CN202597896U - Exhaust hole protection device of valve positioning device - Google Patents
Exhaust hole protection device of valve positioning device Download PDFInfo
- Publication number
- CN202597896U CN202597896U CN 201220183615 CN201220183615U CN202597896U CN 202597896 U CN202597896 U CN 202597896U CN 201220183615 CN201220183615 CN 201220183615 CN 201220183615 U CN201220183615 U CN 201220183615U CN 202597896 U CN202597896 U CN 202597896U
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- China
- Prior art keywords
- exhaust port
- valve positioner
- conversion adapter
- positioning device
- tank body
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- 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.)
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Abstract
The utility model relates to an exhaust hole protection device of a valve positioning device. The utility model relates to a valve positioning device protection device in industrial automatic equipment, in particular to an adjusting valve positioning device which is suitable for an industrial oxygen production device. The exhaust hole protection device comprises an inverted U-shaped pipe, a rotary connecting structure, a first adapter, a filter tank and a second adapter; one end of the inverted U-shaped pipe is a free end, and an opening of the inverted U-shaped pipe faces towards to lead to the atmosphere environment; the other end of the inverted U-shaped pipe extends to form a connecting pipe to be connected to the rotary connecting structure and to the upper end of the filter tank through the first adapter; and the lower end of the filter tank is fixedly connected to an exhaust hole of the valve positioning device through the second adapter. The exhaust hole protection device is applied to the valve positioning device which is installed in the open air on a large-sized air separation or other continuous production devices, and the problems such as abnormal work of the positioning device and abnormal bump of the air separation device caused by back suction of the vapor into the positioning device from the valve positioning device exhaust hole because a dustproof ventilation bolt is plugged can be prevented.
Description
Technical field
The utility model relates to the valve positioner protective gear in a kind of industrial automation equipment, relates in particular to a kind of exhaust port protective gear that is applicable to the modulating valve valve positioner in the industrial oxygenerating equipment.
Background technique
The part modulating valve valve positioner of smelter oxyen manutactory, because of receiving condition restriction, the exhaust port that causes valve positioner upwards or about two sides.The dustproof ventilative bolt that carries on the exhaust port of valve positioner is running into the ice and snow microthermal climate, the covering of ice and snow and infiltration; The dust of accumulation at ordinary times; Very easily cause the obstruction of valve positioner exhaust port and the damage of positioning work piece, cause modulating valve to move, have influence on the normal running and the operation of air separation equipment; Even cause oxygen, nitrogen, argon off-grid, cause production accident.(utility model patent number: ZL200420012594.X notice of authorization number: CN2733433Y) disclose filter screen, throttle valve in a kind of new structure electricity-gas valve positioner, it comprises suction port, filter screen, throttle valve, air outlet to China's utility model patent " filter screen in the electricity-gas valve positioner, throttle valve ", it is characterized in that; Adopt construction bolt to link to each other with the electricity-gas valve positioner housing; Tubular filter screen and suction port are located on the double-screw bolt of construction bolt, communicate with the source of the gas air supply pipe, and the air outlet is located on the retaining ring; Retaining ring links to each other with construction bolt with thread forms; Throttle valve is located in the retaining ring, and the purpose of tubular filter screen is to prevent that throttle valve from being stopped up by dust, greasy dirt, guarantees the electricity-gas valve positioner proper functioning; Its advantage is; Good airproof performance, dust is difficult to immerse in the environment of install, use is on-the-spot, can reduce fault and take place; Filter screen, throttle valve are contained on the double-screw bolt, and parts replacement is convenient, and Maintenance and Repair are easy; The tubular filter screen is fixed on the double-screw bolt, and its stability of structure is good, installs firmly, is not easy displacement, comes off, big, effective advantage that the while has filter area again.But, because this device is a kind of dustproof ventilative bolt that carries on the exhaust port that is fixed on, when valve positioner because of receive the installation conditions restriction be in exhaust port upwards or about during the position of two sides, cause the plugging fault of exhaust port easily, influence is kept the safety in production.
The model utility content
The purpose of the utility model is the exhaust port protective gear that a kind of valve positioner will be provided, and the installation that solves valve positioner receives the technical problem of on-the-spot adverse condition restriction, and valve positioner can 360 degree directions can arbitrarily be installed.Solve the large-scale air segregating unit under running state continuously, on-the-spot positioning work piece is because the dustproof ventilative bolt of positioning work piece that dust, low temperature, ice and snow cause stops up, and causes the technical problem that positioning work piece can't proper functioning.Avoid the transmitter internal wetted to break down; Can judge the transmitter internal state fast, realize onlinely, not influence ordinary production breaking down or existing the valve positioner of hidden danger to handle; Need not change the position of valve actuator, be applicable to various mounting points.
The utility model solves the problems of the technologies described above the technological scheme that is adopted:
A kind of exhaust port protective gear of valve positioner is connected on the exhaust port of valve positioner, it is characterized in that:
Described exhaust port protective gear comprises reverse-U-shaped tube, rotatable linkage structure, first conversion adapter, the filtering tank and second conversion adapter;
One end of described reverse-U-shaped tube is a free end, and its opening leads to atmosphere environment down; The other end of reverse-U-shaped tube extends to connecting tube, is connected to rotatable linkage structure, and is connected to the upper end of filtering tank through first conversion adapter;
The lower end of described filtering tank is fixedly attached to through second conversion adapter on the exhaust port of valve positioner.
A kind of preferable technological scheme of the exhaust port protective gear of the valve positioner of the utility model; It is characterized in that described rotatable linkage structure comprises locking nut, fastening cutting ferrule and positioning sleeve; Said connecting tube passes the locking nut endoporus; Be fixedly attached on the positioning sleeve through fastening cutting ferrule, described connecting tube is through positioning sleeve and locking nut, and locking is connected to an end of first conversion adapter.
A kind of better technological scheme of the exhaust port protective gear of the valve positioner of the utility model is characterized in that described filtering tank comprises upper end cap, last filter screen, tank body, following filter screen and lower end cap; Described first conversion adapter is fixedly connected on the upper end cap; Described upward filter screen is fixed on the upper end of tank body through upper end cap; Be filled with moisture-absorbing desiccant in the described tank body; Described filter screen down is fixed on the lower end of tank body through lower end cap; Described second conversion adapter is fixedly connected on the lower end cap.
A kind of improved technological scheme of the exhaust port protective gear of the valve positioner of the utility model is characterized in that the tank body of described filtering tank is provided with viewing window, is filled with the drying regime indicator in the described tank body.
The beneficial effect of the utility model is:
1, on the valve positioner of the open-air installation on large-scale air separation or other continuous manufacturing mechanisms; Adopt the exhaust port protective gear of the valve positioner of the utility model; Can prevent that the valve positioner exhaust port from stopping up because of dustproof ventilative bolt; The aqueous vapor suck-back gets into positioning work piece, causes the positioning work piece can't proper functioning, and then causes that air separation equipment jumps the problem of car unusually.
2, when valve positioner breaks down, can change fast, do not receive the influence of positioning work piece mounting point, angle, the equipment that do not influence normally moves.
3, processing is simple, cost is low, replacing is convenient, and it is unusual to be convenient to daily spot check discovering device, through visual judgement positioning work piece current state, effectively abatement apparatus hidden danger.
Description of drawings
Fig. 1 is the structural representation of exhaust port protective gear of the valve positioner of the utility model
Fig. 2 is the worm's eye view of exhaust port protective gear of the valve positioner of the utility model
Fig. 3 is the assembled relation figure of each parts of exhaust port protective gear of the valve positioner of the utility model
The label of each parts in more than scheming: the rotatable linkage structure of 10-, 11-reverse-U-shaped tube, 12-connecting tube, 13-locking nut; The fastening cutting ferrule of 14-, 15-positioning sleeve, 16-first conversion adapter, 20-filtering tank; The 21-upper end cap, the last filter screen of 22-, 23-tank body, 24-drying regime indicator; Filter screen under the 25-, 26-lower end cap, 27-second conversion adapter.
Embodiment
In order to understand the technique scheme of the utility model better, be explained in further detail below in conjunction with accompanying drawing and embodiment.
An embodiment of the exhaust port protective gear of the valve positioner of the utility model of the utility model is as depicted in figs. 1 and 2, and the assembled relation of its each parts is as shown in Figure 3.Described exhaust port protective gear is connected on the exhaust port of valve positioner (not shown), comprises reverse-U-shaped tube 11, rotatable linkage structure 10, the first conversion adapters 16, the filtering tank 20 and second conversion adapter 27; One end of reverse-U-shaped tube 11 is a free end, and its opening leads to atmosphere environment down; The other end of reverse-U-shaped tube 11 extends to connecting tube 12, is connected to rotatable linkage structure 10, and is connected to the upper end of filtering tank 20 through first conversion adapter 16; The lower end of filtering tank 20 is fixedly attached on the exhaust port of valve positioner through second conversion adapter 27.
According to shown in Figure 3; In the exhaust port protective gear of the valve positioner of the utility model; Rotatable linkage structure 10 comprises locking nut 13, fastening cutting ferrule 14 and positioning sleeve 15, and connecting tube 12 passes the endoporus of locking nut 13, is fixedly attached on the positioning sleeve 15 through fastening cutting ferrule 14; Connecting tube 12 is through positioning sleeve 15 and locking nut 13, and locking is connected to an end of first conversion adapter 16.
Inverted U pipe 11 is generally copper pipe or Stainless Steel Tube with connecting tube 12.If the copper pipe that adopts material to cross for annealing in process, when mounted, can any special tool(s); As installed position needs according to valve positioner; Arbitrarily the free end of adjustment U type pipe 11 remains downwards relief opening, shown in the dot and dash line of Fig. 1 and Fig. 3 middle and upper part to being suitable for angle.According to an embodiment, inverted U pipe 11 adopts stainless steel φ 6 pipes with connecting tube 12,8 centimetres of length, and the upper end bending is made the shape that is similar to " sunshade handle " for inverted U, and the overall height H of bending back inverted U pipe 11 is 4 centimetres, and the free end length L is 1 centimetre.
According to Fig. 3, when assembly operation, connecting tube 12 is passed locking nut 13 successively; Fastening cutting ferrule 14 and positioning sleeve 15; Can let copper pipe slightly have more about positioning sleeve 15 about 3mm, have more part and place the inverted cone mouth of first conversion adapter 16, when locking nut 13 and first conversion adapter 16 are tightened; The conical surface of positioning sleeve 15 is just in time identical with the inverted cone face of first conversion adapter 16; And, fastening cutting ferrule 14 is fastened on the connecting tube 12 with positioning sleeve 15 through pressing to expand with fastening cutting ferrule 14 jacking positioning sleeves 15, so just make 12,13,14,15,16 devices that formed a sealing, finalized the design.At this moment again locking nut 13 is unclamped; Can see that fastening cutting ferrule 14 is fastened on the connecting tube 12 with positioning sleeve 15; Connecting tube 12 remains on the position that slightly has more about positioning sleeve 15 about 3mm; Reverse-U-shaped tube 11 can be rotated around axis 360 degree of connecting tube 12, and rotary motion trace is shown in the dashed circle of Fig. 2.Convenience when installing according to the scene then turns to only direction, fastening again locking nut 13, through positioning sleeve 15 U-shaped pipe 11 in company with around connecting tube 12, be locked on first conversion adapter 16, guarantee the downward all the time orientation of relief opening.
According to the embodiment of the exhaust port protective gear of the valve positioner of the utility model shown in Figure 3, filtering tank 20 comprises upper end cap 21, goes up filter screen 22, tank body 23, filter screen 25 and lower end cap 26 down; First conversion adapter 16 is fixedly connected on the upper end cap 21; Last filter screen 22 is fixed on the upper end of tank body 23 through upper end cap 21; Be filled with moisture-absorbing desiccant 24 in the tank body 23; Following filter screen 25 is fixed on the lower end of tank body 23 through lower end cap 26; Second conversion adapter 27 is fixedly connected on the lower end cap 26.Filter screen can pass through the gas molecule up and down, but blocks dust, and block water molecule in large quantities.
According to a preferred embodiment of the exhaust port protective gear of the valve positioner of the utility model, the tank body 23 of filtering tank 20 is processed for transparent material, and for example plexiglass forms transparent viewing window on tank body.Be filled with drying regime indicator 24 in the tank body 23, the drying regime indicator 24 preferred discolour silica gels that adopt, discolour silica gel is pink when dry, becomes white behind the suction moisture.Through such hermetically sealed can is set; The i.e. intrusion of blocks dust, moisture content has effectively kept simultaneously the unimpeded of exhaust again, can also be through the tank body viewing window of transparent material; Directly see the drying regime of the exhaust of valve positioner; Thereby the transmitter internal state is made judgement timely and accurately, realize onlinely, can greatly reduce the make moist possibility of initiating failure of positioning work piece piezoelectric unit breaking down or existing the valve positioner of hidden danger to handle.
Those of ordinary skill in the art will be appreciated that; Above embodiment only is the technological scheme that is used for explaining the utility model; And be not the qualification that is used as the utility model; Any connotation based on the utility model is to variation, modification that the above embodiment did, all will drop in the protection domain of claim of the utility model.
Claims (4)
1. the exhaust port protective gear of a valve positioner is connected on the exhaust port of valve positioner, it is characterized in that: described exhaust port protective gear comprises reverse-U-shaped tube, rotatable linkage structure, first conversion adapter, the filtering tank and second conversion adapter; One end of described reverse-U-shaped tube is a free end, and its opening leads to atmosphere environment down; The other end of reverse-U-shaped tube extends to connecting tube, is connected to rotatable linkage structure, and is connected to the upper end of filtering tank through first conversion adapter; The lower end of described filtering tank is fixedly attached to through second conversion adapter on the exhaust port of valve positioner.
2. the exhaust port protective gear of valve positioner according to claim 1; It is characterized in that described rotatable linkage structure comprises locking nut, fastening cutting ferrule and positioning sleeve; Said connecting tube passes the locking nut endoporus; Be fixedly attached on the positioning sleeve through fastening cutting ferrule, described connecting tube is through positioning sleeve and locking nut, and locking is connected to an end of first conversion adapter.
3. the exhaust port protective gear of valve positioner according to claim 1 is characterized in that described filtering tank comprises upper end cap, last filter screen, tank body, following filter screen and lower end cap; Described first conversion adapter is fixedly connected on the upper end cap; Described upward filter screen is fixed on the upper end of tank body through upper end cap; Be filled with moisture-absorbing desiccant in the described tank body; Described filter screen down is fixed on the lower end of tank body through lower end cap; Described second conversion adapter is fixedly connected on the lower end cap.
4. the exhaust port protective gear of valve positioner according to claim 3 is characterized in that the tank body of described filtering tank is provided with viewing window, is filled with the drying regime indicator in the described tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220183615 CN202597896U (en) | 2012-04-26 | 2012-04-26 | Exhaust hole protection device of valve positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220183615 CN202597896U (en) | 2012-04-26 | 2012-04-26 | Exhaust hole protection device of valve positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202597896U true CN202597896U (en) | 2012-12-12 |
Family
ID=47315436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220183615 Expired - Lifetime CN202597896U (en) | 2012-04-26 | 2012-04-26 | Exhaust hole protection device of valve positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202597896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637233A (en) * | 2020-07-07 | 2020-09-08 | 包松军 | Pressure regulating assembly of tire pressure gun |
-
2012
- 2012-04-26 CN CN 201220183615 patent/CN202597896U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637233A (en) * | 2020-07-07 | 2020-09-08 | 包松军 | Pressure regulating assembly of tire pressure gun |
| CN111637233B (en) * | 2020-07-07 | 2021-12-07 | 温州盛科喷涂科技有限公司 | Pressure regulating assembly of tire pressure gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |