CN218000501U

CN218000501U - Gas valve with protection function on electromagnetic valve

Info

Publication number: CN218000501U
Application number: CN202221852605.XU
Authority: CN
Inventors: 牛人田; 余昔志; 袁旭锐
Original assignee: Guangdong Jin Shang Intelligent Electric Co ltd
Current assignee: Guangdong Jin Shang Intelligent Electric Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-09
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses a gas valve that has protect function to solenoid valve, which comprises a valve body, be equipped with main gas channel in the valve body, be equipped with the air inlet flue and the air flue of giving vent to anger that are linked together with main gas channel on the valve body, be equipped with case and solenoid valve in the main gas channel, the solenoid valve is located the department of being connected of main gas channel and air flue of giving vent to anger, the case is located the department of being connected of air flue and main gas channel of giving vent to anger, case and solenoid valve are from top to bottom the interval setting, be equipped with the opening on the valve body, it has the valve rod that is used for driving case rotation and pressure electric shock solenoid valve and opens to peg graft downwards in the upper end opening of valve body, the valve rod is from top to bottom to pass the case and extend to the solenoid valve top, be equipped with the reset assembly that is used for driving the valve rod and upwards resets in the valve body, be equipped with stopper complex spacing ring in the valve body, be equipped with the bellied boss that makes progress on the spacing ring, the boss is located the stopper under. The utility model has the advantages of simple and reasonable structure, protection to the solenoid valve.

Description

Gas valve with protection function on electromagnetic valve

Technical Field

The utility model relates to a gas valve that has protect function to the solenoid valve.

Background

In a household gas cooker, a gas valve is usually adopted to control the stopping and opening of gas and adjust the gas quantity in a pipeline, and the gas valve has good control characteristics and closing sealing performance, so that the safe use of the gas cooker is ensured.

Traditional gas valve drives the case through the valve rod and rotates and simultaneously backs down the solenoid valve, makes the gas in the air flue that admits air enter into main air flue, then enters into in the air flue of giving vent to anger from main air flue again.

Based on the aforesaid, the valve rod of current gas valve does not have the buffer stroke, can directly contact with the solenoid valve through pressing valve rod, and this has just led to under abrupt decurrent external force, and the valve rod pushes down in the twinkling of an eye can crush the solenoid valve. When the knob of the valve rod is installed, the knob needs to be forcibly inserted and matched with the valve rod. In the other case, the valve rod is driven by external force to be pressed down instantly. Such as a heavy object pressing on the valve stem or a person accidentally touching the valve stem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a gas valve constructs that has protect function to the solenoid valve.

The gas valve with the protection function on the electromagnetic valve comprises a valve body, wherein a main air passage is arranged in the valve body, an air inlet passage and an air outlet passage which are communicated with the main air passage are arranged on the valve body, a valve core and an electromagnetic valve are arranged in the main air passage, the electromagnetic valve is positioned at the joint of the main air passage and the air inlet passage, the valve core is positioned at the joint of the air outlet passage and the main air passage, the valve core and the electromagnetic valve are arranged at intervals from top to bottom, an opening is formed in the upper end of the valve body, a valve rod for driving the valve core to rotate and pressing the electromagnetic valve to open is downwards inserted into the opening in the upper end of the valve body, the valve rod penetrates through the valve core from top to bottom and extends to the upper part of the electromagnetic valve, a reset assembly for driving the valve rod to reset upwards is arranged in the valve body, a limit block is arranged on the valve rod, a limit ring matched with the limit block is arranged in the valve body, an upwards-protruding boss is arranged on the limit ring, and the boss is positioned under the limit block.

Preferably, the valve rod is composed of a main valve rod for starting the valve core to rotate and an auxiliary valve rod for pressing and contacting the electromagnetic valve to drive the electromagnetic valve to open, and the limiting block is arranged on the main valve rod.

Preferably, an annular mounting cavity is formed in the inner wall of the upper portion of the main air duct, and the limit ring is fixedly arranged in the annular mounting cavity.

Preferably, the upper end face of the valve core is provided with a convex ring extending upwards, the convex ring is provided with a longitudinal guide groove, and the limiting block is movably inserted in the longitudinal guide groove.

Preferably, the reset assembly comprises a reset spring, the reset spring is sleeved on the upper portion of the auxiliary valve rod, a limiting piece is arranged on the upper end face of the auxiliary valve rod, the upper end of the reset spring abuts against the lower end face of the limiting piece, and the lower end of the reset spring abuts against the upper end face of the valve core.

Preferably, a circular groove is formed in the lower end face of the main valve rod, and the limiting piece is circular and embedded into the circular groove.

Preferably, the upper part of the valve core is provided with a communicating air passage communicated with the main air passage, the side wall of the valve core is provided with an air outlet communicated with the communicating air passage, the upper end face of the valve core is provided with a counter bore communicated with the communicating air passage, the auxiliary valve rod and the counter bore are in interference fit and extend downwards, a sealing ring is arranged in the counter bore, the outer side wall of the sealing ring is attached to the inner wall of the counter bore, and the inner side wall of the sealing ring is attached to the outer wall of the auxiliary valve rod.

The utility model has the advantages of simple and reasonable structure, have and carry out the protection to the solenoid valve, compare with prior art be equipped with the stopper on the valve rod, be equipped with in the valve body with stopper complex spacing ring, be equipped with the bellied boss that makes progress on the spacing ring, the boss is located under the stopper. The utility model discloses a cooperation of boss and stopper, when the valve rod was downward, stopper and boss laminating can't continue to push down. Only the valve rod can be rotated at the time, so that the limiting block is separated from the position right above the boss and can be pressed down again. Therefore, the electromagnetic valve can be protected, the electromagnetic valve cannot be ejected by the valve rod once, and the electromagnetic valve can be effectively prevented from being ejected by the valve rod.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of the cross-sectional exploded structure of the present invention;

FIG. 3 is one of the exploded structural diagrams of the present invention;

fig. 4 is a second exploded view of the present invention;

fig. 5 is a schematic sectional view of the valve element of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 5, a gas valve having a protection function for an electromagnetic valve includes a valve body 10, a main air passage 100 is provided in the valve body 10, an air inlet passage 110 and an air outlet passage 130 communicated with the main air passage 100 are provided on the valve body 10, a valve core 20 and an electromagnetic valve 120 are provided in the main air passage 100, the electromagnetic valve 120 is located at a connection position between the main air passage 100 and the air inlet passage 110, the valve core 20 is located at a connection position between the air outlet passage 130 and the main air passage 100, the valve core 20 and the electromagnetic valve 120 are arranged at intervals from top to bottom, an opening is provided at an upper end of the valve body 10, a valve rod 40 for driving the valve core 20 to rotate and for pressing the electromagnetic valve 120 to open is inserted downwards into the opening at the upper end of the valve body 10, the valve rod 40 passes through the valve core 20 from top to bottom and extends to above the electromagnetic valve 120, a reset assembly 430 for driving the valve rod 40 to reset upwards is provided in the valve body 10, a limit block 411 is provided on the valve rod 40, a limit block 310 is provided in the valve body 10, a limit ring 310 matched with the limit block 411, the limit ring 310 is provided with an upward convex boss 320, and the boss 320 is located right below the limit block 411.

Referring to fig. 3 and fig. 4, the utility model discloses a cooperation of boss and stopper, when the valve rod was downward, stopper and boss laminating can't continue to push down. At this time, the valve rod can only be rotated to separate the limiting block 411 from the position right above the boss 320, and then the valve rod can be pressed down again to the area 330 lower than the boss 320. Therefore, the electromagnetic valve can be protected, the electromagnetic valve cannot be ejected by the valve rod once, and the electromagnetic valve can be effectively prevented from being ejected by the valve rod.

Referring to fig. 1 and 2, the valve rod 40 is composed of a main valve rod 410 for actuating the valve core 20 to rotate and a sub valve rod 420 for pressing the solenoid valve 120 to open the solenoid valve 120, and the stopper 411 is provided on the main valve rod 410.

Referring to fig. 1, an annular installation cavity 140 is formed in an upper inner wall of the main air duct 100, and the retainer ring 310 is fixedly disposed in the annular installation cavity 140. The retainer ring 310 is fixed in the annular mounting cavity 140 by a conventional fixing method. Simple structure and convenient assembly.

Referring to fig. 4, an upwardly extending convex ring 210 is disposed on the upper end surface of the valve core 20, a longitudinal guide groove 211 is disposed on the convex ring 210, and the stop block 411 is movably inserted into the longitudinal guide groove 211. The limiting block 411 is inserted into the longitudinal guide groove 211, so that the main valve rod can drive the valve core to rotate when rotating.

The utility model discloses in, reset assembly 430 includes reset spring, reset spring establishes the upper portion of vice valve rod 420, be equipped with locating part 421 on the up end of vice valve rod 420, reset spring's upper end butt is in on the lower terminal surface of locating part 421, its lower extreme butt is in on the up end of case 20. The valve rod is driven to reset upwards through the reset spring, the structure is simple, and the use requirement is met.

Referring to fig. 2, a circular groove 412 is formed on the lower end surface of the main valve stem 410, and the stop member 421 is circular and is inserted into the circular groove 412. The main valve rod and the auxiliary valve rod can rotate relatively while the stability is ensured.

Referring to fig. 5, the upper portion of the valve core 20 has a communication air passage 240 communicated with the main air passage 100, the side wall of the valve core 20 is provided with an air outlet hole 230 communicated with the communication air passage 240, the upper end face of the valve core 20 is provided with a counter sink hole 220 communicated with the communication air passage 240, the auxiliary valve rod 420 and the counter sink hole 220 extend downward in an interference fit manner, a sealing ring 50 is arranged in the counter sink hole 220, the outer side wall of the sealing ring 50 is attached to the inner wall of the counter sink hole 220, and the inner side wall of the sealing ring 50 is attached to the outer wall of the auxiliary valve rod 420.

When the main valve rod drives the valve core to rotate, the air outlet hole 230 corresponds to the air inlet end of the air outlet channel 130, and fuel gas enters the main air channel from the air inlet channel, then enters the communicating air channel and then enters the air outlet channel from the air outlet hole 230.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are used in the orientations and positional relationships indicated in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the present invention, and the terms "first" and "second" are used only for descriptive purposes and are not intended to indicate or imply relative importance or to imply the number of technical features being referred to.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A gas valve with a protection function on an electromagnetic valve comprises a valve body (10), a main air passage (100) is arranged in the valve body (10), an air inlet passage (110) and an air outlet passage (130) which are communicated with the main air passage (100) are arranged on the valve body (10), a valve core (20) and an electromagnetic valve (120) are arranged in the main air passage (100), the electromagnetic valve (120) is positioned at the joint of the main air passage (100) and the air inlet passage (110), the valve core (20) is positioned at the joint of the air outlet passage (130) and the main air passage (100), the valve core (20) and the electromagnetic valve (120) are arranged at intervals from top to bottom, an opening is formed in the upper end of the valve body (10), a valve rod (40) which is used for driving the valve core (20) to rotate and pressing the electromagnetic valve (120) to open is downwards inserted into the opening in the upper end of the valve body (10), the valve rod (40) penetrates through the valve core (20) from top to bottom and extends to the upper portion of the electromagnetic valve (120), and a valve rod (430) which is used for driving the valve rod (40) to reset upwards is arranged in the valve body (10), and the valve body (10) is characterized in that: be equipped with stopper (411) on valve rod (40), be equipped with in valve body (10) with stopper (411) complex spacing ring (310), be equipped with bellied boss (320) that makes progress on spacing ring (310), boss (320) are located under stopper (411).

2. A gas valve having a protection function for an electromagnetic valve according to claim 1, characterized in that: the valve rod (40) consists of a main valve rod (410) for starting the valve core (20) to rotate and an auxiliary valve rod (420) for pressing and contacting the electromagnetic valve (120) to drive the electromagnetic valve (120) to open, and the limiting block (411) is arranged on the main valve rod (410).

3. A gas valve having a protection function for an electromagnetic valve according to claim 1, characterized in that: an annular mounting cavity (140) is formed in the inner wall of the upper portion of the main air duct (100), and the limiting ring (310) is fixedly arranged in the annular mounting cavity (140).

4. A gas valve having a protection function for an electromagnetic valve according to claim 1 or 2, characterized in that: the upper end face of the valve core (20) is provided with a convex ring (210) extending upwards, the convex ring (210) is provided with a longitudinal guide groove (211), and the limiting block (411) is movably inserted into the longitudinal guide groove (211).

5. A gas valve having a protection function for an electromagnetic valve according to claim 2, characterized in that: the reset assembly (430) comprises a reset spring, the reset spring is sleeved on the upper portion of the auxiliary valve rod (420), a limiting piece (421) is arranged on the upper end face of the auxiliary valve rod (420), the upper end of the reset spring abuts against the lower end face of the limiting piece (421), and the lower end of the reset spring abuts against the upper end face of the valve core (20).

6. The gas valve having a protection function for the solenoid valve according to claim 5, characterized in that: a circular groove (412) is formed in the lower end face of the main valve rod (410), and the limiting piece (421) is circular and is embedded into the circular groove (412).

7. A gas valve having a protection function for an electromagnetic valve according to claim 2, 5 or 6, wherein: the upper portion of the valve core (20) is provided with a communicating air passage (240) communicated with the main air passage (100), an air outlet hole (230) communicated with the communicating air passage (240) is formed in the side wall of the valve core (20), a sunken platform hole (220) communicated with the communicating air passage (240) is formed in the upper end face of the valve core (20), the auxiliary valve rod (420) and the sunken platform hole (220) are in interference fit and extend downwards, a sealing ring (50) is arranged in the sunken platform hole (220), the outer side wall of the sealing ring (50) is attached to the inner wall of the sunken platform hole (220), and the inner side wall of the sealing ring (50) is attached to the outer wall of the auxiliary valve rod (420).