CN202119584U - Biogas pressure gauge assembly - Google Patents
Biogas pressure gauge assembly Download PDFInfo
- Publication number
- CN202119584U CN202119584U CN2011200834946U CN201120083494U CN202119584U CN 202119584 U CN202119584 U CN 202119584U CN 2011200834946 U CN2011200834946 U CN 2011200834946U CN 201120083494 U CN201120083494 U CN 201120083494U CN 202119584 U CN202119584 U CN 202119584U
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- biogas
- sealing column
- pressure gauge
- table assembly
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Abstract
A biogas pressure gauge assembly comprises a pressure gauge main body (1) and a pressure gauge joint (2), the pressure gauge main body (1) is connected with one end of the pressure gauge joint (2), a diaphragm type air pressure sensor is arranged inside the pressure gauge main body (1), the other end of the pressure gauge joint (2) is inserted into a central hole of a sealing pillar (5), and the sealing pillar (5) is connected with an interface of a threeway main body (3). The assembly is simple in structure, an elastic element of the air pressure sensor is an acid proof metal film which has a corrosion resisting effect on gases mixed in biogas, such as hydrogen sulfide; the pressure gauge joint is connected through the sealing pillar, through fastening and sealing a conical sealing ring and a locking nut, the good sealing effect can be reached; the assembly can be connected with different pipeline interfaces, the manufacturing cost is cheap, the assembling is convenient, and the assembly can be arranged before biogas products or on the biogas pipelines, and has good using effects.
Description
Technical field
The utility model relates to a kind of tensimeter assembly, relates in particular to a kind of biogas pressure table assembly.
Background technology
Biogas more and more receives people's attention as a kind of reproducible clean energy resource, use also more and more general, the biogas pressure table be biogas carry and use in very important assembly.The general volume of measurement mechanism that is used for micro pressure gas pressure both at home and abroad is all bigger, and it also be tensimeter that traditional measurement biogas pressure adopts U type glass tube or water column, and the liquid level difference through two fluid columns reads force value, and the numerical value demonstration is not directly perceived.After this dial type biogas pressure table is also arranged, and what its pressure transmission part adopted is rubber diaphragm, and measuring accuracy is not high, owing to be mixed with corrosive gas such as sulfuretted hydrogen in the biogas, is easy to make the aging corrosion of rubber diaphragm and tensimeter assembly thereof.And the connecting portion of traditional biogas pressure table and methane pipeline is not corrosion-resistant, and sealing property is not good after use a period of time, and serviceable life is shorter, and installing and replacing is inconvenient.
Like Chinese patent publication number: CN2531373Y; Open day: on January 15th, 2003; A kind of monolithic devices watchcase of diaphragm-type sewage gas pressuregage is disclosed; Comprise: cylindrical housings, hook, two screw hole posts, bellows connect pipe fitting and exterior tube joints, and its architectural feature is: hook, two screw hole posts, bellows connect pipe fitting and all are connected with the exterior tube joint and are fixed on the cylindrical housings, and the connected mode between them is on-dismountable connection; Be that this watchcase is a single piece, rather than the assembly parts of a plurality of detachable parts.Simultaneously since on the inwall of the middle and upper part of housing two screw hole posts of design, thereby saved the part metals web member, designed spigot-and-socket exterior tube joint, thereby saved a traditional metal threaded pipe adapter.But this device be tensimeter with exterior tube between the joint area complex structure that is connected; Impermeability after the sealing is relatively poor; Install and change inconvenient; Sensitive inadequately to the perception of air pressure change simultaneously, pressure transducer is corroded by biogas easily after the use long period, thereby influences the accuracy that tensimeter is measured biogas pressure.
Summary of the invention
The purpose of the utility model is not corrosion-resistant to existing biogas pressure table, assembling and is connected inconvenience, and sealing effectiveness is not good; Defective and deficiency that serviceable life is short provide a kind of simple in structure, assembling and easy to connect; Corrosion-resistant, the biogas pressure table assembly of good sealing effect.
For realizing above-mentioned purpose; The technical solution of the utility model is: biogas pressure table assembly comprises the tensimeter main body, pressure tapping; The tensimeter main body is connected with an end of pressure tapping; The tensimeter body interior is equipped with the diaphragm type baroceptor, and the other end of said pressure tapping inserts in the center pit on the sealing column, and said sealing column is connected with a interface on the threeway main body.
Described threeway main body is straight-through or reducing type structure, and each interface on the threeway main body all is provided with check nut, in three interfaces of threeway main body two with interface that biogas pipeline is connected in be provided with conical seal ring.
Said sealing column is provided with endoporus with the level, and the outside surface of big nose end has the frustum of a cone, and small bore end is inserted in the interface of threeway main body, and check nut compresses sealing column.
One end of said check nut is provided with step surface, and the inwall of step surface is pressing the outer cone surface of conical seal ring.
Said sealing columns and the binding site of socket is provided with a bottom filter, Kek mesh of stainless steel mesh, filter mesh diameter of 0.75 mm -0.95 mm.
Offer external thread on the outer round surface of one end of said sealing column, and match with the internal thread of an interface of threeway main body, the outside surface of the sealing column other end has the frustum of a cone.
Be fixed with on the said threeway external side of main body wall and install and fix the hole.
Said sealing column is processed by nitrile rubber.
Flexible member in the said diaphragm type baroceptor is acid proof stainless steel metal film.
The diameter in said socket joint hole is 10 millimeters-20 millimeters.
The beneficial effect of the utility model is:
1. the utility model is equipped with baroceptor in the tensimeter main body; The flexible member of baroceptor is acid proof metal film; The gases such as sulfuretted hydrogen that are mixed with in the biogas there is good corrosion-resistant effect; Improved the serviceable life and the safe reliability of instrument, filter screen can play filtration preferably to dust in the biogas and desulfurizing agent simultaneously.
2. the utility model is simple in structure; Adopt three way type to connect main body, the threeway main body can be connected with multiple different pipe interface, can either separately use; Also can make up use; And pressure tapping connects through sealing column, and with the mode of conical seal ring and check nut fit sealing, can reach good sealing effectiveness.
3. the utility model is cheap for manufacturing cost, and is easy to assembly, can be installed in methane product before, also can be installed in the methane pipeline, can be for a long time the air pressure of biogas be played measurement effect accurately.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of the utility model metal film.
Among the figure: tensimeter main body 1, pressure tapping 2, threeway main body 3, check nut 4, sealing column 5, filter screen 6, conical seal ring 7 installs and fixes hole 8, step surface 9, metal film 10.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is done further to describe in detail:
Referring to Fig. 1, Fig. 2; The biogas pressure table assembly of the utility model comprises tensimeter main body 1, pressure tapping 2; Tensimeter main body 1 is connected with an end of pressure tapping 2; Tensimeter main body 1 inside is equipped with the diaphragm type baroceptor, and the other end of said pressure tapping 2 inserts in the center pit on the sealing column 5, and said sealing column 5 is connected with a interface on the threeway main body 3.
Described threeway main body 3 is straight-through or reducing type structure, and each interface on the threeway main body 6 all is provided with check nut 4, in three interfaces of threeway main body 6 two with interface that biogas pipeline is connected in be provided with conical seal ring 7.
Said sealing column 5 is provided with endoporus with the level, and the outside surface of big nose end has the frustum of a cone, and small bore end is inserted in the interface of threeway main body 3, and check nut 4 compresses sealing column 5.
One end of said check nut 4 is provided with step surface 9, and the inwall of step surface 9 is pressing the outer cone surface of conical seal ring 7.
Said sealing pillar 5 and the bottom of the binding site of socket is provided with the filter 6, the filter 6 is a stainless steel Kek mesh, filter mesh diameter of 0.75 mm -0.95 mm.
Offer external thread on the outer round surface of one end of said sealing column 5, and match with the internal thread of 3 one interfaces of threeway main body, the outside surface of sealing column 5 other ends has the frustum of a cone.
Be fixed with on the lateral wall of said threeway main body 3 and install and fix hole 8.
Said sealing column 5 is processed by nitrile rubber.
Flexible member in the said diaphragm type baroceptor is acid proof stainless steel metal film 10.
The diameter in said socket joint hole is 10 millimeters-20 millimeters.
Tensimeter main body 1 is pointer dial plate structure, and tensimeter main body 1 is connected with an end of pressure tapping 2.The metal film 10 of sensor effect has been installed in the inside of tensimeter main body 1, and metal film 10 is the stainless steel metal film, has acid resistance preferably, and the gases such as sulfuretted hydrogen that are mixed with in the biogas are had corrosion-resistant effect.Sensitive to the air pressure change perception of biogas simultaneously, measure accurately.On the metal film 10 of baroceptor, baroceptor is delivered to gaseous tension on the pointer on the tensimeter main body 1 gaseous tension of biogas through the channeling in pipeline and the pressure tapping 2, and pointer is indicated corresponding air pressure numerical value.
One end of pressure tapping 2 is inserted in the center pit on the sealing column 5, and pressure tapping 2 is a hollow tubular structure, and pressure tapping 2 is provided with groove, and sealing column 5 is inserted in the socket joint hole of threeway main body 3.Also can be employed on the outer round surface of sealing column (5) one ends and offer external thread, offer internal thread in (3) interfaces of threeway main body, external thread matches with internal thread, and with check nut 4 sealing column 5 is compressed.
Sealing column 5 is processed by nitrile rubber, and the diameter in socket joint hole is 10 millimeters-20 millimeters.Bottom in the socket joint hole is provided with filter screen 6; Filter screen 6 is a stainless (steel) wire; Be used for dust and desulfurizing agent filtration to biogas; Can prevent effectively that dust and desulfurizing agent in the biogas from entering into damage tensimeter in the tensimeter main body 1 through threeway main body 3, prolonged manometric serviceable life.The lateral wall of threeway main body 3 is provided with and installs and fixes hole 8, can play fixation to tensimeter.
Referring to Fig. 1, the web member of pressure tapping 2 and biogas flexible pipe partly adopts threeway main body 3, can be connected with multiple different pipe interface, and threeway main body 3 is straight-through or reducing type structure.Each interface on threeway main body 3 all is provided with check nut 4; One end of check nut 4 is provided with step surface 9; There is an interface to be used for setting pressure table main body 1 in three interfaces of threeway main body 6; Be connected through sealing column 5 between this interface and the pressure tapping 2, sealing column 5 is the rubber cylinder that an end has the frustum of a cone, and step surface 9 inwalls of check nut 4 are pressing the frustum of a cone outside surface of sealing column 5.Other two interfaces are used for being connected with biogas pipeline, on these two interfaces conical seal ring 7 are installed.Check nut 4 is enclosed within the outside of conical seal ring 7, and the inwall of step surface 9 is pressing the outer cone surface of conical seal ring 7, and conical seal ring 7 compresses after screwing through check nut 4, can reach the better seal effect like this.
The tensimeter main body 1 of the utility model can be connected the back combination through pressure tapping 2 with threeway main body 3 and use; Also can separately use; When tensimeter main body 1 makes up use with threeway main body 3; An interface in the threeway main body 3 is connected with tensimeter main body 1 through pressure tapping 2, and two other interface of threeway main body 3 is connected with biogas pipeline respectively.Opened in 3 minutes when using when tensimeter main body 1 and threeway main body, only need the biogas flexible pipe directly is socketed in the pressure tapping 2 and get final product, assembling connects very convenient easily.
Claims (8)
1. biogas pressure table assembly; Comprise tensimeter main body (1); Pressure tapping (2), tensimeter main body (1) is connected with an end of pressure tapping (2), and tensimeter main body (1) inside is equipped with the diaphragm type baroceptor; It is characterized in that: the other end of said pressure tapping (2) inserts in the center pit on the sealing column (5), and said sealing column (5) is connected with a interface on the threeway main body (3).
2. biogas pressure table assembly according to claim 1; It is characterized in that: described threeway main body (3) is straight-through or reducing type structure; Each interface on the threeway main body (3) all is provided with check nut (4), in three interfaces of threeway main body (3) two with interface that biogas pipeline is connected in be provided with conical seal ring (7).
3. biogas pressure table assembly according to claim 1; It is characterized in that: said sealing column (5) is provided with endoporus with the level; The outside surface of big nose end has the frustum of a cone, and small bore end is inserted in the interface of threeway main body (3), and check nut (4) compresses sealing column (5).
4. biogas pressure table assembly according to claim 1 is characterized in that: an end of said check nut (4) is provided with step surface (9), and the inwall of step surface (9) is pressing the outer cone surface of conical seal ring (7).
5. biogas pressure table assembly according to claim 1; It is characterized in that: offer external thread on the outer round surface of an end of said sealing column (5); And match with the internal thread of (3) interfaces of threeway main body, the outside surface of sealing column (5) other end has the frustum of a cone.
6. biogas pressure table assembly according to claim 1 is characterized in that: be fixed with on the lateral wall of said threeway main body (3) and install and fix hole (8).
7. biogas pressure table assembly according to claim 1 is characterized in that: said sealing column (5) is processed by nitrile rubber.
8. biogas pressure table assembly according to claim 1 is characterized in that: the flexible member in the said diaphragm type baroceptor is an acid proof stainless steel metal film (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200834946U CN202119584U (en) | 2011-03-28 | 2011-03-28 | Biogas pressure gauge assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200834946U CN202119584U (en) | 2011-03-28 | 2011-03-28 | Biogas pressure gauge assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119584U true CN202119584U (en) | 2012-01-18 |
Family
ID=45460640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200834946U Expired - Fee Related CN202119584U (en) | 2011-03-28 | 2011-03-28 | Biogas pressure gauge assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202119584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345021A (en) * | 2015-07-23 | 2017-01-25 | 北京谊安医疗系统股份有限公司 | Connecting piece for flow sensor of breathing machine |
| CN109029834A (en) * | 2018-07-27 | 2018-12-18 | 宁波新邦工具有限公司 | A kind of pressure gauge |
-
2011
- 2011-03-28 CN CN2011200834946U patent/CN202119584U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345021A (en) * | 2015-07-23 | 2017-01-25 | 北京谊安医疗系统股份有限公司 | Connecting piece for flow sensor of breathing machine |
| CN106345021B (en) * | 2015-07-23 | 2019-04-16 | 北京谊安医疗系统股份有限公司 | A kind of connector of the flow sensor for ventilator |
| CN109029834A (en) * | 2018-07-27 | 2018-12-18 | 宁波新邦工具有限公司 | A kind of pressure gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20130328 |