CN107702826A - Spring manometer switching mechanism - Google Patents
Spring manometer switching mechanism Download PDFInfo
- Publication number
- CN107702826A CN107702826A CN201711108075.1A CN201711108075A CN107702826A CN 107702826 A CN107702826 A CN 107702826A CN 201711108075 A CN201711108075 A CN 201711108075A CN 107702826 A CN107702826 A CN 107702826A
- Authority
- CN
- China
- Prior art keywords
- spring
- tubular shell
- piston block
- limiting component
- switching mechanism
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 8
- 210000003739 neck Anatomy 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/04—Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs
- G01L1/042—Measuring force or stress, in general by measuring elastic deformation of gauges, e.g. of springs of helical springs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of spring manometer switching mechanism,Including watchcase,Seal,Piston block,Spring,Limiting component,Driving rack and travelling gear,Watchcase inner bottom part is integrally formed with the tubular shell transversely set,The other end of tubular shell forms opening,Seal,Piston block,Spring and limiting component are sequentially loaded in tubular shell by opening,Seal is fixed on piston block,The both ends of spring offset with piston block and limiting component respectively,Limiting component is fixed in tubular shell,Have in the side wall of tubular shell along the axially extending bar hole of tubular shell,There is the contiguous block that tubular shell is stretched out by bar hole on piston block,Driving rack is removably set in watchcase,And it is fixedly connected with contiguous block,Travelling gear is coaxially fixed in pointer installation rotating shaft,Tooth on travelling gear engages with the tooth on driving rack.Simple and reasonable, the assembly operation convenience of the switching mechanism, and small product size is small, good appearance.
Description
Technical field
The present invention relates to a kind of spring manometer switching mechanism, belong to spring manometer field of structural design.
Background technology
Pressure gauge refers to using flexible member as sensing element, measure and indicate the instrument higher than environmental pressure.Pressure gauge leads to
The elastic deformation for the sensing element crossed in table, then conducted pressure deformation to pointer by switching mechanism, cause indicators turn to show
Show pressure.The application of pressure gauge almost throughout all industrial flow and scientific research field, in heat distribution pipe network, oil gas transmission, is supplied water
The fields such as air supply system, vehicle maintenance maintenance factory shop are seen everywhere.A kind of spring is disclosed in patent document CN205426390U
Hook gauge, including watchcase, the table can inwall be provided with sealing lining ring, and the surface of sealing lining power is provided with scale
Disk, the bottom of the dial are provided with bourdon tube, and the bourdon tube passes through in the bottom of circular arc and the bourdon tube completely
Movable joint screw is connected with connecting rod, and the other end of the connecting rod is connected by loose joint screw with transmission mechanism, the transmission mechanism
Front is provided with train wheel bridge, and the surface of the train wheel bridge is provided with pointer, on the outer wall of the centrally disposed gear shaft of pointer,
And the bottom of the sun gear shaft is connected with central gear, the central gear is arranged on the surface of lower plate, and it is described in
The lower end of heart gear is provided with hairspring, and one end of the silk noil is fixed on sun gear shaft, and the other end is held within folder
At pillar between plate and the lower plate.Switching mechanism complicated, group in pressure gauge disclosed in above-mentioned patent document
Fill it is cumbersome, it is time consuming, be unfavorable for efficiency of assembling raising.
The content of the invention
On the other hand, the present invention is intended to provide a kind of simple and reasonable, it is easy to the spring manometer switching mechanism of assembling.
Realizing the technical scheme of the object of the invention is：
A kind of spring manometer switching mechanism, including watchcase, seal, piston block, spring, limiting component, driving cog
Bar and travelling gear, the watchcase inner bottom part integrally formed with the tubular shell transversely set, in the side wall of the watchcase into
Type connects gas port, and one end of the tubular shell forms the connection tubular shell inner chamber and the air inlet for connecing gas port
Passage, the other end of the tubular shell are provided with opening, the seal, the piston block, the spring and the limiting section
Part is sequentially loaded in the tubular shell by the opening, and the seal is fixed on the piston block, and described close
The internal perisporium of the periphery of sealing and the tubular shell is in close contact, the both ends of the spring respectively with the piston block and institute
State limiting component to offset, the limiting component is fixed in the tubular shell, in the side wall of the tubular shell is had along pipe
The axially extending bar hole of shape housing, there is the contiguous block that the tubular shell is stretched out by the bar hole on the piston block,
The driving rack is removably set in the watchcase, and is fixedly connected with the contiguous block, and the travelling gear is coaxially solid
It is scheduled in pointer installation rotating shaft, the tooth on the travelling gear engages with the tooth on the driving rack.
In above-mentioned technical proposal, the driving rack, the contiguous block and the piston block integrated injection molding.
In above-mentioned technical proposal, chuck is formed on the piston block, is formed on the seal and the chuck card
Connect the neck of cooperation.
In above-mentioned technical proposal, the limiting component is provided with the first spring locating features, institute close to one end of the spring
State piston block and be provided with second spring location structure close to one end of the spring.
In above-mentioned technical proposal, first spring locating features are the positioning boss taken shape on the limiting component,
The second spring location structure is the external diameter of the tube chamber taken shape on the piston block, the caliber of the tube chamber and the spring
Match, one end of the spring is enclosed on the positioning boss, and the other end is stretched into the tube chamber.
In above-mentioned technical proposal, the limiting component is the set screw being screwed onto in the tubular shell, the regulation
The side of screw outwardly has the operating portion for being beneficial to rotate the set screw.
The present invention has positive effect：Switching mechanism in the present invention is rational in infrastructure, in assembling, by the sealing
Part, the piston block, the spring and the limiting component are sequentially loaded in the tubular shell by the opening, limiting component
The opening is screwed onto, and the tooth on the driving rack is engaged with the tooth on travelling gear, the structure of the switching mechanism
Advantages of simple, assembly operation is convenient, and small product size is small, good appearance.
Brief description of the drawings
Fig. 1 is the stereogram of switching mechanism in the present invention；
Fig. 2 is the positive direction view of switching mechanism in the present invention；
Fig. 3 is the sectional view of the line A-A cutting along Fig. 2；
Fig. 4 is the structural representation of watchcase in the present invention；
Fig. 5 is that the structural representation after watchcase is removed in switching mechanism described in Fig. 1；
Fig. 6 is Fig. 5 explosive view；
Fig. 7 is structural representation when piston block, contiguous block and driving rack are molded as one in the present invention.
Reference is shown in figure：1- watchcases；11- connects gas port；2- seals；21- necks；3- piston blocks；31- connects
Connect block；32- chuck；33- tube chambers；4- springs；5- limiting components；51- operating portions；52- positioning boss；6- driving racks；7- is passed
Moving gear；8- tubular shells；81- is open；82- bar holes；9- pointers install rotating shaft；10- inlet channels.
Embodiment
The concrete structure in the present invention is done with explanation with reference to Figure of description：
A kind of spring manometer switching mechanism, as shown in Figures 1 to 6, it include watchcase 1, seal 2, piston block 3,
Spring 4, limiting component 5, driving rack 6 and travelling gear 7, the inner bottom part of watchcase 1 is integrally formed with the pipe transversely set
Shape housing 8, form in the side wall of the watchcase 1 and connect gas port 11, one end of the tubular shell 8 forms the connection pipe
The inner chamber of shape housing 8 and the inlet channel 10 for connecing gas port 11, the other end of the tubular shell 8 namely the watchcase 1
Side wall is provided with opening 81, and the seal 2, the piston block 3, the spring 4 and the limiting component 5 are by the opening 81
Sequentially load in the tubular shell 8, the seal 2 is fixed on the piston block 3, and the periphery of the seal 2
Be in close contact with the internal perisporium of the tubular shell 8, the both ends of the spring 4 respectively with the piston block 3 and the limiting section
Part 5 is offseted, and the limiting component 5 is fixed in the tubular shell 8, is had in the side wall of the tubular shell 8 along tubular shell
The axially extending bar hole 82 of body 8, there is the connection that the tubular shell 8 is stretched out by the bar hole 82 on the piston block 3
Block 31, the driving rack 6 are removably set in the watchcase 1, and are fixedly connected with the contiguous block 31, the driving cog
Wheel 7 is coaxially fixed in pointer installation rotating shaft 9, and the tooth on the travelling gear 7 engages with the tooth on the driving rack 6.This
Switching mechanism in embodiment is rational in infrastructure, in assembling, by the seal 2, the piston block 3, the spring 4 and described
Limiting component 5 is sequentially loaded in the tubular shell 8 by the opening 81, and limiting component 5 is screwed onto at the opening 81, and is made
Tooth on the driving rack 6 engages with the tooth on travelling gear 7, the switching mechanism it is simple and reasonable, operate during assembling
It is convenient, when installing and using, the joint of tracheae is connected with the gas port 11 that connects, then gases at high pressure pass through inlet channel
10 flow into tubular shell 8, promote the seal 2 and piston block 3 under the influence of air pressure to close to the limiting component 5
Direction is moved, and gradually compresses spring 4, and piston block 3 drives driving rack 6 to move during movement by contiguous block 31
It is dynamic, and then together rotated with nutating gear 7 and the pointer for being secured to connect installation rotating shaft 9, and then drive pointer (in figure not
Show) rotate instruction disk on indicate real-time atmospheric pressure value, when air pressure reduces, the spring 4 reseting elasticity effect lower band
Driving rack 6 is driven to move by contiguous block 31 when moving the direction movement of the piston block 3 and seal 2 to remote limiting component 5
It is dynamic, and then together rotated with nutating gear 7 and the pointer for being secured to connect installation rotating shaft 9, and then drive pointer (in figure not
Show) rotate and indicate real-time atmospheric pressure value on instruction disk, when piston block 3 and seal 2 reach initial position, pointer points to instruction
" 0 " on disk.Seal 2 described in the present embodiment is rubber seal or silicone-rubber seals.
As shown in fig. 7, driving rack 6 described in the present embodiment, the contiguous block 31 and the integrated injection molding of the piston block 3 into
Type, amount of parts can further be reduced using said structure, improve the convenience of assembly operation.
Further, chuck 32 is formed on the piston block 3, is formed on the seal 2 and the clamping of chuck 32
The neck 21 of cooperation, it is engaged by clamping by the chuck 32 and the neck 21 so as to by the seal 2 and the piston block 3
Reliably it is fixedly connected.
Limiting component 5 described in the present embodiment is provided with the first spring locating features, the work close to one end of the spring 4
Chock 3 is provided with second spring location structure close to one end of the spring 4, by setting the first spring locating features and the second bullet
Spring detent mechanism is used to position described spring 4, so as to ensure the installation effect of spring 4；Specifically, first bullet
Spring location structure is the positioning boss 52 taken shape on the limiting component 5, and the second spring location structure is takes shape in
The tube chamber 33 on piston block 3 is stated, the external diameter of the caliber of the tube chamber 33 and the spring 4 matches, one end set of the spring 4
On the positioning boss 52, the other end is stretched into the tube chamber 33, referring specifically to Fig. 3 and Fig. 6.
As the further improvement of above-described embodiment, the limiting component 5 is the regulation being screwed onto in the tubular shell 8
Screw, the side of the set screw outwardly have the operating portion 51 for being beneficial to rotate the set screw, and the operating portion 51 is more
Side shape hole or polygon boss.By rotating in right amount i.e. after Wrench and the polygonal hole or polygon boss are coordinated
Set screw can be made to rotate so as to adjust position of the set screw in tubular shell 8, to reach adjustment pressure value, calibration
The purpose of pressure gauge.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these
The obvious changes or variations that the connotation for belonging to of the invention is extended out still falls within protection scope of the present invention.
Claims (6)
1. a kind of spring manometer switching mechanism, it is characterised in that including watchcase (1), seal (2), piston block (3), bullet
Spring (4), limiting component (5), driving rack (6) and travelling gear (7), watchcase (1) inner bottom part is integrally formed with transversely
The tubular shell (8) of setting, form in the side wall of the watchcase (1) and connect gas port (11), one end of the tubular shell (8)
Form connection tubular shell (8) inner chamber and the inlet channel (10) for connecing gas port (11), the tubular shell (8)
The other end be provided with opening (81), the seal (2), the piston block (3), the spring (4) and the limiting component (5)
Sequentially being loaded in the tubular shell (8) by the opening (81), the seal (2) is fixed on the piston block (3), and
The periphery of the seal (2) is in close contact with the internal perisporium of the tubular shell (8), the both ends difference of the spring (4)
Being offseted with the piston block (3) and the limiting component (5), the limiting component (5) is fixed in the tubular shell (8),
Have in the side wall of the tubular shell (8) along the axially extending bar hole (82) of tubular shell (8), on the piston block (3)
With the contiguous block (31) that the tubular shell (8) is stretched out by the bar hole (82), the driving rack (6) is movably arranged
In the watchcase (1), and it is fixedly connected with the contiguous block (31), the travelling gear (7) is coaxially fixed on pointer installation
In rotating shaft (9), the tooth on the travelling gear (7) engages with the tooth on the driving rack (6).
2. spring manometer switching mechanism according to claim 1, it is characterised in that the driving rack (6), described
Contiguous block (31) and the piston block (3) integrated injection molding.
3. spring manometer switching mechanism according to claim 1 or 2, it is characterised in that on the piston block (3) into
Type has chuck (32), and the neck (21) being engaged by clamping with the chuck (32) is formed on the seal (2).
4. spring manometer switching mechanism according to claim 1, it is characterised in that the limiting component (5) is close
One end of the spring (4) is provided with the first spring locating features, and the piston block (3) is provided with close to one end of the spring (4)
Second spring location structure.
5. spring manometer switching mechanism according to claim 4, it is characterised in that first spring locating features
To take shape in the positioning boss (52) on the limiting component (5), the second spring location structure is to take shape in the piston
Tube chamber (33) on block (3), the external diameter of the caliber and the spring (4) of the tube chamber (33) match, and the one of the spring (4)
End is enclosed on the positioning boss (52), and the other end is stretched into the tube chamber (33).
6. the spring manometer switching mechanism according to claim 4 or 5, it is characterised in that the limiting component (5) is
The set screw being screwed onto in the tubular shell (8), the side of the set screw outwardly, which has, to be beneficial to rotate the regulation spiral shell
The operating portion (51) of silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108075.1A CN107702826A (en) | 2017-11-10 | 2017-11-10 | Spring manometer switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711108075.1A CN107702826A (en) | 2017-11-10 | 2017-11-10 | Spring manometer switching mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107702826A true CN107702826A (en) | 2018-02-16 |
Family
ID=61178536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711108075.1A Pending CN107702826A (en) | 2017-11-10 | 2017-11-10 | Spring manometer switching mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107702826A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243529A (en) * | 2019-06-23 | 2019-09-17 | 南京沿途汽车用品有限公司 | It can be used for the spring pressure gauge of inflator pump |
| CN110389004A (en) * | 2018-04-18 | 2019-10-29 | 侨雄实业股份有限公司 | Pressure gauge |
| CN118032068A (en) * | 2024-04-11 | 2024-05-14 | 鸿舸半导体设备(上海)有限公司 | Venturi type mechanical flowmeter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305668Y (en) * | 1996-12-20 | 1999-01-27 | 吴清祥 | Improved driving member for pressure meter |
| CN201138264Y (en) * | 2007-12-14 | 2008-10-22 | 宁波隆兴焊割科技股份有限公司 | Bourdon tube pressure gauge |
| CN101968389A (en) * | 2009-07-27 | 2011-02-09 | 财团法人工业技术研究院 | Elasticity and displacement amount measuring device and method, application thereof |
| CN203191147U (en) * | 2013-04-17 | 2013-09-11 | 孙保定 | Gas pressure meter |
-
2017
- 2017-11-10 CN CN201711108075.1A patent/CN107702826A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2305668Y (en) * | 1996-12-20 | 1999-01-27 | 吴清祥 | Improved driving member for pressure meter |
| CN201138264Y (en) * | 2007-12-14 | 2008-10-22 | 宁波隆兴焊割科技股份有限公司 | Bourdon tube pressure gauge |
| CN101968389A (en) * | 2009-07-27 | 2011-02-09 | 财团法人工业技术研究院 | Elasticity and displacement amount measuring device and method, application thereof |
| CN203191147U (en) * | 2013-04-17 | 2013-09-11 | 孙保定 | Gas pressure meter |
Cited By (5)
| 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 |
| CN110243529A (en) * | 2019-06-23 | 2019-09-17 | 南京沿途汽车用品有限公司 | It can be used for the spring pressure gauge of inflator pump |
| CN118032068A (en) * | 2024-04-11 | 2024-05-14 | 鸿舸半导体设备(上海)有限公司 | Venturi type mechanical flowmeter |
| CN118032068B (en) * | 2024-04-11 | 2024-07-05 | 鸿舸半导体设备(上海)有限公司 | Venturi type mechanical flowmeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180216 |
|
| WD01 | Invention patent application deemed withdrawn after publication |