CN2465012Y

CN2465012Y - Processure-releasing valve structure with pressure regulation

Info

Publication number: CN2465012Y
Application number: CN 01203398
Authority: CN
Inventors: 吴民雄; 林长志; 洪敏雄
Original assignee: Lian Enterprises Ltd
Current assignee: Lian Enterprises Ltd
Priority date: 2001-02-16
Filing date: 2001-02-16
Publication date: 2001-12-12
Anticipated expiration: 2011-02-16

Abstract

The utility model relates to a pressure-releasing valve structure with a pressure regulation function. The main structure of the utility model is that a long shaft of a valve body forms an accommodating chamber and a conical releasing port towards an inner edge for a water stop piston, an elastic member and a regulating bolt to be arranged in order, wherein, one end of the water stop piston is provided with a conical water stop part and sheathed with a waterproof ring which just can be inlaid in the releasing port, and the elastic member is arranged between the water stop piston and the regulating bolt to force the water stop part to be inlaid on the releasing port in normal states; the regulating bolt is screwed on one end of the valve body.

Description

Has pressure controlled pressure-relief valve structure

The utility model is relevant with Decompression valves, is meant a kind of manual, automatic dual-purpose Decompression valves that makes things convenient for and regulate Decompression valves pressure arbitrarily especially.

Generally must use machinery equipment such as drinking machine, the air compressor etc. of hydraulic pressure or pneumatics, all device is useful on the control valve (or Decompression valves) of adjusting, the control water yield or pressure in its mechanism, these control valves use go up except that want easy to operate, sealing, to end the anti-reverse effect of pressing also more important.General Decompression valves uses form can be divided into two kinds of automatic or manuals, certainly, also has to have concurrently automatically and manual control valve.Fig. 6, Fig. 7 is a prior art, by prior art as can be known, a kind of possess manually and the improvement of self-relieving pressure-relief valve structure simultaneously, it mainly is a sheathed post bolt in a valve body, this post bolt one end is installed with a seal ring, and and be arranged with a conjunction base, one spring ring and a positioning ring, the other end then with a spanner Joint, the technological means of its feature is: form two " cams " on this spanner, this two cam is embedded in " pulling groove " on the positioning ring, after the user pulls spanner downwards, can " simultaneously " impel positioning ring to move,, and then adjust the pressure release elastic force of spring ring seal ring with the space of regulation and control pressure spring circle in the mode of turn spanner, make the user control releasing pressure automatically arbitrarily and reach the optimum state etc., not only there is inevitably disappearance in this located by prior art in manual use, simultaneously but in fact,, its what is called can " arbitrarily " the self-relieving state of control also at will have a talk about and, its disappearance is as follows:

1. on manually using, because traditional Decompression valves must be pulled just adjustable inside pressure size by the mat hand tools, control is inconvenient, and inner body is tired also can leak, and does not also have the design of adjustment, so perfect inadequately.

2. on using automatically, what is called can be controlled releasing pressure automatically pressure arbitrarily and reach the optimum state, be to utilize spanner to transfer the displacement of positioning ring in fact, in fact, this effect can't be reached at all, because the cam of this spanner be embedded at this positioning ring pull on the groove time, and utilize a shank and this post bolt pivot admittedly, therefore, this spanner can be said so and this post bolt " is fixed as one ", so, how can be when this post bolt be moved, reach the action of the position of adjusting this positioning ring? in other words, the shift motion of promptly commonly using the creation positioning ring must make post bolt and spanner move down simultaneously and just may finish, so do not possess the function that what is called " is regulated releasing pressure automatically pressure arbitrarily ".

3. on the non-return effect, located by prior art is to set firmly seal ring at this post bolt one end, utilize this seal ring contact at water intake, and reach non-return effect, but because this seal ring is planar, the stagnant water effect that is possessed is not good, and the necessity that is improved is arranged.

Main purpose of the present utility model is in order to overcome the disappearance of prior art, a kind of pressure controlled pressure-relief valve structure that has to be provided, and this Decompression valves has dual non-return effect, possess manually and self-relieving effect, and also easy to use.

To achieve these goals, the utlity model has pressure controlled pressure-relief valve structure, mainly be that major axis at a kind of valve body forms a room and a liberation port to inner edge, in order to adjust piston, and one to adjust bolt and install for a sealing piston, an elastic component, one in regular turn, wherein, this sealing piston one end has a sealing portion, and be nested with a waterproof ring, but make its by chance embedding be butted on this liberation port place, and this elastic component places between this sealing piston and this adjustment bolt, with so that be embedded at this liberation port place during this sealing portion normality; This adjustment bolt is arranged in this valve body one end, moves in order to spiral shell and adjusts the spatial position that this elastomer is positioned at valve body, uses the pressure of regulating pressure release.

Further understand technological means of the present utility model and structure characteristic in depth for making, cooperate embodiment and accompanying drawing thereof to be specified in the back now:

Fig. 1 is the utility model embodiment part perspective exploded view.

Fig. 2 is the utility model embodiment combination dissected figure.

Fig. 3 is another embodiment's three-dimensional exploded view of the utility model.

Fig. 4 is another embodiment's assembled sectional view of the utility model.

Fig. 5 is the stereo appearance figure of another embodiment's combination of the utility model.

Fig. 6 is a three-dimensional exploded view of commonly using each assembly of Decompression valves.

Fig. 7 is an assembled sectional view of commonly using each assembly of Decompression valves.

Among the figure:

10-valve body, 11-room

12-liberation port, 13-water intake

14-thread section, 15-water outlet

20-sealing piston rod, 21-sealing portion

22-ring protuberance, 23-annular groove

30-elastic component 40-adjustment bolt

41-spiro union portion, 42-screw section

43-spiral shell moves groove 50-holding down bolt

60-waterproof ring, 70-block

80-stop member, 81-cap

82-spiral shell is established portion's 83-hex slot seat

90-plug screw

See also Fig. 1, shown in Figure 2, the utlity model has pressure controlled pressure-relief valve structure, include, a valve body 10, a sealing piston 20, an elastic component 30, are adjusted a bolt 40 and a location nut 50, wherein:

This valve body 10 is pipe body shape, its major axis inwardly originates from an end and runs through formation one room 11, a liberation port 12 and a water intake 13 toward the other end, these room 11 outsides form a thread section 14, also spiral shell is solid in order to install for this sealing piston 20, elastic component 30 and adjustment bolt 40 in regular turn, and this liberation port 12 is to be the oblique cone shape of convergent by an end toward the other end, and connects with the water intake 13 of the other end; These valve body 10 outer circumferential side appropriate locations provide a water outlet 15 that is connected with this room 11 in addition, discharge in order to hydraulic pressure or the air pressure that will discharge.

This sealing piston 20 slightly is cross, has a sealing portion 21 and a ring protuberance 22, and this sealing portion 21 is oblique cone shape, just can be and be embedded butt, and possess non-return effect, on it and be formed with an annular groove 23 with this liberation port 12, can a sheathed waterproof ring 60, use the non-return effect that reaches dual.

This elastic component 30 is a pressure spring, and an end apical grafting is on the ring protuberance 22 of this sealing piston 20, and the other end is then replaced mutually with this adjustment bolt 40, makes replacing at this of these sealing portion 21 normalities discharge 12 places in order to its compression elasticity of mat.

This adjustment bolt 40 generally is the T font, one end forms the spiro union portion 41 in big footpath, just can be arranged in the thread section 13 of this valve body 10, the other end outer circumferential face then forms a screw section 42, and its ora terminalis is also offered the moving groove 43 of a spiral shell, can set the position for location nut 50 spiral shells, this adjustments bolt 40 is in order to adjusting the spatial position that this elastic component 30 is positioned at valve body 10, and then adjusting elastic component 30 adds the pressure release strength that is pressed in this sealing portion 21.

In view of the above, the member that mat is above-mentioned when the user is moved with manual type turn this adjustment bolt 40 outside spiral shells by moving groove 43 positions of spiral shell, can make the position of these sealing portion 21 these liberation ports 12 of disengaging and reaches the purpose of manual pressure release.When if user's desire is used releasing pressure automatically, then the mode that can utilize spiral shell to move this adjustment bolt 40 is adjusted the elastic force of this elastic component 30 and is executed the pressure release size that is butted on sealing portion 21, uses this Decompression valves is possessed manually and self-relieving function, simultaneously, more can adjust its self-relieving pressure arbitrarily.

From the above, the utility model is when using the pressure release mode of automatic or manual, all can optionally adjust the pressure release elastic force size of these 30 pairs of sealing portions 21 of elastic component, reach any pressure regulation, have absolute novelty, progressive really than located by prior art, again, the utility model is on the effect of sealing, utilize this sealing portion that is oblique cone shape respectively 21 and this liberation port 12 to be and be embedded butt, a sheathed again waterproof ring 60 on it and can possess dual non-return effect has more stagnant water effect than known techniques.

In addition, please referring to Fig. 3, Fig. 4 and shown in Figure 5, the embodiment of another manual utilization structure of the present utility model, liberation port 12 in this valve body 10 forms an arc subulate, and can be for a block 70 of putting a circle and a long block stop member 80 in this room 11, these stop member 80 stage casings are wears hollow structure, and an end forms the cap 81 of a concave arc shape, the other end then forms a spiro union portion 82, and its inner rim is offered a hex slot seat 83, and this stop member 80 can be arranged in thread section 14 places of this valve body 10, uses making its cap 81 can by chance coat a circumferential surface of this block 70, and make this block 70 keep out at liberation port 12 places, again, a plug screw 90 is arranged in thread section 14 outermost end of valve body 10, in order to this stop member 80 of butt.

In sum, the utlity model has pressure controlled pressure-relief valve structure, is a design that has practicability and progressive really, existing files an application in accordance with the law, and Qi please examine and patent early.

Claims

1. one kind has pressure controlled pressure-relief valve structure, and it comprises a valve body, a sealing piston, an elastic component and an adjustment bolt, it is characterized in that:

This valve body major axis inwardly originates from an end and provides and be formed with a room and a liberation port toward the other end, and this liberation port is oblique cone shape, and connects with the water intake of the other end, and this room is in order in being arranged at for this sealing piston, elastic component and positioning screw cap in regular turn; This valve body outer circumferential side appropriate location provides a water outlet that is connected with this room in addition;

This sealing piston has a sealing portion and ring protuberance, slightly is crosswise, and this sealing portion is generally tapered, but just embedding is butted on this liberation port place, forms an annular groove on it, just can be nested with a waterproof ring;

This elastic component one end is resisted against the ring protuberance place of this sealing piston, and the other end and this adjustment bolt connect, with so that be embedded at this liberation port place during this sealing portion normality;

This adjustment bolt is arranged in this valve body one end.

2. according to claim 1 have a pressure controlled pressure-relief valve structure, it is characterized in that this adjustment bolt one end is formed with an outer spiral shell portion, can establish for a location nut spiral shell.