CN201110792Y - Pressure gauge with small diameter - Google Patents
Pressure gauge with small diameter Download PDFInfo
- Publication number
- CN201110792Y CN201110792Y CNU2007203030748U CN200720303074U CN201110792Y CN 201110792 Y CN201110792 Y CN 201110792Y CN U2007203030748 U CNU2007203030748 U CN U2007203030748U CN 200720303074 U CN200720303074 U CN 200720303074U CN 201110792 Y CN201110792 Y CN 201110792Y
- Authority
- CN
- China
- Prior art keywords
- gear drive
- casing
- housing
- connecting rod
- index dial
- 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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- Measuring Fluid Pressure (AREA)
Abstract
Disclosed is a small diameter pressure meter, which comprises a casing, wherein a pressure inlet pipe is arranged on a lateral side of the casing, a gear drive mechanism is disposed in the casing, a dial is arranged above the gear drive mechanism and fixedly connected with the inner wall of the casing, a pointer is arranged above the dial and connected with a final output shaft of the gear drive mechanism, an input end of the gear drive mechanism is connected with one end of a connecting rod, further a coil spring is disposed in the casing, one end of the coil spring is fixed in the casing while the other end is a free end which is connected with the other end of the connecting rod. The pressure meter utilizes the coil spring, compared with a C-shaped spring, the deformation degree of the coil spring is greatly increased, further, compared with the prior small diameter pressure meter, the range capable of being measured is greatly increased and the maximum measured value can be 15000 Psi.
Description
(1) technical field
The utility model relates to a kind of minor diameter tensimeter.
(2) background technology
With reference to Fig. 1, the manometric structure of existing minor diameter is: comprise that the side is provided with the housing of pressure input pipe 1, gear drive 3 is installed in the housing, the top of gear drive 3 is provided with index dial, the inwall of index dial and housing is affixed, there is pointer the top of index dial, pointer is connected with the terminal output shaft of gear drive 3, the input end of gear drive 3 is connected with an end of a connecting rod 6, also be provided with C shape spring 7 in the housing, one end of C shape spring 7 is fixed on (generally being to adopt soldering to be welded on the shell of gear drive) in the housing, and the other end is a free end, and free end is connected with the other end of connecting rod 6.When measuring the pressure of liquid medium or gas medium, measured medium is by 1 input of pressure input pipe, under the effect of measured medium pressure, the free end of C shape spring 7 produces displacement, this displacement is transmitted by connecting rod driven gear transmission mechanism 3 and is amplified, finally the terminal output shaft by gear drive 3 drives the pointer rotation, and tested force value is shown on index dial.
Existing this minor diameter tensimeter adopts C shape spring, but the deformation degree of C shape spring is limited, and therefore the manometric measurable range of existing this minor diameter is less, and in general greatest measurement is 5800Psi.
(3) summary of the invention
In order to overcome the existing less deficiency of minor diameter gauge measurement scope, the utility model provides a kind of measurement range bigger minor diameter tensimeter.
The technical scheme in the invention for solving the technical problem is: a kind of minor diameter tensimeter, comprise that the side is provided with the housing of pressure input pipe, in the described housing gear drive is installed, the top of described gear drive is provided with index dial, the inwall of described index dial and housing is affixed, there is pointer the top of described index dial, described pointer is connected with the terminal output shaft of described gear drive, the input end of described gear drive is connected with an end of a connecting rod, also be provided with volute spring in the described housing, a described helical spring end is fixed in the described housing, and the other end is a free end, and described free end is connected with the other end of described connecting rod.
Further, the shell of described helical spring stiff end and described gear drive welds by silver soldering.
When measuring the pressure of liquid medium or gas medium, measured medium is imported by the pressure input pipe, under the effect of measured medium pressure, the volute spring free end produces displacement, this displacement is transmitted by connecting rod driven gear transmission mechanism and is amplified, finally the terminal output shaft by gear drive drives the pointer rotation, and tested force value is shown on index dial.The utility model adopts volute spring, compares with C shape spring, and helical spring deformation degree increases greatly, and therefore with respect to existing minor diameter tensimeter, measurable range increases greatly, and greatest measurement can be 15000Psi.
(4) description of drawings
Fig. 1 is existing manometric cut-away view.
Fig. 2 is the planimetric map of shell.
Fig. 3 is a cut-away view of the present utility model.
Fig. 4 is helical spring structural representation.
(5) embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
With reference to Fig. 2, Fig. 3, Fig. 4, a kind of minor diameter tensimeter, comprise that the side is provided with the housing 2 of pressure input pipe 1, in the described housing 2 gear drive 3 is installed, the top of described gear drive 3 is provided with index dial 4, described index dial 4 is affixed with the inwall of housing 2, there is pointer 5 top of described index dial 4, described pointer 5 is connected with the terminal output shaft of described gear drive 3, the input end of described gear drive 3 is connected with an end of a connecting rod 6, also be provided with volute spring 8 in the described housing 2, one end of described volute spring 8 and the shell of described gear drive 3 are by silver soldering 9 welding, the other end of volute spring 8 is a free end 10, and described free end 10 is connected with the other end of described connecting rod 6.
When measuring the pressure of liquid medium or gas medium, measured medium is by 1 input of pressure input pipe, under the effect of measured medium pressure, helical spring free end 10 produces displacement, this displacement is transmitted by connecting rod driven gear transmission mechanism 3 and is amplified, finally the terminal output shaft by gear drive 3 drives pointer 5 rotations, and tested force value is shown on index dial 4.The utility model adopts volute spring, compares with C shape spring, and helical spring deformation degree increases greatly, and therefore with respect to existing tensimeter, measurable range increases greatly, and greatest measurement can be 15000Psi.
Claims (2)
1. minor diameter tensimeter, comprise that the side is provided with the housing of pressure input pipe, in the described housing gear drive is installed, the top of described gear drive is provided with index dial, the inwall of described index dial and housing is affixed, there is pointer the top of described index dial, described pointer is connected with the terminal output shaft of described gear drive, the input end of described gear drive is connected with an end of a connecting rod, it is characterized in that: also be provided with volute spring in the described housing, a described helical spring end is fixed in the described housing, and the other end is a free end, and described free end is connected with the other end of described connecting rod.
2. minor diameter tensimeter as claimed in claim 1 is characterized in that: the shell of described helical spring stiff end and described gear drive welds by silver soldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203030748U CN201110792Y (en) | 2007-12-06 | 2007-12-06 | Pressure gauge with small diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203030748U CN201110792Y (en) | 2007-12-06 | 2007-12-06 | Pressure gauge with small diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201110792Y true CN201110792Y (en) | 2008-09-03 |
Family
ID=39895326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203030748U Expired - Fee Related CN201110792Y (en) | 2007-12-06 | 2007-12-06 | Pressure gauge with small diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201110792Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331324A (en) * | 2010-07-12 | 2012-01-25 | 罗斯蒙德公司 | Differential pressure transmitter with additional two absolute pressure transducers |
-
2007
- 2007-12-06 CN CNU2007203030748U patent/CN201110792Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331324A (en) * | 2010-07-12 | 2012-01-25 | 罗斯蒙德公司 | Differential pressure transmitter with additional two absolute pressure transducers |
| CN102331324B (en) * | 2010-07-12 | 2016-03-02 | 罗斯蒙特公司 | There is the differential pressure transmitter of additional two absolute pressure transducers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Cixi Huadong Pressure Gauge Company Limited Assignor: Tong Jiguo Contract fulfillment period: 2008.9.27 to 2014.10.8 Contract record no.: 2008330001436 Denomination of utility model: Pressure gauge with small diameter Granted publication date: 20080903 License type: Exclusive license Record date: 20081029 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.27 TO 2014.10.8; CHANGE OF CONTRACT Name of requester: CIXI CITY HUADONG MANOMETER CO., LTD. Effective date: 20081029 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20101206 |