CN201025161Y - Voltage reduction and pressure adjuster - Google Patents
Voltage reduction and pressure adjuster Download PDFInfo
- Publication number
- CN201025161Y CN201025161Y CNU2007200373267U CN200720037326U CN201025161Y CN 201025161 Y CN201025161 Y CN 201025161Y CN U2007200373267 U CNU2007200373267 U CN U2007200373267U CN 200720037326 U CN200720037326 U CN 200720037326U CN 201025161 Y CN201025161 Y CN 201025161Y
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- Prior art keywords
- diaphragm
- governor
- combustion gas
- housing
- pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to a decompressing booster, in particular to the decompressing booster applied on the gas supply system of the gasoline vehicle engine. The utility model adopts the technical proposals that: the decompressing booster is characterized in that: a housing positioned at the lower of a decompressing and boosting mechanism has a lever type boosting mechanism which contains a low pressure cover at the lower end of the housing; the low pressure cover and the housing are integrated into one capacity, and a low pressure membrane between which isolates the capacity into two spaces; a spring is positioned in the space between the low pressure cover and the low pressure membrane; and the space between the lower pressure membrane and the housing is a gas balance capacity. By adopting the technical proposal, the utility model overcomes the sufficiency of the prior art, provide a new decompressing booster with multi stage decompressing and boosting structure and one stage which is a connecting bar type decompressing and boosting structure.
Description
Technical field
The utility model relates to a kind of decompression pressure governor, especially is applied to the decompression pressure governor on the gas combustion automobile motor natural gas supply system.
Background technique
At present, the product of the decompression pressure governor that occurs on market and magazine and reported is a lot, and mostly be only to utilize lever principle to reduce pressure and pressure regulation, as the patent No. is 03111145.9 liquefied petroleum gas (LPG) decompression pressure regulator valve, it controls the Push And Release of suction port by being linked between pressure regulation lever and the voltage regulation diaphragm, thereby realize the function of pressure regulation, its voltage regulation diaphragm is by being arranged on the spring reset between diaphragm and the pressure regulator lid, like this when the pressure in the combustion gas chamber during less than the elastic force of spring, diaphragm resets, at this moment the pressure regulation lever is not to the effect of pressure regulation push rod, so air inlet open, pressurized gas enter the combustion gas chamber; When pressurized gas to the pressure of diaphragm during greater than the elastic force of spring, spring is compressed, the pressure regulation of pressure regulation lever pushing at this moment push rod, suction port is closed; It exists following some shortcomings the decompression pressure regulator valve of this structure: 1, it has only one-level decompression pressure regulation, so functional lability, in case this decompression pressure-regulating device breaks down, whole system will be affected; 2, only utilize lever-type structure pressure-reducing pressure regulation, in case the suction pressure of suction port strengthens, then just damage this structure easily, secondly lever-type structure is not fine to the control effect of pressure.
The model utility content
The utility model overcomes the deficiency of present technology, provides that a kind of to have the multi-step pressure reduction pressure adjusting structure and one-level is arranged be the novel decompression pressure governor of linkage type decompression pressure adjusting structure.
Realize above-mentioned purpose, the utility model adopts following technological scheme: a kind of decompression pressure governor, include governor body, be arranged on the governor cap of governor body upper end, described governor body is provided with gas-entered passageway and outlet passageway, described governor body be positioned at governor cap one end and governor cap is equipped with the combustion gas chamber, be provided with in this combustion gas chamber and cooperate the decompression pressure-regulating device of controlling its air inlet with gas-entered passageway, this decompression pressure-regulating device includes the voltage regulation diaphragm that is arranged on governor body and governor cap joint, be arranged on the pressure spring between voltage regulation diaphragm and the governor cap, pull bar that is connected with voltage regulation diaphragm and the lever that is linked with pull bar, this lever is by the air inlet of piston assembly control gas-entered passageway, it is characterized in that: the decompression pressure-regulating device below that is positioned at of described housing is provided with a Lever type pressure-regulating device, this mechanism includes the low gland that sealing is arranged on the housing lower end, should hang down gland and cavity volume of housing formation, low pressure diaphragm between low gland and housing is isolated into two spaces to cavity volume, spring is arranged in the space of hanging down between gland and the low pressure diaphragm, space between low pressure diaphragm and the housing is the combustion gas counter balance pocket, the described low pressure diaphragm first line of a couplet connecting rod that has been dynamically connected, this connecting rod places in the passage of housing, this passage runs through combustion gas chamber and combustion gas counter balance pocket, an end that is positioned at the combustion gas chamber of described connecting rod is provided with sealing seat, shoulder rank in sealing seat and the passage cooperate, the conducting of realization passage and closing.
The novel further setting of this use is: the intermediate portion that is arranged on shell channel on the outlet passageway on the described housing, and connect with passage, the connecting rod that is positioned at the passage of outlet passageway bottom becomes to be sealed and matched with seal ring by slip ring with passage, the vertical with it through hole that runs through outlet passageway and combustion gas counter balance pocket that is provided with on the described outlet passageway.The sealing seat of an end that is positioned at the combustion gas chamber of described connecting rod is fixedly installed on the connecting rod, is socketed with seal ring on the described sealing seat, and described connecting rod becomes piston motion with the springing of low pressure diaphragm in passage.Be connected with vacuum interface on the space that constitutes between described low gland and the low pressure diaphragm, described housing be provided with safety valve at combustion gas chamber place.
Beneficial effect: be provided with a Lever type pressure-regulating device by the decompression pressure-regulating device below that is positioned at of adopting described housing, this mechanism includes the low gland that sealing is arranged on the housing lower end, should hang down gland and cavity volume of housing formation, low pressure diaphragm between low gland and housing is isolated into two spaces to cavity volume, spring is arranged in the space of hanging down between gland and the low pressure diaphragm, space between low pressure diaphragm and the housing is the combustion gas counter balance pocket, the described low pressure diaphragm first line of a couplet connecting rod that has been dynamically connected, this connecting rod places in the passage of housing, this passage runs through combustion gas chamber and combustion gas counter balance pocket, an end that is positioned at the combustion gas chamber of described connecting rod is provided with sealing seat, shoulder rank in sealing seat and the passage cooperate, realize the conducting of passage and close this scheme, just can realize the two-stage decompression pressure regulation, make the performance of this product more stable, when wherein having one-level to break down, this product can also be realized work, we adopt the partial mechanism of decompressor Lever type principle to realize in addition, work is more stable like this, particularly ought enter under the very big situation of the pressure of gas, the lever-type mechanism of decompressor is not easy to damage.Again owing to be arranged on the intermediate portion of shell channel on the outlet passageway on the described housing, and connect with passage, the connecting rod that is positioned at the passage of outlet passageway bottom becomes to be sealed and matched with seal ring by slip ring with passage, and relatively rationally, effect of easing stress is relatively good usually for this structure; The vertical with it through hole that runs through outlet passageway and combustion gas counter balance pocket that is provided with adopts jet current principle to realize the work of the Lever type mechanism of decompressor on the described outlet passageway.The sealing seat of an end that is positioned at the combustion gas chamber of described connecting rod is fixedly installed on the connecting rod, is socketed with seal ring on the described sealing seat, and described connecting rod becomes piston motion with the springing of low pressure diaphragm in passage, and this structural type sealing effect is more satisfactory.Be connected with vacuum interface on the space that constitutes between described low gland and the low pressure diaphragm, like this can be under certain conditions the flow of big or small auxiliary adjustment passage of negative pressure by the space between low pressure diaphragm and the low gland, can save combustion gas; Described housing be provided with safety valve at combustion gas chamber place, increase its Security.
Below in conjunction with accompanying drawing model utility is further described.
Description of drawings
Fig. 1 is structural representation Fig. 1 of the utility model embodiment;
Fig. 2 is structural representation Fig. 2 of the utility model embodiment.
Embodiment
As depicted in figs. 1 and 2, a kind of decompression pressure governor, include governor body 1, be arranged on the governor cap 2 of governor body 1 upper end, described governor body 1 is provided with gas-entered passageway 11 and outlet passageway 12, described governor body 1 upper end cooperates formation one combustion gas chamber 3 with governor cap 2, be provided with in this combustion gas chamber 3 and cooperate the decompression pressure-regulating device 4 of controlling its air inlet with gas-entered passageway 11, this decompression pressure-regulating device 4 includes the voltage regulation diaphragm 41 that is arranged on governor body 1 and governor cap 2 joints, be arranged on the pressure spring 42 between voltage regulation diaphragm 41 and the governor cap 2, pull bar 43 that is connected with voltage regulation diaphragm 41 and the lever 44 that is linked with pull bar 43, this lever 44 is by the air inlet of piston assembly 5 control gas-entered passageways 11, in the utility model is implemented, decompression pressure-regulating device 4 belows that are positioned at of described governor body 1 are provided with a Lever type pressure-regulating device 6, this mechanism 6 includes the low gland 61 that sealing is arranged on housing 1 lower end, should constitute a cavity volume 7 with housing 1 by low gland 61, low pressure diaphragm 62 between low gland 61 and housing 1 is isolated into two spaces 71 to cavity volume 7,72, spring 63 is arranged in the space 71 of hanging down between gland 61 and the low pressure diaphragm 62, then another space 72 is that the space between low pressure diaphragm 62 and the housing 1 is a combustion gas counter balance pocket 72, connecting rod 64 has been connected on the described low pressure diaphragm 62, this connecting rod 64 places in the passage 13 of housing 1, this passage 13 runs through combustion gas chamber 3 and combustion gas counter balance pocket 72, an end that is positioned at combustion gas chamber 3 of described connecting rod 64 is provided with sealing seat 641, shoulder rank 131 in sealing seat 641 and the passage 13 cooperate, the conducting of realization passage 13 and closing.In the utility model, adopt the two-stage decompression pressure regulation, make the performance of this product more stable, when wherein having one-level to break down, another level can also realize work; We adopt the partial mechanism of decompressor Lever type principle to realize that the voltage regulation result that then reduces pressure is better in addition, particularly ought enter under the very big situation of the pressure of gas, and the lever-type mechanism of decompressor is not easy to damage.
In the utility model embodiment, be arranged on the intermediate portion of housing 1 passage 13 on the outlet passageway 12 on the described housing 1, and connect with passage 13, the connecting rod 64 that is positioned at the passage 13 of outlet passageway 12 belows cooperates by 9 one-tenth motive sealings of slip ring 8 and seal ring with passage 13, in the present embodiment, the seal ring 9 that is socketed on the connecting rod 64 is twice, and actual can be one or multi-channel, the vertical with it through hole 10 that runs through outlet passageway 12 and combustion gas counter balance pocket 72 that is provided with on the described outlet passageway 12, this structure is to utilize the principle of jet, when the gas flow rate on the outlet passageway 12 is very big, then gas just can not enter combustion gas counter balance pocket 72 in through hole 10, at this moment on the shoulder rank 131 of sealing seat 641 unsealings of connecting rod 64 upper ends in the Lever type pressure-regulating device 6 conflict in governor body 1 passage 13, gas is discharged from outlet passageway 12 through passage 13 backs from combustion gas chamber 3, very little or when not having when the gas flow rate on the outlet passageway 12, then gas just enters combustion gas counter balance pocket 72 from through hole 10, in case the pressure in the combustion gas counter balance pocket 72 is greater than the elastic force of spring, then low pressure diaphragm 62 moves down, at this moment on the sealing seat 641 shoulder rank 131 of sealing conflict in governor body 1 passage 13 of connecting rod 64 upper ends in the Lever type pressure-regulating device 6, passage 13 is dammed.In the utility model embodiment, we also can directly connect outlet passageway 12 in combustion gas counter balance pocket 72, shoulder rank 131 in the sealing seat 641 of realizing connecting rod 64 upper ends in the Lever type pressure-regulating device 6 by whether giving vent to anger of outlet passageway 12 and governor body 1 passage 13 cooperates the flow size of control channel 13 like this.
In the utility model embodiment, the sealing seat 641 of an end that is positioned at combustion gas chamber 3 of described connecting rod 64 is fixedly installed on the connecting rod 64, be socketed with seal ring 642 on the described sealing seat 641, described connecting rod 64 becomes piston motion with the springing of low pressure diaphragm 62 in passage 13, the termination 643 that is fixed on the end on the low pressure diaphragm 62 of described connecting rod 64 is passed low pressure diaphragm 62 and guide rod 65 is installed, this guide rod 65 is plugged in the pilot hole 612 on the spring seat 611 of low gland 61, guide rod 65 also cooperates with the activity of low pressure diaphragm 62 and 612 one-tenth piston motions of pilot hole, can guarantee the sliding trajectory of connecting rod like this, improve the workmanship of product, prolong the working life of product; Certainly we also can adopt other modes to reach this purpose, be provided with guide groove or guide hole as passing low pressure diaphragm 62 in the termination 643 that is fixed on the end on the low pressure diaphragm 62 of connecting rod 64, corresponding low gland 61 is provided with guide rail or the guide rod that interts in guide groove or guide hole, this technology is not a main purpose of the present invention, so here we do not describe in detail yet.
Be connected with vacuum interface 11 on the space 71 that constitutes between described low gland 61 and the low pressure diaphragm 62, like this can be under certain conditions the flow of big or small auxiliary adjustment passage 13 of negative pressure by the space 71 between low pressure diaphragm 62 and the low gland 61, can save combustion gas; Described housing 1 be provided with safety valve 14 at 3 places, combustion gas chamber.
Claims (5)
1. decompression pressure governor, include governor body, be arranged on the governor cap of governor body upper end, described governor body is provided with gas-entered passageway and outlet passageway, governor cap one end that is positioned at of described governor body cooperates with governor cap and constitutes the combustion gas chamber, be provided with in this combustion gas chamber and cooperate the decompression pressure-regulating device of controlling its air inlet with gas-entered passageway, this decompression pressure-regulating device includes the voltage regulation diaphragm that is arranged on governor body and governor cap joint, be arranged on the pressure spring between voltage regulation diaphragm and the governor cap, pull bar that is connected with voltage regulation diaphragm and the lever that is linked with pull bar, this lever is by the air inlet of piston assembly control gas-entered passageway, it is characterized in that: the decompression pressure-regulating device below that is positioned at of described housing is provided with a Lever type pressure-regulating device, this mechanism includes the low gland that sealing is arranged on the housing lower end, should hang down gland and cavity volume of housing formation, low pressure diaphragm between low gland and housing is isolated into two spaces to cavity volume, spring is arranged in the space of hanging down between gland and the low pressure diaphragm, space between low pressure diaphragm and the housing is the combustion gas counter balance pocket, the described low pressure diaphragm first line of a couplet connecting rod that has been dynamically connected, this connecting rod places in the passage of housing, this passage runs through combustion gas chamber and combustion gas counter balance pocket, an end that is positioned at the combustion gas chamber of described connecting rod is provided with sealing seat, shoulder rank in sealing seat and the passage cooperate, the conducting of realization passage and closing.
2. decompression pressure governor according to claim 1, it is characterized in that: the intermediate portion that is arranged on shell channel on the outlet passageway on the described housing, and connect with passage, the connecting rod that is positioned at the passage of outlet passageway bottom becomes to be sealed and matched with seal ring by slip ring with passage, the vertical with it through hole that runs through outlet passageway and combustion gas counter balance pocket that is provided with on the described outlet passageway.
3. decompression pressure governor according to claim 1 and 2, it is characterized in that: the sealing seat of an end that is positioned at the combustion gas chamber of described connecting rod is fixedly installed on the connecting rod, be socketed with seal ring on the described sealing seat, described connecting rod becomes piston motion with the springing of low pressure diaphragm in passage, the termination that is fixed on the end on the diaphragm of described connecting rod is passed diaphragm and guide rod is installed, this guide rod is plugged in the pilot hole on the spring seat of low gland, and guide rod also becomes the piston motion cooperation with the activity of diaphragm with pilot hole.
4. decompression pressure governor according to claim 1 and 2 is characterized in that: be connected with vacuum interface on the space that constitutes between described low gland and the low pressure diaphragm, described housing be provided with safety valve at combustion gas chamber place.
5. decompression pressure governor according to claim 3 is characterized in that: be connected with vacuum interface on the space that constitutes between described low gland and the low pressure diaphragm, described housing be provided with safety valve at combustion gas chamber place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200373267U CN201025161Y (en) | 2007-04-29 | 2007-04-29 | Voltage reduction and pressure adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200373267U CN201025161Y (en) | 2007-04-29 | 2007-04-29 | Voltage reduction and pressure adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201025161Y true CN201025161Y (en) | 2008-02-20 |
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ID=39099022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200373267U Expired - Fee Related CN201025161Y (en) | 2007-04-29 | 2007-04-29 | Voltage reduction and pressure adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201025161Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278236A (en) * | 2011-05-31 | 2011-12-14 | 周洪潮 | Universal fuel gas mixing valve suitable for gas supply by different gas sources |
| CN103648713A (en) * | 2010-08-20 | 2014-03-19 | 德莱赛公司 | Alignment mechanism for assembly of a diffuser inside a pressure reducing and conditioning valve |
| CN104595498A (en) * | 2015-01-23 | 2015-05-06 | 四川森洁燃气设备有限公司 | Automobile pressure reducing valve |
| CN106015650A (en) * | 2016-07-13 | 2016-10-12 | 成都安程通科技有限公司 | Natural gas reducing valve |
-
2007
- 2007-04-29 CN CNU2007200373267U patent/CN201025161Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103648713A (en) * | 2010-08-20 | 2014-03-19 | 德莱赛公司 | Alignment mechanism for assembly of a diffuser inside a pressure reducing and conditioning valve |
| CN102278236A (en) * | 2011-05-31 | 2011-12-14 | 周洪潮 | Universal fuel gas mixing valve suitable for gas supply by different gas sources |
| CN104595498A (en) * | 2015-01-23 | 2015-05-06 | 四川森洁燃气设备有限公司 | Automobile pressure reducing valve |
| CN106015650A (en) * | 2016-07-13 | 2016-10-12 | 成都安程通科技有限公司 | Natural gas reducing valve |
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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: 20080220 Termination date: 20120429 |