CN209796343U

CN209796343U - vacuum box

Info

Publication number: CN209796343U
Application number: CN201821793960.8U
Authority: CN
Inventors: 李永昌
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-01
Filing date: 2018-11-01
Publication date: 2019-12-17
Anticipated expiration: 2028-11-01

Abstract

The utility model discloses a vacuum box, comprising a box cover, the box body has been cup jointed to the bottom of lid, the rubber circle has been cup jointed on the surface of box body, the inside central point of box body is provided with the baffle, the central point of lid has inlayed and has been connected with the stripper plate, be provided with the fixed block around the stripper plate, the fixed surface of fixed block is connected with compression spring, the surface of stripper plate is provided with the seal groove, reset spring's bottom fixedly connected with reset spring. The utility model relates to a rationally, the function is practical, through being provided with the stripper plate, and the shape of stripper plate is the I-shaped structure, can extrude the air in the box body through the stripper plate, and then outside making the air discharge box body, and then reduce the atmospheric pressure of box body, through being provided with the breather valve, through being provided with rubber circle and seal groove, can effectually play airtight effect, prevent in the air admission box body, influence the atmospheric pressure of box body, this utility model structure is various, and is functional strong, is fit for promoting.

Description

vacuum box

Technical Field

The utility model relates to a vacuum box technical field, in particular to vacuum box.

Background

The existing vacuum box is generally composed of a box body and a cover body, a closed accommodating space is formed after the cover body covers the box body, and then gas in the accommodating space is extracted from an extraction opening on the cover body through vacuum-pumping equipment, so that the accommodating space has a certain vacuum degree, but the currently used method has some disadvantages, such as: the existing vacuum box has various structures, is relatively complex to operate, has poor airtightness, cannot well meet the requirements of users, and has certain limitation.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a vacuum box can effectively solve the problem among the background art.

in order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a vacuum box, includes the lid, the box body has been cup jointed to the bottom of lid, the rubber circle has been cup jointed on the surface of box body, the inside central point of box body is provided with the baffle, the central point of lid has inlayed and has had the stripper plate, be provided with the fixed block around the stripper plate, the fixed surface of fixed block is connected with compression spring, the surface of stripper plate is provided with the seal groove, the inside central point fixedly connected with breather valve of stripper plate, open at the surface central point of stripper plate has the air vent, surface one side of lid is provided with air inlet unit, air inlet unit is including the air inlet duct, the inside of air inlet duct is provided with the piston, the one end fixedly connected with button of piston, the bottom fixedly connected with reset spring of button.

Furthermore, the vent valve is a one-way vent valve, the vent valve is made of a plastic structure, and the position of the vent valve is aligned to the vent hole.

Further, the partition plate is of a plastic structure, and the height of the partition plate is lower than the extrusion height of the extrusion plate.

Furthermore, the air inlet groove is of a convex structure, the bottom of the air inlet groove is in vacuum connection with the box body, and the upper structure of the air inlet groove is in sealing connection with the piston.

Further, the stripper plate passes through compression spring and lid fixed connection, the stripper plate is "worker" font structure, the central point joint of stripper plate is in the recess of lid, the central point of lid sets up the seal groove.

Further, the central axis of the piston and the central axis of the return spring are the same straight line.

Further, the rubber ring is smaller than the circumference of the box cover, and the thickness of the rubber ring is 0.3-0.8 cm.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model relates to a rationally, the function is practical, through being provided with the stripper plate, and the shape of stripper plate is the I-shaped structure, can extrude the air in the box body through the stripper plate, and then make the air discharge outside the box body, and then reduce the atmospheric pressure of box body, through being provided with the breather valve, and the breather valve is one-way breather valve, can make the air discharge outside the box body, and the effectual air reflux that prevents, through being provided with piston and air inlet duct, can be through the atmospheric pressure in the button regulating box body, and then open the case lid, through being provided with reset spring, can make the automatic normal position that replies of piston, through being provided with rubber circle and seal groove, can effectually play airtight effect, prevent that the air from getting into in the box body, influence the atmospheric pressure of box body, the utility model discloses.

drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the surface structure of the extrusion plate of the present invention.

Fig. 3 is a schematic view of the internal structure of the box body of the present invention.

Fig. 4 is a schematic structural view of the air inlet device of the present invention.

Fig. 5 is a schematic view of the front view structure of the extrusion plate of the present invention.

In the figure: 1. a box cover; 2. a box body; 3. a pressing plate; 4. a vent hole; 5. an air intake device; 6. a sealing groove; 7. a fixed block; 8. a vent valve; 9. a compression spring; 10. a button; 11. a return spring; 12. a piston; 13. an air inlet groove; 14. a rubber ring; 15. a separator.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a vacuum box comprises a box cover 1, a box body 2 is sleeved at the bottom of the box cover 1, the surface of the box body 2 is sleeved with a rubber ring 14, the central part inside the box body 2 is provided with a clapboard 15, the central part of the box cover 1 is embedded with an extrusion plate 3, the periphery of the extrusion plate 3 is provided with fixed blocks 7, the surface of the fixed block 7 is fixedly connected with a compression spring 9, the surface of the extrusion plate 3 is provided with a sealing groove 6, the central part of the inner part of the extrusion plate 3 is fixedly connected with a vent valve 8, the central part of the outer surface of the extrusion plate 3 is provided with a vent hole 4, an air inlet device 5 is arranged on one side of the surface of the box cover 1, the air inlet device 5 comprises an air inlet groove 13, a piston 12 is arranged in the air inlet groove 13, one end of the piston 12 is fixedly connected with a button 10, and the bottom of the button 10 is fixedly connected with a return spring 11.

The ventilation valve 8 is a one-way ventilation valve, the ventilation valve 8 is made of a plastic structure, the ventilation valve 8 is aligned to the ventilation hole 4, air in the box cover 1 can be discharged through the ventilation valve 8, the ventilation valve 8 is a one-way ventilation valve, air backflow is effectively prevented, air in the box cover 1 can be discharged through the ventilation hole 4, and air pressure in the box cover 1 is further reduced.

The partition plate 15 is of a plastic structure, the height of the partition plate 15 is lower than the extrusion height of the extrusion plate 3, the box body 2 can be divided into two layers through the partition plate 15, and the extrusion of the extrusion plate 3 cannot be influenced by the height of the partition plate 15.

The air inlet groove 13 is of a convex structure, the bottom of the air inlet groove 13 is connected with the box body 2 in a vacuum mode, the upper structure of the air inlet groove 13 is connected with the piston 12 in a sealing mode, air in the box body 2 can be discharged through the air inlet groove 13, and air pressure in the box body 2 can be adjusted through the piston 12.

Wherein, stripper plate 3 passes through compression spring 9 and 1 fixed connection of lid, stripper plate 3 is "worker" font structure, the central point joint of stripper plate 3 is in the recess of lid 1, the central point of lid 1 sets up seal groove 6, can pass through the extrusion of stripper plate 3, and then makes the air in the box body 2 discharge through air vent 4, and seal groove 6 can effectually play airtight effect.

Wherein, the central axis of piston 12 and reset spring 11's the central axis is same straight line, can be through extrusion button 10, and then outside making air escape box body 2, and the elasticity of reset spring 11 compression makes piston 12 automatic recovery normal position, and then reaches the effect of adjusting the atmospheric pressure in the box body 2.

The rubber ring 14 is smaller than the perimeter of the box cover 1, the thickness of the rubber ring 14 is 0.3-0.8cm, the sealing effect can be effectively achieved through the rubber ring 14, and air is prevented from permeating into the box body 2 and affecting the air pressure in the box body 2.

It should be noted that, the utility model relates to a vacuum box, during the use, at first cover 1 lid on box body 2, the pushing down that relapses stripper plate 3 again, the air in the box body 2 receives the influence of pressure to flow, flow from air vent 4 through breather valve 8, and then reach the effect that reduces the atmospheric pressure in the box body 2, make box body 2 become vacuum state, after the use, can press button 10, piston 12 receives the pressure of button 10 and pushes down, and then make the air enter into air inlet duct 13 in, further atmospheric pressure increase in the messenger box body 2, make stripper plate 3 automatic answer normal position, elasticity at reset spring 11 compression can make piston 12 answer the normal position automatically.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A vacuum box comprises a box cover (1) and is characterized in that the bottom of the box cover (1) is sleeved with a box body (2), the surface of the box body (2) is sleeved with a rubber ring (14), a partition plate (15) is arranged at the center of the inside of the box body (2), an extrusion plate (3) is embedded at the center of the box cover (1), fixed blocks (7) are arranged on the periphery of the extrusion plate (3), compression springs (9) are fixedly connected to the surfaces of the fixed blocks (7), a sealing groove (6) is arranged on the surface of the extrusion plate (3), a vent valve (8) is fixedly connected to the center of the inside of the extrusion plate (3), vent holes (4) are formed in the center of the outer surface of the extrusion plate (3), an air inlet device (5) is arranged on one side of the surface of the box cover (1), and the air inlet device (5) comprises an air inlet groove (, a piston (12) is arranged in the air inlet groove (13), one end of the piston (12) is fixedly connected with a button (10), and the bottom of the button (10) is fixedly connected with a return spring (11);

The vent valve (8) is a one-way vent valve, the vent valve (8) is made of a plastic structure, and the position of the vent valve (8) is aligned to the vent hole (4);

The partition plate (15) is of a plastic structure, and the height of the partition plate (15) is lower than the extrusion height of the extrusion plate (3);

The air inlet groove (13) is of a convex structure, the bottom of the air inlet groove (13) is in vacuum connection with the box body (2), and the upper structure of the air inlet groove (13) is in closed connection with the piston (12).

2. A vacuum box according to claim 1, wherein: the improved box is characterized in that the extrusion plate (3) is fixedly connected with the box cover (1) through a compression spring (9), the extrusion plate (3) is of an I-shaped structure, the center part of the extrusion plate (3) is clamped in a groove of the box cover (1), and a sealing groove (6) is formed in the center part of the box cover (1).

3. A vacuum box according to claim 1, wherein: the central axis of the piston (12) and the central axis of the return spring (11) are the same straight line.

4. A vacuum box according to claim 1, wherein: the rubber ring (14) is smaller than the perimeter of the box cover (1), and the thickness of the rubber ring (14) is 0.3-0.8 cm.