CN203083662U - Liquid level measuring device - Google Patents
Liquid level measuring device Download PDFInfo
- Publication number
- CN203083662U CN203083662U CN 201220745680 CN201220745680U CN203083662U CN 203083662 U CN203083662 U CN 203083662U CN 201220745680 CN201220745680 CN 201220745680 CN 201220745680 U CN201220745680 U CN 201220745680U CN 203083662 U CN203083662 U CN 203083662U
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- China
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- liquid level
- pulley
- pulley assembly
- housing
- float
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Abstract
The utility model belongs to the technical field of machinery, and particularly relates to a liquid level measuring device. The liquid level measuring device resolves the problems that an existing liquid level instrument is high in cost, poor in measuring accuracy and the like. The liquid level measuring device comprises a scale band and a floater arranged below the scale band. The liquid level measuring device is characterized by further comprising a fixing shell, wherein a first pulley assembly and a second pulley assembly are respectively arranged inside the fixing shell, two ends of the scale band are respectively wound on the first pulley assembly and the second pulley assembly, and the first pulley assembly or the second pulley assembly is connected with a transmission structure which can drive the first pulley assembly and the second pulley assembly to rotate circularly when the floater moves downwards. Compared with the prior art, the liquid level measuring device has the advantages of being simple and reasonable in structure, low in cost, simple to operate, high in measuring accuracy, high in sensitivity, high in resolution ratio and long in service life.
Description
Technical field
The utility model belongs to field of mechanical technique, especially relates to a kind of liquid level emasuring device.
Background technology
The liquid level instrument refers to be used for the instrument of tracer liquid surface elevation, and it is widely used in groundwater monitoring, fields such as refuelling station's storage tank.Common liquid level instrument has two kinds of mechanical type, electronic types.Electronic type liquid level instrument is because it costs an arm and a leg problem such as complicated operation often be difficult to be popularized, and mechanical type liquid level instrument exists: resolution is low, and measuring accuracy is poor, uses inconvenience, and serviceable life is short.
In order to solve the problem that prior art exists, people have carried out long-term exploration, have proposed solution miscellaneous.For example; Chinese patent literature discloses a kind of oil tank level instrument [application number: 200420005887.5]; it is by tape measure; single-end sealed pipe; the magnetic force floating ring; last magnetic is raised the nose above water to breathe; connecting line; following magnetic is raised the nose above water to breathe; camera; protecting sheathing; data line is formed; the inside of protecting sheathing is provided with camera and tape measure; the head of camera is aimed at the scale mark of tape measure; data line is connected with camera; the protecting sheathing bottom links to each other with the packing less end of single-end sealed pipe; the other end of tape measure connects magnetic successively raises the nose above water to breathe; connecting line and following magnetic are raised the nose above water to breathe; and stretch into the inside of single-end sealed pipe, be provided with the magnetic force floating ring in the outside of single-end sealed pipe.
Such scheme is to a certain degree being alleviated existing liquid level instrument cost height, the problem of complicated operation, but this scheme still exists: measuring accuracy is poor, and resolution is low, the problem that sensitivity is low.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provides a kind of simple in structure, the liquid level emasuring device that measuring accuracy is high.
For achieving the above object, the utility model has adopted following technical proposal: this liquid level emasuring device, comprise size band and the float that is arranged on size band below, it is characterized in that, this device also comprises set casing, be respectively arranged with first pulley assembly and second pulley assembly in the described set casing, described size band two ends are wound in respectively on first pulley assembly and second pulley assembly, be connected with on described first pulley assembly or second pulley assembly and can drive the drive mechanism that described first pulley assembly and second pulley assembly rotate in a circumferential direction when float moves downward.
When float moved downward, first pulley blocks or second pulley blocks rotated under the drive of drive mechanism, beginning tape measure sign indicating number band, drive second pulley blocks or first pulley blocks simultaneously and rotate, begin to put the size band, during the float stop motion, first pulley blocks or second pulley blocks stop operating, and finish measurement.
In above-mentioned liquid level emasuring device, described first pulley assembly comprises first pulley spindle that is arranged in the set casing and can rotates in a circumferential direction, and is set with first pulley on first pulley spindle; Described second pulley assembly comprises second pulley spindle that is arranged in the set casing and can rotates in a circumferential direction, and is set with second pulley on second pulley spindle.Size band two ends are wrapped in respectively on first pulley and second pulley.
In above-mentioned liquid level emasuring device, described drive mechanism comprises to be located in the set casing and the wire wheel axis that can rotate in a circumferential direction, be set with pull element and linkage unit on the described wire wheel axis respectively, described pull element is connected with float, and the described linkage unit and second pulley blocks link.Float moves downward, and wire wheel axis begins to rotate under the effect of pull element, and linkage unit drives second pulley blocks and rotates.
In above-mentioned liquid level emasuring device, described pull element comprises the line wheel that is fixed on the wire wheel axis, and described line wheel links to each other with float by backguy, and described backguy one end is fixedly installed on the float, and the other end is wound in described line and takes turns.Float moves downward and drives the rotation of line wheel, and the line wheel discharges backguy.
In above-mentioned liquid level emasuring device, described linkage unit comprises first gear that is fixedly installed on the wire wheel axis, and described first gear is meshed with second gear on being fixedly installed on second pulley spindle.
In above-mentioned liquid level emasuring device, this device also comprises housing, and described housing is provided with and the corresponding viewing area of described size band.Be used for observing intuitively the liquid level on the current size band.
In above-mentioned liquid level emasuring device, described housing comprises first housing and second housing that can fasten mutually, described first housing is provided with some first mounting holes, and described second housing is provided with some and first mounting hole second mounting hole one to one.
In above-mentioned liquid level emasuring device, the described second housing lower end is connected with the installation sleeve with screw thread.By installation sleeve this device is installed on the oil tank mouth.
Compared with prior art, the advantage of this liquid level emasuring device is: simple and reasonable, cost is low, and is simple to operate, and the measuring accuracy height is highly sensitive, resolution height, long service life.
Description of drawings
The exploded perspective view that Fig. 1 provides for the utility model.
The structural representation that Fig. 2 provides for the utility model.
Among the figure, size band 1, float 2, set casing 3, first pulley assembly 4, first pulley spindle 41, first pulley 42, second pulley assembly 5, second pulley spindle 51, second pulley 52, drive mechanism 6, wire wheel axis 61, pull element 62, line wheel 621, backguy 622, linkage unit 63, first gear 631, second gear 632, housing 7, first housing 71, first mounting hole 711, second housing 72, second mounting hole 721, viewing area 8, installation sleeve 9, screw thread 91.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
Shown in Fig. 1-2, this liquid level emasuring device, comprise size band 1 and the float 2 that is arranged on size band 1 below, also comprise set casing 3, be respectively arranged with first pulley assembly 4 and second pulley assembly 5 in the set casing 3, size band 1 two ends are wound in respectively on first pulley assembly 4 and second pulley assembly 5, be connected with on first pulley assembly 4 or second pulley assembly 5 and can drive the drive mechanism 6 that first pulley assembly 4 and second pulley assembly 5 rotate in a circumferential direction when float 2 moves downward.First pulley assembly 4 comprises and is arranged in the set casing 3 and first pulley spindle 41 that can rotate in a circumferential direction, and is set with first pulley 42 on first pulley spindle 41; Second pulley assembly 5 comprises and is arranged in the set casing 3 and second pulley spindle 51 that can rotate in a circumferential direction, and is set with second pulley 52 on second pulley spindle 51.
This device also comprises housing 7, and housing 7 is provided with and described size band 1 corresponding viewing area 8.Housing 7 comprises that first housing 71 that can fasten mutually and second housing, 72, the first housings 71 are provided with some first mounting hole, 711, the second housings 72 and are provided with some and first mounting hole 711 second mounting hole 721 one to one.Second housing, 72 lower ends are connected with the installation sleeve 9 with screw thread 91.
The principle of present embodiment is: float 2 sinks to driving backguy 622, line wheel 621 is rotated, line wheel 621 rotates and drives 631 rotations of first gear, because first gear 631 and 632 engagements of second gear, second gear 632 and second pulley 52 are connected, because of second pulley 52 is connected by size band 1 with first pulley 42, so second pulley 52 rotates, spooling size band 1, the data by on the 8 observation size bands 1 of the viewing area on the housing 7 obtain the real time water level situation.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as size band 1, float 2, set casing 3, first pulley assembly 4, first pulley spindle 41, first pulley 42, second pulley assembly 5, second pulley spindle 51, second pulley 52, drive mechanism 6, wire wheel axis 61, pull element 62, line wheel 621, backguy 622, linkage unit 63, first gear 631, second gear 632, housing 7, first housing 71, first mounting hole 711, second housing 72, second mounting hole 721, viewing area 8, installation sleeve 9, screw thread 91 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (8)
1. liquid level emasuring device, comprise size band (1) and the float (2) that is arranged on size band (1) below, it is characterized in that, this device also comprises set casing (3), be respectively arranged with first pulley assembly (4) and second pulley assembly (5) in the described set casing (3), described size band (1) two ends are wound in respectively on first pulley assembly (4) and second pulley assembly (5), are connected with on described first pulley assembly (4) or second pulley assembly (5) when float (2) and can drive the drive mechanism (6) that described first pulley assembly (4) and second pulley assembly (5) rotate in a circumferential direction when moving downward.
2. liquid level emasuring device according to claim 1, it is characterized in that, described first pulley assembly (4) comprises first pulley spindle (41) that is arranged in the set casing (3) and can rotates in a circumferential direction, and is set with first pulley (42) on first pulley spindle (41); Described second pulley assembly (5) comprises second pulley spindle (51) that is arranged in the set casing (3) and can rotates in a circumferential direction, and is set with second pulley (52) on second pulley spindle (51).
3. liquid level emasuring device according to claim 2, it is characterized in that, described drive mechanism (6) comprises to be located in the set casing (3) and the wire wheel axis (61) that can rotate in a circumferential direction, be set with pull element (62) and linkage unit (63) on the described wire wheel axis (61) respectively, described pull element (62) is connected with float (2), and described linkage unit (63) links with second pulley blocks (5).
4. liquid level emasuring device according to claim 3, it is characterized in that, described pull element (62) comprises the line wheel (621) that is fixed on the wire wheel axis (61), described line wheel (621) links to each other with float (2) by backguy (622), and described backguy (622) one ends are fixedly installed on the float (2), and the other end is wound in described line wheel (621).
5. liquid level emasuring device according to claim 3, it is characterized in that, described linkage unit (63) comprises first gear (631) that is fixedly installed on the wire wheel axis (61), and described first gear (631) is meshed with second gear (632) on being fixedly installed on second pulley spindle (51).
6. according to claim 1 or 2 or 3 or 4 or 5 described liquid level emasuring devices, it is characterized in that this device also comprises housing (7), described housing (7) is provided with and the corresponding viewing area of described size band (1) (8).
7. liquid level emasuring device according to claim 6, it is characterized in that, described housing (7) comprises first housing (71) and second housing (72) that can fasten mutually, described first housing (71) is provided with some first mounting holes (711), and described second housing (72) is provided with some and first mounting hole (711) second mounting hole (721) one to one.
8. liquid level emasuring device according to claim 7 is characterized in that, described second housing (72) lower end is connected with the have screw thread installation sleeve (9) of (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220745680 CN203083662U (en) | 2012-12-29 | 2012-12-29 | Liquid level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220745680 CN203083662U (en) | 2012-12-29 | 2012-12-29 | Liquid level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083662U true CN203083662U (en) | 2013-07-24 |
Family
ID=48829488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220745680 Expired - Fee Related CN203083662U (en) | 2012-12-29 | 2012-12-29 | Liquid level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203083662U (en) |
-
2012
- 2012-12-29 CN CN 201220745680 patent/CN203083662U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20141229 |
|
| EXPY | Termination of patent right or utility model |