CN217341473U

CN217341473U - Laboratory bench with isolated function of oxidation

Info

Publication number: CN217341473U
Application number: CN202123397065.9U
Authority: CN
Inventors: 李姝�; 高洁
Original assignee: Qingdao Zhongchuang Zhiling Laboratory System Engineering Co ltd
Current assignee: Qingdao Zhongchuang Zhiling Laboratory System Engineering Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-09-02
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a test bench with oxidation isolation function, which comprises a workbench, wherein the upper surface of the workbench is provided with a placement groove which is annularly arranged, the inner sleeve of the placement groove is provided with a fixed cover which is arranged against the lower end opening, the upper end of the fixed cover is provided with a threaded hole in a penetrating way, the threaded hole is internally connected with a threaded rod, when in use, an article to be placed with oxidation can be placed on the upper surface of the workbench at a position between the placement grooves, then the fixed cover is sleeved in the placement groove, then the threaded rod can be rotated by rotating a handle, and the threaded rod drives a sealing plate to ascend by matching with the threaded hole, so that the bottom end of the fixed cover forms a negative pressure state, and carries out sealing adsorption between a rubber layer and the fixed cover in the placement groove, thereby isolating the outside air and carrying out anti-oxidation isolation on the article inside, and when the fixed cover needs to be taken, the fixed cover can be taken down to take the article by reversely rotating the handle.

Description

Laboratory bench with isolated function of oxidation

Technical Field

The utility model relates to an experiment table technical field especially relates to an experiment table with isolated function of oxidation.

Background

The laboratory bench is a device commonly used for laboratory tests in units such as hospitals, schools, chemical plants, scientific research institutions and the like.

And in the current part experiment material that is used for the experiment, because need wait for the interpolation time in the experiment to need place one side to the experiment material, thereby make things convenient for subsequent taking and interpolation, and partial experiment material can have oxidation reaction, and it is located the outside for a long time and changes or damage its nature easily, is necessary to provide a laboratory bench that has the isolated function of oxidation to this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, adapt to practical needs, and provide a laboratory bench with the function of oxidation isolation.

In order to realize the utility model discloses a purpose, the utility model discloses the technical scheme who adopts does:

the experiment table with the oxidation isolation function comprises a workbench, wherein a placing groove which is arranged in an annular shape is formed in the upper surface of the workbench, a fixing cover which is arranged to abut against an opening at the lower end is sleeved in the placing groove, a threaded hole is formed in the upper end of the fixing cover in a penetrating mode, a threaded rod is connected with the threaded hole in an internal thread mode, the lower end of the threaded rod extends into the fixing cover in a penetrating mode, a sealing plate is connected to one end, located in a fixing seat, of the threaded rod in a rotating mode through a bearing, a sealing groove which is arranged in an annular shape is formed in the outer side wall of the sealing plate, a rubber sealing washer is fixedly sleeved in the sealing groove, the outer ring of the rubber sealing washer extends into the fixing cover in a penetrating mode and abuts against the inner wall of the fixing cover, the upper end of the threaded rod extends out of the fixing cover in a penetrating mode, and two clamping grooves are formed in one end, located outside the fixing cover, of the threaded rod, two equal sliding connection has a stopper in the draw-in groove, two wherein one end of stopper all runs through and extends to outside the draw-in groove and a common fixedly connected with connecting plate.

Furthermore, the upper end of the threaded rod, which is positioned outside the fixed cover, is fixedly connected with a rotating handle, and the threaded rod can be rotated by rotating the handle.

Furthermore, a rubber layer is fixedly connected to the wall of the placing groove, and the joint of the placing groove and the fixing cover can be sealed through the rubber layer.

Furthermore, the equal fixedly connected with bracing piece in four corners department of workstation lower surface can support the workstation through four spinal branch vaulting poles.

Further, the equal fixedly connected with guard plate in wherein three side edges of workstation upper surface can protect the outside through the guard plate, avoids the article on the workstation to cause the injury to the outside.

Furthermore, an opening at the lower end of the fixed cover is sleeved in the placing groove.

The beneficial effects of the utility model reside in that: when the novel multifunctional electric cooker is used, articles needing to be placed and oxidized can be placed on the upper surface of the workbench at the position between the placing grooves, then the fixing cover is sleeved in the placing grooves, then the threaded rod can be rotated through the rotating handle, the threaded rod rises through the matching driving sealing plate with the threaded hole, and therefore the bottom end of the fixing cover forms a negative pressure state, sealing adsorption is conducted between the rubber layer and the fixing cover in the placing grooves, therefore, the outside air can be isolated, anti-oxidation isolation is conducted on the articles inside, and the articles can be taken down from the fixing cover by reversely rotating the handle when the articles need to be taken.

Drawings

FIG. 1 is a schematic structural diagram of a closed state of a laboratory bench with oxidation isolation function according to the present design;

FIG. 2 is a schematic structural diagram of an open state of a laboratory bench with oxidation isolation function according to the present disclosure;

FIG. 3 is a top view of the retaining cap of the present design;

FIG. 4 is a schematic view of the internal structure of the retaining cap of the present design;

fig. 5 is a schematic structural diagram of a sealing plate in the present design.

Detailed Description

The invention will be further described with reference to the following figures and examples:

example (b): a laboratory table with oxidation isolation function, see fig. 1 to 5.

The experiment table with the oxidation isolation function comprises a workbench 1, wherein an annular placing groove 2 is formed in the upper surface of the workbench 1, a fixing cover 3 which is arranged to abut against the lower end opening is sleeved in the placing groove 2, a threaded hole 4 is formed in the upper end of the fixing cover 3 in a penetrating mode, a threaded rod 5 is connected with the threaded hole 4 in an internal thread mode, the lower end of the threaded rod 5 extends into the fixing cover 3 in a penetrating mode, a sealing plate 6 is connected to one end, located in a fixing seat 3, of the threaded rod 5 in a rotating mode through a bearing, a sealing groove 7 which is arranged in an annular mode is formed in the outer side wall of the sealing plate 6, a rubber sealing washer 8 is fixedly sleeved in the sealing groove 7, the outer ring of the rubber sealing washer 8 extends into the fixing cover 3 in a penetrating mode and abuts against the inner wall of the fixing cover 3, the upper end of the threaded rod 5 extends out of the fixing cover 3 in a penetrating mode, just two draw-in grooves 9, two are seted up to threaded rod 5 one end that is located fixed cover 3 outside equal sliding connection has a stopper 10 in the draw-in groove 9, two wherein one end of stopper 10 all runs through and extends to draw-in groove 9 outside and a common fixedly connected with connecting plate 11.

Further, the upper end of the threaded rod 5 outside the fixed cover 3 is fixedly connected with a rotating handle 12, and the threaded rod 5 can be rotated by rotating the rotating handle 12.

Further, a rubber layer 13 is fixedly connected to the wall of the placing groove 2, and the joint between the placing groove 2 and the fixing cover 3 can be sealed through the rubber layer 13.

Furthermore, the four corners of the lower surface of the workbench 1 are fixedly connected with a supporting rod 14, and the workbench 1 can be supported by the four supporting rods 14.

Further, the equal fixedly connected with of wherein three side edges of 1 upper surface of workstation guard plate 15, can protect the outside through guard plate 15, avoid the article on the workstation 1 to cause the injury to the outside.

Further, the lower end opening of the fixed cover 3 is sleeved in the placing groove 2.

Specifically, when in use, the object to be oxidized and isolated can be placed on the upper surface of the workbench 1 in the placing groove 2, then the lower end opening of the fixed cover 3 can be sleeved in the placing groove 2, the threaded rod 5 can be rotated by rotating the handle 12, the threaded rod 5 can drive the threaded rod 5 to ascend through matching with the threaded hole 4, the threaded rod 5 drives the sealing plate 6 to ascend synchronously, thereby leading the inside of the fixed cover 3 to form a negative pressure state, and avoiding the oxidation of the articles caused by the entering of a large amount of external oxygen through the negative pressure adsorption and sealing between the fixed cover 3 and the placing groove 2, meanwhile, when the clamping groove 9 on the threaded rod 5 rises to the outside of the fixed seat 3, the limiting block 10 can be put in and taken out of the clamping groove 9, thereby, the threaded rod 5 can be limited to avoid descending to influence the negative pressure suction state, and the oxidation isolation state of the fixed cover 3 is avoided.

The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims

1. The utility model provides a laboratory bench with isolated function of oxidation which includes the workstation, its characterized in that: the upper surface of the workbench is provided with an annular placing groove, the placing groove is internally sleeved with a fixed cover which is arranged to abut against an opening at the lower end, the upper end of the fixed cover is provided with a threaded hole in a penetrating way, the threaded hole is connected with a threaded rod in an internal thread way, the lower end of the threaded rod extends into the fixed cover in a penetrating way, one end of the threaded rod which is positioned in the fixed seat is rotatably connected with a sealing plate through a bearing, the outer side wall of the sealing plate is provided with an annular sealing groove, a rubber sealing gasket is fixedly sleeved in the sealing groove, the outer ring of the rubber sealing gasket extends into the fixed cover in a penetrating way and abuts against the inner wall of the fixed cover, the upper end of the threaded rod extends out of the fixed cover in a penetrating way, the end of the threaded rod which is positioned outside the fixed cover is provided with two clamping grooves, and two limiting blocks are connected in the two clamping grooves in a sliding way, one end of each of the two limiting blocks penetrates through the connecting plate which extends to the outside of the clamping groove and is fixedly connected with the clamping groove together.

2. A laboratory table with oxidation barrier function according to claim 1, wherein: the upper end of the threaded rod, which is positioned outside the fixed cover, is fixedly connected with a rotating handle, and the threaded rod can be rotated by rotating the handle.

3. The laboratory table with oxidation barrier function according to claim 1, wherein: the rubber layer is fixedly connected to the wall of the placing groove, and the place where the placing groove is connected with the fixing cover can be sealed through the rubber layer.

4. A laboratory table with oxidation barrier function according to claim 1, wherein: the equal fixedly connected with bracing piece in four corners department of workstation lower surface can support the workstation through four spinal branch vaulting poles.

5. The laboratory table with oxidation barrier function according to claim 1, wherein: the protection plate is fixedly connected to the edges of three sides of the upper surface of the workbench, the protection plate can protect the outside, and the damage to the outside caused by the objects on the workbench is avoided.

6. A laboratory table with oxidation barrier function according to claim 1, wherein: the lower end opening of the fixed cover is sleeved in the placing groove.