CN203024926U - Protecting component of axial pressure gauge for pipeline in low temperature environment - Google Patents
Protecting component of axial pressure gauge for pipeline in low temperature environment Download PDFInfo
- Publication number
- CN203024926U CN203024926U CN 201220688895 CN201220688895U CN203024926U CN 203024926 U CN203024926 U CN 203024926U CN 201220688895 CN201220688895 CN 201220688895 CN 201220688895 U CN201220688895 U CN 201220688895U CN 203024926 U CN203024926 U CN 203024926U
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- CN
- China
- Prior art keywords
- pressure gauge
- tensimeter
- oil
- bushing
- steel ball
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- Expired - Fee Related
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Abstract
The utility model relates to a protecting component of a mechanical axial pressure gauge for detecting pressure of a medium delivery pipeline in an outdoor low temperature environment. The protecting component comprises a pressure gauge protecting shell, a bushing, an oil-proof rubber tube, a steel ball and a limit nut, wherein the pressure gauge protecting shell is a drum which is internally provided with a pressure gauge head; a center hole is formed in the bottom of the drum; rain discharge holes are symmetrically formed in the two sides of the center hole; the bushing is a cylinder body with a runner hole in the center; the top of the cylinder body is provided with a hexagonal nut; the oil-proof rubber tube is arranged in the runner hole; the steel ball is arranged in the oil-proof rubber tube; the lower end of the oil-proof rubber tube is provided with the limit nut which is connected with the runner hole; a pressure conducting threaded tube on the pressure gauge penetrates through the center hole and is connected with the runner hole of the bushing; the lower end of the pressure conducting threaded tube is in contact with the oil-proof rubber tube; and a runner between the steel ball and the pressure gauge is internally filled with anti-freezing oil. The protecting component has anti-freezing, anti-theft and anti-smashing functions and the like.
Description
Technical field
The utility model relates to a kind of tensimeter protection assembly, is applied to specifically under outdoor low temperature environment, and the medium transport line pressure detects the mechanical type pressure gauge with back connection protection assembly of use, antifreeze, antitheft, the anti-function such as pound that this assembly possesses.
Background technology
When the liquid transmission pipeline that is in outdoor environment is done pressure detection, need to fixedly mount tensimeter on pipeline.Disperse to be difficult for supervision owing to installing, there is quick detachable loss problem in tensimeter as standard component; Conventional pressure gauge housing structure is more fragile, is easily broken, smashes; Under the winter low temperature condition, need that also tensimeter is done insulation and process, otherwise can tensimeter is freezing malfunctioning, freeze tensimeter as signal piping and also can be out of shape because of media expansion and scrap.
Summary of the invention
In order to solve manometric antifreeze, antitheft, anti-problem of pounding, the utility model provides a kind of low temperature environment lower pipeline pressure gauge with back connection protection assembly.This assembly has antifreeze, antitheft, the anti-function such as pound of the mechanical type pressure gauge with back connection that prevents on the medium transport pipeline; be applicable under the outdoor low temperature environment of northern High-cold regions, can effectively protect mechanical type pressure gauge with back connection on all kinds of low freezing point profit class medium transport pipelines.
Technical solutions of the utility model: the antifreeze pressure gauge with back connection assembly of a kind of low temperature environment lower pipeline, comprise the tensimeter protective case, described assembly also comprises bushing, oil resistant rubber pipe, steel ball and limit screw cap, described tensimeter protective case is the drum of built-in pressure gauge outfit, bucket is provided with center pit in the end, and the symmetria bilateralis of center pit is provided with row's rain hole; Be provided with the right cylinder in runner hole centered by described bushing, cylindrical top is with hexagonal nuts, the built-in oil resistant rubber pipe in described runner hole, and the oil resistant rubber pipe is built-in with steel ball, and the lower end of oily rubber tube is the limit screw cap that is connected with the runner hole; Be connected and the impulse threaded line pipe on tensimeter passes the runner hole of center pit and bushing, and the lower end of impulse threaded line pipe contacts with the oil resistant rubber pipe; Above-mentioned tensimeter pressure measuring cavity is filled with noncongeable oil to the runner cavity between steel ball.
Above-mentioned hexagonal nuts external diameter is greater than the aperture of center pit on the tensimeter protective case, and is positioned at the outside at the bottom of protective case, and inboard on the other side is equipped with the wear-resistant pad that is through pressure guiding pipe top.
In above-mentioned bushing cylindrical outside surface is with external thread, and the inwall in runner hole is with internal thread.
[0007]The beneficial effects of the utility model: in such scheme, owing to adopting contacting of noncongeable oil and pumped (conveying) medium in steel ball isolated pressure table pressure measuring cavity, can avoid the low freezing point media such as profit to enter tensimeter pressure measuring cavity freeze damage tensimeter, even medium transport pipeline generation frozen block accident, the frost heave damaged condition because can not occur with the medium isolation in tensimeter; This tensimeter protection modular construction is fit to adopt the mounting means in pressure measurement source, can utilize to greatest extent the temperature conduction in pressure measurement source, reduces temperature drift to the impact of tensimeter precision.Adopt thickening outer protecting shell mode to protect pressure gauge with back connection can avoid general job and artificial destruction to manometric damage, have the anti-function of pounding.The design of outer protecting shell for can arbitrarily rotating, and assembly is minimum for the bayonet socket peak width of dismounting, adopts monkey wrench, fork spanner and the pipe wrench of standard all can't dismantle this assembly, thus avoid theft.Noncongeable oil in antifreeze pressure gauge with back connection assembly is because service time is long or the sealing reason is oozed out, leaked; steel ball can move to tensimeter impulse screwed pipe joint place and direct stuck pressure guiding pipe joint; can avoid medium to infiltrate in the tensimeter pressure measuring cavity, thereby the protection tensimeter is not damaged.This assembly is applicable under the outdoor low temperature environment of northern High-cold regions, all kinds of low freezing point profit class medium transport line pressures is detected the conscientious protection of mechanical type pressure gauge with back connection of use, possesses antifreeze, antitheft, the anti-function such as pound.
Description of drawings
Fig. 1 is structural representation of the present utility model.
1-tensimeter protective case in figure, 2-row rain hole, 3-center pit, 4-bushing, 5-hexagonal nuts, the 6-external thread, 7-runner hole, 8-internal thread, 9-oil resistant rubber pipe, 10-steel ball, the 11-limit screw cap, 12-tensimeter, 13-impulse threaded line pipe, 14-wear-resistant pad, 15-tensimeter base.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, this low temperature environment lower pipeline pressure gauge with back connection protection assembly comprises tensimeter protective case 1, also comprise bushing 4, oil resistant rubber pipe 9, steel ball 10 and limit screw cap 11, described tensimeter protective case 1 is the drum of built-in pressure gauge outfit, the bucket end, be provided with center pit 3, be used for passing the impulse threaded line pipe 13 on pressure gauge with back connection 12, the symmetria bilateralis of center pit 3 is provided with row rain hole 2, the row's rain hole during as this assembly of at right angle setting; Be provided with the right cylinder in runner hole 7 centered by described bushing 4, the inwall in described runner hole 7 is with connecting internal thread 8, be used for being fixedly connected with impulse threaded line pipe 13 on tensimeter, cylindrical outside surface is with connecting external thread 6, be used for being fixedly connected with pipeline, cylindrical top is dismantled this bushing 4 with hexagonal nuts 5 for spanner; The built-in oil resistant rubber pipe 9 in described runner hole 7, oil resistant rubber pipe 9 is built-in with steel ball 10, and there is the limit screw cap 11 that is threaded with runner hole 7 lower end of oil resistant rubber pipe 9, prevents that steel ball 10 from deviating from; And the impulse threaded line pipe 13 on tensimeter passes the runner hole 7 of center pit 3 and bushing 4 and is threaded, and make tensimeter 12 fixing with bushing 4, and the lower end of impulse threaded line pipe 13 contacts with oil resistant rubber pipe 9.
Above-mentioned tensimeter pressure measuring cavity is filled with noncongeable oil to the runner cavity between steel ball 10.
In addition, the external diameter of above-mentioned hexagonal nuts 5 is greater than the aperture of center pit 3 on tensimeter protective case 1, and is positioned at the outside at the bottom of the tensimeter protective case, and inboard on the other side is equipped with the wear-resistant pad 14 that is through pressure guiding pipe 13 tops, better limits the position of pressure gauge outfit.
Be arranged on the medium transport pipeline after the built-in mechanical type pressure gauge with back connection of this assembly, in assembly, the diameter of steel ball 10 is greater than the internal diameter of rubber tube 9, thereby formation annular seal interface between rubber tube and steel ball, intercept contacting of pumped (conveying) medium and noncongeable oil, can avoid the low freezing point media such as profit to enter tensimeter pressure measuring cavity freeze damage tensimeter.The stress reaction of pipeline internal medium makes steel ball that stressed movement occur on steel ball, and same thrust is added on noncongeable oil in runner, and noncongeable oil promotes the tensimeter pressure elements and gear mechanism work shows the current pressure value.Signal piping generation superpressure causes the noncongeable oil generation leakage flow in tensimeter outrange or tensimeter to be missed the season, and steel ball can move to the top of oil resistant rubber pipe 9, and stuck tensimeter import avoids damaging tensimeter.
This assembly is as follows with manometric installation method: tensimeter protective case 1 and bushing are corresponding Shang Xia 4, fill with noncongeable oil in pressure gauge with back connection 12 pressure measuring cavities with dimension, after penetrating wear-resistant pad 14, insert in tensimeter protective case 1, tensimeter impulse threaded line pipe 13 passes center pit 3, directly the internal thread 8 with bushing 4 inner flow passage hole inwalls is connected, on carry tensimeter protective case 1 and make tensimeter protective case 1 and bushing 4 gap occur, expose tensimeter base 15, ultra-thin special dismounting spanner is inserted in the gap and snaps in tensimeter base 15, tensimeter 12 firmly is connected with bushing 4; Then be inverted tensimeter and assembly, fill in oil resistant rubber pipe 9 in the runner hole 7 and make itself and 13 times end in contact of tensimeter impulse threaded line pipe, fill with noncongeable oil to overflowing in oil resistant rubber pipe 9 and tensimeter pressure measuring cavity, steel ball 10 is embedded in rubber tube 9,7 lower end inwardly screws in hollow limit screw cap 11 to the fastening assembled of namely completing in the runner hole, then utilizes the external thread in bushing 4 to be fixed on the pressure measurement pipeline.
This assembly is applicable under the outdoor low temperature environment of northern High-cold regions, all kinds of low freezing point profit class medium transport line pressures is detected the mechanical type pressure gauge with back connection of use and protects, and possesses antifreeze, antitheft, the anti-function such as pound.
Claims (3)
1. a low temperature environment lower pipeline pressure gauge with back connection is protected assembly, comprise tensimeter protective case (1), it is characterized in that: described assembly also comprises bushing (4), oil resistant rubber pipe (9), steel ball (10) and limit screw cap (11), described tensimeter protective case (1) is the drum of built-in pressure gauge outfit, the bucket end, be provided with center pit (3), and the symmetria bilateralis of center pit (3) is provided with row rain hole (2); Be provided with the right cylinder in runner hole (7) centered by described bushing (4), cylindrical top is with hexagonal nuts (5), the built-in oil resistant rubber pipe in described runner hole (7) (9), oil resistant rubber pipe (9) is built-in with steel ball (10), and the lower end of oil resistant rubber pipe (9) is the limit screw cap (11) that is connected with runner hole (7); Be connected with the runner hole (7) of bushing (4) and the impulse threaded line pipe (13) on tensimeter passes center pit (3), and the lower end of impulse threaded line pipe (13) contacts with oil resistant rubber pipe (9); Above-mentioned tensimeter pressure measuring cavity is filled with noncongeable oil to the runner cavity between steel ball (10).
2. low temperature environment lower pipeline pressure gauge with back connection according to claim 1 is protected assembly; it is characterized in that: above-mentioned hexagonal nuts (5) external diameter is greater than the aperture of the upper center pit (3) of tensimeter protective case (1); and be positioned at the outside at the bottom of tensimeter protective case bucket, inboard on the other side is equipped with the wear-resistant pad (14) that is through pressure guiding pipe (13) top.
3. low temperature environment lower pipeline pressure gauge with back connection according to claim 1 is protected assembly, it is characterized in that: the upper cylindrical outside surface of above-mentioned bushing (4) is with external thread (6), and the inwall in runner hole (7) is with internal thread (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688895 CN203024926U (en) | 2012-12-13 | 2012-12-13 | Protecting component of axial pressure gauge for pipeline in low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688895 CN203024926U (en) | 2012-12-13 | 2012-12-13 | Protecting component of axial pressure gauge for pipeline in low temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203024926U true CN203024926U (en) | 2013-06-26 |
Family
ID=48648905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220688895 Expired - Fee Related CN203024926U (en) | 2012-12-13 | 2012-12-13 | Protecting component of axial pressure gauge for pipeline in low temperature environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203024926U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181226A (en) * | 2015-05-21 | 2015-12-23 | 安徽华茂纺织股份有限公司 | Maintainable pressure gauge of spooler |
| GB2544308A (en) * | 2015-11-12 | 2017-05-17 | Chuan Jiing Entpr Co Ltd | Apparatus for replacing coolant for vehicle |
-
2012
- 2012-12-13 CN CN 201220688895 patent/CN203024926U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181226A (en) * | 2015-05-21 | 2015-12-23 | 安徽华茂纺织股份有限公司 | Maintainable pressure gauge of spooler |
| GB2544308A (en) * | 2015-11-12 | 2017-05-17 | Chuan Jiing Entpr Co Ltd | Apparatus for replacing coolant for vehicle |
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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: 20130626 Termination date: 20201213 |