CN2333851Y - Multi-functional safety pressure regulating valve for liquefied petroleum gas - Google Patents
Multi-functional safety pressure regulating valve for liquefied petroleum gas Download PDFInfo
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- CN2333851Y CN2333851Y CN 98227040 CN98227040U CN2333851Y CN 2333851 Y CN2333851 Y CN 2333851Y CN 98227040 CN98227040 CN 98227040 CN 98227040 U CN98227040 U CN 98227040U CN 2333851 Y CN2333851 Y CN 2333851Y
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- fork
- cap
- shaped cover
- flange
- loam cake
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Abstract
The utility model provides a multifunctional safety pressure regulating valve for liquefied petroleum gas. Based on the structure foundation of the patent of utility model ZL90205763.4, the utility model is additionally provided with a pressure regulating helicoid, a Y-shaped sleeve and a transparent pull cap, and the top of a restoring pull rod is provided with a display tablet. Therefore, while realizing the primary pressure-reducing function of the pressure regulating valve, the utility model has auxiliary functions such as automatic shut-off for excessive flow quantity, leak detection, display of the stock of a gas cylinder, etc. and has the advantages of simple and practical design of reset operation, simple structure and safety.
Description
The utility model relates to a kind of liquefied petroleum gas (LPG) safety pressure governor, a kind of neotectonics that particularly with the decompression be that the function of tonic chord has that the unexpected super flow of combustion gas tool pipeline is closed automatically concurrently, leak detection and gas cylinder storage shows multiple miscellaneous function.
The LPG (liquefied petroleum gas) pressure regulator of generally using has only the decompression simple function at present, Chinese patent ZL88212858.2, ZL88220359.2, ZL87217064U, ZL90216638.7, ZL9517578.9 etc. disclose some and have had accidental release and close source of the gas automatically, the pressure governor structure of miscellaneous functions such as the demonstration of gas cylinder storage, timing controlled, leakage alarm, detection leakage, these miscellaneous functions have certain Practical significance, but there is too defective such as complexity or the tired lock of use of structure in last each scheme of example, and some mistake also can take place closes phenomenon.Therefore, use value is low and be difficult to promote, the disclosed super flow self-closing device of Chinese patent ZL90205763.4 " improvement type pressure regulator ", mistake can not take place close phenomenon, the user does not need often to carry out reset operation, have more practicability than the aforementioned approaches case, but do not have leak detection and gas cylinder storage Presentation Function.
The purpose of this utility model is to improve on the basis of ZL90205763.4 patent and perfect, it is closed outside the former function automatically in decompression and super flow, increase leak detection and gas cylinder storage and show two miscellaneous functions, become the multi-functional LPG (liquefied petroleum gas) pressure regulator that has more practicability.
For achieving the above object, technical solution of the present utility model is: equally with conventional pressure governor be connected to housing with body [1] and loam cake [13], and a side has throttle orifice [5] in body [1], in throttle orifice [5] below one little air chamber [4] is arranged, there is the normal gas-entered passageway of the straight-through formation of a horizontal gas port [26] and suction tude [25] at its middle part, one oblique through hole [27] the formation abnormal passage that is inclined upwardly and communicates with suction tude [26] is arranged in addition at the bottom, the overcurrent spool [2] that one middle part is with small sealing ring [3] is housed in the stingy sky [4], pillar [10] is vertically upward arranged on the bottom surface in body [1] inner chamber, the throttle orifice inboard is fixed with the rotating shaft [9] of level, when flexible sheet [11] three end faces of pillar [10] and rotating shaft [7] when atmospheric pressure state falls can be used as the horizontal seat of flexible sheet.Having the middle part of an adjustment (adjusting) lever [8] to be fixed hinge with rotating shaft [7] is connected, the front end of adjustment (adjusting) lever [8] has seal rubber pad [6], seal rubber pad [6] is positioned at throttle orifice [5] top, the flexible diaphragm of clamping [11] between body [1] and loam cake [13], the end face of this flexible sheet [11] has diaphragm support [12], in the center hole of flexible sheet [11] and diaphragm support [12], be installed with connecting rod [9] from bottom to top, the upper end of connecting rod [9] connects reset lever [14], the lower end connects the rear end of adjustment (adjusting) lever [8], the pressure regulation bung flange [16] that one hollow is arranged in the long screw [18] of loam cake [13] top, on the inwall of pressure regulation bung flange [16], be distributed with a plurality of projections [28], compressed pressure adjusting spring [15] under the pressure regulation bung flange [16], inwardly punch by long screw [18] outer wall and to screw in fixedly pressure regulation bung flange [16] of positioning screwn [17], fixedly behind the pressure regulation bung flange [16] again skewer go into to have the band outward flange fork-shaped cover [21], the outward flange of fork-shaped cover [21] just is being shelved on the last plane of pressure regulation bung flange [16], the outward flange bottom of fork-shaped cover [21] has several grooves and is pronged shape, the number of teeth of fork is consistent with the number of lugs in pressure regulation bung flange [16] endoporus, so that in the neutral gear between each tooth insertion pressure regulation bung flange projection of fork-shaped cover [21].Making fork-shaped cover [21] play up and down leading role like this in pressure regulation bung flange [16] limits it again and does not rotate, one bottleneck aperture is arranged at fork-shaped cover [21] top, be installed with reset lever [14] in the hole with connecting rod [9] clamping flexible sheet [11] and diaphragm support [12], there is an elastic scheibe greater than the bottleneck small aperture [23] the rod end below of stretching out the bottleneck aperture in reset lever [14], the rod end surface of reset lever [23] also is equipped with a showing piece [24], one gland spring [19] is housed above the outward flange of fork-shaped cover [21], its upper-end surface is pushed down by the stage clip cap [20] that is fixed on loam cake [13] top, stage clip cap [20] upper end is equipped with that a usefulness transparent material makes draws cap [22], the partial fixing that draws cap [22] and fork-shaped cover [21] to stretch out loam cake [13] top is connected, draw the side of cap [22] be carved with graduation line several so that observe the high and low position of explanation showing piece [24].The number of teeth of fork-shaped cover [21] bottom can be designed to 2-4 or a plurality of.Can also in the lower end of drawing cap [22] shade shape flange be arranged with drawing cap [22] to make cylindrical or conical carnival hat shape, this flange outside diameter is greater than the external diameter of stage clip cap [20], resets so that hand is pinched pulling, draws cap [22] and fork-shaped cover [21] by being threaded.The device of this simple and easy practicality has had both simultaneously and has resetted, hunt leak and deposit tolerance and show three miscellaneous functions, after eliminating in super flow fault, in the time of need making pressure governor recover proper functioning, only need pinch and draw cap [22] upwards one to carry, instantaneous draw cap [22] and fork-shaped cover [21] to rise simultaneously and drive on check ring [23] and the reset lever [14] by the bottleneck aperture move, make flexible sheet [11] and connecting rod [9] drive adjustment (adjusting) lever [8], the seal rubber pad [6] of adjustment (adjusting) lever [8] front end when afterbody upwarps presses down, make overcurrent spool [2] fall into the bottom again, unclamp pressure adjusting spring [15] behind the hand and control the action of flexible sheet [11] again, recover normal voltage regulation function, can very clearly see the showing piece [high and low position at 241 places owing to see through the transparent cap [22] that draws, and the working position of flexible sheet [11] has just been represented in this position, just can reach and hunts leak and check bottle internal memory tolerance two projects by observing showing piece [24].As not leaking for the good cover gas appliance system of inspection mounted or firm maintenance just has, as long as draw cap [22] after opening Steel cylinder gas valve, apparatus such as runin kitchen range again, switch makes liquid gas enter each pipeline for several times, showing piece [24] is in a high position, close Steel cylinder gas valve then,, then show the normal nothing leakage of assembling if showing piece still remains on the original position after a period of time, if showing piece [24] has fallen then shown leakage phenomenon is arranged, re-use after should hunting leak.Steel cylinder is deposited tolerance and is shown it is to observe in user mode, when being positioned at high point, showing piece [24] represents the tolerance abundance, and showing piece [24] represents when reducing to low spot that bottle interior gas is about to use up, though this method is a relative approximate indication, can make a prediction still has Practical significance.
The utility model makes reset operation more simple and easy to do, and has set up leak detection and the demonstration of gas cylinder storage, has improved Security, the practicability of LPG (liquefied petroleum gas) pressure regulator.
Fig. 1 is a sectional view of the present utility model
Fig. 2 is the side view that draws cap
Fig. 3 is the sectional view of fork-shaped cover
Fig. 4 is the top view of pressure regulation bung flange
Among the figure:
[11 bodies [2] overcurrent spool
[3] the little air chamber of small sealing ring [4]
[5] throttle orifice [6] seal rubber pad
[7] rotating shaft [8] adjustment (adjusting) lever
[9] connecting rod [10] pillar
[11] flexible sheet [12] diaphragm support
[13] loam cake [14] reset lever
[15] pressure adjusting spring [16] pressure regulation bung flange
[17] the long screw of positioning screwn [18]
[19] gland spring [20] stage clip cap
[21] fork-shaped cover [22] draws cap
[23] circlip [24] showing piece
[25] the horizontal gas port of suction tude [26]
[27] oblique through hole [28] projection
The utility model is described in further detail below in conjunction with drawings and Examples.
Be connected to housing with body [1] and loam cake [13], throttle orifice [5] is arranged on body [1], be processed with a cylindrical little air chamber [4] in throttle orifice [5] below, there is the normal gas-entered passageway of the straight-through formation of a horizontal gas port [26] and suction tude [25] at its middle part, the overcurrent spool [2] that one middle part is with small sealing ring [3] is housed in the little air chamber [4], and overcurrent spool [2] drops on the bottom of little air chamber [4] during normal state.When damaging, gas appliance or pipeline meet accident when leaking, stingy chamber upper air is quickened, pressure descends, and bottom, stingy chamber air pressure still keeps higher, the pressure reduction of Xing Chenging reaches certain value and has just formed upwards thrust to overcurrent spool [2] up and down, rapidly overcurrent spool [2] upper punch is inserted throttle orifice [5], small sealing ring [3] is pressed on reaches sealing fully on the conical surface between little air chamber [4] and the throttle orifice [5], realize in time closing source of the gas, this device has reliability preferably, initial fluid impulse force when opening steel cylinder or gas appliance can not promote overcurrent spool [2], has avoided the misoperation phenomenon of ball type structure to take place.Two pillars [10] are vertically upward arranged in body [1] inner chamber, throttle orifice [5] one sides have rotating shaft [7], two pillars [10] are uniformly distributed on the bottom surface of body [1] inner chamber with rotating shaft [7] Cheng Sandian, so that flexible sheet [11] has the bearing of a level when normal pressure falls, adjustment (adjusting) lever [8] flexibly connects with rotating shaft [7], the front end of adjustment (adjusting) lever [8] has seal rubber pad [6], seal rubber pad [6] is positioned at throttle orifice [5] top, the flexible diaphragm of clamping [11] between body [1] and loam cake [13], the end face of this flexible sheet [11] has diaphragm support [12], in the center hole of flexible sheet [11] and diaphragm support [12], be installed with connecting rod [9] from bottom to top, the upper end of connecting rod [9] connects reset lever [14], the lower end connects adjustment (adjusting) lever [8], the pressure regulation bung flange [16] that one hollow is arranged in the long screw [18] of loam cake [13] top, on the inwall of pressure regulation bung flange [16], be evenly distributed with 3 projections [28], press pressure adjusting spring [15] below the pressure regulation bung flange [16], after debugging decompression performance reaches standard, screw in fixedly pressure regulation bung flange [16] of positioning screwn [17] by the punching of long screw [18] outer wall ecto-entad, projection in its endoporus [28] when being convenient to debug the insertion instrument be rotated debugging, be inserted with the fork-shaped cover [21] of band outward flange after fixing again, the outward flange of fork-shaped cover [21] just is being shelved on the last plane of pressure regulation bung flange [16], the outward flange bottom of fork-shaped cover [21] has 3 equally distributed grooves and is pronged shape, in the neutral gear between the projection [28] of each tooth insertion pressure regulation bung flange [16] of fork-shaped cover [21], make fork-shaped cover [21] in pressure regulation bung flange [16], play up and down leading role like this and limit it and do not rotate, one bottleneck aperture is arranged at fork-shaped cover [21] top, be installed with reset lever [14] in the hole with connecting rod [9] clamping flexible sheet [11] and diaphragm support [12], there is an elastic scheibe greater than the bottleneck small aperture [23] the rod end below of stretching out the bottleneck aperture in reset lever [14], the rod end surface of reset lever [23] also is equipped with one and has the showing piece [24] of distinct color, one gland spring [19] is housed above the outward flange of fork-shaped cover [21], its upper-end surface is pushed down by the stage clip cap [20] that is fixed on loam cake [13] top, stage clip cap [20] upper end is equipped with that a usefulness transparent material makes draws cap [22], drawing cap [22] is the carnival hat shape, its lower end has external diameter to be a bit larger tham the shade shape flange of stage clip cap [20] external diameter, be convenient to hand and pinch pulling, draw cap [22] and fork-shaped cover [21] to stretch out the part on loam cake [13] top by being threaded, draw the side of cap [22] be carved with level graduation line several so that observe the position, the high end of explanation showing piece.
Claims (3)
1. multifunctional solution liquefied oil gas safety pressure governor, body [1] is arranged, loam cake [13], a side has throttle orifice [5] in the body [1], there is a little air chamber [4] throttle orifice [5] below, one horizontal gas port [26] is arranged at the middle part of little air chamber [4], horizontal gas port [26] and the normal gas-entered passageway of the straight-through formation of suction tude [25], other has an oblique through hole [27] that little air chamber [4] is connected with suction tude [25] from the bottom, constitute abnormal passage, the overcurrent spool [2] that the middle part is with small sealing ring [3] is housed in the little air chamber [4], in body [1] inner chamber, pillar [10] is arranged, throttle orifice [5] one sides are fixed with rotating shaft [7], adjustment (adjusting) lever [8] flexibly connects by rotating shaft [7], the front end of this adjustment (adjusting) lever [8] has seal rubber pad [6], seal rubber pad [6] is positioned at above the throttle orifice [5], the flexible diaphragm of clamping [11] between body [1] and loam cake [13], the end face of this flexible sheet [11] has diaphragm support [12], in the center hole of flexible sheet [11] and diaphragm support [12], be installed with connecting rod [9] from bottom to top, the upper end of connecting rod [9] connects reset lever [14], the lower end connects adjustment (adjusting) lever [8], it is characterized in that: in the long screw [18] of loam cake [13] top pressure regulation bung flange [16] is arranged, be distributed with 3 projections [28] on the inwall of pressure regulation bung flange [16], pressure adjusting spring [15] is arranged under the pressure regulation bung flange [16], the chamber wall that positioning screwn [17] passes long screw [18] is pressure regulation bung flange [16] fixedly, the fork-shaped cover [21] that the band outward flange is arranged in loam cake [13] inner chamber, the outward flange of fork-shaped cover [21] is shelved on the last plane of pressure regulation bung flange [16], the outward flange bottom of fork-shaped cover [21] has several grooves and is pronged shape, the number of teeth of fork is consistent with the number of lugs in pressure regulation bung flange [16] endoporus, one bottleneck aperture is arranged at fork-shaped cover [21] top, the epimere of reset lever [14] stretches out the bottleneck aperture, there is an elastic scheibe greater than the bottleneck small aperture [23] the rod end below of stretching out the bottleneck aperture in reset lever [14], the rod end surface of reset lever [23] is equipped with showing piece [24], one gland spring [19] is housed above the outward flange of fork-shaped cover [21], this gland spring [19] upper-end surface is pushed down by the stage clip cap [20] that is fixed on loam cake [13] top, stage clip cap [20] upper end is equipped with that a usefulness transparent material makes draws cap [22], the partial fixing that draws cap [22] and fork-shaped cover [21] to stretch out loam cake [13] top is connected, draw the side of cap [22] be carved with graduation line several.
2. multifunctional solution liquefied oil gas safety pressure governor according to claim 1 is characterized in that: the number of teeth of fork-shaped cover bottom is generally 2-4, also can be made into a plurality of.
3. multifunctional solution liquefied oil gas safety pressure governor according to claim 1 and 2, it is characterized in that: drawing cap [22] is cylindrical or conical carnival hat shape, in the lower end of drawing cap [22] shade shape flange is arranged, this flange outside diameter is greater than the external diameter of stage clip cap [20], draws cap [22] and fork-shaped cover [21] by being threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98227040 CN2333851Y (en) | 1998-06-12 | 1998-06-12 | Multi-functional safety pressure regulating valve for liquefied petroleum gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98227040 CN2333851Y (en) | 1998-06-12 | 1998-06-12 | Multi-functional safety pressure regulating valve for liquefied petroleum gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2333851Y true CN2333851Y (en) | 1999-08-18 |
Family
ID=33977436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98227040 Expired - Fee Related CN2333851Y (en) | 1998-06-12 | 1998-06-12 | Multi-functional safety pressure regulating valve for liquefied petroleum gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2333851Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987208A (en) * | 2015-03-16 | 2016-10-05 | 阿自倍尔株式会社 | Pressure-reducing valve |
-
1998
- 1998-06-12 CN CN 98227040 patent/CN2333851Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987208A (en) * | 2015-03-16 | 2016-10-05 | 阿自倍尔株式会社 | Pressure-reducing valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |