CN202017474U - Constant current control device - Google Patents
Constant current control device Download PDFInfo
- Publication number
- CN202017474U CN202017474U CN2011201272626U CN201120127262U CN202017474U CN 202017474 U CN202017474 U CN 202017474U CN 2011201272626 U CN2011201272626 U CN 2011201272626U CN 201120127262 U CN201120127262 U CN 201120127262U CN 202017474 U CN202017474 U CN 202017474U
- Authority
- CN
- China
- Prior art keywords
- water inlet
- current control
- control device
- constant current
- shaft sleeve
- 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
A constant current control device comprises a water inlet shaft sleeve arranged at the middle part in the valve body, wherein a water inlet shaft is arranged in the water inlet shaft sleeve. The constant current control device is characterized in that glands are mounted at the two ends of the valve body, and bearings are mounted in the glands and connected with the two ends of the water inlet sleeve in a sleeving way. Both the water inlet shaft and the water inlet sleeve are made of stainless steel. The constant current control device has the benefit that the adjusting valve can be normally operated under the circumstance that the pressure is high or the inlet/outlet differential pressure is bigger, thereby realizing constant current control.
Description
Technical field
The utility model relates to a kind of constant-current control device.
Background technology
At present domestic in to oilfield sewage, high pressure water injection metering, the overwhelming majority installs a kind of manually-operated gate again based on turbine, vortex-shedding meter back, this metering method needs the frequent control valve of staff under water pressure changes, valve is difficult to regulate when pressure reduction is big, this phenomenon has caused the metering inaccuracy, and personnel work frequently, intensity is big.
Summary of the invention
At the deficiency that above-mentioned technical problem exists, the purpose of this utility model provides a kind of constant-current control device.
The technical solution of the utility model is as follows:
A kind of constant-current control device comprises, the middle part is provided with the water inlet outer shaft sleeve in valve body, the inside of its water inlet outer shaft sleeve is provided with the water inlet axle, it is characterized in that, described two ends of valve body is installed gland, its gland inside is equipped with bearing, and described bearing is connected with water inlet axle two ends cover.
Described water inlet axle all adopts stainless steel to be made with the water inlet outer shaft sleeve.
The beneficial effects of the utility model are, control valve can carry out normal running when high pressure conditions or inlet outlet pressure differential are big, realize constant current control.
Description of drawings
Fig. 1 is a sectional structure schematic diagram of the present utility model;
Among the figure: 1 water inlet axle, 2 water inlet outer shaft sleeves, 3 bearings, 4 glands, 5 valve bodies.
The specific embodiment
As shown in Figure 1, the middle part is provided with water inlet outer shaft sleeve 2 in valve body 5, and the inside of its water inlet outer shaft sleeve 2 is provided with water inlet axle 1, and described water inlet axle 1 can freely turn round in water inlet outer shaft sleeve 2.Gland 4 is installed at the two ends of valve body 5 is used for sealing, described gland 4 inside are equipped with bearing 3, and its bearing 3 overlaps with water inlet axle 1 two ends and is connected, and described bearing 3 can make valve regulated freely when high pressure or inlet outlet pressure differential are big.
Described water inlet axle 1 all adopts stainless steel to be made with water inlet outer shaft sleeve 2.
Claims (2)
1. constant-current control device, comprise, the middle part is provided with water inlet outer shaft sleeve (2) in valve body (5), the inside of its water inlet outer shaft sleeve (2) is provided with water inlet axle (1), it is characterized in that, gland (4) is installed at the two ends of described valve body (5), and its gland (4) inside is equipped with bearing (3), and described bearing (3) is connected with water inlet axle (1) two ends cover.
2. a kind of constant-current control device according to claim 1 is characterized in that, described water inlet axle (1) all adopts stainless steel to be made with water inlet outer shaft sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201272626U CN202017474U (en) | 2011-04-27 | 2011-04-27 | Constant current control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201272626U CN202017474U (en) | 2011-04-27 | 2011-04-27 | Constant current control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202017474U true CN202017474U (en) | 2011-10-26 |
Family
ID=44811145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201272626U Expired - Fee Related CN202017474U (en) | 2011-04-27 | 2011-04-27 | Constant current control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202017474U (en) |
-
2011
- 2011-04-27 CN CN2011201272626U patent/CN202017474U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20120427 |