CN117284638A - Vacuum tank cover body with pumping and inflating functions and vacuum tank - Google Patents

Abstract

The invention discloses a vacuum tank cover body with an air pumping and filling function, which comprises a shell assembly; the circuit board, the air pump and the battery assembly are respectively arranged in the shell assembly; an airway switching assembly movably disposed through the housing assembly; a one-way valve disposed in the housing assembly and on the evacuation line; the key assembly is arranged on the circuit board and penetrates through the shell assembly; the air pressure sensing device is fixedly arranged in the shell assembly; and the sealing ring is fixedly arranged on the shell assembly. The invention also discloses a vacuum tank with the pumping and inflating functions. According to the invention, the switching of the vacuumizing pipeline or the inflating pipeline is realized by rotating the air passage switching component, and then the vacuumizing or inflating operation is performed by the air pump, so that the problem that the vacuum tank in the prior art cannot automatically inflate and uncover after vacuumizing is effectively solved.

Description

Vacuum tank cover body with pumping and inflating functions and vacuum tank

Technical Field

The invention relates to the technical field of vacuum tanks, in particular to a vacuum tank cover body with an air pumping and filling function and a vacuum tank.

Background

In daily life, in order to improve the shelf life of the articles, vacuum environments are often used for preserving the articles, for example, foods, medicines, metal jewelry, important documents, collectibles and the like, and the articles are often corroded and damaged when exposed to the air environment. Thus, vacuum tank type products are emerging on the market.

The utility model provides a vacuum tank is provided for CN110371489A, including jar body and lid, jar body with lid cuts off and sealing connection, the vacuum tank is still including setting up inside air pump, exhaust tube, check valve, PCB and the power of lid, exhaust tube one end is connected to jar internal portion, and the other end is connected with the check valve, the check valve with the air pump is connected, the check valve is configured to only switch on along the outside direction of flow direction jar body, be provided with intelligent chip and switch on the PCB, the PCB with the air pump reaches the power is connected, the power still with the air pump is connected. According to the technical scheme, although the vacuumizing operation can be realized on the vacuum tank, the vacuumizing operation can be finished only by manually inflating the vacuum tank, and particularly, for some users with weak strength, the uncovering experience is poor; therefore, the vacuum tank cover body with the vacuumizing and inflating function and the vacuum tank are provided, and are used for solving the problem that the vacuum tank in the prior art cannot automatically inflate and uncover after vacuumizing.

Disclosure of Invention

The invention aims to provide a vacuum tank cover body with an air pumping and inflating function and a vacuum tank, so as to solve the problem that the vacuum tank in the prior art cannot automatically pump air to open the cover after being vacuumized.

The vacuum tank cover body with the air pumping and filling function and the vacuum tank can be realized by the following technical scheme:

the invention relates to a vacuum tank cover body with an air pumping and filling function, which comprises a shell assembly, wherein the shell assembly is a hollow cavity; the circuit board, the air pump and the battery assembly are respectively arranged in the shell assembly; the air passage switching assembly is movably arranged in the shell assembly in a penetrating way and can be respectively communicated with the vacuumizing pipeline, the inflating pipeline and the air pump through connecting air pipes; a one-way valve disposed in the housing assembly and on the evacuation line; the key assembly is arranged on the circuit board and penetrates through the shell assembly; the air pressure sensing device is fixedly arranged in the shell assembly; the sealing ring is fixedly arranged on the shell assembly and can be in sealing contact connection with the inner wall of the vacuum tank; and the air passage switching assembly is rotated to realize the switching of the vacuumizing pipeline or the inflating pipeline.

In one embodiment, the airway switching assembly includes an outer switching plenum, an inner switching plenum, an airway seal, and a knob; the outer switching air chamber is a hollow cavity and is fixedly arranged in the shell assembly, and a plurality of air passages are arranged on the outer switching air chamber in a penetrating manner; the internal cutting ventilation chamber is movably arranged in the external switching air chamber; the air passage sealing piece is fixedly arranged on the inner switching air chamber; the knob is fixedly arranged on the inner switching air chamber and movably penetrates through the shell assembly.

In one embodiment, the side wall of the outer switching air chamber is respectively provided with a first air passage, a second air passage, a third air passage, a fourth air passage, a positive pressure air inlet and a negative pressure air outlet in a penetrating way; the first air passage is connected with the one-way valve through a second connecting air pipe; the second air passage is connected with the air pump through a third connecting air pipe; the third air passage is connected with the air pump through a fourth connecting air pipe; the fourth air passage is connected with the air charging hole through a fifth connecting air pipe.

In one embodiment, the housing assembly includes a main cavity and a lower cover that are connected by a snap-fit or screw arrangement to form a hollow cavity.

In one embodiment, the main cavity is provided with a first air pressure hole in a penetrating manner; the lower cover body is respectively provided with a vacuumizing hole, an air charging hole and a second air pressure hole in a penetrating way; the vacuumizing hole and the inflating hole are respectively communicated with the vacuumizing pipeline and the inflating pipeline; the first air pressure hole and the second air pressure hole are respectively communicated with the air pressure sensing device.

In one embodiment, the lower cover body is further provided with a containing cavity, and a ladle is detachably arranged in the containing cavity.

In one embodiment, the vacuumizing hole, the first connecting air pipe, the one-way valve, the second connecting air pipe, the first air passage, the outer switching air chamber, the second air passage, the third connecting air pipe, the air pump, the fourth connecting air pipe, the third air passage and the negative pressure air outlet are sequentially communicated to form the vacuumizing channel.

In one embodiment, the positive pressure air inlet, the outer switching air chamber, the third air passage, the fourth connecting air pipe, the air pump, the third connecting air pipe, the second air passage, the fourth air passage, the fifth connecting air pipe and the air charging hole are sequentially communicated to form the air charging channel.

In one embodiment, a vacuum tank cover with pumping and inflating functions further comprises a charging interface and an indicating assembly; the charging interface is arranged on the circuit board and penetrates through the shell assembly; the indicating component is arranged in the shell component, and light rays emitted by the indicating component can be transmitted out of the shell component.

A vacuum tank having an air pumping function comprising the vacuum tank cover of any one of the above.

Compared with the prior art, the vacuum tank cover body with the air pumping and filling function and the vacuum tank have the beneficial effects that:

according to the vacuum tank cover body with the vacuumizing and inflating function and the vacuum tank, the knob is rotated to drive the air passage sealing piece on the inner switching air chamber which is fixedly arranged to seal and block the corresponding air passage at the same time, so that the switching function of a vacuumizing pipeline or an inflating pipeline is realized, and the vacuumizing and inflating operation of the vacuum tank body can be realized only by one vacuum tank cover body through the matching of the air pump, so that the problem that the vacuum tank in the prior art cannot automatically inflate and uncover after vacuumizing is effectively solved; simultaneously through setting up atmospheric pressure induction system, real-time monitoring external world and the atmospheric pressure size in the vacuum tank, when reaching the default, control air pump stop work to realize power saving and intelligent control's function.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a vacuum tank cover with pumping and inflating functions;

FIG. 2 is a schematic view of the vacuum tank cover with pumping and inflating functions according to another view angle of the invention shown in FIG. 1;

FIG. 3 is a schematic view of an exploded structure of the vacuum tank cover with pumping and inflating functions of the present invention shown in FIG. 1, including a lower cover;

FIG. 4 is a schematic view of the structure of the lower cover shown in FIG. 3;

FIG. 5 is a schematic view of a portion of the internal structure of the vacuum tank cover with pumping and inflating functions of the present invention shown in FIG. 1, including an air passage switching assembly;

FIG. 6 is a schematic diagram of the airway switching assembly of FIG. 5;

FIG. 7 is a schematic diagram of an exploded view of the airway switching assembly of FIG. 6;

FIG. 8 is a schematic view of the air path of the vacuum tank cover with the air pumping function in the vacuum state shown in FIG. 1;

fig. 9 is a schematic view of the air path of the vacuum tank cover body with the air pumping and filling function in the state of opening the cover by air inflation in accordance with the present invention shown in fig. 1.

The figures indicate: 10, a vacuum tank cover body; a housing assembly; 111, a main cavity; 1111, key hole; 1112, switching holes; 1113, an interface aperture; 1114, a first pneumatic orifice; 112, lower cover; 1121, evacuating holes; 1122, an air charging hole; 1123, a receiving cavity; 1124, second pneumatic holes; 12, a circuit board; an airway switching assembly; 131, an outer switching air chamber; 1311, a first airway; 1312, a second airway; 1313, third airway; 1314, fourth airway; 1315, positive pressure inlet; 1316, negative pressure vent; 132, inner switching air cells; 133, airway seals; 134, a knob; 14, an air pump; 15, a one-way valve; 16, a battery assembly; 17, a key assembly; 18, an air pressure sensing device; 19, a charging interface; 20, an indication assembly; 201, an indication circuit board; 202, an LED lamp; 21, a sealing ring; 22, scooping up the scoop; 30, connecting an air pipe; 31, a first connecting air pipe; 32, a second connecting air pipe; 33, a third connecting air pipe; 34, a fourth connecting air pipe; 35, fifth connecting air pipe; 36, sixth connecting air pipe.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-3, a vacuum can cover 10 with pumping and inflating functions of the present invention mainly includes a housing assembly 11, a circuit board 12, an air passage switching assembly 13, an air pump 14, a check valve 15, a battery assembly 16, a key assembly 17, an air pressure sensing device 18, a charging interface 19, an indication assembly 20 and a sealing ring 21; the shell component 11 is a hollow cavity; the circuit board 12, the air pump 14 and the battery assembly 16 are respectively arranged in the shell assembly 11, the circuit board 12 is respectively electrically connected with the air pump 14, the battery assembly 16, the key assembly 17, the air pressure sensing device 18, the charging interface 19 and the indication assembly 20, and the battery assembly 16 respectively provides electric energy for the circuit board 12, the air pump 14, the key assembly 17, the air pressure sensing device 18 and the indication assembly 20; the air passage switching component 13 is movably arranged in the shell component 11 in a penetrating manner, and can be respectively communicated with the vacuumizing pipeline, the inflating pipeline and the air pump 14 through the connecting air pipe 30; the one-way valve 15 is arranged in the shell assembly 11 and on the vacuumizing pipeline, and is used for preventing external air from entering the vacuum tank through the vacuumizing pipeline; the key assembly 17 and the charging interface 19 are respectively arranged on the circuit board 12 and respectively penetrate through the shell assembly 11, the air pump 14 is controlled to work through the key assembly 17, and the battery assembly 16 is charged through the charging interface 19; the air pressure sensing device 18 is fixedly arranged in the shell assembly 11 and respectively monitors the external air pressure and the air pressure in the vacuum tank in real time; the indication component 20 is arranged in the shell component 11, the emitted light can penetrate out of the shell component 11, and the electric quantity of the battery component 16 and the working state of the vacuum tank cover body 10 can be clear through the indication component 20; the sealing ring 21 is fixedly arranged on the shell assembly 11 and can be in sealing contact connection with the inner wall of the vacuum tank.

Referring to fig. 1-4, the housing assembly 11 includes a main cavity 111 and a lower cover 112, which are connected by a fastening structure or a screw structure to form a hollow cavity; in this embodiment, the main cavity 111 and the lower cover 112 are tightly connected by a screw structure; the main cavity 111 is provided with a key hole 1111, a switching hole 1112 and an interface hole 1113 in a penetrating manner, and the key assembly 17, the air passage switching assembly 13 and the charging interface 19 are provided with the key hole 1111, the switching hole 1112 and the interface hole 1113 in a penetrating manner through the housing assembly 11; the main cavity 111 is further provided with a first air pressure hole 1114, the first air pressure hole 1114 is communicated with the air pressure sensing device 18, and the air pressure sensing device 18 monitors the external air pressure in real time through the first air pressure hole 1114.

Referring to fig. 2 and 4, in the present embodiment, the lower cover 112 is provided with a vacuum hole 1121, an air charging hole 1122, and a second air pressure hole 1124 respectively; the vacuumizing hole 1121 and the inflating hole 1122 are respectively communicated with the vacuumizing pipe and the inflating pipe, the second air pressure hole 1124 is communicated with the air pressure sensing device 18 through a sixth connecting air pipe 36, and the air pressure sensing device 18 monitors the air pressure in the vacuum tank in real time through the second air pressure hole 1124; the lower cover 112 is further provided with a containing cavity 1123, and the containing cavity 1123 is detachably provided with a scoop 22.

Referring to fig. 3, in the present embodiment, the circuit board 12 is electrically connected to the air pump 14, the battery assembly 16, the key assembly 17, the air pressure sensing device 18, the charging interface 19, and the indicating assembly 20, respectively, and the control technology adopted is a prior art, so specific control processes and specific product types adopted are not described herein, and only the present application is satisfied.

Referring to fig. 3, 5, 6 and 7, in the present embodiment, the airway switching assembly 13 includes an outer switching plenum 131, an inner switching plenum 132, an airway seal 133 and a knob 134; the external air exchanging chamber 131 is a hollow cavity and is fixedly arranged in the shell assembly 11, a plurality of air passages are arranged on the external air exchanging chamber 131 in a penetrating way, and the external air exchanging chamber 131 is respectively communicated with the vacuumizing pipeline, the inflating pipeline and the air pump 14 through the corresponding air passages; the internal cutting ventilation chamber 132 is movably arranged in the external cutting ventilation chamber 131 and can move relative to the external cutting ventilation chamber 131; the air passage sealing member 133 is fixedly arranged on the inner switching air chamber 132, and rotates along with the rotation of the inner switching air chamber 132, so as to seal the corresponding air passage, and realize vacuumizing or inflating operation; the knob 134 is fixedly arranged on the inner switching air chamber 132 and movably penetrates through the shell assembly 11 through the switching hole 1112, the inner switching air chamber 132 is driven to rotate by rotating the knob 134, and the air passage sealing piece 133 rotates along with the rotation of the inner switching air chamber 132. Specifically, the material of the air passage sealing member 133 is rubber or silica gel, and in this embodiment, in order to improve the sealing performance of the air passage sealing member 133, the air passage sealing member 133 is silica gel.

Referring to fig. 6-9, in the present embodiment, a first air passage 1311, a second air passage 1312, a third air passage 1313, a fourth air passage 1314, a positive pressure air inlet 1315 and a negative pressure air outlet 1316 are respectively provided on the side wall of the circumscribed ventilation chamber 131 in a penetrating manner; the first air channel 1311 is connected with the one-way valve 15 through a second connecting air pipe 32; the second air channel 1312 is connected with the air pump 14 through a third connecting air pipe 33; the third air channel 1313 is connected with the air pump 14 through a fourth connecting air pipe 34; the fourth air passage 1314 is connected to the air-charging hole 1122 via a fifth connecting air pipe 35; when vacuum pumping is needed, the knob 134 is rotated to enable the inner switching air chamber 132 to drive the air passage sealing member 133 to rotate and simultaneously seal the fourth air passage 1314 and the positive pressure air inlet 1315, the vacuum pumping hole 1121, the first connecting air pipe 31, the one-way valve 15, the second connecting air pipe 32, the first air passage 1311, the circumscribed air chamber 131, the second air passage 1312, the third connecting air pipe 33, the air pump 14, the fourth connecting air pipe 34, the third air passage 1313 and the negative pressure air outlet 1316 are sequentially communicated to form a vacuum pumping channel, so that air in the vacuum tank is discharged through the vacuum pumping channel; when inflation is required, the knob 134 is rotated to enable the inner switching air chamber 132 to drive the air passage sealing member 133 to rotate and simultaneously seal the first air passage 1311 and the negative pressure air outlet 1316, the positive pressure air inlet 1315, the external air exchange chamber 131, the third air passage 1313, the fourth connecting air pipe 34, the air pump 14, the third connecting air pipe 33, the second air passage 1312, the fourth air passage 1314, the fifth connecting air pipe 35 and the air charging hole 1122 are sequentially communicated to form an air charging passage, so that external air enters the vacuum tank through the air charging passage, and the internal air pressure and the external air pressure of the vacuum tank are balanced, so that the vacuum tank cover body 10 is easily opened.

Referring to fig. 3, the battery assembly 16 may be a polymer battery, a lithium battery or other types of batteries, and in this embodiment, the battery assembly 16 is a polymer battery; the charging interface 19 may be a Micro USB interface, a Type-C interface or a Lightning interface, in this embodiment, the charging interface 19 is a Type-C interface, a dust cover is movably disposed on the charging interface, and one end of the dust cover is fixedly disposed on the housing assembly 11. In this embodiment, the indication assembly 20 includes an indication circuit board 201 and a plurality of LED lamps 202, wherein the indication circuit board 201 is fixedly disposed in the housing assembly 11 and is electrically connected with the circuit board 12 through a connection wire; the LED lamps 202 are respectively disposed on the indication circuit board 201, and the light emitted by the LED lamps can be transmitted out of the housing assembly 11. In this embodiment, the sealing ring 21 is fixedly sleeved in the fixing groove of the lower cover 112, and preferably, the sealing ring 21 is made of silica gel. In other embodiments, the housing assembly 11 may further include a display assembly, where the display assembly is electrically connected to the circuit board 12, and functions to display the air pressure in the vacuum tank and perform function setting in real time.

The vacuum tank with the pumping and inflating functions comprises the vacuum tank cover body 10.

The invention relates to a vacuum tank cover body with an air pumping and filling function and a vacuum tank, which specifically work processes are as follows: when the vacuum tank needs to be vacuumized, the knob 134 is rotated, and the knob drives the air passage sealing piece 133 fixedly arranged on the inscribed ventilation chamber 132 to simultaneously seal the fourth air passage 1314 and the positive pressure air inlet 1315; pressing the key assembly 17 again to enable the air pump 14 to start pumping, wherein air in the vacuum tank is sequentially discharged through the pumping channel formed by the pumping hole 1121, the first connecting air pipe 31, the one-way valve 15, the second connecting air pipe 32, the first air passage 1311, the circumscribed ventilation chamber 131, the second air passage 1312, the third connecting air pipe 33, the air pump 14, the fourth connecting air pipe 34, the third air passage 1313 and the negative pressure exhaust port 1316, so that the pumping operation of the vacuum tank is completed; when the vacuum tank cover 10 needs to be opened to charge the vacuum tank, the knob 134 is rotated, which drives the air passage sealing member 133 fixedly arranged on the internal cutting ventilation chamber 132 to simultaneously seal the first air passage 1311 and the negative pressure exhaust port 1316; pressing the key assembly 17 again to enable the air pump 14 to start to inflate, wherein external air sequentially passes through the positive pressure air inlet 1315, the circumscribed ventilation chamber 131, the third air passage 1313, the fourth connecting air pipe 34, the air pump 14, the third connecting air pipe 33, the second air passage 1312, the fourth air passage 1314, the fifth connecting air pipe 35 and the inflation hole 1122 to form an inflation channel, and then the inflation channel is formed into the vacuum tank, so that the internal air pressure and the external air pressure of the vacuum tank are balanced, and the vacuum tank cover 10 is easily opened, thereby completing the inflation operation of the vacuum tank; simultaneously, the air pressure sensing device 18 monitors the air pressure in the outside and the vacuum tank in real time through the first air pressure hole 1114 and the second air pressure hole 1124 respectively, and when the air pressure reaches a preset value, the circuit board 12 controls the air pump 14 to stop working.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. The vacuum tank cover body with the air pumping and filling function is characterized by comprising a shell component which is a hollow cavity; the circuit board, the air pump and the battery assembly are respectively arranged in the shell assembly; the air passage switching assembly is movably arranged in the shell assembly in a penetrating way and can be respectively communicated with the vacuumizing pipeline, the inflating pipeline and the air pump through connecting air pipes; a one-way valve disposed in the housing assembly and on the evacuation line; the key assembly is arranged on the circuit board and penetrates through the shell assembly; the air pressure sensing device is fixedly arranged in the shell assembly; the sealing ring is fixedly arranged on the shell assembly and can be in sealing contact connection with the inner wall of the vacuum tank; and the air passage switching assembly is rotated to realize the switching of the vacuumizing pipeline or the inflating pipeline.

2. The vacuum tank cap with pumping and inflating functions according to claim 1, wherein the air passage switching assembly comprises an outer switching air chamber, an inner switching air chamber, an air passage sealing member and a knob; the outer switching air chamber is a hollow cavity and is fixedly arranged in the shell assembly, and a plurality of air passages are arranged on the outer switching air chamber in a penetrating manner; the internal cutting ventilation chamber is movably arranged in the external switching air chamber; the air passage sealing piece is fixedly arranged on the inner switching air chamber; the knob is fixedly arranged on the inner switching air chamber and movably penetrates through the shell assembly.

3. The vacuum tank cover with the pumping and inflating functions according to claim 2, wherein a first air passage, a second air passage, a third air passage, a fourth air passage, a positive pressure air inlet and a negative pressure air outlet are respectively arranged on the side wall of the outer switching air chamber in a penetrating manner; the first air passage is connected with the one-way valve through a second connecting air pipe; the second air passage is connected with the air pump through a third connecting air pipe; the third air passage is connected with the air pump through a fourth connecting air pipe; the fourth air passage is connected with the air charging hole through a fifth connecting air pipe.

4. A vacuum tank cap with pumping and inflating function according to claim 3, wherein the housing assembly comprises a main cavity and a lower cap, which are connected by a snap-fit structure or a screw structure to form a hollow cavity.

5. The vacuum tank cover body with the pumping and inflating function according to claim 4, wherein a first air pressure hole is formed in the main cavity in a penetrating manner; the lower cover body is respectively provided with a vacuumizing hole, an air charging hole and a second air pressure hole in a penetrating way; the vacuumizing hole and the inflating hole are respectively communicated with the vacuumizing pipeline and the inflating pipeline; the first air pressure hole and the second air pressure hole are respectively communicated with the air pressure sensing device.

6. The vacuum tank cover with the pumping and inflating function according to claim 4, wherein the lower cover body is further provided with a containing cavity, and a scoop is detachably arranged in the containing cavity.

7. The vacuum tank cover with the air pumping and inflating function according to claim 5, wherein the vacuum pumping hole, the first connecting air pipe, the one-way valve, the second connecting air pipe, the first air passage, the outer switching air chamber, the second air passage, the third connecting air pipe, the air pump, the fourth connecting air pipe, the third air passage and the negative pressure air outlet are sequentially communicated to form the vacuum pumping channel.

8. The vacuum tank cover with the pumping and inflating function according to claim 7, wherein the positive pressure air inlet, the outer switching air chamber, the third air passage, the fourth connecting air pipe, the air pump, the third connecting air pipe, the second air passage, the fourth air passage, the fifth connecting air pipe and the inflating hole are sequentially communicated to form the inflating channel.

9. The vacuum tank cap with pumping and inflating functions according to claim 1, further comprising a charging interface and an indicating assembly; the charging interface is arranged on the circuit board and penetrates through the shell assembly; the indicating component is arranged in the shell component, and light rays emitted by the indicating component can be transmitted out of the shell component.

10. A vacuum tank having a pumping and inflating function, characterized by comprising the vacuum tank cover body according to any one of claims 1 to 9.