CN205401831U - Vacuum cross valve of mechanical type - Google Patents
Vacuum cross valve of mechanical type Download PDFInfo
- Publication number
- CN205401831U CN205401831U CN201620184008.2U CN201620184008U CN205401831U CN 205401831 U CN205401831 U CN 205401831U CN 201620184008 U CN201620184008 U CN 201620184008U CN 205401831 U CN205401831 U CN 205401831U
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- China
- Prior art keywords
- valve
- vacuum
- fork
- valve seat
- projection
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- Expired - Fee Related
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Abstract
The utility model discloses a vacuum cross valve of mechanical type, it has two cases, under the effect of last pressure spring, a case department is the next, seal and enter the mouth by the atmosphere, under the effect of pendulum rod lifting force, a case department is upper, seal the route of vacuum box and two vacuum pumps, at this moment, the atmosphere entry is opened, the air admission vacuum box, case no. 2 sets up in two vacuum pump interface sides, under two effects of last pressure spring, two departments of case are the next, high -vacuum pump interface and vacuum box interface intercommunication, under the pendulum rod effect, two departments of case are upper, rough vacuum pump interface and vacuum box interface intercommunication. The utility model discloses a vacuum cross valve of mechanical type is logical to have bivalve core quadbit cross, need not use the electromagnetic force, can make great latus rectum to as long as the pendulum rod gyro wheel moves on the unequal track of height, just can control the switching of case, simple structure manipulates and switches over the convenience.
Description
Technical field
This utility model belongs to vacuum packaging industry device technical field, particularly to the mechanical vacuum cross valve of one of a kind of rotary type vacuum sealing machine for fractional pack products such as food, medicine, electronics.
Background technology
Mostly vacuum cross valve in the market is electromagnetic type, mechanical seldom and effective drift diameter all only small, it is difficult to reach the requirement of vacuum system.
The purpose of this utility model is in that to solve the defect of above-mentioned prior art, the mechanical vacuum cross valve of a kind of new structure is provided, this vacuum cross valve has four four-ways of double spool, electromagnetic force need not be used, as long as fork roller runs on the track that height does not wait, just can control the switching of spool, simple in construction, operate with easy switching.
Utility model content
The purpose of this utility model is in that to provide a kind of mechanical type cross valve being controlled four-way by mechanical type, and it has four four-ways of double spool, it is not necessary to by electromagnetic force, it is possible to make relatively big orifice, and mechanical structure is durable not easily breaks down, and four-way is effective.
nullThe technical solution of the utility model is: a kind of mechanical vacuum cross valve，It includes spool one、Spool two、Atmospheric connection、Vacuum box interface、Roughing pump interface、High-vacuum pump interface、Compression spring one、Compression spring two、Lower stage clip one、Lower stage clip two、Valve rod one、Valve rod two、Valve seat fork one、Valve seat fork two、Fork roller one、Fork roller two and valve body，Wherein said atmospheric connection and vacuum box interface are arranged at the side of described valve body，Described roughing pump interface and high-vacuum pump interface are arranged on the opposite side of described valve body，Described spool one is arranged on described valve rod one and is positioned at and the valve pocket one of described vacuum box orifice，The upper end of described valve rod one and described compression spring one contact，The lower end of described valve rod one and described lower stage clip one contact，Lower stage clip one is set on the projection one stretching out described valve body，Described projection one is corresponding with described valve seat fork one，Described spool two is arranged on described valve rod two and is positioned at the valve pocket two with roughing pump interface and high-vacuum pump orifice，The two ends up and down of described valve rod two are respectively arranged with compression spring two and lower stage clip two，Lower stage clip two is set on the projection two stretching out valve body，Projection two and described valve seat fork two are correspondingly arranged，Described valve pocket one is internal with described valve pocket two to be connected.
Further, the upper end of described valve seat fork one and valve seat fork two tilts to be connected to described body base one end rotationally, the lower end of described valve seat fork one and valve seat fork two is connected to described fork roller one and fork roller two, described valve seat fork one and the surface of valve seat fork two corresponding described projection one and projection two respectively.
Further, described valve seat fork one and valve seat fork two can contact described projection one and projection two respectively by inclination.
Further, described valve seat fork one contacts the distance that the distance that projection one vertically moves moves up and down in valve pocket one more than or equal to spool one, and described valve seat fork two contacts distance that projection two vertically moves more than or equal to spool two two distance moved up and down in valve pocket.
In sum, the beneficial effects of the utility model are in that: mechanical vacuum cross valve of the present utility model controls four-way by frame for movement, its vacuum cross valve has four four-ways of double spool, electromagnetic force need not be used, relatively big orifice can be made, as long as and fork roller height not wait track on operation, just can control the switching of spool, simple in construction, operates with easy switching.
It is described in more detail this utility model by the examples below.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of mechanical vacuum cross valve of the present utility model；
Fig. 2 is the structure sectional view of mechanical vacuum cross valve of the present utility model.
Detailed description of the invention
In the way of embodiment is in conjunction with accompanying drawing, this utility model is further described below.
nullAs shown in Figure 1 to Figure 2，It illustrates the concrete structure of the mechanical vacuum cross valve of utility model，This cross valve structure includes spool 1、Spool 25、Atmospheric connection 3、Vacuum box interface 2、Roughing pump interface 4、High-vacuum pump interface 6、Compression spring 1、Compression spring 2 10、Lower stage clip 1、Lower stage clip 2 12、Valve rod 1、Valve rod 28、Valve seat fork 1、Valve seat fork 2 16、Fork roller one、Fork roller 2 17 and valve body 18，As shown in Figure 1，Wherein atmospheric connection 3 and vacuum box interface 2 are arranged at the side of valve body 18，And roughing pump interface 4 and high-vacuum pump interface 6 are arranged on and the opposite side of atmospheric connection 3 and vacuum box interface 2，Spool 1 is arranged on valve rod 1 and is positioned at the valve pocket 1 connected with described vacuum box interface 2，The upper end of valve rod 1 and institute's compression spring 1 contact，The lower end of valve rod 1 and described lower stage clip 1 contact，Lower stage clip 1 is set on the projection 1 stretching out valve body，Projection 1 is corresponding with valve seat fork 1，Spool 25 is arranged on valve rod 28 and is positioned at the valve pocket 2 20 connected with roughing pump interface 4 and high-vacuum pump interface 6，The two ends up and down of valve rod 28 are respectively arranged with compression spring 2 10 and lower stage clip 2 12，Lower stage clip 2 12 is set on the projection 2 14 stretching out valve body，Projection 2 14 and valve seat fork 2 16 are correspondingly arranged，Valve pocket 1 connects in the inside of valve body 18 with valve pocket 2 20.
The upper end of valve seat fork 1 and valve seat fork 2 16 tilts to be connected to the bottom end of valve body 18 rotationally, the lower end of valve seat fork 1 and valve seat fork 2 16 is connected to fork roller one and fork roller 2 17, valve seat fork 1 and the surface of valve seat fork 2 16 corresponding projection 1 and projection 2 14 respectively.And valve seat fork 1 and valve seat fork 2 16 can contact projection 1 and projection 2 14 by fork roller one and fork roller 2 17 when running on rugged track respectively.And generally speaking, valve seat fork 1 contacts the distance that the distance that projection 1 vertically moves moves up and down in valve pocket 1 more than or equal to spool 1, and valve seat fork 2 16 contacts distance that projection 2 14 vertically moves more than or equal to spool 252 20 distance moved up and down in valve pocket.
The specific works principle of mechanical type cross valve of the present utility model is: the operation principle of spool one, and under the effect of compression spring 1, it is the next that valve rod 1 moves down band movable valve plug 1 place, and now spool 1 seals the air entered by atmospheric connection 3；Under valve seat fork 1 climbing power effect, now valve rod 1 meeting band movable valve plug 1 place is upper, and now spool 1 can seal the path of vacuum box interface 2 and roughing pump interface 4 and high-vacuum pump interface 6, and at this moment atmospheric connection 3 is opened, air enters in vacuum box, and vacuum box can be opened.The operation principle of spool 25 is similar with spool 1, under the effect of compression spring 2 10, spool 25 place is the next, at this moment roughing pump interface 4 is sealed by spool two, and vacuum box interface 2 communicates with high-vacuum pump interface 6, as, under the effect of valve seat fork 2 16, spool 25 is in upper, high-vacuum pump interface 6 is sealed by spool two, and vacuum box interface 2 communicates with roughing pump interface 4.
Of the present utility model it is mainly characterized by comprising: four four-ways of double spool, without electromagnetic force, as long as fork roller runs on the track that height does not wait, just can control the switching of spool.
Mechanical vacuum cross valve of the present utility model is not limited to the structure of above-described embodiment, it is possible to carry out multiple modification.In a word, both falling within scope of the present utility model without departing from all improvement in this utility model scope.
Claims (4)
- null1. a mechanical vacuum cross valve，It is characterized in that，Including spool one、Spool two、Atmospheric connection、Vacuum box interface、Roughing pump interface、High-vacuum pump interface、Compression spring one、Compression spring two、Lower stage clip one、Lower stage clip two、Valve rod one、Valve rod two、Valve seat fork one、Valve seat fork two、Fork roller one、Fork roller two and valve body，Wherein said atmospheric connection and vacuum box interface are arranged at the side of described valve body，Described roughing pump interface and high-vacuum pump interface are arranged on the opposite side of described valve body，Described spool one is arranged on described valve rod one and is positioned at and the valve pocket one of described vacuum box orifice，The upper end of described valve rod one and described compression spring one contact，The lower end of described valve rod one and described lower stage clip one contact，Lower stage clip one is set on the projection one stretching out described valve body，Described projection one is corresponding with described valve seat fork one，Described spool two is arranged on described valve rod two and is positioned at the valve pocket two with roughing pump interface and high-vacuum pump orifice，The two ends up and down of described valve rod two are respectively arranged with compression spring two and lower stage clip two，Lower stage clip two is set on the projection two stretching out valve body，Projection two and described valve seat fork two are correspondingly arranged，Described valve pocket one is internal with described valve pocket two to be connected.
- 2. mechanical vacuum cross valve according to claim 1, it is characterized in that, the upper end of described valve seat fork one and valve seat fork two tilts to be connected to described body base one end rotationally, the lower end of described valve seat fork one and valve seat fork two is connected to described fork roller one and fork roller two, described valve seat fork one and the surface of valve seat fork two corresponding described projection one and projection two respectively.
- 3. mechanical vacuum cross valve according to claim 2, it is characterised in that described valve seat fork one and valve seat fork two can contact described projection one and projection two respectively by inclination.
- 4. mechanical vacuum cross valve according to claim 3, it is characterized in that, described valve seat fork one contacts the distance that the distance that projection one vertically moves moves up and down in valve pocket one more than or equal to spool one, and described valve seat fork two contacts distance that projection two vertically moves more than or equal to spool two two distance moved up and down in valve pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184008.2U CN205401831U (en) | 2016-03-11 | 2016-03-11 | Vacuum cross valve of mechanical type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184008.2U CN205401831U (en) | 2016-03-11 | 2016-03-11 | Vacuum cross valve of mechanical type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401831U true CN205401831U (en) | 2016-07-27 |
Family
ID=56439506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620184008.2U Expired - Fee Related CN205401831U (en) | 2016-03-11 | 2016-03-11 | Vacuum cross valve of mechanical type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751426A (en) * | 2019-03-05 | 2019-05-14 | 王朝鹤 | A kind of dynamic flow balance valve |
| CN110822757A (en) * | 2019-07-22 | 2020-02-21 | 北京市京科伦冷冻设备有限公司 | Carbon dioxide refrigerating system and refrigerating method thereof |
-
2016
- 2016-03-11 CN CN201620184008.2U patent/CN205401831U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751426A (en) * | 2019-03-05 | 2019-05-14 | 王朝鹤 | A kind of dynamic flow balance valve |
| CN110822757A (en) * | 2019-07-22 | 2020-02-21 | 北京市京科伦冷冻设备有限公司 | Carbon dioxide refrigerating system and refrigerating method thereof |
| CN110822761A (en) * | 2019-07-22 | 2020-02-21 | 北京市京科伦冷冻设备有限公司 | Refrigeration and heating system based on four-way reversing valve |
| CN110822761B (en) * | 2019-07-22 | 2021-08-06 | 北京市京科伦冷冻设备有限公司 | Refrigeration and heating system based on four-way reversing valve |
| CN110822757B (en) * | 2019-07-22 | 2021-08-06 | 北京市京科伦冷冻设备有限公司 | Carbon dioxide refrigerating system and refrigerating method thereof |
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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 |
Granted publication date: 20160727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |