CN219282503U

CN219282503U - Plug valve assembly with independent small fire gear

Info

Publication number: CN219282503U
Application number: CN202223424917.3U
Authority: CN
Inventors: 刘均; 潘硕; 丁建东
Original assignee: Hangzhou Deyi Zhijia Co ltd
Current assignee: Hangzhou Deyi Zhijia Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-30
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to a plug valve assembly with independent small fire gear, and belongs to the field of gas cookers. The utility model comprises a valve seat and a valve core, wherein a valve core cavity is arranged on the valve seat, the valve core is arranged in the valve core cavity, and a fuel gas channel is arranged on the valve core, and the valve core is structurally characterized in that: the side wall of the valve core cavity is provided with an inner annular fire control port, an outer annular fire control port and an independent small fire control port, the side wall of the gas channel is provided with an inner annular fire control channel, an outer annular fire control channel and an independent small fire control channel, the inner annular fire control port is matched with the inner annular fire control channel, the outer annular fire control port is matched with the outer annular fire control channel, and the independent small fire control port is matched with the independent small fire control channel.

Description

Plug valve assembly with independent small fire gear

Technical Field

The utility model relates to a plug valve assembly with independent small fire gear, and belongs to the field of gas cookers.

Background

When the household gas stove is used for cooking, the maximum fire stir-frying and the minimum fire porridge cooking are the most used for adjusting two-gear fire, the maximum flow rate of the plug valve (shown in fig. 1) in the prior art is in a anticlockwise 90 DEG (B gear) position, the minimum flow rate of the plug valve is in a anticlockwise 170 DEG (A gear) position, when the flow rate is adjusted back and forth, the plug valve has a rotation range of 80 degrees, when the minimum fire is used (A gear), the plug valve is required to be turned from 170 DEG (A gear) to 0 degree to close fire, the minimum fire (A gear) is changed into the maximum fire (B gear) in the process, and then the maximum fire (B gear) is changed into flameout, so that the process has the waste of gas combustion.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides the plug valve assembly with the independent small fire gear, which has reasonable structural design, small adjusting range, short position, short time consumption and gas saving when the flow firepower is adjusted.

The utility model solves the problems by adopting the following technical scheme: this plug valve subassembly with independent little fire keeps off position, including disk seat and case, be provided with the spool cavity on the disk seat, the case is installed in the spool cavity, be provided with the gas passageway on the case, its structural feature lies in: the side wall of the valve core cavity is provided with an inner annular fire control port, an outer annular fire control port and an independent small fire control port, the side wall of the gas channel is provided with an inner annular fire control channel, an outer annular fire control channel and an independent small fire control channel, the inner annular fire control port is matched with the inner annular fire control channel, the outer annular fire control port is matched with the outer annular fire control channel, and the independent small fire control port is matched with the independent small fire control channel. Through rotating the valve core, the inner annular fire control channel, the outer annular fire control channel and the independent small fire control channel on the valve core are controlled to realize the control of gas flow with the sizes of the cross section openings of the inner annular fire control port, the outer annular fire control port and the independent small fire control port in the valve core cavity, so that the regulation of the fire power is realized.

Further, a gas inlet channel, an inner annular fire gas outlet channel, an outer annular fire gas outlet channel and an independent small fire gas outlet channel are arranged on the valve seat, the gas inlet channel is communicated with the valve core cavity, the inner annular fire gas outlet channel is communicated with the inner annular fire control port, the outer annular fire gas outlet channel is communicated with the outer annular fire control port, and the independent small fire gas outlet channel is communicated with the independent small fire control port.

Further, the valve core cavity of the valve core is arranged in a conical structure.

Further, when the valve core rotates relative to the valve seat, three gears are respectively an A gear, a B gear and a C gear, wherein the A gear is a minimum firepower gear, the B gear is a maximum firepower gear and the C gear is a small firepower gear.

Further, the included angle between the gear A and the initial position is 45 degrees, the included angle between the gear B and the initial position is 90 degrees, and the included angle between the gear C and the initial position is 170 degrees.

Further, the fire power of the three gears is B gear > C gear > A gear.

Compared with the prior art, the utility model has the following advantages: when the plug valve assembly with the independent small fire gear is adjusted, the gear B (maximum flow and maximum fire gear) and the gear A (minimum flow and minimum fire gear) are positioned at adjacent positions, namely, the gear A is positioned at a 45-degree position in the circumferential anticlockwise direction, and the gear B is positioned at a 90-degree position in the circumferential anticlockwise direction, so that the plug valve assembly is convenient to rotate back and forth to adjust and use at any time; the plug valve assembly is turned off when used in the gear A (minimum fire gear), and is turned off from the position of 45 degrees to the position of 0 degrees, so that the fuel gas is saved, and no waste is caused.

Drawings

Fig. 1 is a schematic diagram of the working principle of a plug valve assembly of the prior art.

Fig. 2 is a schematic diagram of the operating principle of a plug valve assembly according to an embodiment of the present utility model.

Fig. 3 is an exploded view of a plug valve assembly according to an embodiment of the present utility model.

Fig. 4 is a schematic perspective view of a valve seat according to an embodiment of the present utility model.

Fig. 5 is a schematic perspective view of a valve seat according to an embodiment of the present utility model.

Fig. 6 is a schematic perspective view of a valve core according to an embodiment of the present utility model.

Fig. 7a is a schematic view of the cross-sectional structure A-A in fig. 7 c.

Fig. 7B is a schematic view of the B-B cross-sectional structure of fig. 7 c.

Fig. 7c is a schematic diagram of the front view of the plug valve assembly when the gear is turned off according to the embodiment of the present utility model.

Fig. 8a is a schematic view of the C-C cross-sectional structure of fig. 8C.

FIG. 8b is a schematic view of the D-D cross-sectional structure of FIG. 8 c.

Fig. 8c is a schematic diagram of a front view of a plug valve assembly according to an embodiment of the present utility model in gear a.

Fig. 9a is a schematic view of the E-E cross-sectional structure of fig. 9 c.

Fig. 9b is a schematic view of the F-F cross-sectional structure in fig. 9 c.

Fig. 9c is a schematic diagram of a front view of a plug valve assembly in gear B according to an embodiment of the present utility model.

Fig. 10a is a schematic view of the G-G cross-sectional structure of fig. 10 c.

Fig. 10b is a schematic view of the H-H cross-sectional structure of fig. 10 c.

Fig. 10C is a schematic diagram of a front view of a plug valve assembly in a C-gear according to an embodiment of the present utility model.

In the figure: a valve seat 1, a valve core 2,

The valve core cavity 11, an inner annular fire control port 12, an outer annular fire control port 13, an independent small fire control port 14, a gas inlet channel 15, an inner annular fire gas outflow channel 16, an outer annular fire gas outflow channel 17, an independent small fire gas outflow channel 18,

A gas passage 21, an inner annular fire control passage 22, an outer annular fire control passage 23, and an independent small fire control passage 24.

Detailed Description

The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.

Examples.

Referring to fig. 2 to 10c, it should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are shown only for the purpose of understanding and reading by those skilled in the art, and are not intended to limit the applicable limitations of the present utility model, so that any structural modification, change in proportion, or adjustment of size does not have any technical significance, and all fall within the scope of the technical content of the present utility model without affecting the efficacy and achievement of the present utility model. In the meantime, if the terms such as "upper", "lower", "left", "right", "middle" and "a" are used in the present specification, they are merely for convenience of description, but are not intended to limit the scope of the present utility model, and the relative relation changes or modifications are considered to be within the scope of the present utility model without substantial modification of the technical content.

The plug valve assembly with independent small fire gear in the embodiment comprises a valve seat 1 and a valve core 2, wherein a valve core cavity 11 is arranged on the valve seat 1, the valve core cavity 11 of the valve core 2 is arranged in a conical structure, the valve core 2 is arranged in the valve core cavity 11, a fuel gas channel 21 is arranged on the valve core 2,

the side wall of the valve core cavity 11 in this embodiment is provided with an inner annular fire control port 12, an outer annular fire control port 13 and an independent small fire control port 14, the side wall of the gas channel 21 is provided with an inner annular fire control channel 22, an outer annular fire control channel 23 and an independent small fire control channel 24, the inner annular fire control port 12 is matched with the inner annular fire control channel 22, the outer annular fire control port 13 is matched with the outer annular fire control channel 23, and the independent small fire control port 14 is matched with the independent small fire control channel 24.

The valve seat 1 in this embodiment is provided with a gas inlet channel 15, an inner annular fire gas outlet channel 16, an outer annular fire gas outlet channel 17 and an independent small fire gas outlet channel 18, the gas inlet channel 15 is communicated with the valve core cavity 11, the inner annular fire gas outlet channel 16 is communicated with the inner annular fire control port 12, the outer annular fire gas outlet channel 17 is communicated with the outer annular fire control port 13, and the independent small fire gas outlet channel 18 is communicated with the independent small fire control port 14.

In this embodiment, when the valve core 2 rotates relative to the valve seat 1, three gears are respectively an a gear, a B gear and a C gear, wherein the a gear is a minimum fire gear, the B gear is a maximum fire gear, the C gear is a small fire gear, an included angle between the a gear and the initial position is 45 °, an included angle between the B gear and the initial position is 90 °, an included angle between the C gear and the initial position is 170 °, and fire sizes of the three gears are that the B gear > the C gear > the a gear.

Specifically, when the plug valve assembly with the independent small fire gear is used, the valve core 2 is rotated to control the inner annular fire control channel 22, the outer annular fire control channel 23 and the independent small fire control channel 24 on the valve core 2, and the gas flow is controlled by the size of the cross-section openings of the inner annular fire control port 12, the outer annular fire control port 13 and the independent small fire control port 14 in the valve core cavity 11.

Three channels, namely an inner annular fire control channel 22, an outer annular fire control channel 23 and an independent small fire control channel 24, are arranged on the circumferential sealing surface of the valve core 2 and are respectively used for controlling the inner annular flow, the outer annular flow and the independent small fire flow of the gas stove burner.

When the valve core 2 rotates anticlockwise in the valve core cavity 11 for different angles, different gas flow control can be realized, the plug valve is sealed when the valve core is at 0 degree (namely, the gear is turned off), and gas cannot pass through; the inner ring fire power and the outer ring gas flow of the burner are controlled at 45 degrees (namely, the A gear) and the minimum gas flow is achieved at the moment; controlling the firepower of the outer ring and the inner ring of the burner to be the maximum firepower, namely the maximum gas flow rate, at 90 degrees (namely the B gear); the inner ring fire power and the gas flow of the outer ring of the burner are controlled to be larger than the A gear and smaller than the B gear at 170 degrees (namely, the C gear).

In the present application, "independent small fire" means that when the valve element 2 is rotated to the a position, the burner has only an inner ring fire without an outer ring fire, "inner ring fire" means a fire in which fuel gas burns on the inner ring fire cover, and "outer ring fire" means a fire in which fuel gas burns on the outer ring fire cover.

As shown in fig. 2, the ignition is directly rotated from the off gear to the B gear anticlockwise, and the gas flow of the inner ring fire and the outer ring fire is maximum at the moment; when the gear B rotates anticlockwise from the gear B to the gear C, firstly, the gas flow of the outer ring fire is gradually reduced until no flow exists, and then the gas flow of the inner ring fire is changed from large to small; when the gear B rotates 45 degrees clockwise to the gear A, the gas flow of the inner ring fire is gradually reduced, and the gas flow of the outer ring fire is not generated; when the gear is turned from the gear A to the gear B by 45 degrees, the gas flow of the inner ring fire is gradually reduced until the gas flow of the outer ring fire is completely turned off, and the gas flow of the outer ring fire is not generated.

When the gear is turned off, as shown in fig. 7a, 7b and 7c, the inner annular fire gas outflow channel 16, the outer annular fire gas outflow channel 17 and the independent small fire gas outflow channel 18 are all in a sealed state.

In the gear a, as shown in fig. 8a, 8b and 8c, the independent small fire gas outflow channel 18 is in a fully opened state, the independent small fire gas outflow channel 18 is communicated with the middle part of the inner annular fire gas outflow channel 16, and the bottom part of the inner annular fire gas outflow channel 16 and the outer annular fire gas outflow channel 17 are in a sealed state.

In the B range, as shown in fig. 9a, 9B and 9c, the inner annular fire gas outflow channel 16 and the outer annular fire gas outflow channel 17 are all in a fully opened state, and the independent small fire gas outflow channels 18 are in a closed state.

In the C range, as shown in fig. 10a, 10b, and 10C, the inner annular flame gas outflow channel 16 and the independent small flame gas outflow channel 18 are in a half-open state, and the outer annular flame gas outflow channel 17 is in a closed state.

In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present utility model. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a plug valve subassembly with independent little fire keeps off position, includes disk seat (1) and case (2), be provided with valve core cavity (11) on disk seat (1), case (2) are installed in valve core cavity (11), be provided with gas passageway (21), its characterized in that on case (2): the valve core is characterized in that an inner annular fire control port (12), an outer annular fire control port (13) and an independent small fire control port (14) are arranged on the side wall of the valve core cavity (11), an inner annular fire control channel (22), an outer annular fire control channel (23) and an independent small fire control channel (24) are arranged on the side wall of the gas channel (21), the inner annular fire control port (12) is matched with the inner annular fire control channel (22), the outer annular fire control port (13) is matched with the outer annular fire control channel (23), and the independent small fire control port (14) is matched with the independent small fire control channel (24).

2. The plug valve assembly with independent light stops of claim 1, wherein: the valve seat (1) is provided with a fuel gas inlet channel (15), an inner annular fire fuel gas outlet channel (16), an outer annular fire fuel gas outlet channel (17) and an independent small fire fuel gas outlet channel (18), the fuel gas inlet channel (15) is communicated with the valve core cavity (11), the inner annular fire fuel gas outlet channel (16) is communicated with the inner annular fire control port (12), the outer annular fire fuel gas outlet channel (17) is communicated with the outer annular fire control port (13), and the independent small fire fuel gas outlet channel (18) is communicated with the independent small fire control port (14).

3. The plug valve assembly with independent light stops of claim 1, wherein: the valve core cavity (11) of the valve core (2) is arranged in a conical structure.

4. The plug valve assembly with independent light stops of claim 1, wherein: when the valve core (2) rotates relative to the valve seat (1), three gears are respectively an A gear, a B gear and a C gear, wherein the A gear is a minimum firepower gear, the B gear is a maximum firepower gear and the C gear is a small firepower gear.

5. The plug valve assembly with independent light stops of claim 4, wherein: the included angle between the gear A and the initial position is 45 degrees, the included angle between the gear B and the initial position is 90 degrees, and the included angle between the gear C and the initial position is 170 degrees.

6. The plug valve assembly with independent light stops of claim 4, wherein: the fire power of the three gears is B gear > C gear > A gear.