CN220016289U - Clamping type furnace valve with locking device and clamping type furnace - Google Patents

Abstract

The clamping type furnace valve with the locking device comprises a valve body with an upper opening, a valve cover, an overpressure device and a springboard, wherein an overpressure device cavity is formed in the valve body; the overpressure device comprises a push rod, the jump board comprises a body, a first jump edge, a second jump edge and a third jump edge, the body is hinged with the valve body, the overpressure device is arranged in a cavity of the overpressure device, and the push rod is matched with the third jump edge; the body is also provided with a stop plate; the locking piece is hinged with the valve body; normally, the locking piece is attached to the rear end face of the stop plate, and the third jump edge is attached to the lower end of the overpressure device cavity; in the overpressure state, the ejector rod stretches out, and the lower end of the locking piece is matched with the third jump edge. The locking piece is arranged, after the springboard is locked due to the fact that the pressure is too high, the handle of the clamping device is operated again, and the first flanging of the springboard supports the handle, so that the air tank is prevented from being connected with the valve body, and potential safety hazards are eliminated.

Description

Clamping type furnace valve with locking device and clamping type furnace

Technical Field

The utility model relates to a card type stove valve of a portable card type gas stove.

Background

At present, in the prior art, china patent 202220733883.7, a portable card type gas furnace comprises a furnace shell, furnace ears, clamping devices, a gas valve and a combustion head, wherein the furnace ears are arranged on the furnace shell; when the clamping device is switched to a stretching state from the clamping state, the gas tank connected to the gas valve can be disconnected with the gas valve, the device further comprises a pressure lever, the pressure lever is movably mounted beside the furnace lug, the top of the pressure lever is higher than the top of the furnace lug, and when the pressure lever is pressed down to the top of the pressure lever, the pressure lever drives the clamping device to be switched to the stretching state from the clamping state. The gas valve 4 is provided with a push rod 41; the ejector rod 41 is an overpressure device and further comprises a springboard 8, the springboard 8 comprises a main body 81, a first flanging 82, a second flanging 83 and a third flanging 84, the middle part of the main body 81 is rotationally connected with the gas valve 4, the first flanging 82 is arranged at the front part of the main body 81, the front part of the handle 32 is arranged above the first flanging 82, the second flanging 83 is arranged at the rear part of the main body 81 and below the pressure rod 5, and the third flanging 84 is arranged at the rear part of the main body 81 and below the ejector rod 41; the problems are: when the gas valve is over-pressure and the jump board jumps, the jump board drives the handle of the clamping device, and the gas tank and the valve body are loosened; when the handle of the clamping device is operated again, the gas tank and the valve body can be combined and conducted; there is still the potential for excessive pressure.

Disclosure of Invention

The purpose of the utility model is that: the clamping furnace valve with the locking device has the advantages that the pressure is too high, and after the springboard jumps, the springboard is locked, so that potential safety hazards are eliminated.

The utility model is realized in the following way: a kind of card type stove valve with locking device, including valve block, valve cover, overpressure device and springboard of the upper opening, there are overpressure device chambers on the valve block; the overpressure device comprises a push rod, the jump board comprises a body, a first jump edge, a second jump edge and a third jump edge, the body is hinged with the valve body, the overpressure device is arranged in a cavity of the overpressure device, and the push rod is matched with the third jump edge; the special feature is that: the body is also provided with a stop plate;

the locking piece is hinged with the valve body; normally, the locking piece is attached to the rear end face of the stop plate, and the third jump edge is attached to the lower end of the overpressure device cavity; in the overpressure state, the ejector rod stretches out, and the lower end of the locking piece is matched with the third jump edge.

The clamping type furnace valve with the locking device is characterized in that: the locking piece comprises a transverse hinged plate, a longitudinal plate and a locking plate arranged at the lower part of the longitudinal plate,

the transverse hinged plate is hinged with the valve body, and in a normal state, the locking plate is attached to the rear end of the stop plate; when in overpressure, the ejector rod stretches out, the springboard rotates, and the locking plate is locked with the upper end face of the stop plate.

The clamping type furnace valve with the locking device is characterized in that: the valve body is provided with a hinge seat and also comprises a torsion spring;

the torsion spring is sleeved on the hinge seat, the body is hinged with the hinge seat, one end of the torsion spring is connected with the valve body, and the other end of the torsion spring is connected with the torsion spring rod seat on the body.

The clamping type furnace valve with the locking device is characterized in that: the upper opening end of the valve body is provided with a flange, and the suspended end of the transverse hinged plate is matched with the flange to stop.

The clamping type furnace valve with the locking device is characterized in that: the end part of the transverse hinged plate is provided with a longitudinal stop plate, and the upper end of the longitudinal stop plate is matched with the flange for stopping.

The utility model provides a card formula stove which characterized in that: comprising a shell, a clamping device and a clamping type furnace valve with a locking device,

the shell comprises a gas tank cavity and a burner cavity, the clamping device is arranged on a partition plate of the gas tank cavity and the burner cavity, a handle of the clamping device extends out of a guide hole in a front wall plate of the burner cavity, the clamping furnace valve is arranged at the front part of the gas tank cavity, and the first jump edge extends into the burner cavity and is positioned below the handle; the first jump edge is matched with the handle.

According to the clamping type furnace valve with the locking device, after the springboard is locked due to the fact that the pressure is too high, the handle of the clamping device is operated again, and the first flanging of the springboard supports the handle, so that the air tank is prevented from being connected with the valve body, and potential safety hazards are eliminated.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is one of the exploded perspective views of the present utility model.

Fig. 4 is a second perspective exploded view of the present utility model.

Fig. 5 is one of the plan exploded views of the present utility model.

Fig. 6 is a second plan exploded view of the present utility model.

Fig. 7 is a perspective view of the cassette oven of the present utility model.

Fig. 8 is a perspective cross-sectional view of the cassette furnace of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. 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.

Example 1

As shown in fig. 1, a clamping type furnace valve with a locking device comprises a valve body 1 with an upper opening, a valve cover 2, an overpressure device 3 and a springboard 4, wherein an overpressure device cavity 1A and an air inlet joint 1B are arranged on the valve body 1; the overpressure device 3 comprises a push rod 31, the springboard 4 comprises a body 40, a first springing edge 41, a second springing edge 42 and a third springing edge 43, the body 40 is hinged with the valve body 1, the overpressure device 3 is arranged in the overpressure device cavity 1A, and the push rod 31 is matched with the third springing edge 43; in the overpressure state, the ejector rod extends out of the overpressure device cavity 1A and drives the springboard to rotate;

the body 40 is also provided with a stop plate 44;

the valve further comprises a locking piece 5, and the locking piece 5 is hinged with the valve body 1; normally, the locking piece 5 is attached to the rear end face of the stop plate 44, and the third jump edge 43 is attached to the lower end of the overpressure device cavity 1A; in the overpressure condition, the ejector rod 31 protrudes, the locking element 5 rotates, and the lower end of the locking element 5 cooperates with the stop plate 44. Preventing the diving board 4 from reversing.

The locking piece 5 comprises a transverse hinged plate 51, a longitudinal plate 52 and a locking plate 53 arranged at the lower part of the longitudinal plate 52, wherein the locking plate 53 is vertical to the longitudinal plate 52;

the transverse hinged plate 51 is hinged with the valve body 1, and the locking plate 53 is attached to the rear end of the stop plate 44 in a normal state; when the pressure is exceeded, the ejector rod 31 extends, the springboard 4 rotates, and the locking plate 53 is locked with the upper end face of the stop plate 44.

As a further improvement of the utility model, the valve body 1 is provided with a hinging seat 1C and also comprises a torsion spring 6;

the torsion spring 6 is sleeved on the hinge seat 1C, the body 40 is hinged with the hinge seat 1C, one end of the torsion spring 6 is connected with the valve body 1, and the other end of the torsion spring 6 is connected with the torsion spring rod seat 45 on the body 40. The torsion spring 6 is arranged to ensure that the third jump edge 43 is attached to the lower end of the overpressure device cavity 1A under normal pressure.

As a further improvement of the utility model, the upper opening end of the valve body 1 is provided with a flange 1D, and the suspended end of the transverse hinged plate 51 is matched with the flange 1D to stop.

The end of the transverse hinged plate 51 is provided with a longitudinal stop plate 54, and the upper end of the longitudinal stop plate 54 is matched with the flange 1D for stopping.

FIG. 6 is a plan exploded view of the valve in its normal pressure condition when the present utility model is in use; when in overpressure, the ejector rod 1 extends out of the overpressure device cavity, and the ejector rod 31 drives the third jump edge 43 to rotate in reverse time; during rotation, the lock plate 53 is in sliding engagement with the rear end of the stopper plate 44; the locking member 5 is then rotated counterclockwise by gravity, and the lock plate 53 is positioned on the upper surface of the stopper plate 44 as shown in fig. 1; the diving board 4 cannot rotate clockwise;

example 2

As shown in fig. 7 and 8, a cartridge furnace comprises a housing 7, a chucking device 8 and a cartridge furnace valve with a locking device as described in embodiment 1,

the shell 7 comprises a gas tank cavity 71 and a burner cavity 72, the clamping device 8 is arranged on a partition plate of the gas tank cavity 71 and the burner cavity 72, a handle 81 of the clamping device extends out of a guide hole in a front wall plate of the burner cavity 72, the clamping furnace valve is arranged at the front part of the gas tank cavity 71, and the first jump edge 41 extends into the burner cavity 72 and is positioned below the handle 81; the first jump 41 cooperates with a pull tab 81.

When in use, the handle 81 rotates clockwise, and the gas tank is in butt joint with the gas inlet joint 1B of the valve body 1 in the gas tank cavity 71; the gas of the gas tank enters the valve body 1; when the pressure in the overpressure device cavity of the cartridge furnace valve is too high, the ejector rod 31 stretches out, the springboard 4 rotates anticlockwise, the first jump edge 41 rotates anticlockwise and the driving handle 81 rotates anticlockwise; the clamping device separates the air tank from the air inlet joint 1B of the valve body; the lock plate 53 is engaged with the upper surface of the stopper plate 44; at this time, the diving board 4 cannot rotate clockwise. When the handle 81 is operated again and rotated clockwise, an attempt is made to dock the air tank with the air intake fitting 1B of the valve body; since the diving board 4 is in the clockwise rotation prohibiting state; the first jump edge prevents the handle from rotating; preventing the gas tank from being docked with the gas inlet joint again; eliminating potential safety hazard. Only the manual locking element 5 is unlocked, so that the reason of the excessive pressure is eliminated; and (5) reusing.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. A kind of card type stove valve with locking device, including valve block, valve cover, overpressure device and springboard of the upper opening, there are overpressure device chambers on the valve block; the overpressure device comprises a push rod, the jump board comprises a body, a first jump edge, a second jump edge and a third jump edge, the body is hinged with the valve body, the overpressure device is arranged in a cavity of the overpressure device, and the push rod is matched with the third jump edge; the method is characterized in that: the body is also provided with a stop plate;

the locking piece is hinged with the valve body; normally, the locking piece is attached to the rear end face of the stop plate, and the third jump edge is attached to the lower end of the overpressure device cavity; in the overpressure state, the ejector rod stretches out, and the lower end of the locking piece is matched with the third jump edge.

2. A cartridge stove valve with locking device as claimed in claim 1, wherein: the locking piece comprises a transverse hinged plate, a longitudinal plate and a locking plate arranged at the lower part of the longitudinal plate,

the transverse hinged plate is hinged with the valve body, and in a normal state, the locking plate is attached to the rear end of the stop plate; when in overpressure, the ejector rod stretches out, the springboard rotates, and the locking plate is locked with the upper end face of the stop plate.

3. A cartridge stove valve with locking device as claimed in claim 1, wherein: the valve body is provided with a hinge seat and also comprises a torsion spring;

the torsion spring is sleeved on the hinge seat, the body is hinged with the hinge seat, one end of the torsion spring is connected with the valve body, and the other end of the torsion spring is connected with the torsion spring rod seat on the body.

4. A cartridge stove valve with locking device as claimed in claim 2, wherein: the upper opening end of the valve body is provided with a flange, and the suspended end of the transverse hinged plate is matched with the flange to stop.

5. A cartridge stove valve with locking arrangement as claimed in claim 4, wherein: the end part of the transverse hinged plate is provided with a longitudinal stop plate, and the upper end of the longitudinal stop plate is matched with the flange for stopping.

6. A card furnace, characterized in that: comprising a housing, a clamping device and a cartridge furnace valve with a locking device according to any one of claims 1 to 5,

the shell comprises a gas tank cavity and a burner cavity, the clamping device is arranged on a partition plate of the gas tank cavity and the burner cavity, a handle of the clamping device extends out of a guide hole in a front wall plate of the burner cavity, the clamping furnace valve is arranged at the front part of the gas tank cavity, and the first jump edge extends into the burner cavity and is positioned below the handle; the first jump edge is matched with the handle.