CN204197378U - Without the vacuum extractor that lock is self-styled - Google Patents
Without the vacuum extractor that lock is self-styled Download PDFInfo
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- CN204197378U CN204197378U CN201420644908.1U CN201420644908U CN204197378U CN 204197378 U CN204197378 U CN 204197378U CN 201420644908 U CN201420644908 U CN 201420644908U CN 204197378 U CN204197378 U CN 204197378U
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Abstract
A kind of vacuum extractor self-styled without lock, comprise the seal box for vacuumizing or seal casing, seal box or seal casing are provided with vacuum extractor, vacuum pumping pump is provided with in this vacuum extractor, be provided with elastic sealing element between vacuum extractor and seal box or seal casing, the communication port of vacuum pumping pump is positioned at elastic sealing element.The bottom connection of elastic sealing element and vacuum extractor, or elastic sealing element connects with the top of seal box or seal casing.The top of seal box or seal casing is provided with sealed step, and elastic sealing element is across in sealed step.Seal box or seal casing comprise the upper cover and lower box that connect, above cover the positioning groove of the bottom being provided with accommodating seal box or seal casing.Seal box or seal casing are provided with the top seal that connect corresponding to vacuum pumping pump, and this top seal is positioned at positioning groove.The utility model has simple and reasonable, flexible operation, feature applied widely.
Description
Technical field
The utility model relates to a kind of vacuum extractor, particularly a kind of vacuum extractor self-styled without lock.
Background technology
Chinese patent literature CN103712408A discloses a kind of vacuum fresh-keeping system and control method thereof on April 9th, 2014.Comprise seal box, moving system and control system, described seal box is provided with the first on and off switch controlling folding seal box, the vacuum pump that described moving system comprises motor and is electrically connected with motor, vacuum pump is communicated with seal box connection pipe, described control system is electrically connected the first on and off switch and motor, described seal box is also in series with at least one auxiliary seal box, between connected by the connection pipe with the first check valve, the setting direction of check valve is that auxiliary seal box is to the conducting of seal box direction, auxiliary seal box is equipped with the second on and off switch detecting auxiliary seal box and whether open.This vacuum fresh-keeping system complex structure, operates also cumbersome, makes user's not too satisfaction.
Utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, flexible operation, the vacuum extractor self-styled without lock applied widely, to overcome weak point of the prior art.
By a kind of vacuum extractor self-styled without lock that this object designs, comprise the seal box for vacuumizing or seal casing, its architectural feature is that seal box or seal casing are provided with vacuum extractor, vacuum pumping pump is provided with in this vacuum extractor, be provided with elastic sealing element between vacuum extractor and seal box or seal casing, the communication port of vacuum pumping pump is positioned at elastic sealing element.
Further, the bottom connection of described elastic sealing element and vacuum extractor, or elastic sealing element connects with the top of seal box or seal casing.
Further, the top of described seal box or seal casing is provided with sealed step, and elastic sealing element is across in sealed step.
Further, described seal box or seal casing comprise the upper cover and lower box that connect, above cover the positioning groove of the bottom being provided with accommodating seal box or seal casing.
Further, described seal box or seal casing are provided with the top seal that connect corresponding to vacuum pumping pump, and this top seal is positioned at positioning groove.
Further, be also provided with sealing compressing tablet in described positioning groove, top seal is arranged in sealing compressing tablet.
Further, described elastic sealing element in the form of a ring.
The utility model is provided with elastic sealing element between vacuum extractor and seal box or seal casing, the communication port of vacuum pumping pump is positioned at elastic sealing element, when on the seal box vacuumized needed for being shelved on by vacuum extractor or seal casing, vacuum extractor can rely on the gravity of self to realize and seal box or seal casing automatic impaction; When vacuum extractor works, the air in seal box or seal casing is pumped, and vacuum extractor, more can press seal box or seal casing under external atmosphere pressure, realizes self-styled, thus without the need to extra blocking device.
The utility model comprises the upper cover and lower box that connect at seal box or seal casing, on cover the positioning groove of the bottom being provided with accommodating seal box or seal casing, after having vacuumized, vacuum extractor can quit work automatically, and vacuum extractor can easily be lifted down by user.In whole process, user does not need firmly to align or with the tight vacuum extractor of hand with hand steered, thus alleviates working strength.
The utility model is provided with sealed step at the top of seal box or seal casing, and elastic sealing element, can when vacuum extractor works across in sealed step, improves the sealing property between vacuum extractor and seal box or seal casing further.
The utility model has simple and reasonable, flexible operation, feature applied widely.
Accompanying drawing explanation
Fig. 1 is the perspective view of the vacuum extractor in the utility model.
Fig. 2 is vacuum extractor schematic diagram when decomposing with seal box or seal box.
Fig. 3 is the biopsy cavity marker devices schematic diagram after vacuum extractor and seal box or seal box are assembled before vacuumizing.
Fig. 4 is the A place enlarged diagram in Fig. 3.
Fig. 5 is the biopsy cavity marker devices enlarged diagram after vacuum extractor and seal box or seal box are assembled after vacuumizing.
In figure: 1 is switch, 2 is left shell, and 3 is vac switch, 4 is motor, and 5 is vacuum pumping pump, and 6 is bottom, 7 is rubber seal, and 8 is upper cover, and 8.1 is positioning groove, 8.2 is sealed step, and 9 is sealing compressing tablet, and 10 is lower box, 11 is right shell, and 12 is top seal, and 14 is electromagnetic valve, 15 is lid inner seal ring, and 20 is seal box or seal casing.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
See Fig. 1-Fig. 4, the vacuum extractor that this nothing lock is self-styled, comprise the seal box for vacuumizing or seal casing 20, seal box or seal casing 20 are provided with vacuum extractor, vacuum pumping pump 5 is provided with in this vacuum extractor, be provided with elastic sealing element 7 between vacuum extractor and seal box or seal casing 20, the communication port of vacuum pumping pump 5 is positioned at elastic sealing element 7.
The bottom connection of elastic sealing element 7 and vacuum extractor, or elastic sealing element 7 connects with the top of seal box or seal casing 20.
The top of seal box or seal casing 20 is provided with sealed step 8.2, and elastic sealing element 7 is across in sealed step 8.2.
Seal box or seal casing 20 comprise the upper cover 8 and lower box 10 that connect, upper cover 8 are provided with the positioning groove 8.1 of the bottom of accommodating seal box or seal casing 20.
Seal box or seal casing 20 are provided with the top seal 12 that connect corresponding to vacuum pumping pump 5, and this top seal 12 is positioned at positioning groove 8.1.
Also be provided with sealing compressing tablet 9 in positioning groove 8.1, top seal 12 is arranged in sealing compressing tablet 9.Elastic sealing element 7 in the form of a ring.
In the present embodiment, vacuum extractor is made up of left shell 2, right shell 11, bottom 6 and elastic sealing element 7 etc., and the inside of vacuum extractor mainly contains motor 4 and vacuum pumping pump 5, and its function unit PCB combines, the parts such as vac switch 3 and electromagnetic valve 14.Seal box or seal casing 20 are primarily of upper cover 8, lower box 10, top seal 12, composition such as sealing compressing tablet 9 and lid inner seal ring 15 etc.
In the present embodiment, elastic sealing element 7 can select rubber seal or silica gel ring.Top seal 12 can adopt check valve, and this check valve after disengaging vacuum extractor, can still keep the vacuum state of seal box or seal casing 20.
When vacuumizing, vacuum extractor is put into the positioning groove 8.1 of the upper cover of seal box or seal casing 20, sees Fig. 3, so just make the elastic sealing element 7 of vacuum extractor just and the flat surface of upper cover 8 and positioning groove 8.1 coordinate, rely on gravity to realize sealing.
Again because vacuum extractor is in the positioning groove 8.1 of upper cover, during vacuum extractor work, can not movement be produced, so also do not need extra latching device, see Fig. 2-Fig. 5.
During work, motor 4 drives vacuum pumping pump 5 to work, and the air in seal box or seal casing 20 is pumped, and the air in seal box or seal casing 20 is fewer and feweri, and after the degree of vacuum in seal box or seal casing 20 reaches setting value, motor 4 can stop automatically.
When vacuumizing beginning, because the air of the confined space between vacuum extractor and seal box or seal casing 20 reduces gradually, vacuum extractor makes the elastic sealing element 7 between vacuum extractor and seal box or seal casing 20 be out of shape at atmosheric pressure, and the relative height of vacuum extractor can obviously decline.
After having vacuumized, vacuum extractor internal and external pressure balance, elastic sealing element 7 has resiled automatically due to elasticity, and vacuum extractor can lifting immediately.
The utility model utilizes the deadweight of vacuum extractor to isolate itself and seal box or contacting between seal casing 20 and the external world, and reaches vacuumizing effect; Further, when vacuumizing, without the need to hand-held or fix by external force between vacuum extractor and seal box or seal casing 20, above embodiment is only a preference.
Claims (7)
1. the vacuum extractor that a nothing lock is self-styled, comprise the seal box for vacuumizing or seal casing (20), it is characterized in that seal box or seal casing (20) are provided with vacuum extractor, vacuum pumping pump (5) is provided with in this vacuum extractor, be provided with elastic sealing element (7) between vacuum extractor and seal box or seal casing (20), the communication port of vacuum pumping pump (5) is positioned at elastic sealing element (7).
2. the vacuum extractor self-styled without lock according to claim 1, it is characterized in that the bottom connection of described elastic sealing element (7) and vacuum extractor, or elastic sealing element (7) connects with the top of seal box or seal casing (20).
3. the vacuum extractor self-styled without lock according to claim 2, it is characterized in that the top of described seal box or seal casing (20) is provided with sealed step (8.2), elastic sealing element (7) is across in sealed step (8.2).
4. the vacuum extractor self-styled without lock according to claim 3, it is characterized in that described seal box or seal casing (20) comprise the upper cover (8) and lower box (10) connected, upper cover (8) is provided with the positioning groove (8.1) of the bottom of accommodating seal box or seal casing (20).
5. the vacuum extractor self-styled without lock according to claim 4, it is characterized in that described seal box or seal casing (20) being provided with the top seal (12) that connect corresponding to vacuum pumping pump (5), this top seal (12) is positioned at positioning groove (8.1).
6. the vacuum extractor self-styled without lock according to claim 5, it is characterized in that also being provided with sealing compressing tablet (9) in described positioning groove (8.1), top seal (12) is arranged in sealing compressing tablet (9).
7., according to the arbitrary described vacuum extractor self-styled without lock of claim 1 to 6, it is characterized in that described elastic sealing element (7) in the form of a ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644908.1U CN204197378U (en) | 2014-11-03 | 2014-11-03 | Without the vacuum extractor that lock is self-styled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644908.1U CN204197378U (en) | 2014-11-03 | 2014-11-03 | Without the vacuum extractor that lock is self-styled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204197378U true CN204197378U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420644908.1U Active CN204197378U (en) | 2014-11-03 | 2014-11-03 | Without the vacuum extractor that lock is self-styled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204197378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109966769A (en) * | 2019-04-09 | 2019-07-05 | 安庆和兴化工有限责任公司 | A kind of butanediol low-temperature water removal equipment and its application method |
-
2014
- 2014-11-03 CN CN201420644908.1U patent/CN204197378U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109966769A (en) * | 2019-04-09 | 2019-07-05 | 安庆和兴化工有限责任公司 | A kind of butanediol low-temperature water removal equipment and its application method |
| CN109966769B (en) * | 2019-04-09 | 2021-06-04 | 安庆和兴化工有限责任公司 | Butanediol low-temperature water removal equipment and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |