CN211504198U - Portable gas metering device for chemistry experiments - Google Patents
Portable gas metering device for chemistry experiments Download PDFInfo
- Publication number
- CN211504198U CN211504198U CN202020364266.5U CN202020364266U CN211504198U CN 211504198 U CN211504198 U CN 211504198U CN 202020364266 U CN202020364266 U CN 202020364266U CN 211504198 U CN211504198 U CN 211504198U
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- working box
- box
- gas metering
- metering device
- nut seat
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- Expired - Fee Related
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- 239000000126 substance Substances 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
The utility model discloses a portable gas metering device for chemical experiments, which comprises a working box and a box door, wherein the box door is arranged on the side wall of one side of the working box, a gas metering instrument is arranged in the working box, a movable plate is moved downwards due to the fact that a rotating shaft passes through the interior of a nut seat and is in threaded connection with the nut seat, a support column is moved towards the outer side of a rectangular groove, the height of the working box is increased, when the working box reaches the designated height, the box door is opened through a handle, the gas metering instrument in the working box is used for measuring, the position of the working box can be adjusted, the space of a test bench is not required to be occupied, the experiment is not influenced by the height of the test bench, the experiment efficiency is improved, the labor intensity of a laboratory technician is reduced, the gas measuring work is convenient, when the gas metering device is not used, the working box, the portable transportation, and outside work box can get up instrument protection, avoids receiving external damage.
Description
Technical Field
The utility model relates to a laboratory professional equipment field specifically is a chemistry is portable gas metering device for experiments.
Background
During the chemistry experiment, often need use gas metering device, current gas metering instrument is when using, need put on test table face, because gas metering instrument volume is great, lead to test table face test tube instrument to need remove some, use to have after accomplishing to restore the normal position with the instrument of removing, influence the efficiency of experiment, and increase laboratory technician's intensity of labour, and current gas metering instrument exposes the instrument in the outside mostly, can not play the guard action, should not carry the transport.
The chinese patent with the publication number CN108212023A discloses a portable gas generator for chemistry teaching experiments, comprising a base plate, the top of bottom plate is equipped with the first thing groove of putting, the first bottom of putting the thing groove is equipped with water storage box and objective table, the both sides of objective table are equipped with the first clamping device and the second clamping device that the structure is the same and the symmetry sets up respectively, first clamping device and second clamping device are fixed in respectively on the inner wall of first thing groove and the outer wall of water storage box, first clamping device is including being fixed in the first mounting panel of putting on the thing inslot wall, the top of first mounting panel is equipped with sliding connection in the first sleeve of putting on the thing inslot wall, telescopic top is equipped with the second mounting panel of being fixed in on the first thing inslot wall, it is connected with the screw rod to rotate on the second mounting panel. The invention has the advantages of small occupied area, convenient carrying and transportation, simple structure, convenient use and wide application range, reduces the working strength of teachers, improves the teaching quality of the teachers and meets the use requirements of the teachers. This patent and the utility model discloses compare, there is current gas metering instrument when using, need put on test table face, because gas metering instrument is bulky, lead to test table face test tube instrument to need to remove some, have the instrument that needs will remove after the use is accomplished and resume the normal position, influence the efficiency of experiment, and increase laboratory technician's intensity of labour and instrument expose the instrument in the outside mostly, can not play the guard action, should not carry the problem of transport.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable gas metering device for chemistry experiments to solve current gas metering instrument when using, need put on test table face, because gas metering instrument volume is great, lead to test table face test tube instrument to need to remove some, have the instrument that needs will remove after the use is accomplished and resume the normal position, influence the efficiency of experiment, and increase laboratory technician's intensity of labour, and current gas metering instrument exposes the instrument in the outside mostly, can not play the guard action, the problem of transport should not carry.
The purpose of the utility model can be realized by the following technical scheme:
a portable gas metering device for chemical experiments comprises a working box and a box door, wherein the box door is arranged on the side wall of one side of the working box, a handle is arranged in the middle of the outer side wall of the box door, a gas metering instrument is arranged in the working box, and rectangular grooves are respectively formed in the working box on the two sides of the gas metering instrument;
a moving plate is arranged in each rectangular groove, support columns are fixedly arranged at the two ends of the bottom of each moving plate respectively, the bottom end of each support column penetrates through the bottom surface of the rectangular groove and extends out of the working box, rollers are arranged at the bottom of each support column, a nut seat is arranged at the middle position of each moving plate, a rotating shaft penetrates through the interior of the nut seat and is in threaded connection with the nut seat, the top ends of the two rotating shafts penetrate through the rectangular groove and extend out of the working box, the top ends of the rotating shafts extending out of the working box are provided with adjusting discs, the side walls of the two sides of each moving plate are provided with sliding blocks, the sliding grooves are formed in the inner walls of the two sides of the rectangular groove corresponding to the sliding block, the sliding block is arranged in the sliding grooves, the fixed bearing seat is arranged in the working box above each rectangular groove, the rotating shaft penetrates through the fixed bearing seat, and a bearing is arranged at the joint of the bottom end of the rotating shaft and the bottom surface of the rectangular groove.
As a further aspect of the present invention: the middle position of the side wall of one side of the working box is provided with a notch, the box door is arranged in the notch, the side wall of one end of the box door is connected with the inner wall of one end of the notch through a hinge, the box door can be opened through the handle, and then the gas metering instrument in the working box can be used.
As a further aspect of the present invention: the middle position of the top surface of the working box is provided with a handle, the handle is fixed with the top surface of the working box in a welding mode, and when the working box is not used, the working box can be lifted through the handle, so that the working box is convenient to carry and transport.
As a further aspect of the present invention: the through hole is formed in the middle of each moving plate, the nut seat is fixedly arranged inside each through hole, and when the rotating shaft rotates, the rotating shaft penetrates through the inside of the nut seat and is in threaded connection with the nut seat, so that the moving plate moves up and down, and power is provided for moving the moving plate.
As a further aspect of the present invention: the sliding groove in each rectangular groove inner wall is arranged in the vertical direction, the contact surface of the rectangular groove and the sliding block is a smooth surface, and the rotation of the moving plate is limited, so that the moving plate can only slide along the direction of the sliding groove.
As a further aspect of the present invention: the through hole has all been seted up to the inside of the work box of every rectangular channel top, and the pivot setting is in the inside of through hole for the pivot can be in the inside free rotation of work box through hole, realizes the altitude mixture control purpose of movable plate.
The utility model has the advantages that:
in the utility model, the adjusting disk is rotated to drive the rotating shaft to rotate, when the rotating shaft rotates, because the rotating shaft penetrates through the interior of the nut seat and is in threaded connection with the nut seat, the moving plate moves downwards, the supporting column moves towards the outer side of the rectangular groove, the height of the working box is increased, when the working box reaches the designated height, the box door is opened through the handle, the gas metering instrument in the working box is used for measuring, the position of the working box can be adjusted, the space of a laboratory bench is not occupied, so that the experiment is not influenced by the height of the experiment table, the experiment efficiency is improved, the labor intensity of an experimenter is reduced, the gas measurement work is convenient, when the gas measuring device is not used, can mention the work box through the handle, portable transportation, and outside work box can get up instrument protection, avoids receiving external damage.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of a portable gas metering device for chemical experiments according to the present invention;
fig. 2 is a schematic structural view of the middle moving plate of the present invention;
fig. 3 is a top view of the present invention shown in fig. 1;
in the figure: 1. a roller; 2. a rectangular groove; 3. a support pillar; 4. moving the plate; 5. a nut seat; 6. fixing a bearing seat; 7. a work box; 8. an adjusting disk; 9. a rotating shaft; 10. a box door; 11. a handle; 12. a slider; 13. a bearing; 14. and (4) a handle.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, a portable gas metering device for chemical experiments comprises a work box 7 and a box door 10, wherein the box door 10 is arranged on the side wall of one side of the work box 7, a handle 11 is arranged in the middle of the outer side wall of the box door 10, a gas metering instrument is arranged inside the work box 7, and rectangular grooves 2 are respectively arranged inside the work box 7 on the two sides of the gas metering instrument;
a moving plate 4 is arranged inside each rectangular groove 2, support columns 3 are fixedly arranged at two ends of the bottom of each moving plate 4 respectively, the bottom end of each support column 3 penetrates through the bottom surface of the rectangular groove 2 and extends out of the outer side of a working box 7, rollers 1 are arranged at the bottom of each support column 3, a nut seat 5 is arranged at the middle position of each moving plate 4, a rotating shaft 9 penetrates through the interior of the nut seat 5 and is in threaded connection with the nut seat 5, the top ends of the two rotating shafts 9 penetrate through the rectangular groove 2 and extend out of the outer side of the working box 7, an adjusting disc 8 is arranged at the top end of each rotating shaft 9 extending out of the working box 7, sliding blocks 12 are arranged on the side walls at two sides of each moving plate 4, sliding grooves are formed in the inner walls at two sides of the rectangular groove 2 corresponding to the sliding blocks 12, the sliding blocks 12 are arranged inside the sliding grooves, and a fixed bearing seat, the rotating shaft 9 penetrates through the inside of the fixed bearing seat 6, the bearing 13 is arranged at the joint of the bottom end of the rotating shaft 9 and the bottom surface of the rectangular groove 2, when the gas measuring device is used, the working box 7 is placed on one side of the experiment table, the adjusting disc 8 is rotated, the adjusting disc 8 drives the rotating shaft 9 to rotate, when the rotating shaft 9 rotates, the rotating shaft 9 penetrates through the inside of the nut seat 5 and is in threaded connection with the nut seat 5, the moving plate 4 moves downwards, the supporting column 3 moves towards the outer side of the rectangular groove 2, the height of the working box 7 is increased, when the working box 7 reaches a specified height, the box door 10 is opened through the handle 11, a gas measuring instrument inside the working box 7 is used for measuring, the position of the working box 7 can be adjusted, the experiment table space does not need to be occupied, the experiment is not influenced by the height of the experiment table, the gas, the work box 7 can be lifted by the handle 14, and is convenient to carry and transport.
The notch has been seted up to the middle part position of work box 7 one side lateral wall, and chamber door 10 sets up in the inside of notch, and the lateral wall of chamber door 10 one end passes through hinge connection with the one end inner wall of notch, can open chamber door 10 through handle 11, alright use the inside gas metering instrument of work box 7.
The middle position of the top surface of the working box 7 is provided with a handle 14, the handle 14 is fixed with the top surface of the working box 7 in a welding mode, when the multifunctional lifting device is not used, the working box 7 can be lifted through the handle 14, and carrying and transportation are convenient.
The through hole has all been seted up to the middle part position of every movable plate 4, and the inside of every through hole all is fixed and is provided with nut seat 5, and when pivot 9 rotated, because pivot 9 passed the inside of nut seat 5 and pass through threaded connection with nut seat 5 for the movable plate 4 takes place the removal of upper and lower position, provides power for the removal of movable plate 4.
The spout on 2 inner walls of every rectangular channel is vertical direction setting, and the contact surface of rectangular channel 2 and slider 12 is the smooth surface, restricts the rotation of movable plate 4 for movable plate 4 can only slide along the direction of spout.
The through hole has all been seted up to the inside of the work box 7 of every rectangular channel 2 top, and pivot 9 sets up in the inside of through hole for pivot 9 can be in the inside free rotation of work box 7 through hole, realizes the altitude mixture control purpose of movable plate 4.
The utility model discloses a theory of operation: the utility model discloses during the use, place one side at the laboratory bench with work box 7, rotate adjustment disk 8, 8 drive pivots 9 of adjustment disk take place to rotate, when pivot 9 rotates, because pivot 9 passes the inside of nut seat 5 and passes through threaded connection with nut seat 5, make movable plate 4 downstream, make support column 3 remove to the outside of rectangular channel 2, then make the high increase of work box 7, when work box 7 reaches the assigned height, open chamber door 10 through handle 11, use the inside gas metering instrument of work box 7 to measure work, can adjust the position of work box 7, do not need to occupy the laboratory bench space, make the experiment not receive the high influence of laboratory bench, be convenient for carry out gas measurement work, when not using, can mention work box 7 through handle 14, portable transportation.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A portable gas metering device for chemical experiments comprises a working box (7) and a box door (10), and is characterized in that the box door (10) is arranged on the side wall of one side of the working box (7), a handle (11) is arranged in the middle of the outer side wall of the box door (10), a gas metering instrument is installed in the working box (7), and rectangular grooves (2) are respectively formed in the working box (7) on the two sides of the gas metering instrument;
a moving plate (4) is arranged inside each rectangular groove (2), support columns (3) are fixedly arranged at two ends of the bottom of each moving plate (4) respectively, the bottom end of each support column (3) penetrates through the bottom surface of the rectangular groove (2) and extends out of the working box (7), rollers (1) are arranged at the bottom of each support column (3), a nut seat (5) is arranged at the middle position of each moving plate (4), a rotating shaft (9) penetrates through the inside of the nut seat (5) and is in threaded connection with the nut seat (5), the top ends of the two rotating shafts (9) penetrate through the rectangular grooves (2) and extend out of the working box (7), adjusting discs (8) are arranged at the top ends of the rotating shafts (9) extending out of the working box (7), sliders (12) are arranged on the side walls at two sides of each moving plate (4), sliding grooves are formed in the inner walls at two sides of the rectangular grooves (2) corresponding to the sliders (12), the slider (12) sets up in the inside of spout, and the inside of work box (7) above every rectangular channel (2) all is provided with fixed bearing frame (6), and pivot (9) pass the inside of fixed bearing frame (6), and the bottom of pivot (9) is provided with bearing (13) with the bottom surface junction of rectangular channel (2).
2. The portable gas metering device for the chemical experiment is characterized in that a notch is formed in the middle of one side wall of the working box (7), the box door (10) is arranged inside the notch, and the side wall of one end of the box door (10) is connected with the inner wall of one end of the notch through a hinge.
3. The portable gas metering device for the chemical experiment is characterized in that a handle (14) is arranged in the middle of the top surface of the working box (7), and the handle (14) is fixedly welded with the top surface of the working box (7).
4. The portable gas metering device for chemical experiments as claimed in claim 1, wherein a through hole is formed in the middle of each moving plate (4), and a nut seat (5) is fixedly arranged in each through hole.
5. The portable gas metering device for chemical experiments as claimed in claim 1, wherein the sliding grooves on the inner wall of each rectangular groove (2) are arranged in the vertical direction, and the contact surface between the rectangular groove (2) and the sliding block (12) is a smooth surface.
6. The portable gas metering device for chemical experiments as claimed in claim 1, wherein a through hole is formed in the working box (7) above each rectangular groove (2), and the rotating shaft (9) is arranged in the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020364266.5U CN211504198U (en) | 2020-03-20 | 2020-03-20 | Portable gas metering device for chemistry experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020364266.5U CN211504198U (en) | 2020-03-20 | 2020-03-20 | Portable gas metering device for chemistry experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504198U true CN211504198U (en) | 2020-09-15 |
Family
ID=72402992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020364266.5U Expired - Fee Related CN211504198U (en) | 2020-03-20 | 2020-03-20 | Portable gas metering device for chemistry experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504198U (en) |
-
2020
- 2020-03-20 CN CN202020364266.5U patent/CN211504198U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 |