CN207439600U - Automobile pressure table - Google Patents
Automobile pressure table Download PDFInfo
- Publication number
- CN207439600U CN207439600U CN201721328676.9U CN201721328676U CN207439600U CN 207439600 U CN207439600 U CN 207439600U CN 201721328676 U CN201721328676 U CN 201721328676U CN 207439600 U CN207439600 U CN 207439600U
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- tube
- section
- copper
- bourdon
- copper tube
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Abstract
The utility model provides a kind of automobile pressure table, includes spring tube assembly, core part, indicating members and shell；The spring tube assembly includes bourdon tube, copper tube and connector, and installation is fixed inside the housing by stent in the spring tube assembly；Copper tube is connected between bourdon tube and connector, and connector is used to connect external testing pressure source；Wherein, the copper tube includes bending circular pipe section and flat tube section, and the outer end of the bending circular pipe section of copper tube connects the connector, and the outer end of copper tube flat tube section connects the bourdon tube.When copper tube and bourdon tube dock, reaming is not required, straight line pipeline section at reaming will not be formed, therefore, copper tube and bourdon tube are completely embedded, it is ensured that indicating members instruction is accurate, ensures the accuracy of measured pressure value.
Description
Technical field
The utility model is related to manometer technical field, more particularly to a kind of automobile pressure table.
Background technology
Automobile pressure table generally includes to be made of spring tube assembly, core part, indicating members and shell.Such as Fig. 1, the bullet
Reed pipe component is made of bourdon tube 1, copper tube 2 and connector 4, which is fixed by stent 3 mounted on shell
It is internal.Copper tube 2 is connected between bourdon tube 1 and connector 4, and connector 4 is used to connect external testing pressure source, works as measured medium
Pressure be applied to by connector 4, after copper tube 2 on bourdon tube 1, bourdon tube 1 generates a deformation, passes to movement portion
Part using the work of core part driving indicating members, makes the pressure to be measured clearly be indicated on dial.It is existing
Some automobile pressure tables, as shown in Figures 1 to 4, copper tube 2 are formed using the bending circular pipe of a uniform internal diameter, 2 both ends of copper tube point
Other jointing 4 and bourdon tube 1, bourdon tube 1 use the radial direction of generally the elliptical tube structure, i.e. bourdon tube 1 of circular arc cylinder
Section is flat ellipse, and in order to ensure the needs of structural support, the outer diameter of copper tube 2 is more than the width of 1 radial section of bourdon tube
Degree.In order to connect copper tube 2 and bourdon tube 1, as shown in Fig. 3 a, 3b, it is necessary to leading in bourdon tube with the metal bar thicker than red copper
Reaming 11 is produced, copper tube 2 could be injected and soldering closing is carried out in reaming 11.And due to bourdon tube reaming after, due to work
The reason for skill, counterbored area formed straight line pipeline section 12, and bourdon tube 1 can not recover perfectly round arc cylindrical shape, cause indicating members
Instruction generates accuracy error, causes the situation of read untrue, is not easy adjustment pressure gauge accuracy.
The content of the invention
The purpose of this utility model is to provide a kind of automobile pressure table, it can ensure the accuracy of measured pressure value.
The utility model is achieved through the following technical solutions：
Automobile pressure table includes spring tube assembly, core part, indicating members and shell；The spring tube assembly bag
Bourdon tube, copper tube and connector are included, installation is fixed inside the housing by stent in the spring tube assembly；Copper tube connects
It is connected between bourdon tube and connector, connector is used to connect external testing pressure source；Wherein, the copper tube includes bending circular pipe
Section and flat tube section, the outer end of the bending circular pipe section of copper tube connect the connector, the outer end connection institute of copper tube flat tube section
State bourdon tube.
Further, the width dimensions of the copper tube flat tube section are less than the outer diameter of the bending circular pipe section of copper tube, red copper
The height dimension of pipe flat tube section is more than the outer diameter of the bending circular pipe section of copper tube.
Further, the bourdon tube uses the footpath of generally the elliptical tube structure, i.e. bourdon tube of circular arc cylindrical shape
It is flat ellipse to section, the width of copper tube flat tube section is less than the width of bourdon tube radial section, the height of copper tube flat tube section
Degree is less than the height of bourdon tube radial section.
Further, the flat tube section of the copper tube integrally uses circular arc cylindrical structure.
Further, the flat tube section of the copper tube is identical with the cambered surface curvature of bourdon tube.
The beneficial effects of the utility model are as follows：
The automobile pressure table of the utility model, due to including spring tube assembly, core part, indicating members and shell；
The spring tube assembly includes bourdon tube, copper tube and connector, and the spring tube assembly is fixed by stent to be mounted on
Enclosure；Copper tube is connected between bourdon tube and connector, and connector is used to connect external testing pressure source；Wherein, it is described
Copper tube includes bending circular pipe section and flat tube section, and the outer end of the bending circular pipe section of copper tube connects the connector, and copper tube is flat
The outer end of pipeline section connects the bourdon tube.When copper tube and bourdon tube dock, reaming is not required, straight line at reaming will not be formed
Pipeline section, therefore, copper tube and bourdon tube are completely embedded, it is ensured that indicating members instruction is accurate, ensures the accuracy of measured pressure value.
Description of the drawings
Fig. 1 is the bourdon tube component structure diagram of prior art automobile pressure table；
Fig. 2 a are the copper tube structure diagram of prior art automobile pressure table；
Fig. 2 b are the copper tube bending structure schematic diagram of prior art automobile pressure table；
Fig. 3 a are the bourdon tube straight line pipe segment structure schematic diagram of prior art automobile pressure table；
Fig. 3 b are the bourdon tube expanding structure schematic diagram of prior art automobile pressure table；
Fig. 4 is the bourdon tube of prior art automobile pressure table and copper tube attachment structure schematic diagram；
Fig. 5 is the bourdon tube component structure diagram of the utility model automobile pressure table；
Fig. 6 a are the copper tube structure diagram of the utility model automobile pressure table；
Fig. 6 b are the copper tube flat tube section structure diagram of the utility model automobile pressure table；
Fig. 7 is the bourdon tube of the utility model automobile pressure table and copper tube attachment structure schematic diagram.
Reference sign：
1st, bourdon tube, 2, copper tube, 3, stent, 4, connector, 21, the flat tube section of copper tube.
Specific embodiment
In order to solve the problems, such as that existing pressure gauge uses rear read untrue for a long time, it is proposed that a kind of automobile pressure
Table as shown in Figures 5 to 7, includes：Spring tube assembly, core part, indicating members and shell；The spring tube assembly bag
Bourdon tube 1, copper tube 2 and connector 4 are included, installation is fixed inside the housing by stent 3 in the spring tube assembly；Red copper
Pipe 2 is connected between bourdon tube 1 and connector 4, and connector 4 is used to connect external testing pressure source；Wherein, the copper tube 2 wraps
Bending circular pipe section and flat tube section 21 are included, the outer end of the bending circular pipe section of copper tube 2 connects the connector 4, the flat tube of copper tube
The outer end of section 21 connects the bourdon tube 1.
Further, the width dimensions of the flat tube section 21 of the copper tube are less than the outer diameter of the bending circular pipe section of copper tube 2,
The height dimension of the flat tube section 21 of copper tube is more than the outer diameter of the bending circular pipe section of copper tube 2.
Further, the elliptical tube structure of the use of bourdon tube 1 generally circular arc cylindrical shape, i.e. bourdon tube 1
Radial section is flat ellipse, and the width of the flat tube section 21 of copper tube is less than the width of 1 radial section of bourdon tube, copper tube it is flat
The height of pipeline section 21 is less than the height of 1 radial section of bourdon tube.
Further, the flat tube section 21 of the copper tube is whole uses circular arc cylindrical structure.
Further, the flat tube section 21 of the copper tube and the cambered surface curvature of bourdon tube 1 are identical.
Further, the flat tube section 21 of the copper tube is to utilize to suppress with the idler wheel of radian with bourdon tube 1.
The automobile pressure table of the utility model, 2 endoporus of copper tube, which retains enough gaps, can ventilate into bourdon tube 1, simultaneously
Also it can be inserted into bourdon tube 1, keep perfect arc structure, it is ensured that pressure gauge linear precision is good, and easy adjustment pressure gauge is accurate
Property.
The automobile pressure table of the utility model, connector 4 can coordinate different sensor or pipeline, be 270 available for angle
Degree and 90 degree of indicating mode can be for monitoring the water-thermometer of water tank temperature, the oil temperature gauge for monitoring oil temperature, monitoring engine
The oil pressure gauge of lubricating oil pressure, turbo boost pressure table, vacuum meter, the jet engine for monitoring turbocharged engine
Fuel pressure gauge etc., this automobile pressure table structure is simple, is passed when manometer connector connects tracheae, oil pipe and water-thermometer
Cold coal steam pressure in sensor can penetrate bourdon tube stress modification.270 degree of instrument utilize movement amplification instruction angle, 90 degree of instrument
Table is transferred to the function of pointer instruction engine using phosphor-bronze wire, can react engine failure in time, be arranged in time at failure initial stage
Except preventing engine from seriously damaging and unexpected occur.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.For example, different structure may be employed in stent 3, connector 4 has different tooth lines；Therefore, this reality
It should be determined by the appended claims with the protection domain of new patent.
Claims (6)
1. automobile pressure table, includes：Spring tube assembly, core part, indicating members and shell；The spring tube assembly includes
There are bourdon tube (1), copper tube (2) and connector (4), installation is fixed inside the shell by stent (3) in the spring tube assembly
Portion；Copper tube (2) is connected between bourdon tube (1) and connector (4), and connector (4) is used to connect external testing pressure source；It is special
Sign is that the copper tube (2) includes bending circular pipe section and flat tube section (21), the outer end of the bending circular pipe section of copper tube (2)
The connector (4) is connected, the outer end of the flat tube section (21) of copper tube connects the bourdon tube (1).
2. automobile pressure table according to claim 1, which is characterized in that the broad-ruler of the flat tube section (21) of the copper tube
The outer diameter of the very little bending circular pipe section less than copper tube (2), the height dimension of the flat tube section (21) of copper tube are more than copper tube (2)
The outer diameter of bending circular pipe section.
3. automobile pressure table according to claim 2, which is characterized in that the bourdon tube (1) is using generally circular arc column
The elliptical tube structure of face shape, the i.e. radial section of bourdon tube (1) be flat ellipse, the width of the flat tube section (21) of copper tube
Less than the width of bourdon tube (1) radial section, the height of the flat tube section (21) of copper tube is less than the height of bourdon tube (1) radial section
Degree.
4. automobile pressure table according to claim 3, which is characterized in that the flat tube section (21) of the copper tube integrally uses
Circular arc cylindrical structure.
5. automobile pressure table according to claim 4, which is characterized in that the flat tube section (21) and bourdon tube of the copper tube
(1) cambered surface curvature is identical.
6. automobile pressure table according to claim 4, which is characterized in that the flat tube section (21) of the copper tube be using with
Bourdon tube (1) is suppressed with the idler wheel of radian.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720825268 | 2017-07-07 | ||
| CN2017208252688 | 2017-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439600U true CN207439600U (en) | 2018-06-01 |
Family
ID=62292406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721328676.9U Active CN207439600U (en) | 2017-07-07 | 2017-10-13 | Automobile pressure table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207439600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163823A (en) * | 2022-06-09 | 2022-10-11 | 河钢股份有限公司承德分公司 | Device and method for measuring oil pressure of combined speed regulator |
-
2017
- 2017-10-13 CN CN201721328676.9U patent/CN207439600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163823A (en) * | 2022-06-09 | 2022-10-11 | 河钢股份有限公司承德分公司 | Device and method for measuring oil pressure of combined speed regulator |
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| GR01 | Patent grant |