CN2281326Y

CN2281326Y - Improved vacuum tank

Info

Publication number: CN2281326Y
Application number: CN 97202917
Authority: CN
Inventors: 何志鸿
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-04-03
Filing date: 1997-04-03
Publication date: 1998-05-13
Anticipated expiration: 2007-04-03

Abstract

The utility model provides a vacuum tank with an improved structure, which is mainly composed of a tank body and a tank cover. The outer circumference of the tank body is provided with a plurality of sections of single tooth screw threads of non-complete cycle so as to be in screw connection with the single tooth screw threads on an extended part of the tank cover. An open slot is arranged on the tank cover. While the bottom surface of the slot is provided with a plurality of air holes which keep proper gaps. A valve sheet with an annular bulge is covered on the air holes. A fixed plate of the valve sheet is sheathed on the valve sheet. The tank body is prvented from disengaging form the tank cover by the screw connection of screw teeth in the state that the vacuum is not pumped by the simple structure. In addition, the bottom surface of the valve sheet is closed at the air holes tightly without the infiltration of dust and granules. When the valve sheet is in the state of vacuum pumping, the valve sheet can form a simple and effective valve sheet with an inversing stopping performance. Thus the purpose of vacuum pumping is attained effectively.

Description

Improve the vacuum reservoir of structure

The utility model relates to a kind of vacuum vessel that is used to put stored article, refers to a kind of vacuum reservoir especially.

In vacuum vessel, put article, because of reducing air remaining in the container, can make its quality obtain preferable preservation effect, only, general known vacuum vessel, see also shown in Figure 5, this vacuum vessel includes tank body of container 81, container cover 82, seal ring 83, members such as aspirating hole elastic valve plate 84 and valve block adapter plate 85, it mainly is that mat pump bowl (not shown) presses on valve block adapter plate 85 and bleeds in using, air in the container can be drawn out of, so that this container can remain on the state of vacuum via the pore 851 of the pore 821 of container cover 82 and valve block adapter plate 85; Only, the design of this kind container, if when having powdered granule in airborne dust or the storing to infiltrate contact surface in valve block 84 and pore 851, promptly can't make this container can guarantee state in vacuum, simultaneously, also can not be in long-time, in full force and effect preventing in the extraneous gas infiltration container, what is more, in case when airborne moisture infiltrates in the container, will make this container lose the function of storing fully;

Secondly, general user is when making this vacuum vessel jar of sheet, and Chang Yiqi is accustomed to or comfort feature, first hold vessel lid, hold vessel tank body again; Only, if vacuum vessel infiltrates because of the gas or the foreign matter in the external world, and can not be in the state of vacuum, at this moment, container cover is separated with tank body of container, and the user just very easily makes this container tank fall on the ground under situation about not finding, make the unrestrained ground of article in the container tank, do not have this problem generation though generally set up the container tank of thread, only, these threads all have the restriction of tooth distance, and thread is to be positioned at a jar inner peripheral place, so, if carry out the extraction of vacuum with this kind jar, the relation that its seal ring 83 blocks because of thread, can't be subjected to freely to compress, be difficult for reaching the effect of vacuum.

In view of this, this creator is at these disappearances and according to being engaged in the experience of making Related product for many years, concentrate one's attention on to observe and study it, and development and Design goes out a kind of vacuum reservoir that improves structure finally.

The utility model is improved at the shortcoming of above-mentioned existing vacuum reservoir, and its objective is provides a kind of vacuum reservoir that can more effectively prevent the infiltration of dust and particle and have more the improvement structure of safety control.

In order to achieve the above object, the utility model a kind of " improving the vacuum reservoir of structure " mainly comprises a hollow vessel and a cover, it is characterized in that:

One hollow vessel, open top is close on the position of its opening in the outer peripheral edges of this tank body, convexes with single pitch thread at least one period non-full week;

One cover, be that opening with tank body socket-connects, the outer peripheral edges of cover are extended a segment length vertically downward, the face that this extendible portion contacts with tank body is provided with single pitch thread in corresponding non-full week, make with tank body and be screwed, on the position of the periphery of this cover corresponding to tank body opening periphery, be equiped with a seal ring that is the round annular, top at this cover, be provided with a fluting, offer at least one pore at groove face, be coated with a valve block on these pores, and to make the bottom of this valve block be to connect with pore, and on this valve block, be provided with the flange of a ring-type and upwards extend a protruding handle, this protruding handle of mat so that a valve block and a valve block adapter plate socket-connect, and utilize valve block adapter plate packing ring flange, and make valve block when the state that does not vacuumize, can be close on the pore, the position of the protruding handle of contiguous valve block offers at least one hole on this valve block adapter plate.

The utility model also can be provided with one in an end tool of single pitch thread with its angulation and be the block of flat, is rotated to out outside the ridge to avoid cover.

It mainly is provided with single pitch thread in several periods non-full weeks the utility model in the outer peripheral edges of tank body, and can be screwed with the single pitch thread on the extendible portion of cover, this cover is provided with a fluting, then offer most the pores that keep suitable spacing in groove bottom, and on these pores, be coated with a valve block with annular projection, be socketed with a valve block adapter plate on this valve block, its easy structure of mat, make it when not vacuumizing state, but screwing togather of mat thread and prevent that tank body and cover break away from, and the bottom surface driving fit that can make valve block is in pore, so, do not have dust and particle and infiltrate, and when the state of extracting vacuum, this valve block then can form a simple and effective non-return property valve block, and can reach the purpose of vacuum.

Its easy design of the utility model mat can be used vacuum reservoir under general state, and with the advantage of known genuine slack tank, and more practical and convenient.

For enabling to the purpose of this utility model, shape, constructing apparatus feature and effect thereof, further understanding and understanding are arranged, now in conjunction with the accompanying drawings, the utility model is described in detail as follows for embodiment:

Fig. 1 is a combination scheme drawing of the present utility model.

Fig. 2 is the scheme drawing of valve block of the present utility model and valve block adapter plate.

Fig. 3 is the block diagram of tank body of the present utility model.

Fig. 4 is an enforcement illustration of the present utility model.

Fig. 5 is the scheme drawing of known genuine slack tank.

See also shown in Figure 1ly, the utility model is a kind of vacuum reservoir of structure " improves ", mainly includes members such as tank body 1, cover 2, seal ring 3, valve block 4 and valve block adapter plate 5; Wherein:

See also Fig. 1, Fig. 2 and shown in Figure 3, tank body 1 is hollow form, the one end opening, on the appropriate location of contiguous its opening of these tank body 1 outer peripheral edges, convex with single pitch thread (ridge) (being three sections in the present embodiment) 12 in most non-full weeks of section, with with the extendible portion 23 of container cover 2 on single pitch thread be screwed, the extension that can prevent tank body 1 and the cover 2 partly single pitch thread on 23 is screwed, can prevent that tank body 1 and cover 2 break away from, one end tool of these ridges 12 is provided with one with the suitable angle of its formation and be the block 121 of flat, and this block 121 of mat is rotated to out outside the ridge 12 to avoid cover 2.

On the position of the periphery of this cover 2 corresponding to tank body 1 opening periphery, be equiped with a circle annular sealing ring 3, make these cover 2 extendible portions 23 be rotated to the position of ridge 12 blocks 121, or be in the state of extracting vacuum, at this moment, this cover 2 can be integral packing seal ring 3 with tank body 1 driving fit.

In addition, on the appropriate location, top of this cover 2, be provided with a fluting 22, and in fluting 22 bottom surfaces, offer most the pores 221 that keep suitable spacing, and on these pores 221, be coated with a valve block 4, and the bottom surface of this valve block 4 and pore 221 are connected, and on this valve block 4, be provided with the flange 41 of a loop, extended a protruding handle 42 on the mediad of valve block 4, in the time of on valve block adapter plate 5 is placed in valve block 4, this protruding handle 42 can protruding being exposed to of hole by valve block adapter plate 5 central authorities outside, and the size of valve block adapter plate 5 is that it just can be fastened in the fluting 22, and utilizes valve block adapter plate 5 packing flanges 41, make valve block 4 when not vacuumizing, can be close on the pore 221, simultaneously, because valve block 4 promptly is being close on the pore 221 at ordinary times, so, dust and particle etc. can not infiltrate the plane of itself and pore 221 butts, and air infiltrates and cause in the future, destroy the state of vacuum, the appropriate location of the protruding handle 42 of contiguous valve block 4 on this valve block adapter plate 5 offers most holes 51.

See also shown in Figure 4, pump bowl 6 is embedded on the fluting 22 of cover 2, pull with pump bowl 6 handles, to the gas in the tank body 1 be drawn out of via the hole 51 of cover 2 and pore 221 and valve block adapter plate 5, and when pump bowl 6 pushes again, to make valve block 4 prop up pore 221, and the gas of extraction is discharged from, so repetitiousness carries out reaching the purpose of vacuum; And when user's desire is got rid of the vacuum state of container,, extraneous air is infiltrated via the pore 221 of cover 2 as long as push or lift the protruding handle 42 of valve block 4, so, the cover 2 of can outwarding winding is got thing.

The above, only be a specific embodiment of the utility model the best, structural attitude of the present utility model is not limited thereto, and anyly is familiar with this operator in the utility model field, can think easily and variation or modification, all can be encompassed in the technical solution of the utility model scope.

Claims

1, a kind of vacuum reservoir mainly comprises a hollow vessel and a cover, it is characterized in that:

2, vacuum reservoir as claimed in claim 1 is characterized in that: be provided with one with its angulation and be the block of flat in an end tool of single pitch thread, be rotated to out outside the ridge to avoid cover.