CN202903414U - Pressure gauge and air gauge applying same - Google Patents
Pressure gauge and air gauge applying same Download PDFInfo
- Publication number
- CN202903414U CN202903414U CN 201220617333 CN201220617333U CN202903414U CN 202903414 U CN202903414 U CN 202903414U CN 201220617333 CN201220617333 CN 201220617333 CN 201220617333 U CN201220617333 U CN 201220617333U CN 202903414 U CN202903414 U CN 202903414U
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- pointer
- pressure gauge
- bourdon tube
- movement
- postive stop
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Abstract
The utility model provides a pressure gauge and an air gauge applying a same. The pressure gauge comprises bourdon tubes communicated with measuring medium, a transmission mechanism connected with the bourdon tubes, and pointers connected with the transmission mechanism. The bourdon tubes comprise a first bourdon tube and a second bourdon tube. The pointers comprise a first pointer and a second pointer. The other end of the first bourdon tube communicated with first measuring medium and the other end of the second bourdon tube communicated with second measuring medium are respectively connected with the first pointer and the second pointer through the transmission mechanism. The first pointer and the second pointer are respectively connected with a gear shaft and a toothed sleeve of the transmission mechanism. The gear shaft and the toothed sleeve rotate coaxially. The pressure gauge can display pressure values of two measuring mediums on the same pressure gauge, and the pressure gauge takes relatively small space and meanwhile the two pressure values can be seen conveniently.
Description
Technical field
The utility model relates to field of measuring technique, particularly a kind of pressure gauge.The utility model also relates to a kind of above-mentioned manometric air-gauge that comprises.
Background technology
Air-gauge is according to the fluidics principle, utilizes pressurized air to be medium, to length and can be converted into a kind of instrument that other geometric sense of length is measured.The purposes of air-gauge mainly is precision measurement and automatically measures.Air-gauge have multiplying power height, precision high, without hysterisis error, self-cleaning action is arranged, to workpiece without characteristics such as wearing and tearing and long service life.Pressure gauge is one of critical component in the air-gauge.
Pressure gauge is the instrument of measuring hydrodynamic pressure, and pressure gauge can change pressure signal into the mechanically deform amount of flexible member, with the mode output signal of needle deflection.
A kind of typical pressure gauge mainly comprises ventilation nozzle, joint, bourdon tube, gear train and pointer, and above-mentioned gear train generally is comprised of cap liner, movement connecting rod, movement fan tooth and gear shaft.Manometric joint is connected with ventilation nozzle, one end of bourdon tube is fixed on the joint and communicates with ventilation nozzle, the bourdon tube other end is provided with cap liner, cap liner links to each other with an end of movement connecting rod, the other end of movement connecting rod is connected on the movement fan tooth, the band increment of movement fan tooth and gear shaft engagement, pointer is fixed on an end of gear shaft.When work, measuring media communicates with ventilation nozzle, measuring media is the gas with pressure or the liquid of pressure gauge outside, when the pressure of measuring media changes, cause that the radius-of-curvature of bourdon tube changes, thereby the free end of bourdon tube is subjected to displacement, free-ended displacement causes the variation of gear train, gear train driven gear axle rotates, thereby the pointer that is fixed on the transmission shaft is rotated, thereby shows corresponding force value at dial plate.
When using traditional pressure gauge, when the pressure of two measuring media was measured, the pressure measuring value of two measuring media need to be presented on two pressure gauges accordingly, and it is larger to take up room; And need to observe two tensimeters when two pressure measuring values are compared, watch measurement result inconvenient.
Therefore, how making pressure gauge when taking less space, more easily watch two force value, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of pressure gauge, and this pressure gauge is more easily watched two force value when taking less space.Another purpose of the present utility model provides a kind of above-mentioned manometric air-gauge that comprises.
To achieve these goals, the utility model provides a kind of pressure gauge, comprise the bourdon tube that is communicated with measuring media, the gear train that is connected with described bourdon tube and the pointer that is connected with described gear train, described bourdon tube comprises the first bourdon tube that is communicated with the first measuring media and the second bourdon tube that is communicated with the second measuring media, described pointer comprises the first pointer and the second pointer, described the first bourdon tube be connected the second bourdon tube the other end all by described gear train respectively with described the first pointer be connected the second pointer and be connected, described the first pointer be connected the second pointer respectively with the gear shaft of described gear train be connected the tooth sleeve to be connected, described gear shaft and described band tooth sleeve coaxial rotation.
Preferably, also comprise being installed on the described manometric movement, and be positioned at a side of the first movement fan tooth and the second movement fan tooth of described gear train, be used for limiting the first postive stop baffle of described the first movement fan tooth and described the second movement fan tooth stroke.
Preferably, described the first postive stop baffle and described movement are connected by screw.
Preferably, it is characterized in that, also comprise the second postive stop baffle and the 3rd postive stop baffle that are installed in respectively described manometric movement two ends, described the second postive stop baffle and described the 3rd postive stop baffle lay respectively at a side of the first movement fan tooth and the second movement fan tooth of described gear train.
Preferably, described the second postive stop baffle and/or described the 3rd postive stop baffle and described movement are connected by screw.
Preferably, described manometric ventilation nozzle is the tower-like valve of plug-in type.
Preferably, described the first pointer length is less than the length of described the second pointer.
The utility model also provides a kind of air-gauge, comprises source of the gas, pressure gauge and the first sensing device that all is connected with described source of the gas and the second sensing device, and described pressure is counted above-mentioned each described pressure gauge.
The pressure gauge that the utility model provides, comprise the first bourdon tube that is communicated with the first measuring media, the second bourdon tube that is communicated with the second measuring media, gear train, the first pointer and the second pointer, the first bourdon tube be connected bourdon tube the other end all by gear train respectively with the first pointer be connected pointer and be connected, the first pointer be connected pointer respectively with the gear shaft of gear train be connected the tooth sleeve to be connected, gear shaft and band tooth sleeve coaxial rotation.When work, when the pressure of two measuring media changes, the radius-of-curvature that causes respectively the first bourdon tube and the second bourdon tube changes, the free end of the first bourdon tube and the second bourdon tube is subjected to displacement, thereby drive transmission device motion, gear shaft and band tooth sleeve on the gear train are rotated, be fixed on the first pointer of gear shaft one end and the second pointer of being fixed on tooth sleeve one end rotates, thereby demonstrate the first measuring media and the corresponding force value of the second measuring media at dial plate.
By foregoing description as can be known, with respect to the above-mentioned background technology, the pressure gauge that the utility model provides can be in the force value of two measuring media of same pressure gauge demonstration, and it is less to take up room; Can on same pressure gauge, two force value be compared, watch two force value comparatively convenient.So the pressure gauge that the utility model provides can when taking less space, more easily be watched two force value.
Description of drawings
A kind of manometric structural representation that Fig. 1 provides for the utility model embodiment;
Fig. 2 is manometric side view shown in Figure 1;
Fig. 3 is the structural representation of manometric movement shown in Figure 1;
Fig. 4 is the vertical view of movement shown in Figure 3;
The structural representation of a kind of air-gauge that Fig. 5 provides for the utility model embodiment.
Embodiment
Core of the present utility model provides a kind of pressure gauge, and this pressure gauge can when taking less space, more easily be watched two force value.Another core of the present utility model provides a kind of above-mentioned manometric air-gauge that comprises.
In order to make those skilled in the art understand better the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1-Fig. 4, in a kind of embodiment, a kind of pressure gauge that the utility model provides, comprise ventilation nozzle 11, joint 10, the first bourdon tube 101, the second bourdon tube 102, gear train, dial plate 9, the first pointer 801 and the second pointer 802, above-mentioned gear train can be comprised of the first cap liner, the second cap liner 202, the first movement connecting rod 301, the second movement connecting rod 302, the first movement fan tooth 401, the second movement fan tooth 402, gear shaft 701 and band tooth sleeve 702.The first measuring media and the second measuring media are communicated with an end of the first bourdon tube 101 and the second bourdon tube 102 respectively by ventilation nozzle 11, ventilation nozzle 11 is fixed on the joint 10, the first bourdon tube 101 be connected bourdon tube 102 the other end respectively with the first cap liner be connected the one side of cap liner 202 and be connected, the first cap liner be connected cap liner 202 another side respectively with the first movement connecting rod 301 be connected an end of movement connecting rod 302 and be connected, the first movement connecting rod 301 be connected movement connecting rod 302 the other end respectively with the first movement fan tooth 401 be connected an end of movement fan tooth 402 and be connected, the other end of the first movement fan tooth 401 and the second movement fan tooth 402 is respectively at gear shaft 701 and 702 engagements of band tooth sleeve, the first pointer 801 and the second pointer 802 are separately fixed at gear shaft 701 and with an end, gear shaft 701 and band tooth sleeve 702 coaxial rotation of tooth sleeve 702.Above-mentioned the first measuring media and the second measuring media are the fluid that is communicated with the first bourdon tube 101 and the second bourdon tube 102 respectively.
The manometric specific works process that provides in the present embodiment is as follows:
When work, two measuring media pressure change, the radius-of-curvature that causes respectively the first bourdon tube 101 and the second bourdon tube 102 changes, the free end of the first bourdon tube 101 and the second bourdon tube 102 is subjected to displacement, because the first cap liner and the second cap liner 202 are separately fixed on the free end of the first bourdon tube 101 and the second bourdon tube 102, so the first cap liner and the second cap liner 202 drive respectively the first movement connecting rod 301 and 302 motions of the second movement connecting rod, the first movement connecting rod 301 and the second movement connecting rod 302 drive respectively the first movement fan tooth 401 and the second movement fan tooth 402 rotates, the first movement fan tooth 401 and the second movement fan tooth 402 make respectively gear shaft 701 and band tooth sleeve 702 rotate, the second pointer 802 that is fixed on the first pointer 801 of gear shaft 701 1 ends and is fixed on tooth sleeve 702 1 ends rotates, thereby demonstrates the first measuring media and the corresponding force value of the second measuring media at dial plate 9.
In the above-described embodiments, the pressure gauge that the utility model provides can be in the force value of two measuring media of same pressure gauge demonstration, and it is less to take up room; Can on same pressure gauge, two force value be compared, watch two force value comparatively convenient.
Further, at above-mentioned manometric movement the first postive stop baffle is installed, the first postive stop baffle is positioned at a side of the first movement fan tooth 401 and the second movement fan tooth 402 of gear train, is used for limiting the stroke of the first movement fan tooth 401 and the second movement fan tooth 402.The first postive stop baffle can limit the stroke of the first movement fan tooth 401 and the second movement fan tooth 402, and pointer breaks instrument when preventing that air pressure is excessive.The first postive stop baffle can be connected with movement by welding.
Further, the first postive stop baffle and movement are connected by screw.Screw connects the position of adjusting the first postive stop baffle that can be more convenient, so can be according to the range of the first movement fan tooth 401 and the second movement fan tooth 402, the position of more convenient adjusting the first postive stop baffle.
In order to protect the first bourdon tube 101 and the second bourdon tube 102; manometric movement two ends are equipped with the side that the second postive stop baffle 501 and the 3rd postive stop baffle 502, the second postive stop baffles 501 and the 3rd postive stop baffle 502 lay respectively at the first movement fan tooth 401 and the second movement fan tooth 402 of gear train.The second postive stop baffle 501 and the 3rd postive stop baffle 502 arrange different restriction positions according to the first movement fan tooth 401 with the second movement fan tooth 402 different ranges, and pointer breaks instrument when preventing that stroke is excessive; Can also control accurately simultaneously the spacing between the first bourdon tube 101 and the second bourdon tube 102, prevent from colliding with mutually between the first bourdon tube 101 and the second bourdon tube 102, thereby affect the precision of instrument.
In addition, the second postive stop baffle 501 and/or the 3rd postive stop baffle 502 are connected by screw with manometric movement.Screw connects the position of adjusting postive stop baffle that can be more convenient, thus can be according to demand more convenient adjusting the second postive stop baffle 501 and or the position of the 3rd postive stop baffle 502.
In addition, manometric ventilation nozzle 11 is the tower-like valve of plug-in type.The tower-like valve of plug-in type is convenient to be connected with wireway, and is convenient and fast connection, and the tower assembling structure makes the sealing of wireway interface better.
For the ease of differentiating the first pointer 801 and the second pointer 802, described the first pointer 801 length are convenient to distinguish the force value of two measuring media like this less than the length of described the second pointer 802.Above-mentioned the first pointer 801 also can arrange different colors with the second pointer 802 and distinguish, and is black such as the first pointer 801, and the second pointer 802 is red.
Please refer to Fig. 5, the air-gauge that the utility model provides, comprise that air source A 1, filtrator A2, the first voltage stabilizer A31, the second voltage stabilizer A32, the first amplifier A41, the second amplifier A42, the first multiplying power are adjusted knob A51, the second multiplying power is adjusted button A52, the first zero-bit adjustment knob A61, the second zero-bit adjustment button A62, the first sensing device, the second sensing device and pressure gauge A8, pressure gauge A8 is above-mentioned each described pressure gauge.Above-mentioned the first sensing device and the second sensing device can be respectively the first Pneumatic measuring head A71 and the second Pneumatic measuring head A72, also can be for other gas measurement mechanisms, such as pneumatic linear transducer.
When work, behind the gas process filtrator A2 of air source A 1 output, be divided into two independent loop systems, gas is adjusted to accurate pressure pressurized air with the first voltage stabilizer A31 and the second voltage stabilizer A32 respectively, when then flowing to the first Pneumatic measuring head A71 and the second Pneumatic measuring head A72 by the first multiplying power adjustment knob A51 and the second multiplying power adjustment button A52 respectively, also be respectively the first amplifier A41 and the second amplifier A42 provides air pressure, the first Pneumatic measuring head A71 and the second Pneumatic measuring head A72 are to adjust knob A51 through the first multiplying power respectively behind the air pressure signal and the second multiplying power is adjusted button A52 with the length transition that records, be input at last among the pressure gauge A8, pressure gauge A8 measures the pressure of the first measuring media and the second measuring media, thereby obtains two pressure measuring values.
More than the air-gauge of pressure gauge provided by the utility model and application thereof is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. pressure gauge, comprise the bourdon tube that is communicated with measuring media, the gear train that is connected with described bourdon tube and the pointer that is connected with described gear train, it is characterized in that, described bourdon tube comprises the first bourdon tube (101) that is communicated with the first measuring media and the second bourdon tube (102) that is communicated with the second measuring media, described pointer comprises the first pointer (801) and the second pointer (802), described the first bourdon tube (101) be connected the second bourdon tube (102) the other end all by described gear train respectively with described the first pointer (801) be connected the second pointer (802) and be connected, described the first pointer (801) be connected the second pointer (802) respectively with the gear shaft (701) of described gear train be connected tooth sleeve (702) to be connected, described gear shaft (701) and described band tooth sleeve (702) coaxial rotation.
2. pressure gauge as claimed in claim 1, it is characterized in that, also comprise and being installed on the described manometric movement, and be positioned at the first movement fan tooth (401) of described gear train and a side of the second movement fan tooth (402), be used for limiting the first postive stop baffle of described the first movement fan tooth (401) and described the second movement fan tooth (402) stroke.
3. pressure gauge as claimed in claim 2 is characterized in that, described the first postive stop baffle and described movement are connected by screw.
4. pressure gauge as claimed in claim 1, it is characterized in that, also comprise the second postive stop baffle (501) and the 3rd postive stop baffle (502) that are installed in respectively described manometric movement two ends, described the second postive stop baffle (501) and described the 3rd postive stop baffle (502) lay respectively at the first movement fan tooth (401) of described gear train and a side of the second movement fan tooth (402).
5. pressure gauge as claimed in claim 4 is characterized in that, described the second postive stop baffle (501) and/or described the 3rd postive stop baffle (502) are connected by screw with described movement.
6. pressure gauge as claimed in claim 1 is characterized in that, described manometric ventilation nozzle (11) is the tower-like valve of plug-in type.
7. such as each described pressure gauge of claim 1-6, it is characterized in that described the first pointer (801) length is less than the length of described the second pointer (802).
8. air-gauge, comprise source of the gas (A1), pressure gauge (A8) and the first sensing device that is connected with described source of the gas (A1), it is characterized in that, also comprise the second sensing device that is connected with described source of the gas, described pressure gauge (A8) and described the first sensing device be connected sensing device and all be connected, described pressure gauge (A8) is each described pressure gauge of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617333 CN202903414U (en) | 2012-11-20 | 2012-11-20 | Pressure gauge and air gauge applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220617333 CN202903414U (en) | 2012-11-20 | 2012-11-20 | Pressure gauge and air gauge applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903414U true CN202903414U (en) | 2013-04-24 |
Family
ID=48124073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220617333 Expired - Fee Related CN202903414U (en) | 2012-11-20 | 2012-11-20 | Pressure gauge and air gauge applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903414U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605431A (en) * | 2015-12-31 | 2016-05-25 | 上海华虹宏力半导体制造有限公司 | Gas pipeline leakage and pressure fluctuation detecting device and detection method |
| CN109974927A (en) * | 2019-03-08 | 2019-07-05 | 漳州龙文区恩杰信息科技有限公司 | A kind of ankle Worn type smart machine based on the detection of river bank gas-liquid mixed pressure |
-
2012
- 2012-11-20 CN CN 201220617333 patent/CN202903414U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605431A (en) * | 2015-12-31 | 2016-05-25 | 上海华虹宏力半导体制造有限公司 | Gas pipeline leakage and pressure fluctuation detecting device and detection method |
| CN109974927A (en) * | 2019-03-08 | 2019-07-05 | 漳州龙文区恩杰信息科技有限公司 | A kind of ankle Worn type smart machine based on the detection of river bank gas-liquid mixed pressure |
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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: 20130424 Termination date: 20171120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |