A double control oven valve

Abstract

A double-control oven valve includes a valve seat, a valve body, a valve stem, a valve core, a push rod, a pressure spring, an electromagnetic assembly, a lever, a driving gear, a driven gear, a switch pressure plate, a first micro switch, a second micro switch and a main temperature control assembly. The driven gear is fixed to the accommodating cavity of the valve core, the driving connection part of the valve stem is plugged into the shaft sleeve of the driving gear, and the main control assembly is connected to the main control air outlet cavity and synchronized with the valve stem; the valve seat is fixed to the valve body, the driven end of the lever is located in the driven cavity, the junction between the driven end and the driving protrusion cooperates with the fulcrum, the valve stem passes through the elliptical hole and the valve stem channel, the driving plate on the valve stem cooperates with the driving convex cavity, and the switch pressure plate cooperates with the first and second micro switches. The valve body includes an upper left exhaust air pipe, an upper exhaust air pipe, a lower exhaust air pipe and a main control air outlet cavity; the valve core is provided with a main air outlet hole and an auxiliary air outlet hole, and the valve stem drives the valve core through a gear to realize different air outlet modes of clockwise and counterclockwise to control the upper fire row or the lower fire row.

Description

Technical Field

[0001] The invention relates to a baking oven valve. Background Art

[0002] At present, the existing technology is Chinese patent 201921218339.3. A temperature-controlled gas valve includes a valve body, a valve cover, a valve stem, a valve core, a pressure spring and a solenoid valve assembly. The valve body includes a valve core cavity, a solenoid valve seat, an air inlet interface, a long-fire air outlet pipe, a guide seat and an air inlet duct connected to the valve core cavity. The valve stem rotates with the valve stem channel of the valve cover. One end of the valve core cavity is the valve cover mounting end and the other end is the main air outlet end. The long-fire air outlet pipe is connected to the valve core cavity through a straight hole and an inclined hole connected to the straight hole; it also includes a cover body, a reset spring, a push rod, a pressure plate and a main air outlet temperature control device. The pressure plate rotates with the valve stem, and the pressure plate drives the push rod; the air inlet is matched with the air outlet end of the air inlet duct, the inclined hole is matched with the air inlet, and the straight hole is matched with the air guide groove; the main air outlet temperature control device is arranged at the main air outlet end and communicates with the valve core cavity, and the main air outlet temperature control device is linked to the valve core. The problem is that it can only be used on a small-volume oven. When the oven has a large capacity and is provided with an upper fire grate and a lower fire grate, two are required for use, which is costly. Summary of the invention

[0003] The purpose of the present invention is to provide a double-control oven valve, which has the characteristics that the valve stem rotates in different directions to control the upper fire grate and the lower fire grate respectively.

[0004] The present invention is implemented as follows: a double-control oven valve, characterized in that it includes a valve seat, a valve body, a valve stem, a valve core, a push rod, a pressure spring, an electromagnetic assembly, a lever, a driving gear, a driven gear, a switch pressure plate, a first micro switch, a second micro switch and a main temperature control assembly,

[0005] The valve seat includes a valve stem channel, a driven cavity, a fulcrum and a movable cavity.

[0006] The valve body includes a valve core cavity, a solenoid valve cavity, an air inlet interface, an upper left exhaust air pipe, an upper exhaust air pipe, a lower exhaust air pipe and a main control air outlet cavity. The solenoid valve cavity and the valve core cavity are in a straight line, and the upper left exhaust air pipe and the main control air outlet cavity are arranged on the left and right. The main control air outlet cavity is provided with a shaft sleeve rotation hole and a pivot hole;

[0007] The valve stem is provided with a driving connection portion and a pivot connection portion;

[0008] The valve core comprises a containing cavity, a guide hole arranged on the partition plate and an inlet and outlet air cavity with a rear opening, and the inlet and outlet air cavity is provided with a main outlet hole and an auxiliary outlet hole;

[0009] The lever comprises a driven end, a driven convex cavity and a driving plate, and the driven convex cavity is provided with an elliptical hole;

[0010] The driving gear is provided with a shaft sleeve.

[0011] The push rod passes through the guide hole on the valve core, the push rod cooperates with the electromagnetic valve core of the electromagnetic assembly, the driven gear is fixed to the accommodating cavity of the valve core, the driving connection part of the valve stem is plugged into the shaft sleeve of the driving gear, the shaft sleeve cooperates with the rotating hole of the shaft sleeve, the pivot part cooperates with the rotation of the pivot hole, the main control assembly is connected with the main control air outlet cavity and is synchronized with the valve stem; the valve seat is fixed to the valve body, the driven end of the lever is located in the driven cavity, the junction of the driven end and the driven convex cavity cooperates with the fulcrum, the valve stem passes through the elliptical hole and the valve stem channel, the drive plate on the valve stem cooperates with the driven convex cavity, the switch pressure plate is fixed to the valve stem and cooperates with the first and second micro switches.

[0012] The dual-control oven valve is special in that the main temperature control component includes a transmission rod, a spring, a sealing component, a temperature control package and a temperature control air guide seat.

[0013] The driving connection part and the pivoting part of the valve stem are provided with a polygonal driving sliding cavity;

[0014] The driving connection part and the pivoting part of the valve stem are provided with a polygonal driving sliding cavity;

[0015] The transmission rod comprises an internal threaded body, a flange and a rod body with a polygonal head;

[0016] The temperature control air guide seat includes a control cavity and an air outlet pipe, and the closed end of the control cavity is provided with a mounting hole.

[0017] The temperature control package is fixed to the mounting hole; the internal thread body passes through the sealing component, the spring and the temperature control package are connected with a left-hand thread, the head of the rod body cooperates with the multi-prismatic driving sliding cavity, and the control cavity is connected with the main control air outlet cavity.

[0018] The dual-control oven valve is special in that: a positioning groove is provided on the accommodating cavity of the valve core.

[0019] A radial positioning plate is provided in the shaft hole on the driven gear;

[0020] The accommodating cavity is inserted into the shaft hole, and the radial positioning plate is engaged with the positioning groove.

[0021] The dual-control oven valve is special in that the driving connection portion is waist-shaped and the shaft hole on the driving gear is waist-shaped.

[0022] The double-control oven valve is special in that an annular sealing seat is provided at the outlet end of the main control outlet cavity.

[0023] The dual-control oven valve is special in that: the temperature control air guide seat comprises a control cavity and an air outlet pipe, and a mounting hole is provided at the closed end of the control cavity.

[0024] The temperature control package is fixed to the mounting hole.

[0025] The dual-control oven valve is special in that: the first micro switch is a button type, and the second micro switch is a spring plate type;

[0026] The switch pressure plate comprises a circular base plate and an arc-shaped driving block arranged on the circular base plate;

[0027] The arc-shaped driving block cooperates with the first micro switch and the second micro switch.

[0028] The double-control oven valve is special in that a stop rod is arranged on the valve stem, and the stop rod cooperates with the end of the valve stem channel to stop.

[0029] The invention discloses a double-control oven valve. Due to the structure, the valve body comprises an upper left exhaust pipe, a top exhaust pipe, a bottom exhaust pipe and a main control exhaust cavity. A main exhaust hole and an auxiliary exhaust hole are arranged on the valve core. The valve stem drives the valve core through a gear to realize different exhaust modes of clockwise and counterclockwise to control the upper fire row or the lower fire row. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is the front view of the present invention.

[0031] Figure 2 It is a top view of the present invention.

[0032] Figure 3 yes Figure 1 A-A view of.

[0033] Figure 4 yes Figure 1 B-B view.

[0034] Figure 5 yes Figure 3 C-C view of the .

[0035] Figure 6 yes Figure 3 D-D view.

[0036] Figure 7 yes Figure 3 E-E view of.

[0037] Figure 8 It is one of the three-dimensional exploded views of the present invention.

[0038] Fig. 9 It is the second of the three-dimensional exploded diagrams of the present invention. DETAILED DESCRIPTION

[0039] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] like Figure 1 As shown, a dual-control oven valve includes a valve seat 1, a valve body 2, a valve stem 3, a valve core 4, a push rod 5, a pressure spring 51, an electromagnetic assembly 6, a lever 7, a driving gear 81, a driven gear 82, a switch pressure plate 9, a first micro switch 101, a second micro switch 102 and a main temperature control assembly 11.

[0042] The valve seat 1 includes a valve stem channel 1A, a driven chamber 1B, a fulcrum 1C and an active chamber 1D.

[0043] The valve body 2 includes a valve core chamber 21, a solenoid valve chamber 22, an air inlet interface 23, an upper left exhaust air pipe 24, an upper exhaust air pipe 25, a lower exhaust air pipe 26 and a main control air outlet chamber 27. The solenoid valve chamber 22 and the valve core chamber 21 are in a straight line, and the upper left exhaust air pipe 24 and the main control air outlet chamber 27 are arranged on the left and right sides; the main control air outlet chamber 27 is provided with a shaft sleeve rotation hole 271 and a pivot hole 272;

[0044] The valve stem 3 is provided with a driving connection portion 31 and a pivoting portion 32;

[0045] The valve core 4 includes a receiving cavity 41, a guide hole (not marked) provided on the partition plate, and an inlet and outlet air cavity 42 with a rear opening, and a main outlet hole 421 and an auxiliary outlet hole 422 are provided on the inlet and outlet air cavity;

[0046] The lever 7 comprises a driven fulcrum end 71, a driven convex cavity 72 and a driving plate 73, and an elliptical hole is provided on the driven convex cavity 72;

[0047] The driving gear 81 is provided with a shaft sleeve 811.

[0048] The push rod 5 passes through the guide hole on the valve core 4, and the push rod 5 cooperates with the electromagnetic valve core 4 of the electromagnetic assembly 6. The push rod 5 is sealed with the guide hole, the driven gear 82 is fixed to the accommodating chamber 41 of the valve core 4, the driving connection part 31 of the valve stem 3 is plugged with the shaft sleeve 811 of the driving gear 81, the shaft sleeve 811 cooperates with the shaft sleeve rotation hole 271, the pivot part 32 rotates with the pivot hole 272, the main temperature control component 11 is connected with the main control air outlet cavity 27 and is synchronized with the valve stem 3; the valve seat 1 is fixed to the valve body 2, the driven fulcrum end 71 of the lever 7 is located in the driven cavity 1B, the junction of the driven fulcrum end 71 and the driven convex cavity 72 cooperates with the fulcrum 1C, the valve stem 3 passes through the elliptical hole on the driven convex cavity 72 and the valve stem channel 1A, the driving plate 33 on the valve stem 3 cooperates with the driven convex cavity 72, and the switch pressure plate 9 is fixed to the valve stem 3 and cooperates with the first microswitch 101 and the second microswitch 102.

[0049] The main temperature control assembly 11 includes a transmission rod 12, a spring 13, a sealing assembly 14, a temperature control package 15 and a temperature control air guide seat 16.

[0050] The multi-faceted driving sliding cavity 34 on the driving connecting portion 31 and the pivoting portion 32 of the valve stem 3;

[0051] The transmission rod 12 includes an internal thread body 121, a flange 122 and a rod body 123 with a polygonal head; the internal thread of the internal thread body 121 is a left-hand thread;

[0052] The temperature control air guide seat 16 includes a control cavity 161 and an air outlet pipe 162. The closed end of the control cavity 161 is provided with a mounting hole.

[0053] The temperature control package 15 is fixed to the mounting hole; the internal threaded body 121 passes through the sealing assembly 14, the spring 13 and the left-handed thread of the temperature control package 15 are screwed together, the head of the rod body 123 cooperates with the multi-faceted driving 34 sliding cavity, the control cavity 161 is fixed to the valve body 2 and is connected to the main control air outlet cavity 27.

[0054] The accommodating cavity 41 of the valve core 4 is provided with a positioning groove.

[0055] A radial positioning plate is provided in the shaft hole of the driven gear 82;

[0056] The accommodating cavity 41 is inserted into the shaft hole, and the radial positioning plate is engaged with the positioning groove.

[0057] The driving connection portion 31 is waist-shaped, and the shaft hole on the driving gear 81 is waist-shaped.

[0058] An annular sealing seat 273 is provided at the air outlet end of the main control air outlet cavity 27 , and the sealing assembly 14 cooperates with the annular sealing seat 273 for sealing.

[0059] The first micro switch 101 is a button type, and the second micro switch 102 is a spring pressure plate type;

[0060] The switch plate 9 comprises a circular base plate 91 and an arc-shaped driving block 92 disposed on the circular base plate;

[0061] The arc-shaped driving block 92 cooperates with the button of the first micro switch and the elastic pressure plate of the second micro switch.

[0062] The valve stem 3 is provided with a stop rod, which cooperates with the end of the valve stem channel 1A to stop.

[0063] When the present invention is used, the upper left exhaust pipe 24 and the top exhaust pipe 25 supply air for the upper fire exhaust, and the top lower exhaust pipe 26 and the main control exhaust cavity 27 supply air for the lower fire exhaust;

[0064] like Figure 1 , Figure 3 As shown, the valve stem 3 is rotated counterclockwise and pressed, and the valve stem 3 moves toward the transmission rod 12, the driving plate 33 acts on the driven convex cavity 72, the driving plate 73 of the lever 7 drives the push rod 5, and the push rod 5 acts on the electromagnetic assembly 6, the electromagnetic valve core of the electromagnetic assembly 6 leaves the valve core seat in the electromagnetic valve cavity 22, and the gas enters the inlet and outlet cavity 42 through the air inlet interface 23 and the electromagnetic valve cavity 22; the valve stem 3 rotates counterclockwise, and the valve core 4 is driven to rotate clockwise through the driving gear 81 and the driven gear 82; (i) the main outlet hole 421 and the exhaust pipe under the top 26 is turned on, (ii) at the same time, the arc-shaped driving block 92 acts on the elastic pressure plate of the second microswitch 102, the second microswitch 102 is turned on, and the lower fire row is ignited; (iii) the transmission rod 12 moves toward the temperature control package 15, and the sealing assembly 14 leaves the annular sealing seat 273; (iv) the valve stem 3 continues to rotate, the main air outlet 421 is connected to the top lower exhaust pipe 26, the main air outlet 421 is connected to the main control air outlet cavity 27, and the gas enters the air outlet pipe 162 through the main control air outlet cavity 27 and the control cavity 161, realizing high-fire combustion.

[0065] like Figure 1 , Figure 3 As shown, the valve stem 3 is rotated clockwise and pressed, and the valve stem 3 moves toward the transmission rod 12. The valve stem 3 rotates clockwise, and the valve core 4 is driven to rotate counterclockwise through the driving gear 81 and the driven gear 82; (i) the main air outlet 421 is connected to the upper left exhaust pipe 24, (ii) at the same time, the arc-shaped driving block 92 acts on the button of the first microswitch 101, and the first microswitch 101 is connected to ignite the upper fire row; (iii) the transmission rod 12 moves toward the valve stem 3, and the sealing assembly 14 and the annular sealing seat 273 are tightly sealed; (iv) the valve stem 3 is continued to be rotated, the main air outlet 421 is connected to the upper left exhaust pipe 24, and the auxiliary air outlet 422 is connected to the top exhaust pipe 25, so that a large fire is achieved and the upper fire row burns.

[0066] When used on a gas oven with a larger volume, one valve can realize the conversion between the upper fire grate combustion and the lower fire grate combustion, thus overcoming the defect of the prior art that two oven valves are required, thereby reducing the cost.

[0067] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A dual-control oven valve, characterized in that: It includes a valve seat, a valve body, a valve stem, a valve core, a push rod, a pressure spring, an electromagnetic assembly, a lever, a driving gear, a driven gear, a switch pressure plate, a first micro switch, a second micro switch and a main temperature control assembly. The valve seat includes a valve stem channel, a driven cavity, a fulcrum and a movable cavity. The valve body includes a valve core cavity, a solenoid valve cavity, an air inlet interface, an upper left exhaust air pipe, an upper exhaust air pipe, a lower exhaust air pipe and a main control air outlet cavity. The solenoid valve cavity and the valve core cavity are in a straight line, and the upper left exhaust air pipe and the main control air outlet cavity are arranged on the left and right. The main control air outlet cavity is provided with a shaft sleeve rotation hole and a pivot hole; The valve stem is provided with a driving connection portion and a pivot connection portion; The valve core comprises a containing cavity, a guide hole arranged on the partition plate and an inlet and outlet air cavity with a rear opening, and the inlet and outlet air cavity is provided with a main outlet hole and an auxiliary outlet hole; The lever comprises a driven end, a driven convex cavity and a driving plate, and the driven convex cavity is provided with an elliptical hole; The driving gear is provided with a shaft sleeve. The push rod passes through the guide hole on the valve core, the push rod cooperates with the electromagnetic valve core of the electromagnetic assembly, and the driven gear is fixed to the accommodating cavity of the valve core. The driving connection part of the valve stem is plugged into the shaft sleeve of the driving gear. The shaft sleeve cooperates with the shaft sleeve rotation hole, the pivot part cooperates with the pivot hole rotationally, the main control assembly is connected with the main control air outlet cavity and is synchronized with the valve stem; the valve seat is fixed to the valve body, the driven end of the lever is located in the driven cavity, the junction of the driven end and the driven convex cavity cooperates with the fulcrum, the valve stem passes through the elliptical hole and the valve stem channel, the drive plate on the valve stem cooperates with the driven convex cavity, the switch pressure plate is fixed to the valve stem and cooperates with the first and second micro switches; The main temperature control assembly includes a transmission rod, a spring, a sealing assembly, a temperature control package and a temperature control air guide seat. The driving connection part and the pivoting part of the valve stem are provided with a polygonal driving sliding cavity; The transmission rod comprises an internal threaded body, a flange and a rod body with a polygonal head; The temperature control air guide seat includes a control cavity and an air outlet pipe, and the closed end of the control cavity is provided with a mounting hole. The temperature control package is fixed to the mounting hole; the internal thread body passes through the sealing assembly, the spring and the temperature control package are connected with a left-hand thread, the head of the rod body cooperates with the multi-prismatic driving sliding cavity, and the control cavity is connected with the main control air outlet cavity; When in use, the upper left exhaust pipe and the top exhaust pipe supply air to the upper fire exhaust, and the top lower exhaust pipe and the main control exhaust cavity supply air to the lower fire exhaust; Rotate counterclockwise and press the valve stem, the valve stem moves toward the transmission rod, the drive plate on the valve stem acts on the driven convex cavity, the drive plate of the lever drives the push rod, the push rod acts on the electromagnetic assembly, the electromagnetic valve core of the electromagnetic assembly leaves the valve core seat in the electromagnetic valve cavity, and the gas enters the inlet and outlet gas cavity through the air inlet interface and the electromagnetic valve cavity; the valve stem rotates counterclockwise, and drives the valve core to rotate clockwise through the driving gear and the driven gear; (i) the main air outlet is connected to the top lower exhaust pipe, (ii) at the same time, the arc-shaped drive block acts on the elastic pressure plate of the second microswitch, the second microswitch is turned on, and the lower fire row is ignited; (iii) the transmission rod moves toward the temperature control package, and the sealing assembly leaves the annular sealing seat; (iv) continue to rotate the valve stem, the main air outlet is connected to the top lower exhaust pipe, the main air outlet is connected to the main control air outlet cavity, and the gas enters the air outlet pipe through the main control air outlet cavity and the control cavity to achieve high-fire combustion; Turn the valve stem clockwise and press it, the valve stem moves toward the transmission rod, the valve stem rotates clockwise, and the valve core is driven to rotate counterclockwise through the driving gear and the driven gear; (i) the main air outlet is connected to the upper left exhaust pipe, (ii) at the same time, the arc-shaped drive block acts on the button of the first microswitch, the first microswitch is connected, and the upper fire row is ignited; (iii) the transmission rod moves toward the valve stem, and the sealing assembly and the annular sealing seat are tightly fitted and sealed; (iv) the valve stem is continued to be rotated, the main air outlet is connected to the upper left exhaust pipe, and the auxiliary air outlet is connected to the top exhaust pipe, to achieve a large fire and the upper fire row is burning.

2. A dual-control oven valve according to claim 1, characterized in that: The accommodating cavity of the valve core is provided with a positioning groove. A radial positioning plate is provided in the shaft hole on the driven gear; The accommodating cavity is inserted into the shaft hole, and the radial positioning plate is engaged with the positioning groove.

3. The dual-control oven valve according to claim 1, characterized in that: An annular sealing seat is provided at the air outlet end of the main control air outlet cavity.

4. The dual-control oven valve according to claim 1, characterized in that: The first micro switch is a button type, and the second micro switch is a spring pressure plate type; The switch pressure plate comprises a circular base plate and an arc-shaped driving block arranged on the circular base plate; The arc-shaped driving block cooperates with the first micro switch and the second micro switch.

5. The dual-control oven valve according to claim 1, characterized in that: The valve stem is provided with a stop rod, which cooperates with the end of the valve stem channel to stop.

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