Furnace end with ignition needle and thermocouple convenient to replace

Abstract

The utility model relates to a furnace end, in particular to a furnace end convenient for replacing an ignition needle and a thermocouple, which comprises a furnace end main body and a connecting disc arranged on the furnace end main body, a first ignition needle seat and a first thermocouple seat are arranged on the connecting disc, and a second ignition needle seat and a second thermocouple seat are further arranged on the connecting disc. According to the utility model, two groups of ignition needle seats and thermocouple seats are arranged on the connecting disc, so that the ignition needle and the thermocouple can be converted, the cost is low, and the problem of replacing the ignition needle and the thermocouple is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a furnace head, in particular to a furnace head convenient to replace ignition needle and thermocouple. BACKGROUND

[0002] The furnace head is used, and ignition needle seat and thermocouple seat are prone to rust due to high-temperature and humid environment, which leads to the difficulty in replacing ignition needle and thermocouple.

[0003] The patent with the announcement number CN205065820U discloses a kind of improved ignition needle and thermocouple installation mode's cooking utensil combustor, including copper sleeve, inner copper sleeve with internal thread and a bolt, inner copper sleeve is fixed in fastening hole, thermocouple is inserted and passes through copper sleeve and is fixed together, copper sleeve is inserted into thermocouple installation hole, bolt is screwed with the internal thread of inner copper sleeve, and the end of bolt is in abutment with copper sleeve.

[0004] The above-mentioned technology sets copper sleeve and inner copper sleeve, utilizes the characteristics that copper is not easy to oxidize, copper and iron do not chemically react, to prevent the problem that ignition needle and thermocouple are not easy to replace due to rust.

[0005] But from another angle, the above-mentioned technology sets copper sleeve and inner copper sleeve undoubtedly increases the overall cost.

[0006] Therefore, there is an urgent need for a furnace head that can solve the problem of replacing ignition needle and thermocouple and reduce cost INVENTION CONTENTS

[0007] To solve the above-mentioned technical problem, the purpose of the utility model is to provide a furnace head convenient to replace ignition needle and thermocouple.

[0008] The technical scheme adopted by the utility model to solve the problem is: a furnace head convenient to replace ignition needle and thermocouple, including furnace head main body and connecting disc installed on the furnace head main body, first ignition needle seat and first thermocouple seat are arranged on the connecting disc, second ignition needle seat and second thermocouple seat are also arranged on the connecting disc.

[0009] As a further improvement of the above-mentioned technical scheme, the connecting disc is rotationally connected to the furnace head main body.

[0010] As a further improvement of the above-mentioned technical scheme, the first ignition needle seat is arranged at the upper right corner of the connecting disc, the second ignition needle seat is arranged at the lower left corner of the connecting disc, the first ignition needle seat and the second ignition needle seat are centrally symmetric; the first thermocouple seat is arranged at the upper left corner of the connecting disc, the second thermocouple seat is arranged at the lower right corner of the connecting disc, and the first thermocouple seat and the second thermocouple seat are centrally symmetric.

[0011] As a further improvement of the above technical solution, the furnace head body comprises an outer sleeve, an upper end of the outer sleeve is provided with a first necked portion, an outer periphery of the first necked portion is provided with a first step, the connecting disc is provided with a second necked portion, an outer periphery of the second necked portion is provided with a second step; the connecting disc is sleeved on the upper end of the outer sleeve, the first necked portion is tightly attached to the inner wall of the second necked portion, the second step is overlapped above the first step, and the connecting disc can rotate around the central axis of the outer sleeve.

[0012] The utility model discloses the beneficial effect is: the utility model discloses two groups of ignition needle seat and thermocouple seat are set up on the connecting disc, make ignition needle and thermocouple can group conversion, low cost solves the ignition needle and thermocouple replacement problem at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further explained and described in the following combining with the description and specific embodiment.

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the whole structure schematic diagram of the utility model connecting disc rotation 180 degrees after;

[0016] Figure 3 It is the structure exploded view of the utility model;

[0017] Figure 4 It is the structure section view of the utility model;

[0018] Figure 5 It is Figure 4 The structure enlarged view of A place in middle

[0019] In the drawing: 1-furnace head body, 11-first necked portion, 12-first step, 13-outer sleeve, 2-connecting disc, 21-first ignition needle seat, 22-first thermocouple seat, 23-second ignition needle seat, 24-second thermocouple seat, 25-second necked portion, 26-second step. DETAILED DESCRIPTION

[0020] This part will describe the specific embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the drawing, and the role of the drawing is to supplement the description of the description part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it can not be understood as the limitation of the protection scope of the utility model.

[0021] In the description of the utility model, it needs to be understood that, when the direction is described, for example, the direction or position relation of the indication such as upper, lower, front, back, left, right is the direction or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a specific direction, a specific direction structure and operation, therefore it cannot be understood as the limitation of the utility model.

[0022] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood broadly, and the skilled person in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0023] Refer to Figures 1 to 5 A furnace end convenient to replace ignition needle and thermocouple, including furnace end main body 1 and the connecting disc 2 installed on the furnace end main body 1, first ignition needle seat 21 for installing ignition needle and first thermocouple seat 22 for installing thermocouple are provided on the connecting disc 2, second ignition needle seat 23 and second thermocouple seat 24 are also provided on the connecting disc 2. Through the above design, on the one hand, when first ignition needle seat 21 and first thermocouple seat 22 cannot be used, the replacement of ignition needle and thermocouple can be completed by replacing second ignition needle seat 23 and second thermocouple seat 24, and the replacement problem of ignition needle and thermocouple is solved;On the other hand, ignition needle and thermocouple can also be installed on two groups of ignition needle seat and thermocouple seat simultaneously, and the ignition success rate is improved.

[0024] In the preferred embodiment, the connecting disc 2 is rotatably connected to the furnace end main body 1, and the positions between the two groups of ignition needle seat and thermocouple seat can be converted by rotating the connecting disc 2, further facilitating the replacement of ignition needle and thermocouple.

[0025] In the preferred embodiment, the first ignition needle seat 21 is arranged at the upper right corner of the connecting disc 2, the second ignition needle seat 23 is arranged at the lower left corner of the connecting disc 2, and the first ignition needle seat 21 and the second ignition needle seat 23 are centrally symmetric;The first thermocouple seat 22 is arranged at the upper left corner of the connecting disc 2, the second thermocouple seat 24 is arranged at the lower right corner of the connecting disc 2, and the first thermocouple seat 22 and the second thermocouple seat 24 are centrally symmetric;When the first ignition needle seat 21 and the first thermocouple seat 22 cannot be used, the second ignition needle seat 23 and the second thermocouple seat 24 are rotated to the corresponding positions by rotating the connecting disc 2 by 180 degrees, and then the conversion between the two groups of ignition needle seat and thermocouple seat is completed, further facilitating the replacement of ignition needle and thermocouple.

[0026] In the preferred embodiment, the furnace head body 1 comprises an outer sleeve 13 in the shape of a circular ring, an upper end of the outer sleeve 13 is provided with a first necked portion 11, an outer periphery of the first necked portion 11 is provided with a first step 12, the connecting disc 2 is provided with a second necked portion 25, an outer periphery of the second necked portion 25 is provided with a second step 26; a diameter of the first necked portion 11 is slightly smaller than a diameter of the second necked portion 25, the connecting disc 2 is sleeved on the upper end of the outer sleeve 13, the first necked portion 11 is tightly attached to an inner wall of the second necked portion 25, the second step 26 is overlapped above the first step 12, and the connecting disc 2 can rotate around a central axis in a vertical direction of the outer sleeve 13.

[0027] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation, direct or indirect application in other related technical fields under the utility model concept of the present application, and the contents of the present application specification and drawings are included in the patent protection range of the present application.

Claims

1. A burner head for easy replacement of ignition needle and thermocouple, comprising a burner head body (1) and a connecting plate (2) mounted on the burner head body (1), wherein a first ignition needle holder (21) and a first thermocouple holder (22) are provided on the connecting plate (2), characterized in that: The connecting plate (2) is also provided with a second ignition needle holder (23) and a second thermocouple holder (24).

2. The furnace head for easy replacement of the ignition needle and thermocouple as described in claim 1, characterized in that: The connecting plate (2) is rotatably connected to the furnace head body (1).

3. A furnace head for easy replacement of the ignition needle and thermocouple as described in claim 2, characterized in that: The first ignition needle seat (21) is located at the upper right corner of the connecting plate (2), and the second ignition needle seat (23) is located at the lower left corner of the connecting plate (2). The first ignition needle seat (21) and the second ignition needle seat (23) are symmetrical about the center. The first thermocouple holder (22) is located at the upper left corner of the connecting plate (2), and the second thermocouple holder (24) is located at the lower right corner of the connecting plate (2). The first thermocouple holder (22) and the second thermocouple holder (24) are centrally symmetrical.

4. A furnace head for easy replacement of the ignition needle and thermocouple as described in claim 2, characterized in that: The burner body (1) includes an outer sleeve (13), the upper end of the outer sleeve (13) is provided with a first constriction part (11), the outer periphery of the first constriction part (11) is provided with a first step (12), the connecting plate (2) is provided with a second constriction part (25), the outer periphery of the second constriction part (25) is provided with a second step (26); The connecting disc (2) is sleeved on the upper end of the outer sleeve (13), the first constricted part (11) is close to the inner wall of the second constricted part (25), the second step (26) overlaps the upper part of the first step (12), and the connecting disc (2) can rotate around the central axis of the outer sleeve (13).

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