CN201673004U - Linear methane pressure gauge - Google Patents
Linear methane pressure gauge Download PDFInfo
- Publication number
- CN201673004U CN201673004U CN2010201647675U CN201020164767U CN201673004U CN 201673004 U CN201673004 U CN 201673004U CN 2010201647675 U CN2010201647675 U CN 2010201647675U CN 201020164767 U CN201020164767 U CN 201020164767U CN 201673004 U CN201673004 U CN 201673004U
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- China
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- pointer
- interior
- pressure gauge
- lower cover
- orthoscopic
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Abstract
A linear methane pressure gauge belongs to the technical field of measurement, which is a novel, accurate, durable and inexpensive pressure gauge for methane systems. In a pressure gauge shell, a conical spring, an internal indicator, an external indicator, a flexible capsule, an inner lower cover and an outer lower cover are sequentially connected with one another, and are fastened with the shell through mounting screws. The indicators are positioned between the conical spring and the flexible capsule, when the pressure varies, the indicators linearly move to indicate the pressure, so the reading can be clearly and directly obtained; the traditional amplification and drive mechanism is omitted, the measuring accuracy is improved and the manufacturing cost is saved; and the linear methane pressure gauge can be made into a cuboid with small volume, so the installation is more convenient, the space is saved, and the linear methane pressure gauge can show the advantages thereof when being integrated with other products. The utility model can be applied in methane, and can also be made into the pressure gauge for measuring different mediums and pressure range under the condition that the pressure gauge is made by materials adaptable to the measuring the mediums.
Description
Affiliated technical field:
The utility model relates to the measuring technique neighborhood, is used for pressure indication, and can discern under-voltage, the safety of pressure and the pressure indicator of risk range, and an embodiment of the present utility model accommodates the pressure indication that is used for biogas especially.
Background technology:
The pressure gauge profile is generally cylindrical at present, primary structure comprises sensitive part (as bellows, diaphragm, bourdon tube etc.), gear train, shell, watch glasses, several parts of pointer, when pressure acted on sensitive part, the distortion of sensitive part drove indicator by gear train and rotates indicated pressure.The pressure gauge structure relative complex of this structure, part is made precision and packaging technology is had relatively high expectations.
The biogas engineering pipe network of China generally adopts the low pressure air feed, and the rated pressure of household biogas generator is generally 8kpa, and the biogas pressure meter belongs to a kind of low-pressure measuring instrument.The biogas application system requires, safety durable sensitive and accurate to the measurement of its pressure, and product price is cheap simultaneously.
Summary of the invention:
The object of the present invention is to provide a kind of novelty, accurate, durable, cheap pressure gauge;
The technical matters that solves: simplified the drive mechanism of existing biogas pressure meter, when improving measuring accuracy, reduced manufacturing cost; The pressure gauge pointer is taked rectilinear motion, makes reading more clear and intuitive; An embodiment of the present utility model can be made into the small and exquisite rectangular parallelepiped of volume, pattern novel and beautiful
Technical scheme:
1. orthoscopic biogas is made up of shell (1), cone shaped spring (2), interior pointer (3), outer pointer (4), flexible capsule (5), interior lower cover (6), outer lower cover (7), watch glasses (8), scale strip (9) and mounting screw;
2. outer pointer is connected with interior pointer, and does rectilinear motion with interior pointer, and outer pointer is used for indicated pressure by the fluting bending of shell in the place ahead of scale strip;
3. interior pointer all is provided with cylindrical space up and down, the top of pointer in taper spring is located at, the below of pointer in flexible capsule is located at, during measurement, the increase of pressure makes flexible capsule elongation, when the pressure equilibrium of power that is produced and taper spring, order about pointer and rest on the corresponding position of scale strip, show the current pressure value.The upper end of pointer in when the pyramid type spring is compressed, being accommodated in, the lower end of pointer in when flexible capsule is compressed, being accommodated in;
4. the xsect of the lower port of flexible capsule is provided with circular fin, is O type cast formula, and the groove clamping that this O type circle is formed by outer lower cover and interior lower cover when assembling also compresses, and forms to seal;
5. be provided with the boss and the groove of mutual correspondence on the shell and on the interior pointer, pointer is done rectilinear motion in the enclosure in the constraint;
6. the upper end of outer lower cover connects flexible capsule, and the pipe adapter of lower end is connected with exterior line.
7. the watch glasses side that is in outer pointer is designed to transparent window, and opposite side is opaque and identify overvoltage, normal, under-voltage interval with different colours.
Beneficial effect: biogas belongs to corrosive gas, and the utility model entire body adopts the engineering plastics manufacturing, and adopts flexible capsule (5) that rubber makes as sensitive part, makes product attractive in appearance, corrosion-resistant, increases its serviceable life; The design of cone shaped spring (2) and flexible capsule (5) makes product smaller and more exquisite; Because simple in structure do not have a unnecessary gear train, and the sensitivity of product and precision are improved greatly; Pointer adopts the orthoscopic motion, makes reading more clear and intuitive, has increased the attractive in appearance and practicality of product; Simple for structure, sealingly secure is reliable; Product design is rectangular parallelepiped and build is small and exquisite, makes installation more convenient and save the space, more can embody the advantage that its increase is attractive in appearance, reduce cost when integrated with other products.
Description of drawings:
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 front section view.
Fig. 2 cross-sectional profile view.
Among the figure: 1. shell, 2. cone shaped spring, 3. in pointer, 4. outer pointer, 5. flexible capsule, 6. interior lower cover, 7. outer lower cover, 8. watch glasses, 9. scale strip.
Embodiment:
One, in Fig. 1, cone shaped spring (2) is installed in the upper end in the watchcase (1); Pointer (3) in install the lower end of cone shaped spring (2); The lower end of interior pointer (3) is installed flexible capsule (5) again; The lower port of flexible capsule (5) is connected with the upper end of outer lower cover (7), and is formed sealing by interior lower cover (6) clamping compression; The lower end of outer lower cover is a pipe adapter, directly is connected with the survey pipeline; Mounting screw is arranged on four jiaos of outer lower cover, with interior lower cover (6), outer lower cover (7), tighten together with watchcase (1).
The advantage of doing like this: when the pressure of measuring raises, the upper end of pointer in cone shaped spring (2) is compressed and is accommodated in; The lower end of pointer in flexible capsule (5) is compressed and is accommodated in when pressure reduces has effectively dwindled the volume of product;
Save traditional manometric amplification and gear train, reduced measuring error;
Two, in Fig. 2, indicated the design of interior pointer (3), shell (1) convex platform and groove; Outer pointer (4) is connected with interior pointer (3) and bends towards scale strip (9) one sides; The side that watch glasses is in scale strip is designed to transparent, and opposite side is opaque and go out the interval of under-voltage, normal and overvoltage with three kinds of colour codes.
The advantage of doing like this: the design of boss and groove, pointer is done reciprocal vertical movement and has been reduced friction force in the constraint;
The connection of inside and outside pointer can be carried out the trace calibration when product is assembled, guarantee the product precision;
Form is roomy attractive in appearance, and the collimation error during reading is little, and indicator is done rectilinear motion, and is intuitively eye-catching;
Watch glasses one side is designed to opaque, has blocked the fluting of establishing for the appearance needle movement on the shell, with between three kinds of pressure zones of different colours sign, has increased the attractive in appearance of product.
Three, the lower port of flexible capsule (5) is designed to the form of O type circle.When it overlaps the upper end of lower cover (7) outside, by interior lower cover (6) and groove clamping and compression that outer lower cover (7) forms, make the lower port distortion of capsule and fit tightly formation to seal with interior lower cover and outer lower cover, production technology is simplified.
Claims (7)
1. orthoscopic biogas pressure meter, in the pressure gauge shell, pyramid type spring, interior pointer, outer pointer, flexible capsule, interior lower cover, outer lower cover are linked in sequence, and be mounted screw and shell tightens together, it is characterized in that: interior pointer and outer pointer are between taper spring and the flexible capsule, and interior pointer is done rectilinear motion in the enclosure up and down.
2. orthoscopic biogas pressure meter according to claim 1 is characterized in that: outer pointer is connected with interior pointer, and does rectilinear motion with interior pointer, and outer pointer passes through the fluting bending of shell in the place ahead of scale strip indicated pressure.
3. orthoscopic biogas pressure meter according to claim 1, it is characterized in that: interior pointer all be provided with cylindrical space up and down, the top of pointer in taper spring is located at, the below of pointer in flexible capsule is located at, the upper end of pointer in when the pyramid type spring is compressed, being accommodated in, the lower end of pointer in when flexible capsule is compressed, being accommodated in.
4. orthoscopic biogas pressure meter according to claim 1 is characterized in that: flexible capsule lower port is designed to O type cast formula, and the groove clamping that this O type circle is become with interior lower cover shape by outer lower cover during assembling also compresses, and forms to seal.
5. orthoscopic biogas pressure meter according to claim 1 is characterized in that: on the interior pointer with shell on boss and the design of groove, the constraint in pointer do rectilinear motion in the enclosure.
6. orthoscopic biogas pressure meter according to claim 1 is characterized in that: the upper end of outer lower cover connects flexible capsule, and the pipe adapter of lower end is connected with exterior line.
7. orthoscopic biogas pressure meter according to claim 1 is characterized in that: the side that watch glasses is in outer pointer is designed to transparent window, and opposite side is opaque and identify overvoltage, normal, under-voltage interval with different colours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201647675U CN201673004U (en) | 2010-04-21 | 2010-04-21 | Linear methane pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201647675U CN201673004U (en) | 2010-04-21 | 2010-04-21 | Linear methane pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201673004U true CN201673004U (en) | 2010-12-15 |
Family
ID=43330416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201647675U Expired - Fee Related CN201673004U (en) | 2010-04-21 | 2010-04-21 | Linear methane pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201673004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027345A (en) * | 2018-08-13 | 2018-12-18 | 武汉理工大学 | A kind of dust-proof safety valve of self-cleaning |
-
2010
- 2010-04-21 CN CN2010201647675U patent/CN201673004U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027345A (en) * | 2018-08-13 | 2018-12-18 | 武汉理工大学 | A kind of dust-proof safety valve of self-cleaning |
| CN109027345B (en) * | 2018-08-13 | 2020-09-08 | 武汉理工大学 | A self-cleaning dust-proof safety valve |
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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: 20101215 Termination date: 20130421 |