CN215477113U

CN215477113U - Vacuum pumping base

Info

Publication number: CN215477113U
Application number: CN202122006120.0U
Authority: CN
Inventors: 江青山; 余易泽
Original assignee: Ningbo Leting Intelligent Technology Co ltd
Current assignee: Ningbo Leting Intelligent Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-11
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a vacuum pumping base which comprises a first shell, a second shell, an air suction switch and a touch piece, wherein the first shell is movably connected with the second shell to form an accommodating space between the first shell and the second shell, a power supply and a vacuum pump are installed in the accommodating space, the first shell is provided with an air suction space communicated with an air suction port of the vacuum pump, the air suction switch and the touch piece are arranged oppositely, one of the air suction switch and the touch piece is arranged on the first shell, and the other one of the air suction switch and the touch piece is arranged on the second shell. The storing container that will treat the evacuation is placed on first casing to make storing container's aspirating hole and the space intercommunication of bleeding, first casing takes place relative displacement with the second casing under the storing container action of gravity, make to touch the piece and be close to with the switch of bleeding and make the switch closure of bleeding, so that open the vacuum pump and realize automatic evacuation, it is more convenient to operate, evacuation base and storing container disconnect-type design, the weight of storing container has been alleviateed, convenient and different storing container adaptations, in order to reduce use cost.

Description

Vacuum pumping base

Technical Field

The utility model relates to the technical field of vacuumizing equipment, in particular to a vacuumizing base.

Background

In daily life, in order to improve the freshness degree of food, fruits, medicinal materials, tea leaves and other articles in the storage container, the storage time is prolonged, the moisture and insect prevention effects are improved, the articles are often placed in the storage container, and then the air in the storage container is pumped away, so that the interior of the storage container is in a vacuum state.

When needs evacuation, current storage container generally is through built-in vacuum pump, carries out the evacuation to the one-way valve on the lid to the container inner accommodation space, when needs are lost air, opens the lid again after opening the admission valve and making the container in resume ordinary pressure. Because the vacuum pump is built-in, can not be with other storage container adaptations, lead to the use cost of storage container higher. If external vacuum pump, generally need manual control vacuum pump to open for user experience is not good.

SUMMERY OF THE UTILITY MODEL

In view of the above analysis, the present invention provides an evacuation base to solve the deficiencies of the prior art.

The utility model is mainly realized by the following technical scheme:

the utility model provides a vacuum pumping base which comprises a first shell, a second shell, an air suction switch and a touch piece, wherein the first shell and the second shell are movably connected to form an accommodating space between the first shell and the second shell, a power supply and a vacuum pump are installed in the accommodating space, the first shell is provided with an air suction space communicated with an air suction port of the vacuum pump, the air suction switch and the touch piece are arranged oppositely, one of the air suction switch and the touch piece is arranged on the first shell, and the other one of the air suction switch and the touch piece is arranged on the second shell.

Furthermore, the air extraction switch and the touch piece are arranged in the accommodating space.

Further, be equipped with extending structure between first casing and the second casing, extending structure includes the elastic component.

Further, the telescopic structure further comprises a guide piece, the elastic piece is a spring arranged on the guide piece, the spring is abutted between the first shell and the second shell, and the guide piece is arranged on one of the first shell and the second shell and is arranged in a sliding mode relative to the other shell.

Further, the air exhaust device further comprises an air exhaust pipe, one end of the air exhaust pipe is communicated with the air exhaust space, an air exhaust joint is installed at the other end of the air exhaust pipe, and an air exhaust hole is formed in the air exhaust joint.

Further, the connector of bleeding includes the main part, be equipped with the adapter sleeve in the main part, one side of main part sets up the aspirating hole, the opposite side of main part is equipped with the breather pipe with the aspirating hole intercommunication, aspirating hole or breather pipe are located the adapter sleeve.

Furthermore, a vacuum detection device is arranged in the accommodating space and is communicated with the air exhaust space.

Further, be equipped with the switch of disappointing on first casing or the second casing, install the snuffle valve in the accommodation space, the air inlet and the outside air intercommunication of snuffle valve.

Furthermore, a display screen is arranged on the first shell or the second shell.

Furthermore, the air exhaust space is detachably provided with a dustproof plug.

Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:

according to the vacuumizing base, the storage container to be vacuumized is placed on the first shell, the air exhaust hole of the storage container is communicated with the air exhaust space, the first shell and the second shell are relatively displaced under the action of the gravity of the storage container, so that the touch piece and the air exhaust switch are close to each other, the air exhaust switch is closed, the vacuum pump is opened to achieve automatic vacuumizing, the operation is more convenient and faster, the use experience is improved, the vacuumizing base and the storage container are designed in a separated mode, the weight of the storage container is reduced, and the vacuumizing base can be conveniently matched with different storage containers, so that the use cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a perspective view of an evacuation base provided in accordance with an embodiment of the present invention;

FIG. 2 is an exploded view of an evacuation base provided in accordance with an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an evacuation base provided in accordance with an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a vacuum base provided in an embodiment of the present invention;

FIG. 5 is a schematic view of a vacuum base according to an embodiment of the present invention in connection with a storage container;

FIG. 6 is a schematic structural view of the evacuation base provided in the embodiment of the present invention being connected to the storage container through the evacuation tube;

figure 7 is a cross-sectional view of a suction fitting provided in accordance with an embodiment of the present invention.

The reference numbers are as follows:

1. the device comprises a first shell, a limiting part 1a, a limiting part 1b, a display area 2, a second shell, a containing space 3, a containing space 4, a power supply 5, a vacuum pump 6, an air extraction switch 7, an air extraction space 8, a touch part 9, a telescopic structure 91, an elastic part 92, a guide part 92, a 92a, a limiting ring 92b, a limiting rib 93, a guide part 93a, a first boss 93b, a second boss 93c, a limiting ring groove 93d, a guide hole 10, an air extraction pipe 11, an air extraction joint 11a, an air extraction hole 111, a main body 112, a connecting sleeve 113, a vent pipe 114, a ring sleeve 12, a vacuum detection device 14, an air release valve 15, a dustproof plug 15a, an air hole 16, a first air passage pipe 17, a second air passage pipe 18, a display screen 19, a power supply switch 20, a charging port 21, a circuit control panel 22 and a power supply control panel, 23. screw, 24, spacing washer, 25, pilot lamp, 26, button casing.

Detailed Description

In order that those skilled in the art will better understand the utility model and thus more clearly define the scope of the utility model as claimed, it is described in detail below with respect to certain specific embodiments thereof. It should be noted that the following is only a few embodiments of the present invention, and the specific direct description of the related structures is only for the convenience of understanding the present invention, and the specific features do not of course directly limit the scope of the present invention. Such alterations and modifications as are made obvious by those skilled in the art and guided by the teachings herein are intended to be within the scope of the utility model as claimed.

The utility model is further described with reference to the following figures and specific examples.

Example 1

As shown in fig. 1-2, the present invention provides a vacuum pumping base, which includes a first casing 1, a second casing 2, an air pumping switch 6 and a triggering member 8, wherein the first casing 1 is movably connected to the second casing 2 to form an accommodating space 3 therebetween, a power supply 4 and a vacuum pump 5 are installed in the accommodating space 3, an air pumping space 7 communicated with an air pumping opening of the vacuum pump 5 is provided on the first casing 1, the air pumping switch 6 is disposed opposite to the triggering member 8, one of the air pumping switch 6 and the triggering member 8 is disposed on the first casing 1, and the other is disposed on the second casing 2.

Place storage container on first casing 1 to make the evacuation hole on the storage container and bleed space 7 intercommunication, first casing 1 can take place relative displacement between with second casing 2 under storage container's the action of gravity, touches 8 activities and supports to open by the automation that air bleed switch 6 realized vacuum pump 5.

In this embodiment, the first casing 1 is movably covered above the second casing 2, and a space exists between the first casing 1 and the second casing 2, so that the accommodating space 3 is communicated with the outside air. The first shell 1 is provided with a limiting part 1a which is matched with the top of the second shell 2 and movably abutted against the first shell. The limiting parts 1a are uniformly arranged along the inner wall of the first shell 1 at intervals.

In this embodiment, the bottom of the second casing 2 is provided with a plurality of anti-slip pads.

Preferably, the suction switch 6 and the touch piece 8 are arranged in the accommodating space 3.

In this embodiment, the suction switch 6 is disposed in the first housing 1, and the trigger 8 is disposed in the second housing 2.

In this embodiment, the air extraction switch 6 is a key switch, a travel switch or a micro switch, and the touch member 8 is a top block or a top column disposed in the second housing 2.

As shown in fig. 6, in order to facilitate the adaptive connection with different storage containers, preferably, the vacuum base further includes an air exhaust tube 10, one end of the air exhaust tube 10 is communicated with the air exhaust space 7, an air exhaust joint 11 is installed at the other end of the air exhaust tube 10, and an air exhaust hole 11a is formed in the air exhaust joint 11.

The storage container can be connected with the vacuum-pumping base through the air-pumping space 7 or the air-pumping joint 11. The preferred setting in storage container's bottom in the evacuation hole is convenient place storage container behind first casing 1, need not connect air exhaust space 7 and evacuation hole through the connecting pipe in addition, and the operation is more convenient. The storage container can be a vacuum box, a vacuum cover, a vacuum bag and the like, and has wider application range.

As shown in fig. 7, specifically, the air extraction joint 11 includes a main body 111, a connection sleeve 112 is disposed on the main body 111, an air extraction hole 11a is disposed on one side of the main body 111, a vent pipe 113 communicated with the air extraction hole 11a is disposed on the other side of the main body 111, and the air extraction hole 11a or the vent pipe 113 is disposed in the connection sleeve 112.

In this embodiment, the two sides of the main body 111 are respectively provided with an annular sleeve 114, one side of the annular sleeve is flared, the other side of the annular sleeve is circular, one end of the connecting sleeve 112 is provided with a slot, the annular sleeve with the circular opening is clamped or bonded in the slot, and the air suction hole 11a is located in the connecting sleeve 112. The air suction joint 11 is connected with the storage container through a connecting sleeve 112 to play a role in sealing, and the annular sleeve 114 can be manually pressed to ensure that the air suction joint 11 and the storage container are reliably sealed.

Specifically, an air release switch (not shown in the figure) is arranged on the first casing 1 or the second casing 2, an air release valve 14 is installed in the accommodating space 3, and an air inlet of the air release valve 14 is communicated with the outside air. By controlling the closing of the air release switch, the air release valve 14 can release the air in the accommodating space 3 into the air exhaust space 7, so that the storage container can be conveniently taken down from the base or the air exhaust joint 11.

In this embodiment, the air release switch is provided on the first housing 1, and the air release valve 14 is provided in the first housing 1.

The air release switch can be a manual control switch, for example, a key switch controls the air release valve 14 to be opened or closed, or an automatic control switch, for example, a controller arranged on the circuit control board 21 controls the air release valve 14 to be opened or closed, and after the vacuum pumping is completed, the air release valve 14 is controlled to start air release through the air release switch after a set negative pressure value is reached.

Specifically, a vacuum detection device 12 is disposed in the accommodating space 3, and the vacuum detection device 12 is communicated with the pumping space 7. The degree of vacuum in the pumping space 7 is detected.

In this embodiment, the circuit control board 21 is installed in the accommodating space 3, the air-extracting switch 6 is disposed on the circuit control board 21, and the power source 4, the vacuum pump 5, the air-extracting switch 6 and the circuit control board 21 are installed in the first housing 1.

Preferably, a display screen 18 is provided on the first casing 1 or the second casing 2.

In this embodiment, be equipped with pilot lamp 25 and transparent display area 1b on the first casing 1, installation display screen 18 and power control panel 22 in the accommodation space 3, the transparent display area 1b setting of display screen 18 laminating for atmospheric pressure, vacuum and the electric quantity in the space 7 of bleeding is shown, in order to guarantee the effect of evacuation, and more convenient and fast in the use.

Be equipped with switch 19 and the interface 20 that charges on the power control panel 22, install the button casing 26 of wearing to locate on first casing 1 on the switch 19, charge interface 20 and wear to locate on first casing 1. The electrical connection relationship between the electronic components in the accommodating space 3 is conventional and will not be described herein.

Preferably, a telescopic structure 9 is arranged between the first casing 1 and the second casing 2, and the telescopic structure 9 comprises an elastic member 91. The first shell 1 can slide relative to the second shell 2 and can automatically reset after the storage container leaves, so that the storage container is convenient to use next time. In order to overcome the elasticity of the elastic member 91, the storage container placed on the first housing 1 should have a certain weight, and the vacuum pump 5 can be turned on without being manually pressed.

In this embodiment, the elastic members 91 are disposed at intervals on the peripheral edge of the accommodating space 3.

As shown in fig. 2-4, preferably, the telescopic structure 9 further includes a guide 92, the elastic member 91 is a spring mounted on the guide 92, the spring is abutted between the first casing 1 and the second casing 2, and the guide 92 is disposed on one of the first casing 1 and the second casing 2 and is slidably disposed relative to the other.

In this embodiment, the guide 92 is provided in the first housing 1 and slidably provided on the second housing 2.

Further, the telescopic structure 9 further includes a guide portion 93 disposed on the second housing 2, and the spring is abutted between the first housing 1 and the guide portion 93. The positions of the guide 92 and the guide 93 may be replaced.

As one implementation manner, the guide member 92 is a guide post, a limit ring 92a is arranged outside the guide post, the guide portion 93 is a first boss 93a and a second boss 93b connected by a step, the first boss 93a is arranged on the second housing 2, the first boss 93a is provided with a limit ring groove 93c surrounding the second boss 93b, the second boss 93b is vertically provided with a guide hole 93d penetrating through the first boss 93a, the guide post is slidably arranged in the guide hole 93d, the spring is sleeved on the guide post and the second boss 93b, and outer sides of two ends of the spring are respectively limited in the limit ring 92a and the limit ring groove 93 c.

In this embodiment, the week side of guide post is equipped with spacing muscle 92b, and the spring housing is established on spacing muscle 92b, and the lower extreme of spacing muscle 92b supports with the top activity of second boss 93b and leans on, is equipped with spacing step in the guiding hole 93d, and screw 23 is installed to the lower extreme of guide post, is equipped with between guide post and the screw 23 and supports the spacing packing ring 24 who leans on with the cooperation of spacing step. Conveniently fix first casing 1 activity on second casing 2 to the displacement stroke to first casing 1 limits, prevents to lead to first casing 1 to descend too fast because of the storing container is overweight, and second casing 2 and the electron device in the accommodation space 3 take place strong collision and cause the device damage.

The telescopic structure 9 is not limited to the structure above the adoption, and can also be hinged in the first shell 1 to form at least two symmetrical slide bars, the second shell 2 is provided with at least two symmetrical slide grooves, the slide bars are arranged on the slide grooves in a sliding manner, and springs are arranged between the slide bars and the inner side wall of the first shell 1 or the two symmetrical slide bars are connected through the springs.

Specifically, the air exhaust space 7 is detachably provided with a dust plug 15. The dustproof plug 15 is provided with a plurality of air holes 15a communicated with the air exhaust space 7, when in use, the dustproof plug 15 can be taken down or the air in the storage container can be extracted through the air holes 15a on the dustproof plug 15, and the dustproof plug 15 is arranged to block most space of the air exhaust space 7, so that the air exhaust space 7 can be prevented from being blocked by impurities.

As shown in fig. 3, the air-extracting space 7 is preferably an air-extracting groove disposed on the first casing 1, a first air-passing pipe 16 is disposed in the air-extracting groove, and the vacuum pump 5 is communicated with a lower end of the first air-passing pipe 16. A second air passing pipe 17 communicated with the air exhaust groove is further arranged in the accommodating space 3, and a detection port of the vacuum detection device 12 is communicated with the second air passing pipe 17.

In this embodiment, a groove is formed in the air exhaust groove, the first air passing pipe 16 penetrates through the groove, the second air passing pipe 17 is communicated with the air exhaust groove, and the dust plug 15 is installed on the air exhaust groove in a matching manner.

When the base is connected with the storage container through the air exhaust pipe 10, the upper end of the first air passing pipe 16 is connected with the air exhaust pipe 10, and at the moment, the first air passing pipe 16 is the air exhaust space 7.

As shown in fig. 5, when the storage container needs to be vacuumized, the vacuuming hole of the storage container is directly communicated with the air pumping space 7, the power switch 19 is turned on, the storage container with articles is placed above the air pumping space 7 of the first shell 1, the air pumping space 7 is communicated with the vacuuming hole at the bottom of the storage container, under the action of the gravity of the storage container, the first shell 1 compresses the spring, the touch piece 8 is contacted with the air pumping switch 6 to enable the vacuum pump 5 to be automatically turned on, the vacuum detection device 12 detects the vacuum degree at the air pumping space 7 through the second air pipe 17 and displays the vacuum degree on the display screen 18, when the vacuum degree reaches 100%, the set negative pressure value is reached in the storage container, the controller controls the vacuum pump 3 to be automatically turned off, meanwhile, the first air plug 35 closes the first air vent 33a under the action of no external force, the controller controls the valve 14 to be automatically turned on, air is filled into the air pumping space 7, so that the storage container and the base can be manually separated.

As shown in fig. 6, when the air exhaust pipe 10 is communicated with the vacuuming hole of the storage container, the dust-proof plug 15 is opened, one end of the air exhaust pipe 10 is connected with the first air exhaust pipe 16, the air pipe 113 on the air exhaust joint 11 is connected with the other end of the air exhaust pipe 10, the mounting sleeve 112 is mounted on the vacuuming hole of the storage container, after the sealing is determined, the storage container is placed on the base or the vacuum pump 5 is started by pressing the first shell 1, when the vacuum degree displayed on the display screen 18 reaches 100%, the set negative pressure value is reached in the storage container, the controller controls the vacuum pump 3 to be automatically closed, meanwhile, the vacuum air valve on the storage container is closed to realize the sealing without external force, the controller controls the air release valve 14 to be automatically started, air is filled into the air pipe 10, and the air exhaust joint 11 on the storage container and the base can be manually separated.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides an evacuation base which characterized in that: including first casing (1), second casing (2), bleed switch (6) and touch piece (8), first casing (1) and second casing (2) swing joint to and form accommodation space (3) between the two, install power (4), vacuum pump (5) in accommodation space (3), be equipped with bleed space (7) with the extraction opening intercommunication of vacuum pump (5) on first casing (1), bleed switch (6) and touch piece (8) set up relatively, one of them sets up on first casing (1) in bleed switch (6), touch piece (8), and another sets up on second casing (2).

2. The evacuated base of claim 1, wherein: the air extraction switch (6) and the touch piece (8) are arranged in the accommodating space (3).

3. The evacuated base of claim 1 or 2, wherein: be equipped with extending structure (9) between first casing (1) and second casing (2), extending structure (9) include elastic component (91).

4. The evacuated base of claim 3, wherein: the telescopic structure (9) further comprises a guide piece (92), the elastic piece (91) is a spring arranged on the guide piece (92), the spring abuts against between the first shell (1) and the second shell (2), and the guide piece (92) is arranged on one of the first shell (1) and the second shell (2) and is arranged in a sliding mode relative to the other.

5. The evacuated base of claim 1, wherein: the air exhaust device is characterized by further comprising an air exhaust pipe (10), one end of the air exhaust pipe (10) is communicated with the air exhaust space (7), an air exhaust joint (11) is installed at the other end of the air exhaust pipe (10), and an air exhaust hole (11a) is formed in the air exhaust joint (11).

6. The evacuated base of claim 5, wherein: bleed and connect (11) and include main part (111), be equipped with adapter sleeve (112) on main part (111), one side of main part (111) sets up aspirating hole (11a), the opposite side of main part (111) is equipped with breather pipe (113) with aspirating hole (11a) intercommunication, aspirating hole (11a) or breather pipe (113) are located adapter sleeve (112).

7. The evacuated base of claim 1 or 2, wherein: the vacuum detection device (12) is arranged in the accommodating space (3), and the vacuum detection device (12) is communicated with the air exhaust space (7).

8. The evacuated base of claim 1 or 2, wherein: be equipped with the switch that loses heart on first casing (1) or second casing (2), install in accommodation space (3) disappointing valve (14), the air inlet and the outside air intercommunication of disappointing valve (14).

9. The evacuated base of claim 1 or 2, wherein: and a display screen (18) is arranged on the first shell (1) or the second shell (2).

10. The evacuated base of any one of claims 1, 2 or 5, wherein: the air exhaust space (7) is detachably provided with a dustproof plug (15).