CN101377443A - Mechanical type air-pressure gage - Google Patents
Mechanical type air-pressure gage Download PDFInfo
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- CN101377443A CN101377443A CNA2008100290776A CN200810029077A CN101377443A CN 101377443 A CN101377443 A CN 101377443A CN A2008100290776 A CNA2008100290776 A CN A2008100290776A CN 200810029077 A CN200810029077 A CN 200810029077A CN 101377443 A CN101377443 A CN 101377443A
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Abstract
The invention relates to the barometer technology field, in particular to a mechanical barometer, comprising a casing, a meter cover, a pointer, a disk engraved with scale, a gas source piston, an elastic component, a rack, a gear and a support. The gas source piston is matched with the air inlet plunger. One end of the gas source piston which is located inside the casing is provided an inclined pushing rim and a guide sleeve. The inside of the casing is provided with a guide pillar. The guide sleeve is sheathed with the guide pillar. The support is fixed on the guide pillar. The elastic component is installed between the support and the gas source piston. The gear shaft is connected with the support. The gear rotary shaft passes through the disk and is fixed and connected with the pointer. The rack shaft is connected with the support. The rim of the rack is the arc rim. The rack rim is connected with the gear. The lower end of the rack is provided with an inclined rotary rim which fits with the inclined pushing rim. The support is provided with an arc slot which fits with the inclined rotary rim. The inclined rotary rim passes through the arc slot and is contacted with the inclined pushing rim. The mechanical barometer has low cost and high measuring precision which is convenient to be adjusted and assembled.
Description
Technical field:
The present invention relates to the rain glass technical field, relate in particular to a kind of mechanical type air-pressure gage that is used for the display of tyre gaseous tension.
Background technology:
At present, the traditional mechanical formula rain glass that is used for doughnut on the market has various ways, wherein most of product is to utilize copper bend pipe (claiming Ba Dunguan again), under the effect of air pressure, produce flexural deformation, effect by connecting rod, gear multiplying arrangement, hairspring or spring compensation mechanism, make pointer on the scale face, rotate, with the display of tyre gaseous tension.It is directly to utilize spring pressure to promote piston that portioned product is also arranged, and intuitively reads the float rod type measuring pen of measuring air pressure on piston, or the measurement mechanism of other bar class.By contrast, though first kind to exemplify the product measuring accuracy higher, production cost is too high, it is inconvenient to adjust assembling; Second kind exemplifies product and slightly reduces than the former cost, but measuring accuracy descends to some extent, and can not be with the form display of tyre gaseous tension of dial plate.
Summary of the invention:
The objective of the invention is at the deficiencies in the prior art, provide a kind of cost lower, measuring accuracy is higher, adjusts mechanical type air-pressure gage easy to assembly.
For achieving the above object, the present invention is achieved through the following technical solutions: a kind of mechanical type air-pressure gage, the face that comprises shell, table lid, pointer and band scale, described shell is provided with air intake opening, described table lid and shell snapping, face is arranged on enclosure, and pointer is arranged on the face top, also comprises source of the gas piston, flexible member, tooth bar, gear and support; Described source of the gas piston cooperates with the air intake opening plunger, the end that the source of the gas piston is positioned at enclosure is provided with cant limit and guide pin bushing, and described enclosure is provided with guide pillar, described guide pin bushing and guide pillar socket, support is fixed on the guide pillar, and flexible member elasticity is arranged between support and the source of the gas piston; Described gear shaft is connected on the support, and rotary gear shaft passes face and pointer is affixed; Described rack shaft is connected on the support, and the tooth limit of tooth bar is arc tooth limit, tooth limit and gear toe joint, and the tooth bar lower end is provided with the oblique commentaries on classics limit that adapts with the cant limit, and described support is provided with and tiltedly changes the arc groove that the limit adapts, and changes tiltedly that the arc groove is passed on the limit and the cant limit touches.
Also comprise the caulking gum cap, the sealing rubber cap buckles into the end that the source of the gas piston is positioned at air intake opening.
Described flexible member is a spring.
Described cant limit and the oblique limit of changeing are the arc limit.
Described air intake opening offers annular groove.
Also comprise back-moving spring and link, described link is fixed on the pillar of enclosure, and described face is fixed on the link, and the shaft hole of link is passed in the rotating shaft of described tooth bar, one end of back-moving spring is fixed on the link, and the other end of back-moving spring is connected with the rotating shaft of tooth bar.
Described back-moving spring is a scroll spring.
Described table lid is transparent shell.
Beneficial effect of the present invention: use traditional copper materials such as copper bend pipe owing to give up, utilize the principle of source of the gas piston in the gas pressure lower slider, with the effect of the rectilinear motion of source of the gas piston by rack-and-pinion, be converted into the form that pointer rotates on face, under the prerequisite that satisfies the requirement of automotive tire pressure accuracy of detection, reduce production cost significantly, saved valuable copper metal in a large number, also can be convenient to adjust assembling on the technology.
Description of drawings:
Accompanying drawing 1 is a cut-open view of the present invention;
Accompanying drawing 2 is a decomposing schematic representation of the present invention;
Accompanying drawing 3 is the assembling synoptic diagram of source of the gas piston of the present invention and gear, tooth bar;
Accompanying drawing 4 is a tooth bar synoptic diagram of the present invention;
Accompanying drawing 5 is a support synoptic diagram of the present invention;
Accompanying drawing 6 is a shell synoptic diagram of the present invention.
Embodiment:
The present invention is further elaborated below in conjunction with accompanying drawing:
Shown in accompanying drawing 1 to 6, this mechanical type air-pressure gage, comprise that shell 12, table covers 1, pointer 2 and be with the face 3 of scale, described shell 12 is provided with air intake opening 13, described table lid 1 and shell 12 snappings, face 3 is arranged on shell 12 inside, and pointer 2 is arranged on face 3 tops, also comprises source of the gas piston 10, flexible member 9, tooth bar 7, gear 6 and support 8; Described source of the gas piston 10 cooperates with air intake opening 13 plungers, the end that source of the gas piston 10 is positioned at shell 12 inside is provided with cant limit 16 and guide pin bushing 17, described shell 12 inside are provided with guide pillar 15, described guide pin bushing 17 and guide pillar 15 sockets, support 8 is fixed on the guide pillar 15, and flexible member 9 elasticity are arranged between support 8 and the source of the gas piston 10; Described gear 6 is coupling on support 8, and it is affixed with pointer 2 that face 3 is passed in gear 6 rotating shafts; Described tooth bar 7 is coupling on support 8, the tooth limit 19 of tooth bar 7 is arc tooth limit, tooth limit 19 and gear 6 toe joints, tooth bar 7 lower ends are provided with the oblique commentaries on classics limit 18 that adapts with cant limit 16, described support 8 is provided with and tiltedly changes the arc groove 20 that limit 18 adapts, and tiltedly changes limit 18 and passes arc groove 20 and touch with cant limit 16.
Described mechanical type air-pressure gage also comprises caulking gum cap 11, and sealing rubber cap 11 buckles into the end that source of the gas piston 10 is positioned at air intake opening 13.Caulking gum cap 11 increases source of the gas piston 10 and the seal degree that air intake opening 13 plungers cooperate, and improves the measuring accuracy of this mechanical type air-pressure gage effectively.
Described flexible member 9 is a spring.
Described cant limit 16 and the oblique limit 18 of changeing are the arc limit, make source of the gas piston 10 can promote tooth bar 7 more reposefully and rotate, and improve the measuring accuracy of this mechanical type air-pressure gage effectively.
Described air intake opening 13 offers annular groove 21, and annular groove 21 makes this mechanical type air-pressure gage cooperate tightr with the valve of tire.
Described mechanical type air-pressure gage, also comprise back-moving spring 4 and link 5, described link 5 is fixed on the pillar of shell 12 inside, described face 3 is fixed on the link 5, one end of back-moving spring 4 is fixed on the link 5, the shaft hole of link 5 is passed in the rotating shaft of described tooth bar 7, and the other end of back-moving spring 4 is connected with the rotating shaft of tooth bar 7.Back-moving spring 4 can drive pointer 2 by tooth bar 7 and gear 6 and reset.
Described back-moving spring 4 is a scroll spring.
Described table lid 1 is a transparent shell, to increase the aesthetic property of this mechanical type air-pressure gage.
During use, the air intake opening 13 of this mechanical type air-pressure gage is matched with valve on the tire, source of the gas piston 10 slides and compression elastic element 9 at gas pressure lower edge air intake opening 13, the guide pin bushing 17 of source of the gas piston 10 slides along guide pillar 15 simultaneously, guarantee the slip stationarity of source of the gas piston 10, the oblique commentaries on classics limit 18 that the cant limit 16 of source of the gas piston 10 promotes tooth bar 7, make tooth bar 7 rotate, tooth bar 7 driven gears 6 rotate, gear 6 drives pointer 2 again and rotates on face 3, thereby can demonstrate the tire pressure value according to the scale on the face 3.In tooth bar 7 rotation processes, drive back-moving spring 4 elastic deformations, when extract this mechanical type air-pressure gage from valve after, source of the gas piston 10 resets under flexible member 9 effects, resets under back-moving spring 4 effects with hour rack 7, resets thereby drive pointer 2.Therefore, this mechanical type air-pressure gage can also reduce production costs under the prerequisite that fully satisfies the requirement of automotive tire pressure accuracy of detection significantly, saves valuable copper metal in a large number, also can be convenient to adjust assembling on the technology.And as preferred implementation, gear 6 and tooth bar 7 can be selected plastic material for use, further reduce production costs.
The above only is preferred embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.
Claims (8)
1, a kind of mechanical type air-pressure gage, the face (3) that comprises shell (12), table lid (1), pointer (2) and band scale, described shell (12) is provided with air intake opening (13), described table lid (1) and shell (12) snapping, face (3) is arranged on shell (12) inside, pointer (2) is arranged on face (3) top, it is characterized in that: also comprise source of the gas piston (10), flexible member (9), tooth bar (7), gear (6) and support (8); Described source of the gas piston (10) cooperates with air intake opening (13) plunger, source of the gas piston (10) is positioned at the inner end of shell (12) and is provided with cant limit (16) and guide pin bushing (17), described shell (12) inside is provided with guide pillar (15), described guide pin bushing (17) and guide pillar (15) socket, support (8) is fixed on the guide pillar (15), and flexible member (9) elasticity is arranged between support (8) and the source of the gas piston (10); Described gear (6) is coupling on support (8), and it is affixed with pointer (2) that face (3) is passed in gear (6) rotating shaft; Described tooth bar (7) is coupling on support (8), the tooth limit (19) of tooth bar (7) is arc tooth limit, tooth limit (19) and gear (6) toe joint, tooth bar (7) lower end is provided with the oblique commentaries on classics limit (18) that adapts with cant limit (16), described support (8) is provided with and tiltedly changes the arc groove (20) that limit (18) adapts, and tiltedly changes limit (18) and passes arc groove (20) and touch with cant limit (16).
2, a kind of mechanical type air-pressure gage according to claim 1 is characterized in that: also comprise caulking gum cap (11), sealing rubber cap (11) buckles into the end that source of the gas piston (10) is positioned at air intake opening (13).
3, a kind of mechanical type air-pressure gage according to claim 1 is characterized in that: described flexible member (9) is a spring.
4, a kind of mechanical type air-pressure gage according to claim 1 is characterized in that: described cant limit (16) and the oblique limit (18) of changeing are the arc limit.
5, a kind of mechanical type air-pressure gage according to claim 1 is characterized in that: described air intake opening (13) offers annular groove (21).
6, a kind of mechanical type air-pressure gage according to claim 1, it is characterized in that: also comprise back-moving spring (4) and link (5), described link (5) is fixed on the inner pillar of shell (12), described face (3) is fixed on the link (5), the shaft hole of link (5) is passed in the rotating shaft of described tooth bar (7), one end of back-moving spring (4) is fixed on the link (5), and the other end of back-moving spring (4) is connected with the rotating shaft of tooth bar (7).
7, a kind of mechanical type air-pressure gage according to claim 6 is characterized in that: described back-moving spring (4) is a scroll spring.
8, according to each described a kind of mechanical type air-pressure gage of claim 1 to 7, it is characterized in that: described table lid (1) is transparent shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100290776A CN101377443A (en) | 2008-06-30 | 2008-06-30 | Mechanical type air-pressure gage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100290776A CN101377443A (en) | 2008-06-30 | 2008-06-30 | Mechanical type air-pressure gage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101377443A true CN101377443A (en) | 2009-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100290776A Pending CN101377443A (en) | 2008-06-30 | 2008-06-30 | Mechanical type air-pressure gage |
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| CN (1) | CN101377443A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103097870A (en) * | 2010-09-16 | 2013-05-08 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Fspring-activated optical pressure display device |
| CN109484599A (en) * | 2018-12-18 | 2019-03-19 | 杭州前进齿轮箱集团股份有限公司 | A kind of forced feed lubrication type oil distributor for controllable pitch propeller |
| CN110389004A (en) * | 2018-04-18 | 2019-10-29 | 侨雄实业股份有限公司 | Pressure gauge |
| CN110978910A (en) * | 2019-10-30 | 2020-04-10 | 黄杰 | Tire barometer for reducing overpressure impact injury value based on RFID internet of things technology |
| CN111351614A (en) * | 2018-12-21 | 2020-06-30 | 天津市华赛尔气体有限公司 | Mechanical detection meter for compressed gas |
-
2008
- 2008-06-30 CN CNA2008100290776A patent/CN101377443A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103097870A (en) * | 2010-09-16 | 2013-05-08 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Fspring-activated optical pressure display device |
| CN103097870B (en) * | 2010-09-16 | 2015-06-17 | 克诺尔-布里姆斯轨道车辆系统有限公司 | Fspring-activated optical pressure display device |
| 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 |
| CN109484599A (en) * | 2018-12-18 | 2019-03-19 | 杭州前进齿轮箱集团股份有限公司 | A kind of forced feed lubrication type oil distributor for controllable pitch propeller |
| CN111351614A (en) * | 2018-12-21 | 2020-06-30 | 天津市华赛尔气体有限公司 | Mechanical detection meter for compressed gas |
| CN110978910A (en) * | 2019-10-30 | 2020-04-10 | 黄杰 | Tire barometer for reducing overpressure impact injury value based on RFID internet of things technology |
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Open date: 20090304 |