CN205293194U - A tee bend for vacuum refreshing machine - Google Patents
A tee bend for vacuum refreshing machine Download PDFInfo
- Publication number
- CN205293194U CN205293194U CN201520979988.0U CN201520979988U CN205293194U CN 205293194 U CN205293194 U CN 205293194U CN 201520979988 U CN201520979988 U CN 201520979988U CN 205293194 U CN205293194 U CN 205293194U
- Authority
- CN
- China
- Prior art keywords
- interface
- freshness
- retaining tank
- sack
- taking out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a a tee bend for vacuum refreshing machine in freshness retaining equipment accessory field, close the upper cover in lower cover top including lower cover and the lid that mates, the bottom of lower cover be equipped with respectively be used for connecting the vacuum pump bleed the interface with be used for connecting the vacuum cavity take out the sack interface, the top of upper cover is equipped with and is used for connecting the fresh -keeping jar interface of taking out of outer plug, holds including taking out the sack passageway and taking out a fresh -keeping jar passageway in the cavity, should hold still to be equipped with the channel switching device in the cavity, this channel switching device including the pole of bleeding, spring, go up seal part and lower seal part. Being equipped with the channel switching device in holding the cavity, can realizing the switching of two passageways through bayonet joint inside and outside taking out fresh -keeping jar of interface, the operation complexity of reducible vacuum refreshing machine has reduced the uncertainty that influence the machine effect, has reduced the probability of leaking gas.
Description
Technical field
This utility model relates to freshness preserving equipment accessory field, is particularly used for the threeway of vacuum fresh-keeping device.
Background technology
For a tractor serves several purposes, existing vacuum fresh-keeping device major part on the market all can take out freshness protection package, can take out again freshness-retaining tank. But, now vacuum fresh-keeping device on the market, being not provided with inside it can the tee T of break-make, have to the airtight vacuum chamber taking out sack of Non-follow control when taking out jar, to have guaranteed manual switching passage, so thus adding the triviality of machine operation, and the overall probability leaked gas can be increased, adding the uncertainty affecting machine effect.
Utility model content
The purpose of this utility model is to solve disadvantages described above, it is provided that for the threeway of vacuum fresh-keeping device, it can realize the switching of two passes by outer connection-peg.
The purpose of this utility model is achieved in the following ways:
Threeway for vacuum fresh-keeping device, the upper cover above lower cover is covered including lower cover and pairing, accommodation cavity it is provided with between lower cover and upper cover, the bottom of lower cover is respectively provided with the suction interface connecting vacuum pump and takes out sack interface for what connect vacuum chamber, the top of upper cover is provided with and takes out freshness-retaining tank interface for what connect external plug, take out sack interface and take out freshness-retaining tank interface and be located along the same line, hold and include in cavity taking out sack passage and taking out freshness-retaining tank passage, take out sack passage respectively with suction interface and take out sack interface carry out conducting be connected, take out freshness-retaining tank passage respectively with suction interface and take out freshness-retaining tank interface carry out conducting be connected, it is additionally provided with channel switching device in this accommodation cavity, this channel switching device includes air exhaust rod, spring, upper seal member and lower seal parts, the upper end of air exhaust rod penetrates takes out in freshness-retaining tank interface, the lower end of air exhaust rod penetrates the top taking out sack interface, lower seal parts are sleeved on the lower end of air exhaust rod, sack interface is taken out for sealing up, the middle-end of air exhaust rod is provided with seal receptacle, upper seal member is arranged on the top of seal receptacle, freshness-retaining tank interface is taken out for sealing up, the bottom of seal receptacle is withstood at the top of lower end and spring that spring penetrates air exhaust rod, the top taking out sack interface is withstood in the bottom of spring, during normal condition, go up seal member under the action of the spring and be close to the bottom taking out freshness-retaining tank interface, make to take out sack passage and realize conducting, when taking out freshness-retaining tank interface external plug, spring is compressed, move down after the upper end of air exhaust rod is touched, make to take out freshness-retaining tank passage and realize conducting.
In described above, as preferred scheme, described suction interface all extends vertically downward with taking out sack interface, takes out freshness-retaining tank interface and extends vertically upwards.
In described above, as preferred scheme, the top of described lower cover is provided with upwardly extending deck, and the lateral surface middle-end of upper cover is provided with for matching the card column snapping on deck.
In described above, as preferred scheme, described deck is provided with two pairs altogether, and the top of deck is provided with and the bayonet socket of card post shapes pairing.
In described above, as preferred scheme, the bottom margin of described upper cover is provided with seal groove, and is provided with sealing ring in this seal groove.
Provide the benefit that produced by this utility model: be provided with channel switching device holding in cavity, dual-use can be realized, by the switching of two passes can be realized taking out connection-peg inside and outside freshness-retaining tank interface, when normal condition, take out sack channel conductive under the action of the spring, take out freshness-retaining tank pathway closure simultaneously, when when taking out connection-peg inside and outside freshness-retaining tank interface, take out freshness-retaining tank passage can turn on, take out sack pathway closure simultaneously, the Operating Complexity of vacuum fresh-keeping device can be reduced, decrease the uncertainty affecting machine effect, decrease the probability of gas leakage.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of this utility model embodiment;
Fig. 2 is the profile of normal condition in this utility model embodiment;
Fig. 3 is the profile of air exhaust rod depressed state in this utility model embodiment;
In figure, 1 is lower cover, and 2 is upper cover, and 3 is sealing ring, and 4 is deck, and 5 is card column, and 6 is suction interface, and 7 for taking out sack interface, and 8 is freshness-retaining tank interface, and 9 is air exhaust rod, and 10 is spring, and 11 is upper seal member, and 12 is lower seal parts, and 13 is seal receptacle.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, this utility model is described in further detail.
The present embodiment, with reference to Fig. 1��Fig. 3, its threeway for vacuum fresh-keeping device being embodied as includes lower cover 1 and pairing covers the upper cover 2 above lower cover 1, the bottom margin of upper cover 2 is provided with seal groove, and in this seal groove, it being provided with sealing ring 3, the top of lower cover 1 is provided with upwardly extending deck 4, and the lateral surface middle-end of upper cover 2 is provided with for matching the card column 5 snapped on deck 4, deck 4 is provided with two pairs altogether, and the top of deck 4 is provided with and the bayonet socket of card column 5 shape pairing.
Accommodation cavity it is provided with between lower cover 1 and upper cover 2, the bottom of lower cover 1 is respectively provided with the suction interface 6 connecting vacuum pump and takes out sack interface 7 for what connect vacuum chamber, the top of upper cover 2 is provided with and takes out freshness-retaining tank interface 8 for what connect external plug, take out sack interface 7 and take out freshness-retaining tank interface 8 and be located along the same line, as shown in the figure, suction interface 6 all extends vertically downward with taking out sack interface 7, takes out freshness-retaining tank interface 8 and extends vertically upwards. Hold in cavity and include taking out sack passage and taking out freshness-retaining tank passage, take out sack passage respectively with suction interface 6 and take out sack interface 7 and carry out conducting and is connected, take out freshness-retaining tank passage respectively with suction interface 6 and take out freshness-retaining tank interface 8 and carry out turning on and be connected.
Hold in cavity and be additionally provided with channel switching device, this channel switching device includes air exhaust rod 9, spring 10, upper seal member 11 and lower seal parts 12, the upper end of air exhaust rod 9 penetrates takes out in freshness-retaining tank interface 8, the lower end of air exhaust rod 9 penetrates the top taking out sack interface 7, lower seal parts 12 are sleeved on the lower end of air exhaust rod 9, sack interface 7 is taken out for sealing up, the middle-end of air exhaust rod 9 is provided with seal receptacle 13, upper seal member 11 is arranged on the top of seal receptacle 13, freshness-retaining tank interface 8 is taken out for sealing up, the bottom of seal receptacle 13 is withstood at the top of lower end and spring 10 that spring 10 penetrates air exhaust rod 9, the top taking out sack interface 7 is withstood in the bottom of spring 10.
As shown in Figure 2, during normal condition, on under the effect of spring 10, seal member 11 is close to the bottom taking out freshness-retaining tank interface 8, make to take out sack passage and realize conducting, as it is shown on figure 3, when taking out freshness-retaining tank interface 8 external plug, spring 10 is compressed, move down after the upper end of air exhaust rod 9 is touched, make to take out freshness-retaining tank passage and realize conducting.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations. For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, be regarded as protection domain of the present utility model.
Claims (5)
1. for the threeway of vacuum fresh-keeping device, the upper cover above lower cover is covered including lower cover and pairing, accommodation cavity it is provided with between lower cover and upper cover, it is characterized in that: the bottom of lower cover is respectively provided with the suction interface connecting vacuum pump and takes out sack interface for what connect vacuum chamber, the top of upper cover is provided with and takes out freshness-retaining tank interface for what connect external plug, take out sack interface and take out freshness-retaining tank interface and be located along the same line, hold and include in cavity taking out sack passage and taking out freshness-retaining tank passage, take out sack passage respectively with suction interface and take out sack interface carry out conducting be connected, take out freshness-retaining tank passage respectively with suction interface and take out freshness-retaining tank interface carry out conducting be connected, it is additionally provided with channel switching device in this accommodation cavity, this channel switching device includes air exhaust rod, spring, upper seal member and lower seal parts, the upper end of air exhaust rod penetrates takes out in freshness-retaining tank interface, the lower end of air exhaust rod penetrates the top taking out sack interface, lower seal parts are sleeved on the lower end of air exhaust rod, sack interface is taken out for sealing up, the middle-end of air exhaust rod is provided with seal receptacle, upper seal member is arranged on the top of seal receptacle, freshness-retaining tank interface is taken out for sealing up, the bottom of seal receptacle is withstood at the top of lower end and spring that spring penetrates air exhaust rod, the top taking out sack interface is withstood in the bottom of spring, during normal condition, go up seal member under the action of the spring and be close to the bottom taking out freshness-retaining tank interface, make to take out sack passage and realize conducting, when taking out freshness-retaining tank interface external plug, spring is compressed, move down after the upper end of air exhaust rod is touched, make to take out freshness-retaining tank passage and realize conducting.
2. according to claim 1 for the threeway of vacuum fresh-keeping device, it is characterised in that: described suction interface all extends vertically downward with taking out sack interface, takes out freshness-retaining tank interface and extends vertically upwards.
3. for the threeway of vacuum fresh-keeping device according to claims 1 or 2, it is characterised in that: the top of described lower cover is provided with upwardly extending deck, and the lateral surface middle-end of upper cover is provided with for matching the card column snapping on deck.
4. according to claim 3 for the threeway of vacuum fresh-keeping device, it is characterised in that: described deck is provided with two pairs altogether, and the top of deck is provided with and the bayonet socket of card post shapes pairing.
5. for the threeway of vacuum fresh-keeping device according to claim 1,2 or 4, it is characterised in that: the bottom margin of described upper cover is provided with seal groove, and is provided with sealing ring in this seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520979988.0U CN205293194U (en) | 2015-12-01 | 2015-12-01 | A tee bend for vacuum refreshing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520979988.0U CN205293194U (en) | 2015-12-01 | 2015-12-01 | A tee bend for vacuum refreshing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205293194U true CN205293194U (en) | 2016-06-08 |
Family
ID=56435529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520979988.0U Expired - Fee Related CN205293194U (en) | 2015-12-01 | 2015-12-01 | A tee bend for vacuum refreshing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205293194U (en) |
-
2015
- 2015-12-01 CN CN201520979988.0U patent/CN205293194U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20161201 |