CN207865384U - An anti-dry burning single-injection tubular stove burner - Google Patents

Abstract

A single injection pipe type stove burner capable of preventing dry combustion comprises a stove head, a flow distribution seat, an inner fire cover, an outer annular fire cover, an ignition needle, an induction needle and a telescopic temperature sensor, wherein the stove head comprises an annular gas cavity with an upper opening, an injection pipe, a supporting seat and a device seat connected with the supporting seat, and the flow distribution seat comprises an inner annular gas groove, an outer annular gas groove, an annular gas inlet interface, a flow distribution cavity and an axial secondary air channel; the upper opening end of the furnace end is inserted into the circular ring-shaped interface, and the lower end of the circular ring-shaped interface is tightly pressed on a panel of the stove or a bottom plate of the liquid receiving disc; the inner fire cover is buckled with the inner circular gas groove, and the outer circular fire cover is buckled with the outer circular gas groove; the head of the telescopic temperature sensor is positioned in the flow guide ring, the upper end of the head extends out of the flow guide ring, the body of the telescopic temperature sensor penetrates through the central holes of the inner fire cover and the inner circular gas groove, and the lower end of the telescopic temperature sensor is positioned in the central hole of the circular gas cavity. The burner has compact structure, even mixing of gas and air, high energy efficiency ratio and low cost.

Description

An anti-dry burning single-injection tubular stove burner

technical field

The invention relates to a cooker burner, in particular to a cooker burner which prevents dry burning.

Background technique

At present, there is an anti-dry burning single-injection tubular stove burner, which includes a burner, a diverter seat, an inner fire cover, an outer annular fire cover, an ignition needle, an induction needle and a telescopic temperature sensor, the diverter seat and the furnace. The inner fire cover and the outer annular fire cover are matched with the diverter seat; the burner head includes an inner annular gas cavity, an outer annular gas groove, an inner ejector tube and an outer ejector tube. Existing problems are: complex structure, high cost and large volume.

Utility model content

The object of the present invention is to provide a dry-burning-proof single-injection tube burner, which has the characteristics of compact structure, high cost and high energy efficiency.

The present invention is achieved in the following way: a burner for anti-dry-burning single-injection tubular cooker, including a burner head, a diverter seat, an inner fire cover, an outer annular fire cover, an ignition needle, an induction needle and a telescopic temperature sensor, and a diverter seat Cooperate with the burner head, the inner fire cover and the outer annular fire cover cooperate with the diverter seat; the special feature is that the burner head includes a circular gas cavity with an upper opening, an ejector tube, a support seat and a The device seat, the support seat is provided with a fixing seat; the device seat is provided with an ignition needle installation hole and an induction needle installation hole;

The diverter seat includes an inner circular gas groove located in the center, an outer circular gas groove, a circular air inlet port, a split cavity and an axial secondary air channel, and the circular gas inlet port communicates with the split cavity. The radial direction of the distribution chamber communicates with the outer annular gas groove, and the top of the distribution chamber communicates with the inner annular gas groove;

The inner fire cover is in the shape of a ring, and the outer ring wall plate is provided with an inner combustion hole. The top of the inner fire cover is provided with a circular deflector, which is connected to the top plate of the inner fire cover through axial ribs. constitute a diversion circle;

The upper opening end of the burner passes through the panel of the cooker or the bottom plate of the liquid receiving pan and is inserted into the annular interface, and the lower end of the annular interface presses the panel of the cooker or the bottom plate of the liquid receiving pan; The ring-shaped gas tank is buckled, and the outer ring-shaped fire cover is buckled with the outer ring-shaped gas tank; the head of the telescopic temperature sensor is located in the guide ring, and the upper end of the head protrudes from the guide ring, and the body passes through it. The central hole and the lower end of the inner fire cover and the inner annular gas groove are located in the central hole of the annular gas chamber, and are connected with the seat plate provided with the bottom of the annular gas chamber.

The above-mentioned anti-dry burning single-injection tube burner is special in that: the lower chamber of the annular gas chamber is in the shape of a truncated cone, and the inner surface of the outer ring wall plate of the upper chamber is The outer included angle formed by the horizontal plane in the cavity is less than 90 degrees, and the inner included angle between the inner surface of the inner ring wall plate and the horizontal plane is less than 90 degrees.

The special feature of the anti-dry burning single-injection tube burner is that: the inner angle is equal to the outer angle, and the upper cavity is in the shape of a positive trapezoid.

The special feature of the anti-dry burning single-injection tubular cooker burner is that it also includes an arc-shaped pre-mixing chamber, and the volume of the arc-shaped pre-mixing chamber gradually decreases from bottom to top, and the arc-shaped pre-mixing chamber gradually decreases. The annular gas chamber at the upper opening of the premixing chamber is connected and connected, and the injection pipe is connected and connected with the lower end of the arc-shaped premixing chamber.

The above-mentioned anti-dry burning single-injection tube burner is special in that: the outer annular fire cover is provided with a fire plate, the fire plate is provided with a discharge motor, and the discharge end of the ignition needle Opposite to discharge motor.

The above-mentioned anti-dry burning single-injection tube burner is special in that: the diverter seat includes a seat body and an upper cover with an upper opening,

The seat body includes an accommodating cavity with an upper opening, a truncated conical deflector surrounding the accommodating cavity, an external air inlet connected to the accommodating cavity arranged in the center of the bottom plate of the accommodating cavity, and several air inlets surrounding the outlet end of the external air inlet. Axial secondary air holes,

The upper cover includes an inner air intake port located on the lower surface of the cover plate of the upper cover and communicated with the upper cover, an inner circular gas groove provided on the upper surface of the cover plate and an axial The secondary air channel, the cover plate in the inner circular gas groove is provided with an axial gas channel;

The upper cover is embedded in the seat body, the lower end of the axial secondary air channel is docked with the axial secondary air hole, and the inner air intake interface and the outer air intake interface constitute the circular air intake interface; the circumferential wall plate of the upper cover and the seat body The annular wall plate of the accommodating chamber constitutes the outer annular gas groove.

The above-mentioned anti-dry burning single-injection tube burner is special in that: the frustum-shaped deflector is provided with an ignition needle through hole and an induction needle through hole;

The ignition pin passing hole and the sensing pin passing hole are respectively corresponding to the firing pin mounting hole and the sensing pin mounting hole on the device seat.

The above-mentioned anti-dry burning single-injection tube burner is special in that: the upper surface of the device seat and the upper surface of the support seat are on the same plane.

The special feature of the anti-dry burning single-injection tube burner is that: the axial secondary air channel is arc-shaped, and the air outlet end of the axial secondary air channel is flared.

The invention discloses a dry-burning prevention single-injection tube type cooker burner, the burner head has a compact structure, gas and air are evenly mixed, the energy-efficiency ratio is high, and the cost is low.

Description of drawings

Fig. 1 is the front view of the present invention.

Fig. 2 is the A-A view of Fig. 1 .

Fig. 3 is a BB view of Fig. 2 .

Fig. 4 is a perspective sectional view of the present invention.

Fig. 5 is a top view of the diverter seat of the present invention.

Fig. 6 is a bottom view of the diverter seat of the present invention.

Fig. 7 is one of the three-dimensional exploded views of the present invention.

Fig. 8 is the second perspective exploded view of the present invention.

Fig. 9 is the third perspective exploded view of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Fig. 1, Fig. 2 and Fig. 3, an anti-dry burning single-injection tubular cooker burner includes a burner head 1, a diverter seat 2, an inner fire cover 3, an outer annular fire cover 4, an ignition needle 5, The induction needle 6 and the telescopic temperature sensor 7, the diverter seat 2 cooperates with the burner head 1, and the inner fire cover 3 and the outer annular fire cover 4 cooperate with the diverter seat 2.

The burner head 1 includes a circular gas chamber 11 with an upper opening, an injector pipe 12 and a device seat 13 connected to the circular gas chamber, and a support seat 14 is provided on the outer peripheral surface of the circular gas chamber. The support seat 14 is provided with a fixing seat; the device seat is provided with an ignition needle installation hole and an induction needle installation hole; The device seat 14 connected by the seat, the support seat 13 is provided with a fixed seat; the device seat 14 is provided with an ignition pin installation hole and an induction needle installation hole;

As shown in Fig. 5 and Fig. 6, the manifold seat 2 includes an inner circular gas groove 21 located in the center, an outer circular gas groove 22, a circular air inlet port 23, a split cavity 24 and an axial secondary The air channel 25, the annular air inlet port 23 communicates with the distribution chamber 24, the distribution chamber 24 communicates with the outer annular gas groove 22 in the radial direction, and the top of the distribution chamber 24 communicates with the inner annular gas groove 21;

The inner fire cover 3 is circular, and the outer ring wall plate is provided with an inner combustion hole, and the top of the inner fire cover 3 is provided with a circular deflector 31, and the circular deflector 31 connects with the internal fire through the axial rib The top plate of the cover 3 is connected to form a guide ring;

The upper opening end of the burner 1 passes through the panel of the cooker or the bottom plate of the liquid receiving tray and is inserted into the annular interface 23, and the lower end of the annular interface 23 presses the panel of the cooker or the bottom plate of the liquid receiving tray; The cover 3 is fastened with the inner annular gas groove 21, and the outer annular fire cover 4 is fastened with the outer annular gas groove 22; the head 71 of the telescopic temperature sensor 7 is located in the guide ring and the upper end of the head 71 Stretch out deflector ring, body 71 passes through inner fire cover 3 and the center hole of inner annular gas tank 21, the lower end is positioned at the center hole 113 of annular gas chamber 11, and is provided with annular gas chamber 11 Seat plate connection at the bottom.

The lower chamber portion 111 of the annular gas chamber 11 is in the shape of a truncated cone, and the inner surface of the outer ring wall plate of the upper chamber portion 112 forms an outer angle β of the horizontal plane in the upper chamber portion 112 less than 90. The inner ring wall plate The inner angle α between the inner surface and the horizontal plane is less than 90 degrees. With such a structure, the gas and air mixture enters the lower chamber 111 of the annular gas chamber 11 for compression, and then enters the upper chamber 112 to change direction for further compression, and then opens from the upper chamber 112, that is, the annular gas chamber 11 flow out. Fully mix the gas and air mixture;

The inner angle α and the outer angle β are equal, and the upper cavity is in the shape of a positive trapezoid, that is, the section of the inner cavity of the upper cavity is in the shape of a positive trapezoid.

It also includes an arc-shaped premix chamber 8 whose volume gradually decreases from bottom to top, and the circular gas chamber 11 on the upper opening of the arc-shaped premix chamber 8 is connected, so The injection pipe 12 is connected to the lower end of the arc-shaped premixing chamber 8 .

The outer annular fire cover 4 is provided with a fire plate 41 , and the fire plate 41 is provided with a discharge motor 411 , and the discharge end of the ignition needle 5 is opposite to the discharge motor 411 .

The diverter seat 2 includes a seat body 9 and an upper cover 10 with an upper opening,

The seat body 9 includes an upper open accommodation cavity 91, a truncated conical deflector 92 surrounding the accommodation cavity 91, an external air inlet 93 communicated with the accommodation cavity arranged at the center of the bottom plate of the accommodation cavity, surrounding the external air intake Several axial secondary air holes 94 at the air outlet of the interface, and the axial secondary air holes 93 are arc-shaped;

The upper cover 10 includes an inner air inlet 101 which is located on the lower surface of the cover plate of the upper cover 10 and communicates with the upper cover 10, an inner circular gas groove 102 arranged on the upper surface of the cover plate 101 and an inner gas groove 102 located on the cover plate 101. The axial secondary air channel 103 on the lower surface, and the axial gas channel 104 is arranged on the cover plate 101 in the inner annular gas groove 102;

The upper cover 10 is embedded in the accommodation cavity 91 of the seat body 9, the lower end of the axial secondary air passage 103 is connected to the axial secondary air hole 94, and the inner air inlet 101 and the outer air inlet 93 form the circular ring The gas inlet port 23 ; the circumferential wall plate of the upper cover 10 and the annular wall plate of the accommodating chamber 91 of the seat body 9 constitute the outer circular gas groove 22 . The cover plate of the upper cover 10 and the bottom plate of the accommodating cavity 91 between two adjacent axial secondary air passages constitute a radial gas passage and communicate with the outer circular gas groove.

The split chamber 24 on the radial inner side of the axial secondary air passage 25 constitutes an air intake chamber, and the gas and air mixture enters the air intake chamber through the annular air inlet port 23, and first enters the inner annular air passage through the axial gas passage 104. The gas groove 21; the second is to enter the outer circular gas groove 22 through the radial gas channel.

The axial secondary air channel 25 is arc-shaped, and the air outlet end of the axial secondary air channel is flared.

The truncated conical deflector 92 is provided with an ignition needle through hole 921 and an induction needle through hole 922;

The ignition pin through hole 921 and the induction pin through hole 922 correspond to the ignition pin installation hole and the induction pin installation hole on the device seat 14 respectively.

The upper surface of the device seat 14 and the upper surface of the support seat 13 are on the same plane.

What has been described above are only preferred embodiments of the present invention. It should be noted that those skilled in the art can make some improvements and modifications without departing from the principle of the present invention, which are also considered as the protection scope of the present invention.

Claims (9)

1. An anti-dry single ejection tube burner, including a burner, a diverter seat, an inner fire cover, an outer annular fire cover, an ignition needle, an induction needle and a telescopic temperature sensor, and the diverter seat cooperates with the burner, The inner fire cover and the outer annular fire cover cooperate with the diverter seat; the feature is that: the burner head includes a circular gas cavity with an upper opening, an injection pipe, a support seat and a device seat connected to the support seat, and the support seat is provided with There is a fixed seat; the installation seat is provided with an ignition pin installation hole and an induction needle installation hole; The diverter seat includes an inner circular gas groove located in the center, an outer circular gas groove, a circular air inlet port, a split cavity and an axial secondary air channel, and the circular gas inlet port communicates with the split cavity. The radial direction of the distribution chamber communicates with the outer annular gas groove, and the top of the distribution chamber communicates with the inner annular gas groove; The inner fire cover is in the shape of a ring, and the outer ring wall plate is provided with an inner combustion hole. The top of the inner fire cover is provided with a circular deflector, which is connected to the top plate of the inner fire cover through axial ribs. constitute a diversion circle; The upper opening end of the burner passes through the panel of the cooker or the bottom plate of the liquid receiving pan and is inserted into the annular interface, and the lower end of the annular interface presses the panel of the cooker or the bottom plate of the liquid receiving pan; The ring-shaped gas tank is buckled, and the outer ring-shaped fire cover is buckled with the outer ring-shaped gas tank; the head of the telescopic temperature sensor is located in the guide ring, and the upper end of the head protrudes from the guide ring, and the body passes through it. The central hole and the lower end of the inner fire cover and the inner annular gas groove are located in the central hole of the annular gas chamber, and are connected with the seat plate provided with the bottom of the annular gas chamber. 2. The anti-dry burning single-injection tubular cooker burner according to claim 1, characterized in that: the lower chamber of the annular gas chamber is in the shape of a truncated cone, and the outer ring wall plate of the upper chamber is The outer included angle formed by the horizontal plane in the inner surface of the cavity is less than 90 degrees, and the inner included angle between the inner surface of the inner ring wall plate and the horizontal plane is less than 90 degrees. 3. The anti-dry burning single-injection tubular cooker burner according to claim 2, characterized in that: the inner angle and the outer angle are equal, and the upper cavity is in the shape of a positive trapezoid. 4. The anti-dry burning single-injection tubular cooker burner according to claim 1, characterized in that it also includes an arc-shaped pre-mixing chamber, and the volume of the arc-shaped pre-mixing chamber gradually decreases from bottom to top , the annular gas chamber connected to the upper opening of the arc-shaped premix chamber is connected, and the injection pipe is connected to the lower end of the arc-shaped premix chamber. 5. A kind of anti-dry burning single-injection tubular cooker burner according to claim 1, characterized in that: said outer annular fire cover is provided with a fire plate, a discharge motor is provided on the fire plate, and said ignition The discharge end of the needle is opposite to the discharge motor. 6. An anti-dry burning single-injection tubular cooker burner according to claim 1, 2, 3, 4 or 5, characterized in that: the diverter seat includes a seat body and an upper cover with an upper opening, The seat body includes an accommodating cavity with an upper opening, a truncated conical deflector surrounding the accommodating cavity, an external air inlet connected to the accommodating cavity arranged in the center of the bottom plate of the accommodating cavity, and several air inlets surrounding the outlet end of the external air inlet. Axial secondary air holes, The upper cover includes an inner air intake port located on the lower surface of the cover plate of the upper cover and communicated with the upper cover, an inner circular gas groove provided on the upper surface of the cover plate and an axial The secondary air channel, the cover plate in the inner circular gas groove is provided with an axial gas channel; The upper cover is embedded in the seat body, the lower end of the axial secondary air channel is docked with the axial secondary air hole, and the inner air intake interface and the outer air intake interface constitute the circular air intake interface; the circumferential wall plate of the upper cover and the seat body The annular wall plate of the accommodating chamber constitutes the outer annular gas groove. 7. The anti-dry burning single-injection tubular cooker burner according to claim 6, characterized in that: the frustum-shaped deflector is provided with an ignition needle through hole and an induction needle through hole; The ignition pin passing hole and the sensing pin passing hole are respectively corresponding to the firing pin mounting hole and the sensing pin mounting hole on the device seat. 8. The anti-dry burning single-injection tubular cooker burner according to claim 6, characterized in that: the upper surface of the device seat and the upper surface of the support seat are on the same plane. 9. The anti-dry burning single-injection tubular cooker burner according to claim 1, 2, 3, 4 or 5, characterized in that: the axial secondary air passage is arc-shaped, and the axial The outlet end of the secondary air channel is flared.