CN212227015U - Combustor and gas water heater - Google Patents

Abstract

The utility model relates to a water heater field particularly, relates to a combustor and gas heater. The burner comprises a burner body, a working needle, a fixing piece and a limiting piece; the mounting includes the installation department, and the locating part splices the work needle in the installation department for the relative installation department of restriction work needle is along the removal of the length direction of work needle. The gas water heater comprises the burner. The utility model provides a combustor and gas heater when dismantling the work needle, breaks away from the combustor body with the locating part, later, pulls out the length direction of work needle along the work needle with the work needle, alright realize the dismantlement of work needle, for twisting the screw, it is more simple and convenient to operate, labour saving and time saving.

Description

Combustor and gas water heater

Technical Field

The utility model relates to a water heater field particularly, relates to a combustor and gas heater.

Background

The gas water heater mainly comprises a shell, a valve body assembly, a burner, a heat exchanger, a safety device and the like, wherein the shell comprises a bottom shell and a front panel, the bottom shell is of a hollow cuboid structure with a front opening, and the front panel covers the front opening of the bottom shell; the combustor is arranged in the bottom shell, and a working needle (an ignition needle and an induction needle) is arranged on the combustor.

Present gas heater, for making complete machine thickness attenuate, reduce the volume, generally can utilize the screw fixation in the side of combustor with ignition needle and response needle, so, ignition needle and response needle will be sheltered from by the lateral wall of gas heater's drain pan, when the maintenance is dismantled, pull down the back with the front panel of shell, need stretch into in the drain pan with the slope of screwdriver from the front side opening department of drain pan, screw towards the drain pan lateral wall is twisted off, afterwards, just can pull down ignition needle and response needle, the whole slope operation that needs of screwdriver, the operation is very inconvenient, waste time and energy.

In summary, how to overcome the above-mentioned defects of the burner of the existing gas water heater is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combustor and gas heater to alleviate the technical problem that difficult, waste time and energy were dismantled to ignition needle and the response needle that the combustor on the gas heater among the prior art exists.

The utility model provides a combustor, including combustor body, work needle, mounting and locating part.

The fixing piece is fixedly connected with the burner body and comprises an installation part, and the limiting piece clamps the working needle to the installation part; the locating part with the installation department cooperation is used for restricting the work needle is relative the installation department is followed the length direction's of work needle removal.

Preferably, as an implementable mode, a gap is formed between the mounting portion and the burner body, the working needle has a limiting portion, a clamping groove is formed in a side wall of the working needle, and the limiting portion is inserted into the gap and clamped with the clamping groove.

Work as the locating part card is gone into when in the draw-in groove, the relative both sides of locating part respectively with the draw-in groove is back to the cell wall of combustor body with the installation department orientation one side butt of combustor body, spacing portion with the installation department deviates from one side butt of combustor body.

Preferably, as an implementable mode, the locating part has a clamping portion, the clamping portion has an opening for avoiding the working needle, and the clamping portion is clamped with the clamping groove.

Preferably, as an implementable mode, the slot is an arc-shaped groove, the clamping portion is two arc-shaped elastic structures with concave sides oppositely arranged, and when the limiting part is clamped into the slot, the working needle can limit the movement of the limiting part.

Preferably, as an implementation manner, when the limiting member is clamped into the clamping groove, a circle center corresponding to the clamping portion coincides with a circle center corresponding to an arc-shaped groove bottom of the clamping groove, and a radius corresponding to an inner arc surface of the clamping portion is equal to a radius corresponding to the arc-shaped groove bottom of the clamping groove;

and/or, the tip of locating part is provided with arc guide part relatively, the arc guide part with joint portion connects, just the arc guide part with the crooked opposite direction of joint portion.

Preferably, as an embodiment, the stopper further has a support portion having an opening for avoiding the working needle.

When the locating part card is gone into when in the draw-in groove, joint portion with the installation department orientation one side elasticity butt of combustor body, the supporting part with combustor body elasticity butt.

Preferably, as an implementation manner, the limiting member further has a drawing portion, and when the limiting member is clamped into the clamping groove, the drawing portion is located outside the gap;

and/or the clamping groove is an annular groove surrounding the side wall of the working needle.

Preferably, as an implementable mode, the fixing piece further comprises a connecting part, the connecting part is fixedly connected with the burner body, and the mounting part is connected with one end of the connecting part, which is far away from the burner.

Preferably, as an embodiment, the fixing member is screwed, welded or riveted with the burner body.

Correspondingly, the utility model also provides a gas heater, it includes above-mentioned combustor.

The utility model provides a combustor and gas heater's beneficial effect is:

add mounting and locating part in the combustor, with mounting in advance with combustor body fixed connection, the locating part can be connected work needle (ignition needle, response needle) and the installation department on the mounting through the mode of joint, so, locating part and installation department cooperation just can restrict the relative combustor body of work needle along the removal of the length direction of work needle, and the mounting hole that is used for installing the work needle on the combustor body then can restrict the work needle along its radial removal, so, the work needle just can and realize the fixed of relative position between the combustor body.

When dismantling the work needle, break away from the combustor body with the locating part, the work needle just loses the ascending restriction of its length direction, later, alright pull out the work needle along its length direction in the mounting hole on the combustor body, realize the dismantlement of work needle, for screwing the screw, it is more simple and convenient to operate, labour saving and time saving.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a burner according to an embodiment of the present invention;

fig. 2 is an exploded view of the burner of fig. 1 according to an embodiment of the present invention;

fig. 3 is a partial cross-sectional view of a burner provided in an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic perspective view of a part of the structure of the burner provided in fig. 1 according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a limiting member in the burner according to the embodiment of the present invention in fig. 5;

fig. 7 is a schematic perspective view of a working needle in a burner according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of another structure of a partial structure of a burner according to an embodiment of the present invention;

fig. 9 is a sectional view of a portion of the structure of the burner of fig. 8 according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a limiting member in the burner according to the embodiment of the present invention in fig. 8.

Icon:

100-a burner body;

200-a working needle; 210-an ignition needle; 220-a sensing needle; 230-a limiting part; 240-card slot;

300-a fixture; 310-a mounting portion; 320-a connecting part;

400-a stop; 410-a clamping part; 420-an arc-shaped guide part; 430-a support portion; 440-pull-out.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Referring to fig. 1 to 10, the present embodiment provides a burner including a burner body 100, a working needle 200, a fixing member 300, and a stopper 400. The fixing member 300 is fixedly connected to the burner body 100, the fixing member 300 includes a mounting portion 310, and the stopper 400 engages the operating pin 200 with the mounting portion 310 to limit movement of the operating pin 200 relative to the mounting portion 310 in the longitudinal direction of the operating pin 200.

The fixing member 300 and the limiting member 400 are additionally arranged in the burner, the fixing member 300 is fixedly connected with the burner body 100 in advance, the limiting member 400 can connect the working needle 200 (the ignition needle 210 and the induction needle 220) with the mounting portion 310 on the fixing member 300 in a clamping manner, so that the limiting member 400 is matched with the mounting portion 310 to limit the movement of the working needle 200 relative to the burner body 100 along the length direction of the working needle 200, and the mounting hole for mounting the working needle 200 on the burner body 100 can limit the movement of the working needle 200 along the radial direction thereof, so that the working needle 200 and the burner body 100 can be fixed in relative position.

When the working needle 200 is disassembled, the limiting piece 400 is separated from the burner body 100, the working needle 200 loses the limitation in the length direction, and then the working needle 200 can be pulled out from the mounting hole in the burner body 100 along the length direction, so that the disassembly of the working needle 200 is realized, and compared with the screwing of a screw, the operation is simpler and more convenient, and the time and the labor are saved.

It should be noted that the working needle 200 in this embodiment may represent both the ignition needle 210 and the sensing needle 220, that is, the manner in which either or both of the ignition needle 210 and the sensing needle 220 are connected to the burner by using the fixing member 300 and the limiting member 400 in this embodiment is within the protection scope of the present invention. The ignition needle 210 and the sensing needle 220 are preferably connected to the burner by using the fixing member 300 and the retaining member 400 in this embodiment.

Specifically, referring to fig. 1 to 5 and fig. 7 to 9, a gap is provided between the mounting portion 310 and the burner body 100, the limiting portion 230 is provided on the working pin 200, and the locking groove 240 is provided on the side wall of the working pin 200, when the working pin 200 is inserted into the mounting hole of the burner body 100 and inserted into place, at least a portion of the locking groove 240 on the working pin 200 is located in the gap, so that the limiting member 400 can be inserted into the gap and locked into the locking groove 240 of the working pin 200 located in the gap. After the limiting member 400 is inserted into the slot 240, opposite two sides of the limiting member 400 are respectively abutted against a slot wall of the slot 240 opposite to the burner body 100 and one side of the mounting portion 310 opposite to the burner body 100, that is, one side of the limiting member 400 opposite to the burner body 100 is abutted against a slot wall of the slot 240 opposite to the burner body 100, and one side of the limiting member 400 opposite to the burner body 100 is abutted against one side of the mounting portion 310 opposite to the burner body 100, so that the mounting portion 310 can limit the limiting member 400 to move in a direction away from the burner on the premise that the fixing member 300 with the mounting portion 310 is fixedly connected with the burner, and further, under the action of the limiting member 400, the mounting portion 310 can indirectly limit the working needle 200 provided with the slot 240 to move in a direction away from the burner; in addition, spacing portion 230 on the working needle 200 can deviate from one side butt of combustor body 100 with installation department 310, so, under the prerequisite of the mounting 300 that has installation department 310 and combustor fixed connection, installation department 310 can restrict the removal of working needle 200 towards the combustor, therefore, installation department 310 cooperates with locating piece 400, can restrict the relative combustor body 100 of working needle 200 along the length direction's of working needle 200 removal, when dismantling working needle 200, with locating piece 400 from draw-in groove 240 in can, it is very convenient.

Specifically, the limiting member 400 has a clamping portion 410, and an opening for avoiding the working needle 200 is provided on the clamping portion 410, so that the working needle 200 can enter the opening from the end of the opening on the clamping portion 410, and the clamping between the clamping portion 410 and the clamping groove 240 is realized.

As an implementation manner, referring to fig. 2 to 7, the clamping groove 240 is configured as an arc-shaped groove, the clamping portion 410 is configured with two arc-shaped elastic structures, and the concave sides of the two arc-shaped elastic structures are oppositely configured, so that, in the process of clamping the clamping portion 410 into the clamping groove 240, the two arc-shaped elastic structures of the clamping portion 410 can elastically deform towards the direction away from each other, so that the portion of the working needle 200, on which the clamping groove 240 is configured, can enter the space enclosed by the two arc-shaped elastic structures, thus, under the limiting effect of the working needle 200, the limiting member 400 is not easily separated from the clamping groove 240, and the clamping fit is more reliable.

When joint portion 410 card goes into in the draw-in groove 240, the centre of a circle that curved joint portion 410 corresponds coincides with the centre of a circle that the arc tank bottom of draw-in groove 240 corresponds, and the radius that the inboard cambered surface of joint portion 410 corresponds equals with the radius that the arc tank bottom of draw-in groove 240 corresponds, so, the tank bottom of draw-in groove 240 just can laminate with joint portion 410 better, so, locating part 400 just is difficult for taking place to rock, and spacing effect is better, and the reliability is higher.

Referring to fig. 6 and 7, the end of the limiting member 400 may be oppositely provided with an arc-shaped guide portion 420, the arc-shaped guide portion 420 is connected to the clamping portion 410, and the bending direction of the arc-shaped guide portion 420 is set to be opposite to the bending direction of the clamping portion 410, so that when the limiting member 400 is clamped into the clamping groove 240, the arc-shaped convex surface of the arc-shaped guide portion 420 of the limiting member 400 contacts with the groove bottom of the clamping groove 240 first, which is convenient for reducing the friction force generated when the limiting member 400 is clamped into the clamping groove 240, and not only is the dismounting convenient, but also the service life can be prolonged.

Specifically, the snap portion 410 may be smoothly transitioned into the arcuate guide portion 420 to further reduce friction.

As another possible embodiment, referring to fig. 7 to 10, in a specific structure of the stopper 400, a supporting portion 430 may be further provided, and an opening capable of avoiding the working needle 200 is provided on the supporting portion 430; when the limiting member 400 is clamped into the clamping groove 240, the clamping portion 410 of the limiting member 400 can be elastically abutted against one side of the mounting portion 310 facing the burner body 100, the supporting portion 430 of the limiting member 400 can be elastically abutted against the burner body 100, and thus, under the extrusion action of the burner body 100 and the mounting portion 310, the limiting member 400 can be subjected to the friction force perpendicular to the length direction of the working needle 200, so that the clamping portion 410 of the limiting member 400 is not easily separated from the clamping groove 240, and the clamping fit is reliable.

Referring to fig. 1, 5 and 8, a drawing portion 440 is further disposed in the specific structure of the limiting member 400, and when the limiting member 400 is clamped into the clamping groove 240, the drawing portion 440 extends out from a gap between the mounting portion 310 and the burner body 100, so that when the limiting member 400 needs to be drawn out from the clamping groove 240, the drawing portion 440 exposed outside the gap can be directly grabbed without extending into the gap to grab the limiting member 400, which is very convenient and easy to operate.

Referring to fig. 7, the locking groove 240 may be an annular groove surrounding the sidewall of the working needle 200, so that when the working needle 200 is inserted into the first mounting hole and the second mounting hole, the working needle rotates freely around its axis, the limiting member 400 can be locked into the locking groove 240 of the working needle 200, and the relative position of the limiting member 400 and the working needle 200 in the circumferential direction does not need to be strictly controlled, which is very convenient.

Specifically, the fixing member 300 has a connecting portion 320 fixedly connected to the burner body 100, and the mounting portion 310 is connected to an end of the connecting portion 320 facing away from the burner, so that the mounting portion 310 can be fixed relative to the burner body 100.

The connection portion 320 is formed in an annular structure with one side opened, and the stopper 400 can be inserted into the gap between the mounting portion 310 and the burner from the opening side of the connection portion 320, so that the supporting effect of the connection portion 320 on the mounting portion 310 can be improved.

In addition, the fixing member 300 and the burner body 100 may be fixedly connected in any one of the following manners: threaded connection, welding and riveting. Preferably, a screw connection is used, so that when it is necessary to detach the fixing member 300, a screw can be unscrewed, and then the fixing member 300 can be detached from the burner and replaced with a new fixing member 300.

The embodiment also provides a gas water heater, which comprises the burner.

Therefore, when the working needle 200 is disassembled, the stopper 400 is separated from the burner body 100, and then the working needle 200 is pulled out from the first mounting hole on the burner body 100 and the second mounting hole on the fixing member 300 along the length direction thereof, so that the disassembly of the working needle 200 can be realized, and compared with screwing, the operation is simpler and more convenient, and the time and the labor are saved.

To sum up, the utility model discloses a combustor and gas heater, it has overcome a great deal of technical defect of the combustor on traditional gas heater. According to the burner and the gas water heater provided by the embodiment, when the working needle 200 (the ignition needle 210 and/or the induction needle 220) is detached, the limiting piece 400 is separated from the burner body 100, and then the working needle 200 is pulled out from the first mounting hole in the burner body 100 and the second mounting hole in the fixing piece 300 along the length direction of the working needle, so that the working needle 200 can be detached, and compared with screwing, the burner and the gas water heater are simpler and more convenient to operate, and time and labor are saved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A burner is characterized by comprising a burner body (100), a working needle (200), a fixing piece (300) and a limiting piece (400);

fixing member (300) with combustor body (100) fixed connection, fixing member (300) are including installation department (310), locating part (400) will work needle (200) joint in installation department (310) are used for the restriction work needle (200) are relative installation department (310) are followed the length direction's of work needle (200) removal.

2. The burner according to claim 1, wherein a gap is provided between the mounting portion (310) and the burner body (100), the working needle (200) has a limiting portion (230), a clamping groove (240) is formed in a side wall of the working needle (200), and the limiting member (400) is inserted into the gap and clamped with the clamping groove (240);

when locating part (400) card is gone into in draw-in groove (240), the relative both sides of locating part (400), respectively with draw-in groove (240) are to the cell wall of combustor body (100) with installation department (310) orientation one side butt of combustor body (100), spacing portion (230) with installation department (310) deviate from one side butt of combustor body (100).

3. The burner according to claim 2, wherein the limiting member (400) has a clamping portion (410), the clamping portion (410) has an opening for avoiding the working needle (200), and the clamping portion (410) is clamped with the clamping groove (240).

4. The burner according to claim 3, wherein the locking groove (240) is an arc-shaped groove, the locking portion (410) is two arc-shaped elastic structures with opposite concave sides, and when the limiting member (400) is locked in the locking groove (240), the working needle (200) can limit the movement of the limiting member (400).

5. The burner according to claim 4, wherein when the limiting member (400) is clamped into the clamping groove (240), the corresponding circle center of the clamping portion (410) coincides with the corresponding circle center of the arc-shaped groove bottom of the clamping groove (240), and the corresponding radius of the inner arc surface of the clamping portion (410) is equal to the corresponding radius of the arc-shaped groove bottom of the clamping groove (240);

and/or, the tip of locating part (400) is provided with arc guide part (420) relatively, arc guide part (420) with joint portion (410) are connected, just arc guide part (420) with the crooked opposite direction of joint portion (410).

6. A burner according to claim 3, wherein the retainer (400) further has a support portion (430), the support portion (430) having an opening for avoiding the working needle (200);

when the locating part (400) is clamped into the clamping groove (240), the clamping part (410) and the installation part (310) face towards one side of the combustor body (100) in an elastic abutting mode, and the supporting part (430) and the combustor body (100) in an elastic abutting mode.

7. Burner according to any of claims 2 to 6, wherein the retainer further has a drawn part (440), the drawn part (440) being located outside the gap when the retainer (400) is snapped into the snap groove (240);

and/or the clamping groove (240) is an annular groove surrounding the side wall of the working needle (200).

8. A burner according to any one of claims 2 to 6, wherein the fixture (300) further comprises a connecting portion (320), the connecting portion (320) being fixedly connected to the burner body (100), the mounting portion (310) being connected to an end of the connecting portion (320) facing away from the burner.

9. Burner according to any of claims 2 to 6, wherein said fixing element (300) is screwed, welded or riveted to said burner body (100).

10. A gas water heater comprising a burner as claimed in any one of claims 1 to 9.

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