CN202370510U - Mechanical switch for intelligent water detector - Google Patents
Mechanical switch for intelligent water detector Download PDFInfo
- Publication number
- CN202370510U CN202370510U CN2011205291607U CN201120529160U CN202370510U CN 202370510 U CN202370510 U CN 202370510U CN 2011205291607 U CN2011205291607 U CN 2011205291607U CN 201120529160 U CN201120529160 U CN 201120529160U CN 202370510 U CN202370510 U CN 202370510U
- Authority
- CN
- China
- Prior art keywords
- piston
- mechanical switch
- intelligent water
- water detector
- utility
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a mechanical switch for an intelligent water detector. The mechanical switch comprises a body (1) provided with a straight slot, and is characterized in that: a piston (2) is arranged in the straight slot of the body (1); an O-shaped sealing ring (3) is arranged between the outer side of the bottom of the piston and the slot wall of the body; and the top of the piston (2) is in threaded connection with a transmission shaft (4) of the mechanical switch of the intelligent water detector. The mechanical switch has the advantages of preventing piston movement from being influenced by external pressure, effectively reducing the load of a motor and effectively improving the working reliability of the instrument, and also has the advantages of simple structure, low manufacturing cost, long service life and the like.
Description
Technical field
The utility model relates to a kind of intelligent water detector mechanical switch, belongs to the mechanical switch technical field of the intelligent water detector equipment of using the down-hole, oil field.
Background technology
The oil field generally gets into high water-cut stage after development late stage.General oil well adopts multilayer generally to close excavating technology more; Therefore oilfield technology developing department can't accurately obtain the detail parameters (like strata pressure, production fluid amount, moisture content, temperature etc.) on a certain stratum, can not take effective technological measure to the situation on each stratum.The intelligence water detector is to cooperate through process pipe string and tester; Main product layer and high aquifer are found in the variation that formation testing pressure and production stream are pressed, and the variation of combined ground detection moisture content; Thereby technologies such as shutoff are taked in high aquifer, improved oil recovering efficient.Mechanical switch in the intelligence water detector is wherein important executing agency, and the operating principle of mechanical switch is a reciprocating-piston, promptly comes the opening and closing of gauge tap through the reciprocating motion of piston.At present; The piston of the mechanical switch of intelligent water detector of the prior art often is operated under the hyperbaric environment; Therefore; Extraneous pressure (ambient pressure reaches more than the 30Mpa usually) has produced very big resistance to the piston of mechanical switch, and it just can be piston action to the resistance of piston that the motor of the mechanical switch of intelligent water detector must overcome ambient pressure, so the load of motor is very big.How to reduce the suffered resistance of piston, and can move neatly, be insoluble problem in the prior art always.
Summary of the invention
The purpose of the utility model is: a kind of influence that can make piston motion not receive ambient pressure is provided, can effectively alleviate motor load, and can guarantee the intelligent water detector mechanical switch of instrument reliable operation, to overcome the deficiency of prior art.
The utility model is to constitute like this: a kind of intelligent water detector mechanical switch of the utility model; Comprise the body that has groove; In the groove of body, be provided with piston; Between the cell wall of the piston bottom end outside and body, be provided with O-ring seals, at the be threaded power transmission shaft of mechanical switch of intelligent water detector of piston tip.
Be provided with drive joint in the above-mentioned piston tip outside, between drive joint and piston, be provided with movable sealing combination cover; One end of piston cylinder is connected the drive joint outside, and the other end of piston cylinder is connected with body, on piston cylinder, is provided with chute, and the alignment pin that is connected on the piston is housed in this chute.
Between the drive joint outside and piston cylinder, be provided with seal.
Owing to adopted technique scheme; The utility model installs O-ring seals additional between the cell wall of the piston base outside and body; Make the groove bottom of piston bottom end and body constitute an airtight air chamber; Thereby cut off piston bottom end and extraneous being communicated with of intelligent water detector body; Make the extraneous pressure of body can not act on the bottom of piston, so just can reduce intelligent water detector ambient pressure under the high-pressure work environment greatly and make the motion of piston not receive the influence of ambient pressure the axial force of its mechanical switch piston.The utility model is when work, and when the driven by motor power transmission shaft of intelligent water detector rotated, piston can not rotate under the effect of alignment pin; Can only under the screw drive of power transmission shaft, do reciprocating linear motion, when piston moves downward, because the groove of piston bottom end and body bottom constitutes an airtight cavity; Gas in this cavity can be compressed, when Piston Compression gas, though can produce certain resistance; But this resistance is compared almost with the pressure in the external world and (for example can be ignored; When the volume of air in the closed cavity be compressed to original volume 1/2 the time, its pressure is merely 0.2Mpa, is significantly less than the pressure of extraneous 30 Mpa).So the utility model can alleviate the load of intelligent water detector motor effectively, improves the reliability of instrument work significantly.Therefore; The utility model compared with prior art; The utility model not only have can make piston motion do not receive ambient pressure influence, can effectively alleviate motor load, and can effectively improve the advantage of instrument functional reliability, but also have simple in structure, advantages such as cost of manufacture is low, long service life.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Being labeled as of accompanying drawing: 1-body, 2-piston, 3-O shape sealing ring, 4-power transmission shaft, 5-alignment pin, 6-drive joint, 7-movable sealing combination cover, 8-piston cylinder, 9-seal, 10-closed cavity.
The specific embodiment:
The embodiment of the utility model: the utility model is constructed according to following a kind of method that reduces intelligent water detector switch plunger pressure; This method is between the cell wall of the body of the piston bottom end outside of the mechanical switch of existing intelligent water detector and intelligent water detector, to install O-ring seals additional; Make airtight cavity of the common formation in groove bottom of piston bottom end and body; Thereby cut off piston bottom end and extraneous being communicated with of intelligent water detector body; Make the extraneous pressure of body can not act on the bottom of piston; So just can reduce intelligent water detector ambient pressure under the high-pressure work environment greatly makes the motion of piston not receive the influence of ambient pressure, thereby alleviates the load of intelligent water detector motor the axial force of its mechanical switch piston.
The structural representation of a kind of intelligent water detector mechanical switch of the utility model that makes up according to said method is as shown in Figure 1; It comprises the body that has groove 1 of the mechanical switch that has commercially available intelligent water detector now; Piston 2 is installed in the groove of body 1; Between the cell wall of (bottom is the end of piston 2 near the groove bottom of the body 1) outside, piston 2 bottoms and body 1, O-ring seals 3 is installed; (top is the end of piston 2 away from the groove bottom of the body 1) power transmission shaft 4 that is threaded is connected power transmission shaft 4 with the controlling organization of existing intelligent water detector on piston 2 tops; At the bottom of the groove of piston 2 bottoms and body 1, can constitute a closed cavity 10; In the outside, piston 2 tops a drive joint 6 is installed then, a cover movable sealing combination cover 7 is installed between drive joint 6 and piston 2; One end of piston cylinder 8 is connected drive joint 6 outsides; And the other end of piston cylinder 8 is connected with body 1; On piston cylinder 8, produce chute, in this chute, load onto the alignment pin 5 that is connected on the piston 2, alignment pin 5 can be slided in chute; In order to play locking better protective effect, a cover seal 9 is installed between drive joint 6 outsides and piston cylinder 8.
The structure of above-mentioned drive joint 6, sealing shroud 7, piston cylinder 8, seal 9 can be pressed traditional approach according to the actual requirements and made and get final product.
The embodiment of the utility model is not limited to the foregoing description, and the various variations of under the prerequisite that does not break away from the utility model aim, making all belong to the protection domain of the utility model.
Claims (3)
1. intelligent water detector mechanical switch; Comprise the body (1) that has groove; It is characterized in that: in the groove of body (1), be provided with piston (2); Between the cell wall of the outside, piston (2) bottom and body (1), be provided with O-ring seals (3), the power transmission shaft (4) of the mechanical switch of the intelligent water detector that is threaded on piston (2) top.
2. intelligent water detector mechanical switch according to claim 1 is characterized in that: be provided with drive joint (6) in the outside, piston (2) top, between drive joint (6) and piston (2), be provided with movable sealing combination cover (7); One end of piston cylinder (8) is connected drive joint (6) outside, and the other end of piston cylinder (8) is connected with body (1), on piston cylinder (8), is provided with chute, and the alignment pin (5) that is connected on the piston (2) is housed in this chute.
3. intelligent water detector mechanical switch according to claim 2 is characterized in that:
Between drive joint (6) outside and piston cylinder (8), be provided with seal (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205291607U CN202370510U (en) | 2011-12-16 | 2011-12-16 | Mechanical switch for intelligent water detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205291607U CN202370510U (en) | 2011-12-16 | 2011-12-16 | Mechanical switch for intelligent water detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202370510U true CN202370510U (en) | 2012-08-08 |
Family
ID=46594217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205291607U Withdrawn - After Issue CN202370510U (en) | 2011-12-16 | 2011-12-16 | Mechanical switch for intelligent water detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202370510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562050A (en) * | 2011-12-16 | 2012-07-11 | 贵州航天凯山石油仪器有限公司 | Method for reducing pressure of switch piston of intelligent water exploration instrument and mechanical switch of intelligent water exploration instrument |
-
2011
- 2011-12-16 CN CN2011205291607U patent/CN202370510U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562050A (en) * | 2011-12-16 | 2012-07-11 | 贵州航天凯山石油仪器有限公司 | Method for reducing pressure of switch piston of intelligent water exploration instrument and mechanical switch of intelligent water exploration instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120808 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |