731, which facilitates the rotation of the connector 2031.

The first elastic element 2021 and the second elastic element 2231 are both springs, a contact piece 21 is arranged on the top surface of the clamping block 2012, a contact piece 21 is also arranged on the inner wall of the top of the second limiting groove 2631, the two contact pieces 21 are contacted with each other, so that the bulb 2001 is electrically connected with the second connecting rod 2002, the second connecting rod 2002 is connected with the wire 2004, and thus the power supply box 2003 is electrically connected, and the bulb 2001 is electrified.

When an operator installs the bulb 2001, the operator holds the second connecting rod 2002 with one hand, holds the connecting head 2031 with the other hand, aligns the clamping block 2012 at the bottom of the second connecting rod 2002 with the open slot 2431 and inserts the clamping block 2012 into the bottom, rotates the connecting head 2031, and releases the hand to enable the clamping block 2012 to be inserted into the second limiting slot 2631, and under the action of the second elastic piece 2231, the clamping block 2012 is firmly pressed against the inner wall at the top of the second limiting slot 2631, the two contact pieces 21 are contacted with each other, and the bulb 2001 is powered on. The operation is simple, the installation is convenient, and the bulb 2001 can be replaced if damaged.

The bulb 2001 of the existing clean bench can not be freely adjusted in angle, nor in height. Therefore, for the convenience of experimenter observation, the utility model discloses a function that angle modulation was realized to first elastic component 2021 and spherical connector 2031. The material of lamp body 2011 is car aluminium, carries out the throat extrusion through the lamp body 2011 to this material, is fixed in the chamber 2111 that holds with the connecting piece, and this kind of is fixed restrictively, and lamp body 2011 can carry out the free regulation of angle for connector 2031, satisfies the illumination requirement under the different experimental conditions.

Just the utility model discloses a telescopic link 2005 realizes bulb 2001's altitude mixture control, further satisfies the lighting requirements under the different experimental conditions.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The purification workbench is characterized by comprising a working platform (1), wherein a filtering device (2) is arranged above the working platform (1), the working platform (1) and the filtering device (2) are connected through a first side plate (3), a second side plate (4) and a third side plate (5), the filtering device (2) comprises a shell (201), a primary filter (202) is arranged at the top of the shell (201), a high-efficiency filter (203) is arranged at the bottom of the shell (201), an air draft device (6) positioned in the shell (201) is arranged between the primary filter (202) and the high-efficiency filter (203), air leakage openings (7) are formed in the bottoms of the first side plate (3) and the second side plate (4), and a movable glass door (8) is arranged on the working platform (1), casing (201) offer and be used for supplying glass door (8) male insertion groove (211), first curb plate (3) and second curb plate (4) be provided with spout (9), insertion groove (211) and spout (9) intercommunication, the both sides of glass door (8) insert in spout (9), the top of first curb plate (3) and second curb plate (4) seted up and removed chamber (10), removal chamber (10) in be provided with balancing weight (1001), balancing weight (1001) and glass door (8) between connect rope (12) through pulley (11), first curb plate (3) and second curb plate (4) still be provided with wiring groove (13) that are used for holding to connect rope (12).

2. A purification work bench according to claim 1, characterized in that the chute (9) is U-shaped, and that a U-shaped plastic strip (14) is arranged in the chute (9).

3. A purification working platform according to claim 1, wherein a door handle (15) is fixedly connected to the bottom of the glass door (8), insertion blocks (1501) inserted into the wiring grooves (13) are arranged at both ends of the door handle (15), and the connecting rope (12) is fixedly connected with the insertion blocks (1501).

4. A purification work bench according to claim 1, characterized in that a slot (16) is provided in a side wall of the moving chamber (10), the pulley (11) is mounted in the slot (16), the pulley (11) is provided with a mounting bracket (1101), and the mounting bracket (1101) is connected with the bottom of the slot (16) by screws.

5. A purification work bench according to claim 1, characterized in that the first side plate (3), the second side plate (4) and the third side plate (5) are provided with glass windows (17).

6. A purification working platform according to claim 1, wherein four support legs (18) are arranged below the working platform (1) for supporting the working platform (1), and universal wheels (1801) are arranged at the bottom of the support legs (18).

7. A purification station according to claim 1, wherein the third side plate (5) is provided with uv lamps (19) above the glass windows (17).

8. A decontamination station as claimed in claim 1, wherein the housing (201) is provided with illumination means at the bottom thereof, the housing (201) is provided with a plurality of openings (221) at the bottom thereof, and the high efficiency filter (203) is mounted above the openings (221).