CN219432546U

CN219432546U - Integrated self-closing valve

Info

Publication number: CN219432546U
Application number: CN202320350648.6U
Authority: CN
Inventors: 黄诚辉
Original assignee: Sichuan Basen Technology Co ltd
Current assignee: Sichuan Basen Technology Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-07-28
Anticipated expiration: 2033-03-01

Abstract

The utility model belongs to the field of gas safety valves, and in particular relates to an integrated self-closing valve which comprises a valve cover and a valve body, wherein the valve cover is arranged at the upper end of the valve body and forms a cavity with the valve body, and two ends of the valve body are respectively provided with an air inlet and an air outlet; the ball valve is arranged at the air inlet; the air outlet valve is arranged at the air outlet and comprises a cutting assembly, a sliding block, an overflow blocking table and a rubber plug, wherein the cutting assembly is vertically arranged in a cavity of a valve cover and a valve body, the lower end of the cutting assembly is in sliding connection with the sliding block, the sliding block can be driven to horizontally move in the valve body, the overflow blocking table is arranged at the air outlet, an air vent is arranged in the valve body for the sliding block to pass through, the sliding block can be in the air vent in a sliding fit manner, the right end of the sliding block is connected with the rubber plug, the diameter of the rubber plug is larger than that of the air vent, and the inner side of the rubber plug can be abutted to the air vent, so that the assembly is convenient.

Description

Integrated self-closing valve

Technical Field

The utility model belongs to the field of gas safety valves, and particularly relates to an integrated self-closing valve.

Background

The fuel gas is taken as a new energy fuel, is an indispensable energy source for thousands of households, in particular to a kitchen, a pipeline fuel gas is installed in a middle and large city, wherein a fuel gas valve is an important component, and the pipeline fuel gas is opened or blocked by controlling the opening and closing of the fuel gas valve, but in the process of using the fuel gas valve by residents, dangerous accidents such as fuel gas leakage, out-of-control pressure regulation and the like often occur, and the occurrence of safety accidents can be effectively reduced by safely installing the cut-off overcurrent self-closing valve.

The top cap component of the existing self-closing valve in the market is complex in connection with the valve rod, more in parts, complex in production process and complex in assembly steps.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an integrated self-closing valve, which aims to solve the problems of complex connection between a top cap assembly and a valve rod, more parts, complex production process and complex assembly steps of the existing self-closing valve.

The technical scheme adopted by the utility model is as follows: the integrated self-closing valve comprises a valve cover and a valve body, wherein the valve cover is arranged at the upper end of the valve body and forms a cavity with the valve body, and the two ends of the valve body are respectively provided with an air inlet and an air outlet;

the ball valve is arranged at the air inlet;

the air outlet valve, the air outlet valve sets up at the gas outlet, including cutting off subassembly, slider, overflow stifled platform and plug, the vertical setting of cutting off subassembly is in the cavity of valve gap and valve body, the lower extreme and the slider sliding connection of cutting off the subassembly can drive the slider and move in the valve body is horizontal smooth, overflow stifled platform sets up at the gas outlet, be equipped with the air vent in the valve body and pass for the slider, slider can sliding fit in the air vent, the slider right-hand member is connected with the plug, the diameter of plug is greater than the diameter of air vent, the inboard of plug can the butt on the air vent.

Further, the cutting assembly comprises a reset button, an iron pull rod, a magnet, a limiting plate, a central push rod and a limiting seat, wherein the limiting seat is arranged in the valve body, the central push rod can vertically slide and is arranged in the limiting seat, the limiting plate is arranged on the central push rod, the upper end of the central push rod penetrates through the limiting plate and is connected with the bottom of the magnet, the upper end of the iron pull rod is connected with the reset button, the lower end of the iron pull rod drives the iron pull rod through attraction of the magnet, and the lower end of the central push rod is in sliding connection with the sliding block.

Further, the spout that link up along the left and right sides is offered to center push rod lower extreme for the slider to put into, the side is provided with the wedge groove around the center push rod, wedge groove and spout intercommunication, correspond on the side around the slider the wedge groove is provided with the slide bar, the slide bar can sliding fit in the wedge groove.

Further, be equipped with the diaphragm in the cavity of valve gap and valve body, the diaphragm edge sets up at the valve body upper surface to compress tightly the diaphragm edge through the valve gap, the diaphragm divides into two upper and lower sealed cavities of airtight with the cavity, the diaphragm cup joints at iron pull rod lower extreme.

Further, the reset button comprises a reset Niu Natao and a reset button outer sleeve, the reset button inner sleeve is sleeved at the upper end of the iron pull rod, an inner hole of the reset button inner sleeve is tightly matched with the iron pull rod, the reset Niu Natao is in coaxial clearance fit with the reset Niu Waitao, and the reset button outer sleeve is in coaxial clearance fit with a boss at the upper part of the valve cover.

Further, the ball valve includes handle, ball valve rod and copper ball, the handle sets up on the valve body, ball valve rod cover is established in the handle, ball valve rod lower extreme runs through the valve body and stretches into the valve body and be connected with copper ball upper end, the copper ball sets up in the valve body, copper ball runs through along the horizontal direction and is equipped with the through-hole.

Further, a small valve overflow piece is arranged in the overflow plugging table.

The utility model has the beneficial effects that:

through valve gap, valve body, air inlet, gas outlet, air outlet valve, cutting off subassembly, slider, overflow stifled platform, plug and the cooperation of air vent use, cutting off the lower extreme and slider sliding connection of subassembly, can drive the slider and move in the valve body horizontal plane, and the slider can sliding fit in the air vent, the slider right-hand member is connected with the plug, and the diameter of plug is greater than the diameter of air vent, and the inboard of plug can the butt on the air vent for this integral type self-closing valve simple structure, equipment are convenient, simplified production technology and leakproofness are good.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;

the drawings are noted as follows:

valve cap 1, valve body 2, air inlet 21, air outlet 22, air vent 23, ball valve 3, handle 31, ball valve stem 32, copper ball 33, air outlet valve 4, slider 41, overflow shutoff table 42, rubber plug 43, small valve overflow piece 44, shut-off assembly 5, reset button 51, iron pull rod 52, magnet 53, limiting plate 54, center push rod 55, limiting seat 56, reset Niu Natao 57, reset Niu Waitao 58, chute 6, wedge groove 7, slide rod 8, membrane 9.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 3, an integrated self-closing valve comprises a valve cover 1 and a valve body 2, wherein the valve cover 1 is arranged at the upper end of the valve body 2 and forms a cavity with the valve body 2, and two ends of the valve body 2 are respectively provided with an air inlet 21 and an air outlet 22;

a ball valve 3, the ball valve 3 being provided at the air inlet 21;

the air outlet valve 4, the air outlet valve 4 sets up at gas outlet 22, including cutting off subassembly 5, slider 41, overflow stifled platform 42 and plug 43, the vertical setting of cutting off subassembly 5 is in the cavity of valve gap 1 and valve body 2, the lower extreme and the slider 41 sliding connection of cutting off subassembly 5 can drive slider 41 and move in valve body 2 water smoothness, overflow stifled platform 42 sets up at gas outlet 22, be equipped with the air vent 23 in the valve body 2 and supply slider 41 to pass, slider 41 can sliding fit in air vent 23, slider 41 right-hand member is connected with plug 43, the diameter of plug 43 is greater than the diameter of air vent 23, the inboard butt of plug 43 is on air vent 23.

As a preferred scheme, the cutting assembly 5 comprises a reset button 51, an iron pull rod 52, a magnet 53, a limiting plate 54, a central push rod 55 and a limiting seat 56, wherein the limiting seat 56 is arranged at the inner bottom of the valve body 2, the central push rod 55 is arranged in the limiting seat 56 in a vertically sliding manner, the limiting plate 54 is arranged on the central push rod 55, the upper end of the central push rod 55 penetrates through the limiting plate 54 and is connected with the bottom of the magnet 53, the upper end of the iron pull rod 52 is connected with the reset button 51, the lower end of the iron pull rod 52 drives the iron pull rod 52 through attraction with the magnet 53, and the lower end of the central push rod 55 is in sliding connection with the sliding block 41. Specifically, the limiting plate 54 is made of iron, and has attraction with the magnet 53, so that the magnet 53 can be attracted with the limiting plate 54, the limiting plate 54 enables the magnet 53, the center push rod 55 and the iron pull rod 52 to be coaxial, and the limiting plate 54 can drive the magnet 53 and the center push rod 55 to move up and down simultaneously.

As a preferable scheme, the lower end of the central push rod 55 is provided with a chute 6 penetrating along the left side and the right side for the slide block 41 to be placed in, the front side and the rear side of the central push rod 55 are provided with wedge grooves 7, the wedge grooves 7 are communicated with the chute 6, the front side and the rear side of the slide block 41 are provided with slide bars 8 corresponding to the wedge grooves 7, and the slide bars 8 can be in sliding fit in the wedge grooves 7. Through the cooperation of center push rod 55, spout 6, slider 41, wedge groove 7 and slide bar 8, specifically, wedge groove 7 lower extreme is inclined towards plug 43 for when center push rod 55 reciprocates, drive slide bar 8 and slide in wedge groove 7, then drive slider 41 and slide about in spout 6.

As a preferred scheme, the cavities of the valve cover 1 and the valve body 2 are internally provided with a membrane 9, the edge of the membrane 9 is arranged on the upper surface of the valve body 2 and is tightly pressed by the valve cover 1, the cavity is divided into an airtight upper sealing chamber and an airtight lower sealing chamber by the membrane 9, and the membrane 9 is sleeved at the lower end of the iron pull rod 52. Specifically, the diaphragm 9 is fixedly connected with the iron pull rod 52 through a clamp spring, and the bulge at the edge of the diaphragm 9 is pressed into the sealing groove of the valve body 2, so that the diaphragm 9 divides the cavity into an upper cavity and a lower cavity which are airtight.

Preferably, the reset button 51 comprises a reset Niu Natao and a reset Niu Waitao, the reset Niu Natao is sleeved on the upper end of the iron pull rod 52, an inner hole of the reset Niu Natao is tightly matched with the iron pull rod 52, the reset Niu Natao is coaxially and clearance matched with the reset button jacket 58, and the reset Niu Waitao is coaxially and clearance matched with a boss on the upper part of the valve cover 1. So that the reset Niu Natao and the iron pull rod 52 are connected into a whole, and the reset Niu Waitao can drive the reset Niu Natao and the iron pull rod 52 to move upwards together when moving upwards.

As a preferred scheme, the ball valve 3 comprises a handle 31, a ball valve rod 32 and a copper ball 33, wherein the handle 31 is arranged on the valve body 2, the ball valve rod 32 is sleeved in the handle 31, the lower end of the ball valve rod 32 penetrates through the valve body 2 to extend into the valve body 2 and is connected with the upper end of the copper ball 33, the copper ball 33 is arranged in the valve body 2, and the copper ball 33 is provided with a through hole in a penetrating manner along the horizontal direction. Through setting up the cooperation of handle 31, ball valve rod 32 and copper ball 33 and using, through the opening direction of rotating handle 31 control copper ball 33 to the opening and closing of control self-closing valve outlet duct.

Preferably, a small valve overflow piece 44 is further disposed in the overflow block 42. The air flow can be restricted.

The working mode of the utility model is as follows:

when in use, the opening direction of the copper ball 33 is controlled by rotating the handle 31, the opening of the air inlet pipe of the self-closing valve is controlled, after ventilation, the self-closing valve lifts the reset Niu Waitao to drive the reset Niu Natao and the iron pull rod 52 to move upwards during normal operation,

through the attraction force between the lower end of the iron pull rod 52 and the magnet 53, the central push rod 55 on the limiting plate 54 is driven to move upwards, the central push rod 55 moves upwards, so that the sliding rod 8 slides in the wedge-shaped groove 7 to receive a rightward component force, and then the sliding block 41 is driven to slide in the sliding groove 6 to the right, the rubber plug 43 is separated from the air vent 23 of the valve body 2, the self-closing valve starts to vent, and fuel gas is conveyed to a fuel gas appliance through the air inlet 21, the valve body 2, the air vent 23 and the air outlet 22;

as the air inflow in the valve body 2 becomes larger, air acts on the lower part of the diaphragm 9, when the upward force of pressure acting on the bottom of the diaphragm 9 is larger than the attraction force of the magnet 53 and the iron pull rod 52, the upper end of the magnet 53 is separated from the lower end of the iron pull rod 52, under the gravity of the magnet 53, the limiting plate 54 and the central push rod 55 and the attraction force between the magnet 53 and the limiting plate 54, the limiting plate 54 drives the magnet 53 and the central push rod 55 to move downwards, the central push rod 55 slides downwards in the limiting seat 56, the slide rod 8 is driven to slide in the wedge-shaped groove 7 and receive a leftward component force, the slide block 41 is driven to slide leftwards in the slide groove 6, the rubber plug 43 at the right end of the slide block 41 is enabled to be leftwards and abutted against the air vent 23, the closing of the self-closing valve is realized, and the air inflow is cut off;

when the air inlet pressure of the self-closing valve is too small, the air pressure in the valve body 2 is very low, because the upward force acting on the bottom of the diaphragm 9 is smaller than the attraction force of the magnet 53 and the limiting plate 54, the magnet 53 and the limiting plate 54 are attracted, under the action of gravity, the center push rod 55 is driven to slide downwards, the slide rod 8 is driven to slide in the wedge-shaped groove 7 and receive a leftward component force, the slide block 41 is driven to slide leftwards in the slide groove 6, the rubber plug 43 at the right end of the slide block 41 is enabled to leftwards and abut against the air vent 23, the closing of the self-closing valve is realized, and the air inlet is cut off.

The present utility model has been described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. An integral type self-closing valve which characterized in that: comprising

The valve cover (1) and the valve body (2), wherein the valve cover (1) is arranged at the upper end of the valve body (2) and forms a cavity with the valve body (2), and two ends of the valve body (2) are respectively provided with an air inlet (21) and an air outlet (22);

a ball valve (3), the ball valve (3) being arranged at the air inlet (21);

the air outlet valve (4), air outlet valve (4) set up in gas outlet (22), including cutting off subassembly (5), slider (41), overflow stifled platform (42) and plug (43), the vertical setting of cutting off subassembly (5) is in the cavity of valve gap (1) and valve body (2), the lower extreme and slider (41) sliding connection of cutting off subassembly (5) can drive slider (41) and move in valve body (2) water level, overflow stifled platform (42) set up in gas outlet (22), be equipped with blow vent (23) in valve body (2) for slider (41) to pass, slider (41) can sliding fit in blow vent (23), slider (41) right-hand member and plug (43) are connected, the diameter of plug (43) is greater than the diameter of blow vent (23), the inboard butt of plug (43) can be on blow vent (23).

2. An integrated self-closing valve as recited in claim 1, wherein: the cutting assembly (5) comprises a reset button (51), an iron pull rod (52), a magnet (53), a limiting plate (54), a central push rod (55) and a limiting seat (56), wherein the limiting seat (56) is arranged at the inner bottom of the valve body (2), the central push rod (55) can vertically slide and is arranged in the limiting seat (56), the limiting plate (54) is arranged on the central push rod (55), the upper end of the central push rod (55) penetrates through the limiting plate (54) and is connected with the bottom of the magnet (53), the upper end of the iron pull rod (52) is connected with the reset button (51), the lower end of the iron pull rod (52) is driven by being attracted with the magnet (53), and the lower end of the central push rod (55) is in sliding connection with the sliding block (41).

3. An integrated self-closing valve as recited in claim 2, wherein: the sliding groove (6) which is communicated with the left side and the right side along the lower end of the center push rod (55) is formed in the position, for the sliding block (41) to be placed in, wedge grooves (7) are formed in the front side and the rear side of the center push rod (55), the wedge grooves (7) are communicated with the sliding groove (6), sliding rods (8) are arranged on the front side and the rear side of the sliding block (41) corresponding to the wedge grooves (7), and the sliding rods (8) can be in sliding fit in the wedge grooves (7).

4. A unitary self-closing valve as defined in claim 3, wherein: the valve cover is characterized in that a diaphragm (9) is arranged in a cavity of the valve cover (1) and a cavity of the valve body (2), the edge of the diaphragm (9) is arranged on the upper surface of the valve body (2), the edge of the diaphragm (9) is tightly pressed through the valve cover (1), the cavity is divided into an upper sealing cavity and a lower sealing cavity which are airtight by the diaphragm (9), and the diaphragm (9) is sleeved at the lower end of the iron pull rod (52).

5. An integrated self-closing valve as recited in claim 2, wherein: the reset button (51) comprises a reset Niu Natao (57) and a reset Niu Waitao (58), the reset Niu Natao (57) is sleeved at the upper end of the iron pull rod (52), an inner hole of the reset Niu Natao (57) is tightly matched with the iron pull rod (52), the reset Niu Natao (57) is in coaxial clearance fit with the reset Niu Waitao (58), and the reset Niu Waitao (58) is in coaxial clearance fit with a boss on the upper portion of the valve cover (1).

6. An integrated self-closing valve as recited in claim 1, wherein: ball valve (3) are including handle (31), ball valve rod (32) and copper ball (33), handle (31) set up on valve body (2), ball valve rod (32) cover is established in handle (31), ball valve rod (32) lower extreme runs through valve body (2) and stretches into in valve body (2) and be connected with copper ball (33) upper end, copper ball (33) set up in valve body (2), copper ball (33) are run through along the horizontal direction and are equipped with the through-hole.

7. An integrated self-closing valve as recited in claim 1, wherein: and a small valve overflow piece (44) is arranged in the overflow blocking table (42).