CN205781249U - Pneumatic rotary check valve apparatus - Google Patents
Pneumatic rotary check valve apparatus Download PDFInfo
- Publication number
- CN205781249U CN205781249U CN201620467473.7U CN201620467473U CN205781249U CN 205781249 U CN205781249 U CN 205781249U CN 201620467473 U CN201620467473 U CN 201620467473U CN 205781249 U CN205781249 U CN 205781249U
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- piston
- cylinder block
- cavity
- tooth bar
- gear shaft
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Abstract
The utility model discloses a kind of Pneumatic rotary check valve apparatus, including ball valve, the valve rod of ball valve is polygon；Also include the pneumatic actuator driving valve rod to rotate, pneumatic actuator includes cylinder block, the left piston being arranged in cylinder block, the left tooth bar being connected with left piston, right piston, the right tooth bar being connected with right piston and gear shaft, left tooth bar and right tooth bar link with gear spindle drive respectively, the first passage of the cavity being provided with in cylinder block between connection left piston and right piston, the second channel of cavity cylinder block being additionally provided with between cavity and right piston and the cylinder block between connection left piston and cylinder block；Compressed gas enters in cavity from first passage, and left piston and right piston promote gear shaft to rotate simultaneously, are opened by ball valve；Compressed gas enters in cavity from second channel, and left piston and right piston promote gear shaft to rotate simultaneously, is closed by ball valve, can effectively guarantee that hydraulic oil does not refluxes so that the opening and closing of ball valve is the most safe and reliable.
Description
Technical field
This utility model relates to quick mold change systems field, particularly relates to Pneumatic rotary check valve apparatus.
Background technology
In quick die change industry, pumping can stop providing the hydraulic oil of high pressure for system when quitting work, in the combination of pumping simultaneously
Check valve can stop fluid reflux cause pressure to decline situation.But in some cases.Check valve can leak, this
Sample, fluid still can be back in the fuel tank of pumping.
Utility model content
This utility model solves the technical problem that and there is provided a kind of simple in construction, Pneumatic rotary check valve apparatus easy to control.
This utility model solves its technical problem the technical scheme is that Pneumatic rotary check valve apparatus, including ball valve, ball
The valve rod of valve is polygon；Also including the pneumatic actuator driving valve rod to rotate, pneumatic actuator includes cylinder block, is arranged on gas
Left piston in cylinder body, the left tooth bar being connected with left piston, right piston, the right tooth bar being connected with right piston and gear shaft, left
Tooth bar and right tooth bar link with gear spindle drive respectively, and the bottom of gear shaft is provided with internal polygon groove corresponding with valve rod,
The first passage of the cavity being provided with in cylinder block between connection left piston and right piston, cylinder block is additionally provided with the left work of connection
The second channel of the cavity between cavity and right piston and cylinder block between plug and cylinder block.
Compressed gas enters in the cavity between left piston and right piston from first passage, and left piston and right piston promote simultaneously
Gear shaft rotates, and is opened by ball valve；Compressed gas enters the cavity between left piston and cylinder block and right piston from second channel
And in the cavity between cylinder block, left piston and right piston promote gear shaft to rotate simultaneously, ball valve is closed, can be the most true
Protect hydraulic oil not reflux so that the opening and closing of ball valve is the most safe and reliable.
Further: described valve rod is orthohexagonal valve rod, described internal polygon groove is interior hexagonal groove.
Further: in described cylinder block, be provided with the adjusting screw rod that gear shaft rotates.
Further: be provided with spring between described left piston and cylinder block, between right piston and cylinder block, be provided with spring.
The beneficial effects of the utility model are: compressed gas enters in the cavity between left piston and right piston from first passage,
Left piston and right piston move to the both sides of cylinder block simultaneously, promote gear shaft to rotate, and gear shaft band ovable valve stem rotates, by ball
Valve is opened；Compressed gas enters the chamber between cavity and right piston and the cylinder block between left piston and cylinder block from second channel
Internal, promote left piston and right piston to move to centre simultaneously, promote gear shaft to rotate, gear shaft band ovable valve stem rotates, will
Ball valve is closed, and can effectively guarantee that hydraulic oil does not refluxes so that the opening and closing of ball valve is the most safe and reliable.
Accompanying drawing explanation
Fig. 1 is Pneumatic rotary check valve apparatus structural representation；
Fig. 2 is pneumatic actuator front view structural representation；
Fig. 3 is pneumatic actuator top view structural representation；
Figure is labeled as: ball valve 1, valve rod 11, pneumatic actuator 2, cylinder block 21, left piston 22, left tooth bar 23, right work
Plug 24, right tooth bar 25, gear shaft 26, first passage 27, second channel 28, spring 29.
Detailed description of the invention
With detailed description of the invention, this utility model is illustrated further below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, Pneumatic rotary check valve apparatus, including ball valve 1, the valve rod 11 of ball valve 1 is polygon；Also
Including the pneumatic actuator 2 driving valve rod 11 to rotate, pneumatic actuator includes cylinder block 21, the left side being arranged in cylinder block 21
Piston 22, the left tooth bar 23 being connected with left piston 22, right piston 24, the right tooth bar 25 being connected with right piston 24 and gear
Axle 26, left tooth bar 23 links with gear shaft 26 transmission respectively with right tooth bar 25, and the bottom of gear shaft 26 is provided with and valve rod 11
Corresponding internal polygon groove, the first of cavity cylinder block 21 being provided with between connection left piston 22 and right piston 24
Passage 27, cylinder block 21 is additionally provided with the cavity between connection left piston 22 and cylinder block 21 and right piston 24 and cylinder
The second channel 28 of the cavity between body 21；Compressed gas enters between left piston 22 and right piston 24 from first passage 27
Cavity in, left piston 22 and right piston 24 move to the both sides of cylinder block 21 simultaneously, promote gear shaft 26 to rotate, tooth
Wheel shaft 26 band ovable valve stem 11 rotates, and is opened by ball valve；Compressed gas enters left piston 22 and cylinder block 21 from second channel 28
Between cavity and right piston 24 and cylinder block 21 between cavity in, promote left piston 22 and right piston 24 simultaneously to
Middle mobile, promote gear shaft 26 to rotate, gear shaft 26 band ovable valve stem 11 rotates, and is closed by ball valve, can effectively guarantee liquid
Force feed does not refluxes so that the opening and closing of ball valve is the most safe and reliable.
Described valve rod 11 is orthohexagonal valve rod, and above-mentioned internal polygon groove is interior hexagonal groove；Valve rod 11 is by tooth
The orthohexagonal groove of the bottom of wheel shaft 26 drives and rotates, and easy to operate, it is firm to connect.
The adjusting screw rod that gear shaft 26 rotates it is provided with in described cylinder block 21；Adjusting screw rod includes two, is respectively used to
Opening and closing of control valve, when valve is opened not in place, can regulate the adjusting screw rod near left piston 22 and carry out valve
Open, when valve closing is not in place, the adjusting screw rod near right piston 24 can be regulated and carry out the closedown of valve.
It is provided with spring 29 between described left piston 22 and cylinder block 21, between right piston 24 and cylinder block 21, is provided with spring
29；Spring plays the effect of buffering during left piston 22 and right piston 24 move.
Pneumatic rotary check valve apparatus of the present utility model, compressed gas enters between left piston and right piston from first passage
In cavity, left piston and right piston move to the both sides of cylinder block simultaneously, promote gear shaft to rotate, and gear shaft band ovable valve stem turns
Dynamic, ball valve is opened；Compressed gas enters the cavity between left piston and cylinder block and right piston and cylinder block from second channel
Between cavity in, promote left piston and right piston to move to centre simultaneously, promote gear shaft to rotate, gear shaft band ovable valve stem
Rotate, ball valve is closed, can effectively guarantee that hydraulic oil does not refluxes so that the opening and closing of ball valve is the most safe and reliable.
Above-described detailed description of the invention, has been carried out the purpose of this utility model, technical scheme and beneficial effect the most in detail
Describe in detail bright, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, be not limited to this reality
With novel, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, all should wrap
Within being contained in protection domain of the present utility model.
Claims (4)
1. Pneumatic rotary check valve apparatus, it is characterised in that: including ball valve, the valve rod of ball valve is polygon；Also include driving
The pneumatic actuator that valve rod rotates, pneumatic actuator includes cylinder block, the left piston being arranged in cylinder block, is connected with left piston
Left tooth bar, right piston, the right tooth bar being connected with right piston and gear shaft, left tooth bar and right tooth bar respectively with gear spindle drive
Link, the bottom of gear shaft is provided with internal polygon groove corresponding with valve rod, cylinder block is provided with connection left piston and
The first passage of the cavity between right piston, cylinder block is additionally provided with the cavity between connection left piston and cylinder block and right work
The second channel of the cavity between plug and cylinder block.
2. Pneumatic rotary check valve apparatus as claimed in claim 1, it is characterised in that: described valve rod is orthohexagonal valve
Bar, described internal polygon groove is interior hexagonal groove.
3. Pneumatic rotary check valve apparatus as claimed in claim 1, it is characterised in that: it is provided with driving in described cylinder block
The adjusting screw rod that gear shaft rotates.
4. Pneumatic rotary check valve apparatus as claimed in claim 1 or 2, it is characterised in that: described left piston and cylinder block
Between be provided with spring, be provided with spring between right piston and cylinder block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620467473.7U CN205781249U (en) | 2016-05-20 | 2016-05-20 | Pneumatic rotary check valve apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620467473.7U CN205781249U (en) | 2016-05-20 | 2016-05-20 | Pneumatic rotary check valve apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781249U true CN205781249U (en) | 2016-12-07 |
Family
ID=58117078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620467473.7U Active CN205781249U (en) | 2016-05-20 | 2016-05-20 | Pneumatic rotary check valve apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205781249U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723904A (en) * | 2017-10-30 | 2019-05-07 | 天津市北方阀门控制设备有限公司 | A kind of novel pneumatic valve control mechanism |
| CN111888123A (en) * | 2020-08-31 | 2020-11-06 | 重庆医药高等专科学校 | Recovery bed for burn |
| CN111895105A (en) * | 2020-08-14 | 2020-11-06 | 蓝晶晶 | Industrial butterfly valve |
| CN115479211A (en) * | 2022-10-31 | 2022-12-16 | 中国矿业大学 | Underground energy storage device with one-way and multi-gear transmission valve |
-
2016
- 2016-05-20 CN CN201620467473.7U patent/CN205781249U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723904A (en) * | 2017-10-30 | 2019-05-07 | 天津市北方阀门控制设备有限公司 | A kind of novel pneumatic valve control mechanism |
| CN111895105A (en) * | 2020-08-14 | 2020-11-06 | 蓝晶晶 | Industrial butterfly valve |
| CN111895105B (en) * | 2020-08-14 | 2022-04-29 | 大众阀门集团能源股份有限公司 | Industrial butterfly valve |
| CN111888123A (en) * | 2020-08-31 | 2020-11-06 | 重庆医药高等专科学校 | Recovery bed for burn |
| CN115479211A (en) * | 2022-10-31 | 2022-12-16 | 中国矿业大学 | Underground energy storage device with one-way and multi-gear transmission valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |