CN110440038A - The current limliting security component of gas pipeline system - Google Patents
The current limliting security component of gas pipeline system Download PDFInfo
- Publication number
- CN110440038A CN110440038A CN201910767743.4A CN201910767743A CN110440038A CN 110440038 A CN110440038 A CN 110440038A CN 201910767743 A CN201910767743 A CN 201910767743A CN 110440038 A CN110440038 A CN 110440038A
- Authority
- CN
- China
- Prior art keywords
- pipeline system
- current limliting
- bracket
- gas pipeline
- security component
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 43
- 239000000567 combustion gas Substances 0.000 abstract description 17
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 206010020852 Hypertonia Diseases 0.000 abstract description 2
- 239000002737 fuel gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The present invention relates to combustion gas pipe fitting fields, relate to a kind of current limliting security component of gas pipeline system, its sealing ring is connected to the inner sidewall of spool accommodating chamber, adjusting rod can slide on bracket, seal disc is located at the end of adjusting rod, elastic component is connected to bracket and adjusting rod, seal disc moves under the elastic force effect of elastic component away from sealing ring, when the gaseous-pressure of inlet chamber increases, combustion gas pushes seal disc to move towards sealing ring, the gas flow for flowing through the component is constant always, ensure that gas utensil is in full combustion state always, when the gaseous-pressure overrate of inlet chamber, combustion gas pushes seal disc to move and it is made to be connected to sealing ring, the combustion gas of hypertonia is avoided to damage gas utensil and lead to gas leakage.
Description
Technical field
The present invention relates to combustion gas pipe fitting fields, more particularly to a kind of current limliting security component of gas pipeline system.
Background technique
Existing gas utensil generally to the pressure of combustion gas have certain requirement, as gas utensil under a certain gaseous-pressure energy
Enough enter full combustion state, the burning efficiency highest of gas utensil under the state.And when gaseous-pressure has exceeded the volume of gas utensil
When determining gaseous-pressure, gas utensil is not only unable to fully burn, or even there is also the failures such as flame-out, gas leakage, easily leads to combustion gas
Situations such as leakage explosion, personnel's poisoning.However, current gas utensil lacks a kind of dress that can carry out current limliting to gaseous-pressure
It sets.
Summary of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of current limliting security component of gas pipeline system, with
Solve the problems, such as that existing gas utensil can not carry out current limliting to gaseous-pressure.
Based on this, the present invention provides a kind of current limliting security component of gas pipeline system, including ontology and current-limiting valve core,
It is equipped in the ontology and is sequentially connected logical inlet chamber, spool accommodating chamber and discharge chamber, the current-limiting valve core includes sealing ring, branch
Frame, adjusting rod, elastic component and seal disc, the sealing ring are connected to the inner sidewall of the spool accommodating chamber, the bracket connection
In the ontology, and the adjusting rod is connected with bracket slide, the both ends of the elastic component be connected to the adjusting rod and
Bracket, the end of the adjusting rod are connected to the seal disc, and the seal disc deviates under the elastic force effect of the elastic component
The sealing ring movement.
Preferably, the bracket is equipped with the guiding inner hole being coaxially disposed with the spool accommodating chamber, the adjusting
Bar is slideably arranged in the guiding inner hole.
Preferably, offering relief hole on the seal disc.
Preferably, the inner sidewall of the spool accommodating chamber is equipped with along its spool mounting groove circumferentially, it is described
The end of bracket is embedded in the spool mounting groove.
Preferably, further include stop collar, the side of the spool mounting groove runs through the inlet chamber, and it is described into
The internal diameter of air cavity is greater than the internal diameter of the spool mounting groove, makes have step between the inlet chamber and spool mounting groove, described
Stop collar is located in the inlet chamber and the two is flexibly connected, and the end face of the stop collar is connected to the air inlet side of the bracket,
The exhaust side of the bracket is connected to the inner sidewall of the spool mounting groove.
Preferably, the inner sidewall of the inlet chamber is equipped with internal screw thread.
Preferably, being equipped with groove positioned at the end face of its air inlet side on the stop collar, the groove is along the limit
The radial arrangement of position ring.
Preferably, being additionally provided on the inner sidewall of the spool accommodating chamber along its sealing limiting slot circumferentially, institute
The exhaust side that sealing limiting slot is located at the seal disc is stated, the sealing ring is embedded in the sealing limiting slot.
Preferably, being round-corner transition between the end face and inner sidewall of the sealing ring.
Preferably, the lateral wall of the exhaust end of the ontology is equipped with external screw thread.
The current limliting security component of gas pipeline system of the invention, sealing ring are connected to the inner sidewall of spool accommodating chamber,
Adjusting rod can slide on bracket, and seal disc is located at the end of adjusting rod, and elastic component is connected to bracket and adjusting rod, close
Closing disk moves under the elastic force effect of elastic component away from sealing ring, and when the gaseous-pressure of inlet chamber increases, combustion gas pushes sealing
Disk is moved towards sealing ring, and the gas flow for flowing through the component is constant always, it is ensured that and gas utensil is in full combustion state always,
When the gaseous-pressure overrate of inlet chamber, combustion gas pushes seal disc to move and it is made to be connected to sealing ring, avoids pressure
Excessively high combustion gas damages gas utensil and leads to gas leakage.
Detailed description of the invention
Fig. 1 is the current-limiting valve core open state signal of the current limliting security component of the gas pipeline system of the embodiment of the present invention
Figure；
Fig. 2 is the current-limiting valve core closed state signal of the current limliting security component of the gas pipeline system of the embodiment of the present invention
Figure；
Fig. 3 is the external structure schematic diagram of the ontology of the current limliting security component of the gas pipeline system of the embodiment of the present invention；
Fig. 4 is the schematic diagram of internal structure of the ontology of the current limliting security component of the gas pipeline system of the embodiment of the present invention；
Fig. 5 is the cross-section structure signal of the current-limiting valve core of the current limliting security component of the gas pipeline system of the embodiment of the present invention
Figure；
Fig. 6 is the stereochemical structure signal of the current-limiting valve core of the current limliting security component of the gas pipeline system of the embodiment of the present invention
Figure；
Fig. 7 is the structural schematic diagram of the sealing ring of the current limliting security component of the gas pipeline system of the embodiment of the present invention；
Fig. 8 is the schematic elevation view of the stop collar of the current limliting security component of the gas pipeline system of the embodiment of the present invention；
Fig. 9 is the cross-section structure signal of the stop collar of the current limliting security component of the gas pipeline system of the embodiment of the present invention
Figure；
Figure 10 is the schematic elevation view of the seal disc of the current limliting security component of the gas pipeline system of the embodiment of the present invention；
Figure 11 is the cross-section structure signal of the seal disc of the current limliting security component of the gas pipeline system of the embodiment of the present invention
Figure.
Wherein, 1, ontology；11, inlet chamber；111, internal screw thread；12, spool accommodating chamber；121, spool mounting groove；122, close
Seal limiting slot；13, discharge chamber；14, step；15, external screw thread；2, current-limiting valve core；21, sealing ring；22, bracket；221, supporter；
221a, guiding inner hole；222, support arm；23, adjusting rod；24, elastic component；25, seal disc；251, relief hole；3, stop collar；
31, groove；32, screw thread is limited.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
It should be noted that it can be directly anchored to another when element is referred to as " being fixed on " another element
On element or another element can also be fixed on by element placed in the middle.When an element be known as " connection " another
Element, it can be directly to another element or be also possible to be connected to another yuan by element placed in the middle
Part.In addition, unless otherwise indicated, otherwise the descriptions such as the term " first " in specification and " second " are used only for distinguishing specification
In various components, element, step etc., without being intended to indicate that various components, element, the logical relation between step or suitable
Order relation etc..
In conjunction with shown in Fig. 1 to Figure 11, the current limliting security component of gas pipeline system of the invention is schematically showed, wrap
Include ontology 1 and current-limiting valve core 2.It is equipped in ontology 1 and is sequentially connected logical inlet chamber 11, spool accommodating chamber 12 and discharge chamber 13, into
Air cavity 11 is connected to fuel gas source, and discharge chamber 13 is connected to gas utensil, above-mentioned inlet chamber 11, spool accommodating chamber 12 and discharge chamber 13
It is rotary structure.Current-limiting valve core 2 includes sealing ring 21, bracket 22, adjusting rod 23, elastic component 24 and seal disc 25, sealing
Ring 21 is connected to the inner sidewall of spool accommodating chamber 12, and bracket 22 is located in spool accommodating chamber 12, and bracket 22 is connected to ontology 1.
Adjusting rod 23 and bracket 22 are slidably connected, and adjusting rod 23 and spool accommodating chamber 12 are coaxially disposed, and the glide direction of adjusting rod 23
It is parallel with the axis of spool accommodating chamber 12.The both ends of elastic component 24 are connected to adjusting rod 23 and bracket 22, adjusting rod 23
End is connected to seal disc 25, and seal disc 25 moves under the elastic force effect of elastic component 24 away from sealing ring 21, at this time seal disc
Breathing area between 25 and sealing ring 21 is maximum.The lateral wall of the exhaust end of ontology 1 be equipped with external screw thread 15, so as to it is existing
Fuel gas conduit be connected.
When the gaseous-pressure of inlet chamber 11 is gradually increased, combustion gas overcomes the elastic force of elastic component 24 and seal disc 25 is pushed to transport
Dynamic, adjusting rod 23 and the opposite sliding of bracket 22, the breathing area between seal disc 25 and sealing ring 21 are gradually reduced, this to flow
Gas flow through the component remains constant, and then gas utensil is made to be in clean-burning state always in burning.
When the gaseous-pressure of inlet chamber 11 has exceeded specified gaseous-pressure, combustion gas pushes seal disc 25 to move, and makes
Seal disc 25 is connected to sealing ring 21, and such as Fig. 2, seal disc 25 and sealing ring 21 prevent combustion gas from entering exhaust from spool accommodating chamber 12
Chamber 13 cuts off the fuel gas supply more than specified gaseous-pressure with this, protects gas utensil, avoids the occurrence of flame-out, leakage of gas utensil etc.
Accident.
Such as Fig. 5 and Fig. 6, bracket 22 further includes supporter 221 and multiple support arms 222, and supporter 221 is equipped with and spool
The guiding inner hole 221a that accommodating chamber 12 is coaxially disposed, support arm 222 along guiding inner hole 221a radial arrangement, support arm 222
Free end is connected to the inner sidewall of spool accommodating chamber 12, and the fixing end of support arm 222 is connected to supporter 221, and adjusting rod 23 can
It is slidably arranged in guiding inner hole 221a, in the present embodiment, there are three the quantity of support arm 222 is set.
If offered relief hole 251 on Figure 10 and Figure 11 seal disc 25, it is avoided that when current-limiting valve core 2 is closed and causes fuel gas conduit
Pipeline vacuum caused by terminal (i.e. discharge chamber 13) is under-voltage in road system.Seal disc 25 uses high-quality rigid plastics, existing metal
Intensity, weight are again light.In addition, elastic component 24 can be compressed spring, it is also possible to simple combined elastic mechanism, so that pressing
Elastic force can be assembled when contracting, and when pressure disappears, it can spring back.
In conjunction with shown in Fig. 4 and Fig. 5, the inner sidewall of spool accommodating chamber 12 is equipped with along its spool mounting groove circumferentially
121, the end (i.e. the free end of support arm 222) of bracket 22 is embedded in spool mounting groove 121.For the ease of installation or removal
Bracket 22, the component further include stop collar 3, and the side of spool mounting groove 121 runs through inlet chamber 11, and the internal diameter of inlet chamber 11
Greater than the internal diameter of spool mounting groove 121, make that there is step 14 between inlet chamber 11 and spool mounting groove 121.Stop collar 3 be located at into
In air cavity 11 and the two is flexibly connected, and the end face of stop collar 3 is connected to the air inlet side of bracket 22, and the exhaust side of bracket 22 is connected to
The inner sidewall of spool mounting groove 121, specifically, the inner sidewall of inlet chamber 11 are equipped with internal screw thread 111, corresponding, stop collar 3
Lateral wall is equipped with the limit screw thread 32 to match with above-mentioned internal screw thread 111, i.e. the inner sidewall of stop collar 3 and inlet chamber 11 passes through
Screw thread is connected.Such as Fig. 8 and Fig. 9, the end face that its air inlet side is located on stop collar 3 is equipped with groove 31, and groove 31 is along stop collar 3
Radial arrangement, maintenance personnel can be cooperated by straight screwdriver and groove 31 stop collar 3 is screwed out inlet chamber 11.
It is additionally provided on the inner sidewall of spool accommodating chamber 12 along its sealing limiting slot 122 circumferentially, seals limiting slot 122
Positioned at the exhaust side of seal disc 25, sealing ring 21 is embedded in sealing limiting slot 122, in addition, the internal diameter of sealing limiting slot 122 is small
In the internal diameter of spool accommodating chamber 12.It is round-corner transition between the end face and inner sidewall of sealing ring 21, specifically, such as Fig. 7, sealing ring
21 two end faces all have above-mentioned round-corner transition structure, avoid anti-loaded.
In conclusion the current limliting security component of gas pipeline system of the invention, sealing ring 21 is connected to spool receiving
The inner sidewall of chamber 12, adjusting rod 23 can slide on bracket 22, and seal disc 25 is located at the end of adjusting rod 23, and elastic component 24 divides
Be not connected to bracket 22 and adjusting rod 23, seal disc 25 moves under the elastic force effect of elastic component 24 away from sealing ring 21, when into
When the gaseous-pressure of air cavity 11 increases, combustion gas pushes seal disc 25 to move towards sealing ring 21, flows through the gas flow of the component
Always constant, it is ensured that gas utensil is in full combustion state always, when the gaseous-pressure overrate of inlet chamber 11, combustion gas
It pushes seal disc 25 to move and it is made to be connected to sealing ring 21, the combustion gas of hypertonia is avoided to damage gas utensil and combustion gas is caused to be let out
Leakage.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of current limliting security component of gas pipeline system, which is characterized in that including ontology and current-limiting valve core, in the ontology
Equipped with being sequentially connected logical inlet chamber, spool accommodating chamber and discharge chamber, the current-limiting valve core include sealing ring, bracket, adjusting rod,
Elastic component and seal disc, the sealing ring are connected to the inner sidewall of the spool accommodating chamber, and the bracket is connected to the ontology,
And the adjusting rod is connected with bracket slide, the both ends of the elastic component are connected to the adjusting rod and bracket, the tune
The end of pole is connected to the seal disc, and the seal disc is transported under the elastic force effect of the elastic component away from the sealing ring
It is dynamic.
2. the current limliting security component of gas pipeline system according to claim 1, which is characterized in that the bracket is equipped with
With the guiding inner hole of spool accommodating chamber coaxial arrangement, the adjusting rod is slideably arranged in the guiding inner hole.
3. the current limliting security component of gas pipeline system according to claim 1, which is characterized in that opened on the seal disc
Equipped with relief hole.
4. the current limliting security component of gas pipeline system according to claim 1, which is characterized in that the spool accommodating chamber
Inner sidewall be equipped with along its spool mounting groove circumferentially, the end of the bracket is embedded in the spool mounting groove.
5. the current limliting security component of gas pipeline system according to claim 4, which is characterized in that it further include stop collar,
The side of the spool mounting groove runs through the inlet chamber, and the internal diameter of the inlet chamber is greater than the interior of the spool mounting groove
Diameter makes have step between the inlet chamber and spool mounting groove, and the stop collar is located in the inlet chamber and the two activity
Connection, the end face of the stop collar are connected to the air inlet side of the bracket, and the exhaust side of the bracket is connected to the spool peace
The inner sidewall of tankage.
6. the current limliting security component of gas pipeline system according to claim 1, which is characterized in that the inlet chamber it is interior
Side wall is equipped with internal screw thread.
7. the current limliting security component of gas pipeline system according to claim 5, which is characterized in that the stop collar is upper
Groove, radial direction arrangement of the groove along the stop collar are equipped in the end face of its air inlet side.
8. the current limliting security component of gas pipeline system according to claim 1, which is characterized in that the spool accommodating chamber
Inner sidewall on be additionally provided with along its sealing limiting slot circumferentially, the sealing limiting slot is located at the exhaust of the seal disc
Side, the sealing ring are embedded in the sealing limiting slot.
9. the current limliting security component of gas pipeline system according to claim 1, which is characterized in that the end of the sealing ring
It is round-corner transition between face and inner sidewall.
10. the current limliting security component of gas pipeline system according to claim 1, which is characterized in that the row of the ontology
The lateral wall at gas end is equipped with external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910767743.4A CN110440038A (en) | 2019-08-19 | 2019-08-19 | The current limliting security component of gas pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910767743.4A CN110440038A (en) | 2019-08-19 | 2019-08-19 | The current limliting security component of gas pipeline system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110440038A true CN110440038A (en) | 2019-11-12 |
Family
ID=68436527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910767743.4A Pending CN110440038A (en) | 2019-08-19 | 2019-08-19 | The current limliting security component of gas pipeline system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110440038A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200336213Y1 (en) * | 2003-07-25 | 2003-12-18 | 공상식 | Safty System for Portable Gas Range |
| DE10352372A1 (en) * | 2003-11-10 | 2005-06-16 | Gieseler, Benno Leander | Safety valve for shutting off gas pipes in gas flow monitors is closed by slide mounted on guide pin, spiral spring fitted around this being connected to slide mounting and pin and pin and spring being enclosed in sleeve |
| CN201561170U (en) * | 2009-11-27 | 2010-08-25 | 乔民 | Control valve core with automatic gas over-flow shut-off function |
| US20110095221A1 (en) * | 2009-10-26 | 2011-04-28 | Gabriel Gavril | Exhaust brake valve assembly |
| CN102297279A (en) * | 2011-08-04 | 2011-12-28 | 李耀强 | Constant pressure current regulator |
| CN205937924U (en) * | 2016-07-08 | 2017-02-08 | 浙江新涛电子机械股份有限公司 | Fuel gas plug valve |
| CN107606223A (en) * | 2017-08-15 | 2018-01-19 | 日丰企业（佛山）有限公司 | Safety valves for gas |
| CN109812609A (en) * | 2019-04-02 | 2019-05-28 | 广东长青（集团）股份有限公司 | A kind of combustion gas connector with pressure stabilizing and super stream defencive function |
| CN210687146U (en) * | 2019-08-19 | 2020-06-05 | 日丰企业集团有限公司 | Flow-limiting safety assembly for gas pipeline system |
-
2019
- 2019-08-19 CN CN201910767743.4A patent/CN110440038A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200336213Y1 (en) * | 2003-07-25 | 2003-12-18 | 공상식 | Safty System for Portable Gas Range |
| DE10352372A1 (en) * | 2003-11-10 | 2005-06-16 | Gieseler, Benno Leander | Safety valve for shutting off gas pipes in gas flow monitors is closed by slide mounted on guide pin, spiral spring fitted around this being connected to slide mounting and pin and pin and spring being enclosed in sleeve |
| US20110095221A1 (en) * | 2009-10-26 | 2011-04-28 | Gabriel Gavril | Exhaust brake valve assembly |
| CN201561170U (en) * | 2009-11-27 | 2010-08-25 | 乔民 | Control valve core with automatic gas over-flow shut-off function |
| CN102297279A (en) * | 2011-08-04 | 2011-12-28 | 李耀强 | Constant pressure current regulator |
| CN205937924U (en) * | 2016-07-08 | 2017-02-08 | 浙江新涛电子机械股份有限公司 | Fuel gas plug valve |
| CN107606223A (en) * | 2017-08-15 | 2018-01-19 | 日丰企业（佛山）有限公司 | Safety valves for gas |
| CN109812609A (en) * | 2019-04-02 | 2019-05-28 | 广东长青（集团）股份有限公司 | A kind of combustion gas connector with pressure stabilizing and super stream defencive function |
| CN210687146U (en) * | 2019-08-19 | 2020-06-05 | 日丰企业集团有限公司 | Flow-limiting safety assembly for gas pipeline system |
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