CN202974542U - Bellows-type pressure gauge - Google Patents
Bellows-type pressure gauge Download PDFInfo
- Publication number
- CN202974542U CN202974542U CN 201220635328 CN201220635328U CN202974542U CN 202974542 U CN202974542 U CN 202974542U CN 201220635328 CN201220635328 CN 201220635328 CN 201220635328 U CN201220635328 U CN 201220635328U CN 202974542 U CN202974542 U CN 202974542U
- Authority
- CN
- China
- Prior art keywords
- driving gear
- pointer
- gear
- pressure gauge
- diaphragm
- 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 - Lifetime
Links
Images
Landscapes
- Measuring Volume Flow (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a bellows-type pressure gauge. The bellows-type pressure gauge comprises a diaphragm, a pointer and a transmission unit which transforms linear displacement of the diaphragm into angular displacement of the pointer, wherein the transmission unit comprises an inductive needle moving up and down with the diaphragm when the diaphragm is under the action of a gas or a liquid, a driving gear in drive connection with the inductive needle, and a pointer gear engaged with the driving gear; the driving gear is rotatably mounted on the pressure gauge about a horizontal axis, and the pointer gear is rotatably mounted on the pressure gauge about a vertical axis; and both the driving gear and the pointer gear are provided with teeth on the circumference, such that the driving gear and the pointer gear are engaged, and the rotation of the driving gear about the horizontal axis is transformed into the rotation of the pointer gear about the vertical axis. According to the utility model, the driving gear and the pointer gear having axes perpendicular to each other are used in the transmission unit, and the rotation plane of the pointer is correspondingly extends in the horizontal direction, so that people can read the pressure gauge downwardly or upwardly without head-up looking.
Description
Technical field
The utility model relates to the tensimeter for air pressure and hydraulic measurement.
Background technology
structure a kind of tensimeter as disclosed in Chinese patent literature CN 2318626Y of the capsule pressure gauge of existing pressure for detection of gas or liquid medium, comprise with chaffy bellows and the watchcase that is connected in bellows top, its principle is by drive disk assembly, pressure medium to be acted on the rotation that deformation that diaphragm produces is converted into pointer, the drive disk assembly of above-mentioned prior art is to adopt the connecting rod that is connected on diaphragm to drive the sector gear rotation, sector gear drives with pointer gear and the drive of sector gear engagement and rotates with the pointer that pointer gear is connected, realize reading, the direction of motion of the connecting rod that adopts due to prior art and the bearing of trend of medium channel are above-below direction, thereby the pivot center of sector gear and pointer gear is all horizontal directions, the Plane of rotation that causes like this pointer gear is also that above-below direction extends, thereby consistent with the bearing of trend of medium channel, like this in the measuring position on the lower or during the top source of the gas in position, people's face must gather higher or lower position and could look squarely with pointer, cause reading inconvenience, and cause the oversize of manometric above-below direction.
The utility model content
The purpose of this utility model is to provide a kind of capsule pressure gauge of convenient reading.
the technical solution of the utility model is: a kind of capsule pressure gauge, comprise diaphragm, pointer and the drive disk assembly that the displacement of the lines of diaphragm is converted into the angular displacement of pointer, drive disk assembly is included in diaphragm when being subjected to gas or liquid effects with the mobile along the vertical direction inductive needle of diaphragm, the driving gear that is in transmission connection with inductive needle, pointer gear with the driving gear engagement, described pointer and pointer gear are fixed and are rotated with the pivot center of pointer gear around pointer gear, the above-below direction of definition capsule pressure gauge is vertical direction, definition is horizontal direction with the vertical rectilinear bearing of trend of straight line that vertical direction extends, described driving gear rotates around horizontal axis and is assemblied on tensimeter, described pointer gear rotates around vertical axis and is assemblied on tensimeter, the corresponding intermeshing circumferential tooth around the rotation of vertical axis that is converted into pointer gear for the rotation around horizontal axis with driving gear that is provided with on driving gear and pointer gear.
Described driving gear comprises that two ends rotate the driving gear rotating shaft be assemblied on tensimeter and one and be connected in tooth plate in the driving gear rotating shaft, the tooth of described driving gear is vertical to be located at the tooth plate surface and around the pivot center of the driving gear strip tooth along curved distribution, driving gear rotating shaft middle part offers groove, and groove has the bottom land plane that pushes to drive the driving gear rotation for inductive needle.
Described driving gear rotating shaft is connected with driving gear is applied the back-moving spring that elastic force resets with the pointer that orders about driving gear and be in transmission connection by pointer gear with driving gear.
Drive disk assembly of the present utility model adopts the orthogonal driving gear of axis and pointer gear, the rotation around horizontal axis of driving gear is converted into the rotation around vertical axis of pointer gear, make pointer also rotate around vertical axis with pointer gear, the Plane of rotation of corresponding pointer also extends in the horizontal direction, does not need to look squarely with regard to making the people can face upward or downward when the reading to observe pressure gauge reading like this.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is the structural representation of drive disk assembly in Fig. 1;
Fig. 4 is the side view of Fig. 3.
Embodiment
As Fig. 1～shown in Figure 4, the embodiment of capsule pressure gauge of the present utility model, comprise bellows 2 and the watchcase 1 that is connected in bellows 2 tops, bellows 2 comprises be used to the body of the medium that passes into gas to be measured or liquid and is located at diaphragm 22 in body, is provided with the medium channel that extends at above-below direction in body and is provided with the opening that the medium for testing pressure that communicates with medium channel enters in the body lower end.watchcase 1 is provided with pointer 3 and the displacement of the lines of the diaphragm 22 in bellows 2 is transformed and is enlarged into the drive disk assembly 4 of the angular displacement of pointer 3, the above-below direction of definition capsule pressure gauge is vertical direction, definition is horizontal direction with the vertical rectilinear bearing of trend of straight line that vertical direction extends, described drive disk assembly comprises the upwardly extending inductive needle 23 that moves along the vertical direction with diaphragm 22 that diaphragm 22 is connected when diaphragm is subjected to gas or liquid effects, rotate the driving gear 41 that is assemblied on watchcase around horizontal axis, rotate the pointer gear 42 that is assemblied on watchcase around vertical axis, the corresponding intermeshing circumferential tooth around the rotation of vertical axis that is converted into pointer gear 42 for the rotation around horizontal axis with driving gear 41 that is provided with on driving gear 41 and pointer gear 42, the inductive needle 23 that driving gear 41 is provided with for diaphragm 22 pushes to drive the forced section that driving gear 41 rotates, described pointer 3 is connected with the gear shaft of pointer gear 42.driving gear 41 in the present embodiment comprises that two ends rotate the driving gear rotating shaft 411 be assemblied on the relative shell wall of watchcase 1 and one and be connected in tooth plate 413 in driving gear rotating shaft 411, the tooth of described driving gear 41 is vertical to be located at tooth plate 413 surfaces and around the pivot center of the driving gear 41 strip tooth 414 along curved distribution, driving gear 41 rotates by driving gear rotating shaft 411 and is assemblied on watchcase 1, forced section is the bottom land plane 412 of the groove offered of driving gear rotating shaft 411 middle parts, driving gear rotating shaft 411 is connected with driving gear 41 is applied the back-moving spring 5 of elastic force to order about driving gear 41 and to reset with pointer 3 that driving gear 41 is in transmission connection by pointer gear 42.
Above-described embodiment in use, the bottom land plane 412 of the groove of driving gear 41 contacts with the inductive needle 23 of bellows 22, the displacement of the lines of bellows 22 can be converted into angle displacement, and the ratio of gear of setting by driving gear 41 and pointer gear 42 amplifies angular displacement, driving gear 41 rotates and drives pointer gear 42 rotations, and the pointer 3 of installing on the gear shaft by pointer gear 42 is indicated the size of institute's measuring pressure.
In other embodiment of the present utility model, driving gear also can be changed to annular gear ring or driving gear and pointer gear the whole series are changed to bevel-gear sett; In other embodiment of the present utility model, inductive needle 23 also can adopt hinged with being in transmission connection of driving gear; In other embodiment of the present utility model, back-moving spring also can be connected on driving gear, inductive needle or pointer, can drive pointer and make zero to reset without pressure the time and get final product.
Claims (3)
1. capsule pressure gauge, comprise diaphragm, pointer and the drive disk assembly that the displacement of the lines of diaphragm is converted into the angular displacement of pointer, drive disk assembly is included in diaphragm when being subjected to gas or liquid effects with the mobile along the vertical direction inductive needle of diaphragm, the driving gear that is in transmission connection with inductive needle, pointer gear with the driving gear engagement, described pointer and pointer gear are fixed and are rotated with the pivot center of pointer gear around pointer gear, it is characterized in that: the above-below direction of definition capsule pressure gauge is vertical direction, definition is horizontal direction with the vertical rectilinear bearing of trend of straight line that vertical direction extends, described driving gear rotates around horizontal axis and is assemblied on tensimeter, described pointer gear rotates around vertical axis and is assemblied on tensimeter, the corresponding intermeshing circumferential tooth around the rotation of vertical axis that is converted into pointer gear for the rotation around horizontal axis with driving gear that is provided with on driving gear and pointer gear.
2. capsule pressure gauge according to claim 1, it is characterized in that: described driving gear comprises that two ends rotate the driving gear rotating shaft be assemblied on tensimeter and one and be connected in tooth plate in the driving gear rotating shaft, the tooth of described driving gear is vertical to be located at the tooth plate surface and around the pivot center of the driving gear strip tooth along curved distribution, driving gear rotating shaft middle part offers groove, and groove has the bottom land plane that pushes to drive the driving gear rotation for inductive needle.
3. capsule pressure gauge according to claim 2 is characterized in that: described driving gear rotating shaft is connected with driving gear is applied the back-moving spring of elastic force to order about driving gear and to reset with pointer that driving gear is in transmission connection by pointer gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220635328 CN202974542U (en) | 2012-11-27 | 2012-11-27 | Bellows-type pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220635328 CN202974542U (en) | 2012-11-27 | 2012-11-27 | Bellows-type pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202974542U true CN202974542U (en) | 2013-06-05 |
Family
ID=48515601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220635328 Expired - Lifetime CN202974542U (en) | 2012-11-27 | 2012-11-27 | Bellows-type pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202974542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389004A (en) * | 2018-04-18 | 2019-10-29 | 侨雄实业股份有限公司 | Pressure gauge |
-
2012
- 2012-11-27 CN CN 201220635328 patent/CN202974542U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389004A (en) * | 2018-04-18 | 2019-10-29 | 侨雄实业股份有限公司 | Pressure gauge |
| CN110389004B (en) * | 2018-04-18 | 2021-04-30 | 侨雄实业股份有限公司 | Pressure gauge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204027760U (en) | A kind of tensimeter | |
| CN202974542U (en) | Bellows-type pressure gauge | |
| CN104236784B (en) | A kind of Pressure gauge | |
| CN204064536U (en) | A kind of aneroid capsule tensimeter | |
| CN101377443A (en) | Mechanical type air-pressure gage | |
| CN202432955U (en) | Pitch cone jump detector of spiral bevel gear | |
| CN102878954A (en) | Laser protractor | |
| WO2019128199A1 (en) | Lever gauge | |
| CN202836524U (en) | Laser angular instrument | |
| CN208688724U (en) | A kind of dry type vibration-proof pressure gauge | |
| CN202034153U (en) | Transmission mechanism for potentiometer or encoder | |
| CN207730150U (en) | Connecting rod neck follow-up detector | |
| CN103263295B (en) | Puncture frame device and angle adjusting mechanism for same | |
| CN207300122U (en) | A kind of reducer gear gap detection device | |
| CN102363513B (en) | Swinging jack control device | |
| CN106768835B (en) | Fan blade regulating device for wave measurement | |
| CN207832057U (en) | A kind of lever meter | |
| CN107741195B (en) | Soft non-metal material deformation measuring device and measuring method | |
| CN204917073U (en) | Lamella formula friction rotating device that check out test set was used is torn to touch conveyer belt | |
| CN202119483U (en) | Contactless mud flow sensor for oilfield | |
| CN202382898U (en) | Pressure gage | |
| CN106768833B (en) | The fan blade regulating device of wave measurement machine | |
| CN206920071U (en) | A kind of air gauge using rotating shaft transmission | |
| CN108952879A (en) | Machine oil pressure responsive device | |
| CN204269193U (en) | Ball float cable wire differential capacitor liquid level sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |