CN204717036U - A kind of external high pressure resistant ball valve - Google Patents
A kind of external high pressure resistant ball valve Download PDFInfo
- Publication number
- CN204717036U CN204717036U CN201520362942.4U CN201520362942U CN204717036U CN 204717036 U CN204717036 U CN 204717036U CN 201520362942 U CN201520362942 U CN 201520362942U CN 204717036 U CN204717036 U CN 204717036U
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- valve body
- input joint
- air input
- 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
Links
- 238000012856 packing Methods 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008439 repair process Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 239000003034 coal gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
- Valve Housings (AREA)
Abstract
The disclosed a kind of external high pressure resistant ball valve of the utility model, comprise housing, valve body, air input joint, air outlet adapter, valve ball, drive unit and circuit board, valve body, drive unit and circuit board are all arranged in housing, the output terminal of drive unit is provided with valve rod, valve rod and valve ball are in transmission connection, and housing adopts aluminium section bar to make; Air input joint and air outlet adapter are threadedly connected to the two ends of valve body respectively, valve seat is provided with in valve body, valve ball is installed between valve seat and air input joint, spring and pressure cap is disposed with between air input joint and valve ball, the vent hole that goes out of the air inlet through hole of air input joint, the shaft through-hole of pressure cap and air outlet adapter is arranged in coaxial, pressure cap under the action of the spring all the time with valve ball close contact, be provided with packing ring between valve ball and valve seat; Seal ring is embedded with between valve rod and valve body.The utility model is simple and reasonable, be convenient to dismounting, repair and maintenance is convenient, sealability better, bearing capacity is stronger.
Description
Technical field
The utility model relates to ball valve technical field, particularly the external high pressure resistant ball valve of one.
Background technique
Ball valve is in the application of pipeline valve control field widely, especially comparatively common in the gas pipeline such as coal gas, rock gas valve, has the advantages such as tightness is good, switch is easy.The application of electric-controlled ball valve achieves the telecontrol of pipe switch and automatically controls.Generally, for realizing the function of gas meter restriction coal gas flux, need to be equipped with an electric-controlled ball valve to gas meter.Different by the position arranged, the ball valve be applied in gas pipe line divides external valve and two kinds, built-in valve.Existing external ball valve generally includes housing, air input joint and air outlet adapter, the drive unit being separately installed with valve body, circuit board in housing and being made up of motor and gear train, air input joint, air outlet adapter are connected to the two ends of valve body, valve ball is provided with in valve body, drive unit is connected with circuit board electrical signal, the output terminal of drive unit is provided with valve rod, and end and the valve ball of valve rod are in transmission connection.During work, drive unit, under the control of circuit board, drives valve ball to rotate by valve rod, and then the conducting controlled between air input joint and air outlet adapter or closedown.
But, existing external electric-controlled ball valve because of vibrational power flow unreasonable, usually there is following defect in actual use: the first, mounting structure arranges comparatively complicated, and especially valve ball is difficult to dismounting after assembling completes, and causes maintenance repair to safeguard comparatively inconvenience; The second, sealability is poor, causes coal gas easily to enter in drive unit through the gap of valve rod and valve body, causes motor to be corroded damage; 3rd, the housing of existing external electric-controlled ball valve is adopted made of plastic usually, and bearing capacity is poor, causes in use easily occurring damaging phenomenon.
Model utility content
The purpose of this utility model is defect for prior art and deficiency, provide a kind of simple and reasonable, be convenient to that dismounting, repair and maintenance are convenient, sealability better, external high pressure resistant ball valve that bearing capacity is stronger.
For achieving the above object, the utility model is by the following technical solutions:
The external high pressure resistant ball valve of one described in the utility model, comprise housing, valve body, air input joint, air outlet adapter, valve ball, drive unit and circuit board, described valve body, described drive unit and described circuit board are all arranged in described housing, described drive unit and described circuit board are electrically connected, the output terminal of described drive unit is provided with valve rod, the free end of described valve rod passes described valve body and is in transmission connection with described valve ball, and described housing adopts aluminium section bar to make; Described air input joint and described air outlet adapter are threadedly connected to the two ends of described valve body respectively, valve seat is provided with in described valve body, described valve ball is installed between described valve seat and described air input joint, spring and pressure cap is disposed with between described air input joint and described valve ball, the vent hole that goes out of the air inlet through hole of described air input joint, the shaft through-hole of described pressure cap and described air outlet adapter is arranged in coaxial, described pressure cap under the effect of described spring all the time with described valve ball close contact, be provided with packing ring between described valve ball and described valve seat; Seal ring is embedded with between described valve rod and described valve body.
Further, the face-piece that described housing comprises main casing, is fixedly connected with described main casing, on the inwall of described main casing, correspondence is provided with left positioning plate and right positioning plate respectively, and described valve body and described drive unit are to being located between described left positioning plate and described right positioning plate.
Further, the inner top of described main casing is also provided with a pair baffle plate, and two described baffle plates are symmetricly set in the both sides of described air input joint, and the outer wall of described air input joint is provided with the limiting board coordinated with described baffle plate spline.
Further, sealing gasket is provided with between described air outlet adapter and described valve body.
Further, seal ring described in twice is embedded with side by side between described valve rod and described valve body.
The beneficial effects of the utility model are: the external high pressure resistant ball valve of the one that the utility model provides, by air input joint and air outlet adapter are connected with valve body screw thread respectively, in valve body, valve seat is set, valve ball is installed between valve seat and air input joint, and between air input joint and valve ball, set gradually spring and pressure cap, pressure cap under the action of the spring all the time with valve ball close contact, between valve ball and valve seat, packing ring is set, by arranging said structure, valve ball structure is arranged stable, dismounting more for convenience, the maintenance repair be convenient in follow-up using process is safeguarded, in addition, also ensure that valve ball under the action of the spring, can close contact all the time between packing ring and valve seat, thus ensure that the utility model can keep good sealing effect down in off position, by being embedded seal ring between valve rod and valve body, the coal gas that effectively prevent in valve body leaks out to drive unit inside, thus effectively prevent motor and occur corrosion phenomenon, extends working life, housing adopts aluminium profile to form, and compared with existing plasticity housing, aluminium casing of the present utility model can bear 10 kilograms of pressure, and voltage endurance capability is stronger.
Accompanying drawing explanation
Fig. 1 is overall decomposition texture schematic diagram of the present utility model;
Fig. 2 is overall sectional structure schematic diagram of the present utility model.
In Fig. 1 and Fig. 2:
11, main casing; 111, left positioning plate; 112, right positioning plate; 113, baffle plate; 12, face-piece; 2, valve body; 21, valve seat; 3, air input joint; 31, air inlet through hole; 32, limiting board; 4, air outlet adapter; 41, sealing gasket; 42, vent hole is gone out; 5, valve ball; 6, drive unit; 61, valve rod; 62, seal ring; 7, circuit board; 8, spring; 9, pressure cap; 91, shaft through-hole; 10, packing ring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
The external high pressure resistant ball valve of one as depicted in figs. 1 and 2, comprise housing, valve body 2, air input joint 3, air outlet adapter 4, valve ball 5, drive unit 6 and circuit board 7, wherein drive unit 6 is made up of motor and gear train cooperation, valve body 2, drive unit 6 and circuit board 7 are all arranged in housing, drive unit 6 and circuit board 7 are electrically connected, specifically, circuit board 7 and motor are electrically connected, the output terminal of drive unit 6 is provided with valve rod 61, the free end of valve rod 61 passes valve body 2 and is in transmission connection with valve ball 5, housing adopts aluminium section bar to make, compared with plasticity housing, aluminium casing of the present utility model can bear 10 kilograms of pressure, voltage endurance capability is stronger.
Air input joint 3 and air outlet adapter 4 are threadedly connected to the two ends of valve body 2 respectively, in order to improve sealing effect, are provided with sealing gasket 41 between air outlet adapter 4 and valve body 2.Valve seat 21 is provided with in valve body 2, valve ball 5 is installed between valve seat 21 and air input joint 3, spring 8 and pressure cap 9 is disposed with between air input joint 3 and valve ball 5, the vent hole 42 that goes out of the air inlet through hole 31 of air input joint 3, the shaft through-hole 91 of pressure cap 9 and air outlet adapter 4 is arranged in coaxial, pressure cap 9 under the effect of spring 8 all the time with valve ball 5 close contact, be provided with packing ring 10 between valve ball 5 and valve seat 21.
By arranging said structure, valve ball 5 vibrational power flow is stablized, handling more for convenience, the maintenance repair be convenient in follow-up using process is safeguarded, in addition, also ensure that under the effect of spring 8 between valve ball 5, packing ring 10 and valve seat 21 can close contact all the time, thus ensure that the utility model is lower in off position and can keep good sealing effect.
Being embedded with seal ring 62 between valve rod 61 and valve body 2, specifically, in order to improve sealing effect further, between valve rod 61 and valve body 2, being embedded with two seals circle 62 side by side.By being embedded seal ring 62 between valve rod 61 and valve body 2, it is inner that the coal gas that effectively prevent in valve body 2 leaks out to drive unit 6, thus effectively prevent motor and occur corrosion phenomenon, extends working life.
The face-piece 12 that housing comprises main casing 11, is fixedly connected with main casing 11, on the inwall of main casing 11, correspondence is provided with left positioning plate 111 and right positioning plate 112 respectively, valve body 2 and drive unit 6 are to being located between left positioning plate 111 and right positioning plate 112, by arranging left positioning plate 111 and right positioning plate 112, ensure that the stability of valve body 2 and drive unit 6 position, and effectively save and required component are installed, reduce installation cost.
The inner top of main casing 11 is also provided with a pair baffle plate 113, two baffle plates 113 are symmetricly set in the both sides of air input joint 3, the outer wall of air input joint 3 is provided with the limiting board 32 coordinated with baffle plate 113 spline, specifically, limiting board 32 is set to cube structure, after the utility model has assembled, at limiting board 32 with under the mating reaction of baffle plate 113, effectively prevent air input joint 3 and occur rotation phenomenon, thus further increase stability of the present utility model.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (5)
1. an external high pressure resistant ball valve, comprise housing, valve body, air input joint, air outlet adapter, valve ball, drive unit and circuit board, described valve body, described drive unit and described circuit board are all arranged in described housing, described drive unit and described circuit board are electrically connected, the output terminal of described drive unit is provided with valve rod, the free end of described valve rod passes described valve body and is in transmission connection with described valve ball, it is characterized in that: described housing adopts aluminium section bar to make; Described air input joint and described air outlet adapter are threadedly connected to the two ends of described valve body respectively, valve seat is provided with in described valve body, described valve ball is installed between described valve seat and described air input joint, spring and pressure cap is disposed with between described air input joint and described valve ball, the vent hole that goes out of the air inlet through hole of described air input joint, the shaft through-hole of described pressure cap and described air outlet adapter is arranged in coaxial, described pressure cap under the effect of described spring all the time with described valve ball close contact, be provided with packing ring between described valve ball and described valve seat; Seal ring is embedded with between described valve rod and described valve body.
2. external high pressure resistant ball valve according to claim 1, it is characterized in that: the face-piece that described housing comprises main casing, is fixedly connected with described main casing, on the inwall of described main casing, correspondence is provided with left positioning plate and right positioning plate respectively, and described valve body and described drive unit are to being located between described left positioning plate and described right positioning plate.
3. external high pressure resistant ball valve according to claim 2, it is characterized in that: the inner top of described main casing is also provided with a pair baffle plate, two described baffle plates are symmetricly set in the both sides of described air input joint, and the outer wall of described air input joint is provided with the limiting board coordinated with described baffle plate spline.
4. external high pressure resistant ball valve according to claim 1, is characterized in that: be provided with sealing gasket between described air outlet adapter and described valve body.
5. external high pressure resistant ball valve according to claim 1, is characterized in that: be embedded with seal ring described in twice side by side between described valve rod and described valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362942.4U CN204717036U (en) | 2015-05-29 | 2015-05-29 | A kind of external high pressure resistant ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520362942.4U CN204717036U (en) | 2015-05-29 | 2015-05-29 | A kind of external high pressure resistant ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204717036U true CN204717036U (en) | 2015-10-21 |
Family
ID=54316035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520362942.4U Expired - Fee Related CN204717036U (en) | 2015-05-29 | 2015-05-29 | A kind of external high pressure resistant ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204717036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585284A (en) * | 2022-11-04 | 2023-01-10 | 浙江天盾阀门科技有限公司 | Gas leakage self-checking intelligent valve |
-
2015
- 2015-05-29 CN CN201520362942.4U patent/CN204717036U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115585284A (en) * | 2022-11-04 | 2023-01-10 | 浙江天盾阀门科技有限公司 | Gas leakage self-checking intelligent valve |
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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: 20151021 Termination date: 20190529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |