CN218266221U - Dual-mode vacuum extractor - Google Patents
Dual-mode vacuum extractor Download PDFInfo
- Publication number
- CN218266221U CN218266221U CN202222449914.9U CN202222449914U CN218266221U CN 218266221 U CN218266221 U CN 218266221U CN 202222449914 U CN202222449914 U CN 202222449914U CN 218266221 U CN218266221 U CN 218266221U
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- switch
- shell
- vacuum pump
- negative pressure
- vacuum
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Abstract
The utility model discloses a dual mode vacuum extractor, including the shell, install vacuum pump, power, switch, negative pressure switch, connecting circuit in the shell, be equipped with the extraction opening that communicates with the vacuum pump air inlet on the shell, including change over switch, connecting circuit contains first return circuit and second return circuit, change over switch connects and is used for switching between first return circuit and second return circuit on connecting circuit, first return circuit is connected vacuum pump, power, switch, negative pressure switch, and the second return circuit is connected vacuum pump, power, switch. The utility model provides a simple structure can be as required manual shut-down with reach two kinds of mode conversion dual mode vacuum-pumping ware that use of auto-stop when setting for the negative pressure.
Description
Technical Field
The utility model relates to a vacuum pumping equipment technical field, in particular to dual mode vacuum extractor.
Background
Vacuum seal package is a food package storage mode which is gradually known and accepted by people in recent years, can well solve the problems of moisture volatilization and short shelf life during food storage, is suitable for daily use of common families and convenient carrying, and is suitable for vacuum pumping of vacuum packaging bags and vacuum storage boxes, wherein the conventional handheld vacuum pumping device with small volume is available on the market at present, and is used for vacuum pumping of the vacuum packaging bags and the vacuum storage boxes; the other is to sense the air pressure through a negative pressure switch after being opened, and when a certain negative pressure is reached, the work is automatically stopped, so that the vacuum pumping device is very suitable for the vacuum pumping of the vacuum storage box, but when a packaging bag with high vacuum pumping requirement exists, the vacuum pumping degree which cannot meet the requirement can be realized.
Disclosure of Invention
The utility model aims to solve the technical problem that a dual mode vacuum extractor is provided, its simple structure can be used in two kinds of mode conversion of automatic shutdown when manual shut down and reach the settlement negative pressure as required, can solve the not enough of prior art.
The technical scheme of the utility model is that: including the shell, install vacuum pump, power, switch, negative pressure switch, connecting circuit in the shell, be equipped with on the shell with the extraction opening of vacuum pump air inlet intercommunication, including change over switch, connecting circuit contains first return circuit and second return circuit, change over switch connects and is used for switching between first return circuit and second return circuit on connecting circuit, vacuum pump, power, switch, negative pressure switch are connected to first return circuit, and vacuum pump, power, switch are connected to the second return circuit.
The vacuum pump is characterized by further comprising a support, the power supply is a battery, the power supply and the vacuum pump are installed on the support, a positioning mechanism matched with the support is arranged in the shell, and the support is installed at a fixed position in the shell through connection and matching of the positioning mechanism.
The shell further comprises an upper cover, a shell and a bottom cover, the shell comprises two matched half shells, the support is installed in one of the half shells through a positioning mechanism, the upper cover is installed at the upper end of the shell formed by matching the two half shells, and the bottom cover is installed at the upper end of the shell.
Furthermore, a first key and a second key are arranged on the shell, and the first key and the second key penetrate through the shell and are respectively connected with the switch and the change-over switch in a matching mode.
By implementing the utility model, the first loop and the second loop are switched through the change-over switch according to the use requirement, when the first loop is in use, the vacuum pump is started through the switch to vacuumize, the negative pressure switch monitors the vacuumized air pressure, and when a negative pressure is reached, the loop automatically cuts off the vacuum pump to stop pumping; when the switch is switched to the second loop, the vacuum pump is started through the switch to pump vacuum, the vacuum pump runs all the time until the switch is manually turned off, the structure is simple, the switch can be switched between two different modes under the condition that a control panel is not needed, and the switch has better applicability.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the first circuit connection of the present invention;
fig. 4 is a schematic diagram of the second circuit connection of the present invention.
Shown in the figure: a vacuum pump 1; a switch 2; a negative pressure switch 3; a power supply 4; a bracket 5; an upper cover 6; a housing 7; a bottom cover 8; a partition plate 9; a changeover switch 10; a first key 11; a second key 12; half shell 13; and a positioning post 14.
Detailed Description
The embodiment of the utility model provides a: as shown in fig. 1 to 2, the vacuum pump comprises a housing, a vacuum pump 1, a power supply 4, a switch 2, a negative pressure switch 3 and a connecting circuit are installed in the housing, an air exhaust port communicated with an air inlet of the vacuum pump 1 is arranged on the housing, the vacuum pump comprises a change-over switch 10, the connecting circuit comprises a first loop and a second loop, the change-over switch 10 is connected to the connecting circuit and used for switching between the first loop and the second loop, when the first loop is used, as shown in fig. 3, the vacuum pump 1, the power supply 4, the switch 2 and the negative pressure switch 3 are connected, when the vacuum pump 1 is started to evacuate through the switch 2, the negative pressure switch 3 monitors the evacuation air pressure, and when a negative pressure is reached, the loop automatically disconnects the vacuum pump 1 to stop evacuating; when switching over to the second return circuit through change over switch 10, as shown in the figure 4, vacuum pump 1, power 4, switch 2 are connected, start vacuum pump 1 evacuation through switch 2, and its vacuum pump 1 operates always, and is closed switch 2 again to manual, realizes switching over the use at two kinds of different modes through simple structure, has better suitability.
As an optimization, including support 5, power 4 is the battery, power 4 and vacuum pump 1 are installed on support 5, be equipped with in the shell with support 5 matched with positioning mechanism, connect the fixed position that the cooperation made support 5 install in the shell through positioning mechanism, install vacuum pump 1, power 4 etc. on support 5 subassembly module subassembly earlier during the equipment, pass through reference column 14 and positioning structure fixed mounting's such as locating hole connection cooperation or buckle structure fixed mounting in shell 3 fixed position with support 5 again, can improve the equipment speed, promote production efficiency.
As a preferred, the shell includes upper cover 6, casing 7, bottom 8, casing 7 includes two half shells 13 of matched with, support 5 is connected on one of them half shell 13 through reference column 14 and locating hole cooperation, another half shell 13 is spacing in its bottom with baffle 9 rather than the cohesion, negative pressure switch 3 installs on baffle 9, be equipped with respectively with vacuum pump 1 air inlet and with two trompils of negative pressure switch 3 intercommunication on the baffle 9, bottom 8 connects in casing 7 bottom soon, it is fixed with two half shells 13 bottoms, be equipped with the aspirating hole on bottom 8, two trompils intercommunications on aspirating hole and the baffle 9, upper cover 6 is connected and is fixed to two half shells 13 upper ends in casing 7 upper end, make things convenient for holistic equipment.
Preferably, the shell is provided with a first key 11 and a second key 12, the first key 11 is arranged on the upper cover 6 and is connected with the switch 2 in a matching mode, the second key 12 is arranged on the shell 7 and is connected with the change-over switch 10 in a matching mode, when the first loop vacuum pumping is used, the first key 11 is directly pressed to open the switch 2, the vacuum pump 1 can be operated and vacuumized all the time until the first key 11 is pressed to close the switch 2, when the second loop vacuum pumping is used, the second key 12 is firstly pressed to switch the first loop to the second loop through the change-over switch 10, then the first key 11 is pressed to open the switch 2, and the vacuum pump 1 is automatically turned off when the vacuum pumping is operated and vacuumized to a certain negative pressure, so that the switching operation is convenient.
Claims (4)
1. The utility model provides a dual mode vacuum extractor, includes the shell, installs vacuum pump, power, switch, negative pressure switch, connecting circuit in the shell, is equipped with the extraction opening with vacuum pump air inlet intercommunication on the shell, its characterized in that: the vacuum pump, the power supply, the switch and the negative pressure switch are connected in sequence, the negative pressure switch monitors the vacuumizing air pressure, and the vacuum pump, the power supply and the switch are connected in sequence.
2. A dual mode vacuum extractor as defined in claim 1, wherein: the vacuum pump comprises a bracket, wherein a power supply is a battery, the power supply and a vacuum pump are arranged on the bracket, a positioning mechanism matched with the bracket is arranged in the shell, and the bracket is arranged at a fixed position in the shell by connecting and matching the positioning mechanism.
3. A dual mode vacuum extractor as defined in claim 2, wherein: the shell includes upper cover, casing, bottom, the casing includes two matched with half shells, the support passes through positioning mechanism to be installed in one of them half shell, the upper cover is installed and is constituteed after two half shells cooperation the upper end of casing, the bottom install in the upper end of casing.
4. A dual mode vacuum extractor as defined in claim 1, wherein: the shell is provided with a first key and a second key, and the first key and the second key penetrate through the shell and are respectively connected with the switch and the change-over switch in a matching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449914.9U CN218266221U (en) | 2022-09-16 | 2022-09-16 | Dual-mode vacuum extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449914.9U CN218266221U (en) | 2022-09-16 | 2022-09-16 | Dual-mode vacuum extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266221U true CN218266221U (en) | 2023-01-10 |
Family
ID=84713792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222449914.9U Active CN218266221U (en) | 2022-09-16 | 2022-09-16 | Dual-mode vacuum extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266221U (en) |
-
2022
- 2022-09-16 CN CN202222449914.9U patent/CN218266221U/en active Active
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