CN201476932U - Zero adjustment device and capsule pressure gauge - Google Patents
Zero adjustment device and capsule pressure gauge Download PDFInfo
- Publication number
- CN201476932U CN201476932U CN200920222203XU CN200920222203U CN201476932U CN 201476932 U CN201476932 U CN 201476932U CN 200920222203X U CN200920222203X U CN 200920222203XU CN 200920222203 U CN200920222203 U CN 200920222203U CN 201476932 U CN201476932 U CN 201476932U
- Authority
- CN
- China
- Prior art keywords
- nail
- zeroing
- balancing controls
- pressure gauge
- axle sleeve
- 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
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model embodiment provides a zero adjustment device and a capsule pressure gauge. The embodiment of the zero adjustment device comprises a zero adjustment nail which is a cylinder and a zero adjustment nail seal shaft sleeve, wherein one end of the zero adjustment nail is provided with external screw threads and the other end of the nail is provided with a tool adaptive hole; at least two first O-shaped grooves perpendicular to axis of the zero adjustment nail are arranged in the middle portion of the same; a first part and a second part of the zero adjustment nail seal shaft sleeve are both cylinders with holes in the centre; the holes are adapted to the zero adjustment nail; the diameter of the second part is bigger than that of the first part; one end of the first part is adapted to the second part; and the external screw threads are arranged at the other end of the first part. The embodiment of the zero adjustment device and the capsule pressure gauge can be adjusted to zero after an oil-filled gauge is charged, thereby increasing accuracy of the display value.
Description
Technical field
The utility model relates to the pressure measurement technology field, relates in particular to a kind of balancing controls and capsule pressure gauge.
Background technology
Capsule pressure gauge is a kind of instrument that is used for detecting slight pressure, generally is used to measure the pressure that is lower than 0.1Mpa, has been widely used in fields such as medicine, heating, gas pipeline, burner, artificial atmosphere.Capsule pressure gauge is because have the small special nature of gaging pressure, makes its rapid wear and can not be applied to strong pulsation of measuring media and the bigger occasion of environmental vibration in use.Capsule pressure gauge adopts the method for perfusion silicone oil in table to adapt to more abominable environment for use better in use usually; Flexible member in the capsule pressure gauge and gear train are worked in oil like this, make gauge pointer tangible buffering damping and earthquake-proof function be arranged to the vibrations of measured medium and environment, and parts have played lubricated and corrosion-resistant effect in the his-and-hers watches, have also prolonged the serviceable life of instrument simultaneously.
Measuring sensor bellows in the capsule pressure gauge is that as thin as a wafer sheet metal forms through the impact briquetting butt welding, and the thinnest bellows thickness only is 0.05mm; The pressure of measuring media makes bellows produce linear displacement up and down, thereby the angle displacement that the drive gear train changes on the dial plate shows.But because the gravity of filled media oil self in the watchcase makes bellows cave in, thereby make gauge pointer, influence the precision of displayed value from zero; And because filled media oil is subjected to Temperature Influence, the viscosity of medium oil changes also can make gauge pointer from zero.
From zero situation, the user generally when capsule pressure gauge is not oil-filled, slightly overcomes gauge pointer by the zeroing screw of suitably regulating in the watchcase from zero at oil-filled back gauge pointer in the watchcase.But this adjusting zero method is unsatisfactory, and when the oil-filled pointer that might also can exist after airtight is from zero situation in the watchcase, but can not return to zero by regulating described zeroing screw this moment again, thereby make the precision of displayed value reduce.
The utility model content
The purpose of the utility model embodiment provides a kind of balancing controls and capsule pressure gauge, to improve the precision of displayed value.
For solving the problems of the technologies described above, the utility model embodiment provides a kind of balancing controls and capsule pressure gauge to be achieved in that
A kind of balancing controls comprise: the zeroing nail, and described zeroing nail is right cylinder, and an end of described zeroing nail has external thread, and the other end has adaptive mouthful of instrument, and the middle part of described zeroing nail has at least two first " O " type grooves perpendicular to described zeroing nail axis; Zeroing nail sealing axle sleeve, the first of described zeroing nail sealing axle sleeve and second portion are middle right cylinder with holes, described hole and described zeroing nail are adaptive, the diameter of described second portion is greater than the diameter of described first, one end and the described second portion of described first are suitable, and the other end of described first is provided with external thread.
Preferably, in the described balancing controls, the material of described zeroing nail sealing axle sleeve is a metal material.
Preferably, in the described balancing controls, offer second " O " type groove on the close surface of described second portion and described first perpendicular to described zeroing nail sealing axle sleeve axis.
Preferably, in the described balancing controls, has suitable sealing axle sleeve " O " type circle on described second " O " type groove.
Preferably, in the described balancing controls, has the suitable pressure seal ring of crossing on described first " O " type groove.
Preferably, in the described balancing controls, the described material of crossing pressure seal ring is an oil-resistant rubber material.
Preferably, in the described balancing controls, have suitable sealing locknut on the external thread of described zeroing nail sealing axle sleeve, described sealing locknut is realized sealing by Tetrafluoro spacer.
Preferably, in the described balancing controls, the shape that described instrument is adaptive mouthful comprises: " one " font, " ten " font or six square opening shapes.
A kind of capsule pressure gauge, comprise above-mentioned balancing controls, the bore dia of the diameter of the second portion of described balancing controls and the watch glass of described capsule pressure gauge is suitable, and the internal thread of the external thread of the zeroing nail of described balancing controls and the movement zeroing plate of described capsule pressure gauge is suitable.
Preferably, in the described capsule pressure gauge, the second portion of described balancing controls is positioned at the outside of the watch glass of described capsule pressure gauge.
The technical scheme that is provided by above the utility model embodiment as seen, the balancing controls of the utility model embodiment comprise adaptive mutually zeroing nail and zeroing nail sealing axle sleeve, realize the sealing of balancing controls and oil-filled table by sealing axle sleeve " O " type circle, Tetrafluoro spacer, mistake pressure seal ring, make not only good seal performance of balancing controls, and can be in the oil-filled back of oil-filled table by the zeroing nail adaptive mouthful of fine setting of instrument instrument because of temperature variation or movement operation take place slightly from zero situation, make the precision of displayed value improve; The capsule pressure gauge that the utility model embodiment provides adopts above-mentioned balancing controls, makes oil-filled backpointer also can regulate when zero, thereby has improved the precision of displayed value.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only shows embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain the accompanying drawing of other embodiment according to these accompanying drawings.
Fig. 1 is the cut-away structure chart of the balancing controls that provide of the utility model embodiment;
Fig. 2 is the cut-away structure chart of the capsule pressure gauge that provides of the utility model embodiment.
Embodiment
The utility model embodiment provides a kind of balancing controls and capsule pressure gauge.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the utility model protection.
With reference to figure 1, the cut-away structure chart of the balancing controls that Fig. 1 provides for the utility model embodiment.
The utility model embodiment provides a kind of balancing controls 1, is applied to comprise in the oil-filled table:
Zeroing nail sealing axle sleeve 3, the 3a of first of described zeroing nail sealing axle sleeve 3 and second portion 3b be centre right cylinder with holes, it is 2 adaptive that described hole and described zeroing are followed closely; The diameter of described second portion 3b is greater than the diameter of the described 3a of first, so that when balancing controls being positioned in the watch glass 8 of oil-filled table, zeroing nail sealing axle sleeve 3 can be enclosed within on the watch glass 8, and described oil-filled table includes but not limited to capsule pressure gauge; The end of the described 3a of first and described second portion 3b are suitable, the other end of the described 3a of first is provided with external thread, accordingly, the external thread of the described 3a of first is suitable with sealing locknut 6, described sealing locknut 6 by Tetrafluoro spacer 7 will return to zero the nail sealing axle sleeve 3 be fixed on the watch glass 8 of oil-filled table, described Tetrafluoro spacer 7 seals; Offer second " O " type groove perpendicular to described zeroing nail sealing axle sleeve 3 axis on the close surface of described second portion 3b and the described 3a of first, described second " O " type groove and sealing axle sleeve " O " type circle 4 are suitable.
Described zeroing nail 2 is with after described zeroing nail sealing axle sleeve 3 cooperates, and described first " O " type groove is positioned at described zeroing and follows closely sealing axle sleeve 3 realization sealing functions.
The material of described zeroing nail 2 is a metal material, and the material of described zeroing nail sealing axle sleeve 3 also is a metal material; The described material of crossing pressure seal ring 5 is an oil-resistant rubber material.
The balancing controls that the utility model embodiment provides put sealing axle sleeve " O " type circle 4 by zeroing nail sealing axle sleeve 3, and pass the watch glass 8 of oil-filled table, and after pad was gone up Tetrafluoro spacer 7 again, daub was screwed on and sealed locknut 6, has guaranteed the sealing of axle sleeve structure; Zeroing nail 2 is fixed on the movement zeroing plate of oil-filled table by the hole on the zeroing nail sealing axle sleeve 3, and described zeroing nail 2 exposes adaptive mouthful of 2a of instrument for user's operation of returning to zero; Closely cooperate with the suitable endoporus of crossing pressure seal ring 5 and zeroing nail sealing axle sleeve 3 of first " O " type groove on the zeroing nail 2 and to realize sealing; Make the balancing controls good seal performance that the utility model embodiment provides, and also can be in the oil-filled back of oil-filled table by the zeroing nail adaptive mouthful of fine setting of instrument instrument because of temperature variation or movement operation take place slightly from zero situation, make the precision of displayed value improve.
With reference to figure 2, the sectional structure chart of the capsule pressure gauge that Fig. 2 provides for the utility model embodiment.
The joint component 9 and the watchcase 11 usefulness argon arc weldings of capsule pressure gauge are connected together, and guarantee the leakproofness of capsule pressure gauge; Bellows parts 10 thread connecting joint parts 9; The front portion of watchcase 11 seals by watch glass 8 and watch glasses 12, described watch glasses 12 is suitable with watchcase 11, be used to tighten up watch glass 8, thereby the user can see through the indicated value that watch glass 8 is observed pointer, adopts sealing gasket 13 to realize sealing between described watch glass 8 and the watchcase 11; Movement 14 is fixed on the movement zeroing plate 16 by movement staple 15; Offer internal thread on the described movement zeroing plate 16, it is suitable that the external thread of 2 (not shown)s is followed closely in the zeroing of described internal thread and described balancing controls 1; Described movement zeroing plate 16 is by zeroing nail 2 (not shown) pressing springs 17, and described spring 17 is between described movement zeroing plate 16 and described joint component 9; The structural drawing of described balancing controls can be with reference to shown in Figure 1.
The capsule pressure gauge that the utility model embodiment provides adopts above-mentioned balancing controls 1, by regulating the adaptive mouthful of stroke that changes spring 17 of instrument on the zeroing nail 2, thereby the distance that changes between movement zeroing plate 16 and the joint component 9 just can slightly be regulated pointer on the movement 14, overcome the oil-filled backpointer of capsule pressure gauge in the prior art from zero situation about but can not regulate, make the precision of displayed value improve.
Above-described the utility model embodiment does not constitute the qualification to the utility model protection domain.Any modification of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present utility model.
Claims (10)
1. balancing controls is characterized in that, comprising: the zeroing nail, described zeroing nail is right cylinder, one end of described zeroing nail has external thread, and the other end has adaptive mouthful of instrument, and the middle part of described zeroing nail has at least two first " O " type grooves perpendicular to described zeroing nail axis; Zeroing nail sealing axle sleeve, the first of described zeroing nail sealing axle sleeve and second portion are middle right cylinder with holes, described hole and described zeroing nail are adaptive, the diameter of described second portion is greater than the diameter of described first, one end and the described second portion of described first are suitable, and the other end of described first is provided with external thread.
2. balancing controls according to claim 1 is characterized in that, the material of described zeroing nail sealing axle sleeve is a metal material.
3. balancing controls according to claim 1 and 2 is characterized in that, offer second " O " type groove perpendicular to described zeroing nail sealing axle sleeve axis on the close surface of described second portion and described first.
4. balancing controls according to claim 3 is characterized in that, have suitable sealing axle sleeve " O " type circle on described second " O " type groove.
5. balancing controls according to claim 1 and 2 is characterized in that, have the suitable pressure seal ring of crossing on described first " O " type groove.
6. balancing controls according to claim 5 is characterized in that, the described material of crossing pressure seal ring is an oil-resistant rubber material.
7. balancing controls according to claim 1 and 2 is characterized in that, have suitable sealing locknut on the external thread of described zeroing nail sealing axle sleeve, and described sealing locknut is realized sealing by Tetrafluoro spacer.
8. balancing controls according to claim 1 and 2 is characterized in that, the shape that described instrument is adaptive mouthful comprises: " one " font, " ten " font or six square opening shapes.
9. capsule pressure gauge, it is characterized in that, comprise each described balancing controls as claim 1-7, the bore dia of the diameter of the second portion of described balancing controls and the watch glass of described capsule pressure gauge is suitable, and the internal thread of the external thread of the zeroing nail of described balancing controls and the movement zeroing plate of described capsule pressure gauge is suitable.
10. capsule pressure gauge according to claim 9 is characterized in that the second portion of described balancing controls is positioned at the outside of the watch glass of described capsule pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920222203XU CN201476932U (en) | 2009-08-26 | 2009-08-26 | Zero adjustment device and capsule pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920222203XU CN201476932U (en) | 2009-08-26 | 2009-08-26 | Zero adjustment device and capsule pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201476932U true CN201476932U (en) | 2010-05-19 |
Family
ID=42413183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920222203XU Expired - Fee Related CN201476932U (en) | 2009-08-26 | 2009-08-26 | Zero adjustment device and capsule pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201476932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996906A (en) * | 2012-10-13 | 2013-03-27 | 滁州伯恩太阳能科技有限公司 | Seal locknut of solar hollow flat plate collector and collector |
| CN109696277A (en) * | 2019-01-07 | 2019-04-30 | 上海自动化仪表有限公司 | It is applicable in the balancing controls of filling liquid stainless steel pressure table |
-
2009
- 2009-08-26 CN CN200920222203XU patent/CN201476932U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996906A (en) * | 2012-10-13 | 2013-03-27 | 滁州伯恩太阳能科技有限公司 | Seal locknut of solar hollow flat plate collector and collector |
| CN102996906B (en) * | 2012-10-13 | 2015-04-08 | 滁州伯恩太阳能科技有限公司 | Seal locknut of solar hollow flat plate collector and collector |
| CN109696277A (en) * | 2019-01-07 | 2019-04-30 | 上海自动化仪表有限公司 | It is applicable in the balancing controls of filling liquid stainless steel pressure table |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201476932U (en) | Zero adjustment device and capsule pressure gauge | |
| CN104697697A (en) | High-precision shock-proof pressure gauge | |
| CN201754114U (en) | Absolute pressure sensor with low bandwidth voltage output range | |
| CN201107146Y (en) | Diaphragm type pressure gauge | |
| CN204679205U (en) | The two damping pressure transmitter of a kind of high withstand voltage binodal | |
| CN205426390U (en) | Spring -tube pressure gauge | |
| US3866464A (en) | Hydraulic load indicator | |
| CN210426367U (en) | Device for measuring radius height of crankshaft bearing bush of engine | |
| CN202582820U (en) | Diaphragm type pressure gauge | |
| CN202471332U (en) | Pressure gauge | |
| CN108267118B (en) | Strain type intelligent inclinometer | |
| CN204988624U (en) | Precision pressure gauge | |
| CN203348657U (en) | Positive and negative pressure limit pressure protection device for vacuum manometer | |
| CN215217912U (en) | Pressure indicating device | |
| CN114544103A (en) | Watch production detection device | |
| CN206609549U (en) | A kind of pressure gauge of use rubber diaphragm structure | |
| CN211347196U (en) | Intrinsic safety explosion-proof electric contact micro-pressure diaphragm meter | |
| CN213274686U (en) | Rectangular bellows differential pressure indicator core | |
| CN209416544U (en) | A kind of high-precision plectane sensor and loading device | |
| CN221055926U (en) | High-tightness medical pressure gauge | |
| CN2432562Y (en) | Pressure differential pressure sensor without displacement and deformation device | |
| CN208060077U (en) | A kind of flat membrane pressure transmitter | |
| CN207066404U (en) | A kind of strain transducer based on image recognition | |
| CN204479235U (en) | A kind of high precision shock-proof pressure gauge | |
| CN2921808Y (en) | Oil-filling antivibrating bellows pressure gauge |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20170826 |