CN221027704U - Fresh-keeping nitrogen making machine for food - Google Patents
Fresh-keeping nitrogen making machine for food Download PDFInfo
- Publication number
- CN221027704U CN221027704U CN202322712788.6U CN202322712788U CN221027704U CN 221027704 U CN221027704 U CN 221027704U CN 202322712788 U CN202322712788 U CN 202322712788U CN 221027704 U CN221027704 U CN 221027704U
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- Prior art keywords
- fresh
- nitrogen
- making machine
- keeping box
- keeping
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 209
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 99
- 238000007789 sealing Methods 0.000 claims description 16
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009920 food preservation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Landscapes
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The utility model discloses a food fresh-keeping nitrogen making machine, which relates to the technical field of nitrogen making machines and comprises a bottom plate, an exhaust structure and a closed structure, wherein a nitrogen making machine main body is arranged on one side of the top end of the bottom plate, an air inlet pipe is arranged at the bottom end of one side of the nitrogen making machine main body, a connecting pipe is arranged at the top end of one side of the nitrogen making machine main body, which is far away from the air inlet pipe, a nitrogen buffer tank is arranged at the top end of the bottom plate on one side of the nitrogen making machine main body, a nitrogen inlet pipe is arranged at the top end of one side, which is far away from the nitrogen making machine main body, and a valve is arranged at one end of the nitrogen inlet pipe. According to the utility model, the fixed spring is compressed through the sliding block, the air in the fresh-keeping box is discharged, the nitrogen concentration in the fresh-keeping box is detected through the nitrogen concentration detector, and after the concentration is qualified, the nitrogen can be stopped being introduced.
Description
Technical Field
The utility model relates to the technical field of nitrogen making machines, in particular to a food fresh-keeping nitrogen making machine.
Background
The nitrogen making machine is a device for separating oxygen and nitrogen in air as raw materials by using a physical method to obtain nitrogen, and is industrially applied to three kinds of nitrogen making machines, namely a cryogenic air separation method, a molecular sieve air separation method and a membrane air separation method, according to different classification methods, the nitrogen making machine is nitrogen making equipment designed and manufactured according to a pressure swing adsorption technology, and the nitrogen is completely inert to food, does not affect the color, the aroma, the taste and other qualities of the food, but can well prevent bacteria from breeding, so the nitrogen making machine has important application in food preservation.
Through the search, chinese patent grant publication No. CN218663319U, publication day 2023, 3 and 21, discloses a high-efficiency nitrogen generator for food preservation, and it is proposed that "nitrogen is injected into the fresh-keeping box through the connecting pipe, and part of nitrogen is injected into the storage barrel through the air supplementing pipe," the nitrogen concentration in the storage barrel cannot be detected and regulated ", and in view of this, aiming at the above problems, the present case has been developed.
Disclosure of utility model
The utility model aims to provide a food fresh-keeping nitrogen making machine, which aims to solve the problem that the nitrogen concentration cannot be detected and regulated in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the food fresh-keeping nitrogen making machine comprises a bottom plate, an exhaust structure and a closed structure;
The nitrogen generator comprises a bottom plate, a nitrogen generator main body, a connecting pipe, a nitrogen buffer tank, a valve, a fresh-keeping box and a sealing structure, wherein the nitrogen generator main body is arranged on one side of the top of the bottom plate, the air inlet pipe is arranged at the bottom end of one side of the nitrogen generator main body, the connecting pipe is arranged at the top end of one side of the nitrogen generator main body, which is far away from the air inlet pipe, the nitrogen buffer tank is arranged at the top end of one side of the nitrogen generator main body, which is far away from the nitrogen inlet pipe, the valve is arranged at one end of the nitrogen inlet pipe, the fresh-keeping box is arranged at the top end of one side of the nitrogen buffer tank, which is far away from the nitrogen generator main body, of the bottom plate, and the sealing structure is positioned at the bottom end inside the fresh-keeping box;
A nitrogen concentration detector is arranged on one side of the fresh-keeping box, which is close to the nitrogen buffer tank, and an exhaust structure is arranged on one side of the top end of the fresh-keeping box;
The utility model discloses a fresh-keeping box, including the fresh-keeping box, the fresh-keeping box is characterized by comprising an exhaust passage, the exhaust passage is offered in the inside of fresh-keeping box top one side, and the top of fresh-keeping box in exhaust passage both sides all installs the installation spout, the inside of installation spout is all vertical to be installed the slide bar, and the equal sliding connection of outer wall of slide bar has the slider, the outer wall of slider top slide bar all overlaps and is equipped with fixing spring, and is connected with the piston between the slider.
Preferably, one end of the nitrogen gas inlet pipe sequentially penetrates through the valve and the fresh-keeping box, and one end of the nitrogen gas inlet pipe extends to the top end inside the fresh-keeping box.
Preferably, the sides of the sliding blocks, which are close to each other, penetrate through the mounting sliding grooves, and the sides of the sliding blocks, which are close to each other, extend between the mounting sliding grooves.
Preferably, the bottom end of the piston extends to the inside of the exhaust channel, and the piston and the sliding rod form a sliding structure through the sliding block.
Preferably, the enclosed construction includes chamber door, rubber sealing ring, screw thread piece, mounting groove, threaded rod, loading board and servo motor, the mounting groove is installed in the inside bottom of fresh-keeping case, and servo motor installs in the bottom of fresh-keeping case one side, the threaded rod is installed to servo motor's output, and the outer wall of the inside threaded rod of mounting groove has the screw thread piece through threaded connection, the loading board is installed on the top of screw thread piece, and installs the chamber door in one side of loading board, the rubber sealing ring is installed in the outside that the chamber door is close to fresh-keeping case one side.
Preferably, one end of the threaded rod sequentially penetrates through the fresh-keeping box and the mounting groove to extend to one side inside the mounting groove, and the threaded rod is mounted on one side inside the mounting groove through the rotating shaft.
Preferably, the top end of the screw block passes through the mounting groove, and the top end of the screw block extends to the upper side of the mounting groove.
Compared with the prior art, the utility model has the beneficial effects that: after introducing nitrogen gas, the inside pressure of fresh-keeping case increases, promote the piston, make the piston follow exhaust passage's inside take out, drive the slider through the piston, make the slider upwards slide at the outer wall of slide bar, make the compression of fixed spring through the slider, with the inside air discharge of fresh-keeping case, detect the inside nitrogen gas concentration of fresh-keeping case through nitrogen gas concentration detector, after the concentration is qualified, can stop introducing nitrogen gas, and under fixed spring's reaction force, the slider can be at the outer wall downwardly sliding of slide bar, drive the piston through the slider, make the inside that the piston inserted exhaust passage, seal, this structure has realized the discharge to the air, and convenient regulation to nitrogen gas concentration.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 2 is a schematic diagram of a front view structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 1B according to the present utility model.
In the figure: 1. a bottom plate; 2. a nitrogen generator main body; 3. a nitrogen buffer tank; 4. a fresh-keeping box; 5. a nitrogen concentration detector; 6. a nitrogen gas inlet pipe; 7. a valve; 8. a connecting pipe; 9. a closed structure; 901. a door; 902. a rubber seal ring; 903. a screw block; 904. a mounting groove; 905. a threaded rod; 906. a carrying plate; 907. a servo motor; 10. an air inlet pipe; 11. a piston; 12. an exhaust passage; 13. installing a chute; 14. a slide bar; 15. a fixed spring; 16. a sliding block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1-4, a food fresh-keeping nitrogen making machine comprises a bottom plate 1, an exhaust structure and a sealing structure 9;
The nitrogen generator main body 2 is arranged on one side of the top end of the bottom plate 1, the air inlet pipe 10 is arranged at the bottom end of one side of the nitrogen generator main body 2, the connecting pipe 8 is arranged at the top end of one side of the nitrogen generator main body 2 far away from the air inlet pipe 10, the nitrogen buffer tank 3 is arranged at the top end of one side of the bottom plate 1 of the nitrogen generator main body 2, the nitrogen inlet pipe 6 is arranged at the top end of one side of the nitrogen buffer tank 3 far away from the nitrogen generator main body 2, the valve 7 is arranged at one end of the nitrogen inlet pipe 6, the fresh-keeping box 4 is arranged at the top end of one side of the nitrogen buffer tank 3 far away from the nitrogen generator main body 2 and the closed structure 9 is positioned at the bottom end inside the fresh-keeping box 4;
One end of the nitrogen gas inlet pipe 6 sequentially passes through the valve 7 and the fresh-keeping box 4, one end of the nitrogen gas inlet pipe 6 extends to the top end of the fresh-keeping box 4, one side of the fresh-keeping box 4, which is close to the nitrogen buffer tank 3, is provided with the nitrogen concentration detector 5, and the exhaust structure is positioned on one side of the top end of the fresh-keeping box 4;
referring to fig. 1-4, a food fresh-keeping nitrogen making machine further comprises an exhaust structure, wherein the exhaust structure comprises an exhaust channel 12, the exhaust channel 12 is arranged in the interior of one side of the top end of the fresh-keeping box 4, the top ends of the fresh-keeping boxes 4 on two sides of the exhaust channel 12 are respectively provided with a mounting chute 13, the interiors of the mounting chute 13 are respectively vertically provided with a slide bar 14, the outer walls of the slide bars 14 are respectively and slidingly connected with a slide block 16, the outer walls of the slide bars 14 above the slide blocks 16 are respectively sleeved with a fixed spring 15, and pistons 11 are connected between the slide blocks 16;
one side of the sliding block 16, which is close to each other, passes through the mounting sliding groove 13, and one side of the sliding block 16, which is close to each other, extends between the mounting sliding grooves 13;
The bottom end of the piston 11 extends to the inside of the exhaust channel 12, and the piston 11 and the slide rod 14 form a sliding structure through the slide block 16;
Specifically, as shown in fig. 1, 2 and 4, when the mechanism is used, the pressure inside the fresh-keeping box 4 is increased, the piston 11 is pushed, the piston 11 is pulled out from the inside of the exhaust channel 12, the piston 11 drives the slide block 16, the slide block 16 slides upwards on the outer wall of the slide bar 14, the slide block 16 compresses the fixed spring 15, the air inside the fresh-keeping box 4 is discharged, the nitrogen concentration inside the fresh-keeping box 4 is detected by the nitrogen concentration detector 5, and after the concentration is qualified, the nitrogen can be stopped.
Example 2: the sealing structure 9 comprises a box door 901, a rubber sealing ring 902, a thread block 903, a mounting groove 904, a threaded rod 905, a bearing plate 906 and a servo motor 907, wherein the mounting groove 904 is arranged at the bottom end of the inside of the fresh-keeping box 4, the servo motor 907 is arranged at the bottom end of one side of the fresh-keeping box 4, the threaded rod 905 is arranged at the output end of the servo motor 907, the outer wall of the threaded rod 905 inside the mounting groove 904 is connected with the thread block 903 through threads, the bearing plate 906 is arranged at the top end of the thread block 903, the box door 901 is arranged at one side of the bearing plate 906, and the rubber sealing ring 902 is arranged at the outer side of the box door 901, which is close to one side of the fresh-keeping box 4;
One end of a threaded rod 905 sequentially passes through the fresh-keeping box 4 and the mounting groove 904 to extend to one side of the inside of the mounting groove 904, and the threaded rod 905 is mounted on one side of the inside of the mounting groove 904 through a rotating shaft;
The top end of the threaded block 903 passes through the mounting groove 904, and the top end of the threaded block 903 extends above the mounting groove 904;
Specifically, as shown in fig. 1, 2 and 3, when the mechanism is used, the servo motor 907 is started, the threaded rod 905 reversely rotates, the threaded block 903 drives the bearing plate 906 to reenter the fresh-keeping box 4, the box door 901 is driven by the bearing plate 906, the box door 901 is tightly contacted with one side of the fresh-keeping box 4, and sealing is performed by the rubber sealing ring 902.
Working principle: the staff starts the servo motor 907, drives the threaded rod 905 to rotate through the servo motor 907, because the threaded rod 905 is connected with the threaded block 903 through threads, in the process of rotating the threaded rod 905, the threaded block 903 can move along with threads on the outer wall of the threaded rod 905, the rotating direction of the threaded rod 905 is adjusted through the servo motor 907, the threaded block 903 moves rightwards, the bearing plate 906 is driven by the threaded block 903, the bearing plate 906 is pushed out of the fresh-keeping box 4, at the moment, the staff can place food needing to be kept fresh on the top end of the bearing plate 906, the servo motor 907 is started again, the threaded rod 905 rotates reversely, the bearing plate 906 is driven by the threaded block 903 to reenter the fresh-keeping box 4, the box door 901 is driven by the bearing plate 906, the box door 901 is tightly contacted with one side of the fresh-keeping box 4, and sealing is carried out through the rubber sealing ring 902;
Then, staff can let in the inside of nitrogen making machine main part 2 with the air after the preliminary treatment through air let-in pipe 10, nitrogen making through nitrogen making machine main part 2, nitrogen gets into the inside of nitrogen buffer tank 3 through connecting pipe 8, open valve 7, let in the inside nitrogen of nitrogen buffer tank 3 through nitrogen let-in pipe 6 the inside of fresh-keeping case 4, after the nitrogen lets in, the inside pressure of fresh-keeping case 4 increases, promote piston 11, make piston 11 follow the inside of exhaust passage 12 draw out, drive slider 16 through piston 11, make slider 16 slide upwards at the outer wall of slide bar 14, make fixed spring 15 compress through slider 16, air discharge in fresh-keeping case 4 is inside, detect the nitrogen concentration in fresh-keeping case 4 through nitrogen concentration detector 5, after the concentration is qualified, can stop to let in nitrogen, and under the reaction force of fixed spring 15, slider 16 can slide downwards at the outer wall of slide bar 14, drive piston 11 through slider 16, make piston 11 insert the inside of exhaust passage 12, seal.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a food fresh-keeping nitrogen making machine, includes bottom plate (1), its characterized in that: also comprises a gas exhaust structure and a sealing structure (9);
The novel nitrogen generator comprises a bottom plate (1), wherein a nitrogen generator main body (2) is arranged on one side of the top end of the bottom plate (1), an air inlet pipe (10) is arranged at the bottom end of one side of the nitrogen generator main body (2), a connecting pipe (8) is arranged at the top end of one side of the nitrogen generator main body (2) away from the air inlet pipe (10), a nitrogen buffer tank (3) is arranged at the top end of one side of the bottom plate (1) of the nitrogen generator main body (2), a nitrogen inlet pipe (6) is arranged at the top end of one side of the nitrogen buffer tank (3) away from the nitrogen generator main body (2), a valve (7) is arranged at one end of the nitrogen inlet pipe (6), a fresh-keeping box (4) is arranged at the top end of one side of the bottom plate (1) away from the nitrogen generator main body (3), and a sealing structure (9) is arranged at the bottom end inside the fresh-keeping box (4);
A nitrogen concentration detector (5) is arranged on one side of the fresh-keeping box (4) close to the nitrogen buffer tank (3), and an exhaust structure is positioned on one side of the top end of the fresh-keeping box (4);
The utility model discloses a fresh-keeping box, including fresh-keeping box (4) and fresh-keeping box, exhaust structure includes exhaust passage (12), exhaust passage (12) are seted up in the inside of fresh-keeping box (4) top one side, and all install installation spout (13) on the top of fresh-keeping box (4) in exhaust passage (12) both sides, slide bar (14) are all vertically installed to the inside of installation spout (13), and the equal sliding connection of outer wall of slide bar (14) has slider (16), the outer wall of slider (16) top slide bar (14) all overlaps and is equipped with fixed spring (15), and is connected with piston (11) between slider (16).
2. The nitrogen making machine for fresh food according to claim 1, wherein: one end of the nitrogen gas inlet pipe (6) sequentially penetrates through the valve (7) and the fresh-keeping box (4), and one end of the nitrogen gas inlet pipe (6) extends to the top end inside the fresh-keeping box (4).
3. The nitrogen making machine for fresh food according to claim 1, wherein: one sides of the sliding blocks (16) close to each other penetrate through the mounting sliding grooves (13), and one sides of the sliding blocks (16) close to each other extend to the space between the mounting sliding grooves (13).
4. The nitrogen making machine for fresh food according to claim 1, wherein: the bottom end of the piston (11) extends to the inside of the exhaust channel (12), and the piston (11) and the sliding rod (14) form a sliding structure through the sliding block (16).
5. The nitrogen making machine for fresh food according to claim 1, wherein: the utility model provides a seal structure (9) is including chamber door (901), rubber sealing ring (902), screw thread piece (903), mounting groove (904), threaded rod (905), loading board (906) and servo motor (907), mounting groove (904) are installed in the inside bottom of fresh-keeping case (4), and servo motor (907) are installed in the bottom of fresh-keeping case (4) one side, threaded rod (905) is installed to the output of servo motor (907), and the outer wall of the inside threaded rod (905) of mounting groove (904) has screw thread piece (903) through threaded connection, loading board (906) are installed on the top of screw thread piece (903), and chamber door (901) are installed to one side of loading board (906), rubber sealing ring (902) are installed in the outside that chamber door (901) is close to fresh-keeping case (4) one side.
6. The nitrogen making machine for fresh food according to claim 5, wherein: one end of the threaded rod (905) sequentially penetrates through the fresh-keeping box (4) and the mounting groove (904) to extend to one side inside the mounting groove (904), and the threaded rod (905) is mounted on one side inside the mounting groove (904) through a rotating shaft.
7. The nitrogen making machine for fresh food according to claim 5, wherein: the top end of the threaded block (903) passes through the mounting groove (904), and the top end of the threaded block (903) extends to above the mounting groove (904).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712788.6U CN221027704U (en) | 2023-10-10 | 2023-10-10 | Fresh-keeping nitrogen making machine for food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322712788.6U CN221027704U (en) | 2023-10-10 | 2023-10-10 | Fresh-keeping nitrogen making machine for food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221027704U true CN221027704U (en) | 2024-05-28 |
Family
ID=91140445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322712788.6U Active CN221027704U (en) | 2023-10-10 | 2023-10-10 | Fresh-keeping nitrogen making machine for food |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221027704U (en) |
-
2023
- 2023-10-10 CN CN202322712788.6U patent/CN221027704U/en active Active
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| GR01 | Patent grant |