CN2415218Y

CN2415218Y - Sealed gas timing valve

Info

Publication number: CN2415218Y
Application number: CN 99240660
Authority: CN
Inventors: 卢应添
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-03
Filing date: 1999-11-03
Publication date: 2001-01-17
Anticipated expiration: 2009-11-03

Abstract

The utility model discloses a matching device which is suitable for a household gas range, which is a sealed gas timing valve composed of a timer, a timer output shaft, a boss wheel with double concave grooves, a regulating and controlling wheel, a pressing sheet fixed with a special bow-shaped spring, a piston valve and a valve body. The utility model is characterized in that an independent sealed piston valve is compact in structure, reliable in sealing and small in volume. The purposes of normal opening or timing closing of the piston valve can be correspondingly obtained by turning a knob on the timer output shaft left and right. A sound signal can also be sent out even if the normal opening or the timing closing are terminated to operate. The utility model has the advantages of direct viewing, convenience and perfect mechanical performance.

Description

The sealed type gas timing valve

The utility model relates to kind of a sealed type gas timing valve, is particularly suitable for the match equipment of domestic gas stove and accessory.

The patent of timing controlled combustion gas function is a lot of from the patent documentation library searching, all each special type.But they all are the valve core structures that adopts cylindricality, and Sealing all is to be fixed on the movable part of bar, axle or core, and long-range sealing reliability is undesirable.And the drop center wheel that adopts the original type of timer is as the regulation and control instrument, and mechanical property is also undesirable, also sound signal intuitively not when setting valve and often open air feed.

The purpose of this utility model is to provide a kind of compact structure, and sealing technology is reliable, the sealed type gas timing valve that volume is little.It can both can be set according to user's wish; Regularly closing gas also can set; Long-term air feed whenever timer stops in the operation point of setting, promptly can spread out of sound signal, and the machine mechanical property is perfect.

Sealed type gas timing valve of the present utility model to achieve these goals, by the dual-cavity boss wheel of prior mechanical timer and supporting design with it, the arc elastic pressing plate of the decorative pearl on top of an official cap is taken turns, is fixed with in blocked positioning key, regulation and control, reaches valve body, piston valve composition.Piston valve construction in order successively by eight latch spring sheets, steel ball spool, stuffing box gland, piston valve seal cup, male seal pad and be fixed with the decorative pearl on top of an official cap arc elastic pressing plate, form by O shape bolton bottom in valve body, and become hermetic piston valve.Timer is by being bolted in the valve body.The timer output shaft, on dual-cavity boss wheel is housed, debug the control wheel down,, close not under the condition of pressurized on steel ball spool top at the active force lower piston valve of eight latch spring sheets.And the decorative pearl on top of an official cap is just dropping in the shrinkage pool of regulation and control wheel on the arcuate bombing leaf, and the blocked location is strong also to embed in the dual-cavity boss wheel corresponding A groove simultaneously.The timer output shaft turns left, turns right, reach the purpose that piston valve often leaves or regularly close with regard to corresponding.Stop moving the signal of also can sounding.

The utility model adopts indirection type moving by the male seal dig pass, makes the piston valve action, so sealing effect is significantly improved.Piston valve structure precision height, cost is low, compact structure, the bodily form is little.Adopt in addition dual-cavity boss wheel design note can satisfy visual sense also perfect mechanical property.Concrete structure of the present utility model is provided by following embodiment and accompanying drawing.

Fig. 1 is the sectional view of the sealed type gas timing valve specific embodiments that the utility model proposes.

Fig. 2 is the local view that amplifies among Fig. 1.

Fig. 3 be among Fig. 1 A to plan view.

Fig. 4 be among Fig. 3 B to right elevation.

Fig. 5 is that the dual-cavity boss is taken turns the plan view of rabbeting with the blocked positioning key among Fig. 1.

Fig. 6 is the plan view of eight latch spring sheets among Fig. 1.

Describe the details of the utility model concrete structure and working condition in detail below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6.

The utility model is by following parts; Valve body (1), the decorative pearl on top of an official cap (2), timer output shaft (3), steel ball spool (4), regulation and control wheel (5) blocked positioning key (6), check ring (7), timer (8), dual-cavity boss wheel (10) arc elastic pressing plate (11), male seal pad (12), bolt (13), O shape bolt (14), piston valve seal cup (15), stuffing box gland (16), eight latch spring sheets (17) are formed.Eight latch spring sheets (17) are inlaid on the shoulder of the interior bottom of valve body (1), steel ball spool (4) is connected eight latch spring sheet (17) central authorities, stuffing box gland (16) is enclosed within on the steel ball spool (4), piston valve seal cup (15) is pressed on the stuffing box gland (16), the boss of male seal pad (12) connects steel ball spool (4), the semielliptic spring compressing tablet (11) that is fixed with the decorative pearl on top of an official cap (2) changes on male seal pad (12), and being fastened to by O shape bolt (14) becomes a hermetic piston valve (9) in the valve body (1).At this moment piston valve (9) cuts out under the elastic force of eight latch spring sheets (17).Timer (8) is by fixing with bolt (13) with the interior corresponding hole of valve body (1).Timer output shaft (3) is gone up setting-in and dual-cavity boss wheel (10), is equipped with down by the fixing regulation and control wheels (5) of check ring (7).At this moment the decorative pearl on top of an official cap (2) on the semielliptic spring compressing tablet (11) is just dropping in the shrinkage pool of regulation and control wheels (5).Blocked positioning key (6) is taken turns in (10) corresponding A groove at the dual-cavity boss in interlocking under the active force of spring.The situation that the above-described Fig. 1 of being showed.The parts that direct connection is not arranged with piston valve (9) in the timer (8), not drawing among Fig. 1 is next.

Working condition of the present utility model is as follows:

A, set long-term air feed: the knob that left-hand rotates on the timer output shaft (3) is promptly listened one that reaches, and the A groove that blocked positioning key (6) withdraws from dual-cavity boss wheel (10) embeds the B groove under the boss.Its afterbody is out of service with seasonal timer (8).And the decorative pearl on top of an official cap (2) is also expelled shrinkage pool by regulation and control wheels (5) simultaneously, is parked under its bottom.Arc elastic pressing plate (11) is toward pressing down, and by male seal pad (12) transmission, steel ball spool (4) sinks to separating with stuffing box gland (16), and piston valve (9) just becomes normally open, and combustion gas is promptly negotiable.

Gas is regularly closed in b, setting: the knob on the dextrad rotation timer output shaft (3) is to the position of needed time, and the A groove that blocked positioning key (6) withdraws from dual-cavity boss wheel (10) is parked on its periphery.Its afterbody is also eliminated simultaneously timer (8) operation limit is squeezed, and the decorative pearl on top of an official cap (2) is also expelled shrinkage pool by regulation and control wheels (5) simultaneously, is parked under its bottom.Piston valve (9) just also becomes normally open, and combustion gas is promptly negotiable.When hand leaves knob on the timer output shaft (3), timer (8) operation that just picks up counting, in the time of setting, under the spring reaction power of timer (8), timer output shaft (3) turns back to the position of starting.The sound that blocked positioning key (6) promptly reaches is from the A groove of new embedding dual-cavity boss wheel (10), and its afterbody is out of service with seasonal timer (8).The decorative pearl on top of an official cap (2) also drops in the shrinkage pool of regulation and control wheel at one time, and after steel ball spool (4) was eliminated pressure, under the active force of eight latch spring sheets, piston valve cut out, and combustion gas is not promptly circulated, and is returned to the state of Fig. 1.

Claims

1, a kind of match equipment that is suitable for the domestic gas stove and accessory, the sealed type gas timing valve, it is by prior mechanical timer (8), timer output shaft (3), valve body (1), piston valve (9) is formed, it is characterized in that piston valve (9) is inlaid on the shoulder of the interior bottom of valve body (1) by eight latch spring sheets (17), steel ball spool (4) is connected eight latch spring sheet (17) central authorities, stuffing box gland (16) is enclosed within on the steel ball spool (4), piston valve seal cup (15) is pressed on the stuffing box gland (16), the boss of male seal pad (12) connects steel ball spool (4), the arc elastic pressing plate (11) that is fixed with the decorative pearl on top of an official cap (2) changes on male seal pad (12), is fastened on independent sealed forming in the valve body (1) by O shape bolt (14).

2, device according to claim 1, it is characterized in that timer (8) is by being bolted in the valve body (1), dual-cavity boss wheel (10) is housed on its timer output shaft (3), be equipped with down by the fixing regulation and control wheels (5) of check ring (7), blocked positioning key (6) is connected with dual-cavity boss wheel (10) limit under acting force of the spring, and the working surface of regulation and control wheels (5) is connected with the decorative pearl on top of an official cap (2) on the arc elastic pressing plate (11).