阅读说明：本技术 一种真空包装罐 (Vacuum packaging tin ) 是由 张明 于 2020-08-20 设计创作，主要内容包括：本发明公开了一种真空包装罐,属于罐体真空包装技术领域。本发明的罐盖包括上罐盖和下罐盖,下罐盖固定嵌置于所述的罐体的内腔壁,下罐盖的顶部向上形成环体,上罐盖可转动式安装于下罐盖的环体外周部,并在上罐盖和下罐盖之间形成抽气腔,抽气筒呈弧形并设置于所述的抽气腔中；抽气筒和抽气筒的抽气杆均弧形,抽气杆的头部与所述的上罐盖连接,抽气筒内腔的内侧通过所述的第一单向阀与所述的罐体的内腔连通,第二单向阀设置于所述的下罐盖上,所述的罐体内腔通过所述的第二单向阀与抽气腔连通。本发明通过抽气杆对罐体抽气,使罐内达到真空或接近真空,从而便于茶叶、咖啡等食品的真空保鲜保持。(The invention discloses a vacuum packaging tank, and belongs to the technical field of tank body vacuum packaging. The tank cover comprises an upper tank cover and a lower tank cover, wherein the lower tank cover is fixedly embedded in the inner cavity wall of the tank body, the top of the lower tank cover upwards forms a ring body, the upper tank cover can be rotatably arranged on the periphery of the ring body of the lower tank cover, an air suction cavity is formed between the upper tank cover and the lower tank cover, and an air suction cylinder is arc-shaped and arranged in the air suction cavity; the air pumping cylinder and the air pumping rod of the air pumping cylinder are arc-shaped, the head of the air pumping rod is connected with the upper tank cover, the inner side of the inner cavity of the air pumping cylinder is communicated with the inner cavity of the tank body through the first one-way valve, the second one-way valve is arranged on the lower tank cover, and the inner cavity of the tank body is communicated with the air pumping cavity through the second one-way valve. The invention uses the air exhaust rod to exhaust air from the tank body, so that the vacuum or near vacuum in the tank body is achieved, thereby being convenient for keeping the vacuum freshness of foods such as tea, coffee and the like.)

1. The utility model provides a vacuum packaging jar, includes jar body (1) and cover, its characterized in that: the vacuum packaging can further comprises an upper can cover (4), a first one-way valve and a second one-way valve, wherein the can cover comprises an upper can cover (3) and a lower can cover (2), the lower can cover (2) is fixedly embedded in the inner cavity wall of the can body (1), the top of the lower can cover (2) upwards forms a ring body (21), the upper can cover (3) is rotatably arranged on the periphery of the ring body of the lower can cover, an air suction cavity is formed between the upper can cover (3) and the lower can cover (2), and the upper can cover (4) is arc-shaped and is arranged in the air suction cavity;

the upper tank cover (4) and the air pumping rod (6) of the upper tank cover (4) are both arc-shaped, the head of the air pumping rod (6) is connected with the upper tank cover (3), the inner side of the inner cavity of the air pumping cylinder is communicated with the inner cavity of the tank body (1) through the first one-way valve, the second one-way valve () is arranged on the lower tank cover (2), and the inner cavity of the tank body (1) is communicated with the air pumping cavity through the second one-way valve.

2. The vacuum packaging can of claim 1, characterized in that: the lower tank cover (2) is embedded and fixed on the inner cavity wall of the inner cavity of the tank body through a sealing element and a buckle.

3. The vacuum packaging can of claim 2, characterized in that: the first one-way valve and the second one-way valve are silica gel duckbill valves, the duckbill end of the first one-way valve is arranged at one end connected with the air extraction cylinder, and air can be exhausted from the inner cavity of the tank body only in one way; the duckbill end of the second one-way valve is arranged at one end facing the inner cavity of the tank body.

4. The vacuum packaging can of claim 3, characterized in that: and a ventilation button (5) for controlling the communication between the second one-way valve and the inner cavity of the tank body is arranged at the top of the upper tank cover (3).

5. The vacuum packaging can of claim 4, wherein: the upper tank cover (3) is transparent.

6. The vacuum packaging can of claim 5, wherein: the top of the lower tank cover is provided with a silica gel part (7), and the bottom of the silica gel part (7) is communicated with the inner cavity of the tank body (1).

Technical Field

The invention belongs to the technical field of vacuum packaging of can bodies, and particularly relates to a vacuum packaging can.

Background

The vacuum state of the inner cavity of the can body needs to be kept when the existing can body is used for packaging tea leaves and other articles, but the existing can body and the cover are difficult to avoid having a gap when being matched, so that the quality of a packaged article is affected by dampness.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a vacuum packaging tin.

Therefore, the invention adopts the following technical scheme: a vacuum packaging tin comprises a tin body and a tin cover and is characterized by further comprising an air pumping cylinder, a first one-way valve and a second one-way valve, wherein the tin cover comprises an upper tin cover and a lower tin cover, the lower tin cover is fixedly embedded in the inner cavity wall of the tin body, the top of the lower tin cover upwards forms a ring body, the upper tin cover is rotatably arranged on the outer periphery of the ring body of the lower tin cover, an air pumping cavity is formed between the upper tin cover and the lower tin cover, and the air pumping cylinder is arc-shaped and is arranged in the air pumping cavity;

the air pumping cylinder and the air pumping rod of the air pumping cylinder are both arc-shaped, the head of the air pumping rod is connected with the upper tank cover, the inner side of the inner cavity of the air pumping cylinder is communicated with the inner cavity of the tank body through the first one-way valve, the second one-way valve is arranged on the lower tank cover, and the inner cavity of the tank body is communicated with the air pumping cavity through the second one-way valve.

The lower tank cover is embedded and fixed on the inner cavity wall of the inner cavity of the tank body through a sealing element and a buckle.

The first one-way valve and the second one-way valve are silica gel duckbill valves, the duckbill end of the first one-way valve is arranged at one end connected with the air extraction cylinder, and air can be exhausted from the inner cavity of the tank body only in one way; the duckbill end of the second one-way valve is arranged at one end facing the inner cavity of the tank body.

The top of the upper tank cover is provided with a ventilation button for controlling the communication of the second one-way valve and the inner cavity of the tank body, and air in the air suction cavity enters the inner cavity of the tank body by pressing the ventilation button, so that the upper tank cover can be opened.

The upper tank cover is transparent.

The top of lower cover be provided with the silica gel spare, the bottom of silica gel spare with the inner chamber intercommunication of the jar body, when the air of jar body inner chamber was pumped out, the silica gel spare was in the state of holding back breath to conveniently observe the vacuum state of the jar body.

The invention can achieve the following beneficial effects: according to the invention, the arc-shaped air pumping cylinder and the air pumping rod are arranged between the upper tank cover and the lower tank cover to form the air pumping cavity, the air pumping rod rotates along with the upper tank cover, and the tank body is pumped by the air pumping rod to be vacuumed or nearly vacuumed, so that the vacuum preservation of foods such as tea, coffee and the like is facilitated.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic sectional view at a-a in fig. 1.

FIG. 3 is a schematic cross-sectional view at B-B in FIG. 1.

Fig. 4 is a schematic structural diagram of the valve bodies of the first check valve and the second check valve.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings.

As shown in fig. 1-4, the vacuum packaging can comprises a can body 1 and a can cover, the vacuum packaging can further comprises an upper can cover 4, a first check valve and a second check valve, the can cover comprises an upper can cover 3 and a lower can cover 2, the lower can cover 2 is fixedly embedded in the inner cavity wall of the can body 1, the top of the lower can cover 2 is upwards formed into an annular body 21, the upper can cover 3 is rotatably installed on the outer peripheral part of the annular body of the lower can cover, an air suction cavity is formed between the upper can cover 3 and the lower can cover 2, and the upper can cover 4 is arc-shaped and is arranged in; go up the equal arc of exhaust rod 6 of cover 4 and last cover 4, the head and the last cover 3 of exhaust rod 6 are connected, and the inboard of pump bowl inner chamber is through the inner chamber intercommunication of first check valve with jar body 1, and the second check valve sets up on cover 2 down, and jar body 1 inner chamber passes through the second check valve and communicates with the chamber of bleeding.

Further preferably, the lower cover 2 is embedded and fixed on the inner cavity wall of the inner cavity of the tank body through a sealing piece and a buckle.

The first one-way valve and the second one-way valve are silica gel duckbill valves, the duckbill end of the first one-way valve is arranged at one end connected with the air extraction cylinder, and air can be discharged from the inner cavity of the tank body only in one way; the duckbill end of the second one-way valve is arranged at one end facing the inner cavity of the tank body.

Further preferably, the top of the upper tank cover 3 is provided with a ventilation button 5 for controlling the communication between the second one-way valve and the inner cavity of the tank body, and air in the suction cavity enters the inner cavity of the tank body by pressing the ventilation button, so that the upper tank cover can be opened.

Further preferably, go up the lid 3 and be transparent, the top of lower cover is provided with silica gel 7, and the bottom of silica gel 7 and the inner chamber intercommunication of jar body 1, when the air of jar internal chamber was pumped out, silica gel was in the state of breathing out to conveniently observe the vacuum state of jar body.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.